CN218728125U - Even light board with compound eye structure - Google Patents
Even light board with compound eye structure Download PDFInfo
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- CN218728125U CN218728125U CN202222874116.0U CN202222874116U CN218728125U CN 218728125 U CN218728125 U CN 218728125U CN 202222874116 U CN202222874116 U CN 202222874116U CN 218728125 U CN218728125 U CN 218728125U
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Abstract
The utility model discloses a dodging plate with a compound eye structure, which comprises a plane plate and a dodging layer; the dodging layer is fixed at the upper end of the plane plate and is provided with a plurality of fly-eye lenses which are connected with each other; the fly-eye lens is provided with a light-transmitting part protruding upwards, and the lower end of the fly-eye lens is provided with a connecting part for connecting the plane plate; the adjacent fly-eye lenses are bonded to each other through the connecting portion. By arranging the plane plate and the light homogenizing layer, the light homogenizing layer can uniformly disperse light rays, so that the light rays are ensured to be soft and uniform after being emitted onto the plane plate, and the using effect of the light homogenizing plate with the compound eye structure is improved; through setting up compound printing opacity portion and connecting portion, a plurality of compound eye lens can be stably, fix on the flat panel in order, have both guaranteed the even light effect on even light layer, have also simplified the structure of even light board, and the flat panel of being convenient for and even light layer carry out quick, stable production, reduce the manufacturing cost of even light board.
Description
Technical Field
The utility model belongs to the technical field of the even light board and specifically relates to an even light board with compound eye structure.
Background
The fly-eye lens is formed by combining a series of small lenses, and the double-row fly-eye lens array is applied to an illumination system to obtain high light energy utilization rate and large-area uniform illumination, so that the fly-eye lens has wide application prospect in the fields of micro-displays and projection display. The key point of realizing uniform illumination by utilizing the double-row compound eye lens array is to improve the uniformity and the illumination brightness of the compound eye lens array, and the existing light homogenizing plate with the compound eye structure has the problems of complex structure and poor light homogenizing effect, so that the production cost and the using effect of the light homogenizing plate are influenced.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide an even light plate with a compound eye structure, which ensures the light transmission effect of the even light plate and reduces the production cost of the even light plate.
The utility model provides a technical scheme that its problem adopted is:
an dodging plate with a compound eye structure comprises a plane plate and a dodging layer; the dodging layer is fixed at the upper end of the plane plate, and a plurality of fly-eye lenses which are connected with each other are arranged on the dodging layer; the fly-eye lens is provided with a light-transmitting part protruding upwards, and the lower end of the fly-eye lens is provided with a connecting part for connecting a plane plate; the adjacent fly-eye lenses are attached to each other through the connecting parts.
The dodging plate with the compound eye structure at least has the following beneficial effects: by arranging the plane plate and the light homogenizing layer, the light homogenizing layer can uniformly disperse light rays, the light rays are ensured to be soft and uniform after being irradiated on the plane plate, and the using effect of the light homogenizing plate with the compound eye structure is improved; through setting up compound printing opacity portion and connecting portion, a plurality of compound eye lens can be stably, fix on the flat panel in order, have both guaranteed the even light effect on even light layer, have also simplified the structure of even light board, and the flat panel of being convenient for and even light layer carry out quick, stable production, reduce the manufacturing cost of even light board.
Further, the height of the connection portion and the light transmission portion gradually increases in a direction toward the middle position of the fly-eye lens. The structure ensures that the light energy in the aperture of the whole fly eye lens is effectively and uniformly utilized when the light passes through the light transmission part and the connecting part, and ensures the illumination brightness after the light passes through the light homogenizing layer.
Further, the lower end of the connecting part is in a regular hexagon shape. The structure ensures the connection stability and tightness between the light transmission parts, so that light can be totally refracted and dispersed through the light transmission parts, and the utilization rate of the light is improved.
Further, the light transmission part is a sphere, and the ratio of the height of the light transmission part to the side length of the connecting part is golden section number. The structure ensures that the light transmission part can divide the whole wide light beam of the light source into a plurality of thin light beams for illumination, and avoids the conditions of uneven light and insufficient illumination intensity.
