CN210488129U - Light regulation and control equipment and light engine - Google Patents
Light regulation and control equipment and light engine Download PDFInfo
- Publication number
- CN210488129U CN210488129U CN201921621681.8U CN201921621681U CN210488129U CN 210488129 U CN210488129 U CN 210488129U CN 201921621681 U CN201921621681 U CN 201921621681U CN 210488129 U CN210488129 U CN 210488129U
- Authority
- CN
- China
- Prior art keywords
- light
- polarization
- beam splitter
- assembly
- lens group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a light regulation and control equipment and light engine relates to image processing technology field, the utility model provides a light regulation and control equipment includes: a relay amplification assembly and an imaging assembly; the relay amplifying assembly is used for converging light rays to an image source; the imaging assembly is used for receiving light reflected by the image source; the relay amplifying assembly and the imaging assembly have a common polarization beam splitter. The utility model provides a light regulation and control equipment can reduce polarization beam splitting device quantity in the light regulation and control equipment, and then can alleviate the weight of light regulation and control equipment, is favorable to miniaturizing light regulation and control equipment.
Description
Technical Field
The utility model belongs to the technical field of the image processing technique and specifically relates to a light regulation and control equipment and light engine are related to.
Background
Augmented Reality (AR) is a technology for calculating the position and angle of a camera image in real time and adding a corresponding image, and the technology aims to sleeve a virtual world on a screen in the real world and perform interaction. In visual augmented reality, a user uses a head-mounted display to compose a real world with computer graphics. In the image processing process, a plurality of optical devices are required, so that the volume and the weight of the light ray control equipment are large, and how to realize the miniaturization and the light weight of the light ray control equipment becomes a technical problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a light regulation and control equipment and light engine to alleviate the great technical problem of light regulation and control equipment volume and weight among the prior art.
In a first aspect, the utility model provides a light regulation and control equipment, include: a relay amplification assembly and an imaging assembly; the relay amplifying assembly is used for converging light rays to an image source; the imaging assembly is used for receiving light reflected by the image source; the relay amplifying assembly and the imaging assembly have a common polarization beam splitter.
With reference to the first aspect, the present invention provides a first possible implementation manner of the first aspect, wherein the relay amplifier assembly includes a primary polarization beam splitter, and the primary polarization beam splitter is configured to transmit P light and reflect S light, or transmit S light and reflect P light; the primary polarization light splitting component is used for carrying out polarization light splitting on incident light and outputting the incident light to the image source; the imaging component comprises a secondary polarization light splitting component, and the secondary polarization light splitting component is used for transmitting or reflecting light rays and outputting the light rays from the image source after polarization light splitting; the primary polarization light splitting component and the secondary polarization light splitting component adopt the same polarization light splitting device.
With reference to the first possible implementation manner of the first aspect, the present invention provides a second possible implementation manner of the first aspect, wherein a primary lens is disposed between the primary polarization beam splitter and the image source; a secondary lens is arranged between the image source and the secondary polarization beam splitter; the primary lens and the secondary lens adopt the same second lens group.
With reference to the first aspect, the present invention provides a third possible implementation manner of the first aspect, wherein the imaging assembly further includes a third lens group, and the third lens group is disposed downstream of an optical path of the image source; a total reflection film is arranged on one side of the third lens group, which is far away from the polarization light splitting device; the light rays are primarily polarized and split by the polarization beam splitter and then are emitted to the image source, and the light rays reflected by the image source and secondarily polarized and split by the polarization beam splitter penetrate through the third lens group and then are emitted to the total reflection film; and the light reflected by the total reflection film is processed by the third lens group and then is emitted to the polarization light splitting device to realize third polarization light splitting.
With reference to the third possible implementation manner of the first aspect, the present invention provides a fourth possible implementation manner of the first aspect, wherein a quarter-glass or a retarder is disposed between the third lens group and the polarization beam splitter.
With reference to the third possible implementation manner of the first aspect, the present invention provides a fifth possible implementation manner of the first aspect, wherein the imaging assembly further includes: and the light rays split by the third polarization light sequentially transmit the second absorption type polaroid and the fourth lens group.
With reference to the first aspect, the present invention provides a sixth possible implementation manner of the first aspect, wherein the relay amplifying assembly includes: the light rays sequentially transmit the first lens group and the first absorption type polaroid and are emitted to the polarization light splitting device.
