CN105738981A - Lens and camera lens comprising the same and head-worn display - Google Patents
Lens and camera lens comprising the same and head-worn display Download PDFInfo
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- 230000003287 optical effect Effects 0.000 claims abstract description 65
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 210000001747 pupil Anatomy 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000001179 pupillary effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 210000001508 eye Anatomy 0.000 description 49
- 238000010586 diagram Methods 0.000 description 20
- 239000011521 glass Substances 0.000 description 7
- 210000004556 brain Anatomy 0.000 description 5
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- 230000000007 visual effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
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- 210000001525 retina Anatomy 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 210000005252 bulbus oculi Anatomy 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
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- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Abstract
The present invention discloses a lens and a camera lens comprising the same and a head-worn display. The lens is suitable for the lens of the head-worn display, and two mirror surfaces of the lens are outwards protruding aspheric lens surfaces, wherein the absolute value of the curvature radius of one aspheric lens surface is smaller than that of the other aspheric lens surface; the camera lens is formed by one lens, and the head-wearing display includes the camera lens and a display device; and the camera lens and the display device are located at the same optical axis, and the display device further includes two independent display modules. The lens and the camera lens comprising the same and the head-worn display enables the reduction of the price of the camera lens, compression of the size of camera lens and improvement of the portability of the camera lens, and moreover, are able to provide big exit pupil diameters for satisfying people's eye watching demands in the condition without regulating a pupillary distance on the basis of satisfying the function requirement of the head-worn display so as to allow users to easily use the head-worn display and have a better watch effect.
Description
Technical Field
The invention relates to the field of optical lenses, in particular to a lens with two aspheric mirror surfaces, a lens barrel with the lens and a head-mounted display with the lens barrel.
Background
A head-mounted visual device (headset display) that wears a virtual display is also called a glasses-type display or a portable cinema. The glasses type display is a popular name, and the glasses type display is shaped like glasses and can display video images of an audio and video player on a large screen, so that the glasses type display is called video glasses (video glasses) vividly. Video eyewear was originally a military requirement and applied to the military. The current video glasses are just like the mobile phone at the beginning, and can be developed rapidly under the condition of 3C fusion development in the future.
At present, the head-mounted display is in many types, but most of the head-mounted display is composed of a lens and a display, light rays are emitted from an image of the display, the light rays are collected in eyes of a wearer through the lens, the wearer receives the light rays and then images, and the formed image is located at the intersection point of the reverse extension lines of the image light rays, namely, the back position of the display. In order to implement the above process, the lens at least needs to have functions of controlling a main optical angle and controlling a field angle, and most of the existing lenses are spherical lenses, and a single spherical lens cannot simultaneously implement the above functions.
Meanwhile, the existing head-mounted three-dimensional film watching equipment in the market is basically equipment combining a mobile phone and a head-mounted optical device; because the display screen uses the mobile phone as a carrier, not only the pixels of the mobile phone display screen are limited, but also the maximum value of the display effect technically achieved is only half of the resolution of the mobile phone when 3D split screen display is performed, for example, the mobile phone screen is 1080P, the maximum value of the split screen 3D display effect achieved is only 540P, that is, the experience effect of the 3D high-definition video of the user is greatly reduced. Meanwhile, due to the limitation of the size of the screen of the mobile phone, the mobile phone displays 16 in a 3D split screen mode: when 9 double pictures are taken, the utilization rate of the mobile phone screen is lower inevitably, the movie and television pictures displayed by the double screens in the mobile phone are smaller, and the defects that the virtual picture is smaller and the immersion is low in the 3D movie watching process are directly caused.
Disclosure of Invention
The invention provides a lens, a lens barrel comprising the lens and a head-mounted display, which are used for solving the problems of insufficient view field angle, poor portability and the like through the design of a single lens; meanwhile, the user experiences the high-definition 3D visual effect through independent double-screen display.
