公开(公告)号：US20250063884A1

公开(公告)日：2025-02-20

申请号：US18939409

申请日：2024-11-06

Applicant: Samsung Display Co., LTD.

Inventor： SUNGWOOK KIM ,  Kyungsik KIM ,  SeulOng KIM ,  TSUYOSHI NAIJO ,  SUNG-SOO BAE ,  Dongchan LEE ,  HYEIN JEONG ,  Hyewon CHOI ,  Seung-Jin CHU ,  Jaeweon HUR

IPC: H10K50/12 ,  H10K50/15 ,  H10K50/16

Abstract: A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.

公开(公告)号：US20240242675A1

公开(公告)日：2024-07-18

申请号：US18393729

申请日：2023-12-22

Applicant: Samsung Display Co., Ltd.

Inventor： SUNGWOOK KIM ,  YOUNG-IN HWANG ,  YOUNGWOO PARK ,  JEONG-SOO LEE

IPC: G09G3/3258 ,  H10K59/121

CPC classification number: G09G3/3258 ,  H10K59/1213 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2320/0247

Abstract: A pixel circuit is disclosed that includes a first hold capacitor or a second hold capacitor or both the first and second hold capacitors. The first hold capacitor is connected to a first gate electrode of a first transistor and an intermediate node of a first sub-transistor and a second sub-transistor. The second hold capacitor is connected to the first gate electrode of the first transistor and an intermediate node of a third sub-transistor and a fourth sub-transistor.

公开(公告)号：US20240078973A1

公开(公告)日：2024-03-07

申请号：US18139975

申请日：2023-04-27

Applicant: Samsung Display Co., Ltd.

Inventor： HANBIT KIM ,  SUNGWOOK KIM ,  CHANYEOB SEOL ,  YUNJUNG OH ,  JEONG-SOO LEE ,  JINA LEE ,  SEONGBAIK CHU

IPC: G09G3/3233 ,  H10K59/131

CPC classification number: G09G3/3233 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0247

Abstract: A pixel may include a light emitting diode which includes an anode and a cathode, a first transistor which includes a first source region, a first drain region electrically connected to the anode, a first channel region, and a first gate electrode, a first sub-transistor which includes a first sub-source region connected to the first drain region, a first sub-drain region, a first sub-channel region, and a first sub-gate electrode, a second sub-transistor which includes a second sub-source region connected to the first sub-drain region, a second sub-drain region connected to the first gate electrode, a second sub-channel region, and a second sub-gate electrode, a storage line which overlaps the first sub-drain region and the second sub-source region, and a first hold pattern which overlaps the first sub-drain region, the second sub-source region, and the storage line, and connected to the first sub-drain region and the second sub-source region.

公开(公告)号：US20240274049A1

公开(公告)日：2024-08-15

申请号：US18502123

申请日：2023-11-06

Applicant: Samsung Display Co., Ltd.

Inventor： YOUNGWOO PARK ,  SUNGWOOK KIM ,  JEONGGI KIM ,  TAESIK KIM ,  JEONG-SOO LEE ,  JINA LEE ,  WAN-SOON IM ,  SEONGBAIK CHU

IPC: G09G3/00 ,  G09G3/32

CPC classification number: G09G3/006 ,  G09G3/32 ,  G09G2330/10 ,  G09G2330/12

Abstract: Provided are a method for repairing a display panel and a display panel repaired by using the same. The method for repairing a display panel of the inventive concept includes inspecting a display panel including pixels arranging along a first direction and a second direction crossing the first direction to detect a defective pixel among the pixels, and cutting an initialization voltage line disposed between the defective pixel detected in the detecting of a defective pixel and pixels disposed adjacent to the defective pixel to isolate the defective pixel from the initialization voltage line.

公开(公告)号：US20240169901A1

公开(公告)日：2024-05-23

申请号：US18503984

申请日：2023-11-07

Applicant: Samsung Display Co., Ltd.

Inventor： YOUNGWOO PARK ,  YOUNG-IN HWANG ,  SUNGWOOK KIM ,  JEONG-SOO LEE ,  WAN-SOON IM

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2320/0247

Abstract: A display device includes a light-emitting element, a driving element to apply a driving current, a 1-1 switching element including a first electrode connected to a gate electrode of the driving element, a gate electrode, and a second electrode connected to a first intermediate node, a 1-2 switching element including a first electrode connected to the first intermediate node, a gate electrode, and a second electrode connected to a second electrode of the driving element, a 2-1 switching element including a first electrode connected to a second intermediate node, a gate electrode, and a second electrode connected to the gate electrode of the driving element, a 2-2 switching element including a first electrode, a gate electrode, and a second electrode connected to the second intermediate node, and a capacitor including a first electrode to receive a power voltage, and a second electrode connected to the first and second intermediate nodes.

公开(公告)号：US20230413592A1

公开(公告)日：2023-12-21

申请号：US18449368

申请日：2023-08-14

Applicant: Samsung Display Co., LTD.

Inventor： SUNGWOOK KIM ,  Kyungsik KIM ,  SeulOng KIM ,  TSUYOSHI NAIJO ,  SUNG-SOO BAE ,  Dongchan LEE ,  HYEIN JEONG ,  Hyewon CHOI ,  Seung-Jin CHU ,  Jaeweon HUR

IPC: H10K50/12 ,  H10K50/15 ,  H10K50/16

CPC classification number: H10K50/12 ,  H10K50/16 ,  H10K50/15

Abstract: A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.