公开(公告)号：US20130321644A1

公开(公告)日：2013-12-05

申请号：US13668191

申请日：2012-11-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Bo-Yong Chung ,  Jung-Mi Choi ,  Yong-Jae Kim ,  Young-In Hwang ,  Seong-IL Park

IPC: H04N17/00

CPC classification number: G09G3/006 ,  G09G3/20 ,  G09G2300/08 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2330/02 ,  G09G2330/04

Abstract: A display device according to the present invention includes: a display unit including a plurality of pixels coupled to a plurality of scan lines; a plurality of scan driving blocks coupled to the plurality of scan lines and adapted to apply a plurality of scan signals; an electrostatic discharge (ESD) unit adapted to protect the plurality of scan driving blocks from static charges; an AC power source unit for supplying a first power source voltage of which a level is changed between a logic high level and a logic low level, to the plurality of scan driving blocks through a first power source voltage wire during a pixel test of the plurality of pixels; and a DC power source unit for supplying a second power source voltage of the logic high level to the ESD unit through a second power source voltage wire.

Abstract translation: 根据本发明的显示装置包括：显示单元，包括耦合到多条扫描线的多个像素; 耦合到所述多条扫描线并适于施加多个扫描信号的多个扫描驱动块; 适于保护所述多个扫描驱动块免受静电荷的静电放电（ESD）单元; AC电源单元，用于在多个像素测试期间通过第一电源电压线将多个扫描驱动块提供其电平在逻辑高电平和逻辑低电平之间变化的第一电源电压 的像素; 以及直流电源单元，用于通过第二电源电压线将ESD逻辑单元的第二电源电压提供给ESD单元。