公开(公告)号：US09299761B2

公开(公告)日：2016-03-29

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 ,  H01L29/786

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：US09601556B2

公开(公告)日：2017-03-21

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 ,  H01L29/786

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.