CN216285795U - Even light-emitting diffusion plate structure - Google Patents
Even light-emitting diffusion plate structure Download PDFInfo
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- CN216285795U CN216285795U CN202123215735.0U CN202123215735U CN216285795U CN 216285795 U CN216285795 U CN 216285795U CN 202123215735 U CN202123215735 U CN 202123215735U CN 216285795 U CN216285795 U CN 216285795U
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Abstract
The utility model discloses a uniform light-emitting diffusion plate structure, which relates to the field of light diffusion plates and comprises a light-emitting matrix, wherein the front surface of the light-emitting matrix is provided with an astigmatism transparent block, a plurality of crystals with different refractive indexes are arranged in the astigmatism transparent block, the front surface of the astigmatism transparent block is provided with a light splitting mechanism, the front surface of the light splitting mechanism is provided with a homogenization layer, the light splitting mechanism comprises a frame and a honeycomb plate, the front surface of the astigmatism transparent block is provided with a frame positioned at the edge of the astigmatism transparent block, and three layers of honeycomb plates are arranged in the frame. The light emitting device comprises a light scattering and transmitting block, a light splitting mechanism, a light scattering and transmitting layer and a light diffusing layer, wherein the front surface of the adjusting carrier is provided with the light scattering and transmitting block, the light scattering and transmitting block is internally provided with a plurality of crystals with different refractive indexes, the light splitting mechanism is arranged on the front surface of the light scattering and transmitting block, light is refracted through the crystals with different refractive indexes in the light scattering and transmitting block, the light is divided through the multi-layer honeycomb plates with the mutually staggered meshes of the light splitting mechanism, and finally the light is optically diffused through the homogenizing layer, so that the light emitted by the light emitting matrix can be uniformly emitted.
Description
Technical Field
The utility model relates to the field of light diffusion plates, in particular to a uniform light emitting diffusion plate structure.
Background
As is well known, most of the existing light sources are point light sources, and from the point light sources to the surface light sources, uneven light emitting sources appear, some of the existing light sources are atomized, the brightness is sacrificed, the light emitting rate is reduced, the uniformity is improved, and the problem of uniformity of light is not thoroughly solved although the existing diffusion plates are various in types. With the improvement of living standard, people's demand for light culture is higher and higher, people require the emitted light to be uniform, the light emitting efficiency is high, and the thinner the light is, which becomes the focus of attention in the LED industry, the light diffusion plate utilizes the physical phenomena of refraction, reflection and scattering when the light meets two media with different refractive indexes in the traveling path by means of chemistry or physics, and the light is refracted, reflected and scattered in different directions by adding inorganic or organic light diffusion agent in the base of PMMA, PC, PS, PP and other base materials, or artificially adjusting the light by the array arrangement of micro-feature structures on the surface of the base materials, so as to change the traveling path of the light, realize the effect of optical diffusion by filling and dispersing the color of the incident light, and the light diffusion plate is widely applied in liquid crystal display, LED lighting and imaging display systems.
The existing uniform light-emitting diffuser structure is generally matched with a uniformizing layer by using a brightness adjusting structure matched with a surface light source shadow so as to achieve the purpose of uniformly distributing light of an opposite light source.
However, the light distribution is not uniform enough by the cooperation of the brightness adjusting structure and the uniformization layer.
SUMMERY OF THE UTILITY MODEL
Based on this, the present invention provides a uniform light-emitting diffuser structure to solve the technical problem that the light distribution of the existing uniform light-emitting diffuser structure is not uniform enough.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an even light-emitting diffusion plate structure, includes the light-emitting matrix, the light-emitting matrix openly is provided with the astigmatism and passes through the piece, and the astigmatism passes through the inside different crystals that are provided with multiple refracting index of piece, the astigmatism passes through the piece and openly is provided with beam splitting mechanism, and beam splitting mechanism openly is provided with the homogenization layer, beam splitting mechanism includes frame and honeycomb panel, the astigmatism passes through the piece and openly is provided with the frame that is located the astigmatism and passes through the piece edge, and the inside multilayer honeycomb panel that is provided with of frame, multilayer the mesh of honeycomb panel is crisscross each other.
Through adopting above-mentioned technical scheme, the light emitting matrix is the light source, and the astigmatism passes through the crystal that the piece accessible internal refraction is different and carries out the refraction distribution to light, and beam splitting mechanism can make light softer, and the homogenization layer can carry out optical diffusion to light, and the frame can prevent the light leak, and the honeycomb panel can be cut apart to light.
