公开(公告)号：US11908872B2

公开(公告)日：2024-02-20

申请号：US17518230

申请日：2021-11-03

Applicant: Samsung Display Co., Ltd.

Inventor： Young Jin Cho ,  Ji Su Na ,  Yang Wan Kim

IPC: H01L27/12

CPC classification number: H01L27/124 ,  H01L27/1225 ,  H01L27/1248

Abstract: A display device includes: a substrate; a first scan line arranged along a first direction on the substrate; a shield electrode overlapping a part of the first scan line in a direction that is perpendicular to a plane of the substrate; a second connection electrode on the shield electrode; and a data line arranged along a second direction on the second connection electrode, and connected with the second connection electrode, wherein the shield electrode overlapping the first scan line and the second connection electrode in a direction that is perpendicular to a plane of the substrate.

公开(公告)号：US11756485B2

公开(公告)日：2023-09-12

申请号：US17712575

申请日：2022-04-04

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Su Na

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3275

CPC classification number: G09G3/3258 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0426 ,  G09G2310/08

Abstract: An emission driver includes stages outputting an emission control signal. At least one of the stages includes an input circuit controlling voltages of a first node and a second node, an output circuit supplying a voltage of first power or a voltage of second power to an output terminal as the emission control signal in response to a voltage of a third node and a voltage of a fourth node, a first signal processor controlling the voltage of the fourth node, a second signal processor controlling the voltage of the fourth node, and a third signal processor controlling the voltage of the third node electrically connected to the first node in response to signals supplied to the second input terminal and the third input terminal and the voltage of the first node.

公开(公告)号：US11610546B2

公开(公告)日：2023-03-21

申请号：US17525136

申请日：2021-11-12

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Su Na ,  Joong-Soo Moon ,  Chae Han Hyun ,  Yang Wan Kim

IPC: G09G3/325 ,  G09G3/3266 ,  G09G3/3291

Abstract: An organic light emitting diode (“OLED”) display includes a semiconductor layer on a substrate, first and second signal lines on the semiconductor layer, a shield layer on the first and second signal lines, a data line on the shield layer, and an OLED on the data line, where the transistor includes a driving transistor, a second transistor connected to the first signal line and the data line, and a third transistor including a gate electrode connected to the first signal line, a third electrode connected to a second electrode of the driving transistor, and a fourth electrode connected to a gate electrode of the driving transistor, the shield layer includes an overlapped portion overlapping at least a part of the connection portion and non-overlaps the second transistor, and the shield layer is separated from the first and second signal lines with a gap therebetween in a plan view.

公开(公告)号：US11205374B2

公开(公告)日：2021-12-21

申请号：US16893371

申请日：2020-06-04

Applicant: Samsung Display Co., LTD.

Inventor： Ji Su Na ,  Yang Wan Kim ,  Joong Soo Moon ,  Young Jin Cho

IPC: G09G3/32

Abstract: A stage in an emission control driver of a display device includes an input unit to control a voltage of a first node and a second node in response to a first input signal supplied from a first input terminal and a second input signal supplied from a second input terminal, respectively; a first controller to control a voltage of a third node and a fourth node in response to a third input signal supplied from a third input terminal and the voltage of the second node; a second controller to control the voltage of the fourth node in response to the voltage of the first node; and an output unit to supply a voltage of a first power supply or a second power supply to an output terminal in response to the voltage of the third node or the voltage of the fourth node. The first controller includes a first transistor and a second transistor connected between the first power supply and the third node; and a third transistor connected between the first node and the third node, the first transistor being turned on in response to the voltage of the second power supply.

公开(公告)号：US11176883B2

公开(公告)日：2021-11-16

申请号：US16697168

申请日：2019-11-26

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Su Na ,  Joong-Soo Moon ,  Chae Han Hyun ,  Yang Wan Kim

IPC: G09G3/325 ,  G09G3/3266 ,  G09G3/3291

Abstract: An organic light emitting diode (“OLED”) display includes a semiconductor layer on a substrate, first and second signal lines on the semiconductor layer, a shield layer on the first and second signal lines, a data line on the shield layer, and an OLED on the data line, where the transistor includes a driving transistor, a second transistor connected to the first signal line and the data line, and a third transistor including a gate electrode connected to the first signal line, a third electrode connected to a second electrode of the driving transistor, and a fourth electrode connected to a gate electrode of the driving transistor, the shield layer includes an overlapped portion overlapping at least a part of the connection portion and non-overlaps the second transistor, and the shield layer is separated from the first and second signal lines with a gap therebetween in a plan view.

公开(公告)号：US20210225282A1

公开(公告)日：2021-07-22

申请号：US17124356

申请日：2020-12-16

Applicant: Samsung Display Co., Ltd.

Inventor： Young Jin Cho ,  Ji Su Na ,  Yang Wan Kim

IPC: G09G3/3233

Abstract: A display device includes a plurality of pixels. A pixel includes an organic light emitting diode and a pixel circuit including a first transistor that includes a gate electrode connected with a first node, a first electrode connected with a second node, and a second electrode connected with a third node; a second transistor that includes a gate electrode connected with a first gate line, a first electrode connected with a data line, and a second electrode connected with the second node; a third transistor that includes a gate electrode connected with a third gate line, a first electrode connected with the third node, and a second electrode connected with the first node; and a fourth transistor that includes a gate electrode connected with a second gate line, a first electrode connected with the third gate line, and a second electrode connected with the first node.

公开(公告)号：US09985083B2

公开(公告)日：2018-05-29

申请号：US15628198

申请日：2017-06-20

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Su Na

IPC: H01L27/32 ,  H01L51/56 ,  H01L27/12

CPC classification number: H01L27/3262 ,  H01L27/124 ,  H01L27/3213 ,  H01L27/3246 ,  H01L27/3248 ,  H01L27/3265 ,  H01L51/56

Abstract: Provided are an organic light emitting display device and method for manufacturing the same. According to an aspect of the present inventive concept, an organic light emitting display device including: a substrate; a common power line, a first drain electrode, and a second drain electrode each disposed on the substrate; a semiconductor pattern layer connected to the common power line and the second drain electrode; a gate electrode overlapping the semiconductor pattern layer; and an anode electrode connected to the second drain electrode. The semiconductor pattern layer, the gate electrode and the first drain electrode all overlap.

公开(公告)号：US12062308B2

公开(公告)日：2024-08-13

申请号：US18462105

申请日：2023-09-06

Applicant: Samsung Display Co., LTD.

Inventor： Won Mi Hwang ,  Ji Su Na ,  Su Mi Jang

IPC: G09G5/00 ,  G09G3/00 ,  G09G3/32

CPC classification number: G09G3/006 ,  G09G3/32 ,  G09G2310/0275 ,  G09G2310/0297 ,  G09G2330/12

Abstract: A display device includes a substrate, a circuit layer, a light emitting element layer, and a display driving circuit. The circuit layer comprises demux circuit units side by side in a demux area of a non-display area of the substrate and electrically connected between data lines and the display driving circuit, test signal supply lines in the non-display area and transmitting test signals for testing the lighting state of light emitting elements of the light emitting element layer, and test pad connection lines respectively electrically connected to test signal pads in the sub-area and extending to the non-display area. The test signal supply lines are electrically connected to the test pad connection lines through test line connection contact holes, respectively. The test line connection contact holes are in a test connection area which is a part of the demux area adjacent to the sub-area.

公开(公告)号：US12058904B2

公开(公告)日：2024-08-06

申请号：US17326245

申请日：2021-05-20

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Su Na ,  Won Kyu Kwak ,  Yang Wan Kim ,  Young Jin Cho

IPC: H10K59/131 ,  H10K59/35

CPC classification number: H10K59/131 ,  H10K59/353

Abstract: Provided is a display device which comprises a substrate, a plurality of pixels disposed on the substrate, a first initialization voltage line disposed on the substrate along a first direction, and a second initialization voltage line disposed on a different layer from the first initialization voltage line, wherein the second initialization voltage line may include a horizontal portion disposed along the first direction and a vertical portion disposed along a second direction crossing the first direction, and the vertical portion may be disposed between a plurality of pixels adjacent to each other in the first direction.

公开(公告)号：US12010882B2

公开(公告)日：2024-06-11

申请号：US16917669

申请日：2020-06-30

Applicant: Samsung Display Co., Ltd.

Inventor： Young Jin Cho ,  Ji Su Na ,  Joong Soo Moon ,  Yang Wan Kim ,  Chang Kyu Jin

IPC: H10K59/131 ,  H01L27/12 ,  H01L29/786 ,  H10K59/124 ,  H10K59/126

CPC classification number: H10K59/131 ,  H01L27/1237 ,  H01L27/124 ,  H01L29/78672 ,  H10K59/124 ,  H10K59/126

Abstract: A display device includes a signal line extending in a first direction, a first transistor configured to control a driving current, a light-emitting element electrically coupled to a second electrode of the first transistor, a second transistor electrically coupled to a first electrode of the first transistor and configured to transfer a data voltage, a first scan line electrically coupled to a gate electrode of the second transistor and extending in the first direction, a third transistor including a first electrode electrically coupled to the second electrode of the first transistor and a second electrode electrically coupled to a gate electrode of the first transistor and a second scan line electrically coupled to a gate electrode of the third transistor and extending in the first direction, wherein the second scan line overlaps one selected from among the signal line and the first scan line.