In order to achieve the above object, the present invention provides a lens, which is suitable for a lens of a head-mounted display, wherein two mirror surfaces of the lens are convex aspheric mirror surfaces respectively;
wherein the absolute value of the radius of curvature of one of the aspheric mirror surfaces is smaller than the absolute value of the radius of curvature of the other aspheric mirror surface;
the shapes of the two aspherical mirror surfaces respectively conform to the following formulas,
wherein:
z, which is the optical axis with the surface fixed point as the reference distance along the direction of the optical axis at the position r;
r is curvature radius;
r, the lens height;
k, is the conic coefficient;
A. b, C, D, E, F, G, H, J, each is an aspherical surface coefficient of each order.
The invention also provides a lens, which is suitable for a head-mounted display and comprises a single lens, wherein two lens surfaces of the lens are convex aspheric surface lens surfaces respectively;
wherein the absolute value of the radius of curvature of one of the aspheric mirror surfaces is smaller than the absolute value of the radius of curvature of the other aspheric mirror surface;
the shapes of the two aspherical mirror surfaces respectively conform to the following formulas,
wherein:
z, which is the optical axis with the surface fixed point as the reference distance along the direction of the optical axis at the position r;
r is curvature radius;
r, the lens height;
k, is the conic coefficient;
A. b, C, D, E, F, G, H, J, each is an aspherical surface coefficient of each order.
The present invention further provides a head mounted display comprising a lens and a display device, the lens and the display device being located on the same optical axis,
the display device further comprises two independent display modules;
the lens is composed of a single lens, and two mirror surfaces of the lens are convex aspheric mirror surfaces respectively.
Preferably, in the head-mounted display as described above,
the two independent display modules are arranged in a left-right mode, wherein,
the left display module is used for displaying a left-eye image;
and the right display module is used for displaying the right eye image.
Preferably, in the head-mounted display as described above,
the size of the display module is preset;
the display screen of the display module comprises, but is not limited to, a Liquid Crystal Display (LCD), a light-emitting diode (LED) display screen and an organic light-emitting diode (OLED) display screen.
Preferably, in the head-mounted display as described above,
the display module further comprises a display control unit;
and the display control unit is used for controlling the screen display of the display module.
Preferably, in the head-mounted display as described above,
the absolute value of the curvature radius of one of the two aspheric mirror surfaces of the lens is smaller than that of the other aspheric mirror surface;
the shapes of the two aspherical mirror surfaces respectively conform to the following formulas,
wherein,
z, which is the optical axis with the surface fixed point as the reference distance along the direction of the optical axis at the position r;
r is curvature radius;
r, the lens height;
k, is the conic coefficient;
A. b, C, D, E, F, G, H, J, each is an aspherical surface coefficient of each order.
Preferably, in the head-mounted display as described above,
the effective range of the optical axis offset of the human eye relative to the lens is 0mm to 4 mm.
Preferably, in the head-mounted display as described above,
a left-eye optical system composed of a lens and a left display module, having an angle of view from 40 to 110 degrees, and forming a virtual image of a left-eye image;
a right-eye optical system composed of a lens and a right display module, having an angle of view from 40 to 110 degrees, and forming a virtual image of a right-eye image;
preferably, in the head-mounted display as described above,
the left eye optical system forms an enlarged virtual image of 1124 inches of the left eye image at a distance of 10 meters or more from the left eye; and the number of the first and second groups,
the right eye optical system forms an enlarged virtual image of 1124 inches of the right eye image 10 meters or more from the right eye.
Compared with the prior art, the invention has the following beneficial effects:
by using the lens provided by the invention, the lens and the head-mounted display comprising the lens, the functional requirements of the large-view-field head-mounted display lens can be met by a single lens; the method can be realized, and on the basis of meeting the functional requirements of the lens, the price of the lens is reduced, the volume of the lens is compressed, and the portability of the lens is improved; further can realize, on the basis of the functional requirement of satisfying head mounted display, provide big exit pupil diameter, under the condition of no adjusting the interpupillary distance, satisfy the people eye and watch the demand, the user uses head mounted display more easily, and the watching effect is better.
Drawings
FIG. 1 is a schematic diagram of a lens structure according to an embodiment of the present invention;
FIG. 2 is an optical schematic diagram of a head-mounted display according to an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a head-mounted display according to an embodiment of the invention;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is a field curvature diagram of an optical center lens aligned for a human eye according to an embodiment of the present invention;
FIG. 6 is a distortion plot of an alignment optical center lens for a human eye according to an embodiment of the present invention;
FIG. 7 is a spot diagram of a 4mm lens offset from the optical center of a human eye according to an embodiment of the present invention;
FIG. 8 is an optical block diagram of a 4mm lens offset from the optical center of the human eye according to an embodiment of the present invention;
FIG. 9 is an optical block diagram of an alignment optical center for a human eye according to an embodiment of the present invention;
FIG. 10 is a stippled chart of an optical center lens aligned for a human eye according to an embodiment of the present invention;
fig. 11 is a schematic view of virtual imaging according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
Lens embodiments
The embodiment of the invention discloses a lens which is suitable for a lens of a head-mounted display, wherein two mirror surfaces of the lens are convex aspheric mirror surfaces respectively, and for convenience of description, as shown in fig. 1, the two aspheric mirror surfaces are a first aspheric mirror surface 11 and a second aspheric mirror surface 12 respectively.
