CN111158149A - Display system and portable 3D display intelligent glasses - Google Patents
Display system and portable 3D display intelligent glasses Download PDFInfo
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- CN111158149A CN111158149A CN202010072570.7A CN202010072570A CN111158149A CN 111158149 A CN111158149 A CN 111158149A CN 202010072570 A CN202010072570 A CN 202010072570A CN 111158149 A CN111158149 A CN 111158149A
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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
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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
- G02B27/0176—Head mounted characterised by mechanical features
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- 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
- G02B2027/0123—Head-up displays characterised by optical features comprising devices increasing the field of view
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
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- 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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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
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- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
Abstract
The invention discloses a display system and portable 3D display intelligent glasses, wherein an optical waveguide substrate of the display system and an image source are arranged on the optical waveguide substrate, and an input grating, a folding grating and an output grating are arranged on the optical waveguide substrate; the input grating is positioned at the light input end of the folding grating, and the output grating is positioned at the light output end of the folding grating; light of the image source is diffracted into the optical waveguide substrate by the input grating, is transmitted to the folding grating in the optical waveguide substrate at an angle larger than a total reflection angle, and is output to a visual image through the output grating, so that the problems that the conventional AR equipment is too large and heavy in size and cannot be folded and stored are solved, the operability is high, the equipment structure is simple, the mass production can be realized, and the cost is low.
Description
Technical Field
The invention relates to the technical field of composite materials, in particular to a display system and portable 3D display intelligent glasses.
Background
The smart glasses refer to glasses equipment which has an independent operating system and can be provided with various programs such as software and games like a smart phone. The virtual information can be superimposed on a real scene, namely a mixed reality technology. The crystal is a crystal which is rapidly developed in the scientific fields of computer software and hardware technology, sensing technology, robot technology, artificial intelligence, behavior psychology and the like. Can be widely applied to the fields of medicine, entertainment and art, military and aerospace, management engineering, indoor design, industrial simulation, games, education and the like.
Due to the unique technical superiority, many manufacturers develop the intelligent glasses at present, and the image projected by an image source is generally 2D; there are several means for realizing 3D display: the method comprises the steps that first, left and right eyes respectively project two image source information, and the two image sources respectively display images with parallax on the left and right eyes, so that the purpose of 3D display is achieved; secondly, playing the image sources shot by the two cameras through the two image sources by adopting a polarization beam splitting method, and adding two polarizing films with vertical polarization axes in front of eyes when a user uses the device, so that information corresponding to left and right eyes enters the corresponding eyes, and the effect of 3D display is achieved; thirdly, adopting a grating mode, and respectively sending the information of the left eye and the right eye to the corresponding eyes according to the principle; and fourthly, the holography mode records the amplitude and the phase of the object light by utilizing the interference of the optical wave, and when the interference image is viewed, the reference light is used for irradiating the interference image to form a 3D image, and the image is all information of the object, so that the 3D image can be viewed by naked eyes.
The above techniques have certain limitations: in the first method, two image sources are required to display the same image, if the two images do not enter the left eye and the right eye of a person at the same time, disastrous results can be generated, and in addition, the preparation of the image source with parallax is very complicated; the second method is generally used in a cinema and cannot be used on intelligent glasses; the third method is generally used on a television or a mobile phone tablet and other terminals, cannot be applied to intelligent glasses, and in addition, the definition of an image source is poor by using the technology; in the method IV, dynamic images cannot be displayed, the refreshing frequency and the storage space of the conventional hologram are very limited, the commonly displayed hologram is static, two image sources are respectively installed on the glasses legs of mainstream binocular projection intelligent glasses, information of the image sources enters the display module of the glasses after being collimated by the relay system and then enters the human eyes through the display module, and therefore the glasses legs of the intelligent glasses cannot be folded like common glasses, and the size of the intelligent glasses is large. In addition, AR glasses on the market all need to join in marriage a pair of vision correction glasses in addition at present, to the user of different degrees, need to be equipped with multiple different correction lenses.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a display system and portable 3D display intelligent glasses, so as to solve the problems that the existing AR equipment is too large in size, heavy and incapable of being folded and stored, and has the advantages of high operability, simple equipment structure, mass production and low cost.
