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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 電機工程學系 > 會議論文  >  Sequential Color LED Backlight Driving System for LCD Panels with Area Control


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/83740


    Title: Sequential Color LED Backlight Driving System for LCD Panels with Area Control
    Authors: T.-F. Wu;C.-C. Chen;C.-Y. Wu;P.-C. Lu;Y.-R. Chen
    教師: 吳財福
    Date: 2007
    Publisher: Institute of Electrical and Electronics Engineers
    Relation: IEEE APEC'07, Orlando, FL, JUN 17-21, 2007, Pages 2947-2952
    Keywords: LED
    Backlight Driving System
    Area Control
    Abstract: In this paper, a sequential color light emitting diode (LED) backlight driving system for liquid crystal display (LCD) panels with area control is proposed. Due to improvement on luminous efficacy, fast response, long life, mercury free, and wide color gamut, LED has gradually substituted for cold cathode fluorescent lamp (CCFL) as backlight. Although some novel CCFLs with low content of mercury and wide color gamut have been proposed, it is difficult to shorten their on-off transition. Recently, a novel display technique, namely area control, requiring backlights with fast response has been proposed to improve the contrast ratio of LCD and reduce power consumption of the backlights. With the area control, a panel is partitioned into several areas, and the back-tight brightness of each area is controlled individually. In addition, color sequential display (CSD) is introduced to further reduce the power consumption. A sequential color LED backlight driving system with area control has been built, from which experimental measurements have verified the feasibility of the proposed driving system.
    Relation Link: http://www.ieee.org/index.html
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/83740
    Appears in Collections:[電機工程學系] 會議論文

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