公开(公告)号：US20030122814A1

公开(公告)日：2003-07-03

申请号：US10325847

申请日：2002-12-23

Applicant: LG. PHILIPS LCD CO., LTD

Inventor： Jung-Taeck Yer

IPC: G09G005/00

CPC classification number: G09G3/3696 ,  G09G3/3655 ,  G09G2320/0276 ,  G09G2330/02

Abstract: A power supply for a liquid crystal display panel, comprising a booster generating unit for generating a power voltage by boosting a system voltage comprising at least one operational amplifier for generating a common voltage and a gamma reference voltage, the booster further comprising at least one capacitor, at least one inductor, and at least one resistance arranged outside an integrated circuit, a common voltage generating unit having at least one operational amplifier, at least one resistance and at least one capacitor, wherein the at least one operational amplifier is located within the integrated circuit, and a gamma voltage generating unit having at least one operational amplifier and a resistance network wherein the resistance network is located outside the integrated circuit.

Abstract translation: 一种用于液晶显示面板的电源，包括升压产生单元，用于通过升高系统电压来产生电压，所述系统电压包括用于产生公共电压和伽马参考电压的至少一个运算放大器，所述升压器还包括至少一个电容器 ，至少一个电感器，以及布置在集成电路外部的至少一个电阻，具有至少一个运算放大器，至少一个电阻和至少一个电容器的公共电压产生单元，其中所述至少一个运算放大器位于 集成电路和具有至少一个运算放大器和电阻网络的伽马电压产生单元，其中电阻网络位于集成电路外部。