公开(公告)号：US20210193764A1

公开(公告)日：2021-06-24

申请号：US17005081

申请日：2020-08-27

Applicant: Samsung Display Co., Ltd.

Inventor： Youngjin CHO ,  Jisu NA ,  Joong-Soo MOON ,  Yangwan KIM

IPC: H01L27/32 ,  G09G3/3266

Abstract: A display device includes: a base layer including an active area and a non-active area adjacent to the active area; a display circuit layer including a pixel circuit at the active area of the base layer, and a driving circuit at the non-active area, the driving circuit to supply a driving signal to the pixel circuit; and a display element layer on the display circuit layer and including light emitting elements to emit light. The non-active area includes a valley area formed by removing a portion of an organic insulation layer at the display circuit layer, the driving circuit includes a buffer transistor to output the driving signal, and the buffer transistor includes a control electrode and a semiconductor layer overlapping the valley area in a plan view.

公开(公告)号：US20210057513A1

公开(公告)日：2021-02-25

申请号：US17089900

申请日：2020-11-05

Applicant: Samsung Display Co., Ltd.

Inventor： Joongsoo MOON ,  Kwangmin KIM ,  Yangwan KIM ,  Cheolgon LEE ,  Youngjin CHO ,  Changkyu JIN

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

Abstract: A display apparatus includes a substrate having a display area and a peripheral area, wirings over the peripheral area that extend in a first area to a third area, an interlayer insulating layer covering the wirings and having a first uneven upper surface corresponding to the wirings, a first conductive layer over the interlayer insulating layer and including a second uneven upper surface corresponding to the first uneven upper surface, a planarization layer over the first conductive layer and exposing at least a portion of the first conductive layer, a second conductive layer electrically connected to the first conductive layer, at least a portion of the second conductive layer is over the planarization layer, and a reflection reduction layer on the second conductive layer.

公开(公告)号：US20200081572A1

公开(公告)日：2020-03-12

申请号：US16565276

申请日：2019-09-09

Applicant: Samsung Display Co., Ltd.

Inventor： Jisu NA ,  Kwang-min KIM ,  Kiwook KIM ,  Yangwan KIM

IPC: G06F3/041 ,  G06F3/047 ,  G06F3/044 ,  H01L27/32

Abstract: An input sensing unit includes a plurality of first electrodes which are arranged in a first direction and each of which extends in a second direction crossing the first direction, a plurality of row electrodes each of which includes a second electrode and a third electrode, a plurality of first sensing lines respectively connected to the first electrodes, a plurality of second sensing lines respectively connected to the second electrodes, and a third sensing line connected to each of the third electrodes. Each of the row electrodes includes one side and the other side, which are opposed to each other in the first direction, and the one side is connected to one of one second sensing line and one third sensing line of the second sensing lines, and the other side is connected to the other of the second sensing lien and the third sensing line.

公开(公告)号：US20190267444A1

公开(公告)日：2019-08-29

申请号：US16264231

申请日：2019-01-31

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Joongsoo MOON ,  Kwangmin KIM ,  Yangwan KIM ,  Cheolgon LEE ,  Youngjin CHO ,  Changkyu JIN

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

Abstract: A display apparatus includes a substrate having a display area and a peripheral area, wirings over the peripheral area that extend in a first through third areas, an interval between the wirings in the second area is greater than an interval between the wirings in each of the first and third areas, an insulating layer covering the wirings and having a first uneven surface corresponding to the wirings, a first conductive layer over the insulating layer and including a second uneven surface corresponding to the first uneven surface, a flat planarization layer over the first conductive layer and exposing at least a portion of the first conductive layer, a second conductive layer electrically connected to the first conductive layer, at least a portion of the second conductive layer is over the planarization layer, and a polarization plate on the second conductive layer.

公开(公告)号：US20250151570A1

公开(公告)日：2025-05-08

申请号：US19012643

申请日：2025-01-07

Applicant: Samsung Display Co., Ltd.

Inventor： Joong-Soo MOON ,  Kwang-Min KIM ,  Yangwan KIM ,  Keunsoo LEE ,  Youngjin CHO

IPC: H10K59/40 ,  G06F3/044 ,  H10K50/125 ,  H10K59/131

Abstract: A display device may include a display panel and an input sensor. Mesh lines of the input sensor may include first mesh lines extending in a first direction and second mesh lines extending in a second direction crossing the first direction. The first mesh lines and the second mesh lines may cross each other at a plurality of cross points. In a unit region of the sensing electrode, first cutting points may be defined in the first mesh lines and the second mesh lines, and second cutting points may be defined in the first mesh lines and the second mesh lines.

