公开(公告)号：US20230172020A1

公开(公告)日：2023-06-01

申请号：US18158750

申请日：2023-01-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Ae Park ,  Sun-Ja Kwon ,  Byung Sun Kim ,  Yang Wan Kim ,  Su Jin Lee ,  Jae Yong Lee

IPC: H10K59/131 ,  G09G3/3233 ,  H10K59/121 ,  H10K77/10

CPC classification number: H10K59/131 ,  G09G3/3233 ,  H10K59/1213 ,  H10K59/1216 ,  H10K77/111 ,  H01L29/45

Abstract: A display device includes a substrate including a display area and a peripheral area disposed around the display area. The peripheral area includes a bending region and a contact region adjacent to the bending region. A first connection line includes a first portion disposed in the contact region, and a second portion disposed in both the bending region and the contact region, and including a first layer and a second layer. At least part of the second layer of the second portion overlaps the first layer of the second portion. In the contact region, the first layer of the second portion is electrically connected to the first portion, and the second layer of the second portion is electrically connected to the first layer of the second portion.

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：US11568817B2

公开(公告)日：2023-01-31

申请号：US17692562

申请日：2022-03-11

Applicant: Samsung Display Co., Ltd.

Inventor： Hyung Jun Park ,  Yang Wan Kim ,  Byung Sun Kim ,  Su Jin Lee ,  Jae Yong Lee

IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/20

Abstract: A display device includes first and second initialization voltage sources and first and second pixel circuits. The first initialization voltage source provides a first initialization voltage. The second initialization voltage source provides a second initialization voltage less than the first initialization voltage. The first pixel circuit includes a first organic light emitting diode. The second pixel circuit includes a second organic light emitting diode with an organic material having a band gap different from a band gap of an organic material in the first organic light emitting diode. The first pixel circuit is coupled to the first initialization voltage source and the second initialization voltage source. The second pixel circuit is coupled to a single initialization voltage source.

公开(公告)号：US11563075B2

公开(公告)日：2023-01-24

申请号：US17108586

申请日：2020-12-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Ae Park ,  Sun-Ja Kwon ,  Byung Sun Kim ,  Yang Wan Kim ,  Su Jin Lee ,  Jae Yong Lee

IPC: H01L27/00 ,  H01L27/32 ,  G09G3/3233 ,  H01L51/00 ,  H01L29/45 ,  H01L29/49 ,  H01L49/02 ,  H01L27/12 ,  H01L51/52

Abstract: A display device includes a substrate including a display area and a peripheral area disposed around the display area. The peripheral area includes a bending region and a contact region adjacent to the bending region. A first connection line includes a first portion disposed in the contact region, and a second portion disposed in both the bending region and the contact region, and including a first layer and a second layer. At least part of the second layer of the second portion overlaps the first layer of the second portion. In the contact region, the first layer of the second portion is electrically connected to the first portion, and the second layer of the second portion is electrically connected to the first layer of the second portion.

公开(公告)号：US20220310765A1

公开(公告)日：2022-09-29

申请号：US17806727

申请日：2022-06-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yang Wan Kim ,  Byung Sun Kim ,  Jae Yong Lee ,  Chung Yi ,  Hyung Jun Park ,  Su Jin Lee

IPC: H01L27/32

Abstract: A display device includes a substrate including a pixel region and a peripheral region. A plurality of pixels is disposed in the pixel region of the substrate. Each of the plurality of pixels includes a light emitting element. Data lines and scan lines are connected to each of the plurality of pixels. A power line is configured to supply power to the plurality of pixels. The power line includes a plurality of first conductive lines and a plurality of second conductive lines intersecting the plurality of first conductive lines. The plurality of second conductive lines is arranged in a region between adjacent light emitting elements of the plurality of pixels. At least some of the plurality of second conductive lines extend in a direction oblique to a direction of extension of the data lines or the scan lines.

公开(公告)号：US11342361B2

公开(公告)日：2022-05-24

申请号：US16994911

申请日：2020-08-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yang Wan Kim ,  Sun Ja Kwon ,  Byung Sun Kim ,  Hyun Ae Park ,  Su Jin Lee ,  Jae Yong Lee

IPC: H01L27/12 ,  H01L27/32

Abstract: A display device includes a substrate including a pixel area and a peripheral area located outside the pixel area; pixels located in the pixel area; power supply lines configured to provide an operating power to the pixels; and a plurality of data fanout wires configured to provide data signals to the pixels, wherein, in at least a portion of the peripheral area, the power supply lines and the plurality of data fanout wires are arranged on a same layer.

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：US11164514B2

公开(公告)日：2021-11-02

申请号：US16884578

申请日：2020-05-27

Applicant: Samsung Display Co., LTD.

Inventor： Young Jin Cho ,  Min Woo Byun ,  Joong Soo Moon ,  Yang Wan Kim ,  Han Sol Kim

IPC: G09G5/00 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3275

Abstract: A display device includes a substrate including a pixel area including a pixel; a peripheral area adjacent to the pixel area; and a boundary between the pixel area and the peripheral area, the boundary comprising a rounded corner; a data driver in the peripheral area; a data line through which a data signal is provided from the data driver to the pixel; and an initialization voltage source in the peripheral area and connected to the pixel, the initialization voltage source extended along the rounded corner of the boundary between the pixel area and the peripheral area. Along the rounded corner of the boundary, the initialization voltage source overlaps the data line along a thickness direction.

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.