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WO2016101861A1 - 头戴式显示装置 - Google Patents

头戴式显示装置 Download PDF

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Publication number
WO2016101861A1
WO2016101861A1 PCT/CN2015/098157 CN2015098157W WO2016101861A1 WO 2016101861 A1 WO2016101861 A1 WO 2016101861A1 CN 2015098157 W CN2015098157 W CN 2015098157W WO 2016101861 A1 WO2016101861 A1 WO 2016101861A1
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WO
WIPO (PCT)
Prior art keywords
display device
mounted display
image
lens
reversible
Prior art date
Application number
PCT/CN2015/098157
Other languages
English (en)
French (fr)
Inventor
宋海涛
黄琴华
Original Assignee
成都理想境界科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201420847516.5U external-priority patent/CN204595327U/zh
Priority claimed from CN201420849726.8U external-priority patent/CN204595329U/zh
Priority claimed from CN201410831356.XA external-priority patent/CN104898276A/zh
Priority claimed from CN201420847586.0U external-priority patent/CN204595328U/zh
Application filed by 成都理想境界科技有限公司 filed Critical 成都理想境界科技有限公司
Publication of WO2016101861A1 publication Critical patent/WO2016101861A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays

Definitions

  • the present invention relates to the field of optical and image display technologies, and in particular to a head mounted display device.
  • Augmented Reality is a technology that uses virtual objects or information to enhance the reality of real scenes.
  • Augmented reality technology is usually based on real physical environment images obtained by an image acquisition device such as a camera.
  • the computer system recognizes and analyzes and retrieves the virtual extended extended information or virtual scene display such as text content, image content or image model associated with the computer system.
  • the user can obtain the extended information such as the annotation, description and the like of the real object in the real physical environment in the body or experience the stereoscopic and emphasized enhanced visual effect of the real object in the real physical environment.
  • the augmented reality technology can effectively provide users with extended information or image display effects that recognize the surrounding real environment, and at the same time realize the information interaction between the user and the surrounding real environment.
  • the existing augmented reality systems can be divided into video perspective and optical perspective according to the display implementation.
  • an optical perspective augmented reality system light from the real environment can reach the user's eyes through the optical lens group, so the user can directly observe the surrounding real environment, thereby effectively improving the real environment image in the video perspective augmented reality system.
  • the virtual environment information is superimposed and merged to display the delay phenomenon.
  • the optical see-through enhanced display system has problems of fixed system structure and large volume, which also becomes a development and popularization process of the optical perspective augmented reality device technology.
  • the present invention is to provide a head-mounted display device that is simple in structure and convenient to carry, and provides a user with an augmented reality effect.
  • an embodiment of the present invention first provides a head mounted display device, the head mounted display device comprising: a housing and a set of optical systems mounted in the housing; wherein
  • the optical system includes: an image display screen, a first optical magnifying lens group and a first reversible lens, the image display screen is located above the first optical magnifying lens group, and the first reversible lens is located at the Below the first optical magnifying lens group;
  • the optical path of the optical system is: the image light information emitted by the image display screen is transmitted through the first optical magnifying lens group, and then reflected by the first reversible lens to the human eye; and the head mounted display Ambient light information external to the device is transmitted through the first reversible lens to the human eye.
  • the head mounted display device further includes a pixel shielding layer, the pixel shielding layer is located at a side of the first reversible lens away from the human eye for displaying according to the image display screen
  • the image content is at a projection position in the first reversible lens, and the light transmittance of the corresponding region of the pixel shielding layer is adjusted.
  • the first optical amplifying lens group is composed of one or more Fresnel lenses, or consists of one or more spherical lenses and/or aspherical lenses, or one or more Philippine lenses A Neel lens and a spherical lens and/or an aspheric lens.
  • the present invention also provides a head mounted display device, the head mounted display device comprising: a housing and a set of optical systems mounted in the housing; wherein
  • the optical system includes: an image display screen, a first reversible lens and a concave mirror, the image display screen is located above the first reversible lens, and the concave mirror is located at the first reversible Below the lens;
  • the optical path of the optical system is: the image light information emitted by the image display screen is transmitted by the first reversible lens and then reflected by the concave mirror to the first reversible lens, A reversible lens is reflected to the human eye; and ambient light information outside the head mounted display device is transmitted to the human eye through the first reversible lens.
  • the head mounted display device further includes a pixel shielding layer, the pixel shielding layer is located at a side of the first reversible lens away from the human eye for displaying according to the image display screen
  • the image content is at a projection position in the first reversible lens, and the light transmittance of the corresponding region of the pixel shielding layer is adjusted.
  • the head mounted display device further comprises:
  • a second optical magnifying lens group disposed between the image display screen and the first reversible lens, the second optical magnifying lens group being composed of one or more Fresnel lenses, or by an OR Multiple spherical lenses and/or non
  • the spherical lens consists of or consists of one or more Fresnel lenses and a spherical lens and/or an aspheric lens.
  • the present invention also provides a head mounted display device, the head mounted display device comprising: a housing and a set of optical systems mounted in the housing; wherein
  • the optical system includes an image display screen, a first reversible lens and a second reversible lens, the image display screen being located above the first reversible lens, the second reversible lens being located The first reversible lens is away from the side of the human eye;
  • the optical path of the optical system is: after the image optical information emitted by the image display screen is reflected by the first reversible lens to the second reversible lens, is reflected by the second reversible lens to The first reversible lens is transmitted to the human eye via the first reversible lens; and ambient light information outside the head mounted display device sequentially passes through the second reversible lens and the first A reversible lens is transmitted to the human eye.
  • the head mounted display device further includes a pixel shielding layer, the pixel shielding layer is located on a side of the second reversible lens away from the human eye for displaying according to the image display screen
  • the image content is at a projection position in the second reversible lens, and the light transmittance of the corresponding region of the pixel shielding layer is adjusted.
  • the head mounted display device further comprises:
  • a second optical magnifying lens group disposed between the image display screen and the reversible lens, the second optical magnifying lens group being composed of one or more Fresnel lenses, or one or more
  • the spherical lens and/or the aspherical lens are composed of one or more Fresnel lenses and spherical lenses and/or aspherical lenses.
  • the head mounted display device further comprises:
  • An image acquisition module for acquiring an external image of the head mounted display device, the image acquisition module including one or more cameras.
  • the image acquisition module comprises a depth of field camera for acquiring an external depth image of the head mounted display device.
  • the image acquisition module further comprises a line of sight tracking module for determining human eye line of sight information by detecting a human eye movement state, the line of sight tracking module comprising a camera that captures a human eye image.
  • the head mounted display device further comprises an interaction control module, the interaction control module comprising one or a combination of the following:
  • a gesture interaction unit configured to be connected to the image acquisition module, configured to identify a gesture interaction instruction according to the gesture image acquired by the image acquisition module;
  • An eye movement interaction unit configured to be connected to the line of sight tracking module, for identifying an eye movement interaction instruction according to the eye movement state of the human eye acquired by the line of sight tracking module;
  • a somatosensory interaction unit for collecting body motion information by a sensor, according to the acquired limb motion Information, identifying and determining a somatosensory interaction instruction
  • the voice interaction unit is configured to collect voice information through a microphone, and identify and determine a voice interaction instruction according to the obtained voice information.
  • the head mounted display device further includes a power supply module, and the power supply module is connected to the image display screen, the image acquisition module, the line of sight tracking module, and the interaction control module through a circuit, and is configured to be built in Or an external power source supplies power to the head mounted display device.
  • the image display screen displays the image content in a split screen.
  • the head mounted display device further includes a headband or a support frame coupled to the housing.
  • the user's eyes are located behind the lens in the optical system (ie, at the exit of the optical system), and the user can receive the image light from the image display screen through the optical system.
  • the information can in turn receive ambient light information outside the head mounted display device through the reversible lens. After the two sets of optical information are transmitted through the optical path of the optical system, the images are superimposed on the user's binocular retina.
  • the head-mounted display device can recognize and analyze the environment and the object image in front of the head-mounted display device acquired by the image acquisition module, and can display the related content through the image display screen and superimpose and fuse the image into the real environment image, thereby realizing the user to pass
  • the head-mounted display device of the present invention observes the real environment and the object, the extended information related to the real environment and the object and other virtual object images can be fused and displayed in the visual field of the user, and the image with the augmented reality effect is presented.
  • FIG. 1 is a first schematic structural view of a head mounted display device according to an embodiment of the present invention
  • FIG. 2 is a second schematic structural view of a head mounted display device according to an embodiment of the present invention.
  • FIG. 3 is a first schematic structural view showing an optical system of a head mounted display device according to an embodiment of the present invention
  • FIG. 4 is a second schematic structural view of an optical system of a head mounted display device according to an embodiment of the present invention.
  • FIG. 5 is a third schematic structural diagram of an optical system of a head mounted display device according to an embodiment of the present invention.
  • FIG. 6 is a fourth schematic structural view of an optical system of a head mounted display device according to an embodiment of the present invention.
  • FIG. 7 is a fifth schematic structural diagram of an optical system of a head mounted display device according to an embodiment of the present invention.
  • FIG. 8 is a sixth structural diagram showing an optical system of a head mounted display device according to an embodiment of the present invention.
  • FIG. 9 is a view showing a seventh structural diagram of an optical system of a head mounted display device according to an embodiment of the present invention.
  • FIG. 10 is a view showing an eighth structural diagram of an optical system of a head mounted display device according to an embodiment of the present invention.
