CN211086670U - Even light-emitting diffusion plate structure - Google Patents
Even light-emitting diffusion plate structure Download PDFInfo
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- CN211086670U CN211086670U CN201920223427.6U CN201920223427U CN211086670U CN 211086670 U CN211086670 U CN 211086670U CN 201920223427 U CN201920223427 U CN 201920223427U CN 211086670 U CN211086670 U CN 211086670U
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Abstract
The utility model relates to a uniform light emitting diffusion plate structure, which comprises a light source lattice and at least one main light emitting surface; the light source comprises a main light-emitting surface, a homogenization layer and a light source, wherein the homogenization layer is used for optically diffusing light emitted from the main light-emitting surface and is arranged in the extending direction of the light-emitting direction of the main light-emitting surface; the adjusting carrier does not exceed the main light-emitting surface and the homogenization layer of the light source lattice in the light-emitting direction of the main light-emitting surface; the brightness adjusting graph is arranged on the surface of the adjusting carrier in a non-full-covering mode and comprises the following components: projecting a two-dimensional bright and dark pattern formed by different light intensity distributions on the light emitting surface of the light source to a pattern or a reverse image pattern formed on the surface of the adjusting carrier as a projection object; the brightness adjusting pattern is not more than the surface of the main light emitting surface of the light source lattice and the lower surface of the homogenization layer in the light emitting direction of the main light emitting surface. The utility model has the advantages that: the utility model discloses can guarantee that diffuser plate structure light-emitting is even unanimous.
Description
Technical Field
The utility model relates to a semiconductor photoelectron and optics field, in particular to even light-emitting diffusion plate structure.
Background
As is well known, the existing light sources, mostly point light sources, from point light source to area light source, uneven luminous source has appeared, some have atomized, have sacrificed luminance, the light-emitting rate reduces, improve the homogeneity, though the diffusion plate of current is of a great variety, but the even uniformity problem of light has not thoroughly been solved.
When a point light source is lightened, light obtained by the diffusion plate after diffusion cannot be uniformly emitted, the light is not uniform in mixed light, and a bright area and a dark area exist, so that certain influence is brought when the light emitting structure of the existing diffusion plate is used; therefore, the utility model provides an even light-emitting is realized to diffuser plate structure of innovation.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an even light-emitting diffuser plate structure, the problem of the even uniformity of light-emitting is solved to the purpose.
In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a even light-emitting diffuser plate structure which innovation point lies in: comprises that
The light source lattice is provided with at least one main light emitting surface;
the light source comprises a main light-emitting surface, a homogenization layer and a light source, wherein the homogenization layer is used for optically diffusing light emitted from the main light-emitting surface and is arranged in the extending direction of the light-emitting direction of the main light-emitting surface;
the adjusting carrier does not exceed the main light-emitting surface and the homogenization layer of the light source lattice in the light-emitting direction of the main light-emitting surface;
the brightness adjusting graph is arranged on the surface of the adjusting carrier in a non-full-covering mode and comprises the following components: projecting a two-dimensional bright and dark pattern formed by different light intensity distributions on the light emitting surface of the light source to a pattern or a reverse image pattern formed on the surface of the adjusting carrier as a projection object;
the brightness adjusting pattern is not more than the surface of the main light emitting surface of the light source lattice and the lower surface of the homogenization layer in the light emitting direction of the main light emitting surface.
Further, the brightness adjusting pattern is a density distribution pattern formed by optical diffusion powder.
Further, the optical diffusion powder is transparent particles with a refractive index different from that of the adjusting carrier material by more than 20%.
Further, the optical diffusion powder is any one or a mixture of two or more of titanium dioxide, silicon dioxide particles, silicon nitride, amide, polymer resin and heat-conducting plastic particles.
Further, the brightness adjusting pattern is an optical brightness enhancing microstructure formed on an adjusting carrier, and the optical brightness enhancing microstructure is arranged on one surface of the adjusting carrier, which is emergent from a medium with a high refractive index to a medium with a low refractive index.
