Backlight module of display device

Abstract

A backlight module for a display device, including: a back panel (2), a reflection shade (5) provided on the back panel (2), a backlight light source (6) provided on the reflection shade (5), a reflection plate (7) provided on the back panel (2), a light guide plate (8) provided on the reflection plate (7), and a glue frame (9) connected to the back panel (2) and the light guide plate (8) respectively. The light rays emitted by the backlight light source (6) are reflected into the light guide plate (8) through the reflection shade (5). The reflection shade (5) includes a reflection part (52), an abutting part (54) connected to the reflection part (52), and a connection part (56) connected to the abutting part (54). The abutting part (54) abuts onto the back panel (2). The backlight light source (6) is installed on the connection part (56). The connection part (56) is provided on the back panel (2). The backlight module for a display device replaces the manual adhesion of a reflection surface with the provision of a reflection shade (5), which avoids the problem of manual adhesive yield, ensures the integrity of the light ray reflection of the backlight light source (6), and further ensures the light out-coupling efficiency of the light guide plate (8) while improving the heat conduction effect of the backlight light source (6).

Description

technical field [0001] The invention relates to a backlight module of a display device, in particular to a backlight module of a display device capable of ensuring the integrity of reflected light and improving the heat conduction effect of a backlight light source. Background technique [0002] LED backlight modules are mainly divided into two types according to the position of the light source: direct type and edge type. In the direct type backlight, the light source is located directly below the LCD panel and illuminates directly. Due to the large number of available lamp tubes, it is easy to obtain high brightness. However, due to the high cost, it is generally used for brightness requirements. In the taller TV module; while the light source of the edge type backlight is located on the side of the light guide plate (Light guide plate), through the light guide plate, the light of the measuring light source is introduced into the interior, and after the total reflection of...

AI Technical Summary

Problems solved by technology

[0003] The reflective surface of the existing edge-type backlight is a plane mirror, which is directly installed on the plastic frame or the back plate. The process generally adopts the method of manual attachment, and the artificial attachment has the problem of attachment yield, which affects the reflection of LED light. Reduce light extraction efficiency

[0004] In addition, the heat dissipation of the backlight module is also a problem that needs to be continuously improved.

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