CN108775547B - Lighting display device - Google Patents
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- CN108775547B CN108775547B CN201810824226.1A CN201810824226A CN108775547B CN 108775547 B CN108775547 B CN 108775547B CN 201810824226 A CN201810824226 A CN 201810824226A CN 108775547 B CN108775547 B CN 108775547B
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Abstract
The application provides an illumination display device, which comprises a light source module, a shading module and a projection lens module; the light source module comprises a light source array unit, a first light blocking rib array unit and a light receiving lens array unit, wherein the light source array unit is provided with a plurality of independently controlled luminous light sources, the first light blocking rib array unit is provided with a first light blocking rib arranged on the periphery of each luminous light source, and the light receiving lens array unit is provided with a plurality of light receiving lenses; the shading module comprises a light-transmitting substrate, wherein the light-transmitting substrate is provided with a plurality of light-transmitting parts, and shading patterns are arranged on the light-transmitting parts; the projection lens module comprises a second light barrier array unit and a projection lens array unit, wherein the second light barrier array unit is provided with a plurality of second light barriers, and the projection lens array unit is provided with a plurality of projection lenses. The application can realize matrix pixelated display and matrix pixelated illumination, thereby meeting the requirements of safe and comfortable illumination and informationized communication between people and vehicles, vehicles and people.
Description
Technical Field
The present invention relates to a lighting device for a vehicle, and more particularly, to a lighting display device.
Background
Along with the development of the automobile industry and the increasing complexity of traffic conditions, traffic participants have demands for safe and comfortable illumination, and meanwhile, demands for human-vehicle interaction and human-human interaction are also higher and higher, so that the light of conventional automobile external lamps such as daytime running lamps, steering lamps, tail lamps, brake lamps, high beam lamps, dipped headlights and the like cannot meet the demands. With the gradual upgrade of auxiliary driving systems and automatic driving systems in the future, a driver or an automobile needs to interact with more road participants.
Currently, a conventional matrix-type or digital-type adaptive headlamp for a vehicle is a pixelated lighting system designed by using a concept of a matrix and capable of independently controlling the brightness of a plurality of light sources. When the vehicle carrying the lighting system detects that other participants on the road are in a certain pixel region illuminated by the headlight, the lighting system can intelligently adjust the illumination brightness of the pixel region, so that dangerous dazzling to the illuminated participants is avoided, and the high-brightness illumination is continuously maintained in the space without other road participants. Under the technical support, the front high-quality illumination of the self (carrying matrix or digital self-adaptive headlight) can be ensured, and dangerous glaring can not be formed on other participants (such as vehicles running in opposite directions and the same direction) on the road, so that the night driving safety of all the sides on the road is ensured.
With the increasing complexity of traffic, the above-mentioned illumination systems that provide only intelligent pixelation have not been able to meet the information exchange and communication between the driver and pedestrians, vehicles and automobiles, drivers and drivers, and so on, among the parties of the traffic.
Disclosure of Invention
In view of the above-described drawbacks of the prior art, an object of the present invention is to provide an illumination display device capable of realizing both matrix-type pixelated illumination and matrix-type pixelated display.
In order to achieve the above object, the present invention provides an illumination display device including a light source module, a light shielding module, and a projection lens module sequentially disposed in an optical axis direction; the light source module comprises a light source array unit, a first light blocking rib array unit and a light receiving lens array unit which are sequentially arranged along the direction of an optical axis, wherein the light source array unit is provided with a plurality of luminous light sources which are independently controlled and are arranged in a matrix, the first light blocking rib array unit is provided with a plurality of first light blocking ribs which are arranged in a matrix and are arranged on the periphery of each luminous light source, and the light receiving lens array unit is provided with a plurality of light receiving lenses which are arranged in a matrix and are opposite to each luminous light source along the direction of the optical axis; the shading module comprises a light-transmitting base material, wherein the light-transmitting base material is provided with a plurality of light-transmitting parts which are arranged in a matrix and are opposite to each light-receiving lens along the optical axis direction, and shading patterns are arranged on at least a plurality of light-transmitting parts in the plurality of light-transmitting parts; the projection lens module comprises a second light blocking rib array unit and a projection lens array unit, wherein the second light blocking rib array unit and the projection lens array unit are sequentially arranged along the optical axis direction, the second light blocking rib array unit is provided with a plurality of second light blocking ribs which are arranged in a matrix mode and are arranged on the periphery of each light transmission part, and the projection lens array unit is provided with a plurality of projection lenses which are arranged in a matrix mode and are opposite to each light transmission part along the optical axis direction.
