Chien-Hong Cheng

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Hsinchu, TW

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

Information Patent Application
Host material for blue OLED and white light emitting device utilizi...
- Publication number 20090062570
- Publication date Mar 5, 2009
- Chien-Hong CHENG
- Chien-Hong Cheng
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Organic light emitting diode containing a novel Ir complex as a pho...
- Publication number 20050227109
- Publication date Oct 13, 2005
- Chien-Hong Cheng
- Chien-Hong Cheng
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Trademarklast 30 trademarks