公开(公告)号：US20240389391A1

公开(公告)日：2024-11-21

申请号：US18788091

申请日：2024-07-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Youngjin CHO ,  Hyunwoong KIM ,  Joong-soo MOON ,  Seung-kyu LEE ,  Yangwan KIM

IPC: H10K59/121 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/126 ,  H10K59/131

Abstract: Provided is pixel including a first transistor including a first drain region electrically connected to a light emitting diode, a first gate electrode, a first channel region overlapping the first gate electrode, and a first source region, a first sub-transistor including a first sub-gate electrode, a first sub-channel region overlapping the first sub-gate electrode, a first sub-drain region connected to the first gate electrode, and a first sub-source region, a second sub-transistor including a second sub-gate electrode, a second sub-channel region overlapping the second sub-gate electrode, a second sub-drain region connected to the first sub-source region, and a second sub-source region, and a shielding pattern overlapping the first sub-source region and the second sub-drain region and not overlapping the first sub-channel region, wherein a width of the first sub-channel region is greater than a width of the second sub-channel region.

公开(公告)号：US20240385719A1

公开(公告)日：2024-11-21

申请号：US18788117

申请日：2024-07-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunwoong KIM ,  Kwang-min KIM ,  Kiwook KIM ,  Yangwan KIM ,  Jisu NA

IPC: G06F3/044 ,  H10K59/40

Abstract: A display device including a display panel and an input sensor including a sensing region and a wiring region, the input sensor including a first sensing electrode, a second sensing electrode, a first signal line electrically connected to a first end of the first sensing electrode, a second end thereof being electrically isolated, and second and third signal lines electrically connected to ends of the second sensing electrode, respectively, in which a total distance between the ends of the second sensing electrode is greater than that between the ends of the first sensing electrode, the second sensing electrode includes sensor parts formed from a same layer as the first sensing electrode and bridge patterns formed from a different layer from the sensor parts, and each of the first end and the second end of the second sensing electrode is configured to receive a sinusoidal signal.

公开(公告)号：US20230240107A1

公开(公告)日：2023-07-27

申请号：US18159635

申请日：2023-01-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junyoung MIN ,  Wonkyu KWAK ,  Huigyeong YUN ,  Junwon CHOI ,  Jihyun KA ,  Yangwan KIM ,  Myeonghee SEO

IPC: H10K59/131

CPC classification number: H10K59/1315 ,  H10K59/124

Abstract: A display device includes: a substrate including a display area and a non-display area including a pad area; an inorganic insulating layer disposed on the substrate and including a first inorganic insulating layer, a second inorganic insulating layer, and a third inorganic insulating layer; a light-emitting element layer disposed on the inorganic insulating layer and including a light-emitting element overlapping the display area in a plan view; a gate wiring overlapping the display area in the plan view, extending in a first direction and disposed between the first inorganic insulating layer and the second inorganic insulating layer; and a fanout wiring extending in a direction toward the display area from the pad area and disposed between the second inorganic insulating layer and the third inorganic insulating layer, where a sheet resistance of the gate wiring is lower than a sheet resistance of the fanout wiring.

公开(公告)号：US20230176670A1

公开(公告)日：2023-06-08

申请号：US18097448

申请日：2023-01-16

Applicant: Samsung Display Co., Ltd.

Inventor： Jisu NA ,  Kwang-min KIM ,  Kiwook KIM ,  Yangwan KIM

IPC: G06F3/041 ,  G06F3/047 ,  G06F3/044 ,  H10K59/40 ,  H10K59/131

CPC classification number: G06F3/0412 ,  G06F3/047 ,  G06F3/044 ,  H10K59/40 ,  H10K59/131

Abstract: An input sensing unit including a plurality of first electrodes, which are arranged in a first direction and each of which extends in a second direction crossing the first direction, a plurality of row electrode each of which includes a second electrode and a third electrode, a plurality of first sensing lines respectively connected to the first electrodes, a plurality of second sensing lines respectively connected to the second electrodes, and a third sensing line connected to each of the third electrodes. Each of the row electrodes includes one side and the other side, which are opposed to each other in the first direction, and the one side is connected to one of one second sensing line and one third sensing line of the second sensing lines, and the other side is connected to the other of the second sensing lien and the third sensing line.

公开(公告)号：US20220155896A1

公开(公告)日：2022-05-19

申请号：US17532944

申请日：2021-11-22

Applicant: Samsung Display Co., Ltd.

Inventor： Jisu NA ,  Kwang-min KIM ,  Kiwook KIM ,  Yangwan KIM

IPC: G06F3/041 ,  G06F3/047 ,  H01L27/32 ,  G06F3/044

Abstract: An input sensing unit includes a plurality of first electrodes which are arranged in a first direction and each of which extends in a second direction crossing the first direction, a plurality of row electrode each of which includes a second electrode and a third electrode, a plurality of first sensing lines respectively connected to the first electrodes, a plurality of second sensing lines respectively connected to the second electrodes, and a third sensing line connected to each of the third electrodes. Each of the row electrodes includes one side and the other side, which are opposed to each other in the first direction, and the one side is connected to one of one second sensing line and one third sensing line of the second sensing lines, and the other side is connected to the other of the second sensing lien and the third sensing line.