公开(公告)号：US20250048875A1

公开(公告)日：2025-02-06

申请号：US18922974

申请日：2024-10-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SUNHEE LEE ,  SUNHO KIM ,  GUNHEE KIM ,  DONGHWAN SHIM ,  TAEHOON YANG ,  CHOELMIN JANG

IPC: H10K59/40 ,  H10K50/844

Abstract: A display device includes a display area and a peripheral area. A display layer includes a plurality of display elements arranged thereon. A thin-film encapsulation layer is arranged on the display layer and includes first, second, and third encapsulation layers. The second encapsulation layer is on the first encapsulation layer. The third encapsulation layer is on the second encapsulation layer. A touch sensing layer is arranged on the thin-film encapsulation layer and includes touch electrodes and trace lines. The display area is partially bent about an axis, and the third encapsulation layer is bent along the axis and has a structure in which a first layer and a second layer are alternately stacked. The first layer includes an inorganic insulating material, and the second layer includes a silicon carbon compound material.

公开(公告)号：US20240381701A1

公开(公告)日：2024-11-14

申请号：US18625458

申请日：2024-04-03

Applicant: Samsung Display Co., Ltd.

Inventor： JUCHAN PARK ,  SUNHO KIM ,  YOOMIN KO ,  Hyewon KIM ,  Yerim SON ,  CHUNG SOCK CHOI

IPC: H10K59/122 ,  H10K59/131 ,  H10K59/80

Abstract: A display device includes light emitting devices each including a first electrode, a second electrode, and an intermediate layer disposed between the first electrode and the second electrode and including a light emitting layer, a pixel definition layer provided with light emitting openings, each of the plurality of light emitting openings to overlap the light emitting layer of a corresponding one of the plurality of the light emitting devices, a separator disposed on the pixel definition layer and provided with division openings to respectively overlap the light emitting openings, and a spacer disposed on the pixel definition layer. The second electrode of each of the light emitting devices may be electrically separated from each other by the separator, and the spacer may overlap a portion of the separator in a plan view.

公开(公告)号：US20220013611A1

公开(公告)日：2022-01-13

申请号：US17316722

申请日：2021-05-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JUCHAN PARK ,  SUNHO KIM ,  JOOHEE JEON ,  SUNGJIN HONG ,  TAEHOON YANG

IPC: H01L27/32 ,  H01L27/15

Abstract: A display device includes: a window including a front area and a side area bent from the front area, the side area having a first curvature; and a display panel including a first display area facing the front area of the window and a second display area facing the side area of the window, the first display area including first, second, and third light emission areas, the second display area including the first, second, and third light emission areas. The second display area comprises an edge display area and a corner display area disposed at an end of the edge display area, and the first light emission area, the second light emission area, and the third light emission area of the corner display area are disposed in a stair shape along a curved edge of the corner display area.

公开(公告)号：US20190148476A1

公开(公告)日：2019-05-16

申请号：US16155391

申请日：2018-10-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JUCHAN PARK ,  SUNHO KIM ,  YOUNGGUG SEOL ,  SUNHEE LEE ,  JOOSUN YOON ,  JONGHYUK LEE ,  JONGHYUN CHOI

IPC: H01L27/32 ,  H01L27/12 ,  H01L51/52 ,  H01L51/00 ,  G09G3/3291 ,  G09G3/3266 ,  G09G3/3258

Abstract: A display device includes a substrate including a display area and a peripheral area disposed outside of the display area. The display area includes a plurality of pixels. The display device further includes an inorganic insulating layer disposed in the display area. The inorganic insulating layer includes a groove disposed in a region between the plurality of pixels. The display device further includes an organic material layer filling the groove, a first connection wiring, and a second connection wiring. The first connection wiring is disposed on the organic material layer, overlaps the plurality of pixels, and extends in a second direction. The second connection wiring is insulated from the first connection wiring, and extends in a first direction that crosses the second direction.

公开(公告)号：US20250081754A1

公开(公告)日：2025-03-06

申请号：US18952916

申请日：2024-11-19

Applicant: Samsung Display Co., Ltd.

Inventor： SUNHO KIM ,  YOOMIN KO ,  Hyewon KIM ,  JUCHAN PARK ,  PILSUK LEE ,  CHUNG SOCK CHOI ,  SUNGJIN HONG

IPC: H10K59/122 ,  H10K59/80

Abstract: A display device includes: a base layer; a light emitting element on the base layer, and including a first electrode, an intermediate layer on the first electrode, and a second electrode on the intermediate layer; a pixel definition film on the first electrode, and having a light emitting opening exposing a portion of the first electrode; a separator on the pixel definition film, and disconnecting the second electrode; and an encapsulation layer on the pixel definition film, and including: a first encapsulation layer including a first sub-layer covering the separator, a second sub-layer on the first sub-layer, and a third sub-layer on the second sub-layer; a second encapsulation layer on the first encapsulation layer, and including an organic material; and a third encapsulation layer on the second encapsulation layer, and including an inorganic material. At least one of the first sub-layer or the second sub-layer includes an organic material.

