CN213934926U - Eyeball tracking module - Google Patents
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- CN213934926U CN213934926U CN202120017033.2U CN202120017033U CN213934926U CN 213934926 U CN213934926 U CN 213934926U CN 202120017033 U CN202120017033 U CN 202120017033U CN 213934926 U CN213934926 U CN 213934926U
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Abstract
The utility model provides a module is tracked to eyeball for in the virtual reality equipment, the module includes the infrared emission subassembly, infrared reflection subassembly and infrared camera subassembly, equipment includes the miniature display, the module still includes the formation of image battery of lens, the infrared emission subassembly includes infrared emitter and assembles lens, infrared emitter launches the infrared ray through assemble lens assemble and infrared reflection subassembly and eyeball's reflection back, enter into the infrared camera subassembly, infrared emitter launches the infrared ray through assemble lens assemble the back and form the pointolite on first infrared reflection unit, the reflection angle of pointolite is adjustable. According to the eyeball tracking module, the convergent lens is arranged to converge the divergent red light, the point light source is formed on the first infrared reflection unit and then uniformly irradiates the eyes of a person, the formed Purkinje spot is small, and the technical problems that in the prior art, the eyeball tracking precision is low, large aberration and distortion exist, and the image of the eyes shot by the camera at the side is deformed are solved.
Description
Technical Field
The utility model relates to an eyeball tracking technology and image processing technology field, in particular to eyeball tracking module.
Background
With the development of society, Virtual Reality technology (abbreviated as VR) is more and more mature, and the Virtual Reality technology is more and more used in life.
Currently, eyeball tracking technology is widely used in VR head-mounted display devices, and there are both integrated VR head-mounted display devices and independent eyeball tracking devices; there are many methods for eyeball tracking, but the eyeball tracking used in the virtual reality technology is mainly an optical recording method, the method adopts an infrared emitter to actively project infrared rays onto human eyes, the retina and cornea can reflect the infrared rays by utilizing the physiological characteristics of the human eyes, the infrared receiver collects the infrared rays reflected by the retina and cornea to extract eye characteristics, and the characteristic change of the human eyes is analyzed by a computer, so that the purpose of eyeball tracking is achieved;
in the prior art, infrared light is directly projected onto an eyeball by an infrared emitter, a Purkinje spot formed on the eyeball is large, the position of the pupil is not favorably determined, and the precision of eyeball tracking is reduced.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing an eyeball tracking module for it is low to solve eyeball tracking accuracy among the prior art, and there are great aberration and distortion and camera side shooting eye image simultaneously and can produce the technical problem of deformation.
The utility model provides an eyeball tracking module for in the virtual reality equipment, the module includes infrared emission subassembly, infrared reflection subassembly and infrared camera subassembly, infrared camera subassembly receive by behind the infrared emission subassembly transmission warp the infrared ray of infrared reflection subassembly reflection, equipment includes miniature display, the module still includes imaging lens group, infrared emission subassembly includes infrared emitter and locates imaging lens group keeps away from miniature display one side's convergent lens, infrared emitter with convergent lens center collineation, the infrared ray warp that infrared emitter launches converging lens converge and after the reflection of infrared reflection subassembly and eyeball, enter into in the infrared camera subassembly, infrared reflection subassembly includes first infrared reflection unit, first infrared reflection unit is located convergent lens keeps away from one side, the infrared emitter's one side, And infrared rays emitted by the infrared emitter are converged by the converging lens to form a point light source on the first infrared reflection unit, and the reflection angle of the point light source is adjustable on the first infrared reflection unit.
