公开(公告)号：US09779665B2

公开(公告)日：2017-10-03

申请号：US14836796

申请日：2015-08-26

Applicant: Samsung Display Co., Ltd.

Inventor： Jun-Yong Song ,  Oh-Jo Kwon ,  Ji-Woong Kim ,  Choong-Sun Shin ,  Hee-Sun Ahn

IPC: G09G3/3266 ,  G09G3/3233

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2320/0233 ,  G09G2320/0285 ,  G09G2320/0295 ,  G09G2320/045

Abstract: A gate driver for a display device and a display device including the same are disclosed. In one aspect, the gate driver includes first through N-th scan drivers configured to respectively output first through N-th scan signals, where N is an integer greater than 1. The gate driver also includes first through N-th sensing drivers configured to respectively output first through N-th sensing signals, wherein an M-th one of the first through N-th sensing drivers is configured to activate an M-th one of the first through N-th sensing signals K times during an active period of an (M+1)-th one of the first through N-th scan signals, where M is an integer greater than 0 and less than N and K is an integer greater than 1.

公开(公告)号：US20160240144A1

公开(公告)日：2016-08-18

申请号：US14836796

申请日：2015-08-26

Applicant: Samsung Display Co., Ltd.

Inventor： Jun-Yong Song ,  Oh-Jo Kwon ,  Ji-Woong Kim ,  Choong-Sun Shin ,  Hee-Sun Ahn

IPC: G09G3/32

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2320/0233 ,  G09G2320/0285 ,  G09G2320/0295 ,  G09G2320/045

Abstract: A gate driver for a display device and a display device including the same are disclosed. In one aspect, the gate driver includes first through N-th scan drivers configured to respectively output first through N-th scan signals, where N is an integer greater than 1. The gate driver also includes first through N-th sensing drivers configured to respectively output first through N-th sensing signals, wherein an M-th one of the first through N-th sensing drivers is configured to activate an M-th one of the first through N-th sensing signals K times during an active period of an (M+1)-th one of the first through N-th scan signals, where M is an integer greater than 0 and less than N and K is an integer greater than 1.

Abstract translation: 公开了一种用于显示装置的栅极驱动器和包括其的显示装置。 一方面，栅极驱动器包括配置成分别输出第一至第N扫描信号的第一至第N扫描驱动器，其中N是大于1的整数。栅极驱动器还包括第一至第N检测驱动器，其被配置为 分别输出第一至第N感测信号，其中第一至第N感测驱动器中的第M个被配置为在第一至第N感测驱动器的有效时段期间激活第一至第N感测信号中的第M个K次 第一至第N扫描信号中的第（M + 1）个第一个，其中M是大于0且小于N的整数，K是大于1的整数。

公开(公告)号：US08957799B1

公开(公告)日：2015-02-17

申请号：US14207820

申请日：2014-03-13

Applicant: Samsung Display Co., Ltd.

Inventor： Bo-Yeon Kim ,  Oh-Jo Kwon ,  Hee-Sun Ahn ,  Won-Tae Choi

IPC: H03M1/66 ,  G11C11/406

CPC classification number: G11C11/40615 ,  G11C27/024 ,  G11C27/026 ,  G11C27/028 ,  H03M1/742

Abstract: A current memory cell includes an amplifier, transistor, first and second capacitors, and first to third switching units. The amplifier includes first to third terminals. The transistor is coupled to first and second nodes, and ground. The first capacitor is coupled between the second node and ground. The second capacitor is coupled between a third node and ground. The first unit couples a current source to the first node during a first period and an output line to the first node during a second period. The second unit couples the first node to the second node during the first period. The third unit couples the first terminal to the second node and couples the second and third terminals to the third node during the first period, and couples the first terminal to the third node and couples the second and third terminals to the second node during the second period.

Abstract translation: 当前存储单元包括放大器，晶体管，第一和第二电容器以及第一至第三开关单元。 放大器包括第一至第三端子。 晶体管耦合到第一和第二节点并接地。 第一电容器耦合在第二节点和地之间。 第二电容器耦合在第三节点和地之间。 第一单元在第一周期期间将电流源耦合到第一节点，在第二周期期间将输出线耦合到第一节点。 第一单元在第一周期期间将第一节点耦合到第二节点。 第三单元将第一终端耦合到第二节点，并且在第一周期期间将第二和第三终端耦合到第三节点，并且将第一终端耦合到第三节点，并且在第二周期期间将第二和第三终端耦合到第二节点 期。

公开(公告)号：US09875685B2

公开(公告)日：2018-01-23

申请号：US13932982

申请日：2013-07-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Oh-Jo Kwon ,  Won-Tae Choi ,  Choong-Sun Shin ,  Jeong-Kyoo Kim

IPC: G09G3/3233 ,  G09G3/3208

CPC classification number: G09G3/3208 ,  G09G2320/0233 ,  G09G2320/0285 ,  G09G2320/045

Abstract: A display device includes: a display including a plurality of pixels; and a controller configured to: receive an external input image signal, adjust the external input image signal to compensate for brightness deviations of the pixels, and transmit corresponding image data signals to the pixels, wherein the controller includes: a data input section configured to receive the external input image signal and transmit a test image data signal to the pixels through a data driver, a luminance information extracting section configured to: extract brightness information for the pixels after displaying a test image in accordance with the test image data signal, and calculate first, second, and third parameters, using the brightness information, and a data compensating section configured to generate the image data signals by adjusting the external input image signal based on the first, second, and third parameters.

