Title:
OPTICAL FILM, OPTICAL FILM SET, BACKLIGHT MODULE, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/115764
Kind Code:
A1
Abstract:
An optical film (100), an optical film set (600), a backlight module (200), and a display device (900). The optical film (100) comprises a body (110), a plurality of first prism structures (120), and a plurality of second prism structures (130). The body (110) is provided with a first optical surface (111) and a second optical surface (112) opposite to each other. The first prism structures (120) are disposed on the first optical surface (111). Each first prism structure (120) has a first extension direction (D1). The second prism structures (130) are disposed on the second optical surface (112). Each second prism structure (130) has a second extension direction (D2). The first extension direction (D1) is different from the second extension direction (D2) so as to increase the viewing angle.
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Inventors:
CHEN WEI-HSUAN (CN)
TAI CHUNG-YUNG (CN)
WU CHUN-YI (CN)
TAI CHUNG-YUNG (CN)
WU CHUN-YI (CN)
Application Number:
PCT/CN2022/087502
Publication Date:
June 29, 2023
Filing Date:
April 18, 2022
Export Citation:
Assignee:
RADIANT GUANGZHOU OPTO ELECTRONICS CO LTD (CN)
RADIANT OPTO ELECTRONICS CORP (CN)
RADIANT OPTO ELECTRONICS CORP (CN)
International Classes:
G02F1/1335
Foreign References:
| CN213069418U | 2021-04-27 | |||
| CN101329414A | 2008-12-24 | |||
| TW201250298A | 2012-12-16 | |||
| CN106226849A | 2016-12-14 | |||
| JP2001093316A | 2001-04-06 | |||
| CN102033253A | 2011-04-27 | |||
| CN112015000A | 2020-12-01 | |||
| CN101526691A | 2009-09-09 |
Attorney, Agent or Firm:
BEIJING EAST IP LTD. (CN)
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