发明名称 Display device, inspecting and driving method thereof
摘要 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.
申请公布号 US9299279(B2) 申请公布日期 2016.03.29
申请号 US201213668191 申请日期 2012.11.02
申请人 Samsung Display Co., Ltd. 发明人 Chung Bo-Yong;Choi Jung-Mi;Kim Yong-Jae;Hwang Young-In;Park Seong-Il
分类号 G09G3/00;G09G3/20 主分类号 G09G3/00
代理机构 Lewis Roca Rothgerber Christie LLP 代理人 Lewis Roca Rothgerber Christie LLP
主权项 1. A display device comprising: a display unit comprising 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, wherein the first power source voltage wire is configured to be coupled to the DC power source unit and the first power source voltage wire is configured to be disconnected from the AC power source unit during normal operation, and wherein, during the pixel test, the first power source voltage wire is configured to be coupled to the AC power source unit, and after completion of the pixel test, the first power source voltage wire is configured to be coupled to the DC power source unit.
地址 Yongin-si KR