In a second aspect, the present invention provides a light engine, comprising: a light source and the light regulating device of the first aspect, the light source is configured to emit light to the light regulating device.
In combination with the second aspect, the present invention provides a first possible implementation manner of the second aspect, wherein a collimating assembly, a color combining assembly and a light homogenizing assembly are sequentially disposed between the light source and the relay amplifying assembly.
With reference to the second aspect, the present disclosure provides a second possible implementation manner of the second aspect, wherein the light engine further comprises a waveguide assembly for transmitting the light from the imaging assembly to the human eye.
The embodiment of the utility model provides a following beneficial effect has been brought: the relay amplifying assembly is used for converging light rays to an image source, the imaging assembly is used for receiving the light rays reflected by the image source, the relay amplifying assembly and the imaging assembly are provided with a shared polarization light splitting device, the light rays reflected by the image source are received through the imaging assembly, and then an image can be presented to human eyes; the relay amplifying assembly and the imaging assembly share the polarization light splitting device, so that the number of the polarization light splitting devices is reduced, the weight of the light regulation and control equipment is reduced, and the miniaturization of the light regulation and control equipment is facilitated.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention or the related art, the drawings required to be used in the description of the embodiments or the related art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a first light engine provided by an embodiment of the present invention;
fig. 2 is a schematic diagram of a light source, a collimating assembly, a color combining assembly, a light homogenizing assembly, a relay amplifying assembly and an image source of a first light engine according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a human eye, an image source of a first light engine, an imaging assembly, and a waveguide assembly provided by an embodiment of the present invention;
fig. 4 is a schematic diagram of a second light engine provided by an embodiment of the present invention;
fig. 5 is a schematic diagram of a third light engine provided by an embodiment of the present invention;
fig. 6 is a schematic diagram of a fourth light engine according to an embodiment of the present invention.
Icon: 01-a light source; 011-red light; 012-green light; 013-blue light lamp; 02-a collimating component; 021-a first collimating lens; 022-a second collimating lens; 03-a color combination component; 031-a first color combiner; 032-a second color combining mirror; 04-a light homogenizing assembly; 041-fly's eye lens; 042-polarization conversion device; 05-a relay amplification component; 051-first lens group; 0511-first prism; 0512-first single lens; 0513-second prism; 0514-second single lens; 052-a first absorbing polarizer; 053-primary polarization beam splitter; 054-primary lens; 06-an image source; 07-an imaging component; 071-secondary lens; 072-secondary polarization beam splitter; 073-quarter glass slide; 074-third lens group; 075 — second absorbing polarizer; 076-fourth lens group; 08-a waveguide assembly; 09-human eye.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "physical quantity" in the formula, unless otherwise noted, is understood to mean a basic quantity of a basic unit of international system of units, or a derived quantity derived from a basic quantity by a mathematical operation such as multiplication, division, differentiation, or integration.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1, the embodiment of the utility model provides a light regulation and control equipment, include: a relay amplification module 05 and an imaging module 07; the relay amplifying assembly 05 is used for converging light rays to an image source 06; the imaging assembly 07 is used for receiving light reflected by an image source 06; the relay amplifying module 05 and the imaging module 07 have a common polarization beam splitter.
Specifically, the light beam is emitted to the image source 06 through the relay amplifying assembly 05, and then is reflected to the imaging assembly 07 by the image source 06, so that the image is transmitted to the imaging assembly 07. In this process, the polarization beam splitter in the relay amplification module 05 transmits P light and reflects S light, or transmits S light and reflects P light. One of the S light and the P light is emitted to the image source 06, and can be transmitted to the imaging component 07 after being reflected by the image source 06, and the imaging component 07 also adopts a polarization beam splitter to output the S light or the P light. The relay amplifying assembly 05 and the imaging assembly 07 share the same polarization light splitting device, so that the polarization light splitting devices do not need to be arranged in the relay amplifying assembly 05 and the imaging assembly 07 respectively, the number of the polarization light splitting devices is reduced, the integration level of the light regulation and control equipment is improved, the weight of the light regulation and control equipment can be reduced, and the reduction of the appearance volume of the light regulation and control equipment is facilitated.