The utility model is further provided that the outer side surface of the light scattering and transmitting block is provided with a light-tight layer, and the inner wall of the light-tight layer is provided with a reflecting layer.
By adopting the technical scheme, the light-tight layer can prevent light from dissipating through the side face of the light-scattering transparent block, and the reflection layer can reduce the loss of diffuse reflection to the light.
The utility model is further provided that an adjusting carrier is arranged between the light emitting matrix and the light scattering and transmitting block, and the back of the adjusting carrier is provided with a plurality of brightness adjusting structures higher than the surface of the adjusting carrier.
By adopting the technical scheme, the adjusting carrier and the brightness adjusting structure can diffuse light.
The honeycomb plates are three layers, the frame is fixedly connected to the honeycomb plate in the middle layer, and the other two layers of honeycomb plates are arranged in the frame, so that the three layers of honeycomb plates can be assembled and positioned conveniently. The utility model is further arranged that a mirror layer is arranged inside the frame.
By adopting the technical scheme, the mirror layer can reduce the loss of diffuse reflection to light.
The utility model is further set that the material of the brightness adjusting structure is titanium dioxide.
By adopting the technical scheme, the material of the brightness adjusting structure is titanium dioxide, and the refractive index to light is higher.
In summary, the utility model mainly has the following beneficial effects:
the light emitting device comprises a light scattering and transmitting block, a light splitting mechanism, a light scattering and transmitting layer and a light diffusing layer, wherein the front surface of the adjusting carrier is provided with the light scattering and transmitting block, the light scattering and transmitting block is internally provided with a plurality of crystals with different refractive indexes, the light splitting mechanism is arranged on the front surface of the light scattering and transmitting block, light is refracted through the crystals with different refractive indexes in the light scattering and transmitting block, the light is divided through the multi-layer honeycomb plates with the mutually staggered meshes of the light splitting mechanism, and finally the light is optically diffused through the homogenizing layer, so that the light emitted by the light emitting matrix can be uniformly emitted.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a partial schematic structural view of the present invention;
fig. 3 is an exploded view of the light splitting mechanism of the present invention.
In the figure: 1. a light emitting matrix; 2. adjusting the carrier; 3. a light diffusing block; 4. a light splitting mechanism; 401. a frame; 402. a honeycomb panel; 5. a homogenization layer; 6. and a brightness adjusting structure.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The following describes an embodiment of the present invention based on its overall structure.
The utility model provides an even light-emitting diffuser plate structure, as shown in fig. 1-3, includes light emitting matrix 1, and light emitting matrix 1 openly is provided with astigmatism and passes through piece 3, and astigmatism passes through the inside crystal that is provided with the multiple refracting index difference of piece 3, and light emitting matrix 1 is the light source, inside LED lamp pearl of inlaying usually. The crystals inside the light diffusion block 3 are irregularly distributed crystals with irregular shapes. The actual refractive indices of these crystals to light are also different due to uncertainties in their shape, size, and position distribution. This has decided that the astigmatism passes through the different crystal of 3 accessible internal refraction indexes of block and refracts the light and distribute, the astigmatism passes through block 3 and openly is provided with beam splitting mechanism 4, can make light softer, and beam splitting mechanism 4 openly is provided with uniformization layer 5, can carry out the optical diffusion to the light, beam splitting mechanism 4 includes frame 401 and honeycomb panel 402, the astigmatism passes through block 3 openly to be provided with and is located the astigmatism and passes through frame 401 at 3 edges of block, can prevent the light leak, and frame 401 is inside to be provided with multilayer honeycomb panel 402, the mesh of multilayer honeycomb panel 402 is crisscross each other, can cut apart the light.
The honeycomb plate 402 generally has three layers, the frame 401 is fixedly connected to the honeycomb plate 402 in the middle layer, the other two honeycomb plates 402 are arranged inside the frame 401, so that the assembly and positioning of the three honeycomb plates 401 are facilitated, and the thickness of the frame 401 is equal to the sum of the total thicknesses of all the honeycomb plates 402. The mirror layer is preferably disposed inside the frame 401 to reduce the light loss caused by diffuse reflection. The thickness and internal pore size of the honeycomb panel 402 should be moderate so as not to significantly affect the illumination intensity.
Referring to fig. 1, the outer side (outer edge) of the light-scattering-transparent block 3 is provided with a light-impermeable layer to prevent light from scattering through the side of the light-scattering-transparent block 3 and causing light leakage on the side, and the inner wall of the light-impermeable layer is provided with a reflective layer to reduce the light loss caused by diffuse reflection.