公开(公告)号：US20240237421A9

公开(公告)日：2024-07-11

申请号：US18491835

申请日：2023-10-23

Applicant: Samsung Display Co., Ltd.

Inventor： YOOMIN KO ,  JUCHAN PARK ,  SUNGJIN HONG ,  SUNHO KIM ,  Hyewon KIM ,  PILSUK LEE ,  CHUNG SOCK CHOI

IPC: H10K59/122 ,  H10K59/131

CPC classification number: H10K59/122 ,  H10K59/131

Abstract: Disclosed is a display panel including a first emitting part and a second emitting part spaced apart from each other. Each of the first and second emitting parts includes an separator and at least one emitting part. The separator includes a first isolation portion. The first isolation portion includes first portions spaced apart from each other and second portions, each of the second portions is bent from each of the first portions and is disposed between adjacent ones of the first portions.

公开(公告)号：US20240237420A9

公开(公告)日：2024-07-11

申请号：US18490814

申请日：2023-10-20

Applicant: Samsung Display Co., Ltd.

Inventor： SUNHO KIM ,  JUCHAN PARK ,  YOOMIN KO ,  HYEWON KIM ,  PILSUK LEE ,  CHUNG SOCK CHOI ,  SUNGJIN HONG

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/131 ,  H10K71/20

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/131 ,  H10K71/233 ,  H10K59/8792

Abstract: A display panel includes a transistor, a first insulation layer disposed on the transistor, a pixel definition layer disposed on the first insulation layer and having a light emitting opening and an opening pattern surrounding the light emitting opening, a light emitting element disposed on the first insulation layer and including a first electrode at least a portion of which is exposed by the light emitting opening and a second electrode which is electrically connected to the transistor, and a connection line disposed on the transistor and electrically connecting the transistor and the second electrode. A groove overlapping the opening pattern is defined in the first insulation layer, and a portion of the pixel definition layer protrudes from an edge of the first insulation layer defining the groove toward an inside of the opening pattern.

公开(公告)号：US20240138215A1

公开(公告)日：2024-04-25

申请号：US18489076

申请日：2023-10-17

Applicant: Samsung Display Co., Ltd.

Inventor： JUCHAN PARK ,  YOOMIN KO ,  SUNHO KIM ,  Hyewon KIM ,  JONGHEE PARK ,  PILSUK LEE ,  CHUNG SOCK CHOI ,  SUNGJIN HONG

IPC: H10K59/131 ,  H10K59/12

CPC classification number: H10K59/131 ,  H10K59/1201

Abstract: Provided is a method for manufacturing a display panel, the method includes forming a driving element layer including a transistor and a first insulation layer on a base layer; forming a contact-hole partially exposing the transistor; and providing a connection wiring electrically connected to the transistor through the contact-hole on the first insulation layer. The method includes forming a first tip portion by performing a primary etching on the connection wiring; providing the first tip portion exposed by the first open region as a second preliminary tip portion; and forming a second tip portion by performing a secondary etching on the second preliminary tip portion.

公开(公告)号：US20240112633A1

公开(公告)日：2024-04-04

申请号：US18474442

申请日：2023-09-26

Applicant: Samsung Display Co., Ltd.

Inventor： SUNGJIN HONG ,  SUNHO KIM ,  PILSUK LEE ,  YOOMIN KO ,  Hyewon KIM ,  JUCHAN PARK ,  CHUNG SOCK CHOI

IPC: G09G3/3233 ,  G09G3/20

CPC classification number: G09G3/3233 ,  G09G3/2007 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0257 ,  G09G2320/045

Abstract: A display device includes a display panel including a pixel, and a panel driver that drives the display panel. The pixel includes a light emitting device electrically connected to a first power line, a first transistor electrically connected to a cathode of the light emitting device and operating depending on a potential of a first node, a second transistor electrically connected between a data line and a second node, a third transistor electrically connected between a reference voltage line and the second node, a first capacitor electrically connected between the first node and the second node, a second capacitor electrically connected between a third node disposed between the first capacitor and the second node and the first power line, and a fourth transistor electrically connected between the first transistor and a compensation voltage line.

公开(公告)号：US20230351935A1

公开(公告)日：2023-11-02

申请号：US18119502

申请日：2023-03-09

Applicant: Samsung Display Co., LTD.

Inventor： SUNHO KIM ,  YOOMIN KO ,  JUCHAN PARK ,  PILSUK LEE

IPC: G09G3/20

CPC classification number: G09G3/20 ,  G09G3/2096 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2330/021 ,  G09G2320/045

Abstract: A pixel circuit includes a first transistor, a second transistor including a control electrode receiving a write gate signal generated based on clock signals having a duration of M horizontal time, M being a positive integer greater than or equal to 2, a first electrode receiving a data voltage, and a second electrode electrically connected to the first transistor, a third transistor including a control electrode receiving a compensation gate signal generated based on a first next write gate signal applied after the write gate signal is applied, a first and second electrodes electrically connected to the first transistor, and a fourth transistor including a control electrode receiving an initialization gate signal generated based on a previous write gate signal applied before the write gate signal is applied, a first electrode receiving a first initialization voltage, and a second electrode electrically connected to the first transistor.