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    • 1. 发明申请
    • DISPLAY DEVICE, DISPLAY CONTROL METHOD, AND ELECTRONIC APPARATUS
    • 显示装置,显示控制方法和电子装置
    • US20100141623A1
    • 2010-06-10
    • US12598540
    • 2008-10-27
    • Takayuki NakanishiYoshiharu Nakajima
    • Takayuki NakanishiYoshiharu Nakajima
    • G09G5/10G06F3/038
    • G09G3/3406G01J1/32G01J1/46G02F1/13318G02F2001/133601G02F2001/133626G09G2310/0237G09G2310/08G09G2320/041G09G2320/0626G09G2320/0693G09G2360/144G09G2360/145
    • A display device is provided and includes a first photosensor that detects the light amount of ambient light of a display area, a second photosensor that detects dark current arising when light is blocked, and changeover switches that select the first photosensor and the second photosensor. The display device further includes a comparator that compares the output of the selected first photosensor or second photosensor with a predetermined reference value, and control means that calculates the difference between the comparison result by the comparator with the first photosensor and the comparison result by the comparator with the second photosensor and controls the amount of light supplied to the display area corresponding to the calculation result. This configuration suppresses the influence of a detection error due to variation in the performance between the photosensors applied to the display device to thereby accurately adjust the amount of light supplied to the display area.
    • 提供了显示装置,并且包括检测显示区域的环境光的光量的第一光电传感器,检测光被遮挡时产生的暗电流的第二光电传感器,以及选择第一光传感器和第二光传感器的切换开关。 显示装置还包括比较器,其将所选择的第一光电传感器或第二光电传感器的输出与预定参考值进行比较;以及控制装置,其计算比较器与第一光传感器的比较结果与比较器的比较结果之间的差 利用第二光电传感器并控制提供给与计算结果对应的显示区域的光量。 该配置抑制由于施加到显示装置的光电传感器之间的性能变化而导致的检测误差的影响,从而精确地调整供应到显示区域的光量。