公开(公告)号：US20220108656A1

公开(公告)日：2022-04-07

申请号：US17381134

申请日：2021-07-20

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hoon LEE ,  Myeong Su KIM ,  Jae Woo RYU

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

Abstract: A display device includes pixels connected to scan lines, sensing lines, readout lines, and data lines; a scan driver including stages to supply a scan signal and a sensing signal to the scan lines and the sensing lines; a data driver which supplies a data signal to the data lines; a timing controller which divides one frame into an active period including a scan period in which the data signal is supplied to the data lines and a display period in which the pixels emit light in response to the data signal, and a blank period including a sensing period in which electrical characteristics of the pixels are detected and a reset period in which the stages are reset; and a compensator which generates a compensation value for compensating for deterioration of the pixels based on sensing values provided from the readout lines during the sensing period.

公开(公告)号：US20210264830A1

公开(公告)日：2021-08-26

申请号：US17171505

申请日：2021-02-09

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hoon LEE ,  Jong Wook KIM ,  Kyoung Ho LIM

IPC: G09G3/00 ,  G09G3/20 ,  G09G3/3208

Abstract: A display device and a method of driving the same are provided. The method of driving the display includes a display area to display an image. The method includes performing a first pixel shift driving by shifting an image by a first range in the display area without loss of image information due to enlargement or reduction of the image, checking whether a change of a block grayscale value is greater than or equal to a threshold in an interest area in the display area, and performing second pixel shift driving by shifting an image having the loss of image information.

公开(公告)号：US20140340380A1

公开(公告)日：2014-11-20

申请号：US14020646

申请日：2013-09-06

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Yong SONG ,  Myeong Su KIM ,  Jae Hoon LEE ,  Jeong Bong LEE

IPC: G09G3/22

CPC classification number: G09G3/3266 ,  G09G3/3473 ,  G09G3/3677 ,  G09G2310/0267 ,  G09G2330/04

Abstract: A display device includes a plurality of pixels. The display device further includes a plurality of gate lines. The display device further includes a gate driver configured provide a plurality of gate signals through the plurality of gate lines to the plurality of pixels according to at least one of a discharge signal and a scanning start signal for controlling the plurality of pixels, the gate driver being configured to provide a plurality of gate-off signals through the plurality of gate lines to the plurality of pixels according to the discharge signal. The display device further includes a signal provider configured to provide the discharge signal to the gate driver when the signal provider determines that an image signal is abnormal.

Abstract translation: 显示装置包括多个像素。 显示装置还包括多条栅极线。 所述显示装置还包括栅极驱动器，所述栅极驱动器被配置为根据放电信号和用于控制所述多个像素的扫描开始信号中的至少一个，向所述多个像素提供通过所述多条栅极线的多个栅极信号，所述栅极驱动器 被配置为根据放电信号，通过多条栅极线向多个像素提供多个栅极截止信号。 显示装置还包括信号提供器，其被配置为当信号提供者确定图像信号异常时，向门驱动器提供放电信号。

公开(公告)号：US20230377496A1

公开(公告)日：2023-11-23

申请号：US18365393

申请日：2023-08-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae Hoon LEE ,  Jong Wook KIM ,  Kyoung Ho LIM

IPC: G09G3/00 ,  G09G3/20 ,  G09G3/3208

CPC classification number: G09G3/007 ,  G09G3/2003 ,  G09G3/3208 ,  G09G2340/06 ,  G09G2340/04

Abstract: A display device and a method of driving the same are provided. The method of driving the display includes a display area to display an image. The method includes performing a first first pixel shift driving by shifting an image by a first range in the display area without loss of image information due to enlargement or reduction of the image, checking whether a change of a block grayscale value is greater than or equal to a threshold in an interest area in the display area, and performing second pixel shift driving by shifting an image having the loss of image information.

公开(公告)号：US20230133826A1

公开(公告)日：2023-05-04

申请号：US17952314

申请日：2022-09-26

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hoon LEE ,  Jung Taek KIM

IPC: G09G3/32

Abstract: A display device includes: a display unit including a scan line, a data line, and a pixel connected to the scan line and the data line; a scan driver for supplying a scan signal to the scan line; a data driver for supplying a data signal to the data line in a display mode, supplying a first voltage and a second voltage to the data line respectively during a first period and a second period in a sensing mode, and outputting a first sensing signal and a second sensing signal by sensing a driving current of the pixel during the first period and the second period; and a timing controller for converting first image data into second image data, based on the first sensing signal and the second sensing signal.