Furthermore, the optical brightening microstructure is transparent and transparent micro-nano-scale protruding particles with the refractive index different from that of the adjusting carrier material by less than 10%, and no gap exists between the micro-nano-scale protruding particles and the adjusting carrier base material.
Further, the optical brightening microstructure is a pit with a micro-nano scale.
Furthermore, the adjusting carrier is a homogenization layer, and the brightness adjusting pattern is arranged on the surface of one side, facing the main light emitting surface, of the homogenization layer.
Furthermore, the adjusting carrier is a light source lattice, and the brightness adjusting pattern is arranged on a main light emitting surface of the light source lattice.
Furthermore, the adjusting carrier is an adjusting plate or an adjusting film arranged between the main light emitting surface of the light source lattice and the homogenization layer.
Furthermore, the adjusting carrier is made of any one of PMMA, PC, PS, PI, transparent plastic, glass, sapphire or silica gel.
The utility model has the advantages that: the utility model provides a simple structure's even light-emitting diffusion plate structure, the essential element is: the device comprises a light source dot matrix, a homogenization layer, an adjusting carrier and a brightness adjusting pattern; by adopting the uniform light-emitting diffusion plate structure of the utility model, the uniform light can be realized at a certain distance from the light source, the uniform and consistent light-emitting effect can be realized, and the display of a high-uniformity and ultrathin surface light source can be further realized; and simultaneously, adopt the utility model discloses an even light-emitting diffuser plate structure can effectively improve reduction in manufacturing cost, improves production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a uniform light-emitting diffuser structure according to embodiment 1.
Fig. 2 is another structure diagram of the structure of the uniform light-emitting diffuser plate according to embodiment 1.
Fig. 3 is a schematic structural diagram of a uniform light emitting and diffusing plate structure in embodiment 2.
Fig. 4 is another structure diagram of the structure of the uniform light-emitting diffuser plate according to embodiment 2.
Fig. 5 is a schematic structural diagram of a structure of a uniform light-emitting diffuser plate according to embodiment 3.
Fig. 6 is another structure diagram of the structure of the uniform light-emitting diffuser plate according to embodiment 3.
Detailed Description
Example 1
The uniform light-emitting diffuser structure of the present embodiment, as shown in FIG. 1, comprises
The light source array 1 is provided with at least one main light emitting surface;
the homogenization layer 2 is used for optically diffusing the light emitted from the main light emitting surface, and the homogenization layer 2 is arranged in the extending direction of the light emitting direction of the main light emitting surface of the light source lattice 1;
the adjusting carrier 3 is positioned between the main light-emitting surface of the light source lattice 1 and the homogenization layer in the light-emitting direction of the main light-emitting surface of the adjusting carrier 3;
the brightness adjusting graph 4 is arranged on the upper surface of the adjusting carrier 3 in a non-full-covering mode, and the brightness adjusting graph 4 is as follows: projecting a two-dimensional bright and dark pattern formed by different light intensity distributions on the light emitting surface of the light source to a pattern or a reverse image pattern formed on the surface of the adjusting carrier as a projection object;
the brightness adjusting pattern 4 does not exceed the surface of the main light emitting surface of the light source lattice 1 and the lower surface of the homogenization layer in the light emitting direction of the main light emitting surface.
It should be understood by those skilled in the art that the brightness adjustment pattern 4 may be disposed not only on the lower surface of the adjustment carrier 3, but also on the upper surface of the adjustment carrier 3, as shown in fig. 2, and even on both the upper and lower surfaces of the adjustment carrier 3.
In this embodiment, the adjusting carrier 3 is an adjusting plate or an adjusting film disposed between the main light emitting surface of the light source lattice 1 and the uniformizing layer 2, and the adjusting carrier 3 is made of PMMA, PC, PS, PI, transparent plastic, glass, sapphire or silica gel; the luminance control pattern 4 is a pattern of density distribution made of optical diffusion powder. The optical diffusion powder is transparent particles with the refractive index different from that of the adjusting carrier material by more than 20%, and light emitted from the main light emitting surface of the light source lattice is refracted and diffused when passing through the optical diffusion powder due to the large refractive index difference between the optical diffusion powder and the adjusting carrier material.
