CN215067403U

CN215067403U - Glass light guide plate with high light transmission performance

Info

Publication number: CN215067403U
Application number: CN202121603416.4U
Authority: CN
Inventors: 陶朝新
Original assignee: Shenzhen Chaoxian Technology Co ltd
Current assignee: Shenzhen Chaoxian Technology Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-12-07
Anticipated expiration: 2031-07-12

Abstract

The utility model provides a glass light guide plate of high light transmission performance. Glass light guide plate of high light transmission performance includes: a light guide plate, a protective layer and a diffusion layer; the diffusion layer is used for reducing the mirror reflection of the light guide plate, effectively enabling light rays to be reflected in a non-directional mode and improving the anti-dazzle effect, and comprises a light incoming surface and an upper glass plate, and the top of the upper glass plate is fixedly connected with the bottom of the light incoming surface. The utility model provides a glass light guide plate of high light transmission performance is through setting up the diffusion barrier, top through at the flange sets up a plurality of recess, make the surface of going into the plain noodles become unsmooth, thereby reduce its specular reflection, the refracting index has not only been increased in the combination of bump and recess, and make the light reflection non-directional effectively, promote anti-dazzle light effect, through setting up first protection film and second protection film, can prevent effectively that aqueous vapor from contacting leaded light site, can show the infringement that reduces the aqueous vapor and cause the leaded light site, thereby effectively ensure the performance of leaded light site.

Description

Glass light guide plate with high light transmission performance

Technical Field

The utility model relates to a glass light guide plate technical field especially relates to a glass light guide plate of high light transmissivity ability.

Background

The light guide plate is a device which utilizes optical-grade transparent materials to guide light out, change the propagation direction and distance of the light and change a point light source into a linear light source or a surface light source, the light guide plate is usually made of polymer plastics such as PMMA, PC, PS and the like and is commonly used in televisions, displays, mobile phones, flat panels and advertising lamp boxes, white light emitted by LEDs is guided in from the end face of a transparent plate and is diffused to the whole panel face by utilizing the transparent materials, and the light emitted from the end face is deflected by 90 degrees and is emitted from the front face by skillfully utilizing the principle that the light is totally reflected on the interface of the transparent plate to play a role of backlight or illumination.

In the prior art, for example, Chinese patent numbers are: 201821718002.4A waterproof glass light guide plate comprises a glass plate, a plurality of light guide dots are arranged on the back of the glass plate, each light guide dot is covered with a first film coating protective layer, and the optical refractive index of the first film coating protective layer is 1. The utility model discloses can effectively ensure the performance of light guide plate, set up the protective layer structure that covers the leaded light site simultaneously, can effectively prevent aqueous vapor contact leaded light site, can show the infringement that reduces the aqueous vapor and cause the leaded light site to effectively ensure the performance of leaded light site, the light guide plate still can keep the colour difference unchangeable after the high humidity test, can effectively ensure the grading performance.

However, the conventional light guide plate material is made of optical acrylic/PC plate material, the product life of the light guide plate depends on the quality of the acrylic/PC plate material, the acrylic plate is prone to yellowing, and the heat conductivity is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a glass light guide plate of high light transmissivity ability.

In order to solve the technical problem, the utility model provides a glass light guide plate of high light transmissivity, include: a light guide plate, a protective layer and a diffusion layer; the diffusion layer is used for reducing the mirror reflection of the light guide plate, effectively enabling the light rays to be reflected in a non-directional mode and improving the anti-dazzle effect, the diffusion layer comprises a light incoming surface and an upper glass plate, the top of the upper glass plate is fixedly connected with the bottom of the light incoming surface, a convex plate is arranged on the top of the light incoming surface, a plurality of grooves are uniformly formed in the top of the convex plate, and a plurality of convex points are uniformly arranged inside the grooves; the light guide plate is used for guiding light out by utilizing an optical-grade transparent material, changing the propagation direction and distance of the light and changing a point light source into a linear light source or a surface light source; the protective layer is used for protecting the light guide plate and preventing moisture from contacting the light guide mesh points.

