公开(公告)号：US20240237427A9

公开(公告)日：2024-07-11

申请号：US18215832

申请日：2023-06-29

Applicant: Samsung Display Co., Ltd.

Inventor： Jeongju Park ,  Donghan Kang ,  Sunggwon Moon ,  Seungsok Son ,  Shinhyuk Yang ,  Kapsoo Yoon ,  Keumhee Lee ,  Woogeun Lee

IPC: H10K59/124

CPC classification number: H10K59/124

Abstract: A display apparatus is disclosed that includes a thin-film transistor including a semiconductor layer, an organic light-emitting element, and a passivation layer including a first contact hole connecting the thin-film transistor and the organic light-emitting element, wherein the passivation layer includes a first passivation layer, a second passivation layer, and a third passivation layer, which are sequentially stacked, and the first passivation layer includes SiON.

公开(公告)号：US20230217713A1

公开(公告)日：2023-07-06

申请号：US17981263

申请日：2022-11-04

Applicant: Samsung Display Co., Ltd.

Inventor： Jeehoon Kim ,  Donghan Kang ,  Shinhyuk Yang

IPC: H01L27/32

CPC classification number: H01L27/3265 ,  H01L27/3262 ,  H01L27/3276 ,  H01L27/1225

Abstract: A display apparatus includes: a transistor; a storage capacitor connected to the transistor; and a light-emitting diode electrically connected to the transistor and the storage capacitor, wherein the transistor includes: a gate electrode on a substrate and having a first sub-layer and a second sub-layer on the first sub-layer; and a semiconductor layer having a channel area, a first low-resistance area, and a second low-resistance area, wherein the channel area overlaps the gate electrode, and the first and second low-resistance areas are on both sides of the channel area, a width of the first sub-layer is greater than a width of the second sub-layer, the channel area is arranged along a side surface of the second sub-layer, the storage capacitor includes a first capacitor electrode and a second capacitor electrode, and the first capacitor electrode is on a same layer and includes a same material as the gate electrode.

公开(公告)号：US20230209926A1

公开(公告)日：2023-06-29

申请号：US17951977

申请日：2022-09-23

Applicant: Samsung Display Co., Ltd.

Inventor： Shinhyuk Yang ,  Donghan Kang ,  Yujin Kim ,  Jeehoon Kim ,  Junki Lee

IPC: H01L27/32 ,  H01L23/00 ,  H01L51/56

CPC classification number: H01L27/3276 ,  H01L24/05 ,  H01L51/56 ,  H01L2227/323 ,  H01L2224/0345 ,  H01L2224/03614 ,  H01L2224/0381 ,  H01L2224/05573 ,  H01L2224/05016 ,  H01L2224/05027 ,  H01L2224/05083 ,  H01L2224/05187 ,  H01L2224/05188 ,  H01L2224/05166 ,  H01L2224/0518 ,  H01L2224/05184 ,  H01L2224/05147 ,  H01L2224/05557 ,  H01L2224/05686 ,  H01L2924/0549 ,  H01L2224/05571 ,  H01L2224/05562 ,  H01L2924/0542 ,  H01L2924/0543

Abstract: A display apparatus is disclosed that includes a substrate, a display element, a transistor, and a pad. The substrate includes a display area and a peripheral area. The display element is disposed on the display area. The transistor is electrically connected to the display element. The pad is disposed on the peripheral area and having a multilayered structure. The pad includes a pad metal layer, a first pad protective layer disposed on the pad metal layer, and a second pad protective layer interposed between the pad metal layer and the first pad protective layer. The second pad protective layer includes a different material from the first pad protective layer. The transistor includes a semiconductor layer disposed on the substrate, a gate electrode disposed on a gate insulating layer that covers the semiconductor layer, and a connection electrode arranged on an interlayer insulating layer covering the gate electrode. The connection electrode has the same multilayered structure as the multilayered structure of the pad, and the connection electrode is connected to the semiconductor layer.

公开(公告)号：US11302771B2

公开(公告)日：2022-04-12

申请号：US16886876

申请日：2020-05-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sunghwan Won ,  Jongmoo Huh ,  Kyumin Kim ,  Doohyun Kim ,  Songhee Kim ,  Jeehoon Kim ,  Shinhyuk Yang

IPC: H01L29/08 ,  H01L27/32

Abstract: A display device includes a substrate including a display area and a peripheral area outside the display area, a thin-film transistor arranged in the display area, a display element arranged in the display area, an interlayer insulating layer covering the thin-film transistor, a conductive layer arranged above the interlayer insulating layer, a first insulating layer covering the conductive layer, a pad arranged in the peripheral area, and a second conductive layer covering a central portion of the pad. The pad is connected to a connection line through a contact hole, and the connection line is arranged on a same first layer as a gate electrode of the thin-film transistor. A side surface of the pad is covered by the first insulating layer or the second conductive layer.

公开(公告)号：US20230295501A1

公开(公告)日：2023-09-21

申请号：US18169798

申请日：2023-02-15

Applicant: Samsung Display Co., Ltd. ,  DONGWOO FINE-CHEM Co., Ltd.

