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    Display apparatus, display system having the same and method of compensating display quality using the same
    11.
    发明授权
    Display apparatus, display system having the same and method of compensating display quality using the same 有权

    公开(公告)号：US11250760B2

    公开(公告)日：2022-02-15

    申请号：US17146717

    申请日：2021-01-12

    Applicant: Samsung Display Co., Ltd.

    Inventor： Seung Hwan Park ,  Kang Hyun Kim ,  Hoi Sik Moon ,  Jae-Seob Chung

    IPC: G09G3/20

    Abstract: A display apparatus includes a display panel, a gate driver, a data driver and a driving controller. The display panel is configured to display an image based on input image data. The gate driver is configured to output gate signals to gate lines of the display panel. The data driver is configured to output data voltages to data lines of the display panel. The driving controller includes a first compensation lookup table and a second compensation lookup table which are configured to compensate the input image data. The driving controller is configured to select one of the first compensation lookup table and the second compensation lookup table based on a first color shift and a second color shift and to apply the selected one of the first compensation lookup table and the second compensation lookup table to the input image data.

    Display device supporting variable frame mode, and method of operating display device
    12.
    发明授权
    Display device supporting variable frame mode, and method of operating display device 有权

    公开(公告)号：US11043184B2

    公开(公告)日：2021-06-22

    申请号：US16523479

    申请日：2019-07-26

    Applicant: Samsung Display Co., Ltd.

    Inventor： Taehyeong An ,  Jai-Hyun Koh ,  Hoi Sik Moon ,  Jae Sung Bae ,  Namjae Lim ,  Nam-Gon Choi

    IPC: G09G5/00

    Abstract: A display device includes a display panel comprising a plurality of pixels, a data driver configured to generate data voltages based on a gamma reference voltage, and to provide the data voltages to the plurality of pixels, a gate driver configured to provide gate signals to the plurality of pixels, and a controller configured to control the data driver and the gate driver. The controller is configured to initialize the gamma reference voltage when a blank period starts in a frame period comprising an active period and the blank period, and to change the gamma reference voltage when a duration of the blank period reaches at least one threshold time.

    Image processing device and image processing method for correcting images obtained from a display surface of mass produced display device
    13.
    发明授权
    Image processing device and image processing method for correcting images obtained from a display surface of mass produced display device 有权

    公开(公告)号：US10979629B2

    公开(公告)日：2021-04-13

    申请号：US16402168

    申请日：2019-05-02

    Applicant: Samsung Display Co., Ltd.

    Inventor： Min Gyu Kim ,  Se Yun Kim ,  Si Hun Jang ,  Hoi Sik Moon

    IPC: H04N5/232

    Abstract: An image processing device for a mass produced display device includes an image obtaining capture to provide a single image frame including intensity values for respective coordinates of a display surface of the display device, and an image correcting unit to correct the intensity values of the single image frame of the display surface by using correction amount values with the corresponding correction direction values to provide a de-blurring image frame for the display surface, wherein the image correcting unit includes a correction amount calculating unit to calculate the correction amount values for the respective coordinates by using first derivative values with respect to the intensity values of the single image frame, and a correction direction calculating unit to calculate the correction direction values for the respective coordinates by using second derivative values with respect to the intensity values of the single image frame.

    Display device and method of correcting mura in the same
    14.
    发明授权
    Display device and method of correcting mura in the same 有权

    公开(公告)号：US10902822B2

    公开(公告)日：2021-01-26

    申请号：US16507576

    申请日：2019-07-10

    Applicant: Samsung Display Co., Ltd.

    Inventor： Byoung Seok Yoo ,  Hoi Sik Moon ,  Jeongwoon Lee

    IPC: G09G5/10 ,  G09G5/39 ,  G09G3/36

    Abstract: A display device includes: a first memory storing mura correcting data respectively corresponding to a plurality of reference pixels, each of the plurality of reference pixels comprising (n×m) pixels, the mura correcting data configured to correct mura of a reference pixel (‘n’ and ‘m’ are natural numbers being equal to or more than 2); a first correction controller configured to generate mura correcting data of a pixel using the mura correcting data of the reference pixel stored in the first memory; a second memory storing spot correcting data respectively corresponding to a plurality of spot-muras; a second correction controller configured to output the spot correcting data from the second memory based on a position data of the spot-mura; and an operation part configured to correct pixel data of the pixel using the mura correcting data and the spot correcting data of the pixel.

