CN210572848U

CN210572848U - Square LED lamp light guide plate

Info

Publication number: CN210572848U
Application number: CN201921113052.4U
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: 2020-05-19
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a square LED lamp light guide plate, including the light guide plate body, the light guide plate body is including going into worn-out fur, light scattering layer, membrane of adding lustre to, base plate bottom surface is provided with into the worn-out fur under, it is provided with the multiunit mounting groove to go into worn-out fur lower extreme surface, it is provided with the mutual parallel arrangement's of multiunit protruding ribbing to go into worn-out fur up end, it is provided with the light scattering layer to go into worn-out fur up end, light scattering layer upper end is provided with the membrane of adding lustre to, light scattering layer up end with base plate goes into plain noodles fixed connection, it is equipped with the reflective membrane to. The utility model has the advantages of simple structure, reasonable in design, light jet out evenly, luminance is high, its mainly used leaded light.

Description

Square LED lamp light guide plate

Technical Field

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

Background

The light guide plate is made of optical acrylic/PC board, and then high-tech material with high reflectivity and no light absorption is used to print light guide points on the bottom surface of the optical acrylic board by using UV screen printing technology. The optical-grade acrylic sheet is used for absorbing the light emitted from the lamp to stay on the surface of the optical-grade acrylic sheet, when the light irradiates each light guide point, the reflected light can be diffused towards each angle, and then the reflected light is damaged and is emitted from the front surface of the light guide plate. The light guide plate can uniformly emit light through various light guide points with different densities and sizes. The reflecting sheet is used for reflecting the light with the bottom surface exposed back to the light guide plate so as to improve the use efficiency of the light. However, the existing light guide plate has uneven light emission, so that light spots appear to influence use.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a simple structure, reasonable in design, light jet out evenly, the square LED lamp light guide plate that luminance is high.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a square LED lamp light guide plate comprises a light guide plate body, wherein the light guide plate body comprises a light incoming plate, a light scattering layer, a brightness enhancement film and a substrate, the substrate is of a regular prism table structure, the lower bottom surface of the substrate is set as a light incoming surface, the light incoming surface of the substrate is set as a frosted surface, the upper bottom surface of the substrate is set as a light outgoing surface, a fluorescent powder layer is coated on the light outgoing surface of the substrate, a reflective film is coated on the peripheral side surface of the substrate, the lower bottom surface of the substrate is provided with the light incoming plate, the lower end surface of the light incoming plate is provided with a plurality of groups of mounting grooves, the mounting grooves are uniformly distributed and are arranged in a staggered manner, two adjacent rows of the mounting grooves are arranged in a mutually staggered manner, the upper end surface of the light incoming plate is provided with a plurality of, the light incident plate, the light diffusion layer and the peripheral side surfaces of the brightness enhancement film are also coated with a reflective film.

The included angle formed between the side face of the substrate and the light incident face of the substrate is within the range of 60-80 degrees.

The terminal surface is provided with the LED lamp plate under going into the light board, fixedly connected with multiunit LED lamp pearl on the LED lamp plate, LED lamp pearl with the mounting groove sets up relatively and the gomphosis is connected in the mounting groove.

The light diffusion layer has scattering particles for Rayleigh scattering, and the size of the scattering particles is below 700 nm.

The scattering particles are organic scattering particles or inorganic SiO₂Particles.

The utility model has the advantages that: light jets into through the mounting groove of going into worn-out fur bottom, then the rethread convex edge strip with the diffusion layer with light dispersion, evenly jets out by the base plate play plain noodles after the membrane that adds lustre to at last adds lustre to again, can recycle the light reflection meeting of directive edge through the reflective membrane that is provided with, its simple structure, reasonable in design, light jet out evenly, luminance height.

Drawings

Fig. 1 is a schematic view of the cross-sectional structure of the present invention.

In the figure: 1 light incident plate, 2 light scattering layer, 3 bright enhancement film, 4 base plates, 5 fluorescent powder layer, 6 mounting grooves and 7 convex edge strips.

