CN219370034U - Low-density light diffusion plate - Google Patents

Abstract

The utility model relates to the technical field of diffusion plates, in particular to a low-density light diffusion plate; including microstructural layer, light PS layer and diffuser plate particle layer, be provided with first bubble layer between microstructural layer and the light PS layer, be provided with the second bubble layer between diffuser plate particle layer and the light PS layer, first bubble layer and second bubble layer are the carbon dioxide bubble layer, owing to be provided with first bubble layer between light PS layer and the microstructural layer, be provided with the second bubble layer between light PS layer and the diffuser plate particle layer, first bubble layer and second bubble layer are the carbon dioxide bubble layer, the optical diffuser plate that adopts above-mentioned structure to make can alleviate overall quality, and steam generator is simple in structure, simple to operate, excellent in use effect.

Description

Low-density light diffusion plate

Technical Field

The utility model relates to the technical field of diffusion plates, in particular to a low-density light diffusion plate.

Background

The light diffusion plate is also called a light homogenizing plate, has the characteristics of high light diffusivity, high light transmittance, capability of well shielding a light source and the like, and is an important part in the field of LED illumination and panel display.

Traditional diffusion plates mainly achieve the effect of homogenizing light by diffusing particles or surface microstructures, but tend to be heavy, increase manufacturing cost and limit use scenes.

Disclosure of Invention

The utility model aims to provide a low-density light diffusion plate, which solves the problems that the diffusion plate mainly achieves the effect of uniform light through diffusion particles or surface microstructures in the prior art, but the weight is often large, the manufacturing cost is increased, and the use scene is limited.

In order to achieve the above object, the present utility model provides a low-density light diffusion plate, which includes a microstructure layer, a light PS layer, and a diffusion plate particle layer, wherein the microstructure layer is located on an upper surface of the light PS layer, the diffusion plate particle layer is located at a bottom of the light PS layer, a first bubble layer is disposed between the microstructure layer and the light PS layer, a second bubble layer is disposed between the diffusion plate particle layer and the light PS layer, the first bubble layer and the second bubble layer are both carbon dioxide bubble layers, the microstructure layer includes a substrate, a convex mirror unit, and a diffusion plate layer, the first bubble layer is disposed between the bottom of the substrate and the light PS layer, the convex mirror unit is disposed on an upper surface of the substrate, and the diffusion plate layer is disposed on an upper surface of the convex mirror unit.

The light PS layer is formed by mixing polystyrene, talcum powder and diffusion particle master batch through an extruder in an extrusion mode, the diffusion particle layer is formed by mixing diffusion particle master batch and polystyrene and adding rutile titanium white through an extruder in an extrusion mode, and the first bubble layer and the second bubble layer are formed into carbon dioxide bubble layers by adopting a carbon dioxide solution technology.

The convex lens unit comprises a plurality of rows of convex lens groups, and a plurality of rows of convex lens groups are uniformly arranged on the upper surface of the substrate.

Each row of convex lens group consists of a plurality of evenly distributed light-transmitting convex lenses, and the volume of the light-transmitting convex lenses gradually increases from the light inlet end to the far light end of the substrate.

The bottom of the diffusion plate particle layer is provided with a protective layer, the protective layer is composed of a plurality of protective parts, and the bottom of the diffusion plate particle layer is concave towards the inside of the diffusion plate particle layer or protrudes towards the outside of the diffusion plate particle layer to form the protective parts.

The cross section of each protection part is arc-shaped, so that the contact area between the diffusion plate particle layer and other optical films is reduced.

The utility model discloses a low-density light diffusion plate, which comprises a microstructure layer, a light PS layer and a diffusion plate particle layer, wherein a first bubble layer is arranged between the microstructure layer and the light PS layer, a second bubble layer is arranged between the diffusion plate particle layer and the light PS layer, both the first bubble layer and the second bubble layer are carbon dioxide bubble layers, and as the first bubble layer is arranged between the light PS layer and the microstructure layer, both the first bubble layer and the second bubble layer are carbon dioxide bubble layers.

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 cross-sectional view of a low-density light diffusion plate according to the present utility model.

Fig. 2 is a schematic structural diagram of an upper surface of a substrate provided by the present utility model.

101-microstructure layer, 102-lightweight PS layer, 103-diffusion plate particle layer, 104-first bubble layer, 105-second bubble layer, 106-substrate, 107-convex lens unit, 108-diffusion plate layer, 109-convex lens group, 110-light-transmitting convex lens, 111-protective layer, 112-protective part.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 and 2, the present utility model provides a low-density light diffusion plate, which includes a microstructure layer 101, a light PS layer 102 and a diffusion particle layer 103, wherein the microstructure layer 101 is located on an upper surface of the light PS layer 102, the diffusion particle layer 103 is located at a bottom of the light PS layer 102, a first bubble layer 104 is disposed between the microstructure layer 101 and the light PS layer 102, a second bubble layer 105 is disposed between the diffusion particle layer 103 and the light PS layer 102, the first bubble layer 104 and the second bubble layer 105 are both carbon dioxide bubble layers, the microstructure layer 101 includes a substrate 106, a convex mirror unit 107 and a diffusion plate layer 108, the first bubble layer 104 is disposed between the bottom of the substrate 106 and the light PS layer 102, the convex mirror unit 107 is disposed on an upper surface of the substrate 106, and the diffusion plate layer 108 is disposed on an upper surface of the convex mirror unit 107.

In this embodiment, since the first bubble layer 104 is disposed between the light PS layer 102 and the microstructure layer 101, the second bubble layer 105 is disposed between the light PS layer 102 and the diffusion plate particle layer 103, and the first bubble layer 104 and the second bubble layer 105 are both carbon dioxide bubble layers, the optical diffusion plate manufactured by adopting the above structure can reduce the overall mass, and has a simple structure, convenient installation and good use effect.

Further, polystyrene, talcum powder and diffusion particle master batch are selected as the light PS layer 102 and mixed and extruded by an extruder, the diffusion particle layer 103 is selected as the diffusion particle master batch and polystyrene and rutile titanium dioxide is added, and extruded by the extruder, and the first bubble layer 104 and the second bubble layer 105 both adopt carbon dioxide solution technology to form a carbon dioxide bubble layer.

In this embodiment, polystyrene, talcum powder and diffusion particle master batch are selected, mixed and extruded by an extruder, so as to obtain the light PS layer 102, the diffusion particle master batch is selected, mixed with polystyrene and rutile titanium dioxide is added, extruded by an extruder, so as to obtain the diffusion plate particle layer 103, and the carbon dioxide solution technology is adopted, so that the first bubble layer 104 and the second bubble layer 105 are formed.

Further, the convex lens unit 107 includes a plurality of rows of convex lens groups 109, a plurality of rows of convex lens groups 109 are uniformly disposed on the upper surface of the substrate 106, each row of convex lens groups 109 is composed of a plurality of uniformly distributed light-transmitting convex lenses 110, and the volume of the light-transmitting convex lenses 110 gradually increases from the light-entering end to the far-reaching end of the substrate 106.

In this embodiment, by disposing a plurality of rows of the convex lens groups 109 on the upper surface of the substrate 106, scattering performance is enhanced, and the volume of the light-transmitting convex lens 110 gradually increases toward the far-reaching end of the substrate 106 along the near-reaching end of the substrate 106, so that the light-transmitting convex lens 110 far away from the light source has stronger scattering capability compared with the light-transmitting convex lens 110 close to the light source, and the light-transmitting convex lens 110 has less scattering at the near-reaching end with stronger light intensity and stronger scattering at the far-reaching end with weaker light intensity, so that brightness of the whole light diffusion plate is uniform.

Further, a protective layer 111 is disposed at the bottom of the diffusion particle layer 103, the protective layer 111 is formed by a plurality of protective portions 112, the bottom of the diffusion particle layer 103 is recessed toward the inside thereof or protrudes toward the outside thereof to form the protective portions 112, and each of the protective portions 112 has an arc-shaped cross-section so as to reduce the contact area between the diffusion particle layer 103 and other optical films.

In the present embodiment, the shielding portion 112 is provided on the bottom of the diffusion plate particle layer 103 so as to be recessed toward the inside or protruded toward the outside, and the shielding portion 112 having an arc-shaped cross-section can reduce the contact area between the diffusion plate particle layer 103 and another optical film, thereby reducing static electricity generated by friction.

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. A low-density light diffusion plate is characterized in that,

including microstructure layer, light PS layer and diffuser plate particle layer, the microstructure layer is located light PS layer's upper surface, diffuser plate particle layer is located light PS layer's bottom, the microstructure layer with be provided with first bubble layer between the light PS layer, diffuser plate particle layer with be provided with the second bubble layer between the light PS layer, first bubble layer with the second bubble layer is carbon dioxide bubble layer, the microstructure layer includes base plate, convex mirror unit and diffusion sheet layer, the base plate the bottom with be provided with between the light PS layer first bubble layer, the upper surface of base plate is provided with the convex mirror unit, the upper surface of convex mirror unit is provided with the diffusion sheet layer.

2. The low-density lightweight diffuser plate according to claim 1, wherein,

the convex lens unit comprises a plurality of rows of convex lens groups, and a plurality of rows of convex lens groups are uniformly arranged on the upper surface of the substrate.

3. The low-density lightweight diffuser plate according to claim 2, wherein,

each row of convex lens group is composed of a plurality of evenly distributed light-transmitting convex lenses, and the volume of the light-transmitting convex lenses gradually increases from the light inlet end to the far-reaching end of the substrate.

4. The low-density lightweight diffuser plate according to claim 1, wherein,

the bottom of the diffusion plate particle layer is provided with a protective layer, the protective layer is composed of a plurality of protective parts, and the bottom of the diffusion plate particle layer is concave towards the inside or convex towards the outside of the diffusion plate particle layer to form the protective parts.

5. The low-density lightweight diffuser plate according to claim 4, wherein,

the cross section of each protection part is arc-shaped, so that the contact area between the diffusion plate particle layer and other optical films is reduced.