公开(公告)号：US12243877B2

公开(公告)日：2025-03-04

申请号：US17578210

申请日：2022-01-18

Applicant: Samsung Display Co., LTD.

Inventor： Se Hyun Lee ,  Dong Woo Kim ,  Min Gyeong Shin ,  Hak Sun Chang

IPC: H01L27/12 ,  H01L23/00 ,  H01L25/16

Abstract: A display device and a method of fabricating a display device are provided. A display device includes: a first electrode and a second electrode on a substrate and spaced apart from each other; a third electrode on the substrate; and a first light emitting element between the first electrode and the second electrode. The first electrode, the second electrode, and the third electrode may be arranged on a same layer. The third electrode may be electrically separated from the first electrode and the second electrode.

公开(公告)号：US12243488B2

公开(公告)日：2025-03-04

申请号：US18490420

申请日：2023-10-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Woo Kim ,  Kwi Hyun Kim ,  Yeon Kyung Kim

IPC: G09G3/3258 ,  G09G3/32 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

Abstract: A pixel includes a light emitting element, a first transistor including an electrode connected to a first power source line via a first node, another electrode connected to a second power source line via a second node and the light emitting element, and another electrode connected to a third node. The pixel further includes a second transistor connected between a data line and the second node and having a gate electrode connected to a scan line, a third transistor connected between the first node and the third node and having a gate electrode connected to the scan line, a fourth transistor connected between the first power source line and the first node and having a gate electrode connected to an emission control line, a first capacitor connected between the second node and the third node, and a second capacitor connected between a third power source line and the third node.

公开(公告)号：US12217686B2

公开(公告)日：2025-02-04

申请号：US18473549

申请日：2023-09-25

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：US11871627B2

公开(公告)日：2024-01-09

申请号：US17532732

申请日：2021-11-22

Applicant: Samsung Display Co., LTD.

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

IPC: H01L29/12 ,  H10K59/131 ,  H10K59/121 ,  H01L27/12

CPC classification number: H10K59/131 ,  H10K59/1213 ,  H10K59/1216 ,  H01L27/124

Abstract: A display device includes: a substrate; a first conductive layer including a lower pattern disposed on the substrate; an active layer including a first active pattern disposed on the first conductive layer; and a second conductive layer including a first gate electrode disposed on the active layer, wherein the first gate electrode overlaps a first channel region included in the first active pattern, the lower pattern overlaps the first active pattern, and the first active pattern does not cross an edge of the lower pattern.

公开(公告)号：US11769451B2

公开(公告)日：2023-09-26

申请号：US17318564

申请日：2021-05-12

Applicant: Samsung Display Co., Ltd.

Inventor： Chong Chui 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

CPC classification number: G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3648 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/0216 ,  G09G2310/08 ,  G09G2320/0214 ,  G09G2320/045 ,  G09G2320/0626 ,  G09G2330/023 ,  H01L27/1225 ,  H01L29/7869 ,  H01L29/78672

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：US11508796B2

公开(公告)日：2022-11-22

申请号：US16886075

申请日：2020-05-28

Applicant: Samsung Display Co., LTD.

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

IPC: H01L27/32

Abstract: A display device including a substrate including a display area and an opening area therein, a data conductive layer on the substrate and including a source electrode and a voltage wiring in the opening area, a protective layer on the data conductive layer and covering the source electrode and the voltage wiring, a pixel electrode layer including a pixel electrode connected to the source electrode through a first contact hole, and an electrode pattern connected to the voltage wiring through a second contact hole, a pixel defining layer including an opening exposing the pixel electrode and a hole exposing the electrode pattern, a light emitting layer on the pixel defining layer and a common electrode on the light emitting layer, wherein the hole does not overlap the first and second contact holes.

公开(公告)号：US11430849B2

公开(公告)日：2022-08-30

申请号：US17206932

申请日：2021-03-19

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L27/32 ,  H01L27/12 ,  G09G3/3233 ,  H01L29/786 ,  G09G3/3291 ,  G09G3/3266

Abstract: According to an exemplary embodiment, an organic light emitting diode display includes: a substrate; a semiconductor layer; a first gate insulating layer disposed on the oxide semiconductor layer; a first gate layer disposed on the first gate insulating layer; a first interlayer insulating layer disposed on the first gate layer; a first data layer disposed on the first interlayer insulating layer; a second interlayer insulating layer disposed on the first data layer; a driving voltage line and a driving low voltage line disposed on the second interlayer insulating layer and separated from each other; an upper insulating layer covering the driving voltage line and the driving low voltage line; and an anode disposed on the upper insulating layer and overlapping the driving voltage line or the driving low voltage line.

公开(公告)号：US11387306B2

公开(公告)日：2022-07-12

申请号：US16815778

申请日：2020-03-11

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L27/32 ,  G09G3/3266 ,  H01L27/02

Abstract: A display device may include a substrate including a display area and a non-display area, pixels provided in the display area and each pixel including a pixel transistor and a light emitting element connected to the pixel transistor, a first driver provided in the non-display area and configured to provide a scan signal to the pixel, a scan line configured to transfer the scan signal to the pixel, a first fan-out line provided in the non-display area and connected to the scan line, and a first electrostatic discharge portion provided in the non-display area and located between the first fan-out line and the scan line. The first electrostatic discharge portion may include a bottom metal layer disposed on the substrate and a transistor disposed on and electrically connected to the bottom metal layer.

公开(公告)号：US10074305B2

公开(公告)日：2018-09-11

申请号：US15232698

申请日：2016-08-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yang Hwa Choi ,  Keum Nam Kim ,  Dong Woo Kim

IPC: G09G3/30 ,  G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0465 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0238

Abstract: A pixel includes a driving transistor including a gate connected to a first node, a first electrode connected to a second node, and a second electrode connected to an OLED, a first transistor configured to receive a first emission control signal and connected between a first power source and the second node, a second transistor configured to receive a scan signal and connected between the first and second nodes, a third transistor configured to receive the scan signal and including a first electrode configured to receive a data voltage, and a second electrode connected to a third node, a fourth transistor configured to receive a second emission control signal and connected between the third node and the OLED, a fifth transistor configured to receive the scan signal and connected between the OLED and an initializing power source, and a storage capacitor connected between the first node and the third node.

公开(公告)号：US09888582B2

公开(公告)日：2018-02-06

申请号：US14842338

申请日：2015-09-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kang Moon Jo ,  Se Hyoung Cho ,  Kyung-Hoon Kim ,  Dong Woo Kim ,  Il Gon Kim

IPC: H05K1/00 ,  H05K3/36 ,  H05K1/11 ,  H05K3/32

CPC classification number: H05K3/361 ,  H05K1/118 ,  H05K3/323 ,  H05K2201/09063 ,  H05K2201/09172 ,  H05K2201/09418 ,  H05K2201/10128

Abstract: A display device including a flexible substrate that includes a display part to display an image; a driving integrated chip (IC) that supplies a driving voltage to the display part; a flexible printed circuit (FPC) attached to an outer side portion of the substrate; and a printed circuit board (PCB) attached to the FPC, the PCB transferring the driving voltage to the driving IC through the FPC, wherein the FPC includes attachment parts at ends thereof, the attachment parts of the FPC being attached to pad parts at the outer side portion of the substrate and to pad parts of the PCB, and the attachment parts include slits therein.