Yuk Ming LAI

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
Driving method for improving luminous efficacy of a light emitting...
- Patent number 8,093,821
- Issue date Jan 10, 2012
- The Hong Kong Polytechnic University
- Ka Hong Loo
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
DRIVING METHOD FOR IMPROVING LUMINOUS EFFICACY OF A LIGHT EMITTING...
- Publication number 20100194300
- Publication date Aug 5, 2010
- The Hong Kong Polytechnic University
- Ka Hong LOO
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR