Won Cheol Seol

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Ansan-si, KR

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Patents Grantslast 30 patents

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Light emitting device having a plurality of non-polar light emittin...
- Patent number 8,648,380
- Issue date Feb 11, 2014
- Seoul Opto Device Co., Ltd.
- Kwang Choong Kim
- H01 - BASIC ELECTRIC ELEMENTS