- DKS Semi Conductor
- Blu,Backlights,Back light unit.
- Address:# 225-3, DangJungDong
- Photonics Trade Group
- LD Chip, Optical Electronical Component, Integrated Circuits, Displays,Others,LED Backlights,LED Lamps,EL Products.
- Address:375seoseok Dong, Donggu, Blcentre503
- Lasemtech.inc.
- LED, Automotive, Mobile,LED Backlights,Electronic Signs.
- Address:358-1, Sin-dong, Yeongtong-gu
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