公开(公告)号：US09691329B2

公开(公告)日：2017-06-27

申请号：US13929722

申请日：2013-06-27

Applicant: SAMSUNG DISPLAY CO., LTD. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Oh-Jo Kwon ,  Won-Tae Choi ,  Hee-Sun Ahn ,  Bo-Yeon Kim ,  Gyu-Hyeong Cho ,  Hyun-Sik Kim ,  Jun-Suk Bang

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

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0295 ,  G09G2320/045 ,  G09G2320/0693

Abstract: An organic light emitting display device includes pixels positioned at crossing regions between data lines and scan lines, each of the pixels including an organic light emitting diode, a scan driver configured to supply a scan signal to scan lines, a data driver configured to drive the data lines, wherein the data driver includes, in each channel, a supply part comprising a digital-to-analog converter configured to generate data signals using second data supplied from outside in a driving period, and a deterioration part configured to measure deterioration information of the organic light emitting diode using the digital-to-analog converter in a sensing period.

公开(公告)号：US09450567B2

公开(公告)日：2016-09-20

申请号：US14458167

申请日：2014-08-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Oh-Jo Kwon ,  Boo-Dong Kwak ,  Choong-Sun Shin ,  Hee-Sun Ahn

IPC: G09G3/00 ,  H03H19/00 ,  G09G3/32

CPC classification number: H03H19/004 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3291

Abstract: A noise-removing circuit includes a first capacitor to charge a first voltage supplied to a first node during a first period in which a first switching control signal is supplied, a second capacitor to charge a second voltage supplied to a third node during the first period, a third capacitor to charge the first voltage during a second period in which a second switching control signal is supplied, and to charge the second voltage charged in the second capacitor as a third voltage during a third period in which a third switching control signal is supplied, a fourth capacitor to charge the second voltage during the second period, and to charge the first voltage charged in the first capacitor as a fourth voltage during the third period, and a differential amplifier to output a voltage difference between the third voltage and the fourth voltage.

Abstract translation: 噪声消除电路包括：第一电容器，用于在提供第一开关控制信号的第一周期期间对提供给第一节点的第一电压充电;第二电容器，用于在第一周期期间对提供给第三节点的第二电压充电 在供给第二开关控制信号的第二期间对第一电压进行充电的第三电容器，在第三开关控制信号为第三时间段期间，将充电在第二电容器中的第二电压充电为第三电压作为第三电压 提供第四电容器，用于在第二周期期间对第二电压进行充电，并且在第三周期期间将充电在第一电容器中的第一电压充电为第四电压;差分放大器，用于输出第三电压和第三电压之间的电压差 第四电压。

公开(公告)号：US09424770B2

公开(公告)日：2016-08-23

申请号：US13941356

申请日：2013-07-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Bo-Yeon Kim ,  Oh-Jo Kwon ,  Hee-Sun Ahn

IPC: G09G3/32 ,  H03K17/30

CPC classification number: G09G3/3208 ,  G09G3/3233 ,  G09G3/3291 ,  G09G2300/0842 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/045 ,  H03K17/30

Abstract: An error compensator and an organic light emitting display device using the same. The organic light emitting display device includes pixels each having a driving transistor and an organic light emitting diode; and a sensing unit extracting at least one of a first information including the threshold voltage of the driving transistor or a second information including the degradation of the organic light emitting diode from a pixel of the pixels. In the organic light emitting display device, the sensing unit includes an amplifier amplifying a voltage corresponding to the at least one of the first information or the second information; and an error compensator compensating for error components of elements included in the amplifier and the error compensator.

Abstract translation: 误差补偿器和使用其的有机发光显示装置。 有机发光显示装置包括各自具有驱动晶体管和有机发光二极管的像素; 以及感测单元，从像素的像素中提取包括驱动晶体管的阈值电压的第一信息或包括有机发光二极管的劣化的第二信息中的至少一个。 在有机发光显示装置中，感测单元包括放大对应于第一信息或第二信息中的至少一个的电压的放大器; 以及补偿放大器和误差补偿器中包括的元件的误差分量的误差补偿器。

公开(公告)号：US20160163251A1

公开(公告)日：2016-06-09

申请号：US15009707

申请日：2016-01-28

Applicant: Samsung Display Co., Ltd.

