CN105700145A - Head-mounted image display device - Google Patents
Head-mounted image display device Download PDFInfo
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- CN105700145A CN105700145A CN201610124060.3A CN201610124060A CN105700145A CN 105700145 A CN105700145 A CN 105700145A CN 201610124060 A CN201610124060 A CN 201610124060A CN 105700145 A CN105700145 A CN 105700145A
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- 230000003287 optical effect Effects 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims description 10
- 238000003384 imaging method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000000007 visual effect Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000003190 augmentative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
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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
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- 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
- G02B27/0101—Head-up displays characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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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
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0132—Head-up displays characterised by optical features comprising binocular systems
- G02B2027/0134—Head-up displays characterised by optical features comprising binocular systems of stereoscopic type
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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
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses a head-mounted image display device including a light-through area, an image display arranged in the light-through area, a first semitransparent mirror in which a micro-hole array is arranged, a first optical element, and a second optical element, wherein image signals displayed by the image display are reflected by the first semitransparent mirror to form a first 4D optical field. The image signals displayed by the image display are diffracted by the micro-hole array of the first semitransparent mirror to form a second 4D optical field. The first 4D optical field is reflected into one eye of a wearer through the first optical element, and a first three-dimensional virtual image is formed in front of the wearer sight. The second 4D optical field is reflected into the other eye of the wearer after the second optical element treats the second 4D optical field, and a second three-dimensional virtual image is formed in front of the wearer sight. The first three-dimensional virtual image and the second three-dimensional virtual image are superposed. The head-mounted image display device only needs one image display device. The manufacture cost is low, the head-mounted image display device is light and thin and portable, and the three-dimensional projection display can be realized.
Description
Technical field
The present invention relates to stereo display technique field, particularly relate to a kind of head-mounted type image display device。
Background technology
Along with the development of science and technology, the application of head-mounted display apparatus is more and more extensive。When being applied in augmented reality Display Technique, it is necessary to head-mounted display apparatus has higher transparency and the bigger angle of visual field, and the light not entering human eye to external world produces deviation。
Head-mounted display apparatus of the prior art, for instance adopt the head-mounted display apparatus of the Technology design of holographic grating and fiber waveguide, complex manufacturing technology, cost are high, there is dispersion, and the angle of visual field is less；The Waveguideswithmicroreflector technology adopted realizes transparent effect display, and manufacture difficulty is big, cost is high, visual field is limited；Employing is low based on the intelligent glasses resolution of the integrative display fabrication techniques of microlens array, aberration greatly, does not have perspective function；Utilizing dual-projection equipment+hologram with two concave mirrors structure to realize the intelligent glasses of transparent effect, the function of focusing is fixed, do not possessed in the position of imaging surface, and relatively costly, equipment is more thick and heavy。
To sum up, how to control cost processing and manufacturing transparency and the angle of visual field to be satisfied by the head-mounted display apparatus of demand be augmented reality Display Technique field problem demanding prompt solution。
Summary of the invention
The invention provides a kind of head-mounted type image display device, solve head-mounted display apparatus manufacturing cost in prior art high, and the problem that the angle of visual field is less。
According to one aspect of the present invention, it is provided that a kind of head-mounted type image display device, including: territory, transparent zone, it is positioned at the image display in territory, transparent zone, offers the first semi-transparent semi-reflecting lens of array of orifices, the first optical element and the second optical element；Wherein, the picture signal that image display shows forms a 4D light field after the first semi-transparent semi-reflecting lens reflection, the picture signal that image display shows forms the 2nd 4D light field after the array of orifices diffraction of the first semi-transparent semi-reflecting lens, oneth 4D light field reflects in an eye of wearer through the first optical element, and form the first stereo virtual in the sight line front of wearer, 2nd 4D light field processes in the another eye that back reflection enters wearer through the second optical element, and forms the second stereo virtual in the sight line front of wearer；Wherein, the first stereo virtual and the second stereo virtual overlap。
Wherein, this head-mounted type image display device also includes the 3rd optical element, and the picture signal that image display shows forms an inverted real image after the 3rd optical element reflection, and the first semi-transparent semi-reflecting lens forms a 4D light field and the 2nd 4D light field after inverted real image is processed。
Wherein, the first optical element includes the second semi-transparent semi-reflecting lens, and the 4D light field reflected to form through the first semi-transparent semi-reflecting lens is reflexed in an eye of wearer by the second semi-transparent semi-reflecting lens, and forms the first stereo virtual in the sight line front of wearer。
Wherein, the first optical element includes the 3rd semi-transparent semi-reflecting lens and plane mirror；Wherein, the 2nd 4D light field that the array of orifices diffraction of the first semi-transparent semi-reflecting lens is formed, after plane mirror reflects, reflects then through the 3rd semi-transparent semi-reflecting lens in the another eye of wearer, and forms the second stereo virtual in the sight line front of wearer。
Wherein, territory, transparent zone includes being interconnected and the first territory, transparent zone at an angle and the second territory, transparent zone；Wherein, the junction in the first territory, transparent zone and the second territory, transparent zone is provided with the 3rd optical element, 3rd optical element includes the concave mirror of total reflection, image display is positioned at the first territory, transparent zone, and the first semi-transparent semi-reflecting lens, the first optical element and the second optical element are respectively positioned in the second territory, transparent zone；The picture signal that image display shows forms an inverted real image after concave mirror in the second territory, transparent zone。
Wherein, the imaging formula of concave mirror is:
In formula, a represents the distance between concave mirror and image display, and b represents the distance between concave mirror and inverted real image, faRepresent the focal length of concave mirror；Wherein, image display is positioned at outside concave mirror two focus length place or two focus length。
Embodiments of the invention provide the benefit that:
The picture signal that the image display of the head-mounted type image display device of the present invention shows by offer array of orifices first semi-transparent semi-reflecting lens reflection after formed a 4D light field, the picture signal that image display shows forms the 2nd 4D light field after the array of orifices diffraction of the first semi-transparent semi-reflecting lens, and be projected to respectively in the eyes of wearer, to form the stereo virtual amplified in the sight line front of wearer, this device only needs an image display device, low cost of manufacture, frivolous portable, and it is capable of stereo projection display。
Accompanying drawing explanation
Fig. 1 represents the structural representation of the head-mounted type image display device of the present invention；
Fig. 2 represents the image-forming principle schematic diagram of the head-mounted type image display device of the present invention；
Fig. 3 represents the right eye imagery principle schematic of the head-mounted type image display device of the present invention；
Fig. 4 represents the left eye image-forming principle schematic diagram of the head-mounted type image display device of the present invention。
Wherein in figure: 1, territory, transparent zone, 2, image display, the 3, first semi-transparent semi-reflecting lens, the 4, first optical element, the 5, second optical element, the 6, the 3rd optical element；
31, array of orifices；
41, the second semi-transparent semi-reflecting lens；
51, the 3rd semi-transparent semi-reflecting lens, 52, plane mirror；
61, concave mirror；
101, the first stereo virtual, the 102, second stereo virtual；
201, a 4D light field, the 202, the 2nd 4D light field。
Detailed description of the invention
It is more fully described the exemplary embodiment of the present invention below with reference to accompanying drawings。Although accompanying drawing showing the exemplary embodiment of the present invention, it being understood, however, that may be realized in various forms the present invention and should do not limited by embodiments set forth here。On the contrary, it is provided that these embodiments are able to be best understood from the present invention, and complete for the scope of the present invention can be conveyed to those skilled in the art。
Embodiment
As shown in Figures 1 to 4, The embodiment provides a kind of head-mounted type image display device, including: territory, transparent zone 1 and be positioned at the image display 2 in territory, transparent zone 1, offer the first semi-transparent semi-reflecting lens the 3, first optical element 4 and the second optical element 5 of array of orifices；Wherein, the picture signal of image display 2 display forms a 4D light field 201 after the first semi-transparent semi-reflecting lens 3 reflection, the picture signal of image display 2 display forms the 2nd 4D light field 202 after array of orifices 31 diffraction of the first semi-transparent semi-reflecting lens 3, oneth 4D light field 201 is reflected in an eye of wearer by the first optical element 4, and form the first stereo virtual 101 in the sight line front of wearer, 2nd 4D light field 202 is processed in the another eye that back reflection enters wearer by the second optical element 5, and forms the second stereo virtual 102 in the sight line front of wearer；Wherein, the first stereo virtual 101 and the second stereo virtual 102 are completely superposed。
