Ya-Hsien Chang

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Backlight device and liquid crystal display incorporating the backl...
- Patent number 8,228,272
- Issue date Jul 24, 2012
- Hong Kong Applied Science And Technlogy Research Institute Company Limited
- Huajun Peng
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Backlight device and liquid crystal display incorporating the backl...
- Publication number 20080150853
- Publication date Jun 26, 2008
- Hong Kong Applied Science and Technology Research Institute Company Limited
- Huanjun Peng
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Illumination system and display device
- Publication number 20070236934
- Publication date Oct 11, 2007
- Hong Kong Applied Science and Technology Research Institute Company Limited
- Ya-Hsien Chang
- G02 - OPTICS