公开(公告)号：US10789881B2

公开(公告)日：2020-09-29

申请号：US15495573

申请日：2017-04-24

Applicant: Samsung Display Co., Ltd.

Inventor： Kyong-Tae Park

IPC: G09G3/3208 ,  H01L27/32

Abstract: An organic light emitting diode (OLED) display device includes a display panel having a display region and a peripheral region, an OLED at the display region and including an end connected to a first voltage, a pixel circuit at the display region, a repair pixel circuit at the peripheral region, a repair line for connecting the repair pixel circuit to the OLED, and a switching circuit configured to apply a second voltage to the repair line during a power-up of the OLED display device.

公开(公告)号：US10255854B2

公开(公告)日：2019-04-09

申请号：US15709672

申请日：2017-09-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyong-Tae Park ,  Dong-Yoon So ,  Sung-Ho Cho ,  Yu-Hyun Cho

IPC: G09G3/30 ,  G09G3/3233

Abstract: An organic light emitting display device includes a display area and a non-display area. The display area includes display pixels at crossing areas of data lines, scan lines, and emission control lines. The non-display area includes auxiliary pixels at crossing positions of auxiliary data lines, scan lines, and emission control lines. The display device also includes a scan driver to supply scan signals to the scan lines, a first data driver to supply data voltages to the data lines, a second data driver to supply an auxiliary data voltage to the auxiliary data line, and a demultiplexer between the data lines and the first data driver.

公开(公告)号：US11232744B2

公开(公告)日：2022-01-25

申请号：US17024568

申请日：2020-09-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyong-Tae Park

IPC: G09G3/3208 ,  H01L27/32

Abstract: An organic light emitting diode (OLED) display device includes a display panel having a display region and a peripheral region, an OLED at the display region and including an end connected to a first voltage, a pixel circuit at the display region, a repair pixel circuit at the peripheral region, a repair line for connecting the repair pixel circuit to the OLED, and a switching circuit configured to apply a second voltage to the repair line during a power-up of the OLED display device.

公开(公告)号：US10089925B2

公开(公告)日：2018-10-02

申请号：US14727720

申请日：2015-06-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyong-Tae Park ,  Tae-Gon Kim ,  Dong-Yoon So ,  Sung-Ho Cho

IPC: G09G3/30 ,  G09G3/32 ,  G09G3/3233 ,  G09G3/3275 ,  G09G3/3266

Abstract: An organic light emitting display device includes data lines and an auxiliary data line, scan lines and emission control lines crossing the data lines and the auxiliary data line, display pixels at crossing regions of the data lines, the scan lines and the emission control lines, auxiliary pixels at crossing regions of the auxiliary data line, the scan lines and the emission control lines, and auxiliary lines coupled to the auxiliary pixels. Each of the auxiliary pixels includes a discharge transistor coupled to one of the auxiliary lines and a first power voltage line to which a first power voltage is supplied and a discharge transistor controller including a plurality of transistors and configured to control the discharge transistor.

公开(公告)号：US10018858B2

公开(公告)日：2018-07-10

申请号：US15400447

申请日：2017-01-06

Applicant: Samsung Display Co., Ltd.

Inventor： Kyong-Tae Park

IPC: G01R31/28 ,  G01R31/26 ,  H01L21/66 ,  G02F1/13 ,  H01L27/12 ,  H01L27/32 ,  H05B33/08

CPC classification number: G02F1/1309 ,  G01R31/2841 ,  G01R31/44 ,  G09G3/006 ,  G09G3/3233 ,  G09G2300/0413 ,  G09G2330/04 ,  G09G2330/08 ,  G09G2330/10 ,  G09G2330/12 ,  H01L22/30 ,  H01L27/1244 ,  H01L27/3276 ,  H05B33/086 ,  H05B33/0887 ,  H05B33/0896 ,  Y02B20/341

Abstract: A display device includes a substrate, one line on the substrate, the one line extending from a peripheral region through a display region, pixels on the display region, the pixels being connected to the one line, an outer line on the peripheral region, the outer line being connected to the one line during a short circuit test process that detects a position of a short circuit defect, an electrostatic protection resistor on the peripheral region, the electrostatic protection resistor being connected to the outer line, a pad on the peripheral region, the pad being connected to the outer line through the electrostatic protection resistor, a short circuit test signal being applied to the pad during the short circuit test process, and a bypass line connecting a node between the pad and the electrostatic protection resistor to the outer line.

公开(公告)号：US09984631B2

公开(公告)日：2018-05-29

申请号：US14731364

申请日：2015-06-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyong-Tae Park

IPC: G09G3/30 ,  G09G3/3291 ,  G09G3/00 ,  G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3291 ,  G09G3/006 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0413 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2300/0876 ,  G09G2310/0251 ,  G09G2310/0256 ,  G09G2310/0278 ,  G09G2310/0291 ,  G09G2320/0209 ,  G09G2330/08 ,  G09G2330/10 ,  G09G2360/16

Abstract: An organic light emitting display device includes: data lines and auxiliary data lines, scan lines and light emission control lines crossing the data lines and the auxiliary data lines, a display area including display pixels formed at crossing regions of the data lines, the scan lines, and the light emission control lines, a non-display area including auxiliary pixels formed at crossing regions of the auxiliary data lines, the scan lines, and the light emission control lines, and auxiliary lines connected to the auxiliary pixels. Each of the auxiliary pixels may include: an auxiliary pixel driver configured to supply a driving current to a corresponding one of the auxiliary lines, and an auxiliary transistor connected to the corresponding one of the auxiliary lines and to a first power voltage line, configured to transmit a first power voltage from the first power voltage line, in response to a control signal.