Furthermore, a connecting line between the spherical center of the light transmission part and the center of the connecting part is perpendicular to the plane where the plane plate is located. The structure ensures that light rays vertical to the plane plate can pass through the light transmission part and be symmetrically refracted, more thin light beams parallel to each other are formed, and the light transmission effect of the light homogenizing layer is ensured.
Further, the upper end of the connecting part is arc-shaped. The structure ensures the connection stability between the fly-eye lenses, and avoids the condition that the fly-eye lenses fall off to influence the integrity of the light homogenizing plate with the fly-eye structure.
Further, the ratio of the height of the connecting part to the height of the light transmitting part is less than 1/3. The structure ensures the space and the compactness among the compound eye lenses and avoids the phenomenon that the compound eye lenses are too dense to influence the light guide performance of the light homogenizing plate.
Furthermore, the fly-eye lenses are uniformly distributed at the upper end of the plane plate in a plurality of rows. The structure ensures that a plurality of fly-eye lenses refract and disperse light rays, and improves the utilization rate of the light homogenizing layer.
Further, the plane plate and the dodging layer are integrally formed. The structure simplifies the structure and the production flow of the light homogenizing plate and improves the integrity of the light homogenizing plate.
Further, the plane plate and the dodging layer are both made of polymethyl methacrylate. The polymethyl methacrylate has the advantages of strong light transmission and easy processing, and the plane plate and the light homogenizing layer are both made of polymethyl methacrylate, so that the production efficiency of the light homogenizing plate can be effectively improved, and the production flow of the light homogenizing plate is simplified.
The light homogenizing plate with the compound eye structure has the beneficial effects that: by arranging the plane plate and the light homogenizing layer, the light homogenizing layer can uniformly disperse light rays, so that the light rays are ensured to be soft and uniform after being emitted onto the plane plate, and the using effect of the light homogenizing plate with the compound eye structure is improved; by arranging the light-mixing and transmitting parts and the connecting parts, the compound eye lenses can be stably and orderly fixed on the plane plate, so that the light-mixing effect of the light-mixing layer is ensured, the structure of the light-mixing plate is simplified, the plane plate and the light-mixing layer can be conveniently and rapidly and stably produced, and the production cost of the light-mixing plate is reduced; the ratio of the height of the light transmission part to the side length of the connecting part is golden section number, so that the light transmission part can divide the whole wide light beam of the light source into a plurality of thin light beams for illumination, and the conditions of uneven light and insufficient illumination intensity are avoided.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a light uniformizing plate with a compound eye structure according to an embodiment of the present invention;
fig. 2 is a partial enlarged view of a light-homogenizing plate with a compound eye structure according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a light-homogenizing plate with a compound eye structure according to another embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides a light uniformizing plate with a compound eye structure, including a planar plate 100 and a light uniformizing layer 200; the dodging layer 200 is fixed at the upper end of the plane plate 100, and a plurality of fly-eye lenses 210 which are connected with each other are arranged on the dodging layer 200; the fly-eye lens 210 is provided with a light-transmitting part 211 protruding upwards, and the lower end of the fly-eye lens 210 is provided with a connecting part 212 for connecting the plane plate 100; the adjacent fly-eye lenses 210 are bonded to each other by a connecting portion 212.
By arranging the plane board 100 and the light homogenizing layer 200, the light homogenizing layer 200 can uniformly disperse light rays, ensure that the light rays are soft and uniform after being irradiated on the plane board 100, and improve the using effect of the light homogenizing board with a compound eye structure; by arranging the complex light transmission part 211 and the connecting part 212, the complex eye lenses 210 can be stably and orderly fixed on the flat panel 100, so that the light uniformizing effect of the light uniformizing layer 200 is ensured, the structure of the light uniformizing plate is simplified, the flat panel 100 and the light uniformizing layer 200 can be conveniently and rapidly and stably produced, and the production cost of the light uniformizing plate is reduced.
In another embodiment, the height of the connection portion 212 and the light-transmitting portion 211 gradually increases in a direction toward the middle of the fly-eye lens 210. This structure ensures that the light energy in the aperture of the fly-eye lens 210 is effectively and uniformly utilized when the light passes through the light-transmitting portion 211 and the connecting portion 212, and ensures the illumination brightness after the light passes through the light-homogenizing layer 200.
