公开(公告)号：US20210049960A1

公开(公告)日：2021-02-18

申请号：US17090308

申请日：2020-11-05

Applicant: Samsung Display Co., Ltd.

Inventor： Sang-Myeon HAN

IPC: G09G3/3208

Abstract: A image sticking compensating device according to example embodiments includes a degradation calculator configured to calculate a degradation weight based on input image data, and to calculate degradation data of a frame, an accumulator configured to accumulate the degradation data, and to generate age data using the accumulated degradation data, and a compensator configured to determine a grayscale compensation value corresponding to the age data and an input grayscale of the input image data, and to output age compensation data by applying the grayscale compensation value to the input image data.

公开(公告)号：US20140139502A1

公开(公告)日：2014-05-22

申请号：US13782045

申请日：2013-03-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sang-Myeon HAN

IPC: G09G3/00

CPC classification number: G09G3/3233 ,  G09G3/003 ,  G09G3/30 ,  G09G5/00 ,  G09G2300/043 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2300/0876 ,  G09G2320/045

Abstract: A display device includes a plurality of pixels including a first capacitor connected between a data line and a first node, a switching transistor connecting the first node and a second node, a first light emitting transistor transmitting a first power source voltage to the second node, a driving transistor having one electrode connected to the second node and controlling a driving current flowing to an organic light emitting diode (OLED), and a reference voltage transistor transmitting a reference voltage to the first node, wherein, when the first power source voltage is applied to the second node through the first light emitting transistor such that a light emitting step in which the OLED emits light is simultaneously performed in a plurality of pixels.

Abstract translation: 显示装置包括多个像素，包括连接在数据线和第一节点之间的第一电容器，连接第一节点和第二节点的开关晶体管，向第二节点传输第一电源电压的第一发光晶体管， 驱动晶体管，其一个电极连接到第二节点并控制流向有机发光二极管（OLED）的驱动电流;以及参考电压晶体管，其向第一节点传输参考电压，其中，当第一电源电压为 通过第一发光晶体管施加到第二节点，使得在多个像素中同时执行OLED发光的发光步骤。

公开(公告)号：US20140354703A1

公开(公告)日：2014-12-04

申请号：US14046484

申请日：2013-10-04

Applicant: Samsung Display Co., Ltd.

Inventor： Sang-Myeon HAN ,  Baek-Woon LEE ,  Kwang-Sub SHIN

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/003 ,  G09G2300/0842 ,  G09G2320/0673 ,  G09G2330/021 ,  G09G2360/16 ,  G09G2360/18

Abstract: An organic light emitting diode display includes: a display panel including a plurality of pixels; an image processor which receives a plurality of image data, where the image processor generates a scale control variation for each of the image data, and performs a gamma-correction on the image data based on the scale control variation and predetermined gamma curve information to output a plurality of grayscale data; and a power controller which controls a driving voltage supplied to the display panel based on the scale control variation of each of the image data.

Abstract translation: 有机发光二极管显示器包括：包括多个像素的显示面板; 接收多个图像数据的图像处理器，其中图像处理器为每个图像数据生成缩放控制变化，并且基于缩放控制变化和预定伽马曲线信息对图像数据执行伽马校正以输出 多个灰度数据; 以及功率控制器，其基于每个图像数据的比例控制变化来控制提供给显示面板的驱动电压。

公开(公告)号：US20140320469A1

公开(公告)日：2014-10-30

申请号：US14328925

申请日：2014-07-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sang-Myeon HAN

IPC: G09G3/32

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0264

Abstract: A pixel, a display device using the pixel and a method of driving the display device are provided. The pixel may include an organic light emitting diode, a driving circuit for generating and transmitting driving current depending on data signals to the organic light emitting diode, and at least one switch connected between a power wire for applying a first voltage to the organic light emitting diode and a data line for transmitting the data signals. The at least one switch may include a compensating circuit for electronically connecting the power wire to the data line for a predetermined period to transmit the first voltage through the data line.

Abstract translation: 提供像素，使用像素的显示装置和驱动显示装置的方法。 像素可以包括有机发光二极管，用于根据数据信号产生和发送驱动电流到有机发光二极管的驱动电路，以及连接在用于向有机发光二极管施加第一电压的电源线之间的至少一个开关 二极管和用于传输数据信号的数据线。 所述至少一个开关可以包括补偿电路，用于将电源线电连接到数据线一段预定时间段，以通过数据线传输第一电压。

公开(公告)号：US20230038211A1

公开(公告)日：2023-02-09

申请号：US17967802

申请日：2022-10-17

Applicant: Samsung Display Co., Ltd.

Inventor： Sang-Myeon HAN

IPC: G09G3/3208

Abstract: A image sticking compensating device according to example embodiments includes a degradation calculator configured to calculate a degradation weight based on input image data, and to calculate degradation data of a frame, an accumulator configured to accumulate the degradation data, and to generate age data using the accumulated degradation data, and a compensator configured to determine a grayscale compensation value corresponding to the age data and an input grayscale of the input image data, and to output age compensation data by applying the grayscale compensation value to the input image data.

