Backlight module

Abstract

The invention relates to a backlight module which comprises a light guide plate, a reflecting sheet, at least one first linear light source and a backing plate, wherein the light guide plate is provided with at least one first light incident surface, a light emergence surface and a bottom surface opposite to the light emergence surface, and the first light incident surface is connected with the light emergence surface and the bottom surface; the reflecting sheet is arranged on the bottom surface of the light guide plate; the first linear light source is configured near the first light incident surface and suitable for emitting lights towards the first light incident surface, and the first linear light source is provided with a first incline; and the backing plate is provided with at least one first bending part and a bearing bottom used for bearing the reflecting sheet and the light guide plate, the first bending part is configured on the bearing bottom and the first bending part and the bearing bottom form a first accommodating space used for accommodating the first linear light source, the first bending part is provided with a second incline mutually matched with the first incline of the first linear light source, and the first bending part limits the movement of the first linear light source on the first axial direction. The first linear light source can be positioned in the first accommodating space.

Description

technical field [0001] The invention relates to a backlight module, in particular to a backlight module applied to a liquid crystal display device. Background technique [0002] Backlight modules are widely used in liquid crystal display devices, computer keyboards, mobile phone buttons, electronic advertising billboards and other devices that require light sources to provide planar light sources required by such devices. In particular, the market demand for liquid crystal display devices has increased significantly this year. In order to meet the functional and appearance requirements of liquid crystal display devices, the designs of backlight modules used in liquid crystal display devices are also increasingly diversified. [0003] figure 1 It is a partial cross-sectional schematic diagram of a traditional edge-lit backlight module. figure 2 It is a schematic top view of a traditional edge-lit backlight module. Please refer to figure 1 and figure 2 The backlight mod...

AI Technical Summary

Problems solved by technology

[0004] The backlight module M1 has the following difficulties: the positioning of the light guide plate 4 and the linear light source 2 is difficult and the utilization rate of the light emitted by the linear light source 2 is low

If double-sided tape is used for fixing, it has the following disadvantages: first, it has no reworkability; second, the selected glue must meet the requirements of the environment, and the higher the quality of the glue, the more it can meet the environmental standards, and its price is relatively high; third, time-consuming

Images