公开(公告)号：US20160181344A1

公开(公告)日：2016-06-23

申请号：US15057976

申请日：2016-03-01

Applicant: LG DISPLAY CO., LTD.

Inventor： Hyun Sik SEO ,  Jong Sik SHIM ,  Kyung Han SEO ,  Yong Ho CHOI ,  Hyo Jin PARK

IPC: H01L27/32

CPC classification number: H01L27/3272 ,  H01L27/3262 ,  H01L27/3276 ,  H01L29/78633 ,  H01L29/78648 ,  H01L29/7869

Abstract: An organic light emitting display device includes a driving thin film transistor (TFT), the driving thin film TFT includes a lower gate, a source, and a drain on a substrate and on the same layer; a first gate insulating layer covering the lower gate, the source, and the drain; an active layer on the first gate insulating layer; a conductive line contacting the source and the drain; a second gate insulating layer on the active layer; and an upper gate on the second gate insulating layer, wherein the lower gate of the driving TFT is a light shield that blocks light from being irradiated onto the active layer, and the lower gate and the source include the same metal.

Abstract translation: 有机发光显示装置包括驱动薄膜晶体管（TFT），驱动薄膜TFT在基板上和同一层上包括下栅极，源极和漏极; 覆盖下栅极，源极和漏极的第一栅极绝缘层; 在第一栅极绝缘层上的有源层; 接触源极和漏极的导线; 在有源层上的第二栅极绝缘层; 以及第二栅极绝缘层上的上栅极，其中驱动TFT的下栅极是阻挡光照射到有源层上的光屏蔽，下栅极和源极包括相同的金属。

公开(公告)号：US20150187860A1

公开(公告)日：2015-07-02

申请号：US14533516

申请日：2014-11-05

Applicant: LG Display Co., Ltd.

Inventor： Hyun Sik SEO ,  Jong Sik SHIM ,  Kyung Han SEO ,  Yong Ho CHOI ,  Hyo Jin PARK

IPC: H01L27/32 ,  H01L29/788 ,  H01L29/786

CPC classification number: H01L27/3272 ,  H01L27/3262 ,  H01L27/3276 ,  H01L29/78633 ,  H01L29/78648 ,  H01L29/7869

Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a switching thin film transistor (TFT) that includes a lower gate, a source, and a drain formed on a substrate and on the same layer, a first gate insulating layer formed to cover the lower gate, the source, and the drain, an active layer formed on the first gate insulating layer, a conductive line formed to contact the source and the drain, a second gate insulating layer formed on the active layer, and an upper gate formed on the second gate insulating layer. The lower gate of the switching TFT is a light shield that blocks light from being irradiated onto the active layer.

Abstract translation: 公开了一种有机发光显示装置。 有机发光显示装置包括开关薄膜晶体管（TFT），其包括形成在基板上并在同一层上的下栅极，源极和漏极，形成为覆盖下栅极的第一栅极绝缘层， 源极和漏极，形成在第一栅极绝缘层上的有源层，形成为接触源极和漏极的导线，形成在有源层上的第二栅极绝缘层，以及形成在第二栅极绝缘层上的上部栅极 层。 开关TFT的下栅极是阻挡光照射到有源层上的遮光板。

公开(公告)号：US20160042690A1

公开(公告)日：2016-02-11

申请号：US14806386

申请日：2015-07-22

Applicant: LG DISPLAY CO., LTD.

Inventor： Min Kyu CHANG ,  Shinji TAKASUGI ,  Hyo Jin PARK ,  Jong Ho LEE

IPC: G09G3/32

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G3/3291 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2310/0251 ,  G09G2320/043

Abstract: An organic light emitting display device includes a display panel including a plurality of pixels, wherein each pixel includes a driving transistor outputting a data current based on a data voltage to emit light from an organic light emitting diode; and a panel driver which drives the display panel in a sensing mode and a display mode, wherein the panel driver calculates a threshold voltage prediction value of the driving transistor for each pixel by sensing a mobility and a threshold voltage of the driving transistor for each pixel through a reference line connected with a sensing node between the driving transistor and the organic light emitting diode of each pixel for the sensing mode, and the panel driver drives each pixel based on the threshold voltage prediction value of the driving transistor of each pixel for the display mode.

Abstract translation: 有机发光显示装置包括具有多个像素的显示面板，其中每个像素包括驱动晶体管，其基于数据电压输出数据电流以从有机发光二极管发光; 以及在感测模式和显示模式下驱动显示面板的面板驱动器，其中面板驱动器通过感测每个像素的驱动晶体管的迁移率和阈值电压来计算每个像素的驱动晶体管的阈值电压预测值 通过与用于感测模式的每个像素的驱动晶体管和有机发光二极管之间的感测节点连接的参考线，并且面板驱动器基于每个像素的驱动晶体管的阈值电压预测值驱动每个像素， 显示模式。