公开(公告)号：US20160335950A1

公开(公告)日：2016-11-17

申请号：US15136606

申请日：2016-04-22

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Yeun Kang ,  Kyong Tae Park

IPC: G09G3/20 ,  G09G3/3275 ,  G09G3/3233

CPC classification number: G09G3/2085 ,  G09G3/3233 ,  G09G3/3275 ,  G09G2300/0413 ,  G09G2300/08 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2310/0289 ,  G09G2330/08 ,  G09G2330/10

Abstract: A display device and a method of repairing the same are disclosed. In one aspect, the display device includes an OLED, a repair line electrically connected to a first dummy pixel and a second dummy pixel, and a repair modulation circuit electrically connected to the first and second dummy pixels. The first dummy pixel includes a first dummy pixel driving circuit configured to output a driving current corresponding to a data voltage of a selected pixel of the OLED to the repair line, when the selected pixel becomes defective, based on a first light emission control signal. The repair modulation circuit includes a capacitor configured to be initialized before the driving current is output from the first dummy pixel driving circuit. The capacitor of the repair modulation circuit is configured to be charged with the driving current when the driving current is output from the first dummy pixel driving circuit.

Abstract translation: 公开了一种显示装置及其修理方法。 一方面，显示装置包括OLED，电连接到第一虚拟像素和第二虚拟像素的修复线以及电连接到第一和第二虚拟像素的修复调制电路。 第一虚拟像素包括第一虚拟像素驱动电路，其被配置为基于第一发光控制信号将所选择的像素变为有缺陷时将与OLED的所选像素的数据电压相对应的驱动电流输出到修复线。 修复调制电路包括被配置为在从第一虚拟像素驱动电路输出驱动电流之前被初始化的电容器。 修复调制电路的电容器被配置为当从第一虚拟像素驱动电路输出驱动电流时对驱动电流进行充电。

公开(公告)号：US20150279278A1

公开(公告)日：2015-10-01

申请号：US14488245

申请日：2014-09-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyong Tae Park ,  Pil Soo Ahn

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/3291 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2320/0238 ,  G09G2320/0242

Abstract: A display device includes: a first sub-pixel and a second sub-pixel, wherein the first sub-pixel includes: a first light emitting diode coupled between a first node and a second node; a first transistor configured to turn off the first light emitting diode by lowering a voltage of the first node below a voltage of the second node by providing a first initialization voltage to the first node; and a second transistor configured to turn on the first light emitting diode by increasing the voltage of the first node above the voltage of the second node by providing a first driving current to the first node, wherein the second sub-pixel includes a second light emitting diode, wherein a capacitance of the first light emitting diode is higher than a capacitance of the second light emitting diode.

Abstract translation: 显示装置包括：第一子像素和第二子像素，其中第一子像素包括：耦合在第一节点和第二节点之间的第一发光二极管; 第一晶体管，其被配置为通过向所述第一节点提供第一初始化电压来将所述第一节点的电压降低到所述第二节点的电压以下来关闭所述第一发光二极管; 以及第二晶体管，其被配置为通过向所述第一节点提供第一驱动电流而将所述第一节点的电压升高到所述第二节点的电压以上来接通所述第一发光二极管，其中所述第二子像素包括第二发光二极管 二极管，其中第一发光二极管的电容高于第二发光二极管的电容。

公开(公告)号：US20210376052A1

公开(公告)日：2021-12-02

申请号：US17401094

申请日：2021-08-12

Applicant: Samsung Display Co., Ltd.

Inventor： Kyong Tae Park ,  Sung Ho Cho ,  Seong Yeun Kang

IPC: H01L27/32

Abstract: An organic light emitting diode display includes: a substrate including a display area and a non-display area adjacent to the display area; a pixel thin film transistor positioned in the display area of the substrate; a first data wire positioned on the pixel thin film transistor; a second data wire positioned on the first data wire; an organic light emitting element positioned on the second data wire and electrically connected to the pixel thin film transistor through the first data wire and the second data wire; a circuit unit positioned in the non-display area of the substrate and including a circuit thin film transistor electrically connected to the pixel thin film transistor; and a common power supply line overlapping at least part of the circuit unit, electrically connected to the organic light emitting element, and formed on a same layer as the second data wire.

公开(公告)号：US10522608B2

公开(公告)日：2019-12-31

申请号：US15831893

申请日：2017-12-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyong Tae Park ,  Chul-Hwan Park ,  Sun-Kyo Jung ,  Sung Ho Cho

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00

Abstract: A display device includes a substrate, a display area disposed on the substrate and including a plurality of pixels and data lines, a peripheral area disposed outside the display area of the substrate, a pad portion disposed in the peripheral area, an encapsulation layer disposed in the peripheral area and the display area, and disposed on the plurality of pixels of the display area, a crack detection circuit disposed in the peripheral area, and a first crack detection line connected with the pad portion and the crack detection circuit. The first crack detection line is disposed on the encapsulation layer.

公开(公告)号：US20190295466A1

公开(公告)日：2019-09-26

申请号：US16438187

申请日：2019-06-11

Applicant: Samsung Display Co., Ltd.

