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High-reflectance LED backlight plate

A technology of LED backlight and high reflectivity, applied in the field of electric light source, can solve the problems of low reflectivity, poor astigmatism effect, poor light output efficiency, etc., and achieve the effect of improving light output efficiency and reflectivity

Inactive Publication Date: 2016-06-22
AMICC OPTO ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The light guide plate of the existing LED backlight panel is a flat plate, with low reflectivity and poor light astigmatism effect, and the light enhancement sheet located above the diffusion film is usually a planar structure, and the light extraction efficiency is not good

Method used

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  • High-reflectance LED backlight plate

Examples

Experimental program
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Effect test

Embodiment Construction

[0012] Such as figure 1 A high-reflectivity LED backlight panel as shown includes black and white double-sided adhesive tape 1, upper diamond sheet 2, lower diamond sheet 3, diffusion film 4, light guide plate 7, plastic frame 8 and reflection film 9, a flexible circuit board 5 is provided on the top of the light guide plate 7, and an LED lamp 6 is provided on the flexible circuit board 5. A number of parallel rhombic pillars 11 are respectively distributed on each rhomboid, and the directions of the rhomboid pillars 11 on the two rhomboids differ by 90°. The light guide plate 7 is completely surrounded by a white reflective frame 12 , and the light guide plate 7 is provided with bumps 10 .

[0013] The upper diamond 2, the lower diamond 3 and the diffusion film 4 are combined and directly pasted on the light guide plate 7, and then the black and white double-sided adhesive 1 is covered on the uppermost layer, stuck on the plastic frame 8, and pressed tightly. The black and ...

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PUM

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Abstract

The invention relates to a high-reflectance LED backlight plate. The high-reflectance LED backlight plate comprises black and white double-faced adhesive tape, an upper rhombus piece, a lower rhombus piece, a diffusion film, a light guide plate, an adhesive frame and a reflection film which are arranged sequentially from top to bottom in an overlapped mode, wherein a flexible circuit board is arranged at the top of the light guide plate and provided with LED lights, and the periphery of the light guide plate is completely surrounded by a white reflection framework. The reflectance of the LED backlight plate is high.

Description

technical field [0001] The invention relates to a high-reflectivity LED backlight panel, which belongs to the field of electric light sources. Background technique [0002] The light guide plate of the existing LED backlight panel is a flat plate, which has low reflectivity and poor astigmatism effect, and the light enhancement sheet located above the diffusion film is usually a planar structure, and the light extraction efficiency is not good. Contents of the invention [0003] The object of the present invention is to overcome the defects in the prior art and provide an LED backlight panel with high reflectivity. [0004] The technical solution adopted by the present invention to solve the technical problem is: a high-reflectivity LED backlight panel, including black and white double-sided adhesive tape, upper diamond sheet, lower diamond sheet, diffusion film, light guide plate, A plastic frame and a reflective film, the top of the light guide plate is provided with a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S2/00F21V7/05F21V8/00F21Y101/02
Inventor 盛梅赵伟宇
Owner AMICC OPTO ELECTRONICS TECH
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