The eyeball tracking module builds an eyeball tracking system through the space between eyes and an imaging optical system without increasing the size, is provided with an infrared reflection assembly which is used for changing a light path and correcting aberration and distortion, so that a camera can normally shoot eyes without being placed in the middle of the eyes and image deformation is avoided, an infrared camera assembly is used for shooting the eyes, an infrared emitter emits divergent infrared light, the divergent infrared light is converged through a converging lens to form a point light source on a first infrared reflection unit, the first infrared reflection unit uniformly irradiates the eyes of a person with the infrared light as the point light source, the infrared emitter is prevented from directly projecting the infrared light onto the eyeballs, the Purkinje spot formed by the infrared emitter in the eyeballs is small, the position information of pupils is favorably determined, and the eyeball tracking precision is improved, the definition of the image is guaranteed, infrared light reflected by the reflecting unit is received by the infrared camera shooting assembly to be recorded and imaged, and the technical problems that in the prior art, the eyeball tracking precision is low, large aberration and distortion exist, and the image of the camera shooting eye part can deform are solved.
Further, the focal length of the converging lens is not more than 10 mm.
Furthermore, the infrared emitter is a miniature surface light source, and the radiation angle of the emitted infrared rays is +/-45 degrees.
Further, the converging lens converges all light rays emitted by the infrared emitter.
Further, the process infrared ray after the reflection of first infrared reflection unit evenly is paved the eyeball, the reflection unit includes the reflecting element, locates absorb light material on the reflecting element and locate absorb the infrared reflectance membrane on the light material, infrared reflectance membrane reflection infrared ray, it absorbs to absorb light material the visible light of infrared reflectance membrane transmission.
Furthermore, the infrared reflection assembly further comprises a second infrared reflection unit and a third infrared reflection unit, the imaging lens group forms the second infrared reflection unit, and the reflection angle of the third infrared reflection unit is adjustable.
Further, the lens surface of the imaging lens group close to the convergent lens is a plane, the plane and the infrared reflection film are combined to form the second infrared reflection unit, the surface type of the third infrared reflection unit is a plane, and the infrared reflection film is arranged on the surface of the plane and the surface of the third infrared reflection unit.
Furthermore, the lens surface of the imaging lens group close to the convergent lens is a curved surface, the plane and the infrared reflection film are combined to form the second infrared reflection unit, the surface of the third infrared reflection unit is a curved surface, and the infrared reflection film is arranged on the surface of the plane and the surface of the third infrared reflection unit.
Furthermore, the infrared emission assembly and the infrared camera assembly are both arranged at the edge of the imaging lens group.
Drawings
Fig. 1 is a schematic diagram of an eye tracking system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an infrared light path in an embodiment of the present invention;
fig. 3 is a schematic diagram of an embodiment of the present invention with purkinje images;
fig. 4 is a schematic structural diagram of a planar infrared reflection unit in an embodiment of the present invention;
fig. 5 is a schematic structural view of the infrared reflection unit of the curved surface in the embodiment of the present invention.
Description of the main element symbols:
the following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, an eyeball 900 tracking module in an embodiment of the present invention is shown, which is used in a virtual reality device, the module includes an infrared emitting component, an infrared reflecting component 500, and an infrared camera component 600, the infrared camera component 600 receives infrared rays emitted by the infrared emitting component and reflected by the infrared reflecting component 500, the device includes a micro display 700, the module further includes an imaging lens assembly 800, the infrared emitting component includes an infrared emitter and a converging lens 400 disposed on a side of the imaging lens assembly 800 away from the micro display 700, the infrared emitter is collinear with the center of the converging lens 400, the infrared rays emitted by the infrared emitter converge through the converging lens 400 and the infrared reflecting component 500 reflects off the eyeball 900, and enter the infrared camera component 600, infrared reflection subassembly 500 includes first infrared reflection unit 100, first infrared reflection unit 100 is located collecting lens 400 keeps away from one side of infrared emitter, and the infrared ray that infrared emitter launches passes through collecting lens 400 assembles the back and forms the pointolite on first infrared reflection unit 100, the reflection angle of pointolite is in adjustable on the first infrared reflection unit 100.
The focal length of the converging lens 400 does not exceed 10 mm. Preferably, as a specific example, the focal length of the condensing lens 400 may be 2mm or 3 mm.
The infrared emitter is a miniature surface light source, and the radiation angle of the emitted infrared rays is +/-45 degrees.
In the present application, the radiation angle of the infrared rays emitted by the infrared emitter is within ± 45 °, it should be further noted that the radiation angle of the infrared rays emitted by the infrared emitter may be, but is not limited to, within ± 45 °, and in other embodiments, the radiation angle of the infrared rays emitted by the infrared emitter may also be within ± 60 °, 70 °, or other reasonable angles, which may be selected according to practical situations. It should be further noted that the converging lens 400 can completely converge the infrared rays emitted by the infrared emitter, and when the radiation angle of the infrared rays changes, the size of the converging lens 400 is selected accordingly.
The condensing lens 400 condenses all the light rays emitted from the infrared emitter.
The eyeball 900 is uniformly paved with infrared rays reflected by the first infrared reflection unit 100, the reflection unit comprises a reflection element 110, a light absorption material 120 arranged on the reflection element 110 and an infrared reflection film 130 arranged on the light absorption material 120, the infrared reflection film 130 reflects infrared rays, and the light absorption material 120 absorbs visible light transmitted by the infrared reflection film 130.
The infrared reflection assembly 500 further includes a second infrared reflection unit 200 and a third infrared reflection unit 300, the imaging lens assembly 800 forms the second infrared reflection unit 200, and a reflection angle of the third infrared reflection unit 300 is adjustable.
As a specific example, each of the first infrared reflection unit 100 and the third infrared reflection unit 300 includes an infrared reflection element 110 and a knob structure 1100 connected to the infrared reflection element 110 and capable of adjusting a reflection angle of the infrared reflection element 110 with respect to infrared rays.
As shown in fig. 4, a lens surface of the imaging lens group 800 on a side close to the collecting lens 400 is a plane, the plane and the infrared reflective film 130 are combined to form the second infrared reflection unit 200, a surface type of the third infrared reflection unit 300 is a plane, and the infrared reflective film 130 is disposed on the plane and a surface of the third infrared reflection unit 300.
It should be further noted that, as shown in fig. 5, in another embodiment, a lens surface of the imaging lens group 800 on a side close to the collecting lens 400 may be a curved surface, the curved surface and the infrared reflective film 130 are combined to form the second infrared reflection unit 200, a surface of the third infrared reflection unit 300 is a curved surface, and the infrared reflective film 130 is disposed on the surfaces of the curved surface and the third infrared reflection unit 300.
The infrared emission component and the infrared camera component 600 are both arranged at the edge of the imaging lens group 800.
As a specific example, the present application provides an eyeball 900 tracking system, which mainly includes an infrared emission component, an infrared reflection component, and an infrared camera component, wherein the infrared emission component is composed of an infrared emitter and a converging lens 400, the infrared reflection component includes a first infrared reflection unit 100, a second infrared reflection unit 200, and a third infrared reflection unit 300, the infrared reflection component is used for changing a light path, so that a camera does not need to be placed in the middle of a human eye and can normally shoot the human eye without causing image deformation, and the infrared camera component is used for shooting the human eye; the infrared emitter emits divergent infrared light, and after passing through the converging lens 400, the converging lens 400 converges the divergent red light to ensure that the infrared light converges to the first infrared reflection unit 100, and the first infrared reflection unit 100 ensures that the infrared light uniformly irradiates eyes of a person as a point light source, and due to the physiological particularity of human eyes, the infrared light reflects, and is received, recorded and imaged by the infrared camera shooting assembly after being reflected by the eyes and reflected by the second infrared reflection unit 200 and the third infrared reflection unit 300; the eye images recorded by the present application are clear and have no deformation or distortion, and the eyeball 900 tracking system and the eyeball 900 tracking method provided by the present application can be used for accurately tracking the eyeball 900.
