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1. (WO2018205364) BACKLIGHT MODULE AND DISPLAY DEVICE

Pub. No.:    WO/2018/205364    International Application No.:    PCT/CN2017/089619
Publication Date: Fri Nov 16 00:59:59 CET 2018 International Filing Date: Fri Jun 23 01:59:59 CEST 2017
IPC: F21K 9/20
G02F 1/1333
F21V 7/00
F21V 5/02
H04M 1/22
F21Y 115/10
Applicants: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD
武汉华星光电技术有限公司
Inventors: XU, Pengbo
徐鹏博
Title: BACKLIGHT MODULE AND DISPLAY DEVICE
Abstract:
A backlight module (100), comprising: a light guide plate (120) which comprises a light incident surface, a light exit surface, and a reflective surface; a reflective plate (110), which is disposed on the reflective surface of the light guide plate (120) and which is used for reflecting a transmitted light in the light guide plate (120) to the light exit surface; a diffusion sheet (130), which is disposed on the light exit surface of the light guide plate (120) and which is used for diffusing a light which is emitted from the light guide plate (120); a prism sheet group (140), which is disposed on a light exit surface of the diffusion sheet (130); a square sealant layer (150), which is disposed around the light exit surface of the light guide plate (120); a light source (170), which is disposed at a light incident surface side of the light guide plate (120); a light shielding layer (160), which is disposed between the diffusion sheet (130) and the square sealant layer (150) and which is disposed at an outer side of the prism sheet group (140), the light shielding layer (160) being disposed in correspondence with a light-incident side of the diffusion sheet (130); the light shielding layer (160) comprises an intermediate section (161) and a lateral section (162) which are separated, the length of the intermediate section (161) being greater than the length of the lateral section (162); two sides of the lateral section (162) are fixedly connected to the diffusion sheet (130) and the square sealant layer (150) respectively, while only one side of the intermediate section (161) is fixedly connected to the square sealant layer (150).