Shengjer Chang Chien

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
LED (light-emitting diode) encapsulation and manufacturing method t...
- Patent number 9,142,736
- Issue date Sep 22, 2015
- Shenzhen China Star Optoelectronics Technology Co., Ltd.
- Yongyuan Qiu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Luminous Source Utilizing Quantum Dot, and Its Manufacturing Method...
- Publication number 20150311385
- Publication date Oct 29, 2015
- Shenzhen China Star Optoelectronics Technology Co., Ltd.
- Yongyuan QIU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LED (LIGHT-EMITTING DIODE) ENCAPSULATION AND MANUFACTURING METHOD T...
- Publication number 20150214445
- Publication date Jul 30, 2015
- Shenzhen China Star Optoelectronics Technology Co., Ltd.
- Yongyuan Qiu
- H01 - BASIC ELECTRIC ELEMENTS