Gamma reference voltage generating circuit and a method of using the same in a liquid crystal display
    1.
    发明申请
    Gamma reference voltage generating circuit and a method of using the same in a liquid crystal display 有权
    伽马参考电压发生电路及其在液晶显示器中的使用方法

    公开(公告)号:US20020126077A1

    公开(公告)日:2002-09-12

    申请号:US10091116

    申请日:2002-03-06

    Inventor: Heume Il Baek

    CPC classification number: G09G3/3696 G09G3/3611 G09G2320/0276

    Abstract: A gamma reference voltage generating circuit in a liquid crystal display includes a first gamma power unit outputting a first gamma voltage for a reflective driving mode of the liquid crystal display, a second gamma power unit outputting a second gamma voltage for a transmissive driving mode of the liquid crystal display, and a switching unit selecting one of the first gamma voltage of the first gamma power unit and the second gamma voltage of the second gamma power unit, and outputting the selected gamma voltage to a source driving circuit.

    Abstract translation: 液晶显示器中的伽马参考电压产生电路包括:输出用于液晶显示器的反射驱动模式的第一伽玛电压的第一伽玛功率单元;输出用于液晶显示器的透射驱动模式的第二伽马电压的第二伽马功率单元; 液晶显示器,以及切换单元,选择第一伽马功率单元的第一伽马电压和第二伽马功率单元的第二伽马电压之一,并将所选择的伽玛电压输出到源极驱动电路。

Patent Agency Ranking