In this application, the module further includes a first supporting body 1200 and a second supporting body 1300, the first supporting body 1200 and the second supporting body 1300 constitute a supporting frame for the focusing lens 400, the infrared reflecting assembly 500, the infrared camera assembly 600 and the imaging lens assembly 800, and at the same time, the supporting frame further supports the microdisplay 700.
Further, first support main body 1200 and second support main body 1300 can dismantle the connection, all are equipped with magnetism and inhale the structure (not shown) at the link of first support main body 1200 and second support main body 1300, inhale the structure through two corresponding magnetism and make first support main body 1200 and second support main body 1300 dismouting convenient.
As described in detail below with respect to the structure and technology of the present application, the eyeball 900 tracking system and the eyeball 900 tracking method provided by the present application can be used in VR head-mounted display devices with various structures, and the eyeball 900 tracking system is shown in fig. 1 below.
The dotted line represents the light path schematic diagram of infrared light, the solid line represents the light path schematic diagram of light emitted by the display screen, the VR head-mounted display device optical system generally comprises a micro-display 700 and an imaging lens group 800, the light emitted by the micro-display 700 reaches the human eye through the imaging lens, the image seen by the human eye is an enlarged virtual image formed by the micro-display 700 at a far distance due to the function of the imaging lens, and the image is a strong immersion feeling for the human eye due to a large field angle, the imaging lens group 800 generally comprises one or more optical lenses, the right surface of the lens close to the human eye is used as an important unit surface of the eyeball 900 tracking system, the surface generally needs to be covered with an infrared reflection film 130, the coverage area of the infrared reflection film 130 is determined according to actual conditions, the entire right surface of the lens can be covered, and only the position where the infrared light needs to pass can be covered, the film mainly has the functions of reflecting infrared rays and transmitting visible light; the right surface of the lens is a second infrared reflection unit 200; the infrared emitter can be placed at the border position of this lens, and the subassembly of making a video recording of infrared simultaneously also can be placed at this lens edge, and the infrared emission subassembly can be one or more, and the subassembly of making a video recording of infrared also can be one or more, and its number mainly depends on whether can gather complete eye image, uses an infrared subassembly of making a video recording often, and eyeball 900 tracking system is constructed to a plurality of infrared emission subassemblies. The infrared emitting assembly is composed of an infrared emitter and a converging lens 400, the diameter of the infrared emitter is generally within 10mm, the aperture size of the converging lens 400 is required to ensure that all infrared light emitted by the infrared emitter enters the converging lens 400, and the converging lens 400 mainly has the function of converging and adjusting the direction of light so that the infrared light enters the first infrared reflecting unit 100 and then converges into a point light source. The infrared light is reflected by the first infrared reflection unit 100 and then incident to human eyes and spreads over the whole human eyes; the first infrared reflection unit 100 and the third infrared reflection unit 300 are covered by an infrared reflection film 130, and a light absorption material 120 is coated on the bottom layer of the infrared reflection film 130 to absorb the excessive stray light, the two infrared reflection units are mainly used to adjust the light path, and fig. 2 is a schematic structural diagram of only the infrared light path.
In the following, the present application is described by an example, and a general virtual reality device with an eyeball 900 tracking function has two light sources, one is visible light emitted by a screen, the wavelength range of which is 380nm-780nm and can be observed by human eyes, the other is infrared light emitted by an infrared emitter, the wavelength range of which is 800nm-1000nm and cannot be observed by human eyes but can be used for tracking characteristic changes of human eyes, and an infrared emitting component is located at the edge of a lens, which can be one or more, and is determined according to the actual optical system design and can be uniformly arranged around the edge of the lens. The infrared emitter is a micro surface light source, emits light rays with small angles, the angle of the light rays is +/-45 degrees, the light rays are converged into a point at the first infrared reflection unit 100 after passing through the converging lens 400, and the converging lens 400 can be integrated on the infrared emitter or can be designed according to the adopted infrared emitter at a later stage and installed on the infrared emitter. After the infrared point light source directly irradiates the human eye, when the human eye is photographed by using the infrared camera, an image with purkinje spot 1000 is obtained, as shown in fig. 3 below.