Inventor： Shinhyuk Yang ,  Beomsoo Kim ,  Hyeonsu Cho ,  Yujin Kim ,  Jeehoon Kim ,  Youngjin Yoon ,  Eunwon Lee ,  Donghan Kang

IPC: C09K13/06

CPC classification number: C09K13/06

Abstract: An etchant including: persulfate; a fluorine-containing compound; a chlorine-containing compound; a cyclic amine compound; an inorganic acid; sulfate; and water, wherein a tip control index (Y) of the etchant is a value of at least about 45.0 and not more than about 70.0, the tip control index (Y) being a value calculated by Equation 1:


Y=1.0×10−3×M(X1)+1.0×10−1×M(X2)+5.0×10−2×M(X3)+1.5×M(X1)×M(X2)+2.0×10−1×M(X1)×M(X3)+2.0×10−1×M(X2)×M(X3)  Equation 1

The description of Equation 1 is as in the specification.

公开(公告)号：US20230240095A1

公开(公告)日：2023-07-27

申请号：US18153968

申请日：2023-01-12

Applicant: Samsung Display Co., Ltd.

Inventor： Shinhyuk Yang ,  Jeehoon Kim ,  Donghan Kang ,  Junki Lee

IPC: H10K59/12 ,  H10K59/131

CPC classification number: H10K59/1201 ,  H10K59/131

Abstract: A display apparatus includes: a substrate including a display area, and a peripheral area outside the display area; a display element at the display area; and a pad at the peripheral area, the pad including: a first metal layer; a second metal layer on the first metal layer; a first metal oxide layer on the second metal layer, and in surface-contact with the second metal layer; and an oxide conductive layer on the first metal oxide layer, and in surface-contact with the first metal oxide layer.

公开(公告)号：US20220181427A1

公开(公告)日：2022-06-09

申请号：US17447046

申请日：2021-09-07

Applicant: Samsung Display Co., Ltd.

Inventor： Shinhyuk Yang ,  Donghan Kang ,  Soonwook Hong ,  Yujin Kim ,  Jeehoon Kim ,  Hanhee Yoon

IPC: H01L27/32

Abstract: A display apparatus includes: a substrate including a display area, and a peripheral area; and a pad unit at the peripheral area, the pad unit including: a first conductive layer; a second conductive layer on the first conductive layer, and having a first opening; a third conductive layer on the second conductive layer, and having a second opening overlapping with the first opening, the second opening having an area less than an area of the first opening at a top surface of the second conductive layer; an organic protective layer filling the first opening, and having a third opening overlapping with the second opening; and an additional metal layer covering a top surface of the first conductive layer exposed through the first opening, an inner surface of the second opening, an inner surface of the third opening, and a portion of a top surface of the third conductive layer.

公开(公告)号：US10396140B2

公开(公告)日：2019-08-27

申请号：US15427111

申请日：2017-02-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jeehoon Kim ,  Shinhyuk Yang ,  Doohyun Kim ,  Kwangsoo Lee ,  Inyoung Jung

IPC: H01L27/32 ,  H01L29/786 ,  H01L51/52 ,  H01L29/417 ,  H01L29/423 ,  H01L29/66

Abstract: A thin film transistor includes a substrate and a gate electrode disposed over the substrate. The gate electrode includes a center part and a peripheral part configured to at least partially surround the center part. The thin film transistor further includes a gate insulating layer disposed below the gate electrode and a first electrode insulated from the gate electrode by the gate insulating layer. The first electrode has at least a portion thereof overlapping the center part. The thin film transistor additionally includes a spacer disposed below the first electrode and a second electrode insulated from the first electrode by the spacer. The second electrode has at least a portion thereof overlapping the peripheral part. The thin film transistor further includes a semiconductor layer connected to the first and second electrodes, and insulated from the gate electrode by the gate insulating layer.

公开(公告)号：US11978841B2

公开(公告)日：2024-05-07

申请号：US17449414

申请日：2021-09-29

Applicant: Samsung Display Co., Ltd.

Inventor： Jeehoon Kim ,  Shinhyuk Yang ,  Huiwon Yang ,  Jongmoo Huh

IPC: H01L33/62 ,  H01L23/525 ,  H01L25/16 ,  H01L27/15 ,  H01L33/38 ,  H10K59/131 ,  H10K59/88 ,  H10K71/00

CPC classification number: H01L33/62 ,  H01L27/156 ,  H01L33/38

Abstract: A display apparatus includes a display area including pixels on a substrate, a pad portion on the substrate in a non-display area outside the display area, and including a conductive line, a first dummy line around the conductive line, and a first anti-fuse and a second anti-fuse adjacent to the conductive line and spaced apart from each other in a lengthwise direction of the conductive line, the first anti-fuse and the second anti-fuse each including a first electrode electrically connected to a portion of the conductive line, and a second electrode over the first electrode with a first insulating layer therebetween, and electrically connected to a portion of the first dummy line, and a circuit portion overlapping, and electrically connected to, the pad portion.

公开(公告)号：US20240138207A1

公开(公告)日：2024-04-25

申请号：US18215832

申请日：2023-06-28

Applicant: Samsung Display Co., Ltd.

Inventor： Jeongju Park ,  Donghan Kang ,  Sunggwon Moon ,  Seungsok Son ,  Shinhyuk Yang ,  Kapsoo Yoon ,  Keumhee Lee ,  Woogeun Lee

IPC: H10K59/124

CPC classification number: H10K59/124

Abstract: A display apparatus is disclosed that includes a thin-film transistor including a semiconductor layer, an organic light-emitting element, and a passivation layer including a first contact hole connecting the thin-film transistor and the organic light-emitting element, wherein the passivation layer includes a first passivation layer, a second passivation layer, and a third passivation layer, which are sequentially stacked, and the first passivation layer includes SiON.