公开(公告)号：US20160086541A1

公开(公告)日：2016-03-24

申请号：US14639920

申请日：2015-03-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Wook Yang

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/3258 ,  G09G3/2022 ,  G09G3/3233 ,  G09G3/3291 ,  G09G2300/0819 ,  G09G2310/027 ,  G09G2310/0278 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2330/10

Abstract: An organic light-emitting display device displays a grayscale level by time-dividing each frame into N sub-frames, the organic light-emitting display device including: a plurality of pixels arranged in a matrix; a plurality of scan lines to be provided with a plurality of scan signals to turn on the plurality of pixels; and a plurality of data lines to be selectively provided with a plurality of data voltages or a plurality of sensing voltages to be applied to a number of the pixels that are turned on by each of the plurality of scan signals, wherein the scan signals are provided to N scan lines (where N is a natural number greater than 1) that are randomly selected from among the plurality of scan lines at intervals of a sub-horizontal period.

Abstract translation: 有机发光显示装置通过将每帧分时间分割为N个子帧来显示灰度级，该有机发光显示装置包括：以矩阵排列的多个像素; 多条扫描线，设置有多个扫描信号，以接通多个像素; 以及多个数据线，以选择性地提供多个数据电压或多个感测电压，以施加到通过多个扫描信号中的每一个被导通的多个像素，其中提供扫描信号 到N个扫描线（其中N是大于1的自然数），其以水平周期的间隔从多个扫描线中随机选择。

公开(公告)号：US12165598B2

公开(公告)日：2024-12-10

申请号：US18215628

申请日：2023-06-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Wook Yang ,  Gun Hee Kim ,  Sun Young Jung

IPC: G09G3/3266 ,  G09G3/3275

Abstract: A display device includes: a pixel, a scan driver, an emission driver, and a data driver. The pixel includes: a light emitting element; a first transistor; a second transistor connected between a data line and a first node; a third transistor connected between a second node and a third node connected to a gate electrode of the first transistor; a fourth transistor connected between the second node and a third power line; a fifth transistor connected between the first node and a fourth node; a sixth transistor connected between a first power line and the first node and which is turned off in response to a first emission control signal; a storage capacitor connected between the third node and the fourth node; and a first capacitor connected between the first power line and the fourth node.

公开(公告)号：US12154485B2

公开(公告)日：2024-11-26

申请号：US18133615

申请日：2023-04-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Se Hyuk Park ,  Hong Soo Kim ,  Young Ha Sohn ,  Jin Wook Yang ,  Dong Gyu Lee ,  Jae Hyeon Jeon

IPC: G09G3/32

Abstract: A pixel includes: a light emitting element; a first transistor including a gate electrode electrically connected to a first node, a second node to which a first power voltage for driving the light emitting element is to be applied, and a third node electrically connected to the light emitting element; and a bias control transistor configured to be controlled in operating timing thereof by a bias control signal, and configured to switch electrical connection between the second node and a bias power line for transmitting a bias voltage. In one frame period, a voltage level of the bias voltage to be applied to the second node sequentially increases.

公开(公告)号：US11798478B2

公开(公告)日：2023-10-24

申请号：US17840543

申请日：2022-06-14

Applicant: Samsung Display Co., LTD.

Inventor： Se Hyuk Park ,  Jin Young Roh ,  Woo Mi Bae ,  Hae Kwan Seo ,  Young Ha Sohn ,  Jin Wook Yang

IPC: G09G3/3241 ,  G09G3/20

CPC classification number: G09G3/3241 ,  G09G3/2074 ,  G09G2300/0413 ,  G09G2300/0426

Abstract: A display device includes: a data driver for supplying a data signal to each of a plurality of data lines; and a pixel unit including a plurality of sub-pixels. The pixel unit further includes one dummy data line disposed separate from a data line of a first column among the data lines. The data line of the first column is connected to sub-pixels disposed on odd-numbered pixel rows among sub-pixels disposed on a first pixel column, and is connected to sub-pixels disposed on even-numbered pixel rows among sub-pixels disposed on a third pixel column. The dummy data line is connected to sub-pixels disposed on the even-numbered pixel rows among the sub-pixels disposed on the first pixel column.

公开(公告)号：US10186195B2

公开(公告)日：2019-01-22

申请号：US15013892

申请日：2016-02-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Wook Yang ,  Young Wook Yoo

IPC: G09G3/3241 ,  G09G3/3233

Abstract: There are provided an organic light emitting display device capable of enhancing display quality. The organic light emitting display device includes a compensation unit configured to extract current information of an organic light emitting diode (OLED) of a pixel, and configured to determine a brightness compensation amount corresponding to the extracted current information, and a timing controller configured to generate second data by changing bits of externally supplied first data according to the brightness compensation amount, wherein the compensation unit is configured to obtain the brightness compensation amount using a current variation corresponding to a degradation of the OLED, and using a linear function corresponding to the current variation.

