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    • 16. 发明授权
    • Display device
    • 显示设备
    • US08614659B2
    • 2013-12-24
    • US11644831
    • 2006-12-26
    • Toshio Miyazawa
    • Toshio Miyazawa
    • G09G3/36
    • G09G3/2074G09G3/3648G09G2300/0408G09G2300/0842G09G2310/0262G09G2310/027
    • A display device for use in compact portable devices is configured for assigning gray levels according to the pixel area ratio and, further includes a digital-to-analog (D-A) conversion circuit for converting digital data to gray-level voltage or analog signals. This configuration reduces the size of the circuit for D-A conversion, thus reducing the space for the driving circuit when assigning gray levels according to the pixel area ratio. The combination of the gray-level voltage output from the driving circuit and the gray-level assignment according to the pixel area ratio reduces the scale of the circuit.
    • 用于小型便携式设备的显示设备被配置为根据像素面积比分配灰度级,并且还包括用于将数字数据转换为灰度级电压或模拟信号的数模(D-A)转换电路。 该配置减小了用于D-A转换的电路的尺寸,从而在根据像素面积比分配灰度级时减小了驱动电路的空间。 根据像素面积比,来自驱动电路的灰度级电压输出与灰度分配的组合减小了电路的规模。
    • 18. 发明授权
    • Display device
    • 显示设备
    • US08284181B2
    • 2012-10-09
    • US12684317
    • 2010-01-08
    • Takayuki NakaoHideo SatoMasahiro MakiToshio Miyazawa
    • Takayuki NakaoHideo SatoMasahiro MakiToshio Miyazawa
    • G09G5/00
    • G09G3/3655
    • The present invention provides a display device which includes a common electrode drive circuit having the single channel constitution which can miniaturize a circuit scale without increasing elements compared to a conventional display device. A display device includes a plurality of pixels and a common electrode drive circuit. The common electrode drive circuit includes a plurality of basic circuits, wherein the basic circuit includes a first circuit which latches a first input signal at a point of time that a clock signal is changed to a first voltage level from a second voltage level; a second circuit which latches a second input signal at the point of time that the clock signal is changed to the first voltage level from the second voltage level; a first switching circuit which is turned on based on the first circuit and a second switching circuit which is turned on based on the voltage second circuit.
    • 本发明提供了一种显示装置,其包括具有单通道结构的公共电极驱动电路,其可以与常规显示装置相比能够使电路规模小型化而不增加元件。 显示装置包括多个像素和公共电极驱动电路。 公共电极驱动电路包括多个基本电路,其中基本电路包括第一电路,其在时钟信号从第二电压电平变为第一电压电平的时间点锁存第一输入信号; 第二电路,其在时钟信号从第二电压电平改变为第一电压电平的时间点锁存第二输入信号; 基于第一电路接通的第一开关电路和基于电压第二电路导通的第二开关电路。