公开(公告)号：US09653609B2

公开(公告)日：2017-05-16

申请号：US14718336

申请日：2015-05-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hee jun Yoo ,  Sang Ho Park ,  Joung-Keun Park ,  Ki Wan Ahn ,  Joo Sun Yoon ,  Seung Min Lee ,  Yong Jae Jang ,  Jae Hyuk Jang ,  Kwang Young Choi ,  Jung Hyun Kim

IPC: H01L29/786 ,  H01L29/417 ,  H01L27/07

CPC classification number: H01L29/78648 ,  H01L27/0705 ,  H01L29/41733 ,  H01L29/78672 ,  H01L29/78696

Abstract: A thin film transistor including a substrate; a first gate electrode on the substrate; a first insulating layer covering the substrate and the first gate electrode; a semiconductor on the first insulating layer and overlapping the first gate electrode; a second insulating layer covering the first insulating layer and the semiconductor; a second gate electrode on the second insulating layer and crossing the first gate electrode in plane; a third insulating layer covering the second gate electrode and the second insulating layer; a first source electrode and a first drain electrode on the third insulating layer and connected to the semiconductor; and a second source electrode and a second drain electrode on a same layer as the first source electrode and the first drain electrode and connected to the semiconductor.

公开(公告)号：US12170307B2

公开(公告)日：2024-12-17

申请号：US17452763

申请日：2021-10-28

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Min Lee ,  Kwang Young Choi ,  Sae Hee Ryu ,  Sol Ip Jeong ,  Sang Ho Park ,  Jin Yool Kim ,  Cheon Jae Maeng

IPC: H01L27/15 ,  G09G3/32 ,  H01L33/50 ,  H01L33/64

Abstract: A display device comprises a first substrate, a first power bottom line on the first substrate, a second substrate on the first power bottom line, the second substrate having a first power connection hole to expose the first power bottom line, and a pixel driving unit including a plurality of switching elements on the second substrate.