  • Figure 11 is a view showing a ninth structure of an optical system of a head mounted display device according to an embodiment of the present invention.
  • FIG. 12 is a tenth structural diagram of an optical system of a head mounted display device according to an embodiment of the present invention.
  • FIG. 13 is a block diagram showing an eleventh structure of an optical system of a head mounted display device according to an embodiment of the present invention.
  • FIG. 14 is a view showing a twelfth structure of an optical system of a head mounted display device according to an embodiment of the present invention.
  • 15 is a view showing a thirteenth structural diagram of an optical system of a head mounted display device according to an embodiment of the present invention.
  • 16 is a view showing a fourteenth structural diagram of an optical system of a head mounted display device according to an embodiment of the present invention.
  • Fig. 17 is a view showing a third configuration of a head mounted display device according to an embodiment of the present invention.
  • FIG. 1 is a schematic view showing a first structure of a head mounted display device according to the embodiment.
  • the head mounted display device provided in this embodiment includes a housing 1 , a set of optical systems mounted in the housing 1 , and an image acquisition module.
  • the image acquisition module is configured to acquire an external image of the head mounted display device, and specifically may include one or more cameras.
  • the image acquisition module includes a camera 51 and a camera 52 , both of which are RGB cameras.
  • the head-mounted display device can collect an environment image outside the head-mounted display device through the camera 51 and the camera 52, and acquire ambient light information and position distance information of the object by analyzing the environment image.
  • the image acquisition module may also include an RGB camera or a depth of field camera.
  • the camera 51 is an RGB camera
  • the camera 52 is a depth-of-field camera, so that the head-mounted display device can perform an external environment image of the head-mounted display device by the cooperation of the RGB camera and the depth-of-field camera.
  • the acquisition in addition to the environmental object to measure, obtain a three-dimensional image of the object and capture the user's gestures.
  • the head mounted display device can pass the map.
  • Image recognition is performed to obtain information content related to the environment or object (the content includes ambient light information, object position and depth of field information, etc.), and the information content is sent to the image display screen for display.
  • the head-mounted display device may transmit the above-mentioned introduction content to the image display screen for display after recognizing the building included in the environment image and acquiring the introduction content related to the building in the environment image.
  • the head-mounted display device can further acquire images or text content that can be displayed in combination with the environment image according to the environmental image information and the object depth information, and send the images or text content to the image display screen for display.
  • the external environment image of the head mounted display device is a vast sea surface, and the head mounted display device transmits a huge ship image that can be merged thereto to the image display screen for display.
  • the head-mounted display device may further display the display interface of the function application and/or the user interaction interface and the environment image according to the color information of the environment image, the brightness information, and the like.
  • the head mounted display device displays the call interface, the mail interface, the short message interface, and/or the schedule reminder interface through the image display screen.
  • the head-mounted display device provided in this embodiment can form two optical paths through the optical system, and the image of the external environment and the display image in the image display screen can be respectively transmitted to the eyes of the user through the two optical paths, and are used.
  • the superimposed fusion on the retina of both eyes enables the user of the head-mounted display device to view the real environment of the outside world with a normal view, and also obtain the content related to the real environment image displayed by the image display screen or other environment capable of interacting with the external environment.
  • the content of the image fusion is superimposed and displayed with augmented reality.
  • the head mounted display device may further include a line of sight tracking module for determining human eye line of sight information by detecting a human eye movement state.
  • the gaze tracking module preferably includes a camera that collects an image of the human eye.
  • the line-of-sight tracking module in the head-mounted display device includes a camera 61 and a camera 62, so that the line-of-sight tracking module can separately collect the left and right eyeballs of the user through the camera 61 and the camera 62. An image of the nearby area.
  • the line-of-sight tracking module can extract the eye image features by image recognition (such as pupil positioning, eye point detection, etc.) to perform positioning tracking of the human eye and motion state analysis of the eyeball, thereby estimating the direction of the user's line of sight according to the line of sight model, and simultaneously The position of the target object that the user is looking at is calculated according to the angle of the line of sight of the eyes.
  • image recognition such as pupil positioning, eye point detection, etc.
  • the gaze tracking module can also continuously acquire infrared rays reflected from the cornea and pupil of the human eye through the camera 61 and the camera 62 to record the change of the line of sight.
  • the line-of-sight tracking module may illuminate the human face with an infrared-assisted light source to form a reflective bright spot on the surface of the cornea of the human eye.
  • the line-of-sight tracking module can determine the person according to the change of the relative position of the reflected bright spot on the cornea of the human eye and the center point of the pupil of the human eye. The change of the line of sight and the position of the gaze, thereby achieving the purpose of gaze tracking.
  • the head-mounted display device provided in this embodiment may further include an interaction control module, where the interaction control module includes: a gesture interaction unit, an eye movement interaction unit, a somatosensory interaction unit, and a voice interaction unit. It should be noted that, in other embodiments of the present invention, the interaction control module may further include only one or more of the items listed above, and the present invention is not limited thereto.
  • the gesture interaction unit is connected to the image acquisition module, and is configured to acquire a gesture image by using the image acquisition module, and identify and determine the gesture interaction instruction according to the gesture image acquired by the image acquisition module.
  • the eye movement interaction unit is connected to the gaze tracking module for acquiring the eye movement state image of the human eye through the gaze tracking module, and identifying and determining the eye movement interaction instruction according to the eye movement state image acquired by the gaze tracking module.
  • the somatosensory interaction unit is configured to collect body motion information of the human body through the sensor, and identify and determine the somatosensory interaction instruction according to the acquired limb motion information.
  • the voice interaction unit is configured to collect voice information through a microphone, and identify and determine a voice interaction instruction according to the acquired voice information.
  • the head-mounted display device can acquire an interaction control instruction of the user through the interaction control module (the interaction control instruction includes: a gesture interaction instruction, an eye movement interaction instruction, a somatosensory interaction instruction, and/or a voice interaction instruction), This also allows the user to control and operate the head mounted display device according to the interactive control command (for example, adjusting the brightness of the image display screen, controlling the switching adjustment of the image display screen display content, and according to the user interaction displayed in the image display screen. Interface interaction, etc.).
  • the interaction control instruction includes: a gesture interaction instruction, an eye movement interaction instruction, a somatosensory interaction instruction, and/or a voice interaction instruction
  • the head mounted display device further includes a power supply module.
  • the power supply module is connected to the image display screen, the image acquisition module, the line of sight tracking module and the interactive control module through a circuit, and can supply power to the above modules of the head mounted display device through a built-in or external power source.
  • the near-eye side of the head mounted display device may also be provided with a diopter adjustment structure.
  • the diopter adjustment structure can adjust the diopter of the optical system within a certain range, so that the user of the head mounted display device can normally use the head mounted display device without wearing glasses.
  • the image acquisition module, the interaction control module, the power supply module, and the diopter adjustment structure described above may also be selected according to actual needs.
  • the specific implementation form of the above function module Other reasonable forms are also possible, and the invention is not limited thereto.
  • the head-mounted display device can accurately determine the user's gaze according to the external image acquired by the image acquisition module and the object depth information, combined with the human eye line of sight information acquired by the gaze tracking module.
  • the head mounted display device is further capable of controlling the image display screen to display the content related to the object currently viewed by the user at the corresponding position through image recognition and information acquisition, and transmitting through the optical path of the optical system of the head mounted display device. After that, the content displayed in the image display screen is displayed in the real field of view of the user, so that the user can simultaneously view the real environment object (such as a real object). Nearby areas) Viewing content related to real-world objects, with augmented reality display.
  • the optical system in the head mounted display device can be implemented in different structural forms.
  • the following combinations are respectively different.
  • the embodiment is described to illustrate an optical system in a head mounted display device.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • Fig. 3 is a view showing the structure of an optical system in a head mounted display device in this embodiment.
  • the optical system includes an image display screen 2, a first optical magnifying lens group 3, and a first reversible lens 4.
  • the image display screen 2 is located above the first optical magnifying lens group 3, and the first reversible lens 4 is located below the first optical magnifying lens group 3.
  • the image light information emitted from the image display screen 2 is transmitted to the human eye 21 by the first reversible lens 4 after being transmitted through the first optical magnifying lens group 3.
  • ambient light information outside the head mounted display device is transmitted to the human eye 21 through the first reversible lens 4.
  • the first reversible lens 4 is located below the first optical magnifying lens group 3 and is at an angle of 30 degrees to 60 degrees with the image display screen 2.
  • the image light information emitted by the image display screen 2 is transmitted through the first optical magnifying lens group 3, and then reflected by the first reversible lens 4 to the human eye 21, thereby forming an enlarged image on the retina of the human eye.
  • Virtual image
  • the first optical amplifying lens group 3 of the head mounted display device may be a combination of a single Fresnel lens or a plurality of Fresnel lenses, according to actual needs. It may also be a spherical lens, an aspherical lens or a combination of a plurality of spherical and/or aspherical lenses, or a combination of a Fresnel lens and a spherical lens and/or an aspherical lens, and the invention is not limited thereto.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • Fig. 4 is a view showing the structure of an optical system in a head mounted display device in this embodiment.
  • the optical system provided in this embodiment further includes a pixel shielding layer 7 compared to the optical system in the head mounted display device provided in Embodiment 1.
  • the pixel shielding layer 7 is located on a side of the first reversible lens 4 away from the eye of the person 21 .
