Title:
BACKLIGHT MODULE, DISPLAY MODULE, TILED DISPLAY SCREEN AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/230809
Kind Code:
A1
Abstract:
Provided in the embodiments of the present disclosure is a backlight module, comprising a back cover, a light source, a middle bezel, a diffuser sheet and an optical film layer, wherein the light source, the middle bezel, the diffuser sheet and the optical film layer are sequentially arranged away from the back cover; a light-emitting face of the light source faces the diffuser sheet; the orthographic projections of the optical film layer, the diffuser sheet and the light source on the back cover overlap; the orthographic projection of the middle bezel on the back cover overlaps with the peripheral edge of the back cover, and is connected to the peripheral edge of the back cover; the orthographic projection of the middle bezel on the back cover does not overlap with the light source; the middle bezel comprises a body structure and a first supporting portion, which are connected into a whole; the body structure is located on the side of the diffuser sheet that is close to the back cover, and supports the peripheral edge of the diffuser sheet; the first supporting portion encloses outer sides of end faces of the edges of the diffuser sheet and the optical film layer, and is used for supporting the peripheral edge of a display panel which is located on the side of the optical film layer that faces away from the back cover; and the first supporting portion is made of a light-transmitting material.
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Inventors:
BU ZHANCHANG (CN)
QU QINGSHAN (CN)
SUN JIXING (CN)
WANG BOCHANG (CN)
SHI HAIJUN (CN)
QU QINGSHAN (CN)
SUN JIXING (CN)
WANG BOCHANG (CN)
SHI HAIJUN (CN)
Application Number:
PCT/CN2022/096129
Publication Date:
December 07, 2023
Filing Date:
May 31, 2022
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
BEIJING BOE DISPLAY TECH CO (CN)
BEIJING BOE DISPLAY TECH CO (CN)
International Classes:
G02F1/13357
Foreign References:
| CN215297867U | 2021-12-24 | |||
| CN114399959A | 2022-04-26 | |||
| CN214795497U | 2021-11-19 | |||
| CN111880336A | 2020-11-03 | |||
| CN209946590U | 2020-01-14 | |||
| CN107357063A | 2017-11-17 | |||
| CN114265225A | 2022-04-01 | |||
| US20170082267A1 | 2017-03-23 |
Attorney, Agent or Firm:
TEE & HOWE INTELLECTUAL PROPERTY ATTORNEYS (CN)
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