As a more specific embodiment of the present embodiment: the optical diffusion powder is any one or a mixture of two or more of titanium dioxide, silicon dioxide particles and silicon nitride particles.
Example 2
The structure of this embodiment is substantially the same as that of embodiment 1, and as shown in fig. 3, both include
The light source array 1 is provided with at least one main light emitting surface;
the homogenization layer 2 is used for optically diffusing the light emitted from the main light emitting surface, and the homogenization layer 2 is arranged in the extending direction of the light emitting direction of the main light emitting surface of the light source lattice 1;
the adjusting carrier 3 is positioned between the main light-emitting surface and the homogenization layer of the light source lattice 1 in the light-emitting direction of the main light-emitting surface;
the brightness adjusting graph 4 is arranged on the surface of the adjusting carrier 3 in a non-full-covering mode, and the brightness adjusting graph 4 is as follows: projecting a two-dimensional bright and dark pattern formed by different light intensity distributions on the light emitting surface of the light source to a pattern or a reverse image pattern formed on the surface of the adjusting carrier 3 as a projection object;
the brightness adjusting pattern 4 does not exceed the surface of the main light emitting surface of the light source lattice 1 and the lower surface of the homogenization layer 2 in the light emitting direction of the main light emitting surface.
In this embodiment, the adjusting carrier 3 is an adjusting plate or an adjusting film disposed between the main light emitting surface of the light source lattice 1 and the uniformizing layer 2, and the adjusting carrier is made of PMMA, PC, PS, PI, transparent plastic, glass, sapphire or silica gel; the brightness adjusting pattern 4 is an optically brightening microstructure formed on the conditioning support 3, which is generally arranged on one surface of the conditioning support 3, in this embodiment the upper surface of the conditioning support 3, exiting from a medium with a high refractive index into a medium with a low refractive index.
As a more specific implementation of the examples: the optical brightening microstructure is transparent micro-nano-scale protruding particles with the refractive index different from that of the adjusting carrier material by less than 10%, and no gap exists between the nano-scale protruding particles and the adjusting carrier base material. The light emitted from the main light emitting surface of the light source lattice is refracted and converged when passing through the optical diffusion powder.
Of course, it will be understood by those skilled in the art that the optically brightening microstructures can also directly condition the micro-nano scale pits formed on the surface of the support, see fig. 4.
Example 3
The structure of the light-emitting diffuser plate of the present embodiment, as shown in FIG. 5, comprises
The light source array 1 is provided with at least one main light emitting surface;
the homogenization layer 2 is used for optically diffusing the light emitted from the main light emitting surface, and the homogenization layer 2 is arranged in the extending direction of the light emitting direction of the main light emitting surface of the light source lattice 1;
the adjusting carrier 3 is arranged, and the adjusting carrier 3 does not exceed the main light-emitting surface and the homogenization layer of the light source lattice 1 in the light-emitting direction of the main light-emitting surface;
the brightness adjusting graph 4 is arranged on the surface of the adjusting carrier 3 in a non-full-covering mode, and the brightness adjusting graph 4 is as follows: projecting a two-dimensional bright and dark pattern formed by different light intensity distributions on the light emitting surface of the light source to a pattern or a reverse image pattern formed on the surface of the adjusting carrier 3 as a projection object;
the brightness adjusting pattern 4 does not exceed the surface of the main light emitting surface of the light source lattice 1 and the lower surface of the homogenization layer in the light emitting direction of the main light emitting surface.
In the embodiment, the adjusting carrier 3 is used as a base for supporting the brightness adjusting pattern 4, and may be an adjusting plate or an adjusting film independently arranged between the main light-emitting surface of the light source lattice 1 and the uniformizing layer 2, or may be a light source lattice 1 or a uniformizing layer 2 directly used as the adjusting carrier 3 for supporting the brightness adjusting pattern 4, as shown in fig. 5, the adjusting carrier 3 is the uniformizing layer 2, and the brightness adjusting pattern 4 is arranged on a side surface of the uniformizing layer 2 facing the main light-emitting surface; as shown in fig. 6, the adjustment carrier 3 is a light source lattice 1, and the brightness adjustment pattern 4 is disposed on a main light emitting surface of the light source lattice 1.
