公开(公告)号：US20250140146A1

公开(公告)日：2025-05-01

申请号：US18917416

申请日：2024-10-16

Applicant: Samsung Display Co., LTD.

Inventor： GICHANG LEE

IPC: G09G3/20

Abstract: A gate driver includes a plurality of stages, each including: a first transistor including a first electrode, and a second electrode connected to a first control node; a third transistor including a first electrode connected to the first control node; and a second electrode connected to a second control node; a fifth transistor including a gate electrode connected to an inverting control node, and a second electrode connected to a gate output node; a sixth transistor including a gate electrode connected to the second control node, and a second electrode connected to the gate output node; a seventh transistor including a first electrode, and a second electrode connected to the first control node; and an eighth transistor including a gate electrode to receive an aging signal, a first electrode to receive an aging voltage, and a second electrode connected to the first electrode of the first transistor.

公开(公告)号：US20250138684A1

公开(公告)日：2025-05-01

申请号：US18950314

申请日：2024-11-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： MIYOUNG KIM ,  SOYEON PARK ,  YONG-HWAN PARK ,  SANGHYUN JUN

IPC: G06F3/044 ,  G06F3/041 ,  H10K59/40 ,  H10K102/00

Abstract: Provided is a display device including a display panel including a display region and a non-display region, and an input sensing device disposed on the display panel. The input sensing device includes a first sensing insulation layer directly disposed on the display panel, a first sensing conductive layer disposed on the first sensing insulation layer, a second sensing insulation layer disposed on the first sensing insulation layer and covering the first sensing conductive layer, and a second sensing conductive layer disposed on the second sensing insulation layer. The second sensing insulation layer includes an organic film, and a first thickness of the first sensing conductive layer is greater than a second thickness of the second sensing conductive layer.

公开(公告)号：US20250138673A1

公开(公告)日：2025-05-01

申请号：US19008804

申请日：2025-01-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sang Hyun LIM

IPC: G06F3/041 ,  G06F3/044

Abstract: A display device including: a display panel in which a plurality of pixels are arranged in an image display area; a touch sensing unit disposed on a surface of the display panel, wherein the touch sensing unit is configured to sense a touch of an electronic pen; a display driving circuit configured to drive the pixels; and a touch sensing circuit configured to generate touch coordinate data by detecting a touch position of the electronic pen, wherein the touch sensing circuit is configured to drive pen touch electrodes so that the electronic pen is electromagnetically charged, and to recognize a touch and a touch position of the electronic pen by detecting a variation of a pen touch sensing signal of the pen touch electrodes.

公开(公告)号：US20250138667A1

公开(公告)日：2025-05-01

申请号：US18812213

申请日：2024-08-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SANGHYUN LIM

IPC: G06F3/041 ,  G06F3/044

Abstract: An electronic device includes a sensor layer and a sensor driver. The sensor layer includes a first electrode, a first auxiliary electrode overlapped with the first electrode, a first loop electrode overlapped with the first electrode, a first loop trace line electrically connected to a first end portion of the first loop electrode, and a second loop trace line electrically connected to a second end portion of the first loop electrode that is spaced apart from the first end portion. The first loop electrode, the first loop trace line, and the second loop trace line are connected in a first closed loop.

公开(公告)号：US20250138603A1

公开(公告)日：2025-05-01

申请号：US18916399

申请日：2024-10-15

Applicant: Samsung Display Co., LTD.

Inventor： YOUNHWAN JUNG ,  SANG WOL LEE ,  YOONKI HONG

IPC: G06F1/18 ,  G06F1/16 ,  G06F1/20

Abstract: A display device includes a display panel including a display portion and a bending portion adjacent to the display portion, a circuit board spaced apart from the display portion in a first direction and connected to the bending portion, and a shape maintaining portion disposed between the display portion and the circuit board and including a first surface adjacent to the display portion and including a central portion convexly curved in a second direction opposite to the first direction and an edge portion which is flat and a second surface adjacent to the circuit board.

