公开(公告)号：US20210036076A1

公开(公告)日：2021-02-04

申请号：US16895756

申请日：2020-06-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seul Ki KIM ,  Seung Sok SON ,  Kap Soo YOON ,  Woo Geun LEE ,  Su Jung JUNG ,  Seung Ha CHOI

IPC: H01L27/32

Abstract: A display device includes a substrate having a display area and a pad area. A gate conductive layer disposed on the substrate includes a gate conductive metal layer and a gate capping layer. The gate conductive layer forms a gate electrode in the display area and a wire pad in the pad area that is exposed by a pad opening. An interlayer insulating film disposed on the gate conductive layer covers the gate electrode. A data conductive layer disposed on the interlayer insulating film in the display area includes source and drain electrodes. A passivation layer disposed on the data conductive layer covers the source and drain electrodes. A via layer is disposed on the passivation layer. A pixel electrode is disposed on the via layer. The pixel electrode is connected to the source electrode through a contact hole penetrating the via layer and the passivation layer.

公开(公告)号：US20170102574A1

公开(公告)日：2017-04-13

申请号：US15257293

申请日：2016-09-06

Applicant: Samsung Display Co., Ltd

Inventor： Hyun KIM ,  Seul Ki KIM ,  Seung Ha CHOI ,  Yun Seok HAN ,  Kap Soo YOON ,  Jeong Uk HEO

IPC: G02F1/1339 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1368

CPC classification number: G02F1/13394 ,  G02F1/133345 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/1337 ,  G02F1/134363 ,  G02F1/1368 ,  G02F2001/13396 ,  G02F2001/13398 ,  G02F2202/02

Abstract: A display device is provided. The display device includes: a first substrate that comprises a first base substrate, an insulating layer located on the first base substrate, and a barrier layer located on the insulating layer; a second substrate that faces the first substrate; a liquid crystal layer that is located between the first substrate and the second substrate; and a first spacer that is located between the first substrate and the second substrate and is in contact with the first substrate, wherein the first substrate further comprises a second spacer that is located on the barrier layer and overlaps with the first spacer.

公开(公告)号：US20240332457A1

公开(公告)日：2024-10-03

申请号：US18422572

申请日：2024-01-25

Applicant: Samsung Display Co., LTD.

Inventor： Seul Ki KIM ,  Myeong Su SO

IPC: H01L33/38 ,  H01L25/16 ,  H01L33/48

CPC classification number: H01L33/38 ,  H01L25/167 ,  H01L33/483 ,  H01L2933/0016

Abstract: According to an embodiment of the disclosure, a display device may include a first electrode disposed on a substrate, a bank disposed on the substrate and including an opening exposing at least a portion of the first electrode, light emitting elements disposed on the first electrode, an insulating layer disposed on the bank to overlap the bank in a plan view, and a second electrode disposed on the insulating layer and the light emitting elements.

公开(公告)号：US20240055558A1

公开(公告)日：2024-02-15

申请号：US18339583

申请日：2023-06-22

Applicant: Samsung Display Co., LTD.

Inventor： Ji Eun PARK ,  Tae Jin KONG ,  Myeong Hee KIM ,  Seul Ki KIM ,  Myeong Su SO

IPC: H01L33/20 ,  H01L25/16 ,  H01L33/46 ,  H01L33/00

CPC classification number: H01L33/20 ,  H01L25/167 ,  H01L33/46 ,  H01L33/0062 ,  H01L2933/0025

Abstract: A light emitting element includes a first end surface and a second end surface opposite to each other, the light emitting element includes: a first semiconductor layer disposed at the first end surface; an active layer disposed on the first semiconductor layer; a second semiconductor layer disposed on the active layer; and an electrode layer disposed on the second semiconductor layer and disposed at the second end surface. The first semiconductor layer includes a first part, a second part disposed on the first part and adjacent to the active layer, and a third part disposed between the first part and the second part. A width of the first part and a width of the second part are different from each other, and the third part has different widths at different length positions.

公开(公告)号：US20230231078A1

公开(公告)日：2023-07-20

申请号：US17940091

申请日：2022-09-08

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Su SO ,  Myeong Hee KIM ,  Seul Ki KIM

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/00

CPC classification number: H01L33/382 ,  H01L33/005 ,  H01L33/62 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device includes a first electrode and a second electrode that are disposed on a substrate to be spaced apart from each other, a first insulating layer disposed on the first electrode and the second electrode, a light emitting element disposed on the first insulating layer, a first connection electrode in electrical contact with a first end of the light emitting element on the first insulating layer, and an organic layer disposed on the first connection electrode and surrounding the light emitting element.

公开(公告)号：US20230062993A1

公开(公告)日：2023-03-02

申请号：US17872948

申请日：2022-07-25

Applicant: Samsung Display Co., LTD.

