Choul Ho Lee

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Gyeonggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Two-sided illumination LED lens and LED module and LED two-sided il...
- Patent number 7,740,366
- Issue date Jun 22, 2010
- Samsung Electro-Mechanics Co., Ltd.
- Ariyoshi Tetsuo
- F21 - LIGHTING
Information Patent Grant
Back light unit having light guide buffer plate
- Patent number 7,628,527
- Issue date Dec 8, 2009
- Samsung Electro-Mechanics Co., Ltd.
- Do Hun Kim
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
TWO-SIDED ILLUMINATION LED LENS AND LED MODULE AND LED TWO-SIDED IL...
- Publication number 20100020540
- Publication date Jan 28, 2010
- Samsung Electro-Mechanics CO., LTD.
- Ariyoshi TETSUO
- G02 - OPTICS
Information Patent Application
Back light unit having light guide buffer plate
- Publication number 20080137374
- Publication date Jun 12, 2008
- Samsung Electro-Mechanics CO., LTD.
- Do Hun Kim
- G02 - OPTICS