Wherein, the picture signal of image display 2 display projects the left eye into wearer and right eye respectively after first semi-transparent semi-reflecting lens the 3, first optical element 4 offering array of orifices and the second optical element 5, and forms virtual stereo-picture in the sight line front of wearer。Wherein, the territory, transparent zone 1 of this head-mounted type image display device can be hollow free space, it is also possible to be solid transparent material, it is possible to accomplish very frivolous。Certainly, if the VR being applied to non-transparent effect shows field, it is possible to the outer surface in territory, transparent zone 1 is done opaque process, the feeling of immersion to reach the best is experienced。Image display 2 is miniature display screen curtain, is mainly used in throwing in and showing image or video information, for instance the display devices such as micro projector, laser, LED screen, DMD。The picture signal that the image display of this head-mounted type image display device shows by offer array of orifices first semi-transparent semi-reflecting lens reflection after formed a 4D light field, the picture signal that image display shows forms the 2nd 4D light field after the array of orifices diffraction of the first semi-transparent semi-reflecting lens, and be projected to respectively in the eyes of wearer, to form the stereo virtual amplified in the sight line front of wearer, this device only needs an image display device, low cost of manufacture, frivolous portable, and it is capable of stereo projection display。Wherein, the first semi-transparent semi-reflecting lens 3 being provided with the array of orifices 31 of two-dimensional directional, each aperture of array of orifices 31 is corresponding to each pixel of image display 2。
Further, as shown in Figures 1 to 4, optical module also includes the 3rd optical element 6, the picture signal of image display 2 display forms inverted real image 103 after the 3rd optical element 6 reflection, and the first semi-transparent semi-reflecting lens 3 forms 4D light field 201 and a 2nd 4D light field 202 after inverted real image 103 is processed。
Further, territory, transparent zone 1 includes being interconnected and the first territory, transparent zone at an angle and the second territory, transparent zone；Wherein, the junction in the first territory, transparent zone and the second territory, transparent zone is provided with the 3rd optical element 6,3rd optical element 6 includes the concave mirror 61 of total reflection, image display 2 is positioned at the first territory, transparent zone, and first semi-transparent semi-reflecting lens the 3, first optical element 4 and the second optical element 5 are respectively positioned in the second territory, transparent zone；Picture signal being reflected in the second territory, transparent zone and forming an inverted real image 103 through concave mirror 61 of image display 2 display。In addition, 3rd optical element 6 is except being concave mirror structure, can one be plane mirror, the spherical reflector with fixed focal length, the deformable mirror of electric control focusing or the composition element of plane mirror and zoom lens, as long as be capable of that light beam turns to, expands, the compound lens of imaging function, zoom lens or Varifocal mirror all can as the concrete structure forms of the 3rd optical element 6。
Wherein, the first optical element 4 includes the second semi-transparent semi-reflecting lens 41, and the 4D light field 201 reflected to form through the first semi-transparent semi-reflecting lens 3 is reflexed in an eye of wearer by the second semi-transparent semi-reflecting lens 41, and forms the first stereo virtual 101 in the sight line front of wearer。
Wherein, the second optical element 5 includes the 3rd semi-transparent semi-reflecting lens 51 and plane mirror 52；Wherein, the 2nd 4D light field 202 that array of orifices diffraction through the first semi-transparent semi-reflecting lens 3 is formed is reflected by plane mirror 52,2nd 4D light field 202 is reflected in the another eye of wearer by the 3rd semi-transparent semi-reflecting lens 51, and forms the second stereo virtual 102 in the sight line front of wearer。Wherein, different according to concrete application scenarios, the second semi-transparent semi-reflecting lens 41 and the 3rd semi-transparent semi-reflecting lens 51 can be glass material, polymeric material, membrane structure, the optical grating construction etc. that is integrated in optical crystal, and its position can regulate according to wearer's interpupillary distance value。
Below in conjunction with accompanying drawing, light propagation and imaging process are described further。As shown in Figures 1 to 4, image display 2 loads the picture signal play and shows, transmits in territory, transparent zone 1, under the reflection of the 3rd optical element 6 (concave mirror 61), form an inverted real image 103, wherein, imaging formula meets concave mirror image-forming principle, particularly as follows:
In formula, a represents the distance between concave mirror 61 and image display 2, and b represents the distance between concave mirror 61 and inverted real image 103, i.e. the image distance of imaging, faRepresent the focal length of concave mirror 61；Wherein, image display 2 is positioned at outside concave mirror 61 two focus length place or two focus length, so can form the big or inverted real images 103 reduced that stand upside down such as handstand。Wherein, when the focal distance f changing concave mirror 61aTime, image distance b can be changed, and then change the distance c between inverted real image 103 and the first semi-transparent semi-reflecting lens 3, ultimately result in inverted real image 103 closer or far from array of orifices 31。The distance of inverted real image 103 and the first semi-transparent semi-reflecting lens 3 determines the angle of visual field of whole device, and distance is more little, and the angle of visual field is more big, the position of focal length and image display 2 by regulating concave mirror 61, it is possible to achieve the demand of the big angle of visual field。
As shown in Figure 3, after territory, transparent zone 1 forms inverted real image 103, light beam continues to inject on the first semi-transparent semi-reflecting lens 3, at this moment a part of light reflects, diffraction is there is in a part of light by array of orifices 31, Fig. 3 show reflection photoimaging process, the light of inverted real image 103 is after the first semi-transparent semi-reflecting lens 3 reflection, owing to the first semi-transparent semi-reflecting lens 3 having array of orifices 31, so under the reflection of the first semi-transparent semi-reflecting lens 3, a 4D light field 201 is formed on the right side of it, light launches light into the second semi-transparent semi-reflecting lens 41 after the first semi-transparent semi-reflecting lens 3 reflection, wearer's right eye is entered after the reflection of the second semi-transparent semi-reflecting lens 41, thus forming the first stereo virtual 101 in the sight line front of wearer。
As shown in Figure 4, after territory, transparent zone 1 forms inverted real image 103, light beam continues to inject on the first semi-transparent semi-reflecting lens 3, at this moment a part of light reflects, diffraction is there is in a part of light by array of orifices 31, Fig. 4 is diffraction light imaging process, the light of inverted real image 103 is dispersed after array of orifices 31 diffraction, form the 2nd 4D light field 202 to the left, reflect then through plane mirror 52, the 4D light field in opposite direction with the 2nd 4D light field 202 is formed in the left side of plane mirror 52, then through entering wearer's left eye after the reflection of the 3rd semi-transparent semi-reflecting lens 51, thus forming the second stereo virtual 102 in the sight line front of wearer。
As shown in Figure 3 and Figure 4, dizzy sense is avoided in order to ensure that the stereo virtual that left eye and right eye are watched is completely superposed, namely need to ensure that the first stereo virtual 101 and the second stereo virtual 102 are equal in magnitude, the image distance then needing the first stereo virtual 101 and the second stereo virtual 102 is equal, and the optical path distance namely entering eyes is equal。
To sum up, this head-mounted type image display device image display 2 display picture signal territory, transparent zone 1 in by offer array of orifices 31 first semi-transparent semi-reflecting lens 3 reflection after formation the oneth 4D light field 201, the picture signal of image display 2 display forms the 2nd 4D light field 202 after array of orifices 31 diffraction of the first semi-transparent semi-reflecting lens 3, and be projected to respectively in the eyes of wearer, to form the stereo virtual amplified in the sight line front of wearer, this device only needs an image display device, low cost of manufacture, frivolous portable, and it is capable of stereo projection display。It is furthermore pointed out that this head-mounted type image display device can make helmet-type outward appearance, frame eyeglasses formula outward appearance also can be made。
Above-described is the preferred embodiment of the present invention; should be understood that the ordinary person for the art; can also making some improvements and modifications under without departing from principle premise of the present invention, these improvements and modifications are also in protection scope of the present invention。
Claims (6)
1. a head-mounted type image display device, it is characterised in that including: territory, transparent zone, be positioned at the image display in territory, described transparent zone, offer the first semi-transparent semi-reflecting lens of array of orifices, the first optical element and the second optical element；Wherein, the picture signal that described image display shows forms a 4D light field after described first semi-transparent semi-reflecting lens reflection, the picture signal that described image display shows forms the 2nd 4D light field after the array of orifices diffraction of described first semi-transparent semi-reflecting lens, a described 4D light field reflects in an eye of wearer through described first optical element, and form the first stereo virtual in the sight line front of described wearer, described 2nd 4D light field processes in the another eye that back reflection enters described wearer through described second optical element, and form the second stereo virtual in the sight line front of described wearer；Wherein, described first stereo virtual and described second stereo virtual overlap。
