公开(公告)号：US20240304727A1

公开(公告)日：2024-09-12

申请号：US18525551

申请日：2023-11-30

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L29/786 ,  H01L29/423 ,  H01L29/66 ,  H10K59/12 ,  H10K59/121

CPC classification number: H01L29/7869 ,  H01L29/42384 ,  H01L29/66742 ,  H10K59/1201 ,  H10K59/1213

Abstract: A method of fabricating a display apparatus includes providing a substrate having a first thin film transistor region and a second thin film transistor region; forming a first oxide semiconductor layer on the substrate; forming a first gate insulating layer covering the first oxide semiconductor layer; forming a second oxide semiconductor layer on the substrate; forming a second gate insulating layer on the substrate; forming a first gate electrode in the first thin film transistor region and forming a second gate electrode in the second thin film transistor region, over the second gate insulating layer; and forming a first gate electrode stack and a second gate electrode stack by etching the first gate insulating layer and etching the second gate insulating layer by using the first gate electrode and the second gate electrode as etching masks.

公开(公告)号：US20170317159A1

公开(公告)日：2017-11-02

申请号：US15583244

申请日：2017-05-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： WALJUN KIM ,  Yeonhong Kim ,  Junghyun Kim ,  Taejin Kim ,  Kiwan Ahn ,  Yongjae Jang

IPC: H01L27/32 ,  H01L27/12

CPC classification number: H01L27/3276 ,  H01L27/1222 ,  H01L27/1237 ,  H01L27/124 ,  H01L27/1248 ,  H01L27/1255 ,  H01L27/3246 ,  H01L27/3262 ,  H01L27/3265 ,  H01L29/78648 ,  H01L29/78696

Abstract: A semiconductor device including a semiconductor layer, a first electrode, and a second electrode. The semiconductor layer includes a first source region, a first drain region, a second source region, and a second drain region connected to a channel region. The first gate electrode is disposed below the semiconductor layer. The first gate electrode is insulated from the semiconductor layer. The first gate electrode at least partially overlaps the shared channel region. The second gate electrode is disposed above the semiconductor layer. The second gate electrode is insulated by a second gate insulating layer. The second gate electrode at least partially overlaps the channel region.

公开(公告)号：US20170117476A1

公开(公告)日：2017-04-27

申请号：US15093319

申请日：2016-04-07

Applicant: Samsung Display Co., Ltd.

Inventor： Waljun KIM ,  Yeonhong Kim ,  Junghyun Kim ,  Jongyun Kim ,  Sungeun Lee ,  Kwangyoung Choi

IPC: H01L51/00 ,  H01L51/56 ,  H01L27/32 ,  H01L51/50 ,  H01L51/52

CPC classification number: H01L51/0018 ,  H01L27/3211 ,  H01L27/3244 ,  H01L27/3246 ,  H01L51/5012 ,  H01L51/5221 ,  H01L51/5225 ,  H01L51/5228 ,  H01L51/5253 ,  H01L51/56 ,  H01L2227/323

Abstract: A method of manufacturing an organic light-emitting display apparatus using a light-blocking photoresist layer which minimizes damage to an intermediate layer, including an emission layer, during a process for manufacturing the organic light-emitting display apparatus.

公开(公告)号：US12302708B2

公开(公告)日：2025-05-13

申请号：US18443199

申请日：2024-02-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Woo Lee ,  Jintaek Kim ,  Yeonhong Kim ,  Pilsuk Lee

IPC: H10K59/12 ,  H10K59/121 ,  H10K59/124 ,  H10K77/10

Abstract: A display device includes: a substrate; a buffer layer on the substrate; a first active pattern and a second active pattern on the buffer layer and spaced apart from each other; a first gate insulation layer on the first active pattern and the second active pattern; a first gate electrode and a second gate electrode on the first gate insulation layer, the first gate electrode and the second gate electrode respectively overlapping the first active pattern and the second active pattern; a second gate insulation layer on the first gate electrode and the second gate electrode; and a capacitor electrode on the second gate insulation layer, the capacitor electrode overlapping the first gate electrode, wherein a permittivity of the first gate insulation layer is greater than a permittivity of the buffer layer.

