An X-Y Channel Dimming LED Backlight with Temperature Compensation for LCD TVs

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In this paper, an X-Y channel dimming light emitting diode (LED) backlight with temperature compensation for in LCD TVs is proposed. It shows local dimming effects such as reduced power consumption and high dynamic contrast ratio even with much less number of LED drivers than that of the conventional twodimensional local dimming method. Moreover, the image distortion caused by temperature variation of LED block can be effectively compensated. The validity of the proposed dimming method is verified by simulation and experimental results based on a RGB-LED backlight of a 32-inch LCD TV.
Publisher
KIPE
Issue Date
2008-06
Language
ENG
Citation

2008년 전력전자학술대회, pp.335 - 337

URI
http://hdl.handle.net/10203/163024
Appears in Collection
EE-Conference Papers(학술회의논문)
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