Claims (10)
1. The utility model provides a uniform light-emitting diffuser plate structure which characterized in that: comprises that
The light source lattice is provided with at least one main light emitting surface;
the light source comprises a main light-emitting surface, a homogenization layer and a light source, wherein the homogenization layer is used for optically diffusing light emitted from the main light-emitting surface and is arranged in the extending direction of the light-emitting direction of the main light-emitting surface;
the adjusting carrier does not exceed the main light-emitting surface and the homogenization layer of the light source lattice in the light-emitting direction of the main light-emitting surface;
the brightness adjusting graph is arranged on the surface of the adjusting carrier in a non-full-covering mode and comprises the following components: projecting a two-dimensional bright and dark pattern formed by different light intensity distributions on the light emitting surface of the light source to a pattern or a reverse image pattern formed on the surface of the adjusting carrier as a projection object;
the brightness adjusting pattern is not more than the surface of the main light emitting surface of the light source lattice and the lower surface of the homogenization layer in the light emitting direction of the main light emitting surface.
2. The structure of a uniform light exit diffuser plate of claim 1, wherein: the brightness adjusting pattern is a density distribution pattern formed by optical diffusion powder.
3. The structure of a uniform light exit diffuser plate according to claim 2, wherein: the optical diffusion powder is transparent particles with the refractive index difference of more than 20% with the refractive index of the adjusting carrier material.
4. The structure of a uniform light exit diffuser plate of claim 1, wherein: the brightness adjusting pattern is an optical brightening microstructure formed on an adjusting carrier, and the optical brightening microstructure is arranged on one surface of the adjusting carrier, which is emergent from a medium with a high refractive index to a medium with a low refractive index.
5. The structure of a uniform light exit diffuser plate of claim 4, wherein: the optical brightening microstructure is transparent micro-nano-scale protruding particles with the refractive index different from that of the adjusting carrier material by less than 10%, and no gap exists between the micro-nano-scale protruding particles and the adjusting carrier base material.
6. The structure of a uniform light exit diffuser plate of claim 4, wherein: the optical brightening microstructure is a pit with a micro-nano scale.
7. The structure of a uniform light exit diffuser plate of claim 1, wherein: the adjusting carrier is a homogenization layer, and the brightness adjusting pattern is arranged on the surface of one side, facing the main light emitting surface, of the homogenization layer.
8. The structure of a uniform light exit diffuser plate of claim 1, wherein: the adjusting carrier is a light source lattice, and the brightness adjusting graph is arranged on a main light emitting surface of the light source lattice.
9. The structure of a uniform light exit diffuser plate of claim 1, wherein: the adjusting carrier is an adjusting plate or an adjusting film arranged between the main light-emitting surface of the light source lattice and the homogenization layer.
10. The structure of a uniform light exit diffuser plate of claim 9, wherein: the adjusting carrier is made of any one of PMMA, PC, PS, PI, transparent plastic, glass, sapphire or silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920223427.6U CN211086670U (en) | 2019-02-22 | 2019-02-22 | Even light-emitting diffusion plate structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920223427.6U CN211086670U (en) | 2019-02-22 | 2019-02-22 | Even light-emitting diffusion plate structure |
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| CN211086670U true CN211086670U (en) | 2020-07-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655949A (en) * | 2019-02-22 | 2019-04-19 | 海迪科（南通）光电科技有限公司 | It is a kind of uniformly to go out light diffusing sheet structure and its manufacturing method |
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2019
- 2019-02-22 CN CN201920223427.6U patent/CN211086670U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655949A (en) * | 2019-02-22 | 2019-04-19 | 海迪科（南通）光电科技有限公司 | It is a kind of uniformly to go out light diffusing sheet structure and its manufacturing method |
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