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, a square LED light guide plate comprises a light guide plate body, the light guide plate body comprises a light incident plate 1, a light diffusion layer 2, a bright enhancement film 3, and a substrate 4, the substrate 4 is a regular prism table structure, the lower bottom surface of the substrate 4 is a light incident surface, the light incident surface of the substrate 4 is a frosted surface, the upper bottom surface of the substrate 4 is a light emitting surface, a fluorescent powder layer 5 is coated on the light emitting surface of the substrate 4, a reflective film is coated on the peripheral side surface of the substrate 4, the lower bottom surface of the substrate 4 is provided with the light incident plate 1, the lower end surface of the light incident plate 1 is provided with a plurality of sets of mounting grooves 6, the plurality of sets of mounting grooves 6 are uniformly distributed and are arranged in a staggered manner, the upper end surface of the light incident plate 1 is provided with a plurality of sets of parallel ridge strips 7, the upper end surface of, the light incident plate 1, the light diffusion layer 2 and the peripheral side surfaces of the brightness enhancement film 3 are also coated with reflective films.

In the utility model, the included angle formed between the side surface of the substrate 4 and the light incident surface of the substrate 4 is in the range of 60-80 degrees, and the light rays emitted to the edge can be reflected and utilized;

the lower end face of the light inlet plate 1 is provided with an LED lamp plate, a plurality of groups of LED lamp beads are fixedly connected to the LED lamp plate, and the LED lamp beads are arranged opposite to the mounting groove 6 and are connected in the mounting groove 6 in an embedded mode;

the light scattering layer 2 is provided with scattering particles for Rayleigh scattering, and the size of the scattering particles is below 700nm, so that the Rayleigh scattering effect of light can be realized, and the uniformity of light emission is ensured;

the scattering particles are organic scattering particles or inorganic SiO₂Particles, which can effectively realize Rayleigh scattering effect.

The utility model discloses a theory of operation is: during the use, light penetrates through the mounting groove 6 of income worn-out fur 1 bottom, then the rethread rib 7 with the diffusion layer 2 with light dispersion, evenly jets out by the play plain noodles of base plate 4 again after 3 glossings of membrane that adds lustre to at last, can reuse the light reflection meeting of directive edge through the reflective membrane that is provided with.

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 square LED lamp light guide plate, includes the light guide plate body, its characterized in that: the light guide plate body comprises a light entering plate (1), a light scattering layer (2), a bright enhancement film (3) and a substrate (4), the substrate (4) is of a regular prism platform structure, the lower bottom surface of the substrate (4) is set as a light entering surface, the light entering surface of the substrate (4) is set as a frosted surface, the upper bottom surface of the substrate (4) is set as a light exiting surface, a fluorescent powder layer (5) is coated on the light exiting surface of the substrate (4), a reflective film is coated on the peripheral side surface of the substrate (4), the lower bottom surface of the substrate (4) is provided with the light entering plate (1), the lower end surface of the light entering plate (1) is provided with a plurality of groups of mounting grooves (6), the plurality of groups of mounting grooves (6) are uniformly distributed and two adjacent rows of the mounting grooves (6) are arranged in a staggered mode, the upper end surface of the light entering plate (1) is provided with, the light-emitting device is characterized in that a light-adding film (3) is arranged at the upper end of the light-dispersing layer (2), the upper end face of the light-adding film (3) is fixedly connected with the light-entering surface of the substrate (4), and the peripheral side surfaces of the light-entering plate (1), the light-dispersing layer (2) and the light-adding film (3) are coated with a reflective film.

2. The light guide plate for the square LED lamp as claimed in claim 1, wherein: an included angle formed between the side face of the substrate (4) and the light incident face of the substrate (4) is within the range of 60-80 degrees.

3. The light guide plate for the square LED lamp as claimed in claim 1, wherein: the LED lamp plate is arranged on the lower end face of the light inlet plate (1), a plurality of groups of LED lamp beads are fixedly connected to the LED lamp plate, and the LED lamp beads are arranged opposite to the mounting grooves (6) and are connected in the mounting grooves (6) in an embedded mode.

4. The light guide plate for the square LED lamp as claimed in claim 1, wherein: the light diffusion layer (2) has scattering particles for Rayleigh scattering, and the size of the scattering particles is below 700 nm.

5. The square LED lamp light guide plate according to claim 4, wherein: the scattering particles are organic scattering particles or inorganic SiO₂Particles.