Further, the light-emitting light source is a semiconductor light source, or includes a semiconductor laser and a light conversion element, or includes a solid laser and a light conversion element.
Further, the light receiving lens is a Fresnel lens.
Further, the first light blocking rib array unit and the light receiving lens array unit are injection molded or molded into a whole.
Further, the material of the light receiving lens array unit is organic silicon, PC, PMMA or glass.
Further, the first light blocking rib array unit is made of a non-transparent material.
Further, the first light blocking rib array unit includes a substrate made of a transparent material, and a light blocking layer made of black paint sprayed on the surface of the substrate.
Further, the types of the light shielding patterns include a cut-off line pattern, an inflection point pattern, and a high beam pattern, and one type of the light shielding pattern is provided on one light transmitting portion.
Further, the shading pattern is formed on the light-transmitting part by a plating film or a laser engraving processing mode.
Further, the material of the light-transmitting substrate is PC, PMMA, or glass.
Further, the second light blocking rib array unit is made of a non-transparent material.
Further, the second light blocking rib array unit includes a substrate made of a transparent material, and a light blocking layer made of black paint sprayed on the surface of the substrate.
Further, the second light blocking rib array unit and the projection lens array unit are injection molded or molded into a whole.
Further, the projection lens is a fresnel lens.
Further, the material of the projection lens array unit is organic silicon, PC, PMMA or glass.
As described above, the illumination display device according to the present invention has the following advantageous effects:
In the application, the brightness modulation of a plurality of light sources is realized in a projection space by independently controlling the brightness of a plurality of light sources, different brightness images can be observed from the direction facing the projection lens module, and matrix pixelized display is realized; meanwhile, different illumination light patterns can be observed from the direction of the back projection lens module by matching with a plurality of shading patterns in the shading module, matrix pixelized illumination is realized, and therefore safe and comfortable illumination and informatization communication among people, vehicles and people are met.
Drawings
Fig. 1 is a schematic structural diagram of an illumination display device in the present application.
Fig. 2 is an optical schematic diagram of an illuminated display apparatus according to the present application.
Fig. 3 is a schematic structural diagram of a light source module according to a first embodiment of the application.
Fig. 4 is an optical schematic diagram of a first embodiment of the light source module in fig. 3.
Fig. 5 is a schematic connection diagram of the first light blocking rib array unit and the light receiving lens array unit in the first embodiment of the light source module in fig. 3.
Fig. 6 is a schematic structural diagram of a second embodiment of a light source module according to the present application.
Fig. 7 is a cross-sectional view of a second embodiment of the light source module in fig. 6.
Fig. 8 is a schematic structural view of a shading module in the present application.
Fig. 9 and 10 are schematic views of the projection lens module according to the present application at different viewing angles.
Fig. 11 is an optical schematic diagram of a projection lens module according to the present application.
Fig. 12 to 14 show different display images of the illumination display device which can be observed from the direction facing the projection lens module.
Description of element reference numerals
1. Light source module
11. Light source array unit
111. Luminous light source
12. First light barrier array unit
121. First light barrier rib
13. Light receiving lens array unit
131. Light receiving lens
2. Shading module
21. Light transmitting part
22. Shading pattern
221. Cut-off line pattern
222. Inflection point pattern
223. High beam pattern
3. Projection lens module
31. Second light barrier array unit
311. Second light barrier rib
32. Projection lens array unit
321. Projection lens
4. Projection space
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the invention, are included in the spirit and scope of the invention which is otherwise, without departing from the spirit or scope thereof. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like are used herein for descriptive purposes only and not for purposes of limitation, and are intended to limit the scope of the invention as defined by the claims and the relative terms thereof as construed as corresponding to the claims.
In the following embodiments, the optical axis direction of the illumination display device is defined as the front direction, and therefore, the projection emission direction Y of the illumination display device is also the front direction.
