Title:
BACKLIGHT ASSEMBLY, AND DISPLAY DEVICE AND APPLICATION TERMINAL WITH SAME
Document Type and Number:
WIPO Patent Application WO/2021/017157
Kind Code:
A1
Abstract:
Provided is a backlight assembly with a camera region defined thereon. The backlight assembly comprises a substrate layer (100), wherein a reflecting layer (110) is arranged on the substrate layer (100), and an optical film layer is arranged on the reflecting layer (110). The optical film layer is provided with a through hole (160) in a camera (210) area, the through hole (160) is coated with an annular light guide film layer (170), and an inner ring of the light guide film layer (170) and the through hole (160) are concentrically arranged. The annular light guide film layer (170) is introduced to control a propagation direction of light in a certain area around the camera (210) under a display screen in which the annular light guide film layer is located, such that the light is uniformly distributed above the camera (210), and then a picture can still be displayed at a position where the camera (210) is held by a liquid crystal layer of the display screen.
Inventors:
ZHANG GUIYANG (CN)
Application Number:
PCT/CN2019/109297
Publication Date:
February 04, 2021
Filing Date:
September 30, 2019
Export Citation:
Assignee:
WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD (CN)
International Classes:
G02F1/1333
Foreign References:
| CN208384291U | 2019-01-15 | |||
| CN108322578A | 2018-07-24 | |||
| CN108845455A | 2018-11-20 | |||
| CN105208149A | 2015-12-30 | |||
| US20060203465A1 | 2006-09-14 | |||
| US20180010773A1 | 2018-01-11 |
Attorney, Agent or Firm:
ESSEN PATENT & TRADEMARK AGENCY (CN)
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