When the lens 11 is used for forming a lens of a head-mounted display: the first aspheric mirror surface 11 faces towards human eyes and is used for adjusting the angle of view, namely, the first aspheric mirror surface 11 replaces a separate lens in the existing lens and is mainly used for controlling the angle of view; the second aspherical mirror 12 is oriented towards the display, i.e. the second aspherical mirror 12 replaces the separate lens in the existing lens, which is mainly used for controlling the primary optical angle. Based on this, the lens of the present invention, which is used as a lens alone, that is, the lens is composed of a single lens, can fulfill the control requirements of the lens for the angle of field and the main optical angle.
In the embodiment of the invention, in order to realize that the single-chip lens meets the functional requirements of the lens of the head-mounted display on the control of the angle of field and the main optical angle, the absolute value of the curvature radius of one of the aspheric mirror surfaces of the lens is smaller than the absolute value of the curvature radius of the other aspheric mirror surface of the lens. Referring to fig. 1, the radius of curvature of the first aspheric mirror surface is R1, R1>0, in mm; the radius of curvature of the second aspheric mirror surface is R2, and R2< 0: -R2< R1, R2<0 indicating that the direction of the second facet curvature is opposite to the direction of the light, R2 being in the range-25 < R2< -20; in this embodiment R2 is-21.296.
The shapes of the two aspheric mirror surfaces in the embodiment of the invention respectively conform to the following formulas,
wherein:
z, which is the optical axis with the surface fixed point as the reference distance along the direction of the optical axis at the position r;
r is curvature radius;
r, the lens height;
k, is the conic coefficient;
A. b, C, D, E, F, G, H, J, each is an aspherical surface coefficient of each order.
Different head-mounted displays have different requirements on the functional parameters of the lens, and the shapes of the two aspheric mirror surfaces of the lens can be accurately determined according to the aspheric coefficients provided by a designer and the parameters such as the thickness, the edge thickness, the outer diameter and the like during design and processing.
Lens embodiments
The embodiment of the invention provides a lens which is suitable for a head-mounted display, and the lens of the embodiment is composed of a single lens.
Specifically, in this embodiment, the lens barrel is constituted by a single-piece lens, which is the same as that in the foregoing lens embodiment, and the description is not repeated.
Referring to fig. 1, the first aspheric mirror surface 11 faces the human eye for controlling the angle of view; the second aspherical mirror 12 faces the display and is used to control the primary optical angle. Therefore, the lens is formed by adopting a single lens, the functional requirements of controlling the angle of view, the main optical angle and the like can be realized, and compared with the prior lens formed by at least two lenses, the lens has lower cost and smaller volume.
Head mounted display embodiments
Referring to fig. 3-4, the present embodiment discloses a head mounted display.
Fig. 2 is an optical schematic diagram of the head-mounted display, and fig. 4 is a schematic structural diagram of the head-mounted display, specifically, the display includes a lens 2 and a display device 4, and the lens and the display device are located on the same optical axis; the display device further comprises two independent display modules; the lens is composed of a single lens, and two mirror surfaces of the lens are convex aspheric mirror surfaces respectively.
In the embodiment of the head-mounted display, when the two independent display modules are arranged left and right, as shown in fig. 4, the left display module 4L and the right display module 4R; the left display module 4L is configured to display a left-eye image; and the right display module 4R is configured to display a right eye image. The size of the display module, which is predetermined, may preferably range from 0.4 inches to 7 inches. The display screen of the display module comprises, but is not limited to, a Liquid Crystal Display (LCD), a light-emitting diode (LED) display screen and an organic light-emitting diode (OLED) display screen. The independent display module can be according to display demands such as actual product and movie & TV broadcast or game, can set up to 16 when the screen is customized: 9. 4: 3, the screen utilization rate is improved due to the fact that the sizes of the screen are different in proportion; meanwhile, the double screens are independently displayed, so that the display requirements of 3D double images can be well met, the 3D display resolution is improved, and a user can experience a high-definition 3D visual effect; the problems that the display effect of virtual pictures sensed by human eyes is poor and the experience is poor due to the fact that display pixels of a film or a game are reduced due to single-screen double-image display are effectively avoided. The display module further comprises a display control unit; and the display control unit is used for controlling the screen display of the display module.
