CN210376746U

CN210376746U - Light guide plate

Info

Publication number: CN210376746U
Application number: CN201921114024.4U
Authority: CN
Inventors: 万卫华
Original assignee: Zhongshan Shunfu Plastic Co Ltd
Current assignee: Zhongshan Shunfu Plastic Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-21
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a light guide plate, including the light guide plate body, the light guide plate body is including the base plate, be provided with income plain noodles, play plain noodles, reflection of light face on the base plate, the income plain noodles is provided with the V type groove that the multiunit set up side by side in succession, reflection of light face upper berth is equipped with a plurality of leaded light sites, the leaded light site is the rectangle and arranges side by side, and adjacent two rows the leaded light site sets up alternately each other, the leaded light site comprises leaded light bump and leaded light bulge loop, the leaded light bulge loop encloses and establishes leaded light bump outside edge, be provided with the leaded light strip of the mutual parallel arrangement of multiunit on the play plain noodles, the leaded light strip with the income plain noodles sets up perpendicularly, the leaded light strip sets up to the circular arc type structure. The utility model has the advantages of can improve reflectivity and optical efficiency, its mainly used leaded light.

Description

Light guide plate

Technical Field

The utility model relates to a light guide plate technical field, specific light guide plate that says so.

Background

In order to achieve higher optical brightness and optical uniformity in various backlight modules, the reflectivity and optical performance of the light guide plate need to be improved.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a can improve light guide plate of reflectivity and optical efficiency.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a light guide plate comprises a light guide plate body, wherein the light guide plate body comprises a substrate, the substrate is provided with a light incoming surface, a light outgoing surface and a light reflecting surface, the light incoming surface is arranged at one side edge of the substrate, the light incoming surface is provided with a plurality of groups of V-shaped grooves which are continuously arranged side by side, the lengths of two groups of inclined surfaces of the V-shaped grooves are the same, the lower end surface of the substrate is provided with the light reflecting surface, the light reflecting surface is opposite to the light outgoing surface and is perpendicular to the light incoming surface, a plurality of light guide dots are laid on the light reflecting surface, the light guide dots are arranged side by side in a rectangular manner, two adjacent rows of the light guide dots are arranged in a staggered manner, the light guide dots are composed of light guide convex rings and light guide convex rings, the light guide convex rings are arranged at the edge of the, the light guide strip is of an arc structure, and two groups of limiting parts are symmetrically arranged on two sides of the substrate, which are adjacent to the light incident surface.

And the light guide dots are gradually increased in distribution density in the direction away from the light incident surface.

The light guide convex point is composed of a spherical bottom surface with the radius of R1, the center of the spherical surface is arranged on the light reflecting surface, the light guide convex ring is composed of a spherical side surface with the radius of R2, and the center of the spherical surface with the radius of R2 is arranged at the center of the radius of the center of the spherical surface with the radius of R1.

The value of R1 is 0.65 times that of R2.

The light guide strip is composed of a cylindrical side face with the radius of R3, and the center line of the cylindrical side face is arranged on the middle plane between the light reflecting face and the light emitting face.

The distance between two adjacent groups of light guide strips is set to be 0.5-0.7 mm.

The length of the substrate is set to be 60-80mm, and the width of the substrate is set to be 40-60 mm.

The utility model has the advantages that: the light guide device is characterized in that a plurality of light guide dots are paved on the reflecting surface of the device, each light guide dot is composed of a light guide convex point and a light guide convex ring, and the reflectivity and the optical efficiency of the light guide plate body can be improved through the light guide convex points and the light guide convex rings.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic diagram of the structure of the light-emitting surface of the present invention;

fig. 3 is a schematic view of the structure of the reflective surface of the present invention.