公开(公告)号：US20140139505A1

公开(公告)日：2014-05-22

申请号：US13853564

申请日：2013-03-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sang-Myeon HAN

IPC: G09G5/00

CPC classification number: G09G3/003 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0216 ,  H04N13/341 ,  H04N13/398

Abstract: A display device and a driving method thereof. The display device includes a plurality of pixels, each receiving a predetermined on-bias voltage transferred through a data line during one frame, receiving a first image data signal corresponding to the corresponding frame through the data line and storing the same, and emitting light according to a driving current that corresponds to a second image data signal that corresponds to the previous frame of the corresponding frame, and a first period for storing the first image data signal and a second period for light emission according to a driving current corresponding to the second image data signal overlap each other in one frame.

Abstract translation: 一种显示装置及其驱动方法。 显示装置包括多个像素，每个像素在一帧期间接收通过数据线传送的预定的偏置电压，通过数据线接收对应于相应帧的第一图像数据信号并存储，并且根据 对应于对应于对应帧的先前帧的第二图像数据信号的驱动电流，以及用于存储第一图像数据信号的第一周期和用于根据与第二图像对应的驱动电流的发光的第二周期 图像数据信号在一帧中彼此重叠。

公开(公告)号：US20240282255A1

公开(公告)日：2024-08-22

申请号：US18645225

申请日：2024-04-24

Applicant: Samsung Display Co., Ltd.

Inventor： Sang-Myeon HAN

IPC: G09G3/3208

CPC classification number: G09G3/3208 ,  G09G2320/0257 ,  G09G2320/0271 ,  G09G2320/041 ,  G09G2320/046 ,  G09G2320/048 ,  G09G2320/0666 ,  G09G2360/16

Abstract: A image sticking compensating device according to example embodiments includes a degradation calculator configured to calculate a degradation weight based on input image data, and to calculate degradation data of a frame, an accumulator configured to accumulate the degradation data, and to generate age data using the accumulated degradation data, and a compensator configured to determine a grayscale compensation value corresponding to the age data and an input grayscale of the input image data, and to output age compensation data by applying the grayscale compensation value to the input image data.

公开(公告)号：US20170213493A1

公开(公告)日：2017-07-27

申请号：US15411486

申请日：2017-01-20

Applicant: Samsung Display Co., Ltd.

Inventor： Sang-Myeon HAN

IPC: G09G3/20

CPC classification number: G09G3/3208 ,  G09G2320/0257 ,  G09G2320/0271 ,  G09G2320/041 ,  G09G2320/046 ,  G09G2320/048 ,  G09G2320/0666 ,  G09G2360/16

Abstract: A image sticking compensating device according to example embodiments includes a degradation calculator configured to calculate a degradation weight based on input image data, and to calculate degradation data of a frame, an accumulator configured to accumulate the degradation data, and to generate age data using the accumulated degradation data, and a compensator configured to determine a grayscale compensation value corresponding to the age data and an input grayscale of the input image data, and to output age compensation data by applying the grayscale compensation value to the input image data.

公开(公告)号：US20160098952A1

公开(公告)日：2016-04-07

申请号：US14816910

申请日：2015-08-03

Applicant: Samsung Display Co., Ltd.

Inventor： Sang-Myeon HAN ,  Baek-Woon Lee

IPC: G09G3/32

CPC classification number: G09G3/3225 ,  G09G2320/0233 ,  G09G2320/0285 ,  G09G2320/029 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2360/16

Abstract: Exemplary embodiments of the present invention disclose a display device, and a method of driving the same. The display device includes a display unit including pixels included in one or more deterioration region groups and pixels included in one or more reference groups corresponding to the deterioration region groups, a sensing unit configured to sense a current flowing through an organic light emitting diode of each of the deterioration region groups and each of the reference groups and provide current information about the deterioration region group and current information about the reference group. Exemplary embodiments of the present invention also provide a compensation circuit configured to convert first data supplied from the outside into second data by using compensation data corresponding to a compensation prediction curve and output the second data, and compare the current information about the deterioration region group and the current information about the reference group and correct the compensation prediction curve for the deterioration region group; and a data driver configured to supply the second data to the display unit through data lines as data signals.

Abstract translation: 本发明的示例性实施例公开了一种显示装置及其驱动方法。 显示装置包括：显示单元，包括一个或多个劣化区域组中包括的像素，以及包括在与劣化区域组对应的一个或多个参考组中的像素;感测单元，被配置为感测流过有机发光二极管的电流 的劣化区域组和每个参考组，并提供关于劣化区域组的当前信息和关于参考组的当前信息。 本发明的示例性实施例还提供一种补偿电路，其被配置为通过使用与补偿预测曲线相对应的补偿数据将从外部提供的第一数据转换为第二数据，并输出第二数据，并将关于劣化区域组的当前信息和 关于参考组的当前信息，并修正劣化区域组的补偿预测曲线; 以及数据驱动器，被配置为通过作为数据信号的数据线将第二数据提供给显示单元。