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Shih-Chieh Tang
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Tainan City, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Optical film and lighting module including the same
Patent number
10,156,343
Issue date
Dec 18, 2018
Efun Technology Co., Ltd
Shih-Chieh Tang
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Brightness enhancement film having curved prism units
Patent number
7,448,776
Issue date
Nov 11, 2008
Efun Technology Co., Ltd
Shih-Chieh Tang
G02 - OPTICS
Information
Patent Grant
Brightness enhancement film having a light-guiding structure
Patent number
7,269,328
Issue date
Sep 11, 2007
Efon Technology Co., Ltd.
Shih-Chieh Tang
G02 - OPTICS
Information
Patent Grant
Brightness enhancement film having a reinforcing structure
Patent number
7,269,327
Issue date
Sep 11, 2007
Efun Technology Co., Ltd
Shih-Chieh Tang
G02 - OPTICS
Information
Patent Grant
Uniform curved surface structure of a brightness unit for a brightn...
Patent number
6,759,113
Issue date
Jul 6, 2004
Shih-Chieh Tang
G02 - OPTICS
Information
Patent Grant
Brightness enhancement film
Patent number
6,277,471
Issue date
Aug 21, 2001
Shih Chieh Tang
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
QUANTUM STRUCTURE LIGHT-EMITTING MODULE
Publication number
20190221721
Publication date
Jul 18, 2019
Shih-Chieh TANG
G02 - OPTICS
Information
Patent Application
OPTICAL FILM AND LIGHTING MODULE INCLUDING THE SAME
Publication number
20170067603
Publication date
Mar 9, 2017
EFUN TECHNOLOGY CO., LTD.
Shih-Chieh Tang
F21 - LIGHTING
Information
Patent Application
Brightness enhancement film having curved prism units and light sca...
Publication number
20070121227
Publication date
May 31, 2007
EFUN TECHNOLOGY CO., LTD.
Jing-Wei Wang
G02 - OPTICS
Information
Patent Application
Brightness enhancement film having curved prism units and microstru...
Publication number
20070115569
Publication date
May 24, 2007
EFUN TECHNOLOGY CO., LTD.
Shih-Chieh Tang
G02 - OPTICS
Information
Patent Application
BRIGHTNESS ENHANCEMENT FILM HAVING A LIGHT-GUIDING STRUCTURE
Publication number
20070058920
Publication date
Mar 15, 2007
EFUN TECHNOLOGY CO., LTD.
Shih-Chieh Tang
G02 - OPTICS
Information
Patent Application
BRIGHTNESS ENHANCEMENT FILM HAVING A REINFORCING STRUCTURE
Publication number
20070002471
Publication date
Jan 4, 2007
EFUN TECHNOLOGY CO., LTD.
Shih-Chieh Tang
G02 - OPTICS
Information
Patent Application
Brightness enhancement film having curved prism units
Publication number
20050237641
Publication date
Oct 27, 2005
Shih-Chieh Tang
G02 - OPTICS
Information
Patent Application
Light diffuser having a light diffusion layer
Publication number
20050225862
Publication date
Oct 13, 2005
Shih-Chieh Tang
G02 - OPTICS
Information
Patent Application
Television projection screen
Publication number
20030147141
Publication date
Aug 7, 2003
Shih-Chieh Tang
G02 - OPTICS