  • the image display device can adjust the light transmittance of the region corresponding to the pixel shielding layer 7 according to the projection position of the image content displayed on the image display screen 2 in the first reversible lens 4.
  • the pixel shielding layer 7 may be a dimming liquid crystal screen or a dimming liquid crystal film, and the pixel shielding layer 7 changes the arrangement order of the liquid crystal droplets under the action of an applied electric field, thereby achieving pixel level transmittance adjustment.
  • the pixel shielding layer 7 is located on the side of the first reversible lens 4 that is away from the human eye 21, the ambient light information is transmitted through the pixel shielding layer 7.
  • the first can be reversed Mirror 4.
  • the head-mounted display device adjusts the position corresponding to the position in the pixel shielding layer 7 according to the projection position of the image content displayed by the image display screen 2 after being transmitted through the first optical magnifying lens group 3 in the first reversible lens 4 Transmittance.
  • the transmittance of the corresponding area in the pixel shielding layer 7 is reduced, thereby reducing the amount of light transmitted in the position area; when the ambient light is weak, the corresponding area in the pixel shielding layer 7 is The light transmittance is increased to increase the amount of light transmitted in the positional region.
  • the pixel shielding layer 7 can also adjust the light intensity of the corresponding position of the corresponding area in the pixel shielding layer in the first reversible lens 4, so that the content displayed on the image display screen 2 and the user's real
  • the influence of the external ambient light caused by the excessive or weak external ambient light on the visibility and display effect of the displayed content in the image display screen 2 is reduced.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • Fig. 5 is a view showing the structure of an optical system in a head mounted display device in this embodiment.
  • the first reversible lens in the optical system provided in this embodiment employs two glued right angle prisms 41 and The right angle prism 42 is realized.
  • the inclined surface of the right angle prism 41 or the right angle prism 42 is plated with a reverse permeable membrane, and the inclined surface of the right angle prism plated with the reverse permeable membrane is at an angle of 30 degrees to 60 degrees with the image display screen 2.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • Fig. 6 is a view showing the structure of an optical system in a head mounted display device in this embodiment.
  • the optical system provided in this embodiment further includes a light transmitting mirror 81 and a light transmitting mirror 82, as compared with the optical system of the head mounted display device shown in FIG.
  • the light-transmitting mirror 81 and the light-transmitting mirror 82 are respectively disposed on the side of the human-eye display device and away from the human eye side.
  • the light transmitting mirror 81 and the light transmitting mirror 82 are preferably optical quartz sheets, and the surfaces of the two transparent sheets are flat or curved.
  • the light transmitting mirror 81 and the light transmitting mirror 82 enable the optical system to have good light transmittance while also forming a relatively closed space to protect the optical elements in the optical system.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • Fig. 7 is a view showing the structure of an optical system in the head mounted display device of the embodiment.
  • the optical system in the head mounted display device includes an image display screen 2, a first reversible lens 4, and a concave mirror 5.
  • the image display screen 2 is located above the first reversible lens 4, and the concave mirror 5 is located below the first reversible lens 4.
  • the image light information emitted by the image display screen 2 is transmitted through the first reversible lens 4 and then reflected by the concave mirror 5 to the first reversible lens 4, and then reflected by the first reversible lens 4.
  • the human eye 21 To the human eye 21.
  • head-mounted Ambient light information outside the display device is transmitted to the human eye 21 through the first reversible lens 4.
  • the first reversible lens 4 is located below the image display screen 2, which is at an angle of 30 degrees to 60 degrees with the image display screen 2.
  • the concave mirror 5 is located below the first reversible lens 4, and one side of the near image display 2 is plated with a total reflection film, so that the image light information emitted by the image display screen 2 can be transmitted through the first reversible lens 4. Thereafter, it is reflected by the concave mirror 5 to the first reversible lens 4, and then reflected by the first reversible lens 4 to the retina of the human eye to form an enlarged virtual image.
  • a second may be installed between the image display screen 2 and the first reversible lens 4.
  • the second optical amplifying lens group and the concave reflecting mirror 5 together constitute an optical amplifying structure for amplifying the image content displayed in the image display screen 2.
  • the second optical amplifying lens group may be a single Fresnel lens or a plurality of Fresnel lens combinations, or a spherical lens, an aspheric lens or a plurality of spherical surfaces, and according to actual needs.
  • the combination of the aspherical lens may also be a combination of a Fresnel lens and a spherical lens and/or an aspherical lens, and the invention is not limited thereto.
  • Fig. 8 is a view showing the structure of an optical system in a head mounted display device in this embodiment.
  • the optical system provided in this embodiment further includes a pixel shielding layer 7 compared to the optical system in the head mounted display device provided in the fifth embodiment.
  • the pixel shielding layer 7 is located on a side of the first reversible lens 4 away from the human eye, and is used for adjusting the pixel shielding layer according to the projection position of the image content of the image display screen 2 in the first reversible lens 4. 7 transmittance of the corresponding area.
  • the pixel shielding layer 7 may be a dimming liquid crystal screen or a dimming liquid crystal film, and the pixel shielding layer 7 changes the arrangement order of the liquid crystal droplets under the action of an applied electric field, thereby achieving pixel level transmittance adjustment.
  • the head-mounted display device since the pixel shielding layer 7 is located on the side of the first reversible lens 4 that is away from the human eye, the ambient light information passes through the pixel shielding layer 7 and reaches the first A reversible lens 4 can be used.
  • the head mounted display device adjusts the light transmittance of the pixel shielding layer 7 corresponding to the position in accordance with the projection position of the image content displayed on the image display screen 2 in the reversible lens.
  • the transmittance of the corresponding region in the pixel shielding layer 7 is reduced, thereby reducing the amount of light transmitted in the position region; and when the ambient light is weak, the transmittance of the corresponding region in the pixel shielding layer 7 Increased to increase the amount of light transmitted in the location area.
  • the pixel shielding layer 7 can also adjust the light intensity of the corresponding position of the corresponding area in the pixel shielding layer in the first reversible lens 4, so that the content displayed on the image display screen 2 and the user's real
  • the visual image is fused, the external ambient light caused by the excessive or weak external light intensity is reduced.
  • the effect of the line on the image display 2 shows the visibility and display effect of the content.
  • Fig. 9 is a view showing the structure of an optical system in a head mounted display device in this embodiment.
  • the first reversible lens in the optical system provided in this embodiment employs two glued right angle prisms 41 and right angles.
  • the prism 42 is implemented.
  • the inclined surface of the right-angle prism 41 or the right-angle prism 42 is plated with a reverse permeable membrane, and the inclined surface of the right-angle prism plated with the anti-permeable membrane is at an angle of 30 degrees to 60 degrees with the image display screen.
  • Fig. 10 is a view showing the structure of an optical system in a head mounted display device in this embodiment.
  • the first reversible lens in the optical system provided in this embodiment employs two glued right angle prisms 41 and right angles.
  • the prism 42 is implemented.
  • the right angle prism 42 and the concave mirror are integrated.
  • the inclined surface of any one of the two right-angle prisms is plated with a reverse permeable membrane, and the angle of the right-angle prism coated with the anti-permeable membrane is at an angle of 30 degrees to 60 degrees with the image display screen, and the concave surface of the right-angle prism 42 Plated with a total reflection film.
  • Fig. 11 is a view showing the configuration of an optical system in a head mounted display device in this embodiment.
  • the optical system provided in this embodiment further includes a light transmitting mirror 81 and a light transmitting mirror 82, as compared with the optical system of the head mounted display device shown in FIG.
  • the light-transmitting mirror 81 and the light-transmitting mirror 82 are respectively disposed on the side of the human-eye display device and away from the human eye side.
  • the light transmitting mirror 81 and the light transmitting mirror 82 are preferably optical quartz sheets, and the surfaces of the two transparent sheets are flat or curved.
  • the light transmitting mirror 81 and the light transmitting mirror 82 enable the optical system to have good light transmittance while also forming a relatively closed space to protect the optical elements in the optical system.
  • Fig. 12 is a view showing the configuration of an optical system in a head mounted display device in this embodiment.
  • the optical system in the head mounted display device includes an image display screen 2, a first reversible lens 4, and a second reversible lens 6.
  • the image display screen 2 is located above the first reversible lens 4, and the second reversible lens 6 is located on the side of the first reversible lens 4 away from the human eye 21.
  • the image light information emitted by the image display screen 2 is reflected by the first reversible lens 4 to the second reversible lens 6 and is reflected by the second reversible lens 6 to the first reversible lens. 4, and then transmitted to the human eye 21 via the first reversible lens 4.
  • the ambient light information outside the head mounted display device is sequentially transmitted to the human eye through the second reversible lens 6 and the first reversible lens 4.
  • the first reversible lens 4 is located below the image display screen, and is at an angle of 30 degrees to 60 degrees with the image display screen 2.
  • the second reversible lens 6 is located on the side of the first reversible lens 4 away from the human eye, and the second reversible lens 6 is a concave mirror, and the side of the first reversible lens 4 is plated with a reverse permeable membrane.
  • the image light information emitted by the image display screen 2 is reflected by the first reversible lens 4 to the second reversible lens 6 , and then reflected by the second reversible lens 6 to the first reversible lens 4 , and then passed through the first
  • the reversible lens 4 is transmitted to the retina of the human eye to form an enlarged virtual image.
  • Fig. 13 is a view showing the configuration of an optical system in a head mounted display device in this embodiment.