In the figure: 1 base plate, 2V type grooves, 3 leaded light site, 4 leaded light bumps, 5 leaded light bulge loops, 6 leaded light strips, 7 locating parts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a light guide plate comprises a light guide plate body, the light guide plate body comprises a substrate 1, the substrate 1 is provided with a light incident surface, a light emergent surface, and a light reflecting surface, the light incident surface is disposed on one side edge of the substrate 1, the light incident surface is provided with a plurality of groups of V-shaped grooves 2 arranged side by side in series, the lengths of two groups of inclined surfaces of the V-shaped grooves 2 are the same, the lower end surface of the substrate 1 is provided with the light reflecting surface, the light reflecting surface is arranged opposite to the light emergent surface and is perpendicular to the light incident surface, a plurality of light guide dots 3 are laid on the light reflecting surface, the light guide dots 3 are arranged in a rectangular side by side manner, the light guide dots 3 of two adjacent rows are arranged in a staggered manner, the light guide dots 3 are composed of light guide convex rings 4 and light guide, the light guide strip 6 is of an arc structure, and two groups of limiting parts 7 are symmetrically arranged on two sides of the substrate 1 adjacent to the light incident surface.

And the distribution density of the light guide dots 3 is gradually increased in the direction far away from the light incident surface.

The light guide convex point 4 is composed of a spherical bottom surface with the radius of R1, the center of the spherical surface is arranged on the light reflecting surface, the light guide convex ring 5 is composed of a spherical side surface with the radius of R2, and the center of the spherical surface with the radius of R2 is arranged at the position of the middle point of the radius of the spherical surface with the radius of R1.

The value of R1 was 0.65 times that of R2.

The light guide strip 6 is formed by a cylindrical side face with the radius of R3, and the center line of the cylindrical side face is arranged on the middle plane between the light reflecting face and the light emitting face.

The distance between two adjacent groups of light guide strips 6 is set to be 0.5-0.7 mm.

The length of the substrate 1 is set to be 60-80mm, and the width of the substrate 1 is set to be 40-60 mm.

The utility model discloses a theory of operation is: when the light guide strip is used, light enters the substrate 1 from the light incident surface, is scattered through the light guide dots 3 on the light reflecting surface, is emitted into the light guide strip 6 from the light emitting surface, and finally is emitted out through the light guide strip 6.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a light guide plate, includes the light guide plate body, its characterized in that: the light guide plate body comprises a substrate (1), wherein the substrate (1) is provided with a light incident surface, a light emergent surface and a light reflecting surface, the light incident surface is arranged at one side edge of the substrate (1), the light incident surface is provided with a plurality of groups of V-shaped grooves (2) which are continuously arranged side by side, the lengths of two groups of inclined surfaces of the V-shaped grooves (2) are the same, the lower end surface of the substrate (1) is arranged as the light reflecting surface, the light reflecting surface and the light emergent surface are oppositely arranged and are vertically arranged with the light incident surface, the light reflecting surface is paved with a plurality of light guide dots (3), the light guide dots (3) are arranged side by side in a rectangular manner, two adjacent rows of the light guide dots (3) are mutually staggered, the light guide dots (3) are composed of light guide convex points (4) and light guide convex rings (5), and the, be provided with the leaded light strip (6) of the mutual parallel arrangement of multiunit on the play plain noodles, leaded light strip (6) with go into the plain noodles and set up perpendicularly, leaded light strip (6) set up to circular arc type structure, it is adjacent to go into the plain noodles base plate (1) both sides are the symmetry and are provided with two sets of locating parts (7).

2. A light guide plate according to claim 1, wherein: and the light guide dots (3) are gradually increased in distribution density in the direction away from the light incident surface.

3. A light guide plate according to claim 1, wherein: the light guide convex points (4) are formed by spherical bottom surfaces with the radius of R1, the centers of the spherical centers are arranged on the light reflecting surfaces, the light guide convex rings (5) are formed by spherical side surfaces with the radius of R2, and the spherical centers with the radius of R2 are arranged at the radial midpoint positions of the spherical centers with the radius of R1.

4. A light guide plate according to claim 3, wherein: the value of R1 is 0.65 times that of R2.

5. A light guide plate according to claim 1, wherein: the light guide strip (6) is composed of a cylinder side face with the radius of R3, and the center line of the cylinder is arranged on the middle plane between the light reflecting face and the light emitting face.

6. A light guide plate according to claim 1, wherein: the distance between two adjacent groups of the light guide strips (6) is set to be 0.5-0.7 mm.

7. A light guide plate according to claim 1, wherein: the length of the substrate (1) is set to be 60-80mm, and the width of the substrate (1) is set to be 40-60 mm.