The smaller the purkinje spot 1000, the higher the tracking accuracy of the eyeball 900, and the function of the converging lens 400 is to converge infrared light, so that a tiny purkinje spot 1000 is formed on the eyeball 900 of the human eye, and the position of the purkinje spot 1000 does not change with the rotation of the eyeball 900, so that the purkinje spot 1000 can be used as a reference point for the change of the pupil position.
The infrared light passes through the converging lens 400 and then propagates to the first infrared reflection unit 100, which is a plane mirror, the surface of which is coated with a layer of infrared reflection film 130, the film reflects the infrared light and transmits the visible light, and the unit is placed at a certain inclination angle with the Z axis (the optical axis of the imaging optical system), the value of the angle is determined by whether the light can be uniformly propagated to human eyes, for example, when the angle is 30 degrees, the light emitted by the infrared emitter can be uniformly spread over the human eyes, and the inclination angle is 30 degrees; the first infrared reflection unit 100 is used for reflecting infrared light to human eyes, but considering that part of visible light rays can also be transmitted to the first infrared reflection unit 100, the first infrared reflection unit 100 is coated with an infrared reflection film 130 and a light absorption material 120, the infrared reflection film 130 can reflect light rays in a specified wavelength range, meanwhile, the light absorption material 120 can absorb light rays in a visible light waveband, the visible light rays can be absorbed by the light absorption material 120 after passing through the infrared reflection film 130, and stray light cannot be formed in the system; the structure of the planar infrared reflection unit is shown in fig. 4.
The infrared light is reflected by the first infrared reflection unit 100 to reach the human eye, and due to the characteristics of the human eye, the infrared light is reflected and propagates to the right surface close to the lens of the human eye, that is, the second infrared reflection unit 200, the right surface of the lens is also covered by a layer of infrared reflection film 130 for reflecting the infrared light and transmitting visible light, the surface may be a plane or a curved surface, and if the surface is a plane, no aberration or distortion is generated on the image, meanwhile, the third infrared reflection unit 300 is a plane, and if the surface is a curved surface, the surface type of the third infrared reflection unit 300 is needed to correct the aberration or distortion caused by the curved surface, and the surface type is generally obtained by performing optimization calculation on the whole optical system by optical design software, as shown in fig. 5, the infrared reflection unit is a curved surface.
The infrared light and the eye image pass through the second infrared reflection unit 200 and then reach the third infrared reflection unit 300, the surface of the third infrared reflection element 110 is also coated with a layer of infrared reflection film 130 and a layer of light absorption material 120, and the inclination angle is determined according to whether the infrared camera component can receive the eye image; the infrared light and the eye image reach the infrared camera module through the third infrared reflection unit 300, and since the infrared light reflected by the eye is imaged through the plane mirror, the image of the eye acquired by the infrared camera module is clear and has no deformation, no aberration and no distortion, and the image is analyzed through computer software, so that the characteristic change of the eye can be acquired, and the eyeball 900 tracking can be realized.
The eyeball 900 tracking system provided by the application can be integrated in VR equipment and is uniformly controlled by a central processing unit in the VR equipment.
