公开(公告)号：US20220069021A1

公开(公告)日：2022-03-03

申请号：US17401368

申请日：2021-08-13

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display apparatus includes a substrate including a transmission area having a first through hole, a display area surrounding the transmission area, and a middle area disposed between the transmission area and the display area, a pixel circuit disposed on the display area, the pixel circuit including a first thin film transistor including a first semiconductor layer having polycrystalline silicon, and a second thin film transistor including a second semiconductor layer including an oxide semiconductor, a display element including a pixel electrode electrically connected to the pixel circuit, an opposite electrode disposed on the pixel electrode, and an intermediate layer disposed between the pixel electrode and the opposite electrode and including an emission layer, and a groove disposed in the middle area while surrounding the first through hole.

公开(公告)号：US20240040861A1

公开(公告)日：2024-02-01

申请号：US18378656

申请日：2023-10-11

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K59/124 ,  H10K71/00 ,  H01L27/12 ,  H10K59/121

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

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：US20240224619A1

公开(公告)日：2024-07-04

申请号：US18506623

申请日：2023-11-10

Applicant: Samsung Display Co., LTD.

Inventor： Myeongho Kim ,  Youngoo Kim ,  Jaybum Kim ,  Kyoungseok Son ,  Seunghun Lee

IPC: H10K59/123 ,  H10K59/12 ,  H10K59/131

CPC classification number: H10K59/123 ,  H10K59/1201 ,  H10K59/131 ,  H10K2102/311

Abstract: A display apparatus includes a substrate having a display area in which display elements are arranged, a first thin-film transistor in the display area and including a first semiconductor layer and a first gate electrode, the first semiconductor layer including an oxide semiconductor and the first gate electrode being insulated from the first semiconductor layer, and a first interlayer insulating layer between the first semiconductor layer and the first gate electrode, wherein the first interlayer insulating layer on the first semiconductor layer has a first length in a first direction, wherein the first gate electrode on the first interlayer insulating layer has a second length in the first direction, and wherein the first length is greater than the second length.