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    • 28. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20120212520A1
    • 2012-08-23
    • US13500812
    • 2010-10-04
    • Yoshitaka MatsuiYoshiyuki Kawagoe
    • Yoshitaka MatsuiYoshiyuki Kawagoe
    • G09G3/36G09G5/10
    • G09G3/3648G09G3/3426G09G3/3611G09G2320/0252G09G2320/0271G09G2320/041G09G2340/16
    • A liquid crystal display device performs suitable overshoot drive, even if a panel temperature is changed due to a change of the backlight emission luminance. The liquid crystal display device includes: a temperature sensor which detects the temperature in the device; an emphasis conversion section, which obtains, after the elapse of one vertical display period, an emphasis conversion parameter for making the transmissivity of the liquid crystal panel reach the transmissivity specified by input image signals, and which outputs applying voltage signals for the liquid crystal panel on the basis of the emphasis conversion parameter; and a main microcomputer which corrects the panel temperature of the liquid crystal panel on the basis of the changed light emission luminance when the light emission luminance of the backlight is changed. The emphasis conversion section variably controls the emphasis conversion parameter on the basis of the panel temperature corrected via the main microcomputer.
    • 即使面板温度由于背光发光亮度的变化而变化,液晶显示装置也进行合适的过冲驱动。 液晶显示装置包括:检测装置内的温度的温度传感器; 强调转换部,其在经过一个垂直显示周期之后获得用于使液晶面板的透射率达到由输入图像信号指定的透射率的强调转换参数,并且输出为液晶面板施加电压信号 在强调转换参数的基础上; 以及当改变背光的发光亮度时,基于改变的发光亮度校正液晶面板的面板温度的主微型计算机。 强调转换部分可以根据通过主微型计算机校正的面板温度来可变地控制强调转换参数。