In the embodiment of the present invention, the relay amplifier module 05 includes a primary polarization beam splitter 053, and the primary polarization beam splitter 053 is used for transmitting P light and reflecting S light, or transmitting S light and reflecting P light; the primary polarization light splitting element 053 is used for polarization light splitting of incident light and outputting to the image source 06; the imaging component 07 comprises a secondary polarization beam splitter 072, the secondary polarization beam splitter 072 is used for transmitting or reflecting light rays and outputting the light rays reflected by the image source 06 after polarization beam splitting; the primary polarization beam splitter 053 and the secondary polarization beam splitter 072 use the same polarization beam splitter.
As shown in fig. 1, 2, and 3, the primary polarization beam splitter 053 transmits P light and reflects S light. After the light passes through the primary polarization beam splitter 053, the emergent direction of the light forms an included angle with the incident direction, and the light is emitted to the image source 06. Light reflected by the image source 06 passes through the primary polarization beam splitter 053, enters the imaging module 07, and is output through the imaging module 07. The secondary polarization beam splitter 072 performs polarization beam splitting processing on the light entering the imaging module 07, thereby outputting an image as S light. The primary polarization beam splitter 053 and the secondary polarization beam splitter 072 share the same polarization beam splitter, so that the composition of the light ray regulation and control equipment can be simplified, and the light ray regulation and control equipment with light weight and small size can be obtained. The polarization splitting device may employ a polarization splitting prism, a wire grid thin film (WGF), or a wire grid flat panel (WGP).
As shown in fig. 1, 4, 5 and 6, a primary lens 054 is disposed between the primary polarization beam splitter 053 and the image source 06; a secondary lens 071 is arranged between the image source 06 and the secondary polarization beam splitter 072; the primary lens 054 and the secondary lens 071 use the same second lens group. The second lens group comprises one or more lenses, the surface type of the lens can adopt a spherical surface, an aspherical surface, a free-form surface or a Fresnel surface, and the material of the lens can adopt glass or resin. The primary lens 054 and the secondary lens 071 adopt the same second lens set, light passes through the second lens set to be incident on the image source 06, and light reflected by the image source 06 passes through the second lens set again to be incident on the secondary polarization beam splitter 072.
Further, the imaging assembly 07 further includes a third lens group 074, the third lens group 074 is disposed downstream of the optical path of the image source 06; a total reflection film R2 is arranged on one side of the third lens group 074, which is far away from the polarization beam splitter; the light rays are primarily polarized and split by the polarization beam splitter and then are emitted to the image source 06, and the light rays reflected by the image source 06 are secondarily polarized and split by the polarization beam splitter and then are emitted to the total reflection film R2 after passing through the third lens group 074; the light reflected by the total reflection film R2 is processed by the third lens group 074 and then is incident on the polarization beam splitter to realize third polarization beam splitting. The reflectivity of the total reflection film R2 is greater than 90%, the light rays transmitted through the third lens group 074 are reflected by the total reflection film R2 and then transmitted through the third lens group 074 again, and the uniformity of the light rays is improved through secondary treatment of the third lens group 074.
Further, a quarter-glass 073 or a retarder is arranged between the third lens group 074 and the polarization beam splitter. The quarter-glass 073 can convert the second-pass S light into P light, or vice versa, and the quarter-glass 073 can be replaced by an equivalent retardation plate. After being converted by the quarter-glass 073, the light is emitted out through the secondary polarization beam splitter 072.
Further, the image forming module 07 further includes: and the light split by the third polarization transmits the second absorption polarizer 075 and the fourth lens group 076 in sequence. The second absorption polarizer 075 only transmits P light or S light, the other polarization state light is absorbed, and the light is reflected by the total reflection film R2, and then enters the secondary polarization beam splitter 072, and then transmits the second absorption polarizer 075 and the fourth lens set 076 to be output.
Further, the relay amplifier module 05 includes: the light ray sequentially transmits the first lens group 051 and the first absorption type polaroid 052 and is emitted to the polarization light splitting device. The first absorption type polarizing plate 052 transmits only one of P light and S light, and the other polarized light is absorbed, so that the stray light is absorbed by the first absorption type polarizing plate 052 and the second absorption type polarizing plate 075, thereby improving the image quality. The first lens group 051 may adopt a single lens or a plurality of lenses, thereby improving the uniformity of light. The lens surface type can adopt a spherical surface, an aspheric surface, a free-form surface or a Fresnel surface, and the material of the lens can adopt glass or resin.
