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    • 7. 发明申请
    • Liquid crystal display device
    • 液晶显示装置
    • US20070046619A1
    • 2007-03-01
    • US11510557
    • 2006-08-28
    • Yutaka SanoTakashi KunimoriMasanori YasumoriToshihiko Tanaka
    • Yutaka SanoTakashi KunimoriMasanori YasumoriToshihiko Tanaka
    • G09G3/36
    • G09G3/3406G02F2001/13312G09G3/3648G09G2300/0426G09G2300/0456G09G2320/0626G09G2360/144
    • A liquid crystal display device 1 of the invention has a liquid crystal display panel in which a liquid crystal layer 14 is provided between a TFT substrate 2 and a CF substrate 25 that has a common electrode 26, a light sensing component LS1 with a TFT photosensor that senses external light, and an illuminating means controlled according to the output of the light sensing component. The light sensing component is deployed at the periphery of the TFT substrate's display area DA and uses a thin film transistor as photosensor. A capacitor C is connected between source and drain electrodes SL, DL for such TFT photosensor. One of the capacitor's terminals is connected to a standard voltage source VS via a switch element SW, and the other to the common electrode 26. Voltage that is always lower than the voltage applied to the common electrode by an amount corresponding to a reverse bias voltage is applied to the gate electrode GL for the TFT photosensor. The capacitor's voltage a certain time after the switch element turns off is output. As a result, it will be possible to provide a liquid crystal display device in which the light sensing component incorporated in the liquid crystal display panel is not susceptible to the influence of the drive signals for the display panel, and in which the light sensing component does not induce deterioration of the liquid crystals.
    • 本发明的液晶显示装置1具有液晶显示面板,其中液晶层14设置在TFT基板2和具有公共电极26的CF基板25之间,具有TFT的光感测部件LS 1 感测外部光的光电传感器,以及根据光检测部件的输出控制的照明装置。 光感测部件配置在TFT基板的显示区域DA的周围,并且使用薄膜晶体管作为光电传感器。 对于这种TFT光电传感器,电容器C连接在源电极和漏电极S L L,D L L之间。 电容器的端子中的一个通过开关元件SW连接到标准电压源V SUB,另一个连接到公共电极26.电压总是低于通过公共电极施加到公共电极的电压 将对应于反向偏置电压的量施加到用于TFT光电传感器的栅电极G L L。 输出开关元件关闭后一定时间内的电容器电压。 结果,可以提供一种液晶显示装置,其中结合在液晶显示面板中的感光元件不受显示面板的驱动信号的影响,并且其中感光部件 不会引起液晶的劣化。
    • 8. 发明申请
    • Liquid crystal display apparatus
    • 液晶显示装置
    • US20060007382A1
    • 2006-01-12
    • US11174601
    • 2005-07-06
    • Yutaka Sano
    • Yutaka Sano
    • G02F1/1345
    • G09G3/3611G02F1/13452G09G2330/06
    • A liquid crystal display apparatus 10 configured in such manner that multiple TCPs 53A to 53D mounting respective source driver ICs 55A to 55D are provided on the periphery of a liquid crystal display panel 51, where the TCPs neighboring each other are connected via respective connection wires 62A to 62D formed on the liquid crystal display panel 51, and various signals including image data signals and voltages required for driving the liquid crystal display panel and the liquid crystal driver ICs 55A to 55D are supplied from an external circuit board 54 to one TCP at the end of the TCPs, and the various signals and voltage are supplied from the TCP 53A to which the signals and voltage are supplied by the external circuit board sequentially to the adjacent TCPs 53B to 53D, where the source driver ICs 55A to 55D output image data signals except for processed image data signals pertaining to the input image data signals to the next adjacent source driver IC. A liquid crystal display apparatus of such configuration employing the signal transmission system which reduces EMI is thereby provided.
    • 一种液晶显示装置10,其构造为在液晶显示面板51的周围设置多个安装各个​​源极驱动IC55A至55D的TCP 53A至53D​​,其中相邻的TCP相互连接, 形成在液晶显示面板51上的各个连接线62A至62D以及包括用于驱动液晶显示面板和液晶驱动器IC 55A至55D所需的图像数据信号和电压的各种信号从外部 电路板54连接到TCP端的一个TCP,并且各种信号和电压从TCP 53A提供,信号和电压由外部电路板依次提供给相邻TCP 53B至53D, 其中源极驱动器IC 55A至55D将与输入图像数据信号相关的处理后的图像数据信号的图像数据信号输出到下一个相邻的源极驱动器IC。 由此,提供了采用降低EMI的信号传输系统的这种配置的液晶显示装置。
    • 9. 发明申请
    • Display apparatus
    • 显示装置
    • US20050219236A1
    • 2005-10-06
    • US11086653
    • 2005-03-23
    • Yutaka SanoSatoshi Morita
    • Yutaka SanoSatoshi Morita
    • G02F1/133G09F9/30G09G3/20G09G3/36G09G5/00
    • G09G3/3688G09G2320/0223
    • A liquid crystal display apparatus is constituted whereby multiple source driver circuits provided with a driver IC are connected to the periphery of a liquid crystal display panel, and power supply voltages supplied from the outside are sequentially supplied from a specific source driver circuit to an adjacent source driver circuit, and a wire resistance calculation wire is formed for the driver IC in the voltage supply direction upstream, and is approximately equivalent to the signal wires extending from the upstream driver IC to the adjacent driver IC in the voltage supply direction downstream. The driver IC calculates the wire resistance by impressing a certain calculated voltage to one end of the wire resistance calculation wire, and then detects the voltage on the other end, calculates the amounts of the drop in voltage level based on the calculated wire resistance, and outputs the power supply voltages increased by the calculated respective amounts of the voltage drop to the downstream driver IC. Accordingly, a display apparatus is provided for preventing a drop in the power supply voltages sequentially supplied, thereby inhibiting malfunctioning of the driver ICs, resulting in improved display quality.
    • 构成液晶显示装置,其中设置有驱动器IC的多个源极驱动电路连接到液晶显示面板的周围,并且从外部提供的电源电压从特定的源极驱动电路顺序地供给到相邻的源极 驱动电路和线电阻计算线形成为上游的电压供给方向上的驱动器IC,并且与从上游驱动器IC向下游的电压供给方向的相邻驱动器IC延伸的信号线近似相等。 驱动器IC通过将一定的计算电压施加到导线电阻计算线的一端来计算线电阻,然后检测另一端的电压,基于计算的线电阻计算电压电平的下降量,以及 将计算的各个电压降量的电源电压输出到下游驱动器IC。 因此,提供了一种用于防止顺序提供的电源电压下降的显示装置,从而抑制驱动器IC的故障,从而提高了显示质量。