公开(公告)号：US20250138578A1

公开(公告)日：2025-05-01

申请号：US19010620

申请日：2025-01-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JUNGIL LEE ,  MIN-SUNG KIM

IPC: G06F1/16 ,  H04M1/02

Abstract: An electronic device includes a display module including a first non-folding portion, a first folding portion, a second non-folding portion, a second folding portion, and a third non-folding portion. The electronic device further includes a first plate disposed under the display module and including first openings overlapping the first folding portion and second openings, a second plate including a first substrate, a second substrate, and a third substrate, an adhesive layer disposed between the first plate and the second plate and including a first portion overlapping the first folding portion and a second portion spaced apart from the first portion, and a plurality of sticks disposed between the second substrate and the third substrate and spaced apart from each other in the first direction. A portion of the second portion overlapping the second folding portion is exposed through spaces between the sticks.

公开(公告)号：US20250138070A1

公开(公告)日：2025-05-01

申请号：US19012708

申请日：2025-01-07

Applicant: Samsung Display Co., Ltd.

Inventor： EUNSOL SEO ,  HYUN-WOOK CHO ,  SANGKOOK KIM ,  TAEJOON KIM ,  EUNGKWAN LEE ,  JAEWOO CHOI

IPC: G01R27/26 ,  G06F3/041 ,  G06F3/044

Abstract: In a method for testing an electronic device, the method includes: providing an electronic device including a display layer and a sensor layer on the display layer and configured to operate at a touch drive frequency, the sensor layer including a plurality of first electrodes and a plurality of second electrodes insulatively intersecting the plurality of first electrodes; providing a test signal having a test frequency higher than the touch drive frequency to the plurality of first electrodes; measuring mutual capacitance with the plurality of first electrodes through the plurality of second electrodes; and determining whether or not the sensor layer is defective, based on the mutual capacitance.

公开(公告)号：US12289991B2

公开(公告)日：2025-04-29

申请号：US15860857

申请日：2018-01-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junta Fuchiwaki ,  Ikuo Sasaki ,  Shuri Sato ,  Nobutaka Akashi

IPC: H10K85/60 ,  C07D401/10 ,  C07D401/14 ,  C07D413/14 ,  C07D417/14 ,  H10K50/11 ,  H10K50/18 ,  H10K85/40

Abstract: An organic electroluminescence device including a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the hole transport region includes a first heterocyclic compound including 1 to 3 structures derived from a compound represented by Formula 1 below, and the emission layer includes a second heterocyclic compound including 1 or 2 structures derived from a compound represented by Formula 1.

公开(公告)号：US12289983B2

公开(公告)日：2025-04-29

申请号：US17333354

申请日：2021-05-28

Applicant: Samsung Display Co., Ltd.

Inventor： Hyojin Ko ,  Changhee Lee ,  Dukki Kim ,  Sehun Kim ,  Youngil Kim ,  Seungmook Lee ,  Jaekook Ha

IPC: H10K85/10 ,  C09D11/38 ,  C09D11/52 ,  H10K50/115 ,  H10K50/17 ,  H10K71/00 ,  H10K71/12

Abstract: According to one aspect of the invention, a hole-transporting ink composition for a light emitting device, the hole-transporting ink composition includes an adhesion-promoting compound represented by Formula 1 and a hole-transporting compound: A1—B1—C1   Formula 1 wherein, in Formula 1, the variables are defined above.

公开(公告)号：US12289975B2

公开(公告)日：2025-04-29

申请号：US17624673

申请日：2020-06-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Jin Kong ,  Hyun Min Cho ,  Dae Hyun Kim ,  Su Mi Moon ,  Xinxing Li ,  Hee Keun Lee

IPC: H01L27/32 ,  H10K50/854 ,  H10K59/122 ,  H10K59/35 ,  H10K59/38 ,  H10K102/10

Abstract: A display device may include a first sub-pixel including a first light emitting element disposed in a first sub-pixel area of a substrate, a second sub-pixel including a second light emitting element disposed in a second sub-pixel area located in a first direction with respect to the first sub-pixel area of the substrate, a bank layer disposed between the first and second sub-pixels, a first color filter pattern disposed on the first sub-pixel and the bank layer, and a second color filter pattern disposed on the second sub-pixel and the bank layer. The first light emitting element may emit light having a first color. The second light emitting element may emit light having a second color. The first color filter pattern and the second color filter pattern may at least partially overlap each other on the bank layer.