Fig. 2 is an optical schematic diagram of a head-mounted display according to an embodiment of the invention. For better understanding of the embodiments of the present invention, first, the following is explained for the principles of stereoscopic imaging:
the difference between the two eyes is the distance between the eyes to distinguish the distance between the eyes. The two eyes of a person are separated by about 5 cm, and the angle of the two eyes will not be the same when looking at anything but aiming straight ahead. Although the difference is small, the light is transmitted to the brain through the retina, and the brain uses the small difference to generate far and near depth, thereby generating stereoscopic impression. Although one eye can see an object, the distance between the eye and the object is not easy to distinguish. According to the principle, if the same image is used to produce two images by using the difference of the visual angles of two eyes, then one side of the two eyes is used, and each eyeball sees the image of one side of the eyeball, the brain can generate depth of field stereoscopic impression by penetrating through the retina.
The images of the individual display modules 4L and 4R in fig. 4 enter the left and right eyes of a person through the lens; namely, the human eyes see the enlarged virtual image which is imaged at a certain distance in front of the human eyes after passing through the lens, and the effect of watching the large-screen high-definition 3D film in the cinema can be enjoyed.
That is, the head mounted display displays a left eye image and a right eye image on separate screens so that the eyes of the user can view a stereoscopic image by combining the two screens. The images displayed on the left-eye and right-eye display modules 4L and 4R become enlarged virtual images via the lenses. When the virtual images are focused on the retinas of the left and right eyes, they enter the brain as separate information items and are combined in the brain into one stereoscopic image.
Specifically, the lens is formed by a single-chip lens, the first aspheric mirror surface 11 faces human eyes, and the second aspheric mirror surface 12 faces the display device. The light of the display device firstly penetrates through the second aspheric mirror surface 12, the main optical angle of the light is adjusted through the second aspheric mirror surface 12, then the light enters the lens, is emitted out from the first aspheric mirror surface 11 and enters human eyes, the sight of the human eyes firstly penetrates through the first aspheric mirror surface 11, the field angle of the human eyes is adjusted through the first aspheric mirror surface 11, and then the light passes through the imaging of the lens and is positioned behind the display device.
The lens is the same as in the previous lens embodiment, i.e. it conforms to:
1. the two mirror surfaces of the lens are convex aspheric mirror surfaces, namely a first aspheric mirror surface 11 and a second aspheric mirror surface 12;
2. the absolute value of the curvature radius R1 of the first spherical mirror surface 11 is larger than the absolute value of the curvature radius R2 of the second spherical mirror surface 12;
3. the two aspherical mirror surfaces respectively conform to the following formulas,
wherein:
z, which is the optical axis with the surface fixed point as the reference distance along the direction of the optical axis at the position r;
r is curvature radius;
r, the lens height;
k, is the conic coefficient;
A. b, C, D, E, F, G, H, J, each is an aspherical surface coefficient of each order.
As shown in table one below, the specific parameter requirements for the lens of a certain model of head-mounted display, that is, the lens of the lens, for the curvature radius (R), the height square value (R), the conical coefficient (K) and the aspheric coefficient (A, B, C, D, E, F, G, H, J) parameter values of each order, respectively adopt the following data, and on this basis, in combination with the shape requirements of the two aspheric mirror surfaces being reversely outward convex and-R2 < R1, the shapes of the two aspheric mirror surfaces of the lens can be accurately determined;
watch 1
In an embodiment, the two aspheric coefficients are shown in table one: r is 0-19.7mm
| S1 | S2 | |
| R | 85.258 | -21.296 |
| K | 3.36493 | -1.03252 |
| A | -4.469e-6 | 5.266e-6 |
| B | 7.7577e-9 | -4.107e-8 |
| C | -7.137e-12 | 9.094e-11 |
| D | 1.706e-15 | -6.242e-14 |
| E | 0 | 0 |
| F | 0 | 0 |
| H | 0 | 0 |
| G | 0 | 0 |
For the head-mounted display of the model, after testing, the field curvature diagram is shown in fig. 5, the distortion diagram is shown in fig. 6, the dot sequence diagram is shown in fig. 7, the analysis is respectively carried out on the wavelengths 700nm,546.1nm and 435.8nm, and the analysis result shown in the figure shows that the field curvature of the head-mounted display of the model is within 10mm, the distortion is within 40 percent, and the light spot radius RMS is less than 0.55 mm. Therefore, the lens formed by the single lens adopted by the head-mounted display of the model completely conforms to various parameter indexes of the head-mounted display. And on the basis, the head-mounted display is lower in cost, further reduced in volume and better in portability.