The beneficial effect that this application produced:
(1) the provided eyeball tracking optical system cannot increase the size of the whole virtual reality equipment;
(2) the converging lens is used for converging infrared light, so that the infrared light can be uniformly incident to human eyes in a point light source mode through the first infrared reflection unit, the human eyes are illuminated by the infrared light, meanwhile, tiny Purkinje spots are formed on the human eyes, the dynamic characteristics of eyeballs can be tracked accurately, stray light emitted by the infrared emitter can be removed by the converging lens, if the converging lens is not arranged, marginal light rays emitted by the infrared emitter can be reflected to be imaged on the infrared camera module, and the light rays are not needed for the eyeballs to track;
(3) the first infrared reflection unit can adjust the inclination angle according to the optical requirement of the whole eyeball tracking, and ensures that infrared light can uniformly irradiate human eyes;
(4) the surface shape of the third infrared reflection unit can be designed according to the surface shape close to the right surface of the human eye lens, and is used for correcting aberration and distortion generated by the lens;
(5) the infrared light that infrared emitter sent is through the optical system that this application designed, and the eye image undistorted that the subassembly acquireed of making a video recording, the eyeball tracking system that this application provided adopts reflection principle formation of image, adopts the infrared reflection unit of third cooperation second infrared reflection unit to rectify aberration and distortion simultaneously, so the eye image that the module was shot is clear not have the deformation to infrared camera, can be used to the dynamic characteristics of tracking the eye accurately.
To sum up, the eyeball tracking module in the above embodiment of the present invention, which constructs the eyeball tracking system through the space from the eyes to the imaging optical system without increasing the size, is provided with the infrared reflection assembly for changing the optical path and correcting the aberration and distortion, so that the camera can normally shoot the eyes without being placed in the middle of the eyes, and does not cause image deformation, the infrared camera assembly is used for shooting the eyes, the infrared emitter emits the diffused infrared light, after passing through the converging lens, the converged processing is performed on the diffused red light, a point light source is formed on the first infrared reflection unit, the first infrared reflection unit uniformly irradiates the infrared light to the eyes of the person as the point light source, thereby preventing the infrared emitter from directly projecting the infrared light to the eyes, so that the purl spot formed by the infrared emitter in the eyes is very small, and is favorable for determining the position information of the pupil, the accuracy that eyeball tracked is improved, has guaranteed the definition of image, and the infrared light after reflection unit reflection is received by infrared camera subassembly and is recorded the formation of image, has solved eyeball tracking accuracy among the prior art and has been low, has great aberration and distortion simultaneously and camera side shooting eye image can produce the technical problem of deformation.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. The utility model provides an eyeball tracking module for among the virtual reality equipment, a serial communication port, the module includes infrared emission subassembly, infrared reflection subassembly and infrared camera shooting subassembly, infrared camera shooting subassembly receive by infrared emission subassembly transmission back warp the infrared ray of infrared reflection subassembly reflection, equipment includes miniature display, the module still includes imaging lens group, infrared emission subassembly includes infrared emitter and locates imaging lens group keeps away from the convergent lens of miniature display one side, infrared emitter with convergent lens center collineation, the infrared ray that infrared emitter launches warp convergent lens converge and infrared reflection subassembly and eyeball's reflection back enter into in the infrared camera shooting subassembly, infrared reflection subassembly includes first infrared reflection unit, first infrared reflection unit is located convergent lens keeps away from one side of infrared emitter, And infrared rays emitted by the infrared emitter are converged by the converging lens to form a point light source on the first infrared reflection unit, and the reflection angle of the point light source is adjustable on the first infrared reflection unit.
2. The eye tracking module of claim 1 wherein the focal length of the converging lens is no more than 10 mm.
3. The module of claim 1, wherein the infrared emitter is a micro-area light source emitting infrared rays with an angle of ± 45 °.
4. The module of claim 1, wherein the converging lens converges all light emitted from the infrared emitter.
5. The module for tracking eyeball according to claim 1, wherein the infrared ray reflected by the first infrared reflection unit is uniformly spread over the eyeball, the reflection unit comprises a reflection element, a light absorption material disposed on the reflection element, and an infrared reflection film disposed on the light absorption material, the infrared reflection film reflects the infrared ray, and the light absorption material absorbs the visible light transmitted by the infrared reflection film.