According to one aspect of the invention, a display system is provided, which comprises an optical waveguide substrate and an image source, wherein the optical waveguide substrate is provided with an input grating, a folding grating and an output grating;
the input grating is positioned at the light input end of the folding grating, and the output grating is positioned at the light output end of the folding grating;
the light of the image source is diffracted into the optical waveguide matrix by the input grating, is transmitted to the folding grating in the optical waveguide matrix at an angle larger than a total reflection angle, and outputs a visible image through the output grating.
Further, the input grating comprises an upper electric control grating and a lower electric control grating which are superposed, and the upper electric control grating and the lower electric control grating are all transparent holographic polymer dispersed liquid crystal gratings after being electrified;
the optical waveguide substrate is provided with a folding grating and an output grating on the left side and the right side of the input grating, the light diffraction direction of the upper electric control grating is rightward, and the light diffraction direction of the lower electric control grating is leftward.
Furthermore, the holographic polymer dispersed liquid crystal grating is an electrically controllable polymer dispersed liquid crystal grating which is a transparent flat plate when electrified and is a grating when not electrified.
Furthermore, the number of layers of the upper electric control grating and the lower electric control grating is n, and n is more than or equal to 1.
Furthermore, an electric control zooming device which is in grid-electrode fit with the output light is arranged on the optical waveguide substrate.
Furthermore, the electronic control zoom device is an electronic control liquid crystal lens and comprises two glass substrates, the two glass substrates are packaged through a sealing element to form a liquid crystal box, a polymer liquid crystal material is packaged in the liquid crystal box and comprises liquid crystal with birefringence and a polymer with the same refractive index as that of ordinary light of the liquid crystal, one surface of each glass substrate is an electrode surface, the corresponding electrode surfaces of the glass substrates are respectively used as inner surfaces of the glass substrates, a transparent conductive film is arranged on each inner surface, Fresnel wave band patterns are etched on the transparent conductive film, and the focal length of the polymer liquid crystal material is continuously changed by controlling the voltage applied to the electrode surfaces, so that light can be converged or dispersed according to Fresnel wave bands when passing through the polymer liquid crystal material;
or
The electronic control zoom device is an electronic control liquid lens and comprises a frame, wherein the frame is connected with a frame, an elastic film is arranged at the top end of the frame, a resin sheet is arranged at the bottom end of the frame, filling liquid is filled in the frame, a liquid storage bin is arranged in the frame and is communicated with the frame, and a moving mechanism is arranged in the liquid storage bin.
Further, the image source is any one of an LCOS image source, an OLED image source, a micro LED image source, an LCD image source, an SLM and a DMD image source.
Compared with the prior art, the invention has the following beneficial effects: light takes place diffraction many times in folding grating area in to folding grating propagation process, and every diffraction all can produce a light of propagating to output grating direction, and light propagates output light on the output grating, because there is the light of multibeam top to bottom, consequently it is a two-dimensional array to export on the output grating, carries out two-dimentional expansion to entrance pupil light promptly, has enlarged visual area.
According to another aspect of the present invention, there is provided portable 3D display smart glasses, including a frame,
the glasses frame comprises a glasses frame and glasses legs, and the glasses legs are connected with the glasses frame through a hinge device;
the mirror frame comprises a nose support and a mirror ring for mounting the 3D display system, wherein the image source is positioned on the nose support.
Further, the support frame comprises a nose support and a lens ring for mounting the optical waveguide substrate;
the nose pad is provided with an image source and a relay system, and the relay system collimates light of the image source and irradiates the collimated light on the input grating.
Furthermore, the glasses legs comprise an external frame and an internal circuit, and a loudspeaker and an audio interface are arranged on the external frame; the hinge device is of a hollow structure, and the wires of the relay system and the 3D display system are connected with the internal circuit in the glasses legs through the hinge device.
Compared with the prior art, the invention has the following beneficial effects: transfer the image source to the nose by the mirror leg and hold in the palm, two image sources of the eye about will being reduced into one simultaneously, binocular image obtains to be the image source realization of the eye image about input grating cooperation high frequency refresh of work in turn on the optical waveguide base member, can effectively reduce equipment weight, no optical system in the mirror leg simultaneously, consequently, possess folding characteristic, consequently when not using, fold, the space that effectively reduces equipment occupies, conveniently carry, the eyesight correction module behind the output grating can be corrected to eyes about different eyesight defect users, do not need other accessories.
