公开(公告)号：US20040036672A1

公开(公告)日：2004-02-26

申请号：US10464442

申请日：2003-06-19

Applicant: LG.Philips LCD Co., Ltd.

Inventor： Jang-Jin Yoo ,  Hyeon-Ho Son

IPC: G09G003/36

CPC classification number: G09G3/3648 ,  G09G3/3406 ,  G09G2310/0235 ,  G09G2320/0606 ,  G09G2320/0673

Abstract: A field sequential liquid crystal display device includes a circuit unit producing RGB reference voltages and scanning signal voltages using RGB data and control signals, a liquid crystal display panel changing alignment direction of liquid crystal molecules in accordance with the RGB reference voltages and the scanning signal voltages, and a backlight device emitting light to the liquid crystal display panel, wherein the circuit unit includes an interface receiving the RGB data and the control signals, a timing controller generating gate control signals and data control signals, at least two gamma generating units generating the RGB reference voltages, a switch selecting one of the RGB reference voltages, a data driver receiving the data control signal and the selected RGB reference voltage selected from the switch, and supplying an RGB image voltage to the liquid crystal display panel in accordance with the selected RGB reference voltage and the data control signal, and a gate driver receiving the gate control signals from the timing controller and supplying the scanning signal voltage to the liquid crystal display panel in accordance with the gate control signal.

Abstract translation: 场顺序液晶显示装置包括使用RGB数据和控制信号产生RGB参考电压和扫描信号电压的电路单元，液晶显示面板根据RGB参考电压和扫描信号电压改变液晶分子的取向方向 以及向液晶显示面板发光的背光装置，其中，所述电路单元包括接收RGB数据和控制信号的接口，产生门控制信号和数据控制信号的定时控制器，至少两个伽马发生单元， RGB参考电压，选择RGB参考电压之一的开关，接收数据控制信号的数据驱动器和从开关选择的所选择的RGB参考电压，并且根据所选择的RGB参考电压将RGB图像电压提供给液晶显示面板 RGB参考电压和数据控制信号，以及栅极驱动器 从定时控制器接收门控制信号，并根据门控制信号将扫描信号电压提供给液晶显示面板。