As shown in fig. 1 and 2, the S light enters the relay amplifying assembly 05, and the light sequentially passes through the first lens group 051 and the first absorption-type polarizer 052 and then is incident on the primary polarization beam splitter 053, and the first absorption-type polarizer 052 only transmits the S light, so that the light with bad polarization state is filtered. The primary polarization beam splitter 053 transmits P light and reflects S light. The S light incident through the first absorption-type polarizer 052 is reflected by the primary polarization beam splitter 053, passes through the primary lens 054, and is incident on the image source 06; the light reflected by the image source 06 passes through the secondary lens 071 and then strikes the secondary polarization beam splitter 072. The primary polarization beam splitter 053 and the secondary polarization beam splitter 072 adopt the same polarization beam splitter, and the primary lens 054 and the secondary lens 071 adopt the same second lens group. The light reflected by the image source 06 is converted into P light, the P light passes through the secondary polarization beam splitter 072, the quarter glass 073 and the third lens assembly 074, is reflected by the total reflection film R2 and then passes through the quarter glass 073 again to form S light, and the S light is emitted by the secondary polarization beam splitter 072, reflected and then transmitted through the second absorption type polarizing film 075 and the fourth lens assembly 076 to be output.
As shown in fig. 4, the P light enters the first absorption-type polarizing plate 052, the first absorption-type polarizing plate 052 transmits only the P light and absorbs other stray light, and the primary polarization beam splitter 053 transmits the P light and can reflect the S light; the P light transmitted through the first absorption-type polarizing plate 052 is transmitted through the primary polarizing beam splitter 053 and the primary lens 054 to be incident on the image source 06. The light reflected by the image source 06 forms S light, and the S light is reflected by the secondary polarization beam splitter 072, transmitted through the quarter-glass 073 and the third lens assembly 074, and then emitted to the total reflection film R2. The light reflected by the total reflection film R2 is transmitted by the third lens group 074 and the quarter-wave slide 073 to form P light, and the P light is transmitted by the secondary polarization beam splitter 072, the second absorption type polarizer 075 and the fourth lens group 076 to be output. The primary polarization beam splitter 053 and the secondary polarization beam splitter 072 adopt the same polarization beam splitter, and the primary lens 054 and the secondary lens 071 adopt the same second lens group.
As shown in fig. 5, the first absorption-type polarizing plate 052 transmits only S light, and the primary polarizing beam splitter 053 transmits P light and reflects S light. The S light is reflected by the first absorbing polarizer 052 and transmitted through the primary lens 054 to the image source 06. The light reflected by the image source 06 forms P light, which is transmitted through the secondary lens 071, the secondary polarization beam splitter 072, the quarter-glass 073 and the third lens assembly 074 to the total reflection film R2. The light reflected by the total reflection film R2 passes through the third lens group 074 and the quarter-glass 073 again to form S light, and the S light is reflected by the secondary polarization beam splitter 072 and then passes through the second absorption type polarizer 075 and the fourth lens group 076 to be output. The relay amplifying assembly 05 and the imaging assembly 07 employ a common polarization beam splitter to turn the light, thereby compressing the dimension of the light control device in the length direction.
As shown in fig. 1 and 5, the first lens group 051 may employ a single lens, or the first lens group 051 includes: the lens comprises a first prism 0511, a first single lens 0512, a second prism 0513 and a second single lens 0514; the light is irradiated to the first prism 0511, is refracted by the first prism 0511 to change the transmission direction, is irradiated to the second prism 0513 through the first single lens 0512, is refracted by the second prism 0513 to change the transmission direction again, and is irradiated to the first absorption type polarizing film 052 through the second single lens 0514. The light transmission direction is changed through the first prism 0511 and the second prism 0513, so that the size of the length direction of the light regulation and control equipment can be reduced, and the light uniformity is improved through the first single lens 0512 and the second single lens 0514.
As shown in fig. 6, the first absorption-type polarizing plate 052 transmits only S light, and the S light passes through the first absorption-type polarizing plate 052 and is incident on the primary polarization beam splitter 053. The primary polarization beam splitter 053 reflects S light and transmits P light. The S light transmitted through the first absorption type polarizing film 052 is reflected by the primary polarizing beam splitter 053 and is transmitted through the primary lens 054 to be emitted to the image source 06. The light beam reflected by the image source 06 through the primary lens 054 is converted into P light, and the P light transmits through the secondary lens 071, the secondary polarization beam splitter 072, the quarter-glass 073 and the third lens assembly 074 and is incident on the total reflection film R2. The light reflected by the total reflection film R2 passes through the third lens group 074 and the quarter-glass 073 again to form S light, and the S light is reflected by the secondary polarization beam splitter 072 and then passes through the second absorption type polarizer 075 and the fourth lens group 076 to be output. The necessary power and corrected aberrations are provided by the secondary lens 071, the third lens group 074 and the fourth lens group 076.
