Edge-lighting type backlight module and liquid crystal display comprising same

Abstract

An edge-lighting type backlight module (1) and a liquid crystal display thereof. The edge-lighting type backlight module (1) comprises: a printed circuit board (110) comprising a bearing surface (111); multiple light emitting diodes (130), disposed at the left of the bearing surface (111), each of the light emitting diodes (130) comprising a light emergent surface (131) and light emitted by the light emitting diode (130) being emitted out from the light emergent surface (131); a reflecting plate (150), disposed at the right of the bearing surface (111); a light guide plate (160), disposed above the reflecting plate (150), so that the reflecting plate (150) is located between the light guide plate (160) and the bearing surface (111); a reflecting surface (140), disposed at one side of the light guide plate (160), having a distance from the light emitting diode (130), and the reflecting surface (140) being used for reflecting the light emitted out from the light emergent surface (131); and an absorption surface (120), disposed on the bearing surface (111), located at one side of the light emitting diode (130), and used to absorb the light reflected by the reflecting surface (140). Therefore, light spots generated on the liquid crystal panel are reduced, and the quality of displayed pictures is improved.

Description

technical field [0001] The invention relates to a side-light backlight module and a liquid crystal display using the side-light backlight module, in particular to a side-light backlight module with a dark side and the side-light backlight module using the side-light backlight module. LCD backlight module. Background technique [0002] Since the liquid crystal itself does not emit light, the backlight module can be regarded as a key component of the liquid crystal display (LCD) panel. Its main function is to supply a light source with sufficient brightness and uniform distribution, so that the LCD panel can display normally. image. As LCD panels have been widely used in many electronic products with growth potential, such as monitors, notebook computers, digital cameras, projectors, etc., the demand for backlight modules and related components continues to grow . [0003] Generally speaking, backlight modules can be divided into two types: direct-type and edge-type. In the...

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to overcome the defects existing in the existing side-light backlight module, and provide a side-light backlight module with a new structure. A technical problem to be solved is to make it possible to solve the The light from the corner enters the light guide plate, thus causing the generation of bright spots, which seriously affects the quality of the picture

[0009] Another object of the present invention is to overcome the defects of the existing liquid crystal display and provide a liquid crystal display using a side-light backlight module with a new structure. A technical problem to be solved is to make it possible to solve the problem of not meeting all requirements. The light at the reflection angle enters the light guide plate, resulting in the generation of bright spots, which seriously affects the quality of the picture

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