公开(公告)号：US20030071584A1

公开(公告)日：2003-04-17

申请号：US10139371

申请日：2002-05-07

Applicant: LG.Philips LCD Co., Ltd.

Inventor： Seok Woo Lee ,  Seung Man Gu

IPC: H05B041/16

CPC classification number: H05B41/2821 ,  H05B41/3927

Abstract: A driving apparatus of a discharge tube lamp includes a voltage source; a plurality of AC conversion circuits for boosting a voltage supplied from the voltage source and generating a plurality of boosted AC signals; a plurality of discharge tubes for receiving the boosted AC signals and emitting a plurality of lights; a plurality of detection circuits arranged between each of the plurality of AC conversion circuits and a ground voltage source for detecting a voltage supplied to each of the plurality of discharge tubes; and a controller arranged between the voltage source and each of the plurality of the AC conversion circuits for controlling the voltage supplied to the plurality of AC conversion circuits in accordance with a plurality of detection signals supplied from the plurality of detection circuits.

Abstract translation: 放电管灯的驱动装置包括电压源; 多个AC转换电路，用于升压从电压源提供的电压并产生多个升压的AC信号; 多个放电管，用于接收升压的AC信号并发射多个光; 布置在所述多个AC转换电路中的每一个之间的多个检测电路和用于检测提供给所述多个放电管中的每一个的电压的接地电压源; 以及控制器，其布置在所述电压源和所述多个所述AC转换电路中的每一个之间，用于根据从所述多个检测电路提供的多个检测信号来控制提供给所述多个AC转换电路的电压。