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Patent Searching and Data


Title:
BACKLIGHT MODULE AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/184906
Kind Code:
A1
Abstract:
A backlight module and a display device. The backlight module comprises a light source layer (1), a light-guiding layer (2), and a dot-pattern layer (4). The light source layer (1) is provided with a plurality of light-emitting units (11). A plurality of reflective prism units (3) are provided at one side of the light-guiding layer (2) away from the light source layer (1). The plurality of reflective prism units (3) are arranged at positions corresponding one-to-one to positions of the plurality of light-emitting units (11). The reflective prism unit (3) is configured to reflect light rays emitted by the light-emitting unit (11) to the light-guiding layer (2), such that the reflected light rays are totally reflected within the light-guiding layer (2). The dot-pattern layer (4) is provided with an optical structure for extraction of light from the light-guiding layer (2).

Inventors:
MENG XIANDONG (CN)
WANG WEI (CN)
TAN JIFENG (CN)
CHEN XIAOCHUAN (CN)
GAO JIAN (CN)
MENG XIANQIN (CN)
Application Number:
PCT/CN2019/079664
Publication Date:
October 03, 2019
Filing Date:
March 26, 2019
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
International Classes:
G02F1/1335
Foreign References:
CN107505769A2017-12-22
CN108287438A2018-07-17
US6989873B22006-01-24
KR20110097302A2011-08-31
Attorney, Agent or Firm:
DRAGON INTELLECTUAL PROPERTY LAW FIRM (CN)
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