CN210775898U

CN210775898U - Diffusion sheet with microstructures

Info

Publication number: CN210775898U
Application number: CN201922208188.XU
Authority: CN
Inventors: 王恩辉; 刘强
Original assignee: Qingdao Zhuoyingshe Technology Co ltd
Current assignee: Qingdao Zhuoyingshe Technology Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-06-16
Anticipated expiration: 2029-12-11

Abstract

The utility model belongs to the technical field of optical devices, in particular to a diffusion sheet with a microstructure, which comprises an anti-oxidation layer, a first coating, a substrate layer, a second coating and a microstructure layer which are connected in sequence from bottom to top; the micro-structure layer is provided with a prism group, the prism group comprises main prisms and auxiliary prisms, the main prisms and the auxiliary prisms are arranged in a staggered mode, the number of the auxiliary prisms between every two adjacent main prisms is four, the heights of the main prisms are larger than those of the auxiliary prisms, and the side faces of the adjacent prisms of the main prisms and the auxiliary prisms are perpendicular to each other; the lower surface of the oxidation resistant layer is provided with a scattering structure, the scattering structure is at least two groove holes which are uniformly distributed, the light scattering effect is enhanced, and the shielding performance of the diffusion sheet is improved.

Description

Diffusion sheet with microstructures

Technical Field

The utility model belongs to the technical field of optical device, a diffusion piece with micro-structure is related to.

Background

The present diffusion piece exists the relatively poor problem of shielding nature more, and utility model patent document of publication No. CN207851335U discloses a diffusion piece, and it includes a substrate layer and pastes and locates the diffusion layer and the subsides of substrate layer upper surface are located the coating layer of substrate layer lower surface, the upper surface of diffusion layer toward the direction of substrate layer is formed with a diffusion unit, the diffusion unit includes a plurality of diffusion microstructures, the top surface of diffusion microstructure is recessed spherical arc shape, the lower surface of coating layer toward the direction of substrate layer is formed with the spacing breach of a plurality of, be equipped with the stopper on the spacing breach, the stopper highly be not higher than the lower surface of coating layer, it though can improve the diffusion effect, but its same existence shielding nature relatively poor problem.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that prior art exists, the utility model aims to provide a diffusion piece with micro-structure to improve the shielding nature of diffusion piece.

To achieve the purpose, the utility model adopts the following technical proposal:

a diffusion sheet with a microstructure comprises an anti-oxidation layer, a first coating, a base material layer, a second coating and a microstructure layer which are sequentially connected from bottom to top; the micro-structure layer is provided with a prism group, the prism group comprises main prisms and auxiliary prisms, the main prisms and the auxiliary prisms are arranged in a staggered mode, the number of the auxiliary prisms between every two adjacent main prisms is four, the heights of the main prisms are larger than those of the auxiliary prisms, and the side faces of the adjacent prisms of the main prisms and the auxiliary prisms are perpendicular to each other; and a scattering structure is arranged on the lower surface of the anti-oxidation layer and is at least two groove holes which are uniformly distributed.

The utility model discloses a diffusion piece with micro-structure, the slotted hole face in recess hole can be the arc surface.

It may also be preferred that the recess aperture may be rectangular. The inner wall of the groove hole can be a corrugated surface.

It is also preferable that the anti-oxidation layer, the first coating layer, the substrate layer, the second coating layer and the microstructure layer are connected through glue layers. The glue layer may be an optical glue.

It is also preferable that the bottom surfaces of the primary and secondary prisms may be square.

It is also preferable that the side surfaces of the primary and secondary prisms are regular triangles.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a diffusion piece with microstructure can solve the current diffusion piece and have the relatively poor problem of shielding nature many times, and it has strengthened the scattering effect of light, improves the shielding nature of diffusion piece.

Drawings

Fig. 1 is a schematic structural view of a diffusion sheet with microstructures according to the present invention.

Fig. 2 is a bottom view of the oxidation resistant layer of the diffusion sheet with microstructures according to the present invention.

Fig. 3 is a schematic structural diagram of a microstructure layer of the diffusion sheet with microstructures according to the present invention.

In the figure, 1 is an anti-oxidation layer, 101 is a groove hole, 2 is a first coating layer, 3 is a base material layer, 4 is a second coating layer, 5 is a microstructure layer, 501 is a main prism, and 502 is a secondary prism.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Example 1

A diffusion sheet with a microstructure is shown in figure 1 and comprises an oxidation resistant layer 1, a first coating layer 2, a base material layer 3, a second coating layer 4 and a microstructure layer 5 which are sequentially connected from bottom to top; the microstructure layer 5 is provided with a prism group, referring to fig. 3, the prism group comprises main prisms 501 and auxiliary prisms 502, the main prisms 501 and the auxiliary prisms 502 are arranged in a staggered manner, the number of the auxiliary prisms 502 between two adjacent main prisms 501 is four, the height of the main prisms 501 is greater than that of the auxiliary prisms 502, and the adjacent prism side surfaces of the main prisms 501 and the auxiliary prisms 502 are perpendicular to each other; referring to fig. 2, a scattering structure is disposed on a lower surface of the oxidation resistant layer 1, and the scattering structure is at least two groove holes 101 uniformly distributed.

In the diffusion sheet with the microstructure of the embodiment, four secondary prisms 502 are arranged between two adjacent primary prisms 501, the heights of the primary prisms 501 are greater than those of the secondary prisms 502, and the lower surface of the oxidation resistant layer 1 adopts a scattering structure, which is beneficial to improving the shielding property.

Example 2

The utility model discloses a diffusion piece with microstructure on embodiment 1's basis, the slotted hole face of recess hole 101 can be the arc surface.

Also specifically, the recess hole 101 may be circular.

Specifically, the anti-oxidation layer 1, the first coating layer 2, the substrate layer 3, the second coating layer 4 and the microstructure layer 5 are connected through an adhesive layer. The glue layer may be an optical glue.

Specifically, the bottom surfaces of the primary prism 501 and the secondary prism 502 may be square.

Specifically, the side surfaces of the primary prism 501 and the secondary prism 502 may be regular triangles.

The utility model discloses a diffusion piece with microstructure, antioxidation layer 1, first coating 2, substrate layer 3, second coating 4 and micro-structure layer 5 can be the rectangle, and its length of side corresponds and equals. Groove hole 101 may also be square, and at this time, the bent portion of groove hole 101 may be provided with a chamfer, and the inner wall of groove hole 101 may be a corrugated surface. The antioxidation layer 1 may be a film layer having an antioxidant component. The first coating layer 2 and the second coating layer 4 may be scratch-resistant layer films or antistatic layer films coated on the lower surface and the upper surface of the base material layer 3.

The applicant states that the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present invention are within the protection scope and the disclosure scope of the present invention.

Claims

1. A diffusion sheet with a microstructure comprises an anti-oxidation layer (1), a first coating (2), a base material layer (3), a second coating (4) and a microstructure layer (5) which are sequentially connected from bottom to top; the micro-structure layer is characterized in that a prism group is arranged on the micro-structure layer (5), the prism group comprises main prisms (501) and auxiliary prisms (502), the main prisms (501) and the auxiliary prisms (502) are arranged in a staggered mode, the number of the auxiliary prisms (502) between every two adjacent main prisms (501) is four, the height of each main prism (501) is larger than that of each auxiliary prism (502), and the side faces of the adjacent prisms of the main prisms (501) and the adjacent auxiliary prisms (502) are perpendicular to each other; the lower surface of the oxidation resistant layer (1) is provided with a scattering structure, and the scattering structure is at least two groove holes (101) which are uniformly distributed.

2. The diffuser sheet having a microstructure according to claim 1, wherein the groove hole surface of the groove hole (101) is a circular arc surface.

3. A diffuser with microstructures according to claim 1, wherein the groove holes (101) are rectangular.

4. A microstructured diffuser according to claim 3, characterized in that the inner walls of the groove holes (101) can be corrugated.

5. The diffuser sheet having microstructures of claim 1, wherein the anti-oxidation layer (1), the first coating layer (2), the substrate layer (3), the second coating layer (4) and the microstructure layer (5) are connected by a glue layer.

6. The diffuser having microstructures of claim 1, wherein the bottom surfaces of the primary prisms (501) and the secondary prisms (502) are square.

7. The diffuser having microstructures of claim 5, wherein the sides of the primary prisms (501) and the secondary prisms (502) are regular triangles.