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公开(公告)号:US20250087138A1
公开(公告)日:2025-03-13
申请号:US18951378
申请日:2024-11-18
Applicant: Samsung Display Co., LTD.
Inventor: Seok Ha HONG , Hyung Jin KIM , Kyung Su LEE
IPC: G09G3/32
Abstract: A display device includes: a memory; a pixel unit including first pixels disposed with a first density in a first area and second pixels disposed with a second density smaller than the first density in a second area in contact with the first area; and a degradation compensator which updates degradation information stored in the memory, based on input grayscales for the first and second pixels, and changes the input grayscales to output grayscales, based on the degradation information. The degradation compensator stores the degradation information in the memory in a unit of block for the pixel unit. The memory stores only first degradation information for each of first blocks including only the first pixels, stores only second degradation information for each of second blocks including only the second pixels, and stores the first and second degradation information for each of third blocks including both the first and second pixels.
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12.
公开(公告)号:US20240135880A1
公开(公告)日:2024-04-25
申请号:US18492681
申请日:2023-10-22
Applicant: Samsung Display Co., LTD.
Inventor: Seok Ha HONG , Joon Chul GOH , Dong Joon KWAG , Hyung Jin KIM , Jae Sung BAE
IPC: G09G3/3233 , G09G3/20 , H01L25/16
CPC classification number: G09G3/3233 , G09G3/2007 , H01L25/167 , G09G2300/0819 , G09G2300/0842 , G09G2320/0233 , G09G2320/0257 , G09G2320/0285 , G09G2320/045 , G09G2360/06
Abstract: The display device includes a display panel and a pixel. A compensator configured to calculate a degradation rate of the pixel based on an input gray level of first image data, and compensates the first image data based on the degradation rate to generate second image data. A data driver configured to generate a data signal based on the second image data and configured to supply the data signal to the pixel. The pixel includes a first element group and a second element group connected in series to each other, the first element group includes at least one first light emitting element, and the second element group includes at least one second light emitting element. The compensator is to calculate the degradation rate by applying first information on the number of the first light emitting elements and second information on the number of the second light emitting elements.
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公开(公告)号:US20140354619A1
公开(公告)日:2014-12-04
申请号:US14142241
申请日:2013-12-27
Applicant: Samsung Display Co., Ltd.
Inventor: Dae-Gwang JANG , Seok Ha HONG
IPC: G09G3/36
CPC classification number: G09G3/3696 , G09G2320/10 , G09G2330/022
Abstract: A controller for a liquid crystal display includes a data driver and a gate driver. The data driver applies data voltages having different polarities to a first pixel and a second pixel. The gate driver applies different gate-on voltages to a first gate line coupled to the first pixel and a second gate line coupled to the second pixel. The gate-on voltages have at least one of a different width or a different level when at least one of a still image or a moving picture is to be displayed. The different gate-on voltages translate into different pixel charging speeds, which may translate into improvements in the luminance and/or other properties of the display.
Abstract translation: 液晶显示器的控制器包括数据驱动器和门驱动器。 数据驱动器将具有不同极性的数据电压施加到第一像素和第二像素。 栅极驱动器对耦合到第一像素的第一栅极线和耦合到第二像素的第二栅极线施加不同的栅极导通电压。 当要显示静止图像或运动图像中的至少一个时,栅极导通电压具有不同宽度或不同电平中的至少一个。 不同的导通电压转换成不同的像素充电速度,这可能转化为显示器的亮度和/或其他性质的改进。
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公开(公告)号:US20140160182A1
公开(公告)日:2014-06-12
申请号:US13939566
申请日:2013-07-11
Applicant: Samsung Display Co., Ltd.
Inventor: Seok Ha HONG , Dae-Gwang JANG , Sang Mi KIM , Ung Gyu MIN , Ji Myoung SEO , Bong Hyun YOU , Hyun Sik HWANG , Gi Geun KIM , Jong Hee KIM , Kyoung Won LEE
CPC classification number: G09G5/00 , G09G3/3696 , G09G5/02 , G09G2300/08 , G09G2310/0213 , G09G2330/021 , G09G2330/028 , G09G2360/08
Abstract: A display device includes a display panel including a gate line, a data line, and a pixel connected to the gate line and the data line, a data driver connected to the data line, a gate driver connected to the gate line, and a signal controller controlling the data driver and the gate driver, wherein a circuits powering power source voltage that is normally used for driving the data driver is selectively not applied during a new-image blanking time when the signal controller is not supplying image data to the data driver.
Abstract translation: 显示装置包括:显示面板,包括栅极线,数据线,连接到栅极线和数据线的像素;连接到数据线的数据驱动器;连接到栅极线的栅极驱动器;以及信号 控制数据驱动器和栅极驱动器的控制器,其中,当信号控制器不向数据驱动器提供图像数据时,在新图像消隐时间期间,选择性地不应用为正常用于驱动数据驱动器的电源电压供电的电路 。
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15.
公开(公告)号:US20140085276A1
公开(公告)日:2014-03-27
申请号:US13949665
申请日:2013-07-24
Applicant: Samsung Display Co., Ltd.
Inventor: Dae-Gwang JANG , Ung Gyu MIN , Seok Ha HONG , Hyun Sik HWANG , Byung Sun KIM , Sang Mi KIM , Bong Hyun YOU , Ji Myoung SEO
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G3/2007 , G09G2310/0213 , G09G2310/04 , G09G2320/103 , G09G2330/021 , G09G2340/0435 , G09G2360/16
Abstract: A driving method of a display device includes: determining each of a plurality of pixel rows of the display device as one of a motion picture display pixel row and a still image display pixel row by comparing image data of each of the pixel rows in a current frame and in a previous frame; and driving the motion picture display pixel row with a motion picture frequency and driving the still image display pixel row with a still image display frequency, which is lower than or equal to the motion picture frequency, where a plurality of still image display pixel rows are driven with at least two still image display frequencies.
Abstract translation: 显示装置的驱动方法包括:通过比较电流中的每个像素行的图像数据,将显示装置的多个像素行中的每一个确定为运动图像显示像素行和静止图像显示像素行中的一个 框架和前一帧; 并以运动图像频率驱动运动图像显示像素行,并且以静止图像显示频率驱动静止图像显示像素行,该静止图像显示频率低于或等于运动图像频率,其中多个静止图像显示像素行是 用至少两个静止图像显示频率驱动。
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16.
公开(公告)号:US20240233642A9
公开(公告)日:2024-07-11
申请号:US18492681
申请日:2023-10-23
Applicant: Samsung Display Co., LTD.
Inventor: Seok Ha HONG , Joon Chul GOH , Dong Joon KWAG , Hyung Jin KIM , Jae Sung BAE
IPC: G09G3/3233 , G09G3/20 , H01L25/16
CPC classification number: G09G3/3233 , G09G3/2007 , H01L25/167 , G09G2300/0819 , G09G2300/0842 , G09G2320/0233 , G09G2320/0257 , G09G2320/0285 , G09G2320/045 , G09G2360/06
Abstract: The display device includes a display panel and a pixel. A compensator configured to calculate a degradation rate of the pixel based on an input gray level of first image data, and compensates the first image data based on the degradation rate to generate second image data. A data driver configured to generate a data signal based on the second image data and configured to supply the data signal to the pixel. The pixel includes a first element group and a second element group connected in series to each other, the first element group includes at least one first light emitting element, and the second element group includes at least one second light emitting element. The compensator is to calculate the degradation rate by applying first information on the number of the first light emitting elements and second information on the number of the second light emitting elements.
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公开(公告)号:US20220070352A1
公开(公告)日:2022-03-03
申请号:US17397387
申请日:2021-08-09
Applicant: Samsung Display Co., LTD.