2. head-mounted type image display device according to claim 1, it is characterized in that, described head-mounted type image display device also includes the 3rd optical element, the picture signal that described image display shows forms an inverted real image after described 3rd optical element reflection, and described first semi-transparent semi-reflecting lens forms a 4D light field and the 2nd 4D light field after described inverted real image is processed。
3. head-mounted type image display device according to claim 2, it is characterized in that, described first optical element includes the second semi-transparent semi-reflecting lens, the 4D light field reflected to form through described first semi-transparent semi-reflecting lens is reflexed in an eye of wearer by described second semi-transparent semi-reflecting lens, and forms the first stereo virtual in the sight line front of described wearer。
4. head-mounted type image display device according to claim 3, it is characterised in that described first optical element includes the 3rd semi-transparent semi-reflecting lens and plane mirror；Wherein, the 2nd 4D light field that the array of orifices diffraction of described first semi-transparent semi-reflecting lens is formed is after described plane mirror reflects, reflect then through described 3rd semi-transparent semi-reflecting lens in the another eye of described wearer, and form the second stereo virtual in the sight line front of described wearer。
5. head-mounted type image display device according to claim 4, it is characterised in that territory, described transparent zone includes being interconnected and the first territory, transparent zone at an angle and the second territory, transparent zone；Wherein, the junction in described first territory, transparent zone and described second territory, transparent zone is provided with the 3rd optical element, described 3rd optical element includes the concave mirror of total reflection, described image display is positioned at described first territory, transparent zone, and described first semi-transparent semi-reflecting lens, described first optical element and described second optical element are respectively positioned in described second territory, transparent zone；The picture signal that described image display shows forms an inverted real image after described concave mirror in described second territory, transparent zone。
6. head-mounted type image display device according to claim 5, it is characterised in that the imaging formula of described concave mirror is:
In formula, a represents the distance between described concave mirror and described image display, and b represents the distance between described concave mirror and described inverted real image, faRepresent the focal length of described concave mirror；
Wherein, described image display is positioned at outside described concave mirror two focus length place or two focus length。
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| CN106526730A (en) * | 2016-11-21 | 2017-03-22 | 苏州苏大维格光电科技股份有限公司 | Wide viewing angle waveguide lens, manufacturing method and head-mounted three-dimensional display device |
| CN107065178A (en) * | 2016-12-21 | 2017-08-18 | 上海大学 | Hologram three-dimensional virtual reality glasses optical texture |
| CN109870820A (en) * | 2019-03-26 | 2019-06-11 | 成都工业学院 | Pin hole reflection mirror array integration imaging augmented reality device and method |
| CN110058415A (en) * | 2019-05-07 | 2019-07-26 | 武汉轻工大学 | Zoom Three-dimensional Display optical system and Helmet Mounted Display based on distorting lens |
| CN110955049A (en) * | 2019-11-15 | 2020-04-03 | 北京理工大学 | Off-axis reflection type near-to-eye display system and method based on small hole array |
| CN111610634A (en) * | 2020-06-23 | 2020-09-01 | 京东方科技集团股份有限公司 | Display system based on four-dimensional light field and display method thereof |
| CN112789543A (en) * | 2019-09-10 | 2021-05-11 | Lg电子株式会社 | Electronic device |
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| CN107065178A (en) * | 2016-12-21 | 2017-08-18 | 上海大学 | Hologram three-dimensional virtual reality glasses optical texture |
| CN109870820A (en) * | 2019-03-26 | 2019-06-11 | 成都工业学院 | Pin hole reflection mirror array integration imaging augmented reality device and method |
| CN109870820B (en) * | 2019-03-26 | 2023-10-17 | 成都工业学院 | Pinhole reflector array integrated imaging augmented reality device and method |
| CN110058415A (en) * | 2019-05-07 | 2019-07-26 | 武汉轻工大学 | Zoom Three-dimensional Display optical system and Helmet Mounted Display based on distorting lens |
| CN112789543A (en) * | 2019-09-10 | 2021-05-11 | Lg电子株式会社 | Electronic device |
| CN112789543B (en) * | 2019-09-10 | 2024-01-16 | Lg电子株式会社 | Electronic equipment |
| CN110955049A (en) * | 2019-11-15 | 2020-04-03 | 北京理工大学 | Off-axis reflection type near-to-eye display system and method based on small hole array |
| CN111610634A (en) * | 2020-06-23 | 2020-09-01 | 京东方科技集团股份有限公司 | Display system based on four-dimensional light field and display method thereof |
| CN111610634B (en) * | 2020-06-23 | 2022-05-27 | 京东方科技集团股份有限公司 | Display system based on four-dimensional light field and display method thereof |
| US11789287B2 (en) | 2020-06-23 | 2023-10-17 | Beijing Boe Optoelectronics Technology Co., Ltd. | Display system based on four-dimensional light field, and display method therefor |
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