公开(公告)号：US20210249499A1

公开(公告)日：2021-08-12

申请号：US17074323

申请日：2020-10-19

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Jin JEON ,  So Young KOO ,  Eok Su KIM ,  Hyung Jun KIM ,  Jun Hyung LIM

IPC: H01L27/32

Abstract: A display device and a method of driving a display device are provided. A display device includes a substrate, a first conductive layer on the substrate and including a lower light blocking pattern, a buffer layer on the first conductive layer, a semiconductor layer including a semiconductor pattern on the buffer layer, a gate insulating layer on the semiconductor pattern, a second conductive layer including a gate electrode on the gate insulating layer, a planarization layer on the second conductive layer, and a third conductive layer on the planarization layer and including a first conductive pattern electrically coupling the lower light blocking pattern to the semiconductor pattern, wherein the first conductive pattern is coupled to the lower light blocking pattern through a first contact hole passing through the planarization layer and the buffer layer, and coupled to the semiconductor pattern through a second contact hole passing through the planarization layer.

公开(公告)号：US20210036029A1

公开(公告)日：2021-02-04

申请号：US16876984

申请日：2020-05-18

Applicant: Samsung Display Co., LTD.

Inventor： Joon Seok PARK ,  Myoung Hwa KIM ,  Tae Sang KIM ,  Hyung Jun KIM ,  Yeon Keon MOON ,  Geun Chul PARK ,  Sang Woo SOHN ,  Jun Hyung LIM ,  Kyung Jin JEON ,  Hye Lim CHOI

IPC: H01L27/12 ,  H01L27/32 ,  G02F1/1362

Abstract: A display device includes a substrate, a buffer layer disposed on the substrate, a first semiconductor layer disposed on the buffer layer and including an oxide semiconductor and a first active layer, a first gate insulating layer disposed on the first semiconductor layer and the buffer layer, a second semiconductor layer disposed on the first gate insulating layer and including an oxide semiconductor, a second active layer, and a first oxide layer on the first active layer, a second gate insulating layer disposed on the second semiconductor layer, a first conductive layer disposed on the second gate insulating layer, an insulating layer disposed on the first conductive layer, a second conductive layer disposed on the insulating layer, a passivation layer disposed on the second conductive layer, and a third conductive layer disposed on the first passivation layer.

公开(公告)号：US20210020717A1

公开(公告)日：2021-01-21

申请号：US16843764

申请日：2020-04-08

Applicant: Samsung Display Co., Ltd.

Inventor： Hyung Jun KIM ,  Myoung Hwa KIM ,  Tae Sang KIM ,  Yeon Keon MOON ,  Joon Seok PARK ,  Sang Woo SOHN ,  Sang Won SHIN ,  Jun Hyung LIM ,  Hye Lim CHOI

IPC: H01L27/32 ,  H01L29/786 ,  H01L29/24 ,  H01L29/66 ,  H01L21/02 ,  H01L21/4763 ,  H01L21/465 ,  H01L21/4757

Abstract: A display device and a method for fabricating the same are provided. The display device comprises pixels connected to scan lines, and to data lines crossing the scan lines, each of the pixels including a light emitting element, and a first transistor configured to control a driving current supplied to the light emitting element according to a data voltage applied from the data line, the first transistor including a first active layer having an oxide semiconductor, and a first oxide layer on the first active layer and having a crystalline oxide containing tin (Sn).