公开(公告)号：US09779668B2

公开(公告)日：2017-10-03

申请号：US14733790

申请日：2015-06-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyong-Tae Park ,  Tae-Gon Kim ,  Dong-Yoon So ,  Sung-Ho Cho

IPC: G09G3/32 ,  G09G3/3291 ,  G09G3/3233

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G2300/0413 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2330/08 ,  G09G2330/10

Abstract: An organic light emitting display device including data lines, an auxiliary data line, and a compensation data line, a display area including display pixels connected to the data lines, a nondisplay area including auxiliary pixels connected to the auxiliary data line, and compensation pixels connected to the compensation data line, and auxiliary lines connected to the auxiliary pixels and the compensation pixels.

公开(公告)号：US09159264B2

公开(公告)日：2015-10-13

申请号：US13658642

申请日：2012-10-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyong-Tae Park ,  Baek-Woon Lee ,  Alexander Arkhipov

IPC: G06F3/038 ,  G09G3/30 ,  G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/0262 ,  G09G2310/06 ,  G09G2320/0233 ,  G09G2320/0285

Abstract: An organic light-emitting display device and a method of driving the display device are disclosed. A pixel circuit used in the organic light-emitting display device includes a first switching transistor, a second switching transistor and a driving transistor. The first switching transistor switches a data voltage in response to a first control signal. The second switching transistor switches a compensation voltage in response to a second control signal. The driving transistor provides an electric current to an organic light-emitting device in response to the data voltage and the compensation voltage.

Abstract translation: 公开了一种有机发光显示装置和驱动显示装置的方法。 在有机发光显示装置中使用的像素电路包括第一开关晶体管，第二开关晶体管和驱动晶体管。 第一开关晶体管响应于第一控制信号切换数据电压。 第二开关晶体管响应于第二控制信号而切换补偿电压。 驱动晶体管响应于数据电压和补偿电压向有机发光器件提供电流。

公开(公告)号：US20140292623A1

公开(公告)日：2014-10-02

申请号：US13959403

申请日：2013-08-05

Applicant: Samsung Display Co., Ltd.

Inventor： Sung-Jae Moon ,  Kyong-Tae Park

IPC: G09G3/00 ,  G09G3/32

CPC classification number: G09G3/006 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2310/0216 ,  G09G2330/08 ,  G09G2330/10 ,  Y10T29/49117

Abstract: An organic light emitting display device employing organic light emitting diodes (OLEDs) is disclosed. One aspect includes a plurality of pixels positioned at intersection portions of scan lines and data lines, each having an organic light emitting diode and a pixel circuit driving the organic light emitting diode; a scan driver supplying a scan signal to the scan lines and supplying an emission control signal to an emission control line coupled to the pixels; and a data driver supplying a data signal to the data lines. In such organic light emitting display, the pixel circuit within each pixel includes three or more transistors and one or more capacitors, and the transistors included in a pixel circuit of some of the pixels is formed to be in a state in which the transistor is isolated from the other circuit devices in the pixel circuit or in a state in which the electrodes of the transistor are short-circuited.

Abstract translation: 公开了一种采用有机发光二极管（OLED）的有机发光显示装置。 一个方面包括位于扫描线和数据线的交叉部分的多个像素，每个具有有机发光二极管和驱动有机发光二极管的像素电路; 向扫描线提供扫描信号并将发射控制信号提供给耦合到所述像素的发射控制线的扫描驱动器; 以及向数据线提供数据信号的数据驱动器。 在这种有机发光显示器中，每个像素内的像素电路包括三个或更多个晶体管和一个或多个电容器，并且包括在一些像素的像素电路中的晶体管形成为晶体管被隔离的状态 来自像素电路中的其它电路装置或晶体管的电极短路的状态。

公开(公告)号：US08810485B2

公开(公告)日：2014-08-19

申请号：US13952185

申请日：2013-07-26

Applicant: Samsung Display Co., Ltd.

Inventor： Baek-Woon Lee ,  Doo-Hyung Woo ,  Kyong-Tae Park ,  Ji-Hye Eom ,  Seong-Il Park

IPC: G09G3/30

CPC classification number: G09G3/3291 ,  G09G3/2014 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0223 ,  G09G2320/0261 ,  G09G2320/043

Abstract: A display device and a method of driving the same in which moving image blurring is prevented and a contrast ratio is enhanced by providing a light-emitting element, switching transistors, and a driving transistor with driving signals that include specific voltages at predetermined times, so that the light-emitting element does not emit light for an entire frame and the light output is not influenced by a threshold voltage of the driving transistor.

Abstract translation: 通过在预定时间内设置包括特定电压的驱动信号的发光元件，开关晶体管和驱动晶体管，可以防止运动图像模糊被阻止并且提高对比度的显示装置及其驱动方法，因此 发光元件对于整个框架不发光，并且光输出不受驱动晶体管的阈值电压的影响。