Hung-Chun Chung

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Shanhua Township, TW

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Patents Grantslast 30 patents

Information Patent Grant
Dimmable LED device with low ripple current and driving circuit the...
- Patent number 8,193,738
- Issue date Jun 5, 2012
- Phihong Technology Co., Ltd.
- Chung-Jen Chu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
DIMMABLE LED DEVICE WITH LOW RIPPLE CURRENT AND DRIVING CIRCUIT THE...
- Publication number 20110031899
- Publication date Feb 10, 2011
- Chung-Jen Chu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR