2004
10R&D center was awarded by the president of ROK for its contribution
03Launched Z-Power LED
2002
01Listed on the Korean Stock Market (KOSDAQ)
01Established Seoul Opto-Device Co., Ltd.
2001
07Established Kwang Myung Semiconductor Co., Ltd.
05Achieved QS-9000 certificate
1998
01Achieved ISO-9001 certificate
1994
04Designated as the advanced company in technology
1993
10 Opened the R&D center
1992
02 Chung Hoon Lee assumed CEO