公开(公告)号：US10937364B2

公开(公告)日：2021-03-02

申请号：US16597771

申请日：2019-10-09

Applicant: Samsung Display Co., Ltd.

Inventor： Young Wan Seo ,  Min Kyu Woo ,  Cheol Gon Lee ,  Mee Hye Jung

IPC: G09G3/3233

Abstract: A display device includes a plurality of pixels, each of the pixels including an organic light emitting diode and a plurality of transistors configured to control a current applied to the organic light emitting diode, wherein an aging frame includes an aging period in which at least one of the plurality of transistors is aged, wherein at least one of the plurality of transistors is in a turn-off state in the aging period, and wherein a potential difference between one electrode and an other electrode of a transistor of the plurality of transistors is equal to or greater than a reference potential difference, the reference potential difference being a difference value between a high level and a low level of a first power source voltage.

公开(公告)号：US09673806B2

公开(公告)日：2017-06-06

申请号：US14334104

申请日：2014-07-17

Applicant: Samsung Display Co. Ltd.

Inventor： Jong Hee Kim ,  Hyun Joon Kim ,  Cheol Gon Lee ,  Jae Keun Lim ,  Chong Chul Chai

IPC: G09G5/00 ,  H03K17/16 ,  H03K17/687 ,  H03K17/00 ,  G09G3/3266

CPC classification number: H03K17/162 ,  G09G3/3266 ,  G09G2310/0286 ,  G09G2320/045 ,  H03K17/002 ,  H03K17/6871

Abstract: A gate driver includes a plurality of stages connected to each other in a cascade manner, where each of the stages includes an input unit which connects a first input terminal and a first node and includes a first input transistor and a second input transistor, where an output terminal of the first input transistor and an input terminal of the second input transistor are connected to a second node, and the input unit further includes a storage capacitor which connects the first input terminal and the second node.

公开(公告)号：US11694612B2

公开(公告)日：2023-07-04

申请号：US17831323

申请日：2022-06-02

Applicant: Samsung Display Co., Ltd.

Inventor： Cheol Gon Lee ,  Hee Jean Park ,  Hee Rim Song ,  Yu Jin Lee ,  Mu Kyung Jeon

IPC: G09G3/32 ,  G06V40/13

CPC classification number: G09G3/32 ,  G06V40/1318 ,  G09G2300/0413 ,  G09G2300/0809 ,  G09G2330/028

Abstract: A display device includes: pixel circuits arranged in a first direction on each of a first pixel row and a second pixel row; dummy sensor circuits arranged in a predetermined interval between the pixel circuits on the first pixel row; sensor circuits arranged in the interval between the pixel circuits on the second pixel row; light emitting elements disposed on the pixel circuits and connected to each of the pixel circuits; first light receiving elements on at least some of the pixel circuits of the first pixel row and the dummy sensor circuits; and second light receiving elements on at least some of the pixel circuits of the second pixel row and the sensor circuits. One of the sensor circuits is connected to at least two of the first light receiving elements and at least two of the second light receiving elements.

公开(公告)号：US11251251B2

公开(公告)日：2022-02-15

申请号：US16983077

申请日：2020-08-03

Applicant: Samsung Display Co., Ltd.

Inventor： Il Joo Kim ,  Cheol Gon Lee ,  Mee Hye Jung

IPC: H01L27/14 ,  H01L27/32 ,  H01L29/786 ,  H01L27/12 ,  G09G3/32 ,  G09G3/3225 ,  G09G3/3233

Abstract: A display device includes: a substrate; a plurality of pixels provided in a pixel region of the substrate; a scan line and a data line, connected to each of the plurality of pixels; a first transistor connected to the scan line and the data line and a second transistor connected to the first transistor; a light emitting element connected to the transistor; a first blocking layer disposed between the substrate and the first transistor, the first blocking layer being electrically connected to the first transistor; and a second blocking layer disposed between the substrate and the second transistor, the second blocking layer being electrically connected to the second transistor, wherein the first blocking layer is connected to a gate electrode of the first transistor, and the second blocking layer is connected to any one of source and drain electrodes of the second transistor.

公开(公告)号：US10734465B2

公开(公告)日：2020-08-04

申请号：US16289283

申请日：2019-02-28

Applicant: Samsung Display Co., Ltd.

Inventor： Il Joo Kim ,  Cheol Gon Lee ,  Mee Hye Jung

IPC: H01L27/14 ,  H01L27/32 ,  H01L29/786 ,  H01L27/12 ,  G09G3/32 ,  G09G3/3225 ,  G09G3/3233

Abstract: A display device includes: a substrate; a plurality of pixels provided in a pixel region of the substrate; a scan line and a data line, connected to each of the plurality of pixels; a first transistor connected to the scan line and the data line and a second transistor connected to the first transistor; a light emitting element connected to the transistor; a first blocking layer disposed between the substrate and the first transistor, the first blocking layer being electrically connected to the first transistor; and a second blocking layer disposed between the substrate and the second transistor, the second blocking layer being electrically connected to the second transistor, wherein the first blocking layer is connected to a gate electrode of the first transistor, and the second blocking layer is connected to any one of source and drain electrodes of the second transistor.

公开(公告)号：US20200090587A1

公开(公告)日：2020-03-19

申请号：US16524744

申请日：2019-07-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YOUNG WAN SEO ,  Min Kyu Woo ,  An Su Lee ,  Cheol Gon Lee

IPC: G09G3/3241 ,  G09G3/3291

Abstract: In a display device including pixels, each of the pixels may include: a first transistor coupled to a first node, a first power supply voltage line, and a second node; and a light-emitting diode coupled to the second node and a second power supply voltage line. Each image frame may include at least two emission enable periods for the light-emitting diode, and at least one emission inhibit period between the at least two emission enable periods.

公开(公告)号：US10249696B2

公开(公告)日：2019-04-02

申请号：US15816224

申请日：2017-11-17

Applicant: Samsung Display Co., Ltd.

Inventor： Il Joo Kim ,  Cheol Gon Lee ,  Mee Hye Jung

IPC: H01L27/14 ,  H01L27/32 ,  H01L27/12

Abstract: A display device includes: a substrate; a plurality of pixels provided in a pixel region of the substrate; a scan line and a data line, connected to each of the plurality of pixels; a first transistor connected to the scan line and the data line and a second transistor connected to the first transistor; a light emitting element connected to the transistor; a first blocking layer disposed between the substrate and the first transistor, the first blocking layer being electrically connected to the first transistor; and a second blocking layer disposed between the substrate and the second transistor, the second blocking layer being electrically connected to the second transistor, wherein the first blocking layer is connected to a gate electrode of the first transistor, and the second blocking layer is connected to any one of source and drain electrodes of the second transistor.

公开(公告)号：US20180190204A1

公开(公告)日：2018-07-05

申请号：US15844618

申请日：2017-12-17

Applicant: Samsung Display Co., Ltd

Inventor： Kyoung Ju SHIN ,  Cheol Gon Lee ,  Sang Uk Lim ,  Chang Yong Jeong

IPC: G09G3/3266 ,  G09G3/325 ,  G09G3/3275 ,  G09G3/36 ,  G02F1/1343

CPC classification number: G09G3/3266 ,  G02F1/134336 ,  G09G3/325 ,  G09G3/3275 ,  G09G3/3677 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2310/0216 ,  G09G2310/0251 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2310/0289 ,  G11C19/28

Abstract: A scan driver, includes a plurality of stage circuits, each of which includes a driving circuit unit providing an output signal and an inverter inverting the output signal of the driving circuit unit and generating a scan signal, in which the inverter includes a first transistor and a second transistor, which are complementarily operated, the first transistor is a P-type polysilicon transistor, and the second transistor is an N-type oxide semiconductor transistor. A display device may include the scan driver.

公开(公告)号：US12198630B2

公开(公告)日：2025-01-14

申请号：US18424074

申请日：2024-01-26

Applicant: Samsung Display Co., LTD.

Inventor： Hee Rim Song ,  Hee Jean Park ,  Cheol Gon Lee

IPC: G09G3/3233 ,  G06V40/13 ,  H10K59/126 ,  H10K59/131 ,  H10K59/60

Abstract: A display includes a light emitting element that emits light, a driving transistor that controls a driving current flowing through the light emitting element, a light sensing element spaced apart from the light emitting element and generating a photocurrent according to external light, a first sensing transistor that controls a sensing current flowing to a readout line according to a voltage of a gate electrode of the first sensing transistor, which is electrically connected to an electrode of the light sensing element, and a shielding electrode disposed around a side of the gate electrode of the first sensing transistor in plan view.

公开(公告)号：US12004384B2

公开(公告)日：2024-06-04

申请号：US18051951

申请日：2022-11-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hyun Park ,  Hyeong Seok Kim ,  Young Wan Seo ,  Yu Jin Lee ,  Cheol Gon Lee

IPC: H10K59/126 ,  G09G3/3233 ,  H01L27/12

CPC classification number: H10K59/126 ,  G09G3/3233 ,  H01L27/1248 ,  G09G2300/0426 ,  G09G2300/0809 ,  G09G2320/0233

Abstract: A display device includes a display panel having a general area including first subpixels, and a sensor area including second subpixels and light-transmitting area. Each of the first subpixels and the second subpixels includes a first active layer disposed on a substrate and formed of a first material, a first gate layer disposed on the first active layer, a second gate layer disposed on the first gate layer, a second active layer disposed on the second gate layer and formed of a second material different from the first material, a third gate layer disposed on the second active layer, and a light-blocking layer disposed between the substrate and the first active layer and overlapping the second active layer in a thickness direction.