公开(公告)号：US20240188379A1

公开(公告)日：2024-06-06

申请号：US18468760

申请日：2023-09-18

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNEOK SHIN ,  JOONYONG PARK ,  JUHYUN LEE

IPC: H10K59/80 ,  G02B27/01 ,  H10K71/12

CPC classification number: H10K59/80518 ,  G02B27/0172 ,  H10K59/80524 ,  H10K71/12 ,  H10K2102/103

Abstract: A display panel includes a circuit layer including a pixel region and a non-pixel region, a first light-emitting element disposed on the circuit layer; and an inorganic layer disposed on the circuit layer and including a first portion and a second portion, wherein the first light-emitting element includes a first resonance electrode disposed on the circuit layer and including a reflective electrode and a first transparent electrode disposed on the reflective electrode, a light-emitting portion disposed on the first resonance electrode, and an upper electrode disposed on the light-emitting portion, the second portion is disposed between the reflective electrode and the first transparent electrode, at least one opening is defined in the second portion, the first transparent electrode includes a first transparent portion and a second transparent portion, and a first length of the first transparent portion is greater than a second length of the second transparent portion.

公开(公告)号：US20240172482A1

公开(公告)日：2024-05-23

申请号：US18234955

申请日：2023-08-17

Applicant: Samsung Display Co., LTD.

Inventor： JOONYONG PARK ,  HYUNEOK SHIN ,  JUHYUN LEE ,  SAMTAE JEONG

IPC: H10K59/122 ,  H10K59/12 ,  H10K71/20 ,  H10K71/60

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K71/231 ,  H10K71/60 ,  H10K2102/351

Abstract: A display panel includes a pixel defining film which is disposed on a base layer and in which a light-emitting opening is defined, a partitioning wall which is disposed on the pixel defining film and in which a partitioning wall opening corresponding to the light-emitting opening is defined, and a light-emitting element including an anode, a middle layer, and a cathode which contacts the partitioning wall. The light-emitting element is disposed in the partitioning wall opening. The partitioning wall includes a first partitioning wall layer disposed on the pixel defining film and defining a portion of a first area of the partitioning wall opening, a second partitioning wall layer disposed on the first partitioning wall layer and defining a portion of a second area of the partitioning wall opening. A width of the first area is different from a width of the second area.

公开(公告)号：US20240134222A1

公开(公告)日：2024-04-25

申请号：US18483446

申请日：2023-10-08

Applicant: Samsung Display Co., Ltd.

Inventor： WOONGSIK KIM ,  SIKWANG KIM ,  DONGHWAN BAE ,  JIN-SU BYUN ,  JUHYUN LEE

IPC: G02F1/1335 ,  G02B5/28

CPC classification number: G02F1/133512 ,  G02B5/287

Abstract: A display device includes a light-emitting element, an encapsulation layer covering the light-emitting element, an etch protection layer on the encapsulation layer, a first light-blocking pattern protruding from an upper surface of the etch protection layer, and including a first light-blocking material, an organic layer covering the first light-blocking pattern, and defining a trench exposing an upper surface of the first light-blocking pattern, and a second light-blocking pattern in the trench, including a second light-blocking material, and defining an inner space surrounded by the second light-blocking material.

公开(公告)号：US20240130190A1

公开(公告)日：2024-04-18

申请号：US18346302

申请日：2023-07-03

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  JUHYUN LEE ,  JONGHEE PARK ,  JOONYONG PARK

IPC: H10K59/32 ,  H10K59/12 ,  H10K59/122 ,  H10K59/35 ,  H10K71/00 ,  H10K71/20

CPC classification number: H10K59/32 ,  H10K59/1201 ,  H10K59/122 ,  H10K59/352 ,  H10K71/211 ,  H10K71/233 ,  H10K71/621

Abstract: An organic light emitting display device includes a first to a third pixel electrodes and a pixel defining layer disposed on a substrate, a first light emitting layer disposed on the first pixel electrode, a second light emitting layer disposed on the first to third pixel electrodes, a third light emitting layer disposed on the third pixel electrode, a thickness compensation layer disposed on the third pixel electrode, overlapping the third light emitting layer, and including Z-ITO having a ZnOx content of about 50 wt % or more, and about 90 wt % or less, and a common electrode disposed on the first to third light emitting layers.

公开(公告)号：US20230082757A1

公开(公告)日：2023-03-16

申请号：US17748217

申请日：2022-05-19

Applicant: Samsung Display Co., Ltd.

Inventor： DONGMIN LEE ,  HYUNEOK SHIN ,  JUHYUN LEE ,  HYUNAH SUNG

IPC: H01L27/32 ,  H01L51/56

Abstract: Provided is a display device including a display panel including a base layer including a display region which includes a first region and a second region disposed adjacent to the first region, a plurality of insulating layers disposed on the base layer, and a first pixel and a second pixel disposed on the base layer, wherein the first pixel includes a first light-emitting element disposed in the first region, a first pixel circuit electrically connected to the first light-emitting element, and a wiring layer disposed on at least one insulating layer and containing a conductive polymer, and the wiring layer includes a conductive portion which electrically connects the first pixel circuit and the first light-emitting element, and an insulating portion disposed adjacent to the conductive portion.