Referring to fig. 1 and 2, an adjusting carrier 2 is disposed between the light emitting matrix 1 and the light scattering block 3, and a plurality of brightness adjusting structures 6 are disposed on the back side (opposite to the light emitting matrix 1) of the adjusting carrier 2, and the adjusting carrier 2 and the brightness adjusting structures 6 can diffuse light.
Referring to fig. 2, the material of the brightness adjusting structure 6 is titanium dioxide, which has a higher refractive index to light.
The working principle of the utility model is as follows: during the use, luminous matrix 1 is luminous (usually inside LED lamp pearl is luminous), light is earlier diffused through luminance control structure 6 and regulation carrier 2, light is passing astigmatism and is passing through piece 3 after, by astigmatism pass through the different crystal of refractive index in the piece 3 and carry out refraction distribution, it is more even to make light pass through astigmatism and pass through piece 3 after, light is cut apart to beam splitting mechanism 4's honeycomb panel 402 after, it is softer to make light penetrate out, the frame 401 all can prevent the light leak with the light tight layer of astigmatism pass through 3 outer walls of piece, homogenization layer 5 carries out optical diffusion to light at last, can make the even and soft light that luminous matrix 1 sent out.
Compared with the prior art, the light emitting device has the advantages that the light scattering and transmitting block 3 with various crystals with different refractive indexes is arranged on the front surface of the adjusting carrier 2, the light splitting mechanism 4 is arranged on the front surface of the light scattering and transmitting block 3, light is refracted through the crystals with different refractive indexes in the light scattering and transmitting block 3, light is distributed more uniformly, the light is split through the multi-layer honeycomb plate 402 with the mutually staggered meshes of the light splitting mechanism 4, and finally the light is optically diffused through the homogenizing layer 5, so that the light emitted by the light emitting matrix can be uniformly emitted. The embodiment is particularly suitable for application scenes with high requirements on uniform light.
Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.
Claims (7)
1. A uniform light exit diffuser structure comprising a light emitting matrix (1), characterized in that: light-emitting matrix (1) openly is provided with astigmatism and passes through piece (3), and astigmatism passes through the inside crystal that is provided with multiple refractive index difference of piece (3), astigmatism passes through piece (3) and openly is provided with beam splitting mechanism (4), and beam splitting mechanism (4) openly is provided with uniformization layer (5), beam splitting mechanism (4) are including frame (401) and honeycomb panel (402), astigmatism passes through piece (3) and openly is provided with frame (401) that are located astigmatism and pass through piece (3) edge, and frame (401) inside is provided with multilayer honeycomb panel (402), multilayer the mesh of honeycomb panel (402) is crisscross each other.
2. The structure of claim 1, wherein: the outer side surface of the light scattering and transmitting block (3) is provided with a light-tight layer, and the inner wall of the light-tight layer is provided with a reflecting layer.
3. The structure of claim 1, wherein: an adjusting carrier (2) is arranged between the light emitting matrix (1) and the light scattering and transmitting block (3), and a plurality of brightness adjusting structures (6) higher than the surface of the adjusting carrier (2) are arranged on the back of the adjusting carrier (2).
4. The structure of claim 1, wherein: the cellular board (402) has three layers, the frame (401) is fixedly connected to the cellular board (402) at the middle layer, and the other two layers of cellular boards (402) are arranged inside the frame (401).
5. A structure of a light diffuser plate for uniformly emitting light according to claim 1 or 4, wherein: the mirror surface layer is arranged on the inner side of the frame (401), and the thickness of the frame (401) is equal to the sum of the thicknesses of all the cellular boards (402).
6. A structure of a light diffuser plate for uniformly emitting light according to claim 3, wherein: the brightness adjusting structure (6) is a plurality of rectangular bulges distributed in an array manner.
7. A structure of a light diffuser plate for uniformly emitting light according to claim 3 or 6, wherein: the material of the brightness adjusting structure (6) is titanium dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123215735.0U CN216285795U (en) | 2021-12-20 | 2021-12-20 | Even light-emitting diffusion plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123215735.0U CN216285795U (en) | 2021-12-20 | 2021-12-20 | Even light-emitting diffusion plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216285795U true CN216285795U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123215735.0U Active CN216285795U (en) | 2021-12-20 | 2021-12-20 | Even light-emitting diffusion plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216285795U (en) |
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2021
- 2021-12-20 CN CN202123215735.0U patent/CN216285795U/en active Active
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