公开(公告)号：US20240260315A1

公开(公告)日：2024-08-01

申请号：US18373094

申请日：2023-09-26

Applicant: Samsung Display Co., Ltd.

Inventor： Yeonhong Kim ,  Jongbeom Ko ,  Eunhyun Kim ,  Yeonkeon Moon ,  Sunhee Lee ,  Junghoon Lee

IPC: H10K59/121 ,  H10K59/12

CPC classification number: H10K59/1213 ,  H10K59/1201

Abstract: A display apparatus includes a substrate including a display area and a peripheral area outside the display area, a pixel circuit disposed in the display area and including a driving thin-film transistor and a switching thin-film transistor, wherein the driving thin-film transistor includes a driving semiconductor layer, and the switching thin-film transistor includes a switching semiconductor layer, a display element connected to the pixel circuit, and a built-in driving circuit portion disposed in the peripheral area and including a first peripheral thin-film transistor including a first peripheral semiconductor layer, wherein the driving semiconductor layer and the switching semiconductor layer include a same material and each have a mobility less than a mobility of the first peripheral semiconductor layer.

公开(公告)号：US11818923B2

公开(公告)日：2023-11-14

申请号：US17353640

申请日：2021-06-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jaybum Kim ,  Myeongho Kim ,  Yeonhong Kim ,  Kyoungseok Son ,  Seungjun Lee ,  Seunghun Lee ,  Junhyung Lim

IPC: H01L27/32 ,  H01L51/56 ,  H10K59/124 ,  H10K71/00 ,  H01L27/12 ,  H10K59/121 ,  H01L25/18 ,  H01L25/16 ,  H10K59/12 ,  H10K59/65

CPC classification number: H10K59/124 ,  H01L27/1225 ,  H01L27/1251 ,  H01L27/1255 ,  H10K59/1213 ,  H10K59/1216 ,  H10K71/00 ,  H01L25/167 ,  H01L25/18 ,  H10K59/1201 ,  H10K59/121 ,  H10K59/65

Abstract: A display device is disclosed that includes: a substrate comprising a display area and a component area including a transmission area; a first thin-film transistor comprising a first semiconductor layer and a first gate electrode, the first semiconductor layer including a silicon semiconductor; a first insulating layer covering the first gate electrode; a second thin-film transistor comprising a second semiconductor layer arranged on the first insulating layer and a second gate electrode, the second semiconductor layer including an oxide semiconductor; a second insulating layer covering the second gate electrode and having a transmission hole overlapping the transmission area; an intermediate insulating layer between the first insulating layer and the second insulating layer; a conductive pattern between the intermediate insulating layer and the first insulating layer; and a display element arranged on the second insulating layer, wherein the transmission hole exposes an upper surface of the intermediate insulating layer.

公开(公告)号：US20220199720A1

公开(公告)日：2022-06-23

申请号：US17353640

申请日：2021-06-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jaybum Kim ,  Myeongho Kim ,  Yeonhong Kim ,  Kyoungseok Son ,  Seungjun Lee ,  Seunghun Lee ,  Junhyung Lim

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device is disclosed that includes: a substrate comprising a display area and a component area including a transmission area; a first thin-film transistor comprising a first semiconductor layer and a first gate electrode, the first semiconductor layer including a silicon semiconductor; a first insulating layer covering the first gate electrode; a second thin-film transistor comprising a second semiconductor layer arranged on the first insulating layer and a second gate electrode, the second semiconductor layer including an oxide semiconductor; a second insulating layer covering the second gate electrode and having a transmission hole overlapping the transmission area; an intermediate insulating layer between the first insulating layer and the second insulating layer; a conductive pattern between the intermediate insulating layer and the first insulating layer; and a display element arranged on the second insulating layer, wherein the transmission hole exposes an upper surface of the intermediate insulating layer.

公开(公告)号：US20220140042A1

公开(公告)日：2022-05-05

申请号：US17332698

申请日：2021-05-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eunhyun Kim ,  Eunhye Ko ,  Yeonhong Kim ,  Kyoungwon Lee ,  Sunhee Lee ,  Junhyung Lim

IPC: H01L27/32

Abstract: A display apparatus in which an area of a peripheral area may be reduced while having a simple structure, the display apparatus includes a substrate, a bottom metal layer on the substrate and including a first extension line extending from the peripheral area outside a display area into the display area, a semiconductor layer on the bottom metal layer, a gate layer on the semiconductor layer, a first metal layer on the gate layer, and a second metal layer on the first metal layer and including a first data line extending from the peripheral area into the display area and electrically coupled to the first extension line in the peripheral area.