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    • 5. 发明授权
    • ILLUMINATION DEVICE
    • 照明装置
    • EP1941484B1
    • 2011-12-21
    • EP06809556.1
    • 2006-10-10
    • Philips Intellectual Property & Standards GmbHKoninklijke Philips Electronics N.V.
    • HENTE, DirkYOUNG, Edward Willem Albert
    • G09G3/32
    • G09G3/3208G09G2320/029G09G2320/043H05B33/0896Y02B20/36
    • An illumination device comprising an organic light-emitting diode (1) (OLED) having a light output that changes with use with an illumination/active area (2,3), where light is being emitted for an illumination purpose, a reference area (4) being substantially smaller than the illumination area (2), wherein the reference area (4) is an isolated area (4) not connected to the illumination/active area (2,3), a substrate, on which the reference area (4) and the illumination/active area (2,3) are located, a driver (5) connected to the illumination/active area (2,3) and the reference area (4), with a measurement circuit (6) detecting at least one active value of the illumination/active area (2,3) and at least one reference value of the reference area (4), a control circuit (7), which compares the active and the reference value and produces a correction signal in response thereto to compensate the changes in the light output of the illumination area (2), wherein the control circuit (7) calculates the correction signal for the illumination area (2) based on the active value and the reference value.
    • 一种照明装置,包括具有随着照明/有效区域(2,3)的使用而变化的光输出的有机发光二极管(1)(OLED),其中光照用于照明目的而被发射,参考区域 4)基本上小于照明区域(2),其中参考区域(4)是不与照明/有效区域(2,3)连接的隔离区域(4);衬底,参考区域 4)和照明/有效区域(2,3),驱动器(5)连接到照明/有效区域(2,3)和参考区域(4),测量电路(6) 照明/有效区域(2,3)的至少一个有效值和参考区域(4)的至少一个参考值;控制电路(7),其比较有效值和参考值,并产生校正信号in 响应于此来补偿照明区域(2)的光输出中的变化,其中控制电路(7)计算 基于有效值和参考值来测试照明区域(2)的校正信号。