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Patents Grants
last 30 patents
Information
Patent Grant
Method for improving internal quantum efficiency of group-III nitri...
Patent number
8,597,961
Issue date
Dec 3, 2013
Walsin Lihwa Corporation
Chang-Chi Pan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for enhancing electrical injection efficiency and light extr...
Patent number
8,513,688
Issue date
Aug 20, 2013
Walsin Lihwa Corporation
Chang-Chi Pan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting device and method for enhancing light extraction the...
Patent number
8,129,728
Issue date
Mar 6, 2012
Walsin Lihwa Corporation
Chang-Chi Pan
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
METHOD FOR ENHANCING ELECTRICAL INJECTION EFFICIENCY AND LIGHT EXTR...
Publication number
20140017831
Publication date
Jan 16, 2014
WALSIN LIHWA CORPORATION
Chang-Chi Pan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING DEVICE AND METHOD FOR ENHANCING LIGHT EXTRACTION THE...
Publication number
20120129283
Publication date
May 24, 2012
WALSIN LIHWA CORPORATION
CHANG-CHI PAN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method for enhancing electrical injection efficiency and light extr...
Publication number
20110127551
Publication date
Jun 2, 2011
WALSIN LIHWA CORPORATION
Chang-Chi Pan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Light emitting device and method for enhancing light extraction the...
Publication number
20110095314
Publication date
Apr 28, 2011
WALSIN LIHWA CORPORATION
Chang-Chi Pan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method for improving internal quantum efficiency of Group-III nitri...
Publication number
20110089398
Publication date
Apr 21, 2011
WALSIN LIHWA CORPORATION
Chang-Chi Pan
H01 - BASIC ELECTRIC ELEMENTS