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：US12185618B2

公开(公告)日：2024-12-31

申请号：US17485729

申请日：2021-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： Kyumin Kim ,  Jeehoon Kim ,  Hui-Won Yang ,  Yu-Jin Kim

IPC: H01L51/56 ,  H10K59/131 ,  H10K59/88 ,  H10K71/00 ,  H10K71/70

Abstract: A display device includes: an array of pixels disposed on a display area; a connection pad disposed on a pad area; a transmission line electrically coupled with the connection pad; and a conductive dummy pattern disposed under the transmission line. A part of the conductive dummy pattern overlaps the transmission line in a plan view. The transmission line transmits a driving signal or a power signal to the array of pixels. The connection pad includes a pad conductive layer electrically coupled with the transmission line, and a passivation layer disposed on the pad conductive layer. The passivation layer covers at least a side surface of the pad conductive layer and defines an opening overlapping the conductive dummy pattern and the transmission line in the plan view.

公开(公告)号：US12156444B2

公开(公告)日：2024-11-26

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: H10K50/84 ,  H10K59/12 ,  H10K59/13 ,  H10K59/131 ,  H10K50/844 ,  H10K59/121

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：US20240170470A1

公开(公告)日：2024-05-23

申请号：US18513697

申请日：2023-11-20

Applicant: Samsung Display Co., Ltd.

Inventor： Donghan Kang ,  Jeehoon Kim ,  Sunggwon Moon ,  Seungsok Son ,  Shinhyuk Yang ,  Woogeun Lee

IPC: H01L25/16 ,  H01L25/075 ,  H01L33/62

CPC classification number: H01L25/167 ,  H01L25/0753 ,  H01L33/62

Abstract: A display apparatus includes a transistor, a light-emitting diode including a first electrode electrically connected to the transistor, a second electrode, and an intermediate layer between the first and second electrodes, a bus line adjacent to the light-emitting diode, a first insulating layer on the bus line, a second insulating layer on the first insulating layer, a conductive layer electrically connected to the bus line through a first opening in the first insulating layer and a second opening in the second insulating layer, a third insulating layer on the second insulating layer and including a third opening overlapping the first opening and the second opening, and a fourth insulating layer on the third insulating layer and including a fourth opening overlapping the conductive layer, wherein a portion of the second electrode of the light-emitting diode is in contact with the conductive layer through the third opening and the fourth opening.

公开(公告)号：US12148871B2

公开(公告)日：2024-11-19

申请号：US17565088

申请日：2021-12-29

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L33/62 ,  H01L33/38

Abstract: A display device includes a driving element disposed in a display area, an emission element disposed in the display area and electrically connected to the driving element, and a connection pad disposed in a pad area adjacent to the display area and electrically connected to the driving element. The connection pad includes a first pad conductive layer including a metal and a second pad conductive layer including indium tin zinc oxide (ITZO). The indium tin zinc oxide of the second pad conductive layer includes about 20 at % to about 35 at % of indium (In), about 2 at % to about 20 at % of zinc (Zn), about 4 at % to about 6 at % of tin (Sn), and a remainder of oxygen (O).

公开(公告)号：US20230295504A1

公开(公告)日：2023-09-21

申请号：US18179919

申请日：2023-03-07

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

Inventor： Shinhyuk Yang ,  Beomsoo Kim ,  Hyeonsu Cho ,  Jeehoon Kim ,  Youngjin Yoon ,  Eunwon Lee ,  Donghan Kang ,  Jihun Park ,  Jongmoo Huh

IPC: C09K13/08

CPC classification number: C09K13/08

Abstract: An etchant including: persulfate; a fluorine-containing compound; a chlorine-containing compound; a cyclic amine compound; an inorganic acid; a first compound; and water, wherein the first compound is a compound containing: a sulfonic group, a sulfonic acid group, or a combination thereof; and an amine group, and an interfacial permeation inhibition index (Y) of the etchant is a value of at least about 0.10 and not more than about 0.35, the interfacial permeation inhibition index (Y) being a value calculated by Equation 1:


Y=1.4×10−4×M(X1)+1.3×10−4×M(X2)+1.45×10−3×M(X3)+1.5×10−5×M(X1)×M(X2)+1.6×10−3M(X1)×M(X3)+6.5×10−4×M(X2)×M(X3)  Equation 1

The description of Equation 1 is as in the specification.

公开(公告)号：US20220285595A1

公开(公告)日：2022-09-08

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 ,  H01L27/15 ,  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：US20210028272A1

公开(公告)日：2021-01-28

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: 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：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.