  • the optical system can also be on the image display screen 2 and the first reversible lens based on the optical system shown in the tenth embodiment.
  • a second optical magnifying lens group 9 is mounted between 4.
  • the second optical magnifying lens group 9 is capable of magnifying the image content displayed in the image display screen 2.
  • the second optical amplifying lens group 9 may be a single Fresnel lens or a plurality of Fresnel lens combinations, or may be a spherical lens, an aspheric lens or a plurality of spheres and/or
  • the combination of the aspherical lenses may also be a combination of a Fresnel lens and a spherical lens and/or an aspherical lens, and the present invention is not limited thereto.
  • Fig. 14 is a view showing the configuration of an optical system in a head mounted display device in this embodiment.
  • the optical system provided in this embodiment further includes a pixel shielding layer 7 compared to the optical system provided in the tenth embodiment.
  • the pixel shielding layer is located on a side of the second reversible lens 6 away from the human eye 21 for adjusting the pixel shielding according to the projection position of the image content displayed by the image display screen 2 in the second reversible lens 6.
  • the transmittance of the corresponding area of layer 7 is.
  • the pixel shielding layer 7 may be a dimming liquid crystal screen or a dimming liquid crystal film, and the pixel shielding layer 7 changes the arrangement order of the liquid crystal droplets under the action of an applied electric field, thereby achieving pixel level transmittance adjustment.
  • the pixel shielding layer 7 is located on the side of the second reversible lens 6 that is away from the human eye, the ambient light information passes through the pixel shielding layer 7 and reaches the first The second reversible lens 6.
  • the head mounted display device reflects the image content displayed by the image display screen 2 through the first reversible lens 4
  • the projection position in the second reversible lens 6 adjusts the light transmittance of the pixel shielding layer 7 corresponding to the position.
  • the transmittance of the corresponding region in the pixel shielding layer 7 is reduced, thereby reducing the amount of light transmitted in the position region; and when the ambient light is weak, the transmittance of the corresponding region in the pixel shielding layer 7 Increased to increase the amount of light transmitted in the location area.
  • the pixel shielding layer 7 can also adjust the light intensity of the corresponding position of the corresponding area in the pixel shielding layer in the first reversible lens 4, so that the content displayed on the image display screen 2 and the user's real
  • the influence of the external ambient light caused by the excessive or weak external ambient light on the visibility and display effect of the displayed content in the image display screen 2 is reduced.
  • Fig. 15 is a view showing the configuration of an optical system in a head mounted display device in this embodiment.
  • the first reversible lens in the optical system provided in this embodiment employs two glued right angle prisms 41 and right angles.
  • the prism 42 is implemented.
  • the inclined surface of the right-angle prism 41 or the right-angle prism 42 is plated with a reverse permeable membrane, and the angled prism of the right-angle prism plated with the anti-permeable membrane is at an angle of 30 degrees to 60 degrees with the image display screen.
  • Embodiment 14 is a diagrammatic representation of Embodiment 14:
  • Fig. 16 is a view showing the configuration of an optical system in a head mounted display device in this embodiment.
  • the optical system provided in this embodiment further includes a light transmitting mirror 81 and a light transmitting mirror 82, as compared with the optical system of the head mounted display device shown in FIG.
  • the light-transmitting mirror 81 and the light-transmitting mirror 82 are respectively disposed on the side of the human-eye display device and away from the human eye side.
  • the light transmitting mirror 81 and the light transmitting mirror 82 are preferably optical quartz sheets, and the surfaces of the two transparent sheets are flat or curved.
  • the light transmitting mirror 81 and the light transmitting mirror 82 enable the optical system to have good light transmittance while also forming a relatively closed space to protect the optical elements in the optical system.
  • the head-mounted display device provided by each embodiment of the present invention can have different reflective transmittances according to the need of superimposing and merging the display content of the image display screen with the real field of view of the user.