Preferably, the bottom of the upper glass plate is fixedly connected with the top of the light guide plate, and the protective layer comprises a lower glass plate and a light-emitting surface.

Preferably, the top of the lower glass plate is fixedly connected with the bottom of the light guide plate, and light guide dots are arranged at the bottom of the lower glass plate.

Preferably, the bottom of the light guide mesh point is fixedly connected with a second protective film.

Preferably, a first protection film is fixedly connected to the bottom of the second protection film.

Preferably, the bottom of the first protection film is fixedly connected with the top of the light-emitting surface.

Compared with the prior art, the utility model provides a glass light guide plate of high light transmissivity has following beneficial effect:

(1) through setting up the diffusion layer, set up a plurality of recess through the top at the flange for the surface of going into the plain noodles becomes unevenness, thereby reduces its specular reflection, and the rethread sets up the bump, and the bump can make the junction of two recesses printing opacity more, and the combination setting of a plurality of bump and recess has not only increased the refracting index, and can make light reflection non-directional effectively, promotes anti-dazzle light effect.

(2) Through setting up the protective layer, glass board under the bottom increase of light guide plate goes up glass board and lower glass board and can play the guard action to the light guide plate.

(3) Through setting up first protection film and second protection film, increase second protection film and first protection film in the bottom of leaded light site, first protection film and second protection film play the guard action to the leaded light site, can prevent effectively that aqueous vapor from contacting the leaded light site, can show the infringement that reduces aqueous vapor and lead to the fact the leaded light site to effectively ensure the performance of leaded light site.

Drawings

Fig. 1 is a schematic front sectional view of a glass light guide plate with high light transmittance according to the present invention;

fig. 2 is a partial exploded view of the glass light guide plate with high light transmittance provided by the present invention;

fig. 3 is a front view of a glass light guide plate with high light transmittance;

fig. 4 is an enlarged view of a detail a in fig. 3 of the glass light guide plate with high light transmittance.

Reference numbers in the figures: 1. the light guide plate comprises a light guide plate body, 2, a protective layer, 3, a diffusion layer, 21, a light emitting surface, 22, a first protective film, 23, a second protective film, 24, light guide dots, 25, a lower glass plate, 31, bumps, 32, a convex plate, 33, grooves, 34, a light incident surface, 35 and an upper glass plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

As shown in fig. 1 to 4, the glass light guide plate with high light transmission performance includes: the light guide plate 1, protective layer 2 and diffusion layer 3, the diffusion layer 3 is used for reducing the specular reflection of the light guide plate, and make the light reflection non-directional effectively, promote the anti-dazzle effect, the diffusion layer 3 includes going into plain noodles 34 and last glass board 35, it glues at the top of light guide plate 1 to go up glass board 35, play the guard action to light guide plate 1, the top of going into the plain noodles 34 and the bottom fixed connection of going into the plain noodles of glass board 35, the top of going into the plain noodles 34 is provided with convex plate 32, a plurality of recess 33 have evenly been seted up at the top of convex plate 32, the inside of recess 33 evenly is provided with a plurality of bumps 31, the combination setting of a plurality of bumps 31 and recess 33 has not only increased the refracting index, and can make the light reflection non-directional effectively, promote the anti-dazzle effect; the light guide plate 1 is used for guiding light out by using an optical-grade transparent material, changing the propagation direction and distance of the light and changing a point light source into a linear light source or a surface light source; the protective layer 2 is used for protecting the light guide plate 1 and preventing moisture from contacting with the light guide dots.

