Ching-Hwa CHANG JEN

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Yangmei City, TW

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Patents Grantslast 30 patents

Information Patent Grant
High voltage light emitting diode chip and its manufacturing method
- Patent number 8,772,138
- Issue date Jul 8, 2014
- Walsin Lihwa Corporation
- Chih-Wei Yang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
HIGH VOLTAGE LIGHT EMITTING DIODE CHIP AND ITS MANUFACTURING METHOD
- Publication number 20130214297
- Publication date Aug 22, 2013
- WALSIN LIHWA CORPORATION
- Chih-Wei YANG
- H01 - BASIC ELECTRIC ELEMENTS