Drawings
Fig. 1 is a schematic light propagation diagram of a portable 3D display smart glasses;
FIG. 2 is a schematic diagram of a display system;
FIG. 3 is a diagram showing an electrical control state of an input grating during system display;
FIG. 4 is a diagram showing an electrical control state of an input grating during system display;
fig. 5 is a schematic structural diagram of portable 3D display smart glasses;
FIG. 6 is a schematic view of the nose pad;
FIG. 7 is a schematic structural diagram of an electrically controlled liquid crystal lens;
fig. 8 is a schematic structural diagram of an electrically controlled liquid lens.
In the figure: 1. a mirror frame; 2. a temple; 3. a nose pad; 4. a hinge device; 001. parallel light; 011 + 013 light;
200. an optical waveguide substrate; 201. inputting a grating; 202. an electric control grating is arranged; 203. a lower electric control grating; 211. folding the grating; 221. outputting a grating;
310. an LED chip; 320. a polarization splitting prism; 330. a relay system; 340. an image source;
400. an electrically controlled zoom device; 411. a glass substrate; 421. a transparent conductive film; 430. a polymeric liquid crystal material; 440. a frame; 450. filling liquid; 460. an elastic film; 470. a moving mechanism; 480. a resin sheet; 490. a liquid storage bin.
Detailed Description
In order to better understand the technical scheme of the invention, the invention is further explained by combining the drawings and the specific embodiments in the specification.
Example 1:
a display system comprises an optical waveguide substrate 200, wherein an input grating 201, a folding grating 211 and an output grating 221 are arranged on the optical waveguide substrate 200, the optical waveguide substrate 200 is a guide structure which is formed by optical transparent media (such as quartz glass) and transmits optical frequency electromagnetic waves, the input grating 201 is preferably coupled with the input grating, and the output grating 221 is preferably coupled with the output grating; the input grating 201 is located at the light input end of the folded grating 211, and the output grating 221 is located at the light output end of the folded grating 211;
as an alternative, the input grating 201 includes an upper electric control grating 202 and a lower electric control grating 203 which are superimposed, the upper electric control grating 202 and the lower electric control grating 203 are both transparent holographic polymer dispersed liquid crystal gratings after being electrified, the number of layers of the upper electric control grating 202 and the lower electric control grating 203 is n, n is greater than or equal to 1, the holographic polymer dispersed liquid crystal gratings are electrically controllable polymer dispersed liquid crystal gratings, and are transparent flat plates when being electrified and gratings when not being electrified; the light diffraction direction of the upper electric control grating 202 is rightward, the light diffraction direction of the lower electric control grating 203 is leftward, the light waveguide substrate is provided with folding gratings and output gratings on the left and right sides of the input grating, the two gratings are in an alternating power-up state, light of an image source 340 is diffracted to the light waveguide substrate 200 by the input grating 201, the light is transmitted to the folding gratings 211 in the light waveguide substrate 200 at an angle larger than a total reflection angle and is output to a visible image through the output gratings 221, the light is transmitted in the light waveguide substrate 200 at an angle larger than the total reflection angle through the gratings, the gratings have diffraction characteristics, the diffraction angle is larger than the total reflection angle of the light waveguide substrate, and the image source 340 is any one of an image source, an OLED image source, a micro LED image source, an LCD image source, an SLM image source and a DMD image source; when the device is used, the alternating power-on frequency of the electric control grating is not less than 120HZ, the image source 340 outputs left and right eye images at the frequency above 120HZ, so that the image seen by eyes is above 60HZ, and the left and right eye images are synthesized into a 3D image in the brain through human eyes.
Further preferably, the optical waveguide substrate 200 is further provided with an electrically controlled zoom device 400 which is matched with the output grating 221, the zoom module is located between the human eyes and the output grating, where the matching means that the zoom module can cover the output grating, and the zoom module can be attached to the output grating or spaced from the output grating by an air gap of several millimeters.