公开(公告)号：US12262598B2

公开(公告)日：2025-03-25

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 ,  H01L27/12 ,  H10K59/121 ,  H10K71/00 ,  H01L25/16 ,  H01L25/18 ,  H10K59/12 ,  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：US20240237398A9

公开(公告)日：2024-07-11

申请号：US18544515

申请日：2023-12-19

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K59/121 ,  H10K50/844 ,  H10K59/65 ,  H10K71/00

CPC classification number: H10K59/121 ,  H10K50/844 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/65 ,  H10K71/00 ,  H01L27/1255

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：US11980060B2

公开(公告)日：2024-05-07

申请号：US17494892

申请日：2021-10-06

Applicant: Samsung Display Co., Ltd.

Inventor： Myeongho Kim ,  Yeonhong Kim ,  Jaybum Kim ,  Kyoung Seok Son ,  Sunhee Lee ,  Seungjun Lee ,  Seunghun Lee ,  Jun Hyung Lim

IPC: H01L29/08 ,  H10K59/121 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/1216 ,  H10K59/1213 ,  H10K71/00 ,  H10K59/1201

Abstract: A display device includes a first lower electrode disposed on a base substrate, a first upper electrode disposed on the first lower electrode, overlapping the first lower electrode in a plan view, including a silicon semiconductor, and constituting a first capacitor together with the first lower electrode, a second lower electrode disposed on the first upper electrode, and a second upper electrode disposed on the second lower electrode, overlapping the second lower electrode in a plan view, including an oxide semiconductor, and constituting a second capacitor together with the second lower electrode.

公开(公告)号：US09893285B2

公开(公告)日：2018-02-13

申请号：US15093319

申请日：2016-04-07

Applicant: Samsung Display Co., Ltd.

Inventor： Waljun Kim ,  Yeonhong Kim ,  Junghyun Kim ,  Jongyun Kim ,  Sungeun Lee ,  Kwangyoung Choi

IPC: H01L51/00 ,  H01L51/50 ,  H01L51/52 ,  H01L27/32 ,  H01L51/56

CPC classification number: H01L51/0018 ,  H01L27/3211 ,  H01L27/3244 ,  H01L27/3246 ,  H01L51/5012 ,  H01L51/5221 ,  H01L51/5225 ,  H01L51/5228 ,  H01L51/5253 ,  H01L51/56 ,  H01L2227/323

Abstract: A method of manufacturing an organic light-emitting display apparatus using a light-blocking photoresist layer which minimizes damage to an intermediate layer, including an emission layer, during a process for manufacturing the organic light-emitting display apparatus.

公开(公告)号：US20240138184A1

公开(公告)日：2024-04-25

申请号：US18544515

申请日：2023-12-19

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K59/121 ,  H10K50/844 ,  H10K59/65 ,  H10K71/00

CPC classification number: H10K59/121 ,  H10K50/844 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/65 ,  H10K71/00 ,  H01L27/1255

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：US11910650B2

公开(公告)日：2024-02-20

申请号：US17510040

申请日：2021-10-25

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Woo Lee ,  Jintaek Kim ,  Yeonhong Kim ,  Pilsuk Lee

IPC: H10K59/12 ,  H10K59/121 ,  H10K59/124 ,  H10K77/10

CPC classification number: H10K59/1216 ,  H10K59/124 ,  H10K77/111

Abstract: A display device includes: a substrate; a buffer layer on the substrate; a first active pattern and a second active pattern on the buffer layer and spaced apart from each other; a first gate insulation layer on the first active pattern and the second active pattern; a first gate electrode and a second gate electrode on the first gate insulation layer, the first gate electrode and the second gate electrode respectively overlapping the first active pattern and the second active pattern; a second gate insulation layer on the first gate electrode and the second gate electrode; and a capacitor electrode on the second gate insulation layer, the capacitor electrode overlapping the first gate electrode, wherein a permittivity of the first gate insulation layer is greater than a permittivity of the buffer layer.