In another embodiment, the lower end of the connecting portion 212 has a regular hexagon shape. The structure ensures the connection stability and tightness between the light transmission parts 211, so that light can be totally refracted and dispersed through the light transmission parts 211, and the utilization rate of the light is improved.
In another embodiment, the light-transmitting portion 211 is a sphere, and a ratio of a height of the light-transmitting portion 211 to a side length of the connecting portion 212 is a golden section number. The structure ensures that the light transmission part 211 can divide the whole wide light beam of the light source into a plurality of thin light beams for illumination, thereby avoiding the conditions of uneven light and insufficient illumination intensity. Illustratively, the height of the light-transmitting portion 211 is 10.5mm, and the side length of the connecting portion 212 is 17mm.
In another embodiment, a line connecting the spherical center of the light-transmitting portion 211 and the center of the connecting portion 212 is perpendicular to the plane of the planar plate 100. This structure ensures that the light perpendicular to the flat panel 100 can pass through the light-transmitting portion 211 and be refracted symmetrically, so as to form more mutually parallel beamlets, thereby ensuring the light-transmitting effect of the light-homogenizing layer 200.
In another embodiment, the upper end of the connecting portion 212 is arc-shaped. The structure ensures the connection stability between the fly-eye lenses 210, and avoids the condition that the fly-eye lenses 210 fall off to influence the integrity of the light homogenizing plate with the fly-eye structure.
In another embodiment, the ratio of the height of the connection portion 212 to the height of the light-transmitting portion 211 is less than 1/3. The structure ensures the space and the tightness among the compound eye lenses 210, and avoids the phenomenon that the compound eye lenses 210 are too dense to influence the light guide performance of the light homogenizing plate. Illustratively, the height of the connection portion 212 is 3.3mm, and the height of the light transmission portion 211 is 10.5mm.
In another embodiment, a plurality of fly-eye lenses 210 are uniformly distributed in a plurality of rows on the upper end of the flat panel 100. This structure ensures that the fly-eye lenses 210 refract and disperse light, improving the utilization of the light homogenizing layer 200.
In another embodiment, the flat panel 100 and the light uniformity layer 200 are integrally formed. The structure simplifies the structure and the production flow of the light homogenizing plate and improves the integrity of the light homogenizing plate.
In another embodiment, the flat panel 100 and the levelling layer 200 are both made of polymethyl methacrylate. The polymethyl methacrylate has the advantages of strong light transmission and easy processing, and the plane plate 100 and the light homogenizing layer 200 are both made of polymethyl methacrylate, so that the production efficiency of the light homogenizing plate can be effectively improved, and the production flow of the light homogenizing plate is simplified.
The working principle of the present invention will be further explained below.
In the production process, firstly, according to the requirements of customers, a roller die with a corresponding shape and specification is selected, so that the roller die is provided with a convex block with the same shape as the light-transmitting part 211 and the connecting part 212; after melting the polymethyl methacrylate raw material, extruding the melted polymethyl methacrylate raw material onto a roller die to extrude a uniform light layer 200 and a flat plate 100 with corresponding shapes and specifications; because the light transmission part 211 is a sphere, the upper end of the connecting part 212 is arc-shaped, the light homogenizing layer 200 can be completely separated from the roller die after molding, the integrity of the light homogenizing layer 200 is ensured, and the production efficiency and the yield of the light homogenizing plate are also improved.