Inventor： Oh-Jo Kwon ,  Joo-Hyung Lee ,  Won-Tae Choi

IPC: G09G3/20 ,  G09G3/32

CPC classification number: G09G3/3275 ,  G09G3/2003 ,  G09G3/3208 ,  G09G2300/0819 ,  G09G2310/0262 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/045

Abstract: A pixel array and an organic light emitting display device including the same, can display an image with uniform luminance by compensating for a variation in threshold voltage/mobility of a driving transistor for each pixel and compensating for a change in efficiency due to degradation of an organic light emitting diode. A first pixel among the pixel array includes an organic light emitting diode; a pixel circuit positioned among an anode electrode of the organic light emitting diode, a first scan line and a first data line through which a data signal is supplied to the first pixel, and controlling current flowing in the organic light emitting diode; and a switching element controlling the coupling between a second data line through which a data signal is supplied to a second pixel of the plurality of pixels and the anode electrode of the organic light emitting diode.

Abstract translation: 像素阵列和包括该像素阵列的有机发光显示装置可以通过补偿每个像素的驱动晶体管的阈值电压/迁移率的变化来补偿具有均匀亮度的图像，并补偿由于劣化导致的效率的变化 有机发光二极管。 像素阵列中的第一像素包括有机发光二极管; 位于有机发光二极管的阳极之间的像素电路，第一扫描线和第一数据线，数据信号通过该第一数据线提供给第一像素，并控制在有机发光二极管中流动的电流; 以及开关元件，其控制将数据信号提供给所述多个像素中的第二像素的第二数据线与所述有机发光二极管的所述阳极之间的耦合。

公开(公告)号：US20150054666A1

公开(公告)日：2015-02-26

申请号：US14207820

申请日：2014-03-13

Applicant: Samsung Display Co., Ltd.

Inventor： Bo-Yeon Kim ,  Oh-Jo Kwon ,  Hee-Sun Ahn ,  Won-Tae Choi

IPC: G11C11/406 ,  H03M1/66

CPC classification number: G11C11/40615 ,  G11C27/024 ,  G11C27/026 ,  G11C27/028 ,  H03M1/742

Abstract: A current memory cell includes an amplifier, transistor, first and second capacitors, and first to third switching units. The amplifier includes first to third terminals. The transistor is coupled to first and second nodes, and ground. The first capacitor is coupled between the second node and ground. The second capacitor is coupled between a third node and ground. The first unit couples a current source to the first node during a first period and an output line to the first node during a second period. The second unit couples the first node to the second node during the first period. The third unit couples the first terminal to the second node and couples the second and third terminals to the third node during the first period, and couples the first terminal to the third node and couples the second and third terminals to the second node during the second period.

Abstract translation: 当前存储单元包括放大器，晶体管，第一和第二电容器以及第一至第三开关单元。 放大器包括第一至第三端子。 晶体管耦合到第一和第二节点并接地。 第一电容器耦合在第二节点和地之间。 第二电容器耦合在第三节点和地之间。 第一单元在第一周期期间将电流源耦合到第一节点，在第二周期期间将输出线耦合到第一节点。 第一单元在第一周期期间将第一节点耦合到第二节点。 第三单元将第一终端耦合到第二节点，并且在第一周期期间将第二和第三终端耦合到第三节点，并且将第一终端耦合到第三节点，并且在第二周期期间将第二和第三终端耦合到第二节点 期。

公开(公告)号：US20150048881A1

公开(公告)日：2015-02-19

申请号：US14458167

申请日：2014-08-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Oh-Jo Kwon ,  Boo-Dong Kwak ,  Choong-Sun Shin ,  Hee-Sun Ahn

IPC: H03H11/12 ,  H03H11/04

CPC classification number: H03H19/004 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3291

Abstract: A noise-removing circuit includes a first capacitor to charge a first voltage supplied to a first node during a first period in which a first switching control signal is supplied, a second capacitor to charge a second voltage supplied to a third node during the first period, a third capacitor to charge the first voltage during a second period in which a second switching control signal is supplied, and to charge the second voltage charged in the second capacitor as a third voltage during a third period in which a third switching control signal is supplied, a fourth capacitor to charge the second voltage during the second period, and to charge the first voltage charged in the first capacitor as a fourth voltage during the third period, and a differential amplifier to output a voltage difference between the third voltage and the fourth voltage.

Abstract translation: 噪声消除电路包括：第一电容器，用于在提供第一开关控制信号的第一周期期间对提供给第一节点的第一电压充电;第二电容器，用于在第一周期期间对提供给第三节点的第二电压充电 在供给第二开关控制信号的第二期间对第一电压进行充电的第三电容器，在第三开关控制信号为第三时间段期间，将充电在第二电容器中的第二电压充电为第三电压作为第三电压 提供第四电容器，用于在第二周期期间对第二电压进行充电，并且在第三周期期间将充电在第一电容器中的第一电压充电为第四电压;以及差分放大器，用于输出第三电压和第三电压之间的电压差 第四电压。