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.

公开(公告)号：US20230206857A1

公开(公告)日：2023-06-29

申请号：US17981778

申请日：2022-11-07

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G3/3275 ,  G09G3/3266

CPC classification number: G09G3/3275 ,  G09G3/3266 ,  G09G2300/0452 ,  G09G2310/0272

Abstract: A display panel includes a first display area and a second display area. A plurality of base pixel parts are disposed in the second display area, and each base pixel part includes “k” first color light emitting elements. A controller receives image signals, and the image signals include first image signals corresponding to the first display area and second image signals corresponding to the second display area. The second image signals are divided into a plurality of base signal parts respectively corresponding to the plurality of base pixel parts, and each base signal part includes “m*n” first color image signals. The controller generates color image data by rendering “p” color image signals of “m*n” color image signals included in a corresponding base signal part and “(m*n)−p” referenced image signals included in a referenced signal part adjacent to the corresponding base signal part.

公开(公告)号：US20240373680A1

公开(公告)日：2024-11-07

申请号：US18608667

申请日：2024-03-18

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：US20240290267A1

公开(公告)日：2024-08-29

申请号：US18585373

申请日：2024-02-23

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2320/0257

Abstract: A display device including a base layer, a plurality of voltage lines and a transistor that are disposed on the base layer, a light emitting element electrically connected to the transistor and including a cathode, and a connection wiring line electrically connected to the light emitting element and including a first connection part spaced apart from a light emitting opening defined in the light emitting element, and a second connection part electrically connected to the transistor. The first connection part overlaps some of the plurality of voltage lines in plan view.

公开(公告)号：US20240237441A9

公开(公告)日：2024-07-11

申请号：US18489076

申请日：2023-10-18

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：US20240233649A9

公开(公告)日：2024-07-11

申请号：US18490828

申请日：2023-10-20

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G3/3258 ,  H10K59/122 ,  H10K59/124 ,  H10K59/131

CPC classification number: G09G3/3258 ,  H10K59/122 ,  H10K59/124 ,  H10K59/131 ,  G09G2320/043 ,  G09G2340/0457

Abstract: A display panel includes a transistor, a light emitting device electrically connected to the transistor, a connection wiring electrically connecting the transistor to the light emitting device and including side surfaces, a capping pattern disposed on the transistor and contacting at least a side surface among side surfaces, an upper insulating layer disposed on the transistor and including a first opening that overlaps the at least the side surface, and a pixel definition layer disposed on the upper insulating layer and covering the first opening of the upper insulating layer.

公开(公告)号：US20240138216A1

公开(公告)日：2024-04-25

申请号：US18490900

申请日：2023-10-19

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K59/131 ,  H10K59/121

CPC classification number: H10K59/131 ,  H10K59/1213

Abstract: A display panel includes first, second, and third emitting parts arranged along a first direction, first, second, and third transistors spaced apart from the first, second, and third emitting parts, and arranged along the first direction, and first, second, and third connection wirings each extending along the first direction and connecting the first, second, and third emitting parts to the first, second, and third transistors. The first, second, and third connection wirings include first, second, and third emission connection parts each connected to a corresponding emitting part, and first, second, and third driver connection parts each connected to a corresponding transistor. An arrangement order of the first, second, and third emission connection parts arranged in the first direction and an arrangement order of the first, second, and third driver connection parts arranged in the first direction are same as each other.

公开(公告)号：US20240138200A1

公开(公告)日：2024-04-25

申请号：US18489979

申请日：2023-10-18

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K59/122 ,  H10K50/822 ,  H10K50/844 ,  H10K59/131

CPC classification number: H10K59/122 ,  H10K50/822 ,  H10K50/844 ,  H10K59/131

Abstract: A display device includes a display panel including a first region, a second region, and a third region. The display panel includes a plurality of light emitting devices disposed in the first electrode, and each including a first electrode, an intermediate layer disposed on the first electrode, and a second electrode disposed on the intermediate layer, a separator including a pixel boundary portion disposed in the first region, a peripheral partition portion disposed in the second region, and a peripheral boundary portion disposed in the first region and the third region, and a plurality conductive pattern layers disposed in the second region. A plurality of second electrodes of the plurality of light emitting devices are electrically separated by the pixel boundary portion, and the plurality of conductive pattern layers are electrically separated by the peripheral partition portion.

公开(公告)号：US20240016032A1

公开(公告)日：2024-01-11

申请号：US18219103

申请日：2023-07-07

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K59/80 ,  H10K59/131 ,  H10K59/12

CPC classification number: H10K59/80521 ,  H10K59/131 ,  H10K59/1201

Abstract: Provided is a display panel and a manufacturing method of the same. The display panel includes a plurality of light emitting elements, a plurality of transistors respectively connected to the plurality of light emitting elements, and a plurality of connection lines respectively connecting the plurality of light emitting elements and the plurality of transistors, wherein each of the plurality of connection lines includes a first connection part connected to a corresponding light emitting element among the plurality of light emitting elements, and a second connection part connected to a corresponding transistor among the plurality of transistors, and wherein each of the plurality of light emitting elements includes a first electrode, an intermediate layer disposed on the first electrode, and a second electrode disposed on the intermediate layer, and the first electrodes included in the plurality of light emitting elements are connected to each other to provide an integral shape.