Title:
BACKLIGHT MODULE, DISPLAY MODULE AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/184100
Kind Code:
A1
Abstract:
A backlight module, comprising: a back plate (11); a plastic frame (12) arranged on one side of the back plate (11) and connected to the back plate (11); a light source assembly (13) located inside of the plastic frame (12); and a reflective sheet (14), a light guide plate (15) and an optical film group (16), which are located inside of the plastic frame (12) and are stacked in sequence, wherein the light source assembly (13) comprises a circuit board (131) and a light source (132) arranged on a first side surface of the circuit board (131), and the light source (132) is located at a first side edge of the light guide plate (15); the light guide plate (15) comprises a first surface facing the reflective sheet (14) and a second surface facing away from the reflective sheet (14); a first annular step (121) and a second annular step (122) are provided on the end face of the plastic frame (12) that faces the back plate (11); the portion of the reflective sheet (14) that is close to the circumferential edge thereof is bonded to the first annular step (121) by means of a first double-sided adhesive tape (21), and the reflective sheet (14) is also bonded to the portion of the first surface of the light guide plate (15) that is close to the other side edges except for the first side edge by means of the first double-sided adhesive tape (21); and the portion of the second surface of the light guide plate (15) that is close to the circumferential edge thereof is arranged facing the second annular step (122), and the portion of the second surface of the light guide plate that is close to the first side edge is fixed to the second annular step (122).
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Inventors:
MA YONG (CN)
XU HAIFENG (CN)
SHI XIAOCHUN (CN)
ZHANG JINFENG (CN)
LIU TAO (CN)
XU HAIFENG (CN)
SHI XIAOCHUN (CN)
ZHANG JINFENG (CN)
LIU TAO (CN)
Application Number:
PCT/CN2022/083455
Publication Date:
October 05, 2023
Filing Date:
March 28, 2022
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO LTD (CN)
HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO LTD (CN)
International Classes:
G02F1/13357
Foreign References:
| CN105044983A | 2015-11-11 | |||
| CN107102478A | 2017-08-29 | |||
| CN106154615A | 2016-11-23 | |||
| CN204423815U | 2015-06-24 | |||
| CN102606943A | 2012-07-25 | |||
| KR20030054879A | 2003-07-02 |
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
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