The application provides an illumination display device which is mainly used for vehicles and can be used in other fields. The preferred embodiments of the illuminated display apparatus, which are primarily intended for use in vehicles, will be described with respect to. As shown in fig. 1 and 2, the illumination display device includes a light source module 1, a light shielding module 2, and a projection lens module 3, which are disposed in this order from the rear to the front in the optical axis direction. As shown in fig. 3 and 4, the light source module 1 includes a light source array unit 11, a first light blocking rib array unit 12, and a light receiving lens array unit 13 sequentially disposed from the rear to the front in the optical axis direction, the light source array unit 11 has a plurality of light emitting sources 111 that are independently controlled and arranged in a matrix, the first light blocking rib array unit 12 has a plurality of first light blocking ribs 121 that are arranged in a matrix and disposed at the periphery of each light emitting source 111, and the light receiving lens array unit 13 has a plurality of light receiving lenses 131 that are arranged in a matrix and disposed opposite to each light emitting source 111 in the optical axis direction. As shown in fig. 8, the light shielding module 2 includes a light transmitting substrate, which has a plurality of light transmitting portions 21 arranged in a matrix and disposed opposite to each light receiving lens 131 along the optical axis direction, wherein at least a plurality of light transmitting portions 21 are provided with light shielding patterns 22; in the present application, a light shielding pattern 22 is provided on each light transmitting portion 21. As shown in fig. 9 and 10, the projection lens module 3 includes a second light blocking rib array unit 31 and a projection lens array unit 32 which are sequentially disposed from the rear to the front in the optical axis direction, the second light blocking rib array unit 31 has a plurality of second light blocking ribs 311 which are arranged in a matrix and are provided at the periphery of each light transmitting portion 21, and the projection lens array unit 32 has a plurality of projection lenses 321 which are arranged in a matrix and are disposed opposite to each light transmitting portion 21 in the optical axis direction. Therefore, in the above-described illumination display device for a vehicle, the light-emitting light source 111, the light-receiving lens 131, the light-transmitting portion 21, the light-shielding pattern 22 on the light-transmitting portion 21, and the projection lens 321 are provided in one-to-one correspondence in the optical axis direction.
The operating principle of the lighting display device for the vehicle is as follows: as shown in fig. 1 and 2, the light source module 1 is a matrix light source module 1, a plurality of light emitting sources 111 capable of controlling the switch individually emit mutually independent light beams, the light beams propagate along the projection emitting direction Y of the illumination display device, most of the divergent light beams emitted by the light emitting sources 111 are refracted by light receiving lenses 131 arranged in the light receiving lens array unit 13 in one-to-one correspondence with the light emitting sources 111, then the light beam angles and the light beam apertures are changed to continue to propagate along the optical axis direction, and the large-angle light beams emitted by the light emitting sources 111 are blocked by first light blocking ribs 121 positioned at the periphery of the light emitting sources 111, the light beam with a large angle does not continue to propagate along the optical axis direction, as shown in fig. 4, and thus does not interfere with the light beams emitted by the other light emitting sources 111 in the light source array unit 11. The light beam emitted from the light source module 1 is refracted by the light transmitting portion 21 in the light shielding module 2 and the projection lens 321 in the projection lens module 3, and then is projected in the projection space 4 in front of the illumination display device to have different light distribution and light pattern. In addition, the light beam emitted by the light emitting source 111 may be refracted by the corresponding light receiving lens 131 and the light transmitting portion 21, and the light beam with a large angle may be blocked by the second light blocking rib 311 located at the periphery of the light transmitting portion 21, as shown in fig. 11, so that the light beams refracted by the adjacent light transmitting portions 21 do not interfere with each other and affect each other. In the above-described illumination display device for a vehicle, the following are given from the observer direction X in which the illumination display device for a vehicle is observed: the view direction of drivers of the opposite running vehicles, the view direction of other road participants and the view direction facing the projection lens module 3 are also directions, and the brightness modulation of a plurality of light beams is realized in the projection space 4 by independently controlling the brightness of a plurality of light emitting sources 111, so that different light distributions are displayed in the projection space 4, and different brightness images displayed by the illumination display device can be observed by an observer; such as: when the plurality of light emitting sources 111 are controlled to be fully lit, the direction facing the projection lens module 3 can be observed to show a state in which the illumination display device for a vehicle shows full lighting, as shown in fig. 12; and, for example: when the plurality of light