公开(公告)号：US09697774B2

公开(公告)日：2017-07-04

申请号：US14656570

申请日：2015-03-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Wook Yang

IPC: G09G3/32 ,  G09G3/20 ,  G09G3/3258 ,  G09G3/3225

CPC classification number: G09G3/3258 ,  G09G3/2092 ,  G09G3/3225 ,  G09G2300/08 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2320/0223 ,  G09G2320/029 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2320/08

Abstract: An organic light-emitting display comprises a first transistor comprising a gate electrode connected to a scan line, a first electrode connected to a data line, and a second electrode connected to a first node, a second transistor comprising a gate electrode connected to the first node, a first electrode connected to a first power supply voltage, and a second electrode connected to a third node, a third transistor comprising a gate electrode connected to a sensing control line, a first electrode connected to the data line, and a second electrode connected to the third node and an organic light-emitting device comprising an anode connected to the third node and a cathode connected to a second power supply voltage, wherein the first power supply voltage is set to a level of a sensing voltage for a period of time during which the sensing voltage is provided to the data line.

公开(公告)号：US09514682B2

公开(公告)日：2016-12-06

申请号：US14639920

申请日：2015-03-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Wook Yang

IPC: G09G3/30 ,  G09G3/32 ,  G09G3/20

CPC classification number: G09G3/3258 ,  G09G3/2022 ,  G09G3/3233 ,  G09G3/3291 ,  G09G2300/0819 ,  G09G2310/027 ,  G09G2310/0278 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2330/10

Abstract: An organic light-emitting display device displays a grayscale level by time-dividing each frame into N sub-frames, the organic light-emitting display device including: a plurality of pixels arranged in a matrix; a plurality of scan lines to be provided with a plurality of scan signals to turn on the plurality of pixels; and a plurality of data lines to be selectively provided with a plurality of data voltages or a plurality of sensing voltages to be applied to a number of the pixels that are turned on by each of the plurality of scan signals, wherein the scan signals are provided to N scan lines (where N is a natural number greater than 1) that are randomly selected from among the plurality of scan lines at intervals of a sub-horizontal period.

Abstract translation: 有机发光显示装置通过将每帧分时间分割为N个子帧来显示灰度级，该有机发光显示装置包括：以矩阵排列的多个像素; 多条扫描线，设置有多个扫描信号，以接通多个像素; 以及多个数据线，以选择性地提供多个数据电压或多个感测电压，以施加到通过多个扫描信号中的每一个被导通的多个像素，其中提供扫描信号 到N个扫描线（其中N是大于1的自然数），其以水平周期的间隔从多个扫描线中随机选择。

公开(公告)号：US20160293109A1

公开(公告)日：2016-10-06

申请号：US15013892

申请日：2016-02-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Wook Yang ,  Young Wook Yoo

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/3233 ,  G09G2320/0295 ,  G09G2320/045

Abstract: There are provided an organic light emitting display device capable of enhancing display quality. The organic light emitting display device includes a compensation unit configured to extract current information of an organic light emitting diode (OLED) of a pixel, and configured to determine a brightness compensation amount corresponding to the extracted current information, and a timing controller configured to generate second data by changing bits of externally supplied first data according to the brightness compensation amount, wherein the compensation unit is configured to obtain the brightness compensation amount using a current variation corresponding to a degradation of the OLED, and using a linear function corresponding to the current variation.

Abstract translation: 提供了能够提高显示质量的有机发光显示装置。 有机发光显示装置包括：补偿单元，被配置为提取像素的有机发光二极管（OLED）的电流信息，并且被配置为确定与所提取的当前信息相对应的亮度补偿量;以及定时控制器，其被配置为产生 通过根据亮度补偿量改变外部提供的第一数据的比特的第二数据，其中所述补偿单元被配置为使用对应于所述OLED的劣化的电流变化获得亮度补偿量，并且使用对应于所述电流的线性函数 变异。

公开(公告)号：US12020652B2

公开(公告)日：2024-06-25

申请号：US17365532

申请日：2021-07-01

Applicant: Samsung Display Co., Ltd.

Inventor： Ja Kyoung Jin ,  Yu Chol Kim ,  Ji Hye Kim ,  Jin Wook Yang ,  Seong Oh Yeom

IPC: G09G3/3291 ,  G09G3/3233

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/061 ,  G09G2310/08 ,  G09G2320/0247

Abstract: A display device includes: a pixel connected to a first scan line, a second scan line, and a data line, and including a light emitting element and a storage capacitor; and a timing controller configured to drive the pixel in a normal mode in which a driving frequency is maintained constant or a frequency variable mode according to a variable frequency signal supplied from outside, wherein in the normal mode, a first electrode voltage of the light emitting element is initialized in response to a data voltage being supplied to the storage capacitor, and wherein in the frequency variable mode, the first electrode voltage of the light emitting element is not initialized in response to the data voltage being supplied to the storage capacitor.

公开(公告)号：US11862101B2

公开(公告)日：2024-01-02

申请号：US17868153

申请日：2022-07-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Wook Yang ,  Gun Hee Kim ,  Sun Young Jung

IPC: G09G3/3266 ,  G09G3/3275

CPC classification number: G09G3/3266 ,  G09G3/3275 ,  G09G2300/0842 ,  G09G2310/0278 ,  G09G2330/021

Abstract: A display device includes: a pixel, a scan driver, an emission driver, and a data driver. The pixel includes: a light emitting element; a first transistor; a second transistor connected between a data line and a first node; a third transistor connected between a second node and a third node connected to a gate electrode of the first transistor; a fourth transistor connected between the second node and a third power line; a fifth transistor connected between the first node and a fourth node; a sixth transistor connected between a first power line and the first node and which is turned off in response to a first emission control signal; a storage capacitor connected between the third node and the fourth node; and a first capacitor connected between the first power line and the fourth node.