  • the reversible lens may be coated with a translucent film having different reflection transmittance ratios on the surface, and the light transmission and reflection ratio may be adjusted through different reversible films.
  • the reversible lens may be a semi-reflex lens. .
  • the image display screen of the head-mounted display device of the present invention can display the image on the left and right screens, and the left and right screen images displayed on the split screen are transmitted by the optical path of the optical system, respectively, and are respectively received by the left and right eyes of the user.
  • the split screen displayed in the image display screen may be a left and right split screen image with the same format, or may be a left and right split screen image with a preset parallax.
  • the left and right points are When the screen image is displayed, the user sees a planar image; when the image displayed by the split screen in the image display screen is a left and right split screen image with a preset parallax, the user sees a stereoscopic image having a 3D effect.
  • the image display screen of the head mounted display device of the present invention may also be two independent image display screens corresponding to the eyes of the user, the image content is respectively displayed in the two image display screens, and the image content displayed in the two image display screens. After being transmitted through the optical path of the optical system, they are respectively received by the left and right eyes of the user.
  • the images displayed on the two image display screens may be images with the same format, or may be images with preset parallax. Specifically, when the images in the same format are displayed in the two image display screens, the user sees a planar image; when the images in the two image display screens display the preset parallax, the user sees It is a stereoscopic image with a 3D effect.
  • the reversible lens of the head mounted display device provided by the present invention may be composed of two independent reversible lenses respectively corresponding to the left and right eyes, or may be a reversible lens. Shared with both eyes.
  • the head-mounted display device can be connected and fixed to the user's head by wearing a telescopic belt, a support frame, a helmet bracket or a hat according to actual needs.
  • 1 and 2 show a schematic structural view of a head mounted display device fixed to a user's head by wearing a telescopic belt 9.
  • a variety of support and fixing structures can be designed inside the casing according to specific conditions, and the optical components are mounted and fixed to form a corresponding optical system.
  • the shape of the casing can also be designed and adjusted as needed, and only needs to meet the requirements of accommodating and fixing the optical components of the head mounted display device of the embodiment of the invention.
  • the invention is not limited to the specific embodiments described above.
  • the invention can be extended to any new feature or any new combination disclosed in this specification, as well as any novel method or process steps or any new combination disclosed.

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Abstract

头戴式显示装置，包括壳体（1）以及安装于壳体内的一组光学系统。光学系统包括图像显示屏（2）、第一光学放大透镜组（3）和第一可反可透镜（4），图像显示屏位于第一光学放大透镜组上方，第一可反可透镜位于第一光学放大透镜组下方。图像显示屏发出的图像光信息经第一光学放大透镜组透射后被第一可反可透镜反射至人眼（21），外部的环境光信息通过第一可反可透镜透射至人眼。这种头戴式显示装置结构简单、佩带舒适，用户能够便捷地享受具有增强现实效果的视觉体验。

Description

头戴式显示装置
相关技术的交叉引用
本申请要求享有以下专利申请的优先权：2014年12月26日提交的名称为：“头戴式显示装置”的中国专利申请CN201410831356.X、2014年12月26日提交的名称为：“头戴式显示装置”的中国专利申请CN201420849726.8、2014年12月26日提交的名称为：“头戴式显示装置”的中国专利申请CN201420847586.0以及2014年12月26日提交的名称为：“头戴式显示装置”的中国专利申请CN201420847516.5，其全部内容通过引用并入本文中。
技术领域
本发明涉及光学及图像显示技术领域，具体地说，涉及一种头戴式显示装置。
背景技术
增强现实(Augmented Reality，简称AR)，是利用虚拟物体或信息对真实场景进行现实增强的技术。增强现实技术通常基于摄像头等图像采集设备获得到的真实物理环境影像，通过计算机系统识别分析及查询检索将与之存在关联的文本内容、图像内容或图像模型等虚拟生成的扩展信息或虚拟场景显示在真实物理环境影像中，从而使用户能够获得到身处的现实物理环境中的真实物体的标注、说明等相关扩展信息或者体验到现实物理环境中真实物体的立体的、突出强调的增强视觉效果。增强现实技术通过对虚拟对象与现实环境进行充分地融合，能够有效地为用户提供认知周围真实环境的扩展信息或图像展示效果，同时实现用户与周围真实环境的信息交互。
现有的增强现实系统按照显示实现方式可分为视频透视式和光学透视式两种。采用光学透视式的增强现实系统，来自真实环境的光线能够通过光学透镜组到达用户的眼睛，因此用户可以直接观察周围的真实环境，从而能够有效改善视频透视式增强现实系统中将真实环境图像与虚拟环境信息进行叠加融合后显示所存在的时延现象。
然而，，由于光学透视式增强现实系统的光学系统结构复杂，因此光学透视式增强显示系统存在系统结构固定且体积较大等问题，这也成为光学透视式增强现实设备技术发展和推广普及过程中亟待解决的技术问题。
发明内容
本发明是为了提供一种结构简单、方便携带的头戴式显示装置，来为使用者提供具有增强现实效果的使用体验。为了实现上述目的，本发明的一个实施例首先提供了一种头戴式显示装置，所述头戴式显示装置包括：壳体以及安装于所述壳体内的一组光学系统；其中，
所述光学系统包括：图像显示屏、第一光学放大透镜组和第一可反可透镜，所述图像显示屏位于所述第一光学放大透镜组上方，所述第一可反可透镜位于所述第一光学放大透镜组下方；
所述光学系统的光路为：所述图像显示屏发出的图像光信息经所述第一光学放大透镜组透射后被所述第一可反可透镜反射至人眼；以及所述头戴式显示装置外部的环境光信息通过所述第一可反可透镜透射至人眼。
