公开(公告)号：US09934723B2

公开(公告)日：2018-04-03

申请号：US14739799

申请日：2015-06-15

Applicant: LG DISPLAY CO., LTD.

Inventor： Jung-Min Lee ,  Juhn Suk Yoo ,  Ji No Lee ,  Jae Soo Park ,  Chang Heon Kang ,  Ho Young Ko ,  Soo Hong Kim ,  Sung Ki Hong

IPC: G06F3/038 ,  G09G3/3233 ,  H01L27/32

CPC classification number: G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2380/02 ,  H01L27/3262 ,  H01L27/3272 ,  H01L27/3279 ,  H01L2227/323 ,  H01L2227/326

Abstract: An electronic display panel comprising a plastic substrate; a bottom shield metal (BSM) on the plastic substrate; a thin-film transistor (TFT) on the BSM, the TFT and the BSM at least partially overlapping each other; and an active buffer layer between the TFT and the BSM, wherein the BSM is connected to one of a gate electrode, a source electrode, and a drain electrode of the TFT. A bottom shield metal (BSM) on the plastic substrate, the BSM located to minimize formation of a back channel in a pixel circuit by trapped charges of the plastic substrate, the pixel circuit in a pixel area defined by a gate line and a data line on the plastic substrate, the pixel circuit on the active buffer layer including a plurality of TFTs and a plurality of component interconnecting nodes.

公开(公告)号：US09691330B2

公开(公告)日：2017-06-27

申请号：US14586587

申请日：2014-12-30

Applicant: LG Display Co., Ltd.

Inventor： Jung Min Lee ,  Chang Heon Kang

IPC: G09G3/3291 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3233

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G2300/0465 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/045

Abstract: Provided is an OLED display device including a plurality of pixel each of which includes a light emitting element and a cell driver configured to drive the light emitting element. The cell driver includes: a driving switch element serially connected with the light emitting element between a high voltage supply line and a low voltage supply line; a first switch element configured to, in response to a second scan signal, connect a data line with a first node to which a gate electrode of the driving switch element is connected; a second switch element configured to, in response to a first scan signal, apply a third scan signal to a second node to which a source electrode of the driving switch element is connected; and a third switch element configured to, in response to an emission signal, connect the high voltage supply line with a drain electrode of the driving switch element.