作者: Chul Hee Yoo , Chang Ho Shin , Dong Hyun Cho , Jae Hong Shin , Hun Joo Hahm
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摘要: There is provided a surface light source using white emitting diodes including: plurality of arranged at predetermined distance from one another, wherein the are such that diode unit defined by each and corresponding ones disposed closest has central amount ranging 80% to 120% with respect an average diodes.