    Liquid-crystal display device having paired sub-pixel electrodes
    15.
    发明授权
    Liquid-crystal display device having paired sub-pixel electrodes 有权

    公开(公告)号：US10254596B2

    公开(公告)日：2019-04-09

    申请号：US15457240

    申请日：2017-03-13

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Kang Hyun Kim ,  Hoi Sik Moon

    IPC: G02F1/1335 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368

    Abstract: A liquid-crystal display device includes a first substrate, a plurality of pixel units disposed on the first substrate, a color filter layer overlapping the plurality of pixel units and including first to third color filters, a second substrate facing the first substrate, and a liquid-crystal layer interposed between the first substrate and the second substrate. Each of the pixel units of the plurality of the pixel units includes a first pixel, a second pixel and a third pixel. The first pixel includes a first pixel electrode, the second pixel includes a second pixel electrode, and the third pixel includes a first sub-pixel electrode and a second sub-pixel electrode. A voltage applied to the first sub-pixel electrode is different from a voltage applied to the second sub-pixel electrode.

    Display device and driving method thereof
    16.
    发明授权
    Display device and driving method thereof 有权
    显示装置及其驱动方法

    公开(公告)号：US09430960B2

    公开(公告)日：2016-08-30

    申请号：US14148501

    申请日：2014-01-06

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jae-Suk Choi ,  Hoi Sik Moon ,  Gwang Ho Nam ,  Chang-Soo Lee ,  Min-Yup Chae ,  Hak-Mo Choi

    IPC: G06F3/038 ,  G09G3/20 ,  G09G3/36

    CPC classification number: G09G3/20 ,  G09G3/3614 ,  G09G2320/0209 ,  G09G2320/0219 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/0257 ,  G09G2320/0285

    Abstract: A display device and a driving method thereof are disclosed. In one aspect, the display device includes a display panel including a plurality of pixels, a data driver transferring data voltages to a plurality of data lines, and a gate driver transferring gate signals to a plurality of gate lines. The display device also includes a signal controller controlling the data driver and the gate driver and including a signal processor. The signal processor includes a memory and a coupling index calculator calculating a coupling index which represents a coupling degree between adjacent rows. The signal processor compensates for the input image signal to generate a compensated image signal based at least in part on the coupling index.

    Abstract translation: 公开了一种显示装置及其驱动方法。 一方面，显示装置包括包括多个像素的显示面板，向多条数据线传送数据电压的数据驱动器，以及将门信号传送到多条栅极线的栅极驱动器。 显示装置还包括控制数据驱动器和门驱动器并包括信号处理器的信号控制器。 信号处理器包括存储器和耦合索引计算器，计算表示相邻行之间的耦合度的耦合索引。 信号处理器至少部分地基于耦合指数补偿输入图像信号以产生补偿图像信号。

    Display apparatus and method for driving the same
    18.
    发明授权
    Display apparatus and method for driving the same 有权

    公开(公告)号：US11380241B2

    公开(公告)日：2022-07-05

    申请号：US17093117

    申请日：2020-11-09

    Applicant: Samsung Display Co., Ltd.

    Inventor： Min Gyu Kim ,  Hee Joon Kim ,  Si Hun Jang ,  Hoi Sik Moon

    IPC: G09G3/20

    Abstract: A display device according to some embodiments includes a display panel including a plurality of pixels, a timing controller for correcting an input image signal, and for transmitting the input image to the display panel, a memory for storing model correction data for correcting a gray value, the model correction data corresponding to respective models of a plurality of timing controllers, and for storing image quality correction data for correcting a gamma deviation of the display panel, and a correction controller for generating final correction data by using the model correction data and the image quality correction data, and for transmitting the final correction data to the timing controller.

    Image data correcting device, and display device including the same
    19.
    发明授权
    Image data correcting device, and display device including the same 有权

    公开(公告)号：US11282478B2

    公开(公告)日：2022-03-22

    申请号：US16529640

    申请日：2019-08-01

    Applicant: Samsung Display Co., Ltd.

    Inventor： Byoung Seok Yoo ,  Hoi Sik Moon ,  Jeongwoon Lee

    IPC: G09G5/10

    Abstract: An image data correcting device included in a display device includes a correction data memory and a correction calculator. The correction data memory stores sampling window select information indicating a sampling window selected from a plurality of sampling windows that are different from each other, and correction data obtained utilizing the selected sampling window with respect to the display device. The correction calculator receives image data, and corrects the image data based on the correction data for pixels at positions corresponding to the selected sampling window indicated by the sampling window select information.

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