公开(公告)号：US20040046724A1

公开(公告)日：2004-03-11

申请号：US10650992

申请日：2003-08-29

Applicant: LG.Philips LCD Co., Ltd and a PTO

Inventor： You Tack Woo ,  Kyeong Kun Jang

IPC: G09G003/36

CPC classification number: G09G3/3685 ,  G09G3/3614 ,  G09G3/3688 ,  G09G2310/027 ,  G09G2320/0247 ,  G09G2320/0276 ,  G09G2320/0606 ,  G09G2320/0626 ,  G09G2320/0673

Abstract: A signal driving circuit of a liquid crystal display device includes a column driver for converting video data input into analog signals and applying said analog signals to pixels of a liquid crystal panel, a gamma voltage circuit for applying a plurality of signal voltages to the column driver and an external voltage supplying unit for generating and adjusting signal voltages and a common voltage applied to the gamma voltage circuit and the common electrode, respectively.

Abstract translation: 液晶显示装置的信号驱动电路包括列驱动器，用于将输入的视频数据转换为模拟信号，并将所述模拟信号施加到液晶面板的像素;伽马电压电路，用于将多个信号电压施加到列驱动器 以及外部电压供给单元，用于分别产生和调整施加到伽马电压电路和公共电极的信号电压和公共电压。