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2 stage LC 회로를 이용한 LED Back Light Unit Driver 회로에서의 전압, 전류 안정화 방법
문명성(Myoung-Sung Moon),이중희(Jung-Hee Lee),성광수(Gwang-Soo Sung),장자순(Ja-Soon Jang) 한국조명·전기설비학회 2010 한국조명·전기설비학회 학술대회논문집 Vol.2010 No.5월
In order to realize low power consumption and the uniformly efficiency of LED BLU (Back-Light Unit) system, new circuits with 2 stage L-C (inductor-capacitance) circuits have been proposed. From the simulation results based on our proposed model, the ripple power of the L-C regulation-embedded BLU circuit shows a dramatic reduction by more than 89.3 % as compared to the normal BLU (without L-C circuits), indicating that the proposed compensating-circuit is very promising for the realization of high-efficiency BLU circuits.
RLC regulation circuit과 snubber circuit을 이용한 LED Back Light Unit Driver 회로에서의 전압, 전류 안정화 방법
문명성(Myoung-Sung Moon),권오순(O-Soon Kwon),김범수(Bum-Soo Kim),이중희(Jung-Hee Lee),장자순(Ja-Soon Jang) 한국조명·전기설비학회 2011 한국조명·전기설비학회 학술대회논문집 Vol.2011 No.5월
In order to realize low power consumption, system safety and the stable luminance uniformity of LED BLU (Back-Light Unit) system, new circuits with RLC (resistance-inductor-capacitance) regulation and snubber circuits have been proposed. From the simulation and experiment results based on our proposed model, the ripple power of the RLC regulation-embedded BLU circuit shows a dramatic reduction by more than 94.3 % as compared to the normal BLU and the overshoot voltage of the snubber circuit-embedded BLU circuit shows a dramatic reduction by more than 90.0 % as compared to the normal BLU, indicating that the proposed compensating-circuit is very promising for the realization of high-electrical efficiency BLU circuits.