公开(公告)号：US12218278B2

公开(公告)日：2025-02-04

申请号：US17444460

申请日：2021-08-04

Applicant: Samsung Display Co., Ltd.

Inventor： Mun Soo Park ,  Dong Woo Kim ,  Jong Hwan Park

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/24 ,  G09G3/32

Abstract: Some embodiments of the present disclosure provide a display device including a base layer, a first electrode and a second electrode extending along a first direction on the base layer, and spaced apart from each other in a second direction crossing the first direction, and light emitting elements at least partially overlapping the first electrode and at least partially overlapping the second electrode, wherein at least one of the first electrode and the second electrode includes a concavo-convex portion in which at least a portion of one of the light emitting elements overlaps with respect to a third direction that is perpendicular to the first direction and to the second direction.

公开(公告)号：US11996053B2

公开(公告)日：2024-05-28

申请号：US18049274

申请日：2022-10-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hyun Park ,  Dong Woo Kim ,  An Su Lee ,  Kang Moon Jo

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2310/08

Abstract: There are provided a gate driver and a display device including the same. The gate driver includes: a first scan driver; a first sensing driver; a first scan clock line; and a first sensing clock line. The first scan clock line includes a first scan clock main line extending in one direction, and a first scan clock connection line connected to the first scan clock main line and the first scan driver. The first sensing clock line includes a first sensing clock main line extending in one direction, and a first sensing clock connection line connected to the first sensing clock main line and the first sensing driver. The first scan clock main line is closer to each of the first scan driver and the first sensing driver than the first sensing clock main line.

公开(公告)号：US11723241B2

公开(公告)日：2023-08-08

申请号：US16869673

申请日：2020-05-08

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Hyun Park ,  Dong Woo Kim ,  Sung Jae Moon ,  Kang Moon Jo

IPC: H10K59/131 ,  H01L49/02 ,  H10K59/35 ,  H10K59/123 ,  H10K59/121

CPC classification number: H10K59/131 ,  H01L28/60 ,  H10K59/123 ,  H10K59/1216 ,  H10K59/35

Abstract: The present disclosure relates to a display device, and the display device according to an exemplary embodiment of the present inventive concept includes: a first pixel circuit portion including at least one transistor; a second pixel circuit portion including at least one transistor; a first pixel electrode electrically connected to the first pixel circuit portion; a second pixel electrode electrically connected to the second pixel circuit portion; a first data line electrically connected to the first pixel circuit portion; and a second data line electrically connected to the second pixel circuit portion, wherein the first data line and the second data line are arranged adjacent to each other along a first direction, and the second pixel electrode overlaps the first data line and the second data line in a plan view.

公开(公告)号：US11631365B2

公开(公告)日：2023-04-18

申请号：US17148369

申请日：2021-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Woo Kim ,  Min Kyu Woo

IPC: G09G3/325 ,  G09G3/32 ,  H01L27/12 ,  H01L29/786

Abstract: A display device including: a first power line; a second power line; a data line; a first scan line; a second scan line; a light emitting element connected between the first power line and a first node; a first transistor connected between the first node and the second power line and including a gate electrode connected to a second node; a second transistor connected between the data line and the second node and including a gate electrode connected to the first scan line; and a fourth transistor connected between the first power line and the first node and including a gate electrode connected to the second scan line.

公开(公告)号：US11348530B2

公开(公告)日：2022-05-31

申请号：US16707994

申请日：2019-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： Yang Hwa Choi ,  Jun Hyun Park ,  Dong Woo Kim ,  Kang Moon Jo ,  Sung Jae Moon ,  An Su Lee ,  Woong Sik Choi

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

Abstract: A stage of a scan driver includes: a first driving controller for controlling a voltage of a first node and a voltage of a second node; a second driving controller for controlling a voltage of a first driving node, based on a sensing-on signal, a next carry signal, a first control clock signal, a second control clock signal, the voltage of the first node, and a voltage of a sampling node, and controlling a voltage of a second driving node, based on the voltage of the sampling node and the voltage of the first driving node; an output buffer for outputting a carry signal, the first scan signal, and the second scan signal; and a coupling controller. The second driving controller maintains the voltage of the first driving node as a gate-off voltage in response to the voltage of the second driving node and a third control clock signal.

公开(公告)号：US11227843B2

公开(公告)日：2022-01-18

申请号：US16821691

申请日：2020-03-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hyun Park ,  An Su Lee ,  Dong Woo Kim ,  Sung Jae Moon ,  Kang Moon Jo

IPC: H01L51/52 ,  H01L23/60 ,  H01L27/32 ,  H01L51/56

Abstract: A display device includes a substrate that includes a display area and a non-display area. A driver is disposed in the non-display area, and includes a driver circuit including a transistor and a driver control line transmitting a control signal to the driver circuit. A static electricity blocking line is disposed in the non-display area and circumscribes the display area. The static electricity blocking line at least partially overlaps the driver.

公开(公告)号：US11199573B2

公开(公告)日：2021-12-14

申请号：US16851590

申请日：2020-04-17

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Hyun Park ,  Dong Woo Kim ,  An Su Lee ,  Kang Moon Jo

IPC: G01R31/28 ,  G01R31/56 ,  G09G3/00 ,  G09G3/3266

Abstract: A display panel includes: a pixel region comprising a plurality of pixels; an open/short test region comprising a plurality of open/short test pads; a dummy stage configured to generate a carry signal in response to a scan start signal; and a plurality of stages configured to sequentially provide a plurality of scan signals to the plurality of pixels in response to the carry signal, wherein the plurality of stages is spaced apart by a first distance from the pixel region, and the dummy stage is spaced apart by a second distance greater than the first distance from the open/short test region.

公开(公告)号：US11177333B2

公开(公告)日：2021-11-16

申请号：US16735962

申请日：2020-01-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hyun Park ,  Dong Woo Kim ,  Sung Jae Moon ,  Kang Moon Jo

IPC: H01L29/12 ,  H01L27/32

Abstract: A display device having high resolution includes: a first conductive layer, an active pattern, second to fourth conductive layers, and a pixel electrode sequentially formed on a substrate, with first to fourth insulating layers separately interposed therebetween, the first conductive layer including a lower pattern, the active pattern including a source region, a channel region, and a drain region, the second conductive layer including a gate electrode overlapping the channel region and a driving gate electrode connected to the gate electrode, the third conductive layer including a capacitor electrode overlapping the driving gate electrode, the fourth conductive layer including an additional capacitor electrode overlapping the capacitor electrode. The driving gate electrode and the capacitor electrode may form a storage capacitor, the pixel electrode and the additional capacitor electrode may form a first additional capacitor, and the capacitor electrode and the additional capacitor electrode may form a second additional capacitor.

公开(公告)号：US11024227B2

公开(公告)日：2021-06-01

申请号：US16709234

申请日：2019-12-10

Applicant: Samsung Display Co., Ltd.

Inventor： Chong Chul Chai ,  Dong Woo Kim ,  Kyoung Ju Shin ,  Bo Yong Chung

IPC: G09G3/3233 ,  G09G3/3258 ,  H01L27/12 ,  H01L29/786 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/36

Abstract: A pixel includes a plurality of transistors, a storage capacitor, and an organic light emitting diode. A first transistor controls the amount of current from a first driving power source to the organic light emitting diode based on a data voltage. A second transistor is connected to a data line and is turned on based on a scan signal. A third transistor coupled to the first transistor and is turned on based on the scan signal. A first stabilizing transistor is coupled to the third transistor or between the first and third transistors and is turned off when the third transistor is turned off.

公开(公告)号：US20200185489A1

公开(公告)日：2020-06-11

申请号：US16596952

申请日：2019-10-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： KANG MOON JO ,  Dong Woo Kim ,  Sung Jae Moon ,  Jun Hyun Park ,  An Su Lee

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device including: a substrate; an active layer disposed on the substrate and including active patterns; a first conductive layer disposed on the active layer; a second conductive layer disposed on the first conductive layer and including a data line; a third conductive layer disposed on the second conductive layer; and a light-emitting element disposed on the third conductive layer, wherein the first conductive layer includes a scan line, a first voltage line, and a second voltage line, the third conductive layer includes a third voltage line connected to the first voltage line and a fourth voltage line connected to the second voltage line, the first voltage line and the second voltage line extend in a first direction, the third voltage line and the fourth voltage line extend in a second direction, and the third voltage line and the fourth voltage line are alternately arranged in the first direction.