Example two
As shown in fig. 1, 4, 5 and 6, an embodiment of the present invention provides a light engine including: the light source 01 and the light regulation and control device provided by the first embodiment are provided, and the light source 01 is used for emitting light to the light regulation and control device.
Specifically, the light source 01 employs an LED light emitting device, and the light source 01 includes a red light lamp 011, a green light lamp 012, and a blue light lamp 013. A collimation component 02, a color combination component 03 and a dodging component 04 are sequentially arranged between the light source 01 and the relay amplification component 05. The collimating component 02 includes a first collimating lens 021 and a second collimating lens 022, the color combining component 03 includes a first color combining mirror 031 and a second color combining mirror 032, and the first color combining mirror 031 is connected with the second color combining mirror 032 by gluing. The light emitted from the light source 01 sequentially passes through the first collimating lens 021 and the second collimating lens 022, and then is combined by the first color combining mirror 031 and the second color combining mirror 032. The dodging assembly 04 includes: the fly-eye lens 041 and the polarization conversion device 042, the light is homogenized by the fly-eye lens 041 and is converted into P light or S light by the polarization conversion device 042, so that the P light or S light enters the relay amplification assembly 05.
Further, the light engine further includes a waveguide assembly 08, and the waveguide assembly 08 is used for transmitting light from the imaging assembly 07 to the human eye 09. In the light engine, the image source 06 may employ Liquid Crystal On Silicon (LCOS) or Liquid Crystal Display (LCD). The light processed by the light control device is transmitted into the human eye 09 through the waveguide assembly 08, so that the human eye 09 can see the image in the image source 06, and the human eye 09 can see the external things of the waveguide assembly 08 through the waveguide assembly 08.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A light conditioning apparatus, comprising: a relay amplifying assembly (05) and an imaging assembly (07);
the relay amplifying assembly (05) is used for converging light rays to an image source (06);
the imaging assembly (07) is used for receiving light reflected by the image source (06);
the relay amplifying assembly (05) and the imaging assembly (07) are provided with a common polarization beam splitter.
2. A light conditioning device according to claim 1, characterized in that the relay amplifying assembly (05) comprises a primary polarization beam splitter (053), the primary polarization beam splitter (053) being configured to transmit P light and reflect S light, or transmit S light and reflect P light;
the primary polarization light splitting component (053) is used for carrying out polarization light splitting on incident light and outputting the incident light to the image source (06);
the imaging assembly (07) comprises a secondary polarization light splitting component (072), the secondary polarization light splitting component (072) is used for transmitting or reflecting light, and outputting the light from the image source (06) after polarization light splitting;
the primary polarization light splitting component (053) and the secondary polarization light splitting component (072) adopt the same polarization light splitting device.
3. A light conditioning device according to claim 2, characterized in that a primary lens (054) is arranged between said primary polarizing beam splitter (053) and said image source (06);
a secondary lens (071) is arranged between the image source (06) and the secondary polarization beam splitter (072);
the primary lens (054) and the secondary lens (071) adopt the same second lens group.
4. A light conditioning device as claimed in claim 1, wherein the imaging assembly (07) further comprises a third lens group (074), the third lens group (074) being arranged in the light path downstream of the image source (06);
a total reflection film is arranged on one side of the third lens group (074) departing from the polarization beam splitter;
the light rays are primarily polarized and split by the polarization beam splitter and then are emitted to the image source (06), and the light rays reflected by the image source (06) are secondarily polarized and split by the polarization beam splitter and then are emitted to the total reflection film after passing through the third lens group (074);
the light reflected by the total reflection film is processed by the third lens group (074) and then is emitted to the polarization light splitting device to realize third polarization light splitting.
5. A light conditioning device as claimed in claim 4, characterised in that a quarter-glass (073) or retarder is provided between the third lens group (074) and the polarizing beam splitting device.
6. A light conditioning device according to claim 4, characterized in that the imaging assembly (07) further comprises: and the light rays split by the third polarization are transmitted through the second absorption type polaroid (075) and the fourth lens group (076) in sequence.