根据本发明的一个实施例，所述头戴式显示装置还包括像素遮蔽层，所述像素遮蔽层位于所述第一可反可透镜远离人眼一侧，用于根据所述图像显示屏显示的图像内容在所述第一可反可透镜中的投影位置，调节像素遮蔽层对应区域的透光率。
根据本发明的一个实施例，所述第一光学放大透镜组由一个或多个菲涅尔透镜组成，或者由一个或多个球面透镜和/或非球面透镜组成，或者由一个或多个菲涅尔透镜及球面透镜和/或非球面透镜组成。
本发明还提供了一种头戴式显示装置，所述头戴式显示装置包括：壳体以及安装于所述壳体内的一组光学系统；其中，
所述光学系统包括：图像显示屏、第一可反可透镜和凹面反射镜，所述图像显示屏位于所述第一可反可透镜上方，所述凹面反射镜位于所述第一可反可透镜下方；
所述光学系统的光路为：所述图像显示屏发出的图像光信息经所述第一可反可透镜透射后被所述凹面反射镜反射至所述第一可反可透镜，由所述第一可反可透镜反射至人眼；以及所述头戴式显示装置外部的环境光信息通过所述第一可反可透镜透射至人眼。
根据本发明的一个实施例，所述头戴式显示装置还包括像素遮蔽层，所述像素遮蔽层位于所述第一可反可透镜远离人眼一侧，用于根据所述图像显示屏显示的图像内容在所述第一可反可透镜中的投影位置，调节像素遮蔽层对应区域的透光率。
根据本发明的一个实施例，所述头戴式显示装置还包括：
第二光学放大透镜组，其设置在所述图像显示屏与所述第一可反可透镜之间，所述第二光学放大透镜组由一个或多个菲涅尔透镜组成，或者由一个或多个球面透镜和/或非 球面透镜组成，或者由一个或多个菲涅尔透镜及球面透镜和/或非球面透镜组成。
本发明还提供了一种头戴式显示装置，所述头戴式显示装置包括：壳体以及安装于所述壳体内的一组光学系统；其中，
所述光学系统包括图像显示屏、第一可反可透镜和第二可反可透镜，所述图像显示屏位于所述第一可反可透镜上方，所述第二可反可透镜位于所述第一可反可透镜远离人眼一侧；
所述光学系统的光路为：所述图像显示屏发出的图像光信息经所述第一可反可透镜反射至所述第二可反可透镜后，由所述第二可反可透镜反射至所述第一可反可透镜，经所述第一可反可透镜透射至人眼；以及所述头戴式显示装置外部的环境光信息依次通过所述第二可反可透镜和所述第一可反可透镜透射至人眼。
根据本发明的一个实施例，所述头戴式显示装置还包括像素遮蔽层，所述像素遮蔽层位于所述第二可反可透镜远离人眼一侧，用于根据所述图像显示屏显示的图像内容在所述第二可反可透镜中的投影位置，调节像素遮蔽层对应区域的透光率。
根据本发明的一个实施例，所述头戴式显示装置还包括：
第二光学放大透镜组，其设置在所述图像显示屏与所述可反可透镜之间，所述第二光学放大透镜组由一个或多个菲涅尔透镜组成，或者由一个或多个球面透镜和/或非球面透镜组成，或者由一个或多个菲涅尔透镜及球面透镜和/或非球面透镜组成。
根据本发明的一个实施例，所述头戴式显示装置还包括：
用于获取所述头戴式显示装置外部图像的图像采集模块，所述图像采集模块包括一个或多个摄像头。
根据本发明的一个实施例，所述图像采集模块包括用于获取所述头戴式显示装置外部深度图像的景深摄像头。
根据本发明的一个实施例，所述图像采集模块还包括用于通过检测人眼眼球运动状态确定人眼视线信息的视线跟踪模块，所述视线跟踪模块包括采集人眼图像的摄像头。
根据本发明的一个实施例，所述头戴式显示装置还包括交互控制模块，所述交互控制模块包括如下之一或组合：
手势交互单元，其与所述图像采集模块连接，用于根据所述图像采集模块获取的手势图像，识别确定手势交互指令；
眼动交互单元，其与所述视线跟踪模块连接，用于根据所述视线跟踪模块获取的人眼眼球运动状态，识别确定眼动交互指令；
体感交互单元，用于通过传感器采集人体肢体动作信息，根据获取的所述肢体动作 信息，识别确定体感交互指令；
语音交互单元，用于通过麦克风采集语音信息，根据获取的所述语音信息，识别确定语音交互指令。
根据本发明的一个实施例，所述头戴式显示装置还包括供电模块，所述供电模块通过电路与所述图像显示屏、图像采集模块、视线跟踪模块和交互控制模块连接，用于通过内置或外接电源为所述头戴式显示装置供电。
根据本发明的一个实施例，所述图像显示屏对图像内容进行分屏显示。
根据本发明的一个实施例，所述头戴式显示装置还包括与所述壳体连接的头戴伸缩带或支撑架。
采用本发明所提供的头戴式显示装置，使用者双眼位于光学系统中可反可透镜的后方(即光学系统的出口处)，使用者既可以通过光学系统接收来自图像显示屏发出的图像光信息，又可以通过可反可透镜接收头戴式显示装置外部的环境光信息。两组光信息经过光学系统的光学路径传输之后，在使用者双眼视网膜上叠加成像。
同时，头戴式显示装置通过对图像采集模块获取的头戴式显示装置前方环境及物体图像进行识别分析，能够通过图像显示屏显示相关内容并叠加融合于真实环境图像中，从而实现使用者通过本发明头戴式显示装置观察真实环境及物体时，与真实环境及物体相关的扩展信息及其他虚拟物体图像能够融合显示在使用者的视野范围内，呈现具有增强现实效果的图像。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图：
图1示出了本发明一个实施例的头戴式显示装置的第一结构示意图；
图2示出了本发明一个实施例的头戴式显示装置的第二结构示意图；
图3示出了本发明一个实施例的头戴式显示装置光学系统的第一结构示意图；
图4示出了本发明一个实施例的头戴式显示装置光学系统的第二结构示意图；
图5示出了本发明一个实施例的头戴式显示装置光学系统的第三结构示意图；
图6示出了本发明一个实施例的头戴式显示装置光学系统的第四结构示意图；
图7示出了本发明一个实施例的头戴式显示装置光学系统的第五结构示意图；
图8示出了本发明一个实施例的头戴式显示装置光学系统的第六结构示意图；
图9示出了本发明一个实施例的头戴式显示装置光学系统的第七结构示意图；
图10示出了本发明一个实施例的头戴式显示装置光学系统的第八结构示意图；
图11示出了本发明一个实施例的头戴式显示装置光学系统的第九结构示意图；
图12示出了本发明一个实施例的头戴式显示装置光学系统的第十结构示意图；
图13示出了本发明一个实施例的头戴式显示装置光学系统的第十一结构示意图；
图14示出了本发明一个实施例的头戴式显示装置光学系统的第十二结构示意图；
图15示出了本发明一个实施例的头戴式显示装置光学系统的第十三结构示意图；
图16示出了本发明一个实施例的头戴式显示装置光学系统的第十四结构示意图；
图17示出了本发明一个实施例的头戴式显示装置的第三结构示意图。
具体实施方式
为了能够更清楚地理解本发明的目的、特征和优点，下面结合附图和具体实施方式对本发明做进一步的详细描述。需要说明的是，在不冲突的情况下，本申请的实施例及实施例中的特征可以相互结合。
在下面的描述中阐述了很多具体细节以便于充分理解本发明，但是，这仅仅是本发明的一些实施例，本发明还可以采用其他不同于在此描述的其他方式来实施，因此，本发明的保护范围并不受下面公开的具体实施例的限制。
图1示出了本实施例所提供的头戴式显示装置的第一结构示意图。
如图1所示，本实施例所提供的头戴式显示装置包括：壳体1、安装于壳体1内的一组光学系统以及图像采集模块。其中，图像采集模块用于获取头戴式显示装置外部图像，具体地可以包括一个或多个摄像头。如图1所示，本实施例中，图像采集模块包括摄像头51和摄像头52，这两个摄像头均为RGB摄像头。头戴式显示装置可以通过摄像头51和摄像头52采集头戴式显示装置外部的环境图像，并通过解析环境图像获取环境光信息以及物体的位置距离信息。
需要指出的是，在本发明的其他实施例中，图像采集模块也可以既包含RGB摄像头，也可以包含景深摄像头。例如在本发明的一个实施例中，摄像头51为RGB摄像头，摄像头52为景深摄像头，这样头戴式显示装置便可以通过RGB摄像头与景深摄像头的配合，来进行对头戴式显示装置外部环境图像的采集，进而对环境物体进行测距、获取物体的三维影像以及捕捉用户的手势动作等。
本实施例中，根据图像采集模块获取的环境图像信息，头戴式显示装置可以通过图 像识别解析来获取与环境或物体相关的信息内容(该信息内容包括环境光信息、物体位置及景深信息等)，并将这些信息内容发送至图像显示屏进行显示。例如，头戴式显示装置可以在识别出环境图像中所包含的建筑物并获取到与环境图像中建筑物相关的介绍内容后，将上述介绍内容发送至图像显示屏进行显示。
同时，头戴式显示装置也可以根据环境图像信息及物体景深信息，进一步获取能够与环境图像融合显示的图像或文字内容，并将这些图像或文字内容发送至图像显示屏进行显示。例如，头戴式显示装置外部环境图像为辽阔的海面，头戴式显示装置将能够与之融合的巨大的轮船图像发送至图像显示屏进行显示。
此外，头戴式显示装置还可以根据环境图像的色彩信息以及亮度信息等，将功能应用的显示界面和/或用户交互界面与环境图像进行叠加显示。例如，头戴式显示装置将通话界面、邮件界面、短信界面和/或日程提醒界面等通过图像显示屏进行显示。
本实施例所提供的头戴式显示装置能够通过光学系统形成两路光学通路，外界环境图像与图像显示屏中的显示图像能够通过这两路光学通路分别传送至使用者的双眼，并在使用者双眼的视网膜上叠加融合，从而使得头戴式显示装置的使用者能够以正常视野查看外界真实环境的同时，还能够获得图像显示屏显示的与真实环境图像相关的内容或者其他能够与外界环境图像融合的内容，叠加显示后具有增强现实的显示效果。
根据实际需要，本实施例所提供的头戴式显示装置还可以包括用于通过检测人眼眼球运动状态以确定人眼视线信息的视线跟踪模块。其中，本实施例中，视线跟踪模块优选地包括采集人眼图像的摄像头。
具体地，如图2所示，本实施例中，头戴式显示装置中的视线跟踪模块包括摄像头61和摄像头62，这样视线跟踪模块便可以通过摄像头61和摄像头62分别采集使用者左右眼眼球附近区域的图像。
当使用者的眼睛注视不同的方向或不同距离的物体时，眼部会产生细微的变化，这些变化会产生可以提取的眼部特征。因此视线跟踪模块可以通过图像识别(如瞳孔定位、眼角点检测等)提取眼部图像特征来进行人眼的定位跟踪以及眼球的运动状态分析，从而根据视线模型估算出使用者的视线方向，同时根据双眼视线夹角计算出使用者注视的目标物体的位置。
视线跟踪模块也可以通过摄像头61和摄像头62连续获取从人眼角膜和瞳孔反射的红外线从而记录视线变化。具体地，视线跟踪模块可以通过红外线辅助光源照射人脸部，以在人眼角膜表面形成反射亮斑。当人眼在注视不同位置时眼球会发生相应的转动，视线跟踪模块可以根据人眼角膜上的反射亮斑与人眼瞳孔中心点相对位置的变化，确定人 眼视线的变化及注视的位置，从而实现视线跟踪的目的。
本实施例所提供的头戴式显示装置还可以包括交互控制模块，其中，交互控制模块包括：手势交互单元、眼动交互单元、体感交互单元和语音交互单元。需要指出的是，在本发明的其他实施例中，交互控制模块还可以仅包含以上所列项中的某一项或几项，本发明不限于此。
手势交互单元与图像采集模块连接，其用于通过图像采集模块获取手势图像，并根据图像采集模块获取的手势图像，识别确定手势交互指令。眼动交互单元与视线跟踪模块连接，其用于通过视线跟踪模块获取人眼眼球运动状态图像，并根据视线跟踪模块获取的人眼眼球运动状态图像，识别确定眼动交互指令。体感交互单元用于通过传感器采集人体的肢体动作信息，根据获取的肢体动作信息，识别确定体感交互指令。语音交互单元用于通过麦克风采集语音信息，根据获取的语音信息，识别确定语音交互指令。