In the use, set up two even boards according to predetermined distance in the below of light source, and two even boards back to back set up, set up the screen in the one end of keeping away from the light source. Light rays vertical to the plane plate 100 pass through the light transmission part 211 on the first light homogenizing plate and are focused at the center of the light transmission part 211 on the second light homogenizing plate, and at the moment, the light rays pass through the fly eye lens 210 of the first light homogenizing plate to form a plurality of light source images to illuminate the second light homogenizing plate. The light transmission parts 211 on the light homogenizing plate are overlapped and imaged on the illumination surface by each light transmission part 211 of the second light homogenizing plate, the whole wide light beam of the light is divided into a plurality of thin light beams for illumination by the first light homogenizing plate, and the vertical axis nonuniformity of the thin light beams is compensated due to the mutual superposition of the thin light beams at the symmetrical positions, so that the light energy in the whole aperture is effectively and uniformly utilized. The light spots emitted from the second light homogenizing plate are focused on the screen through the light transmission part 211, each point of the light spots on the screen is irradiated by light rays emitted by all points of the light source, meanwhile, light beams emitted by each point on the light source are intersected and overlapped in the same view field range on the illumination light spots after passing through the first light homogenizing plate and the second light homogenizing plate, and an even square light spot is formed on the screen.
As can be seen from the above description, the light homogenizing plate with a compound eye structure of the present invention has the planar plate 100 and the light homogenizing layer 200, the light homogenizing layer 200 can disperse light uniformly, so as to ensure that the light is soft and uniform after striking the planar plate 100, and improve the using effect of the light homogenizing plate with the compound eye structure; by arranging the light-mixing and transmitting part 211 and the connecting part 212, the compound eye lenses 210 can be stably and orderly fixed on the flat panel 100, so that the light-mixing effect of the light-mixing layer 200 is ensured, the structure of the light-mixing plate is simplified, the flat panel 100 and the light-mixing layer 200 can be conveniently and rapidly and stably produced, and the production cost of the light-mixing plate is reduced; the ratio of the height of the light-transmitting part 211 to the side length of the connecting part 212 is golden, so that the light-transmitting part 211 can divide the whole wide light beam of the light source into a plurality of thin light beams for illumination, and the conditions of uneven light and insufficient illumination intensity are avoided.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. A dodging plate with a compound eye structure is characterized by comprising a plane plate and a dodging layer; the dodging layer is fixed at the upper end of the plane plate, and a plurality of fly-eye lenses which are connected with each other are arranged on the dodging layer; the fly-eye lens is provided with a light-transmitting part protruding upwards, and the lower end of the fly-eye lens is provided with a connecting part for connecting a plane plate; the adjacent fly-eye lenses are attached to each other through the connecting parts.
2. The light homogenizing plate with a fly eye structure as claimed in claim 1, wherein the height of the connecting portion and the light transmitting portion gradually increases in a direction approaching a middle position of the fly eye lens.
3. A light distribution plate with compound eye structure as claimed in claim 2, wherein the lower end of the connecting portion is regular hexagon.
4. The light homogenizing plate with a compound eye structure as claimed in claim 3, wherein the light transmitting portion is a sphere, and the ratio of the height of the light transmitting portion to the side length of the connecting portion is golden section.
5. The light homogenizing plate with a compound eye structure as claimed in claim 4, wherein a line connecting a spherical center of the light transmitting portion and a center of the connecting portion is perpendicular to a plane of the planar plate.
6. A light distribution plate with compound eye structure as claimed in claim 2, wherein the upper end of the connecting portion is arc-shaped.
7. The light homogenizing plate with a compound eye structure as claimed in claim 6, wherein the ratio of the height of the connecting portion to the height of the light transmitting portion is less than 1/3.
8. The dodging plate with the compound eye structure, as claimed in claim 1, wherein a plurality of said compound eye lenses are uniformly distributed on the upper end of the plane plate in a plurality of rows.
9. The light homogenizing plate with the compound eye structure as claimed in claim 1, wherein the plane plate and the light homogenizing layer are integrally formed.
10. The light uniformizing plate with the compound eye structure according to claim 9, wherein the plane plate and the light uniformizing layer are made of polymethyl methacrylate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222874116.0U CN218728125U (en) | 2022-10-28 | 2022-10-28 | Even light board with compound eye structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222874116.0U CN218728125U (en) | 2022-10-28 | 2022-10-28 | Even light board with compound eye structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218728125U true CN218728125U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222874116.0U Active CN218728125U (en) | 2022-10-28 | 2022-10-28 | Even light board with compound eye structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218728125U (en) |
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2022
- 2022-10-28 CN CN202222874116.0U patent/CN218728125U/en active Active
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