Title:
LIGHT GUIDE ASSEMBLY AND PREPARATION METHOD THEREOF, BACKLIGHT MODULE, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/029380
Kind Code:
A1
Abstract:
A light guide assembly and a preparation method thereof, a backlight module, and a display device are provided. The light guide assembly comprises a waveguide layer (100) and a coupling grating structure (200). The coupling grating structure (200) comprises at least two gratings (210, 220). At least one of the at least two gratings (210, 220) is located inside the waveguide layer (100), and orthographic projections of the at least two gratings (210, 220) on the surface of the waveguide layer (100) overlap at least partially. The coupling grating structure (200) is configured to enable incident light to propagate in the waveguide layer (100).
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Inventors:
MENG XIANDONG (CN)
WANG WEI (CN)
TAN JIFENG (CN)
CHEN XIAOCHUAN (CN)
GAO JIAN (CN)
MENG XIANQIN (CN)
WANG WEI (CN)
TAN JIFENG (CN)
CHEN XIAOCHUAN (CN)
GAO JIAN (CN)
MENG XIANQIN (CN)
Application Number:
PCT/CN2018/097259
Publication Date:
February 14, 2019
Filing Date:
July 26, 2018
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
International Classes:
G02F1/13357; G02B6/00
Foreign References:
| CN101556356A | 2009-10-14 | |||
| CN102395909A | 2012-03-28 | |||
| CN107238979A | 2017-10-10 | |||
| CN107121824A | 2017-09-01 | |||
| CN107315280A | 2017-11-03 | |||
| CN108050439A | 2018-05-18 | |||
| US5703667A | 1997-12-30 |
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
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