本实施例所提供的头戴式显示装置能够通过交互控制模块获取使用者的交互控制指令(该交互控制指令包括：手势交互指令、眼动交互指令、体感交互指令和/或语音交互指令)，这也就使得使用者可以根据交互控制指令对头戴式显示装置进行控制和操作(例如，调整图像显示屏的亮度、控制图像显示屏显示内容的切换调整以及根据图像显示屏中显示的用户交互界面进行交互操作等)。
此外，本实施例中，头戴式显示装置还包括供电模块。其中，供电模块通过电路与图像显示屏、图像采集模块、视线跟踪模块和交互控制模块连接，其能够通过内置或外接电源为头戴式显示装置的上述模块进行供电。
在本发明的一个实施例中，头戴式显示装置的近眼侧还可以安装有屈光度调节结构。其中，屈光度调节结构可以在一定范围内调节光学系统的屈光度，这样也就能够使得头戴式显示装置的使用者可以在不佩戴眼镜的情况下正常使用该头戴式显示装置。
需要指出的是，在本发明的不同实施例中，以上所述的图像采集模块、交互控制模块、供电模块以及屈光度调节结构还可以根据实际需要进行选配，当然，上述功能模块的具体实现形式也可以为其他合理形式，本发明不限于此。
从上述描绘可知，本实施例所提供的头戴式显示装置能够根据图像采集模块获取的外界图像及物体景深信息，结合视线跟踪模块获取的人眼视线信息，来准确地确定使用者正在注视的真实环境中的物体。该头戴式显示装置还能够通过图像识别与信息获取，控制图像显示屏在对应位置显示与使用者当前注视的物体相关的内容，并经头戴式显示装置的光学系统的两路光学路径传输后，在图像显示屏中显示的内容融合显示在使用者的真实视野中，从而实现使用者在注视真实环境物体时，能够同时在视野中(如真实物体 的附近区域)查看到与真实环境物体相关的内容，具有增强现实的显示效果。
需要指出的是，在本发明的不同实施例中，头戴式显示装置中的光学系统可以采用不同的结构形式来实现，为了更加清楚地阐述本发明的目的、原理以及优点，以下分别结合不同的实施例来对头戴式显示装置中的光学系统进行阐述。
实施例一：
图3示出了本实施例中头戴式显示装置中光学系统的结构示意图。
如图3所示，本实施例中，光学系统包括：图像显示屏2、第一光学放大透镜组3和第一可反可透镜4。其中，图像显示屏2位于第一光学放大透镜组3的上方，第一可反可透镜4位于第一光学放大透镜组3的下方。
在工作的过程中，图像显示屏2发出的图像光信息经第一光学放大透镜组3的透射后被第一可反可透镜4反射至人眼21。同时，头戴式显示装置外部的环境光信息通过第一可反可透镜4透射至人眼21。
在本实施例中，第一可反可透镜4位于第一光学放大透镜组3下方，并与图像显示屏2呈30度～60度夹角。在工作的过程中，图像显示屏2发出的图像光信息经第一光学放大透镜组3透射后，再经第一可反可透镜4反射至人眼21，从而在人眼视网膜上形成放大的虚像。
需要指出的是，在本发明的不同实施例中，根据实际需要，头戴式显示装置的第一光学放大透镜组3既可以是单片菲涅尔透镜或多片菲涅尔透镜的组合，也可以是球面透镜、非球面透镜或多个球面和/或非球面透镜的组合，亦可以是菲涅尔透镜与球面透镜和/或非球面透镜的组合，本发明不限于此。
实施例二：
图4示出了本实施例中头戴式显示装置中光学系统的结构示意图。
如图4所示，相较于实施例一所提供头戴式显示装置中的光学系统，本实施例提供的光学系统还包括像素屏蔽层7。其中，像素遮蔽层7位于第一可反可透镜4远离人21眼的一侧。图像显示装置能够根据图像显示屏2显示的图像内容在第一可反可透镜4中的投影位置，调节像素遮蔽层7所对应区域的透光率。具体地，像素遮蔽层7可以是调光液晶屏或调光液晶膜，像素屏蔽层7通过在外加电场的作用下改变液晶微滴的排列分布顺序，从而实现像素级别的透光率调节。
对于该实施例所提供的头戴式显示装置来说，由于像素遮蔽层7位于第一可反可透镜4的远离人眼21的一侧，因此外界环境光信息透过像素遮蔽层7后到达第一可反可透 镜4。该头戴式显示装置根据图像显示屏2显示的图像内容经第一光学放大透镜组3透射后在第一可反可透镜4中的投影位置，调节像素遮蔽层7中与该位置对应区域的透光率。
具体地，当外界环境光较强时，像素遮蔽层7中对应区域的透光率降低，进而减少该位置区域的透光量；当外界环境光较弱时，像素遮蔽层7中对应区域的透光率提高，从而增加该位置区域的透光量。这样，像素屏蔽层7也就可以调整像素遮蔽层中对应区域在第一可反可透镜4中的投影位置的光强，这样也就可以在图像显示屏2中显示的内容与使用者的真实视觉图像进行融合时，降低由于外部环境光强度过强或过弱而导致的外部环境光线对图像显示屏2中显示内容的可见度及显示效果的影响。
实施例三：
图5示出了本实施例中头戴式显示装置中光学系统的结构示意图。
如图5所示，相较于图3所示的头戴式显示装置中的光学系统，本实施例所提供的光学系统中的第一可反可透镜采用了两块胶合的直角棱镜41和直角棱镜42来实现。其中，直角棱镜41或直角棱镜42的斜面镀有可反可透膜，镀有可反可透膜的直角棱镜的斜面与图像显示屏2呈30度～60度的夹角。
实施例四：
图6示出了本实施例中头戴式显示装置中光学系统的结构示意图。
如图6所示，相较于图3所示的头戴式显示装置的光学系统，本实施例所提供的光学系统还包括透光镜81和透光镜82。其中，透光镜81和透光镜82分别配置在头戴式显示装置靠近人眼侧与远离人眼侧。本实施例中，透光镜81和透光镜82优选地为光学石英片，这两个透光片表面是平面或弧面的。透光镜81和透光镜82能够使得光学系统具有良好的透光性的同时，还能够形成相对封闭的空间以保护光学系统中的光学元件。
实施例五：
图7示出了本实施例中头戴式显示装置中光学系统的结构示意图。
如图7所示，本实施例所提供的头戴式显示装置中的光学系统包括：图像显示屏2、第一可反可透镜4和凹面反射镜5。其中，图像显示屏2位于第一可反可透镜4上方，凹面反射镜5位于第一可反可透镜4下方。
在工作的过程中，图像显示屏2发出的图像光信息经第一可反可透镜4透射后被凹面反射镜5反射至第一可反可透镜4，再由第一可反可透镜4反射至人眼21。同时，头戴式 显示装置外部的环境光信息则通过第一可反可透镜4透射至人眼21。
在本实施例中，第一可反可透镜4位于图像显示屏2的下方，其与图像显示屏2呈30度～60度夹角。凹面反射镜5位于第一可反可透镜4的下方，其近图像显示屏2的一面镀有全反射膜，这样图像显示屏2发出的图像光信息便可以经第一可反可透镜4透射后，被凹面反射镜5反射至第一可反可透镜4，再由第一可反可透镜4反射至人眼视网膜上形成放大的虚像。
需要指出的是，在本发明的其他实施例中，为了使图像显示屏2中内容呈现更宽的视野范围，还可以在图像显示屏2与第一可反可透镜4之间安装一第二光学放大透镜组。第二光学放大透镜组与凹面反射镜5共同构成光学放大结构，以对图像显示屏2中显示的图像内容进行放大。
同时，还需要指出的是，根据实际需要，第二光学放大透镜组既可以是单片菲涅尔透镜或多片菲涅尔透镜组合，也可以是球面透镜、非球面透镜或多个球面和/或非球面透镜的组合，亦可以是菲涅尔透镜与球面透镜和/或非球面透镜的组合，本发明不限于此。
实施例六：
图8示出了本实施例中头戴式显示装置中光学系统的结构示意图。
如图8所示，相较于实施例五所提供的头戴式显示装置中的光学系统，本实施例提供的光学系统还包括有像素屏蔽层7。其中，像素遮蔽层7位于第一可反可透镜4远离人眼的一侧，其用于根据图像显示屏显示2的图像内容在第一可反可透镜4中的投影位置，调节像素遮蔽层7对应区域的透光率。具体地，像素遮蔽层7可以是调光液晶屏或调光液晶膜，像素屏蔽层7通过在外加电场的作用下改变液晶微滴的排列分布顺序，从而实现像素级别的透光率调节。
对于该实施例所提供的头戴式显示装置来说，由于像素遮蔽层7位于第一可反可透镜4的远离人眼的一侧，因此外界环境光信息透过像素遮蔽层7后到达第一可反可透镜4。该头戴式显示装置根据图像显示屏2显示的图像内容在可反可透镜中的投影位置，调节像素遮蔽层7中与该位置对应区域的透光率。
当外界环境光较强时，像素遮蔽层7中对应区域的透光率降低，进而减少该位置区域的透光量；当外界环境光较弱时，像素遮蔽层7中对应区域的透光率提高，从而增加该位置区域的透光量。这样，像素屏蔽层7也就可以调整像素遮蔽层中对应区域在第一可反可透镜4中的投影位置的光强，这样也就可以在图像显示屏2中显示的内容与使用者的真实视觉图像进行融合时，降低由于外部环境光强度过强或过弱而导致的外部环境光 线对图像显示屏2中显示内容可见度及显示效果的影响。
实施例七：
图9示出了本实施例中头戴式显示装置中光学系统的结构示意图。
如图9所示，相较于图7所示的头戴式显示装置的光学系统，本实施例所提供的光学系统中的第一可反可透镜采用了两块胶合的直角棱镜41和直角棱镜42来实现。其中，直角棱镜41或直角棱镜42的斜面镀有可反可透膜，镀有可反可透膜的直角棱镜的斜面与图像显示屏呈30度～60度的夹角。
实施例八：
图10示出了本实施例中头戴式显示装置中光学系统的结构示意图。
如图10所示，相较于图7所示的头戴式显示装置的光学系统，本实施例所提供的光学系统中的第一可反可透镜采用了两块胶合的直角棱镜41和直角棱镜42来实现。其中，直角棱镜42与凹面反射镜为一体结构。两块直角棱镜中任意一块直角棱镜的斜面镀有可反可透膜，镀有可反可透膜的直角棱镜斜面与图像显示屏呈30度～60度的夹角，直角棱镜42的凹面上镀有全反射膜。
实施例九：
图11示出了本实施例中头戴式显示装置中光学系统的结构示意图。
如图11所示，相较于图7所示的头戴式显示装置的光学系统，本实施例所提供的光学系统还包括透光镜81和透光镜82。其中，透光镜81和透光镜82分别配置在头戴式显示装置靠近人眼侧与远离人眼侧。本实施例中，透光镜81和透光镜82优选地为光学石英片，这两个透光片表面是平面或弧面的。透光镜81和透光镜82能够使得光学系统具有良好的透光性的同时，还能够形成相对封闭的空间以保护光学系统中的光学元件。
实施例十：
图12示出了本实施例中头戴式显示装置中光学系统的结构示意图。
如图12所示，本实施例所提供的头戴式显示装置中的光学系统包括：图像显示屏2、第一可反可透镜4和第二可反可透镜6。其中，图像显示屏2位于第一可反可透镜4的上方，第二可反可透镜6位于第一可反可透镜4远离人眼21的一侧。
在工作的过程中，图像显示屏2发出的图像光信息经第一可反可透镜4反射至第二可反可透镜6后，被第二可反可透镜6反射至第一可反可透镜4，随后再经第一可反可透镜4透射至人眼21。同时，头戴式显示装置外部的环境光信息依次通过第二可反可透镜6和第一可反可透镜4透射至人眼。
本实施例中，第一可反可透镜4位于图像显示屏下方，其与图像显示屏2呈30度～60度夹角。第二可反可透镜6位于第一可反可透镜4远离人眼的一侧，第二可反可透镜6为凹面镜，其靠近第一可反可透镜4的一面镀有可反可透膜。图像显示屏2发出的图像光信息经第一可反可透镜4反射至第二可反可透镜6后，被第二可反可透镜6反射至第一可反可透镜4，随后经第一可反可透镜4透射至人眼视网膜上形成放大的虚像。
实施例十一：
