CN219370035U - Anti-interference prism sheet - Google Patents

Abstract

The utility model relates to the technical field of optical devices, in particular to an anti-interference prism sheet, which comprises a prism structure layer, a diffusion particle layer, a resin layer, a PET (polyethylene terephthalate) base layer and an undercoat layer, wherein the PET base layer is connected with the diffusion particle layer through the resin layer, the diffusion particle layer is arranged above the resin layer, the prism structure layer is arranged above the diffusion particle layer, the prism structure layer comprises a plurality of uniformly distributed prisms, each prism is of a four-sided triangle cone structure with a square bottom surface and four triangular sides, the undercoat layer is arranged below the PET base layer, the undercoat layer comprises a plurality of coating particles, one layer of diffusion particles is added on the basis of the conventional prism sheet, interference is reduced, moire fringes are reduced, optical imaging effect and imaging quality are improved, moire interference effect is eliminated, image quality effect of a liquid crystal display screen is improved, uniformity of light brightness is further optimized, and luminance is further improved.

Description

Anti-interference prism sheet

Technical Field

The utility model relates to the technical field of optical devices, in particular to an anti-interference prism sheet.

Background

The lens is an optical film manufactured by manufacturing a prism structure made of acrylic resin on a PET substrate, and the surface of the optical film is a microprism structure with the height of about 20-50 micrometers. According to the geometrical optics principle, light rays emitted from the backlight source are finally converged and emitted in the front view direction through the circulation action of the prism film and the backlight source system, so that the brightness enhancement effect is achieved.

However, when two transmission gratings with similar parameters are superimposed at a small angle, an amplified grating is generated to form moire fringes, which is the interference phenomenon.

Disclosure of Invention

The utility model aims to provide an anti-interference prism sheet, which aims to solve the technical problem that moire fringes are formed by generating amplified gratings when two transmission gratings with similar parameters are overlapped at a small angle in the prior art, namely the interference phenomenon.

In order to achieve the above purpose, the anti-interference prism sheet comprises a prism structure layer, a diffusion particle layer, a resin layer, a PET base layer and an undercoat layer, wherein the PET base layer is connected with the diffusion particle layer through the resin layer, the diffusion particle layer is arranged above the resin layer, the prism structure layer is arranged above the diffusion particle layer, the prism structure layer comprises a plurality of uniformly distributed prisms, the prisms are all of a four-sided triangle cone structure with a square bottom surface and four triangle sides, the undercoat layer is arranged below the PET base layer, and the undercoat layer comprises a plurality of coating particles.

Wherein the coating particles are uniformly distributed round particles or irregular particles.

The anti-interference prism sheet further comprises a protection assembly, wherein the protection assembly comprises two elastic clamping pieces, two rubber frame bodies and four corner sleeves, the four corner sleeves are arranged at four right angles of the PET base layer, and the two rubber frame bodies are arranged on the prism structure layer and the PET base layer respectively through the corresponding elastic clamping pieces.

The elastic clamping piece comprises a support plate and two elastic pieces, one ends of the two elastic pieces are connected with the support plate, and the other ends of the two elastic pieces are respectively contacted with the corresponding rubber frame body.

Wherein, the elastic sheet contacts to the one end of rubber framework sets up to the chamfer, prevents to damage the rubber framework.

According to the anti-interference prism sheet, the diffusion particle layer is arranged, the prism layer formed by prisms with an extrusion structure is adopted, the anti-interference prism sheet is designed, the quality and the anti-interference rate of a film are improved, the reject ratio is reduced, a glue layer with corresponding attached diffusion particles is manufactured, one layer of diffusion particles is added on the basis of the existing prism sheet, interference is reduced, moire fringes are reduced, the optical imaging effect and imaging quality are improved, the moire interference effect is eliminated, the image quality effect of a liquid crystal display screen is improved, the uniformity of light brightness is further optimized after the two-width prism structures are regularly arranged, the brightness is further improved, scattered light is reduced to be concentrated to the front side, the aim of improving the front side brightness is fulfilled, the light which is not utilized outside a visual angle is recycled by utilizing the reflection of the light, the loss of the light is reduced, and the benefits of energy conservation, low carbon and environmental protection are indirectly achieved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a first embodiment of the present utility model.

Fig. 2 is a top view of a first embodiment of the present utility model.

Fig. 3 is a schematic structural view of a second embodiment of the present utility model.

The glass comprises a 101-prism structure layer, a 102-diffusion particle layer, a 103-resin layer, a 104-PET base layer, a 105-base coat layer, 106-prisms, 107-coating particles, a 201-rubber frame body, a 202-corner sleeve, a 203-support plate, a 204-elastic sheet and 205-rounding corners.

Detailed Description

First embodiment:

referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a first embodiment of the present utility model, and fig. 2 is a top view of the first embodiment of the present utility model.

The utility model provides an anti-interference prism sheet, which comprises: the technical problem that moire fringes are formed when two transmission gratings with similar parameters are overlapped at a small angle to generate amplified gratings in the prior art, namely interference phenomenon is solved by the aid of the technical scheme, wherein the prism 106 structure layer 101 comprises a plurality of uniformly distributed prisms 106, the base coat layer 105 comprises a plurality of coating particles 107.

For this embodiment, the PET base layer 104 is connected with the diffusion particle layer 102 through the resin layer 103, the diffusion particle layer 102 is disposed above the resin layer 103, the prism 106 structural layer 101 is disposed above the diffusion particle layer 102, and the prism 106 structural layer 101 includes a plurality of uniformly distributed prisms 106, the prisms 106 are all four-sided triangle cone structures with a square bottom surface and four triangular sides, the bottom coating 105 is disposed below the PET base layer 104, the bottom coating 105 includes a plurality of coating particles 107, and by disposing the diffusion particle layer 102 and adopting the prism 106 layer formed by the prisms 106 with an extrusion structure, the designed anti-interference prism sheet improves the quality and the anti-interference ratio of the film, reduces the reject ratio, and makes the adhesive layer of the corresponding adhesion diffusion particles.

Wherein, the coating particles 107 are uniformly distributed round particles or irregular particles, so that the use effect of the primer layer 105 can be improved.

According to the anti-interference prism sheet, the diffusion particle layer 102 is arranged, the prism 106 layer formed by the prisms 106 with the extrusion structure is adopted, the anti-interference prism sheet is designed, the quality and the anti-interference rate of a film are improved, the reject ratio is reduced, the adhesive layer with corresponding attached diffusion particles is manufactured, one layer of diffusion particles is added on the basis of the existing prism sheet, interference is reduced, moire fringes are reduced, the optical imaging effect and the imaging quality are improved, the moire interference effect is eliminated, the image quality effect of a liquid crystal display screen is improved, the uniformity of light brightness is further optimized after the two-width prisms 106 are regularly arranged, the brightness is further improved, scattered light is reduced to be concentrated to the front, the aim of improving the front brightness is fulfilled, light which is not utilized outside a viewing angle is recycled by utilizing the reflection of the light, the loss of the light is reduced, and the benefits of energy conservation, low carbon and environmental protection are indirectly achieved.

Second embodiment:

referring to fig. 3 on the basis of the first embodiment, fig. 3 is a schematic structural diagram of a second embodiment of the present utility model.

The utility model provides an anti-interference prism sheet which also comprises a protection assembly, wherein the protection assembly comprises two elastic clamping pieces, two rubber frames 201 and four corner sleeves 202, and the elastic clamping pieces comprise a support plate 203 and two elastic pieces 204.

For this embodiment, four angle sleeves 202 are disposed at four right angles of the PET base layer 104, two rubber frame bodies 201 are respectively disposed on the prism 106 structural layer 101 and the PET base layer 104 through corresponding elastic clamping pieces, when the anti-interference prism sheet is taken out, four right angles of the anti-interference prism sheet can be protected through the four angle sleeves 202, two rubber frame bodies 201 can protect upper and lower surfaces of the anti-interference prism sheet, and two rubber frame bodies 201 can be fixed through two elastic clamping pieces to prevent the rubber frame bodies 201 from falling off.

One end of each elastic piece 204 is connected with the corresponding support plate 203, and the other ends of the two elastic pieces 204 are respectively contacted with the corresponding rubber frame 201, and by arranging the two elastic pieces 204 and the support plate 203, the two elastic pieces 204 can be connected by the support plate 203, and the two elastic pieces 204 are used for clamping the two rubber frames 201.

Secondly, the elastic piece 204 contacts to the rubber frame 201 and the end is set to the rounded corner 205, so as to prevent the rubber frame 201 from being damaged, and the elastic piece 204 is prevented from damaging the rubber frame 201 by contacting the elastic piece 204 to the rubber frame 201 and the end is set to the rounded corner 205, so that the protection effect of the anti-interference prism sheet is further improved.

The use of the anti-interference prism sheet of this embodiment can protect four right angles of the anti-interference prism sheet by setting up four angle sleeves 202, two rubber frame 201 can protect the upper and lower two sides of the anti-interference prism sheet, can fix two rubber frame 201 through two elastic clamping pieces, prevent that rubber frame 201 drops, through setting up two elastic pieces 204 and a support plate 203, can link two elastic pieces 204 together through support plate 203, two elastic pieces 204 are used for carrying out the centre gripping to two rubber frame 201, through with elastic pieces 204 contact to one end of rubber frame 201 sets up to chamfer 205, can prevent that elastic pieces 204 from damaging rubber frame 201, further promoted the protection effect to the anti-interference prism sheet.

The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.

Claims (5)

1. An anti-interference prism sheet is characterized in that,

including prism structure layer, diffusion particle layer, resin layer, PET basic unit and undercoat, the PET basic unit passes through the resin layer with diffusion particle layer connects, diffusion particle layer sets up the top on resin layer, prism structure layer sets up the top on diffusion particle layer, just prism structure layer includes a plurality of evenly distributed's prism, the prism is the tetrahedron triangle cone structure that is a square bottom surface and four triangle-shaped sides, the undercoat sets up the below of PET basic unit, the undercoat includes a plurality of coating particles.

2. The interference-resistant prism sheet of claim 1, wherein,

the coating particles are uniformly distributed round particles or irregular particles.

3. The interference-resistant prism sheet according to claim 2,

the anti-interference prism sheet further comprises a protection assembly, the protection assembly comprises two elastic clamping pieces, two rubber frame bodies and four corner sleeves, the four corner sleeves are arranged at four right angles of the PET base layer, and the two rubber frame bodies are arranged on the prism structure layer and the PET base layer respectively through the corresponding elastic clamping pieces.

4. The interference-resistant prism sheet of claim 3,

the elastic clamping piece comprises a support plate and two elastic pieces, one ends of the two elastic pieces are connected with the support plate, and the other ends of the two elastic pieces are respectively contacted with the corresponding rubber frame body.

5. The interference-resistant prism sheet of claim 4, wherein,

the elastic sheet contacts to one end of the rubber frame body and is arranged into a rounding angle, so that the rubber frame body is prevented from being damaged.