公开(公告)号：US20170141177A1

公开(公告)日：2017-05-18

申请号：US15354923

申请日：2016-11-17

Applicant: Samsung Display Co., Ltd.

Inventor： Iljoo Kim ,  Mukyung Jeon ,  Heerim Song

IPC: H01L27/32 ,  H01L29/786 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3275 ,  G09G3/3266

CPC classification number: H01L27/3276 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3291 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2310/0227 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2320/0209 ,  H01L27/1214 ,  H01L27/3216 ,  H01L27/3262 ,  H01L27/3265 ,  H01L29/78696

Abstract: A display device is disclosed. In one aspect, the device includes a plurality of pixels arranged in rows and columns, each pixel including a transistor that includes first and second electrodes in a column direction, and a channel curved between the first and second electrodes, and a capacitor overlapping the transistor. The device also includes a first data line connected to at least one first pixel in an odd row of the pixels arranged in the columns, and overlapping a first electrode of a transistor of the first pixel and a second data line connected to at least one second pixel in an even row of the pixels arranged in the columns, and overlapping a first electrode of a transistor of the second pixel. The first and second data lines are arranged in the columns and are parallel to one another.

公开(公告)号：US12217685B2

公开(公告)日：2025-02-04

申请号：US18450786

申请日：2023-08-16

Applicant: Samsung Display Co., Ltd.

Inventor： Heerim Song ,  Cheol-Gon Lee ,  Mukyung Jeon

IPC: G09G3/3233 ,  G06F3/041 ,  G06F3/042 ,  G06V40/13

Abstract: A display device includes a plurality of pixels, each of which includes a light emitting element and a pixel driving circuit and a plurality of sensors, each of which includes a light receiving element and a sensor driving circuit. A sensor driving circuit included in at least one of sensors includes a reset transistor configured to output a reset signal to a first sensing node in response to a reset control signal, an amplification transistor connected to first and second sensing nodes and configured to receive a sensor driving voltage, a first output transistor connected between the second sensing node and a readout line and configured to receive a first output control signal, and a second output transistor connected between the second sensing node and the readout line and configured to receive a second output control signal.

公开(公告)号：US12156457B2

公开(公告)日：2024-11-26

申请号：US18226369

申请日：2023-07-26

Applicant: Samsung Display Co., Ltd.

Inventor： Heerim Song ,  Mukyung Jeon ,  Cheol-Gon Lee

IPC: G09G5/00 ,  G06V40/13 ,  H10K59/121 ,  H10K59/131 ,  H10K59/65

Abstract: A display device including: a base layer; a circuit layer disposed on the base layer; and an element layer disposed on the circuit layer, the element layer including a light emitting element and a light receiving element, wherein the circuit layer includes: a pixel drive circuit connected to the light emitting element; a sensor drive circuit connected to the light receiving element; a data wire connected to the pixel drive circuit; a readout wire connected to the sensor drive circuit; and a shielding electrode wire overlapping the readout wire on a plane.

公开(公告)号：US12142209B2

公开(公告)日：2024-11-12

申请号：US17583005

申请日：2022-01-24

Applicant: Samsung Display Co., Ltd.

Inventor： Heerim Song ,  Mukyung Jeon ,  Heejean Park ,  Yujin Lee ,  Cheol-Gon Lee

IPC: G09G3/3233 ,  G09G3/32

Abstract: A pixel includes a light emitting element, a driving switching element, an initialization voltage terminal, a data initialization switching element set, and an adjustment switching element. The driving switching element may provide a driving current to the light emitting element. The adjustment switching element is electrically connected to the data initialization switching element in series. At least one of the data initialization switching element set and the adjustment switching element may control an electrical connection between the control electrode of the driving switching element and the initialization voltage terminal. A control electrode of the adjustment switching element is electrically connected to an input electrode of the adjustment switching element.

公开(公告)号：US12087082B2

公开(公告)日：2024-09-10

申请号：US18097514

申请日：2023-01-17

Applicant: Samsung Display Co., Ltd.

Inventor： Heerim Song ,  Heejean Park ,  Yujin Lee ,  Cheol-Gon Lee ,  Mukyung Jeon

IPC: G06V40/13 ,  G09G3/3233 ,  H10K39/34 ,  H10K59/121 ,  H10K59/40

CPC classification number: G06V40/1318 ,  G09G3/3233 ,  H10K39/34 ,  H10K59/1213 ,  H10K59/40 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2354/00

Abstract: Disclosed is a display device including a base layer and a pixel layer that is disposed on the base layer and that includes a plurality of pixels and a plurality of sensors. Each of the plurality of pixels includes a light emitting element and a pixel drive circuit connected to the light emitting element to control driving of the light emitting element. Each of the plurality of sensors includes a light sensing unit including a plurality of light sensing elements, a sensor drive circuit that is connected to at least two light sensing elements and that outputs a sensing signal in response to light, and a routing wire that electrically connects the at least two light sensing elements to each other.