Through setting up the diffusion layer 3, increase at the top of light guide plate 1 and add glass plate 35, the top of going up glass plate 35 is into plain noodles 34, the top of going into plain noodles 34 is convex plate 32, top through at convex plate 32 sets up a plurality of recess 33, make the surface of going into the plain noodles become unevenness, thereby reduce its mirror reflection, the rethread sets up bump 31, bump 31 can make the junction of two recess 33 more translucent, a plurality of bump 31 and recess 33's combination sets up and has not only increased the refracting index, and can make the light reflection not directional effectively, promote anti-dazzle effect, light guide plate 1 is used for utilizing the transparent material of optics level to guide out light simultaneously, change the direction of propagation of light, and the distance, become line source or area source to the pointolite.

As shown in fig. 4, the bottom of the upper glass plate 35 is fixedly connected to the top of the light guide plate 1, the protective layer 2 includes the lower glass plate 25 and the light emitting surface 21, and the protective layer 2 mainly protects the light guide dots 24 through the first protective film 22 and the second protective film 23.

As shown in fig. 2 and fig. 3, the top of the lower glass plate 25 is fixedly connected to the bottom of the light guide plate 1, the bottom of the lower glass plate 25 is provided with light guide dots 24, the light guide dots 24 are located between the lower glass plate 25 and the second protective film 23, and the lower glass plate 25 protects the light guide plate 1 at the top.

As shown in fig. 3, the bottom of the light guide dot 24 is fixedly connected with a second protective film 23, and the second protective film 23 protects the light guide plate 1 on the top.

As shown in fig. 3, the first protective film 22 is fixedly connected to the bottom of the second protective film 23, and the first protective film 22 and the second protective film 23 are used in combination to protect the light guide plate 1, so as to effectively prevent moisture from contacting the light guide dots 24, and significantly reduce the damage of moisture to the light guide dots 24.

As shown in fig. 3, the bottom of the first protective film 22 is fixedly connected to the top of the light-emitting surface 21, and the light is reflected through the light-emitting surface 21.

Through setting up protective layer 2, glass board 25 under the bottom increase of light guide plate 1, go up glass board 35 and glass board 25 down and can play the guard action to light guide plate 1, the bottom of glass board 25 is leaded light site 24 under, and increase second protection film 23 and first protection film 22 in the bottom of leaded light site 24, first protection film 22 and second protection film 23 play the guard action to leaded light site 24, can prevent effectively that aqueous vapor from contacting leaded light site 24, can show the infringement that reduces aqueous vapor and cause leaded light site 24, thereby effectively ensure the performance of leaded light site 24.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A glass light guide plate with high light transmission performance is characterized by comprising:

a light guide plate, a protective layer and a diffusion layer;

the diffusion layer is used for reducing the mirror reflection of the light guide plate, effectively enabling the light rays to be reflected in a non-directional mode and improving the anti-dazzle effect, the diffusion layer comprises a light incoming surface and an upper glass plate, the top of the upper glass plate is fixedly connected with the bottom of the light incoming surface, a convex plate is arranged on the top of the light incoming surface, a plurality of grooves are uniformly formed in the top of the convex plate, and a plurality of convex points are uniformly arranged inside the grooves;

the light guide plate is used for guiding light out by utilizing an optical-grade transparent material, changing the propagation direction and distance of the light and changing a point light source into a linear light source or a surface light source;

the protective layer is used for protecting the light guide plate and preventing moisture from contacting the light guide mesh points.

2. The high light transmission glass light guide plate as claimed in claim 1, wherein the bottom of the upper glass plate is fixedly connected to the top of the light guide plate, and the protective layer comprises a lower glass plate and a light emitting surface.

3. The glass light guide plate with high light transmission performance as claimed in claim 2, wherein the top of the lower glass plate is fixedly connected with the bottom of the light guide plate, and the bottom of the lower glass plate is provided with light guide dots.

4. The glass light guide plate with high light transmission performance as claimed in claim 3, wherein a second protective film is fixedly connected to the bottom of the light guide mesh points.

5. The glass light guide plate with high light transmittance according to claim 4, wherein a first protective film is fixedly attached to a bottom of the second protective film.

6. The glass light guide plate with high light transmittance as claimed in claim 5, wherein the bottom of the first protective film is fixedly connected to the top of the light emitting surface.