图13示出了本实施例中头戴式显示装置中光学系统的结构示意图。
如图13所示，为了使图像显示屏2中内容呈现更宽的视野范围，在实施例十所示的光学系统的基础上，光学系统还可以在图像显示屏2与第一可反可透镜4之间安装第二光学放大透镜组9。第二光学放大透镜组9能够对图像显示屏2中显示的图像内容进行放大。
需要指出的是，根据实际需要，第二光学放大透镜组9既可以是单片菲涅尔透镜或多片菲涅尔透镜组合，也可以是球面透镜、非球面透镜或多个球面和/或非球面透镜的组合，亦可以是菲涅尔透镜与球面透镜和/或非球面透镜的组合，本发明不限于此。
实施例十二：
图14示出了本实施例中头戴式显示装置中光学系统的结构示意图。
如图14所示，相较于实施例十所提供的光学系统，本实施例提供的光学系统还包括有像素屏蔽层7。其中，像素遮蔽层位于7第二可反可透镜6远离人眼21的一侧，其用于根据图像显示屏2显示的图像内容在第二可反可透镜6中的投影位置，调节像素遮蔽层7对应区域的透光率。具体地，像素遮蔽层7可以是调光液晶屏或调光液晶膜，像素屏蔽层7通过在外加电场的作用下改变液晶微滴的排列分布顺序，从而实现像素级别的透光率调节。
对于该实施例所提供的头戴式显示装置来说，由于像素遮蔽层7位于第二可反可透镜6的远离人眼的一侧，因此外界环境光信息透过像素遮蔽层7后到达第二可反可透镜6。该头戴式显示装置根据图像显示屏2显示的图像内容经第一可反可透镜4反射后在第 二可反可透镜6中的投影位置，调节像素遮蔽层7中与该位置对应区域的透光率。
当外界环境光较强时，像素遮蔽层7中对应区域的透光率降低，进而减少该位置区域的透光量；当外界环境光较弱时，像素遮蔽层7中对应区域的透光率提高，从而增加该位置区域的透光量。这样，像素屏蔽层7也就可以调整像素遮蔽层中对应区域在第一可反可透镜4中的投影位置的光强，这样也就可以在图像显示屏2中显示的内容与使用者的真实视觉图像进行融合时，降低由于外部环境光强度过强或过弱而导致的外部环境光线对图像显示屏2中显示内容可见度及显示效果的影响。
实施例十三：
图15示出了本实施例中头戴式显示装置中光学系统的结构示意图。
如图15所示，相较于图12所示的头戴式显示装置的光学系统，本实施例所提供的光学系统中的第一可反可透镜采用了两块胶合的直角棱镜41和直角棱镜42来实现。其中，直角棱镜41或直角棱镜42的斜面镀有可反可透膜，镀有可反可透膜的直角棱镜斜面与图像显示屏呈30度～60度的夹角。
实施例十四：
图16示出了本实施例中头戴式显示装置中光学系统的结构示意图。
如图16所示，相较于图12所示的头戴式显示装置的光学系统，本实施例所提供的光学系统还包括透光镜81和透光镜82。其中，透光镜81和透光镜82分别配置在头戴式显示装置靠近人眼侧与远离人眼侧。本实施例中，透光镜81和透光镜82优选地为光学石英片，这两个透光片表面是平面或弧面的。透光镜81和透光镜82能够使得光学系统具有良好的透光性的同时，还能够形成相对封闭的空间以保护光学系统中的光学元件。
需要指出的是，本发明各实施例所提供的头戴式显示装置，根据图像显示屏显示内容与使用者真实视野进行叠加及融合显示的需要，可反可透镜可以具有不同的反射透射率。具体地，可反可透镜可以在表面镀有不同反射透射比例的可反可透膜，通过不同的可反可透膜调整光线透射与反射比例，例如，可反可透镜可以是半反半透镜。
同时，根据实际需要，本发明头戴式显示装置的图像显示屏可将图像进行左右分屏显示，分屏显示后的左右屏图像经光学系统的光路传输后，分别被使用者的左右眼接收。其中，图像显示屏中分屏显示的可以是格式一致的左右分屏图像，也可以是存在预设视差的左右分屏图像。具体地，当图像显示屏中分屏显示的图像是格式一致的左右分 屏图像时，使用者看到的是平面图像；当图像显示屏中分屏显示的图像是存在预设视差的左右分屏图像时，使用者看到的是具有3D效果的立体图像。
本发明头戴式显示装置的图像显示屏还可以为对应于使用者双眼的两个独立的图像显示屏，图像内容分别在两个图像显示屏中显示，两个图像显示屏中显示的图像内容经光学系统的光路传输后，分别被使用者的左右眼接收。其中，两个图像显示屏中显示的可以是格式一致的图像，也可以是存在预设视差的图像。具体地，当两个图像显示屏中显示的是格式一致的图像时，使用者看到的是平面图像；当两个图像显示屏中显示的是存在预设视差的图像时，使用者看到的是具有3D效果的立体图像。
此外，如图17所示，本发明所提供的头戴式显示装置的可反可透镜可以是由分别对应于左右眼的两片独立可反可透镜组成，也可以是一片可反可透镜由双眼共用。
需要指出的是，在本发明的不同实施例中，根据实际需要，头戴式显示装置均可通过头戴伸缩带、支撑架、头盔支架或是帽子等方式进行连接固定后佩戴在使用者头部，其中，图1和图2示出了通过头戴伸缩带9来固定在使用者头部的头戴式显示装置的结构示意图。
本发明各实施例头戴式显示装置，根据安装固定各光学系统元器件的需要，壳体内部可依具体情况设计多种支撑固定结构，用于对光学元件进行安装固定，构成对应的光学系统，在此不作限制，同时壳体的形状也可以根据需要进行设计和调整，只需满足容纳和固定本发明实施例头戴式显示装置的光学元器件的要求。
再次声明，本说明书中公开的所有特征，或公开的所有方法或过程中的步骤，除了互相排斥的特征和/或步骤以外，均可以以任何方式组合。
本说明书(包括任何附加权利要求、摘要和附图)中公开的任一特征，除非特别叙述，均可被其他等效或具有类似目的的替代特征加以替换。即，除非特别叙述，每个特征只是一系列等效或类似特征中的一个例子而已。
本发明并不局限于前述的具体实施方式。本发明可以扩展到任何在本说明书中披露的新特征或任何新的组合，以及披露的任一新的方法或过程的步骤或任何新的组合。

Claims (16)

  1. 一种头戴式显示装置，其中，所述头戴式显示装置包括：壳体以及安装于所述壳体内的一组光学系统；其中，
    所述光学系统包括：图像显示屏、第一光学放大透镜组和第一可反可透镜，所述图像显示屏位于所述第一光学放大透镜组上方，所述第一可反可透镜位于所述第一光学放大透镜组下方；
    所述光学系统的光路为：所述图像显示屏发出的图像光信息经所述第一光学放大透镜组透射后被所述第一可反可透镜反射至人眼；以及所述头戴式显示装置外部的环境光信息通过所述第一可反可透镜透射至人眼。
  2. 如权利要求1所述的头戴式显示装置，其中，所述头戴式显示装置还包括像素遮蔽层，所述像素遮蔽层位于所述第一可反可透镜远离人眼一侧，用于根据所述图像显示屏显示的图像内容在所述第一可反可透镜中的投影位置，调节像素遮蔽层对应区域的透光率。
  3. 如权利要求1或2所述的头戴式显示装置，其中，所述第一光学放大透镜组由一个或多个菲涅尔透镜组成，或者由一个或多个球面透镜和/或非球面透镜组成，或者由一个或多个菲涅尔透镜及球面透镜和/或非球面透镜组成。
  4. 一种头戴式显示装置，其中，所述头戴式显示装置包括：壳体以及安装于所述壳体内的一组光学系统；其中，
    所述光学系统包括：图像显示屏、第一可反可透镜和凹面反射镜，所述图像显示屏位于所述第一可反可透镜上方，所述凹面反射镜位于所述第一可反可透镜下方；
    所述光学系统的光路为：所述图像显示屏发出的图像光信息经所述第一可反可透镜透射后被所述凹面反射镜反射至所述第一可反可透镜，由所述第一可反可透镜反射至人眼；以及所述头戴式显示装置外部的环境光信息通过所述第一可反可透镜透射至人眼。
  5. 如权利要求4所述的头戴式显示装置，其中，所述头戴式显示装置还包括像素遮蔽层，所述像素遮蔽层位于所述第一可反可透镜远离人眼一侧，用于根据所述图像显示屏显示的图像内容在所述第一可反可透镜中的投影位置，调节像素遮蔽层对应区域的透光率。
  6. 如权利要求4或5所述的头戴式显示装置，其中，所述头戴式显示装置还包括：
    第二光学放大透镜组，其设置在所述图像显示屏与所述第一可反可透镜之间，所述第二光学放大透镜组由一个或多个菲涅尔透镜组成，或者由一个或多个球面透镜和/或非球面透镜组成，或者由一个或多个菲涅尔透镜及球面透镜和/或非球面透镜组成。
  7. 一种头戴式显示装置，其中，所述头戴式显示装置包括：壳体以及安装于所述壳体内的一组光学系统；其中，
    所述光学系统包括图像显示屏、第一可反可透镜和第二可反可透镜，所述图像显示屏位于所述第一可反可透镜上方，所述第二可反可透镜位于所述第一可反可透镜远离人眼一侧；
    所述光学系统的光路为：所述图像显示屏发出的图像光信息经所述第一可反可透镜反射至所述第二可反可透镜后，由所述第二可反可透镜反射至所述第一可反可透镜，经所述第一可反可透镜透射至人眼；以及所述头戴式显示装置外部的环境光信息依次通过所述第二可反可透镜和所述第一可反可透镜透射至人眼。
  8. 如权利要求7所述的头戴式显示装置，其中，所述头戴式显示装置还包括像素遮蔽层，所述像素遮蔽层位于所述第二可反可透镜远离人眼一侧，用于根据所述图像显示屏显示的图像内容在所述第二可反可透镜中的投影位置，调节像素遮蔽层对应区域的透光率。
  9. 如权利要求7或8所述的头戴式显示装置，其中，所述头戴式显示装置还包括：
    第二光学放大透镜组，其设置在所述图像显示屏与所述可反可透镜之间，所述第二光学放大透镜组由一个或多个菲涅尔透镜组成，或者由一个或多个球面透镜和/或非球面透镜组成，或者由一个或多个菲涅尔透镜及球面透镜和/或非球面透镜组成。
  10. 如权利要求1～9中任一项所述的头戴式显示装置，其中，所述头戴式显示装置还包括：
    用于获取所述头戴式显示装置外部图像的图像采集模块，所述图像采集模块包括一个或多个摄像头。
  11. 如权利要求10所述的头戴式显示装置，其中，所述图像采集模块包括用于获取所述头戴式显示装置外部深度图像的景深摄像头。
  12. 如权利要求11所述的头戴式显示装置，其中，所述图像采集模块还包括用于通过检测人眼眼球运动状态确定人眼视线信息的视线跟踪模块，所述视线跟踪模块包括采集人眼图像的摄像头。
  13. 如权利要求12所述的头戴式显示装置，其中，所述头戴式显示装置还包括交互控制模块，所述交互控制模块包括如下之一或组合：
    手势交互单元，其与所述图像采集模块连接，用于根据所述图像采集模块获取的手势图像，识别确定手势交互指令；
    眼动交互单元，其与所述视线跟踪模块连接，用于根据所述视线跟踪模块获取的人 眼眼球运动状态，识别确定眼动交互指令；
    体感交互单元，用于通过传感器采集人体肢体动作信息，根据获取的所述人体肢体动作信息，识别确定体感交互指令；
    语音交互单元，用于通过麦克风采集语音信息，根据获取的所述语音信息，识别确定语音交互指令。
  14. 如权利要求13所述的头戴式显示装置，其中，所述头戴式显示装置还包括供电模块，所述供电模块通过电路与所述图像显示屏、图像采集模块、视线跟踪模块和交互控制模块连接，用于通过内置或外接电源为所述头戴式显示装置供电。
  15. 如权利要求1～14中任一项所述的头戴式显示装置，其中，所述图像显示屏对图像内容进行分屏显示。
  16. 如权利要求1～15中任一项所述的头戴式显示装置，其中，所述头戴式显示装置还包括与所述壳体连接的头戴伸缩带或支撑架。
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