| Title |
LED Driver Design with Power Optimum Control Function |
| Authors |
이승우(Lee, Seung-Woo) ; 신홍규(Shin, Hong-Gyu) ; 조성익(Cho, Seong-Ik) |
| DOI |
https://doi.org/10.5370/KIEEP.2011.60.4.253 |
| Keywords |
LED Driver ; LCD ; BLU ; Boost Converter ; LED String |
| Abstract |
LEDs have small size, long lifespan, high reliability, low power consumption and high color efficiency. Using such a characteristics, LED Back Light Unit has been studying actively. This paper proposes LED driver to minimize power consumption due to LED forward voltage(V_F) difference and temperature rising. Compared to conventional LED driver, the proposed driver have excellent stability, brief structure and linear output voltage of DC-DC boost converter. Proposed LED Driver circuit was designed using 0.35um CMOS technology. And its operation was verified through simulation. |