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Title:
OPTICAL DIAPHRAGM, BACKLIGHT MODULE AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/161596
Kind Code:
A1
Abstract:
Disclosed is an optical diaphragm provided above a light guide plate, wherein the optical diaphragm is made of a quantum dot material, and diffusion particles for uniformly emitting incident light at all angles are filled inside the optical diaphragm. Applying the present invention can ensure the backlight emitted by a backlight module is uniform and comprises various angles, such that the chromatic aberration and the chrominance of the display device at various angles are consistent, thus improving the imaging quality of the display device.

Inventors:
CHANG, Jianyu (Area B First Floor, Building D TCL Liquid Crystal Industrial Park,No. 78, Huifeng 4th Road, Zhongkai High-tech Industry Development Zon, Huizhou Guangdong 0, 516000, CN)
LEE, Yungjui (Area B First Floor, Building D TCL Liquid Crystal Industrial Park,No. 78, Huifeng 4th Road, Zhongkai High-tech Industry Development Zon, Huizhou Guangdong 0, 516000, CN)
HSIAO, Yuchun (Area B First Floor, Building D TCL Liquid Crystal Industrial Park,No. 78, Huifeng 4th Road, Zhongkai High-tech Industry Development Zon, Huizhou Guangdong 0, 516000, CN)
CHANGCHIEN, Shengjer (Area B First Floor, Building D TCL Liquid Crystal Industrial Park,No. 78, Huifeng 4th Road, Zhongkai High-tech Industry Development Zon, Huizhou Guangdong 0, 516000, CN)
Application Number:
CN2018/082147
Publication Date:
August 29, 2019
Filing Date:
April 08, 2018
Export Citation:
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Assignee:
HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD. (Area B First Floor, Building D TCL Liquid Crystal Industrial Park,No. 78, Huifeng 4th Road, Zhongkai High-tech Industry Development Zon, Huizhou Guangdong 0, 516000, CN)
International Classes:
F21V5/08; F21V8/00; G02B5/02
Foreign References:
CN107203016A2017-09-26
CN107656330A2018-02-02
CN104516034A2015-04-15
CN103487857A2014-01-01
US20170248748A12017-08-31
Attorney, Agent or Firm:
SHENZHEN RONDA PATENT AND TRADEMARK LAW OFFICE (Unit 2709-2711, East Block Qiushi Center,Shennan Middle Road, Futian Distric, Shenzhen Guangdong 0, 518000, CN)
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