Referring to fig. 8-11, the head-mounted display of the present invention employs a lens formed by a single lens, which completely meets the requirement of the head-mounted display for having a certain optical axis offset. Wherein:
fig. 8 shows an optical schematic diagram when the optical axis is shifted by 4mm, and fig. 7 shows a dot diagram analyzed by the test when the optical axis is shifted by 4 mm.
Fig. 9 shows an optical schematic diagram when the optical axis is shifted by 0mm, and fig. 10 shows a dot diagram analyzed by the test when the optical axis is shifted by 0 mm.
As can be seen from the results of the analysis shown in the figure, the RMS radius point of this model head-mounted display was less than 0.55mm at 0mm and 4mm off the optical axis, which met the quality requirements of the head-mounted display. In addition, the interpupillary distance of human eyes is generally about 4mm, so that the effective range value of the optical axis offset is 0mm to 4mm, which is enough to meet the use habit of users.
Meanwhile, in the embodiment of the invention, the observation angle range is-55 degrees to 55 degrees, specifically, corresponding observation angle parameters are set through optical design software, then the design result is optimized, the spot size of each observation angle is shown in fig. 7 and fig. 10, the field curvature and the distortion are shown in fig. 5 and fig. 6, and in the embodiment, the observation range of human eyes is a circular area with the diameter of 13 mm. See fig. 8, radius 6.5 mm; in this example, the pupil size of the simulated human eye is 5mm in diameter, see fig. 9, when the human eye is aligned with the center of the lens, the schematic diagram of the optical structure for simulating the human eye to receive light is shown in fig. 9, when the human eye is 4mm away from the optical axis, the optical structure for simulating the human eye to receive light meets the design requirement of the 13mm observation range, and when the human eye is 4mm away from the optical axis, the schematic diagram of the optical structure for simulating the human eye to receive light is shown in fig. 8, and the dot-sequence diagram of the lens; from the dot sequence of fig. 7 and fig. 10, it can be seen that the scene is very clear when the observation angle ranges from-55 degrees to 55 degrees in the observation area of 13 mm.
Referring to fig. 11, in the embodiment of the present invention, when the observation angle α is 55 degrees, a screen corresponding to 1124 inches viewed from 10 meters far can be achieved; the specific implementation calculation process is as follows:
virtual image size 2x10x1000xtg α/25.4 2x10x1000xtg55 °/25.4 1124 inches
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A lens adapted for use in a lens of a head-mounted display, comprising:
the two mirror surfaces of the lens are convex aspheric mirror surfaces respectively;
wherein the absolute value of the radius of curvature of one of the aspheric mirror surfaces is smaller than the absolute value of the radius of curvature of the other aspheric mirror surface;
the shapes of the two aspherical mirror surfaces respectively conform to the following formulas,
wherein:
z, which is the optical axis with the surface fixed point as the reference distance along the direction of the optical axis at the position r;
r is curvature radius;
r, the lens height;
k, is the conic coefficient;
A. b, C, D, E, F, G, H, J, each is an aspherical surface coefficient of each order.
2. A lens is suitable for a head-mounted display, and is characterized in that the lens is composed of a single lens, and two lens surfaces of the lens are convex aspheric surface lens surfaces respectively;
wherein the absolute value of the radius of curvature of one of the aspheric mirror surfaces is smaller than the absolute value of the radius of curvature of the other aspheric mirror surface;
the shapes of the two aspherical mirror surfaces respectively conform to the following formulas,
wherein:
z, which is the optical axis with the surface fixed point as the reference distance along the direction of the optical axis at the position r;
r is curvature radius;
r, the lens height;
k, is the conic coefficient;
A. b, C, D, E, F, G, H, J, each is an aspherical surface coefficient of each order.
3. A head-mounted display comprising a lens and a display device, said lens and said display device being located on the same optical axis,
the display device further comprises two independent display modules;
the lens is composed of a single lens, and two mirror surfaces of the lens are convex aspheric mirror surfaces respectively.