emitting sources 111 are controlled to be partly bright and partly dark, the direction facing the projection lens module 3 can be observed that the vehicular illumination display device displays an "HV" letter image as shown in fig. 13 or a "smile" image as shown in fig. 14, thereby realizing a matrix pixelized display. Meanwhile, in the above-described illumination display device for a vehicle, the illumination display device for a vehicle is observed from the projection emission direction Y, for example: the observation direction of the driver of the vehicle, that is, the direction facing back to the projection lens module 3, the light beams emitted by the light emitting sources 111 which individually control the brightness are refracted by the light receiving lens 131, the light transmitting part 21, the shading pattern 22 on the light transmitting part 21 and the projection lens 321 which are in one-to-one correspondence, and different illumination light patterns are projected in the projection space 4 due to the effect of the shading pattern 22 on the light transmitting part 21, so that the brightness of the light emitting sources 111 is independently controlled to match with the shading pattern 22 on the light transmitting part 21, The driver of the vehicle can see the illumination display device to project different illumination light types, so that matrix pixelation illumination is realized. Further, when the vehicle illumination display device illuminates the driver or other road participant of the oncoming vehicle, by independently controlling the lighting of the plurality of light emitting sources 111, it is possible to prevent the vehicle illumination display device from forming dangerous glare to the driver or other road participant of the oncoming vehicle, so that the matrix pixel illumination of the vehicle illumination display device has a shielding function; of course, by independently controlling the brightness of the plurality of light emitting sources 111, it is also possible to highlight a person. Therefore, the application realizes matrix pixelated display, matrix pixelated illumination and shielding or highlighting of matrix pixelated illumination at the same time, thereby meeting the requirements of safe and comfortable illumination and informationized communication between people and vehicles and between people.
Preferably, for the light source module 1: the light-emitting sources 111, the first light blocking ribs 121 positioned at the periphery of the light-emitting sources 111 and the light receiving lenses 131 opposite to the light-emitting sources 111 are in one-to-one correspondence. The luminescent light source 111 may be selected from the following types: the light source may be a semiconductor light source, a light source including a semiconductor laser and a light conversion element, or a light source including a solid state laser and a light conversion element, which may be made of a light conversion material. The first light blocking ribs 121 are in a frame structure, as shown in fig. 5, each first light blocking rib 121 has four rib sides, and two adjacent first light blocking ribs 121 may share one rib side. The first light blocking rib array unit 12 is made of a non-transparent material; of course, the first light blocking rib array unit 12 includes a base made of a transparent material, and a light blocking layer made of black paint sprayed on the surface of the base. The first light blocking rib array unit 12 formed by the plurality of first light blocking ribs 121 is an integral piece, the light receiving lens array unit 13 formed by the plurality of light receiving lenses 131 is also an integral piece, and the light receiving lens array unit 13 can be fixed by using an additional bracket or can be directly fixed on the first light blocking rib array unit 12; when the light receiving lens array unit 13 is directly fixed on the first light blocking rib array unit 12, the first light blocking rib array unit 12 and the light receiving lens array unit 13 are injection molded or molded into a whole, so that the volume of the illumination display device is reduced. Of course, the first light blocking rib array unit 12 and the light receiving lens array unit 13 may be two independent components. As shown in fig. 3 and 4, each light receiving lens 131 is a fresnel lens; or as shown in fig. 6 and 7, each of the light receiving lenses 131 is a conventional lens. The material of the light receiving lens array unit 13 is a transparent material such as organic silicon, PC, PMMA, or glass, and the surface of the light receiving lens array unit 13 may be a smooth mirror surface or a rough structure surface.
Preferably, for the light shielding module 2: as shown in fig. 8, the light shielding module 2 has a plate-like structure, and a light shielding pattern 22 is provided on each light transmitting portion 21. There are various types of the light shielding pattern 22, such as: the light shielding patterns can be a cut-off line pattern 221, an inflection point pattern 222 and a high beam pattern 223, and the cut-off line pattern 221, the inflection point pattern 222 and the high beam pattern 223 are arranged according to a certain rule according to the type of actual needs, and other types of light shielding patterns 22 can be added; one type of light shielding pattern 22 is provided on one light transmitting portion 21. The material of the light-transmitting base material is transparent material such as PC, PMMA or glass. The light shielding pattern 22 may be formed on the light transmitting portion 21 by a plating process, and the light shielding pattern 22 may be formed on the light transmitting portion 21 by a laser engraving process, so that the light shielding pattern 22 is attached to the light transmitting substrate.