公开(公告)号：US20220366836A1

公开(公告)日：2022-11-17

申请号：US17590535

申请日：2022-02-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae Hoon LEE

IPC: G09G3/32

Abstract: A scan driver includes a plurality of stages. A n-th stage among the plurality of stages includes a first input unit controlling a voltage of a first node in response to a previous carry signal, a scan output unit outputting a current scan signal corresponding to a scan clock signal in response to the voltage of the first node, a first switching unit controlling a voltage of a second node in response to the previous carry signal, a sensing output unit outputting a current sensing signal corresponding to a sensing clock signal in response to the voltage of the second node, a carry output unit outputting a current carry signal corresponding to a carry clock signal in response to the voltage of the second node, and a second switching unit controlling the voltage of the second node in response to the sensing clock signal or the carry clock signal.

公开(公告)号：US20220198998A1

公开(公告)日：2022-06-23

申请号：US17479306

申请日：2021-09-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hee Sook PARK ,  Kyoung Ho LIM ,  Seung Ho PARK ,  Jae Hoon LEE

IPC: G09G3/32

Abstract: A display device includes a set period setting unit for setting, as a set time, a time for which a set period elapses from a time at which a first area included in an input image is detected as a still area, and a gain generator for gradually decreasing an initial level of a gain value down to a saturation level having a lowest value of the gain value from the set time. The set period setting unit differently sets the saturation level of the gain value and a final level of the gain value, corresponding to grayscale values of the first area and a load value of the input image. The load value is an average value of grayscale values of an entirety of an area of the input image.

公开(公告)号：US20220130339A1

公开(公告)日：2022-04-28

申请号：US17572577

申请日：2022-01-10

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hoon LEE ,  Hyun Bo BYUN ,  Kyoung Ho LIM

IPC: G09G3/3291

Abstract: A display device includes a display panel including a first data line, a second data line, and a pixel, the pixel including a first sub-pixel coupled to the first data line, and a second sub-pixel coupled to the second data line, a light stress compensator configured to generate a first data voltage control signal for the first sub-pixel based on a second data value of input image data for the second sub-pixel, in response to a first data value of input image data for the first sub-pixel being equal to or less than a first reference value, and a data driver configured to generate a first data signal based on the first data value for the first sub-pixel, to provide a first data voltage to the first data line, and to vary the first data voltage based on the first data voltage control signal.

公开(公告)号：US20210375223A1

公开(公告)日：2021-12-02

申请号：US17402439

申请日：2021-08-13

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hoon LEE ,  Seung Ho PARK ,  Hee Sook PARK ,  Kyoung Ho LIM

IPC: G09G3/36

Abstract: An afterimage compensator and a display device having the same are disclosed, and the afterimage compensator includes an image analyzer configured to determine an amount of image variation based on a change of image data, and an image shifter configured to adjust a shift interval, which is an interval between time points at which an image is shifted, according to the amount of image variation.

公开(公告)号：US20170169750A1

公开(公告)日：2017-06-15

申请号：US15372444

申请日：2016-12-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hae Goo JUNG ,  Jae Woo SONG ,  Jae Hoon LEE

IPC: G09G3/20 ,  G09G3/3258

CPC classification number: G09G3/2003 ,  G09G3/3233 ,  G09G3/3258 ,  G09G2300/0452 ,  G09G2320/0242 ,  G09G2320/0646 ,  G09G2330/028

Abstract: In order to display an image in a display device, in which a plurality of sub pixels within a unit pixel receives driving power from one driving power line, a driving voltage stability weak pattern is detected by analyzing image data. When the input image is determined as the driving voltage stability weak pattern, a white balance correction gain of each sub pixel is decreased while a ratio among the white balance correction gains of the sub pixels is maintained. Target luminance for displaying the input image is changed. A voltage level of the driving power is change in accordance with the changed target luminance.