4. The head-mounted display of claim 3,
the two independent display modules are arranged in a left-right mode, wherein,
the left display module is used for displaying a left-eye image;
and the right display module is used for displaying the right eye image.
5. The head-mounted display of claim 4, wherein:
the size of the display module is preset;
the display screen of the display module comprises, but is not limited to, a Liquid Crystal Display (LCD), a light-emitting diode (LED) display screen and an organic light-emitting diode (OLED) display screen.
6. The head-mounted display of claim 3, wherein:
the display module further comprises a display control unit;
and the display control unit is used for controlling the screen display of the display module.
7. A head-mounted display as claimed in claim 3, 4, 5 or 6,
the absolute value of the curvature radius of one of the two aspheric mirror surfaces of the lens is smaller than that of the other aspheric mirror surface;
the shapes of the two aspherical mirror surfaces respectively conform to the following formulas,
wherein,
z, which is the optical axis with the surface fixed point as the reference distance along the direction of the optical axis at the position r;
r is curvature radius;
r, the lens height;
k, is the conic coefficient;
A. b, C, D, E, F, G, H, J, each is an aspherical surface coefficient of each order.
8. The head-mounted display of claim 7,
the effective range of the optical axis offset of the human eye relative to the lens is 0mm to 4 mm.
9. The head-mounted display of claim 7,
a left-eye optical system composed of a lens and a left display module, having an angle of view from 40 to 110 degrees, and forming a virtual image of a left-eye image;
the right eye optical system, which is composed of a lens and a right display module, has an angle of view from 40 to 110 degrees, and forms a virtual image of a right eye image.
10. The head mounted display of claim 7,
the left eye optical system forms an enlarged virtual image of 1124 inches of the left eye image at a distance of 10 meters or more from the left eye; and the number of the first and second groups,
the right eye optical system forms an enlarged virtual image of 1124 inches of the right eye image 10 meters or more from the right eye.
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| CN106353882A (en) * | 2016-11-14 | 2017-01-25 | 昆明物理研究所 | Near-to-eye eyepiece |
| CN107065180A (en) * | 2017-01-17 | 2017-08-18 | 浙江唯见科技有限公司 | A kind of close-coupled virtual reality near-eye display system and wear display device |
| CN108931854A (en) * | 2018-07-20 | 2018-12-04 | 青岛海信电器股份有限公司 | Adjusting method, device and the virtual reality device of the resolution ratio of virtual reality |
| CN110554596A (en) * | 2018-05-30 | 2019-12-10 | 劳力士有限公司 | Optical device for a timepiece |
| CN111025633A (en) * | 2019-12-30 | 2020-04-17 | 广州晶和光电科技有限公司 | Lens design method and device based on odd polynomial and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106353882A (en) * | 2016-11-14 | 2017-01-25 | 昆明物理研究所 | Near-to-eye eyepiece |
| CN107065180A (en) * | 2017-01-17 | 2017-08-18 | 浙江唯见科技有限公司 | A kind of close-coupled virtual reality near-eye display system and wear display device |
| CN110554596A (en) * | 2018-05-30 | 2019-12-10 | 劳力士有限公司 | Optical device for a timepiece |
| CN110554596B (en) * | 2018-05-30 | 2022-08-09 | 劳力士有限公司 | Optical device for a timepiece |
| CN108931854A (en) * | 2018-07-20 | 2018-12-04 | 青岛海信电器股份有限公司 | Adjusting method, device and the virtual reality device of the resolution ratio of virtual reality |
| CN108931854B (en) * | 2018-07-20 | 2021-08-31 | 海信视像科技股份有限公司 | Virtual reality resolution adjusting method and device and virtual reality equipment |
| CN111025633A (en) * | 2019-12-30 | 2020-04-17 | 广州晶和光电科技有限公司 | Lens design method and device based on odd polynomial and storage medium |
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Application publication date: 20160706 |