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    Please use this identifier to cite or link to this item: http://ir.lib.ksu.edu.tw/handle/987654321/8705

    Title: LED 背光燈單級驅動電路
    Single-stage LED backlight driving circuit
    Authors: 吳財福(T.-F. Wu)
    陳裕仁(Y.-R. Chen)
    吳昌諭(C.-Y. Wu)
    楊程富(C.-F. Yang)
    Keywords: 液晶面板
    dimming control
    driving circuit
    Date: 2008-09-05
    Issue Date: 2010-02-25 12:02:23 (UTC+8)
    Abstract: 本文是針對色序法與區域控制液晶面板之發光二極體
    (Light Emitting Diode, LED)背光燈驅動系統所做的研究與探
    討。近年來,由於LED 之發光效率提升,且其具有反應速度
    動LED 背光燈,以降低系統體積與成本,並提出LED 調光與
    穩流控制IC,以達到分區調光、與穩定多串LED 驅動電流等
    In this paper, a light emitting diode (LED) backlight driving
    system for liquid crystal display (LCD) panels with color sequential
    display (CSD) and area control is proposed. Due to improvement
    on luminous efficacy, fast response and wide color gamut,
    LED has gradually substituted for cold cathode fluorescent lamp
    as backlight. The proposed driving system adopts CSD to improve
    light utilization efficiency and reduce power consumption by
    removing color filter. In addition, power consumption can be
    further reduced and dark-bright contrast ratio can be improved by
    adopting area control. In the proposed system, a single-stage
    converter is adopted to drive the LED backlight, reducing the
    volume and cost. Moreover, an LED current regulation and dimming
    control circuit is proposed to achieve multi-strin
    Relation: 台灣電子電力研討會暨展覽會
    Appears in Collections:[電機工程系所 ] 2008第七屆台灣電力電子研討會暨展覽會

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