http://www.strategies-u.com/index.html
1. Nichia, Japan
2. Osram Opto Semiconductors, Germany
3. Lumileds, USA
4. Seoul Semiconductor, South Korea
5. Samsung, South Korea
6. Everlight Electronics, Taiwan
7. Cree, USA
8. LG Innotek, South Korea
9. Mulinsen (MLS), China
10. Lumens, South Korea
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