Weihua DU

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Xiamen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Nitride underlayer and fabrication method thereof
- Patent number 9,559,261
- Issue date Jan 31, 2017
- XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO., LTD.
- Dongyan Zhang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
MICRO LIGHT-EMITTING DIODE AND LIGHT-EMITTING DEVICE INCLUDING THE...
- Publication number 20230127640
- Publication date Apr 27, 2023
- Xiamen San'an Optoelectronics Technology Co., Ltd.
- Shuiqing LI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-EMITTING STRUCTURE, METHOD FOR PRODUCING THE LIGHT-EMITTING S...
- Publication number 20230006092
- Publication date Jan 5, 2023
- XIAMEN SANAN OPTOELECTRONICS TEHCNOLOGY CO., LTD.
- SHUIQING LI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nitride Light Emitting Diode
- Publication number 20170148948
- Publication date May 25, 2017
- XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO., LTD
- Jinjian ZHENG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Light Emitting Diodes and Fabrication Method
- Publication number 20170141261
- Publication date May 18, 2017
- XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO., LTD
- Jinjian ZHENG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nitride Underlayer and Fabrication Method Thereof
- Publication number 20150280069
- Publication date Oct 1, 2015
- XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO., LTD
- DONGYAN ZHANG
- H01 - BASIC ELECTRIC ELEMENTS