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    • 7. 发明授权
    • Backlight unit and method for controlling temperature thereof
    • 背光单元及其温度控制方法
    • US07357536B2
    • 2008-04-15
    • US11320462
    • 2005-12-29
    • Moon Chul SungKyu Tae Lee
    • Moon Chul SungKyu Tae Lee
    • F21V5/00
    • H05B41/39G02F2001/133628
    • A backlight unit for effectively controlling a heat absorption operation required under a high temperature condition and a heat emission operation required under a low temperature condition to increase lamp performance and lamp lifespan, and achieve an enhanced initial brightness increase effect includes: a cover bottom including a first portion, a second portion spaced apart from the first portion, and a third portion connecting the first and second portions; a lamp arranged at the first portion of the cover bottom; and a current direction controller connected to the first and second portions and adapted to control a direction of current supplied to the cover bottom according to a Thomson's coefficient of the cover bottom. A method for controlling a temperature of a backlight unit includes controlling the direction of current supplied to the cover bottom according to a Thomson's coefficient of the cover bottom to emit or absorb heat.
    • 一种背光单元,用于有效地控制在高温条件下所需的吸热作用和在低温条件下所需的散热操作以提高灯的性能和灯的寿命,并且实现增强的初始亮度增加效果包括:盖底包括 第一部分,与第一部分间隔开的第二部分和连接第一和第二部分的第三部分; 布置在盖底部的第一部分处的灯; 以及电流方向控制器,其连接到第一和第二部分,并且适于根据盖底的汤姆逊系数控制供应到盖底的电流方向。 用于控制背光单元的温度的方法包括根据盖底的汤姆森系数来控制提供给盖底的电流的方向以发射或吸收热量。