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：US20240016011A1

公开(公告)日：2024-01-11

申请号：US18118746

申请日：2023-03-08

Applicant: Samsung Display Co., Ltd.

Inventor： Kwang Soo LEE ,  Sho Yeon KIM ,  Hyun KIM ,  Kap Soo YOON ,  Woo Geun LEE ,  Seung Ha CHOI

IPC: H10K59/131 ,  H10K59/12

CPC classification number: H10K59/131 ,  H10K59/1201

Abstract: A display device includes a first base portion, a first conductive layer comprising a lower light blocking layer on the first base portion, and a lower wiring spaced apart from the lower light blocking layer, a buffer layer disposed on the first conductive layer, a semiconductor layer disposed on the first buffer layer and comprising a first area, a second area on one side of the first area, and a third area on the other side of the first area, a gate insulating layer on the semiconductor layer, and a second conductive layer comprising a gate electrode overlapping the first area on the gate insulating layer, wherein conductivity of each of the first area and the second area is higher than conductivity of the first area, the third area is electrically connected to the lower wiring, and the second area is directly connected to the lower light blocking layer.

公开(公告)号：US20230411561A1

公开(公告)日：2023-12-21

申请号：US18118486

申请日：2023-03-07

Applicant: Samsung Display Co., LTD.

Inventor： Ki Su JIN ,  Jae Hyun LEE ,  Seul Ki KIM ,  Min Sik JUNG ,  Seung Ha CHOI ,  Jong Bum CHOI

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

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

Abstract: A display device includes a first base part, a semiconductor layer including a first semiconductor part disposed on the first base part and a second semiconductor part adjacent to a first side of the first semiconductor part in a first direction, a gate insulating layer disposed on the semiconductor layer and including a first gate insulating layer and a second gate insulating layer spaced apart from each other, and a gate conductive layer including a gate electrode disposed on the first gate insulating layer and overlapping the first semiconductor part and a first connecting electrode overlapping the second gate insulating layer and the second semiconductor part. The first connecting electrode includes a protrusion, the second gate insulating layer includes a recess, and the protrusion of the first connecting electrode overlaps the recess of the second gate insulating layer.

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：US20230413632A1

公开(公告)日：2023-12-21

申请号：US18118886

申请日：2023-03-08

Applicant: Samsung Display Co., LTD.

Inventor： Hyun KIM ,  Ye Eun KANG ,  Dong Hyun WON ,  Kwang Soo LEE ,  Seung Ha CHOI

IPC: H10K59/131 ,  H10K59/12

CPC classification number: H10K59/1315 ,  H10K59/1201

Abstract: A display device includes a first conducive layer including a first and second wiring, a semiconductor layer on the first conductive layer and including a first to third semiconductor part, a gate insulating layer on the semiconductor layer, and a second conductive layer on the gate insulating layer and including a gate electrode overlapping the first semiconductor part, a first connecting electrode overlapping the second semiconductor part, and a second connecting electrode overlapping the third semiconductor part. The first and second connecting electrodes are directly connected to the second and third semiconductor parts, respectively. The second and third semiconductor parts include semiconductor openings. The first connecting electrode includes a (1-1)-th and (1-2)-th connecting electrodes. A width of the (1-2)-th connecting electrodes is less than a width of the (1-1)-th connecting electrode, and the (1-2)-th connecting electrodes protrude from the (1-1)-th connecting electrode toward the semiconductor openings.

公开(公告)号：US20170317105A1

公开(公告)日：2017-11-02

申请号：US15413055

申请日：2017-01-23

Applicant: Samsung Display Co., Ltd

Inventor： Seul Ki KIM ,  Seung Ha CHOI ,  Hyun KIM ,  Yun Seok HAN

IPC: H01L27/12 ,  G02F1/1333 ,  G02F1/1337 ,  G02F1/1339 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368

CPC classification number: H01L27/124 ,  G02F1/133345 ,  G02F1/1337 ,  G02F1/13394 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/136227 ,  G02F1/13624 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/13396 ,  G02F2001/134318 ,  G02F2201/121 ,  G02F2201/122 ,  G02F2201/123 ,  G02F2202/02 ,  H01L27/1248 ,  H01L27/1288

Abstract: Provided are a display device its method of manufacturing. The device includes a base; first and second thin-film transistors (TFT) on the base, adjacent to each; an organic layer covering the first and second TFT, comprising a first and second opening overlapping the drain electrodes of the first and second TFT, respectively; a common electrode on the organic layer comprising a common electrode opening overlapping the first opening and another common electrode opening overlapping the second opening; an insulating layer on a bump spacer which is on the common electrode; a first and second pixel electrode on the insulating layer overlapping the common electrode and electrically connected to the first and second TFT, respectively, wherein a minimum distance between the bump spacer and the common electrode opening is substantially equal to a minimum distance between the bump spacer and the other common electrode opening.

公开(公告)号：US20240414956A1

公开(公告)日：2024-12-12

申请号：US18398197

申请日：2023-12-28

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hyun LEE ,  Seung Ha CHOI ,  Ye Eun KANG ,  Jong Bum CHOI ,  Seung Rae KIM ,  Woo Geun LEE

IPC: H10K59/123 ,  G09G3/32

Abstract: A display device includes a first pixel and a second pixel. The first pixel and the second pixel each includes a first transistor, a portion of a via layer disposed on the first transistor, and a portion of a first metal layer disposed on the via layer. The first pixel and the second pixel further include a first pixel electrode and a second pixel electrode disposed in the first metal layer, and a first end of the first pixel electrode faces the second pixel electrode and is positioned at a height lower than the second pixel electrode.

公开(公告)号：US20230053184A1

公开(公告)日：2023-02-16

申请号：US17831387

申请日：2022-06-02

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device and a method of fabricating the same, the display device including a light-blocking layer disposed on a substrate, a buffer layer disposed on the light-blocking layer, a semiconductor layer disposed on the buffer layer, a gate insulating layer disposed on the semiconductor layer, a connection pattern layer and a gate electrode disposed on the gate insulating layer and spaced apart from each other, an interlayer dielectric layer disposed on the connection pattern layer and the gate electrode, a via layer disposed on the interlayer dielectric layer, a first bridge layer and a second bridge layer disposed on the via layer, a pixel electrode disposed on the second bridge layer, and a light-emitting layer disposed on the pixel electrode. An end of the first bridge layer is connected to the light-blocking layer through the connection pattern layer, and another end thereof is connected to the semiconductor layer. The second bridge layer connects the semiconductor layer with the pixel electrode.