公开(公告)号：US11776474B2

公开(公告)日：2023-10-03

申请号：US17702136

申请日：2022-03-23

Applicant: Samsung Display Co., Ltd.

Inventor： Yujin Lee ,  Heejean Park ,  Heerim Song ,  Cheol-Gon Lee ,  Mukyung Jeon

IPC: G09G3/3233 ,  H10K59/121 ,  H10K59/124 ,  H10K59/131

CPC classification number: G09G3/3233 ,  H10K59/124 ,  H10K59/1216 ,  H10K59/131

Abstract: A pixel includes a driving transistor, a switching transistor, and first and second capacitors. The gate of the driving transistor is disposed below a first insulating layer, and a first conductive pattern defining a first electrode of the first capacitor is disposed below the first insulating layer. A second conductive pattern defining a second electrode of the first capacitor and a first electrode of the second capacitor is disposed on the first insulating layer, a third conductive pattern defining a second electrode of the second capacitor is disposed on a second insulating layer covering the second conductive pattern, and the data line is disposed above the second insulating layer.

公开(公告)号：US20220335878A1

公开(公告)日：2022-10-20

申请号：US17720288

申请日：2022-04-13

Applicant: Samsung Display Co., Ltd.

Inventor： Heerim Song ,  Gyungsoon Park

IPC: G09G3/30

Abstract: A gate driver includes at least one stage, which includes: a first output circuit configured to supply a voltage of a first power source or a voltage of a second power source to a first output terminal and including a fourth capacitor connected between a second node and the first output terminal; a second output circuit configured to supply a signal supplied to a fourth input terminal or the voltage of the second power source to a second output terminal; an input circuit configured to control a voltage of the second node and a voltage of a third node; a first signal processor configured to control a voltage of a first node; a second signal processor configured to control the voltage of the second node; and a third signal processor connected between the first node and the third node, and configured to control the voltage of the first node.

公开(公告)号：US20170373094A1

公开(公告)日：2017-12-28

申请号：US15631294

申请日：2017-06-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sangho Park ,  Gyungsoon Park ,  Heerim Song ,  Donghwan Shim ,  Jungkyu Lee ,  Seunghwan Cho ,  Jonghyun Choi

IPC: H01L27/12 ,  G09G3/3233 ,  H01L27/32

CPC classification number: H01L27/1222 ,  G09G3/3233 ,  G09G2300/043 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/0233 ,  G09G2320/043 ,  G09G2330/023 ,  H01L27/3262 ,  H01L27/3265 ,  H01L27/3276

Abstract: A thin film transistor “TFT”) substrate includes a substrate, an active layer over the substrate, and first and second TFTs over the substrate. The active layer includes: a first drain region, a first channel region and a first source region, which function as a drain, a channel and a source of the first TFT: a first lightly doped region between the first drain region and the first channel region: a second lightly doped region between the first channel region and the first source region: and a second drain region, a second channel region and a second source region, which function as a drain, a channel and a source of the second TFT. An impurity concentration at the second drain or source region is lower than an impurity concentration at the first drain or source region and higher than an impurity concentration at the first or second channel region.

公开(公告)号：US09436045B2

公开(公告)日：2016-09-06

申请号：US14474538

申请日：2014-09-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Heerim Song ,  Sang-Uk Lim ,  Sangjin Jeon

IPC: G02F1/1343 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/1337

CPC classification number: G02F1/134309 ,  G02F1/133707 ,  G02F1/13624 ,  G02F1/1368 ,  G02F2001/134345

Abstract: A liquid crystal display includes a pixel that includes a first sub-pixel chargeable with a first voltage and a second sub-pixel chargeable with a second voltage different from the first voltage, a pixel electrode that includes a first sub-pixel electrode in the first sub-pixel and a second sub-pixel electrode in the second sub-pixel, a common electrode that faces the pixel electrode, and a liquid crystal layer between the pixel electrode and the common electrode. The first sub-pixel electrode includes a first trunk portion and a plurality of first branch portions protruding from and extending from one side of the first trunk portion. The second sub-pixel electrode includes a second trunk portion and a plurality of second and third branch portions that protrude from both sides of the second trunk portion and extend substantially parallel to the first branch portions.

Abstract translation: 液晶显示器包括像素，该像素包括可以利用第一电​​压充电的第一子像素和可与不同于第一电压的第二电压充电的第二子像素;像素电极，其包括第一子像素电极， 第二子像素中的子像素和第二子像素电极，面对像素电极的公共电极以及像素电极和公共电极之间的液晶层。 第一子像素电极包括第一主干部分和从第一主干部分的一侧突出并从第一主体部分的一侧延伸的多个第一分支部分。 第二子像素电极包括第二主体部分和从第二主体部分的两侧突出并且基本上平行于第一分支部分延伸的多个第二和第三分支部分。