Preferably, for the projection lens module 3: the second light blocking ribs 311 and the first light blocking ribs 121 have similar structures and also have frame structures, as shown in fig. 10, each second light blocking rib 311 has four rib sides, and two adjacent second light blocking ribs 311 may share one rib side. The second light blocking rib array unit 31 is made of a non-transparent material; of course, the second light blocking rib array unit 31 includes a substrate made of a transparent material, and a light blocking layer made of black paint sprayed on the surface of the substrate. The second light blocking rib array unit 31 formed by the plurality of second light blocking ribs 311 is an integral piece, the projection lens array unit 32 formed by the plurality of projection lenses 321 is also an integral piece, and the projection lens array unit 32 can be fixed by using an additional bracket or can be directly fixed on the second light blocking rib array unit 31; when the projection lens array unit 32 is directly fixed to the second light blocking rib array unit 31, the second light blocking rib array unit 31 and the projection lens array unit 32 are injection molded or molded as an integral piece, so that the volume of the illumination display device is reduced. Of course, the second light blocking rib array unit 31 and the projection lens array unit 32 may be two independent components. Each projection lens 321 is a fresnel lens; or as shown in fig. 11, each projection lens 321 is a conventional lens. The material of the projection lens array unit 32 is a transparent material such as silicone, PC, PMMA, or glass, and the surface of the projection lens array unit 32 may be a smooth mirror surface or a rough structure surface.
In summary, in the illumination display device for a vehicle according to the present application, each light emitting light source 111 in the light source module 1, each light receiving lens 131 in the light source module 1, each first light blocking rib 121 in the light source module 1, each light transmitting portion 21 provided with the light blocking pattern 22 in the light blocking module 2, each projection lens 321 in the projection lens module 3, and each second light blocking rib 311 in the projection lens module 3 are in one-to-one correspondence to form one independent optical subsystem, and the illumination display device for a vehicle is composed of a plurality of optical subsystems arranged in a matrix; the light rays proceed in each optical subsystem along the projection exit direction Y, forming separate projection beams in the projection space 4. The combination of the brightness of the plurality of optical subsystems forms the illumination pattern required by the illumination display device for the vehicle in the projection space 4, and the brightness characteristic of each optical subsystem can be seen from the observer direction X, and then various signs and patterns displayed by the illumination display device for the vehicle can be observed, so that the illumination for safety and comfort and the informatization communication among people, vehicles and people can be satisfied. Accordingly, the illumination display device for a vehicle according to the present application has the following advantages:
1. The brightness of each luminous light source 111 is controlled, so that matrix pixelation display coincidence and pattern can be realized, matrix pixelation illumination can be realized, visual information interaction with traffic participants can be realized, brightness modulation of multiple beams of light in a projection space can be realized, dangerous dazzling is avoided, and shielding treatment of multiple targets is completed.
2. Can realize various car light functions such as low beam, high beam and the like, and the energy utilization rate of the light source can be effectively improved.
3. The structure is simple, and optical structures such as a light guide rod of the car lamp in the prior art are omitted, so that the size of the car lamp is reduced, and the processing cost and the assembly difficulty are reduced.
4. Stray light is shielded by the first light blocking rib 121 and the second light blocking rib 311, so that light beams of a plurality of optical subsystems do not interfere with each other, and light distribution is uniform.
Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (15)
1. An illuminated display apparatus, characterized in that: the illumination display device comprises a light source module (1), a shading module (2) and a projection lens module (3) which are sequentially arranged along the optical axis direction; wherein,
The light source module (1) comprises a light source array unit (11), a first light barrier array unit (12) and a light receiving lens array unit (13) which are sequentially arranged along the direction of an optical axis, wherein the light source array unit (11) is provided with a plurality of light emitting light sources (111) which are independently controlled and are arranged in a matrix, the first light barrier array unit (12) is provided with a plurality of first light barrier ribs (121) which are arranged in a matrix and are arranged on the periphery of each light emitting light source (111), and the light receiving lens array unit (13) is provided with a plurality of light receiving lenses (131) which are arranged in a matrix and are opposite to each light emitting light source (111) along the direction of the optical axis;
The shading module (2) comprises a light-transmitting base material, wherein the light-transmitting base material is provided with a plurality of light-transmitting parts (21) which are arranged in a matrix manner and are opposite to each light receiving lens (131) along the optical axis direction, and shading patterns (22) are arranged on at least a plurality of light-transmitting parts (21) in the plurality of light-transmitting parts (21);
The projection lens module (3) comprises a second light blocking rib array unit (31) and a projection lens array unit (32) which are sequentially arranged along the optical axis direction, the second light blocking rib array unit (31) is provided with a plurality of second light blocking ribs (311) which are arranged in a matrix and are arranged on the periphery of each light transmission part (21), and the projection lens array unit (32) is provided with a plurality of projection lenses (321) which are arranged in a matrix and are opposite to each light transmission part (21) along the optical axis direction;
Each light emitting source (111) in the light source module (1), each light receiving lens (131) in the light source module (1), each first light blocking rib (121) in the light source module (1), each light transmitting part (21) provided with a light blocking pattern (22) in the light blocking module (2), each projection lens (321) in the projection lens module (3) and each second light blocking rib (311) in the projection lens module (3) are in one-to-one correspondence, and an independent optical subsystem is formed, the illumination display device is composed of a plurality of optical subsystems which are arranged in a matrix, light rays advance in each optical subsystem along the projection emergent direction, and independent projection light beams are formed in the projection space (4).
2. An illuminated display apparatus as recited in claim 1, wherein: the light-emitting source (111) is a semiconductor light source, or includes a semiconductor laser and a light conversion element, or includes a solid-state laser and a light conversion element.
3. An illuminated display apparatus as recited in claim 1, wherein: the light receiving lens (131) is a Fresnel lens.
4. An illuminated display apparatus as recited in claim 1, wherein: the first light blocking rib array unit (12) and the light receiving lens array unit (13) are injection molded or molded into a whole.
5. An illuminated display apparatus as recited in claim 1, wherein: the material of the light receiving lens array unit (13) is organic silicon, PC, PMMA or glass.
6. An illuminated display apparatus as recited in claim 1, wherein: the first light barrier array unit (12) is made of a non-transparent material.
7. An illuminated display apparatus as recited in claim 1, wherein: the first light blocking rib array unit (12) comprises a substrate made of transparent materials and a light blocking layer made of black paint sprayed on the surface of the substrate.
8. An illuminated display apparatus as recited in claim 1, wherein: the types of the light shielding patterns (22) include a cut-off line pattern (221), an inflection point pattern (222), and a high beam pattern (223), and one type of the light shielding patterns (22) is provided on one light transmitting portion (21).
9. An illuminated display apparatus as recited in claim 1, wherein: the light shielding pattern (22) is formed on the light transmitting portion (21) by a plating or laser engraving processing mode.
10. An illuminated display apparatus as recited in claim 1, wherein: the material of the light-transmitting substrate is PC, PMMA or glass.
11. An illuminated display apparatus as recited in claim 1, wherein: the second light barrier array unit (31) is made of a non-transparent material.
12. An illuminated display apparatus as recited in claim 1, wherein: the second light blocking rib array unit (31) includes a substrate made of a transparent material, and a light blocking layer made of black paint sprayed on the surface of the substrate.
13. An illuminated display apparatus as recited in claim 1, wherein: the second light barrier array unit (31) and the projection lens array unit (32) are injection molded or molded into a whole.
14. An illuminated display apparatus as recited in claim 1, wherein: the projection lens (321) is a Fresnel lens.
15. An illuminated display apparatus as recited in claim 1, wherein: the material of the projection lens array unit (32) is organic silicon, PC, PMMA or glass.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824226.1A CN108775547B (en) | 2018-07-25 | Lighting display device | |
| US16/964,601 US11060680B2 (en) | 2018-07-25 | 2019-04-02 | Lighting display device |
| PCT/CN2019/080975 WO2020019751A1 (en) | 2018-07-25 | 2019-04-02 | Lighting display device |
| DE112019000121.3T DE112019000121T5 (en) | 2018-07-25 | 2019-04-02 | Illumination display device |
| JP2021503083A JP6994605B2 (en) | 2018-07-25 | 2019-04-02 | Lighting display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824226.1A CN108775547B (en) | 2018-07-25 | Lighting display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108775547A CN108775547A (en) | 2018-11-09 |
| CN108775547B true CN108775547B (en) | 2024-06-04 |
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