7. A light conditioning device according to claim 1, characterized in that said relay amplifying assembly (05) comprises: the light source comprises a first lens group (051) and a first absorption type polaroid sheet (052), and the light rays sequentially transmit the first lens group (051) and the first absorption type polaroid sheet (052) and are emitted to the polarization light splitting device.
8. A light engine, comprising: a light source (01) and a light management device as claimed in any one of claims 1 to 7, said light source (01) emitting light to said light management device.
9. A light engine as claimed in claim 8, characterized in that a collimating component (02), a color combining component (03) and a light homogenizing component (04) are arranged between the light source (01) and the relay amplifying component (05) in sequence.
10. A light engine as claimed in claim 8, further comprising a waveguide assembly (08), the waveguide assembly (08) being configured to transmit the light from the imaging assembly (07) to a human eye (09).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921621681.8U CN210488129U (en) | 2019-09-26 | 2019-09-26 | Light regulation and control equipment and light engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921621681.8U CN210488129U (en) | 2019-09-26 | 2019-09-26 | Light regulation and control equipment and light engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210488129U true CN210488129U (en) | 2020-05-08 |
Family
ID=70509412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921621681.8U Active CN210488129U (en) | 2019-09-26 | 2019-09-26 | Light regulation and control equipment and light engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210488129U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462522A (en) * | 2020-12-08 | 2021-03-09 | 谷东科技有限公司 | Large-view-field compact near-to-eye display device |
| CN112505925A (en) * | 2020-12-08 | 2021-03-16 | 谷东科技有限公司 | Compact augmented reality near-to-eye device |
| CN114624889A (en) * | 2022-03-16 | 2022-06-14 | 江西凤凰光学科技有限公司 | Enhanced display type near-to-eye display projection optical device |
-
2019
- 2019-09-26 CN CN201921621681.8U patent/CN210488129U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462522A (en) * | 2020-12-08 | 2021-03-09 | 谷东科技有限公司 | Large-view-field compact near-to-eye display device |
| CN112505925A (en) * | 2020-12-08 | 2021-03-16 | 谷东科技有限公司 | Compact augmented reality near-to-eye device |
| CN114624889A (en) * | 2022-03-16 | 2022-06-14 | 江西凤凰光学科技有限公司 | Enhanced display type near-to-eye display projection optical device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019154430A1 (en) | Wearable ar system, ar display device, and projection source module thereof | |
| RU2437130C2 (en) | Lens, forming image under control of substrate | |
| CN210488129U (en) | Light regulation and control equipment and light engine | |
| US11269186B2 (en) | Augmented reality apparatus and method, and optical engine component | |
| CN105573024B (en) | A kind of 4K projectors | |
| KR20190133781A (en) | Compact near-eye optics system with refractive beam split convex lens | |
| US20230168501A1 (en) | Optical system and virtual reality device | |
| CN111025658B (en) | Augmented reality optical module and augmented reality equipment | |
| CN214795441U (en) | Miniature projection light engine and wearable display device | |
| CN214751111U (en) | Ultra-short distance ocular lens system | |
| WO2020010704A1 (en) | Optical system and head-mounted display device | |
| CN100507706C (en) | LCD stereo projector polarization management system | |
| CN112987473A (en) | Miniature projection display device and AR display system with same | |
| CN106918921A (en) | A kind of laser display based on fly's-eye lens is polarized shimming apparatus for shaping | |
| CN213069318U (en) | Catadioptric display optical machine and near-to-eye display equipment | |
| TWM615839U (en) | Ultra short distance eyepiece system | |
| CN216622845U (en) | Augmented reality optical system and binocular optical system | |
| CN116520626A (en) | Optical projection system and electronic device | |
| CN116449566A (en) | Near-to-eye display module and head-mounted display device | |
| CN113126299B (en) | Projection ray apparatus and head-mounted smart machine | |
| CN115437153A (en) | Near-to-eye display optical system and VR display equipment | |
| CN114942489A (en) | Optical module and head-mounted display device | |
| CN114236826A (en) | Augmented reality display device of leak protection light | |
| CN206906709U (en) | A kind of laser display based on fly's-eye lens is polarized shimming apparatus for shaping | |
| CN215116991U (en) | Augmented reality display system and augmented reality display equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |