阅读说明：本技术 一种多功能复合板 (Multifunctional composite board ) 是由 庄兴潮 于 2019-01-17 设计创作，主要内容包括：一种多功能复合板,包括入光层、中间层与出光层,所述的出光层由量子点浓缩液和UV胶水组成,所述的量子点浓缩液与UV胶水的重量组成比例为1:10000。本发明的光扩散包括入光层、导光层、扩散层和出光层,入光层增强产品抗黄变能力,提高光通过的均匀性；导光层能够提高产品硬挺性和韧性；扩散层进一步提高光的均匀性；出光层能够提高产品的亮度；本发明还提供一种出光层的制作方法,在中间层表面形成一层薄薄的高透明膜层,提高产品亮度,方法简单,提高产品使用寿命。(The multifunctional composite board comprises a light incident layer, an intermediate layer and a light emergent layer, wherein the light emergent layer is composed of quantum dot concentrated solution and UV glue, and the weight ratio of the quantum dot concentrated solution to the UV glue is 1: 10000. The light diffusion layer comprises a light incident layer, a light guide layer, a diffusion layer and a light emitting layer, wherein the light incident layer enhances the yellowing resistance of the product and improves the uniformity of light passing; the light guide layer can improve the stiffness and toughness of the product; the diffusion layer further improves the uniformity of light; the light emitting layer can improve the brightness of the product; the invention also provides a manufacturing method of the light emitting layer, a thin high transparent film layer is formed on the surface of the middle layer, the brightness of the product is improved, the method is simple, and the service life of the product is prolonged.)

1. A multifunctional composite board comprises a light incident layer (1), an intermediate layer and a light emergent layer (4), and is characterized in that: the light emitting layer is composed of quantum dot concentrated solution and UV glue, and the weight ratio of the quantum dot concentrated solution to the UV glue is 1: 10000.

2. The multifunctional composite board according to claim 1, wherein: the middle layer comprises a light guide layer (2) arranged on the side surface of the light entering layer (1) and a diffusion layer (3) arranged between the light guide layer (2) and the light emitting layer (4).

3. The multifunctional composite board according to claim 1, wherein: the light incident layer (1) is composed of optical grade GPPS, a light diffusion agent, an anti-yellowing agent and an antistatic agent.

4. The multifunctional composite board according to claim 2, wherein: the light guide layer (2) is composed of optical PMMA, light guide particles, a compatilizer and a toughening agent.

5. The multifunctional composite board according to claim 2, wherein: the diffusion layer (3) is composed of optical-grade HIPS and a light diffusion agent.

6. The multifunctional composite board according to claim 3, wherein: the anti-yellowing agent consists of an antioxidant and an ultraviolet absorbent.

7. The multifunctional composite board according to claim 3 or 5, wherein: the light diffusant is a nano-scale organic silicon light diffusant, and the shape of the light diffusant is circular.

8. The multifunctional composite board according to claim 1 or 3, wherein: the other side of the light incident layer (1) opposite to the middle layer is provided with a convex strip, and the cross section of the convex strip is in any one or combination of a V-shaped structure, a worm structure and a prismatic structure.

9. The multifunctional composite board according to claim 1 or 3, wherein: the thickness of the light emitting layer (4) is 8-12 mu m, and the light emitting layer (4) is formed on the surface of the middle layer in a coating or spray printing mode.

10. The multifunctional composite board according to claim 1, wherein: the light emitting layer (4) is formed by the following steps:

Adding the quantum dot concentrated solution into UV glue according to a proportion;

Fully and uniformly stirring the mixed liquid, and vacuumizing and exhausting bubbles while stirring;

After the bubbles of the liquid are discharged, the liquid is uniformly coated or sprayed on the surface of the middle layer, and then is cured by UV light irradiation, and finally the light emitting layer is formed.

Technical Field

The invention relates to the field of composite boards, in particular to a multifunctional composite board.

Background

the light diffusion plate is characterized in that the light diffusion plate is used for generating physical phenomena of refraction, reflection and scattering when light meets two media with different refractive indexes in the traveling path by means of chemical or physical means, the light diffusion plate enables the light to be subjected to refraction, reflection and scattering in different directions, the traveling path of the light is changed, and the effect of optical diffusion is generated by filling and dispersing colors of incident light.

The existing light diffusion plate has poor light transmittance and low light diffusion degree, when the brightness of the light diffusion plate is insufficient, the brightness is improved by increasing the number of bulbs, the cost is high, and the brightness is not uniform.

Disclosure of Invention

The invention provides a multifunctional composite plate, aiming at solving the problems of low and uneven brightness, poor light diffusion effect and the like of the existing light diffusion plate.

The multifunctional composite board comprises a light incident layer, an intermediate layer and a light emergent layer, wherein the light emergent layer is composed of quantum dot concentrated solution and UV glue, and the weight ratio of the quantum dot concentrated solution to the UV glue is 1: 10000.

Preferably, the intermediate layer includes a light guide layer disposed on a side surface of the light entrance layer, and a diffusion layer disposed between the light guide layer and the light exit layer.

Preferably, the light-entering layer consists of optical-grade GPPS, a light diffusion agent, an anti-yellowing agent and an antistatic agent.

Preferably, the light guide layer is composed of optical-grade PMMA, light guide particles, a compatilizer and a toughening agent.

Preferably, the diffusion layer consists of optical grade HIPS and a light diffusion agent.

Preferably, the anti-yellowing agent consists of an antioxidant and an ultraviolet absorber.

Preferably, the light diffusing agent is a nano-scale organic silicon light diffusing agent, and the shape of the light diffusing agent is circular.

Preferably, the other surface of the light incident layer opposite to the intermediate layer is provided with a convex strip, and the cross section of the convex strip is in any one or combination of a V-shaped structure, a worm structure and a prismatic structure.

Preferably, the thickness of the light emergent layer is 8-12 μm, and the light emergent layer is formed on the surface of the intermediate layer in a coating or jet printing mode.

Preferably, the light-emitting layer is formed by the following steps:

Adding the quantum dot concentrated solution into UV glue according to a proportion;

Fully and uniformly stirring the mixed liquid, and vacuumizing and exhausting bubbles while stirring;

After the bubbles of the liquid are discharged, the liquid is uniformly coated or sprayed on the surface of the middle layer, and then is cured by UV light irradiation, and finally the light emitting layer is formed.

The invention provides a multifunctional composite board, which comprises a light incident layer, a light guide layer, a diffusion layer and a light emitting layer, wherein the light incident layer enhances the yellowing resistance of the product and improves the uniformity of light passing; the light guide layer can improve the stiffness and toughness of the product; the diffusion layer further improves the uniformity of light; the light emitting layer can improve the brightness of the product. The invention also provides a manufacturing method of the light emitting layer, a thin high transparent film layer is formed on the surface of the middle layer, the brightness of the product is improved, the method is simple, the solidified UV glue avoids quantum dots from contacting air or moisture, and the service life of the product is prolonged.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Detailed Description

The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.

A multifunctional composite board comprises a light inlet layer 1, an intermediate layer and a light outlet layer 4, wherein the light outlet layer 4 is composed of quantum dot concentrated solution and UV glue, the weight ratio of the quantum dot concentrated solution to the UV glue is 1:10000, the appearance of the UV glue after curing plays a role in blocking and protecting quantum dots, when light passes through the light outlet layer to activate the quantum dots inside, the remarkable brightening effect is achieved, the quantum dots are isolated from air and moisture by the cured UV glue, and the service life and the use effect of the composite board are prolonged.

The light incident layer 1 consists of optical GPPS, a light diffusing agent, an anti-yellowing agent and an antistatic agent, wherein the anti-yellowing agent consists of an antioxidant and an ultraviolet absorbent, the anti-yellowing agent enhances the anti-yellowing capability of the product and prolongs the service life of the product, and the antistatic agent is used for eliminating static electricity on the light incident surface of the product and resisting static electricity generated by subsequent friction; the light diffusant is a nano-scale organic silicon light diffusant, the light diffusant is circular, and the circular light diffusant can better convert a linear light source into a surface light source to enable light to uniformly enter the middle layer; the other side of the light incident layer, which is opposite to the middle layer, is provided with convex strips, the cross section of each convex strip is in any one or combination of a V-shaped structure, a worm structure or a prismatic structure, and the arrangement of the convex strips increases the incident area of light, so that the light diffusion effect is better realized.

The middle layer comprises a light guide layer 2 arranged on the side surface of the light inlet layer and a diffusion layer 3 arranged between the light guide layer 2 and the light outlet layer 4; the light guide layer 2 is composed of optical-grade PMMA, light guide particles, a compatilizer and a toughener, the light guide layer can enhance the overall stiffness of a product, so that the production of the ultrathin sheet and the practicability of practical application are realized, the light guide particles can enable light to penetrate through the light guide layer more quickly and better and reduce light attenuation, the compatilizer enables the light incident layer 1, the light guide layer 2 and the diffusion layer 3 to be combined together more closely, and the toughener enables the product to be stiff and have good toughness;

The diffusion layer 3 is composed of optical-grade HIPS and a light diffusion agent, wherein the light diffusion agent is a nano-grade organic silicon light diffusion agent, the shape of the light diffusion agent is circular, the circular light diffusion agent better converts a linear light source into a surface light source to enable light to uniformly enter the light outlet layer, the diffusion layer 3 further refracts and uniformly diffuses the light, and the uniformity of light passing is further improved.

The thickness of the light-emitting layer is 8-12 mu m, so that the brightness of the composite board is improved by more than one time, the light-emitting layer 4 is formed on the surface of the middle layer in a coating or jet printing mode, and the light-emitting layer 4 is formed through the following steps:

Adding the quantum dot concentrated solution into UV glue according to a proportion;

Fully and uniformly stirring the mixed liquid, and vacuumizing and exhausting bubbles while stirring;

After bubbles of the liquid are discharged, the liquid is uniformly coated or sprayed on the surface of the middle layer, and then the UV light is irradiated and cured to form a light emitting layer, the UV glue plays a role in blocking and protecting the quantum dots inside after being cured, and when the light passes through the light emitting layer to activate the quantum dots inside, the remarkable brightening effect is achieved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.