6. The module of claim 5, wherein the infrared reflection assembly further comprises a second infrared reflection unit and a third infrared reflection unit, the imaging lens assembly forms the second infrared reflection unit, and a reflection angle of the third infrared reflection unit is adjustable.
7. The module for tracking eyeball according to claim 6, wherein the lens surface of the imaging lens group on the side close to the convergent lens is a plane, the plane and the infrared reflection film are combined to form the second infrared reflection unit, the surface of the third infrared reflection unit is a plane, and the infrared reflection film is arranged on the surface of the plane and the surface of the third infrared reflection unit.
8. The module for tracking eyeball according to claim 7, wherein the lens surface of the imaging lens group on the side close to the convergent lens is a curved surface, the flat surface and the infrared reflection film are combined to form the second infrared reflection unit, the third infrared reflection unit is a curved surface, and the infrared reflection film is arranged on the surfaces of the flat surface and the third infrared reflection unit.
9. The module of claim 1, wherein the infrared emitter assembly and the infrared camera assembly are disposed at an edge of the imaging lens assembly.
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| CN202120017033.2U CN213934926U (en) | 2021-01-05 | 2021-01-05 | Eyeball tracking module |
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| CN202120017033.2U CN213934926U (en) | 2021-01-05 | 2021-01-05 | Eyeball tracking module |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589940A (en) * | 2021-08-17 | 2021-11-02 | 业成科技（成都）有限公司 | Human eye tracking system and virtual reality display device |
| CN113703572A (en) * | 2021-08-25 | 2021-11-26 | 京东方科技集团股份有限公司 | Electronic device, control method, control apparatus, and storage medium |
| CN113933999A (en) * | 2021-10-22 | 2022-01-14 | 小派科技（上海）有限责任公司 | Eyeball-tracking optical device, optical system, display device, and display system |
| WO2023246814A1 (en) * | 2022-06-21 | 2023-12-28 | 北京七鑫易维信息技术有限公司 | Eyeball tracking optical system and head-mounted device |
| WO2023246815A1 (en) * | 2022-06-21 | 2023-12-28 | 北京七鑫易维信息技术有限公司 | Eyeball tracking optical system and head-mounted device |
| WO2024067657A1 (en) * | 2022-09-29 | 2024-04-04 | 北京七鑫易维信息技术有限公司 | Eye tracking system and device |
-
2021
- 2021-01-05 CN CN202120017033.2U patent/CN213934926U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589940A (en) * | 2021-08-17 | 2021-11-02 | 业成科技（成都）有限公司 | Human eye tracking system and virtual reality display device |
| CN113589940B (en) * | 2021-08-17 | 2023-11-14 | 业成科技（成都）有限公司 | Eye tracking system and virtual reality display device |
| CN113703572A (en) * | 2021-08-25 | 2021-11-26 | 京东方科技集团股份有限公司 | Electronic device, control method, control apparatus, and storage medium |
| CN113703572B (en) * | 2021-08-25 | 2024-02-09 | 京东方科技集团股份有限公司 | Electronic device, control method, control apparatus, and storage medium |
| CN113933999A (en) * | 2021-10-22 | 2022-01-14 | 小派科技（上海）有限责任公司 | Eyeball-tracking optical device, optical system, display device, and display system |
| CN113933999B (en) * | 2021-10-22 | 2023-09-19 | 小派科技（上海）有限责任公司 | Eyeball tracking optical device, optical system, display device and display system |
| WO2023246814A1 (en) * | 2022-06-21 | 2023-12-28 | 北京七鑫易维信息技术有限公司 | Eyeball tracking optical system and head-mounted device |
| WO2023246815A1 (en) * | 2022-06-21 | 2023-12-28 | 北京七鑫易维信息技术有限公司 | Eyeball tracking optical system and head-mounted device |
| WO2024067657A1 (en) * | 2022-09-29 | 2024-04-04 | 北京七鑫易维信息技术有限公司 | Eye tracking system and device |
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