Inventor： Kyong Tae Park ,  Yu Hyun Cho

IPC: G09G3/3225

Abstract: A display device. A display including a display panel configured to include a plurality of active pixels and a plurality of dummy pixels, which are formed near the active pixels, a control driver configured to control a pixel driving circuit formed in each of the active pixels and a dummy driving circuit formed in each of the dummy pixels, wherein each of the pixel driving circuits of the active pixels includes a pixel driving transistor and each of the dummy driving circuits of the dummy pixels, which are formed at either end of the display panel in a first direction, is electrically connected at a first dummy node thereof and includes a dummy driving transistor and a first dummy capacitor, which connects a control terminal of the dummy driving transistor and the first dummy node.

公开(公告)号：US10360845B2

公开(公告)日：2019-07-23

申请号：US14702629

申请日：2015-05-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyong Tae Park ,  Yu Hyun Cho

IPC: G09G3/3225

Abstract: A display device. A display including a display panel configured to include a plurality of active pixels and a plurality of dummy pixels, which are formed near the active pixels, a control driver configured to control a pixel driving circuit formed in each of the active pixels and a dummy driving circuit formed in each of the dummy pixels, wherein each of the pixel driving circuits of the active pixels includes a pixel driving transistor and each of the dummy driving circuits of the dummy pixels, which are formed at either end of the display panel in a first direction, is electrically connected at a first dummy node thereof and includes a dummy driving transistor and a first dummy capacitor, which connects a control terminal of the dummy driving transistor and the first dummy node.

公开(公告)号：US20190165084A1

公开(公告)日：2019-05-30

申请号：US16171162

申请日：2018-10-25

Applicant: Samsung Display Co., Ltd.

Inventor： Kyong Tae Park ,  Sung Ho Cho ,  Seong Yeun Kang

IPC: H01L27/32 ,  H01L51/52

Abstract: An organic light emitting diode display includes: a substrate including a display area and a non-display area adjacent to the display area; a pixel thin film transistor positioned in the display area of the substrate; a first data wire positioned on the pixel thin film transistor; a second data wire positioned on the first data wire; an organic light emitting element positioned on the second data wire and electrically connected to the pixel thin film transistor through the first data wire and the second data wire; a circuit unit positioned in the non-display area of the substrate and including a circuit thin film transistor electrically connected to the pixel thin film transistor; and a common power supply line overlapping at least part of the circuit unit, electrically connected to the organic light emitting element, and formed on a same layer as the second data wire.

公开(公告)号：US10242636B2

公开(公告)日：2019-03-26

申请号：US15182477

申请日：2016-06-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyong Tae Park ,  Tae Gon Kim ,  Dong Hoon Jeong ,  Yu Hyun Cho

IPC: G09G3/30 ,  G09G3/36 ,  G09G3/3225 ,  G09G3/10

Abstract: A display device includes a display area including pixels connected to scan lines and data lines, a power supply for supplying a first power voltage to the pixels through first power lines, repair lines in parallel with the scan lines, a dummy pixel unit including dummy pixels respectively connected to the repair lines, and a sensing unit coupled to one of the repair lines that is not connected to the dummy pixels, wherein the sensing unit measures the first power voltage at a target point through the one of the repair lines that is not connected to the dummy pixels.

公开(公告)号：US09691325B2

公开(公告)日：2017-06-27

申请号：US14643377

申请日：2015-03-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyong Tae Park ,  Ji Yong Park

IPC: G09G3/30 ,  G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2320/0223 ,  G09G2320/045

Abstract: A display device includes a plurality of pixels and a compensation power supply line. The pixels are located at intersections of data lines and gate lines. The compensation power supply line is separated from the data lines. Each of the pixels includes an in-pixel circuit and at least one out-pixel circuit. The in-pixel circuit includes a first transistor, to be controlled based on a data voltage from a corresponding one of the data lines, and a storage capacitor connecting the first transistor and a first node. The at least one out-pixel circuit receives a compensation voltage from the compensation power supply line and provides the compensation voltage to the first node.

公开(公告)号：US20160372029A1

公开(公告)日：2016-12-22

申请号：US15019812

申请日：2016-02-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyong Tae Park ,  Dong Hoon Jeong ,  Yu Hyun Cho

IPC: G09G3/3208 ,  G09G3/00

CPC classification number: G09G3/006 ,  G09G3/3233 ,  G09G2300/0413 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2330/08 ,  G09G2330/10

Abstract: A display device includes a plurality of pixels at respective crossing regions of data lines and scan lines, a plurality of repair lines in parallel with the scan lines, one or more dummy pixels coupled to a respective one of the repair lines, one or more dummy data lines that are respectively coupled to the one or more of the dummy pixels, and that overlap the data lines, and a test line coupled between a first test pad and the dummy pixels, wherein one of the dummy pixels at an ith (i is a natural number) horizontal line includes a dummy pixel circuit between a kth (k is a natural number) dummy data line of the dummy data lines and an ith repair line of the repair lines, and a coupling unit coupled between the ith repair line and the test line.

Abstract translation: 显示装置包括在数据线和扫描线的相应交叉区域处的多个像素，与扫描线平行的多条修复线，耦合到相应一条修复线的一个或多个虚拟像素，一个或多个虚拟 分别耦合到一个或多个虚拟像素并且与数据线重叠的数据线以及耦合在第一测试焊盘和虚拟像素之间的测试线，其中第i个（i是 自然数）水平线包括虚拟数据线的第k（k是自然数）虚拟数据线和修复线的第i个修复线之间的虚拟像素电路，以及耦合单元，耦合在第i个修复线和 测试线。