The electrically controlled zoom apparatus 400 may be an electrically controlled liquid crystal lens or an electrically controlled liquid lens, and particularly, when the electrically controlled zoom apparatus 400 is an electrically controlled liquid crystal lens, comprises two glass substrates 411, the two glass substrates 411 are sealed by a sealing member to form a liquid crystal box, the liquid crystal box is internally packaged with a polymer liquid crystal material 430, one surface of the glass substrate 411 is an electrode surface, the glass substrate 411 respectively takes the corresponding electrode surface as the inner surface, the inner surface is provided with a transparent conductive film 421, a specific pattern, such as a circular hole or a fresnel zone pattern, is etched on the transparent conductive film 421, the focal length of the polymer liquid crystal material 430 is continuously changed by controlling the magnitude of the voltage applied to the electrode surface, so that light rays can be converged or diverged according to Fresnel wave bands when passing through the polymer liquid crystal material 430, and liquid crystal molecules have different rotating amplitudes and different focal lengths when different voltages are applied; the polymer liquid crystal material 430 comprises liquid crystal with birefringence and polymer with the same refractive index as that of ordinary light or extraordinary light of the liquid crystal, and comprises 35-45 parts by weight of liquid crystal, 35-45 parts by weight of polymer, 8-12 parts by weight of initiator and 8-12 parts by weight of surfactant, and the polymer can be selected from a polymer library according to refractive index requirements. If the thickness of the liquid crystal cell is 5-15 μm, the transparency is higher even if the refractive index of the polymer and the liquid crystal are not matched, so that the refractive index of the polymer can be the same as the ordinary refractive index or the extraordinary refractive index of the liquid crystal, and the liquid crystal cell is equivalent to a glass plate when not being defocused (not being electrified); the polymer of the embodiment preferably has the same refractive index as the ordinary light of the liquid crystal, so that the liquid crystal box is in a transparent state when not in work, and the energy consumption is reduced. When the electrically controlled zoom apparatus 400 is an electrically controlled liquid lens, it includes a frame 440, a filling liquid 450, an elastic film 460, a moving mechanism 470, a resin sheet 480, and a liquid storage chamber 490, the frame 440 is connected with the frame 1, the frame 440 is injected with filling liquid 450, the frame 1 is provided with a liquid storage chamber 490, a moving mechanism 470 is arranged in the liquid storage bin 490, the liquid storage bin 490 is communicated with a frame 440, the top end of the frame 440 is provided with an elastic film 460, the bottom end of the frame 440 is provided with a resin sheet 480, the movement of the moving mechanism 470 can be realized by an electric control motor, the volume of the liquid in the liquid storage bin 490 can be controlled by controlling the moving mechanism 470, the curvature of the elastic film 460 is controlled, so that the focal length is controlled, the electric control zooming module is used for diopter correction, and is suitable for being worn by myopia and hyperopia users, and one set of system can meet the requirements of all users and avoid preparing various different correcting lenses.
As shown in fig. 1-3, taking the LCOS source as an example, the input grating 201 is energized, the light 001 of the LCOS source is diffracted to the optical waveguide substrate 200 by the input grating 201, and propagates to the folding grating 211 at an angle larger than the total reflection angle in the optical waveguide substrate 200, specifically, when the image output by the image source 340 is a left-eye image, only the upper electrically controlled grating 202 is energized, the light 001 is diffracted to the optical waveguide substrate 200 by the grating, and propagates to the left in the optical waveguide substrate 200 at an angle larger than the total reflection angle, that is, the light 011, during the leftward propagation, multiple diffractions occur in the area of the folding grating 211, each diffraction generates a downward propagating light, so that the light 011 is deflected by the folding grating 211, the direction is downward formed into the light 012, the light 012 propagates downward in the waveguide at an angle larger than the total reflection angle, the visible image is output when the light 012 propagates to the output grating 221, because there are multiple beams of light from top to bottom in the light propagation process, a two-dimensional array is output on the output grating 221, i.e., the entrance pupil is expanded two-dimensionally, and the visible area is expanded; similarly, when only the lower electrically controlled grating 203 is energized, the light 001 is diffracted by the grating into the optical waveguide substrate 200 and propagates rightward in the optical waveguide substrate 200 at an angle greater than the angle of total reflection.
When the display system is applied to 3D display intelligent glasses, the display system comprises a glasses frame, wherein the glasses frame comprises a glasses frame 1 and glasses legs 2, and the glasses legs 2 are connected with the glasses frame 1 through a hinge device 4 (such as a hinge); the spectacle frame 1 comprises a nose support 3 and a spectacle ring for mounting the 3D display system; the image source 340 is located on the nose pad 3, the image source 340 is a camera, digital information can be superimposed on the basis of a real scene through the camera, the real scene is firstly obtained, for example, face recognition and vehicle license plate recognition are carried out through intelligent glasses, firstly, an external image is collected in real time through the camera, and then, characteristic recognition is carried out on the image (the prior art, repeated description is omitted). Still be equipped with relay system 330 on nose pad 3, relay system 330 shines after the light collimation of image source 340 on input grating 201, and LCOS image source includes polarization beam splitter prism 320 and LED chip 310 in this embodiment, and the light that LED chip 310 sent shines on the LCOS chip through polarization beam splitter prism 320, and the light that the LCOS chip returns and has image information is collimated into parallel light 001 through relay system 330.
The glasses leg 2 comprises an external frame and an internal circuit, a loudspeaker and an audio interface are arranged on the external frame, the hinge device 4 is of a hollow structure, wires of the relay system 330 and a 3D display system are connected with the internal circuit in the glasses leg 2 through the hinge device 4, the image source 340 is transferred from the glasses leg 2 to the nose bridge 3 by the equipment, and the two image sources 340 of the left eye and the right eye are reduced to one, so that the chip and the relay system 330 are reduced, the weight of the equipment can be effectively reduced, and meanwhile, because the glasses leg 2 is free of the optical system, the folding characteristic is achieved, so that when the equipment is not used, the folding is carried out, the space occupation of the equipment is effectively reduced, and the carrying is convenient.
When the optical waveguide device is used, the folded grating 211 and the output grating 221 are arranged on the left side and the right side of the input grating 201 of the optical waveguide substrate 200, the output gratings 221 on the two sides respectively correspond to the left pupil and the right pupil of an eye, the output grating 221 is located below the folded grating 211, multiple diffraction occurs in the area of the folded grating 211 in the process of transmitting light to the folded grating 211, each diffraction can generate light 012 transmitting to the direction of the output grating 221, the light 012 is transmitted to the output grating 221 to output light 013, and due to the fact that multiple beams of light from top to bottom exist, a two-dimensional array is output on the output grating 221, namely the entrance pupil is expanded in two dimensions, and the visible area is expanded.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. A display system, comprising
The optical waveguide device comprises an optical waveguide substrate and an image source, wherein the optical waveguide substrate is provided with an input grating, a folding grating and an output grating;
the input grating is positioned at the light input end of the folding grating, and the output grating is positioned at the light output end of the folding grating;
the light of the image source is diffracted into the optical waveguide matrix by the input grating, is transmitted to the folding grating in the optical waveguide matrix at an angle larger than a total reflection angle, and outputs a visible image through the output grating.
2. The display system of claim 1, wherein the input grating comprises an upper electrically controlled grating and a lower electrically controlled grating which are superposed, and the upper electrically controlled grating and the lower electrically controlled grating are both holographic polymer dispersed liquid crystal gratings which are transparent after being electrified;
the optical waveguide substrate is provided with a folding grating and an output grating on the left side and the right side of the input grating, the light diffraction direction of the upper electric control grating is rightward, and the light diffraction direction of the lower electric control grating is leftward.
3. The display system of claim 2 wherein the holographic polymer dispersed liquid crystal grating is an electrically controllable polymer dispersed liquid crystal grating, transparent plate when energized and grating when not energized.
4. The display system as claimed in claim 2, wherein the number of the upper electrically controlled grating and the lower electrically controlled grating is n, and n is greater than or equal to 1.
5. A display system as claimed in claim 1, wherein the light guide substrate is provided with electrically controllable zoom means for electrically cooperating with the output light grid.
6. The display system according to claim 5, wherein the electrically controlled zoom device is an electrically controlled liquid crystal lens comprising two glass substrates, the two glass substrates are sealed by a sealing member to form a liquid crystal cell, the liquid crystal box is internally encapsulated with polymer liquid crystal material, the polymer liquid crystal material comprises liquid crystal with birefringence and polymer with the same refractive index as the ordinary light refractive index or the extraordinary light refractive index of the liquid crystal, one surface of the glass substrate is an electrode surface, the glass substrate takes the corresponding electrode surface as an inner surface, the inner surface is provided with a transparent conductive film, Fresnel wave band patterns are etched on the transparent conductive film, the focal length of the polymer liquid crystal material is changed by controlling the magnitude of the voltage applied to the electrode surface, so that light rays can be converged or diverged according to Fresnel wave bands when passing through the polymer liquid crystal material;
or
The electronic control zoom device is an electronic control liquid lens and comprises a frame, wherein the frame is connected with a frame, an elastic film is arranged at the top end of the frame, a resin sheet is arranged at the bottom end of the frame, filling liquid is filled in the frame, a liquid storage bin is arranged in the frame and is communicated with the frame, and a moving mechanism is arranged in the liquid storage bin.
7. The display system of claim 1, wherein the image source is any one of an LCOS image source, an OLED image source, a micro led image source, an LCD image source, an SLM image source, a DMD image source.
8. A pair of portable 3D display intelligent glasses is characterized by comprising a glasses frame,
the glasses frame comprises a glasses frame and glasses legs, and the glasses legs are connected with the glasses frame through a hinge device;
the frame comprises a nose pad on which the image source is located and a rim for mounting the 3D display system of any of claims 1-7.
9. The portable 3D display smart glasses according to claim 1, wherein the nose pads are further provided with a relay system, and the relay system collimates light from the image source and then irradiates the light onto the input grating.
10. The portable 3D display smart glasses according to claim 9, wherein the glasses legs comprise an external frame and an internal circuit, and a speaker and an audio interface are arranged on the external frame;
the hinge device is of a hollow structure, and the wires of the relay system and the 3D display system are connected with the internal circuit in the glasses legs through the hinge device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010072570.7A CN111158149A (en) | 2020-01-21 | 2020-01-21 | Display system and portable 3D display intelligent glasses |
| PCT/CN2021/072532 WO2021147824A1 (en) | 2020-01-21 | 2021-01-18 | Display system and portable 3d display smart glasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010072570.7A CN111158149A (en) | 2020-01-21 | 2020-01-21 | Display system and portable 3D display intelligent glasses |
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| Publication Number | Publication Date |
|---|---|
| CN111158149A true CN111158149A (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010072570.7A Pending CN111158149A (en) | 2020-01-21 | 2020-01-21 | Display system and portable 3D display intelligent glasses |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111158149A (en) |
| WO (1) | WO2021147824A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021147824A1 (en) * | 2020-01-21 | 2021-07-29 | 奥提赞光晶(山东)显示科技有限公司 | Display system and portable 3d display smart glasses |
| WO2023160159A1 (en) * | 2022-02-28 | 2023-08-31 | 荣耀终端有限公司 | Optical waveguide and near-eye display device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10018844B2 (en) * | 2015-02-09 | 2018-07-10 | Microsoft Technology Licensing, Llc | Wearable image display system |
| US9927614B2 (en) * | 2015-12-29 | 2018-03-27 | Microsoft Technology Licensing, Llc | Augmented reality display system with variable focus |
| JP6714704B2 (en) * | 2016-01-06 | 2020-06-24 | ビュージックス コーポレーションＶｕｚｉｘ Ｃｏｒｐｏｒａｔｉｏｎ | Double-sided imaging light guide |
| US10642045B2 (en) * | 2017-04-07 | 2020-05-05 | Microsoft Technology Licensing, Llc | Scanner-illuminated LCOS projector for head mounted display |
| CN107015368B (en) * | 2017-06-05 | 2020-05-05 | 东南大学 | Near-to-eye binocular display device |
| CN107092093A (en) * | 2017-06-16 | 2017-08-25 | 北京灵犀微光科技有限公司 | Waveguide display device |
| CN108919493B (en) * | 2018-07-27 | 2021-01-22 | 京东方科技集团股份有限公司 | AR display device, control method thereof and wearable device |
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| CN211554485U (en) * | 2020-01-21 | 2020-09-22 | 奥提赞光晶(山东)显示科技有限公司 | Display system and portable 3D display intelligent glasses |
| CN111158149A (en) * | 2020-01-21 | 2020-05-15 | 奥提赞光晶(山东)显示科技有限公司 | Display system and portable 3D display intelligent glasses |
-
2020
- 2020-01-21 CN CN202010072570.7A patent/CN111158149A/en active Pending
-
2021
- 2021-01-18 WO PCT/CN2021/072532 patent/WO2021147824A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021147824A1 (en) * | 2020-01-21 | 2021-07-29 | 奥提赞光晶(山东)显示科技有限公司 | Display system and portable 3d display smart glasses |
| WO2023160159A1 (en) * | 2022-02-28 | 2023-08-31 | 荣耀终端有限公司 | Optical waveguide and near-eye display device |
| CN116699751A (en) * | 2022-02-28 | 2023-09-05 | 荣耀终端有限公司 | Optical waveguide and near-to-eye display device |
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| Publication number | Publication date |
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| WO2021147824A1 (en) | 2021-07-29 |
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