Inventor： Seul Ki KIM ,  Kwang Soo LEE ,  Jae Hyun LEE ,  Seung Ha CHOI ,  Jong Bum CHOI

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/00

Abstract: A display device includes: a substrate; a first conductive layer on the substrate and including a first pattern; a first insulating layer on the first conductive layer; a semiconductor layer on the first insulating layer and including an active pattern; a second insulating layer on the semiconductor layer; and a second conductive layer on the second insulating layer, wherein the second conductive layer includes a first electrode partially in contact with the active pattern, the first electrode is in contact with the first pattern through a first contact hole, the first contact hole penetrates the first insulating layer and includes a first hole defined by a sidewall of the first insulating layer, and a second hole defined by a sidewall of the active pattern and a sidewall of the second insulating layer, and a width of the second hole is greater than a width of the first hole.

公开(公告)号：US20220392966A1

公开(公告)日：2022-12-08

申请号：US17568504

申请日：2022-01-04

Applicant: Samsung Display Co., Ltd.

Inventor： Kwang Soo LEE ,  Seul Ki KIM ,  Seung Rae KIM ,  Jae Hyun LEE ,  Seung Ha CHOI

IPC: H01L27/32

Abstract: Provided is a display device which comprises a substrate, a first insulating layer disposed on the substrate, a semiconductor layer disposed on the first insulating layer, wherein the semiconductor layer includes an active pattern, a second insulating layer disposed on the semiconductor layer, and a first conductive layer disposed on the second insulating layer. The display device further comprises a gate electrode and source/drain electrodes composed of the same conductive layer, and comprises a semiconductor layer having reduced resistance against an electrical signal applied to the transistor. Thus, reliability of the display device is improved due to the decrease in the resistance of the semiconductor layer.

公开(公告)号：US20240313166A1

公开(公告)日：2024-09-19

申请号：US18597759

申请日：2024-03-06

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Rae CHA ,  Jun Youn KIM ,  Dong Uk KIM ,  Myeong Hee KIM ,  Seul Ki KIM ,  Hee Keun LEE

IPC: H01L33/40 ,  H01L25/16 ,  H01L33/20

CPC classification number: H01L33/405 ,  H01L25/167 ,  H01L33/20 ,  H01L2933/0016

Abstract: A light emitting element, a display device including the same and a method of fabricating the same. The light emitting element may include an element rod including a first semiconductor layer, an active layer, and a second semiconductor layer. First and second contact electrodes may be respectively disposed on a first end surface and a second and opposite end surface of the element rod. A reflection layer may surround the first contact electrode and the element rod. An inner insulating layer may be disposed inside the reflection layer and surround the first contact electrode and the element rod. An outer insulating layer external to the reflection layer and may surround the first contact electrode and the element rod. A first inclination of side surfaces of the first semiconductor layer and the active layer and a second inclination of a side surface of the second semiconductor layer may be different.

公开(公告)号：US20240113268A1

公开(公告)日：2024-04-04

申请号：US18325216

申请日：2023-05-30

Applicant: Samsung Display Co., LTD.

Inventor： Seul Ki KIM ,  Tae Jin KONG ,  Myeong Hee KIM ,  Ji Eun PARK ,  Myeong Su SO

IPC: H01L33/62 ,  G09G3/3233 ,  H01L25/16

CPC classification number: H01L33/62 ,  G09G3/3233 ,  H01L25/167 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2354/00

Abstract: A display device includes a first electrode, an outer electrode surrounding the first electrode, a bank overlapping the outer electrode in a plan view, the bank including an opening that exposes the first electrode, a light emitting element disposed on the first electrode and in the opening of the bank, and a second electrode disposed on the light emitting element. The outer electrode may be electrically disconnected from the first electrode upon a bad contact between a light emitting member and the outer electrode. As a result, defective pixels can be repaired.

公开(公告)号：US20240113151A1

公开(公告)日：2024-04-04

申请号：US18328098

申请日：2023-06-02

Applicant: Samsung Display Co., LTD.

Inventor： Ji Eun PARK ,  Seul Ki KIM

IPC: H01L27/15

CPC classification number: H01L27/156

Abstract: A manufacturing method for a display device includes patterning a pixel defining pattern on a substrate; forming an emission stack structure; forming light emitting elements by etching the emission stack structure; and transferring the light emitting elements on a base layer and a pixel circuit layer including a pixel circuit on the base layer. The forming of the light emitting elements includes patterning the light emitting elements in an element forming area enclosed by the pixel defining pattern. The transferring of the light emitting elements includes disposing the light emitting elements in a sub-pixel area corresponding to the element forming area on the pixel circuit layer.