公开(公告)号：US20250098478A1

公开(公告)日：2025-03-20

申请号：US18790855

申请日：2024-07-31

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  JUHYUN LEE ,  YUNG BIN CHUNG

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122

Abstract: A display device includes a pixel defining film disposed on a circuit element layer, where a light-emitting opening is defined in the pixel defining film, a light-emitting element including a first electrode including an upper surface exposed through the light-emitting opening, where the first electrode at least partially overlaps the pixel defining film, a second electrode disposed on the first electrode. The display device includes a protective layer disposed between the first electrode and the pixel defining film. The first electrode includes a first sub-electrode including a reflective metal material, a second sub-electrode disposed on the first sub-electrode and including a transparent conductive oxide, and an intermediate layer disposed directly between the first sub-electrode and the second sub-electrode and including a tungsten oxide. The display device has high-resolution display quality and low driving voltage characteristics.

公开(公告)号：US20240365598A1

公开(公告)日：2024-10-31

申请号：US18621372

申请日：2024-03-29

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  JUHYUN LEE

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/8792

Abstract: A display panel includes a base layer, a pixel defining film which is disposed on the base layer and in which a light-emitting opening is defined, a partition wall which is disposed on the pixel defining film and in which a partition wall opening corresponding to the light-emitting opening is defined, a low reflection layer disposed on the partition wall and including a light absorbing material, and a light-emitting element overlapping the partition wall opening and including an anode, an intermediate layer, and a cathode electrically connected to the partition wall.

公开(公告)号：US20240099091A1

公开(公告)日：2024-03-21

申请号：US18314192

申请日：2023-05-09

Applicant: Samsung Display Co., LTD.

Inventor： HYUNEOK SHIN ,  JOONYONG PARK ,  JUHYUN LEE

IPC: H10K59/35 ,  H10K59/80 ,  H10K71/20

CPC classification number: H10K59/353 ,  H10K59/80517 ,  H10K71/231 ,  H10K2102/351

Abstract: A display device includes a first sub-pixel area and a second sub-pixel area, a first pixel electrode in the first sub-pixel area and including a sequentially stacked a first conductive layer including a metal material and a second conductive layer including tungsten oxide, a second pixel electrode in the second sub-pixel area and including a third conductive layer, the third conductive layer and the first conductive layer including a same material and a fourth conductive layer, the fourth conductive layer and the second conductive layer including a same material, a thickness compensation pattern on the second pixel electrode and including a sequentially stacked first thickness compensation layer including a first transparent conductive oxide and a sequentially stacked second thickness compensation layer including a second transparent conductive oxide, a first light emitting layer on the first pixel electrode, and a second light emitting layer on the thickness compensation pattern.

公开(公告)号：US20230309348A1

公开(公告)日：2023-09-28

申请号：US18076480

申请日：2022-12-07

Applicant: Samsung Display Co., LTD.

Inventor： SUNGJOO KWON ,  JOONYONG PARK ,  SUBIN BAE ,  HYUNAH SUNG ,  HYUNEOK SHIN ,  DONGMIN LEE ,  JUHYUN LEE ,  YU-GWANG JEONG ,  SUNGWON CHO

IPC: H10K59/123 ,  H10K59/88 ,  H10K59/122 ,  H10K50/844 ,  H10K71/00

CPC classification number: H01L27/3248 ,  H01L27/3223 ,  H01L27/3246 ,  H01L51/5253 ,  H01L51/56 ,  H01L2227/323

Abstract: A display device includes a transistor disposed on a substrate, an organic layer disposed on the transistor and defining grooves, a first pixel electrode disposed on the organic layer, electrically connected to the transistor, and including a pixel metal layer and a pixel protective layer, the pixel protective layer including at least one of an oxide and a halide and surrounding the pixel metal layer, and a dummy electrode disposed on the organic layer, spaced apart from the transistor, and including a dummy metal layer and a dummy protective layer, the dummy protective layer including at least one of an oxide and a halide and surrounding the dummy metal layer.

公开(公告)号：US20210318564A1

公开(公告)日：2021-10-14

申请号：US17105360

申请日：2020-11-25

Applicant: Samsung Display Co., Ltd.

Inventor： GYUNGMIN BAEK ,  HYUNEOK SHIN ,  JUHYUN LEE

IPC: G02F1/1368 ,  G02F1/1362 ,  H01L27/12

Abstract: A display device includes a base layer, a pixel disposed on the base layer and including a thin film transistor, and a signal line connected to the pixel. The signal line includes a metal layer and a capping layer disposed on the metal layer, including molybdenum and tantalum. The metal layer has a first light reflectance, and the capping layer has a second light reflectance that is lower than the first light reflectance of the metal layer. The capping layer includes a tip protruding from a sidewall of the metal layer, and the tip protrudes more than a contact point at which the sidewall of the metal layer contacts with the base layer when viewed in a plane. The display device has an improved external light reflection characteristic and an enhanced display quality.