Inventor: Seok Ha HONG , Dong Joon KWAG , Hyung Jin KIM
IPC: H04N5/235 , G09G3/3291
Abstract: An optical compensation device includes a measurement part that measures a luminance of a reference point of a display panel displaying an image and a luminance of a neighboring point separated from the reference point to generate measurement data, a camera that photographs a surface of the display panel to generate a photographed image, and a compensation part that generates a scaling value of the neighboring point based on the measurement data of the reference point, a photographed data generated based on the photographed image of the reference point, the measurement data of the neighboring point, and a photographed data generated based on the photographed image of the neighboring point, and generates compensation data of the neighboring point based on the scaling value of the neighboring point and the photographed data of the reference point.
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18.
公开(公告)号:US20210383736A1
公开(公告)日:2021-12-09
申请号:US17152629
申请日:2021-01-19
Applicant: Samsung Display Co., Ltd.
Inventor: Seok Ha HONG , Dong Joon KWAG , Hyung Jin KIM , Hye Sang PARK
IPC: G09G3/20
Abstract: A luminance compensating apparatus includes a luminance characteristic value calculator calculating a first luminance characteristic value corresponding to a first unit section between first and second reference gray levels, and a second luminance characteristic value corresponding to a second unit section between second and third reference gray levels based on a first luminance value, a second luminance value, and a third luminance value; an expected correction gray level calculator calculating an expected correction gray level corresponding to the first reference gray level based on the first luminance value; and a compensation gray level calculator calculating a gamma compensation value based on the first luminance characteristic value when the expected correction gray level is included in the first unit section, and based on the first luminance characteristic value and the second luminance characteristic value when the expected correction gray level is included in the second unit section.
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公开(公告)号:US20180322844A1
公开(公告)日:2018-11-08
申请号:US15935812
申请日:2018-03-26
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Jae Hoon LEE , Jai Hyun KOH , Heen Dol KIM , Bong Hyun YOU , Soo Yeon LEE , Seok Ha HONG
CPC classification number: G09G3/3696 , G09G5/10 , G09G2300/0413 , G09G2320/0247 , G09G2320/029
Abstract: A display device may include display pixels configured to emit light at a luminance corresponding to a data signal, at least one auxiliary pixel configured to store an auxiliary voltage, a gate driver configured to supply a gate signal to the display pixels and the auxiliary pixel, a data driver configured to convert image data into the data signal, and supply an auxiliary voltage having a preset level to the auxiliary pixel. A sensing circuit is configured to sense a change in the auxiliary pixel for each frame, and generate compensation voltage information. A timing controller is configured to convert an image signal into the image data, and generate a driving voltage control signal. A voltage generation unit is configured to generate a driving voltage corresponding to the driving voltage control signal, and generate the reference gamma voltage based on the driving voltage.
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公开(公告)号:US20160266704A1
公开(公告)日:2016-09-15
申请号:US14847546
申请日:2015-09-08
Applicant: Samsung Display Co., Ltd.
Inventor: Dong-Won PARK , Bong Hyun YOU , Nam-Gon CHOI , Seok Ha HONG , Jung-Won KIM , Dong Gyu LEE , Jae Hyun CHO , Jae Hyung CHO
CPC classification number: G06F3/0416 , G06F3/1446 , G09G2370/16
Abstract: A tiled display device includes a first display device including a first display panel configured to sense a touch thereon and display an image signal, and a first controller configured to control the first display panel and transmit a reference signal wirelessly, and a second display device including a second display panel configured to sense a touch thereon and display the image signal, and a second controller configured to control the second display panel and transmit a first ACK signal to the first controller after receiving the reference signal, in which the first controller is configured to determine a first latency time of the second display device by using the reference signal and the first ACK signal and synchronize touch information of the first and second display devices according to the first latency time.
Abstract translation: 平铺显示装置包括:第一显示装置,包括被配置为感测其上的触摸并显示图像信号的第一显示面板;以及第一控制器,被配置为控制第一显示面板并无线地发送参考信号;以及第二显示装置, 第二显示面板,被配置为感测其上的触摸并显示图像信号,以及第二控制器,被配置为控制第二显示面板,并且在接收到参考信号之后,向第一控制器发送第一ACK信号,其中配置第一控制器 通过使用参考信号和第一ACK信号来确定第二显示设备的第一等待时间,并根据第一等待时间同步第一和第二显示设备的触摸信息。
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