Gamma correction device for a display device, gamma correction method for a display device, and display device

    公开(公告)号:US10733932B2

    公开(公告)日:2020-08-04

    申请号:US16389036

    申请日:2019-04-19

    Abstract: A display device includes a display panel including a plurality of pixels, a reference gray mapping table configured to store reference gray mapping information indicating gamma correction reference gray levels to which reference gray levels are mapped, a gray mapper configured to map original gray levels indicated by input data to gamma correction gray levels using the reference gray mapping information stored in the reference gray mapping table, a dither configured to generate dithered output data to represent the gamma correction gray levels using the original gray levels, where a number of bits representing each of the gamma correction gray levels is greater than a number of bits representing each of the original gray levels, and a data driver configured to drive the display panel using the dithered output data.

    Electronic device
    4.
    发明授权

    公开(公告)号:US11727887B2

    公开(公告)日:2023-08-15

    申请号:US17722699

    申请日:2022-04-18

    Abstract: Provided is an electronic device according to an embodiment of the inventive concept may include a display panel including a plurality of pixels respectively connected to a plurality of data lines and a plurality of scan lines, a data driving circuit connected to the plurality of data lines, a scan driving circuit connected to the plurality of scan lines, and a driving controller generating image data, and controlling the data driving circuit and the scan driving circuit to display a plurality of frames at a first frequency on the display panel based on the image data, wherein at least one of the plurality of frames includes an effective interval during which an image is transmitted, a blanking interval during which the image is not transmitted, and a refresh interval operating at a second frequency different from the first frequency.

    Gamma correction device for a display device, gamma correction method for a display device, and display device

    公开(公告)号:US11250773B2

    公开(公告)日:2022-02-15

    申请号:US16909253

    申请日:2020-06-23

    Abstract: A display device includes a display panel including a plurality of pixels, a reference gray mapping table configured to store reference gray mapping information indicating gamma correction reference gray levels to which reference gray levels are mapped, a gray mapper configured to map original gray levels indicated by input data to gamma correction gray levels using the reference gray mapping information stored in the reference gray mapping table, a dither configured to generate dithered output data to represent the gamma correction gray levels using the original gray levels, where a number of bits representing each of the gamma correction gray levels is greater than a number of bits representing each of the original gray levels, and a data driver configured to drive the display panel using the dithered output data.

    Image processor, display device and driving method thereof
    7.
    发明授权
    Image processor, display device and driving method thereof 有权
    图像处理器,显示装置及其驱动方法

    公开(公告)号:US09466237B2

    公开(公告)日:2016-10-11

    申请号:US14447495

    申请日:2014-07-30

    Abstract: An image processing controller, a display device including the image processing controller and a driving method of the display device are disclosed. In one aspect, the method includes receiving an image signal and gamma correcting the image signal into at least one main area image signal. The method also includes interpolating the main area image signal into a boundary area image signal. The method further includes dithering the main area image signal and the boundary area image signal into a data signal and providing the data signal to a display panel.

    Abstract translation: 公开了一种图像处理控制器,包括图像处理控制器的显示装置和显示装置的驱动方法。 一方面,该方法包括接收图像信号和将图像信号校正为至少一个主区域图像信号的伽马。 该方法还包括将主区域图像信号内插到边界区域图像信号中。 该方法还包括将主区域图像信号和边界区域图像信号抖动成数据信号,并将数据信号提供给显示面板。

    IMAGE PROCESSOR, DISPLAY DEVICE AND DRIVING METHOD THEREOF
    8.
    发明申请
    IMAGE PROCESSOR, DISPLAY DEVICE AND DRIVING METHOD THEREOF 有权
    图像处理器,显示装置及其驱动方法

    公开(公告)号:US20150179094A1

    公开(公告)日:2015-06-25

    申请号:US14447495

    申请日:2014-07-30

    Abstract: An image processing controller, a display device including the image processing controller and a driving method of the display device are disclosed. In one aspect, the method includes receiving an image signal and gamma correcting the image signal into at least one main area image signal. The method also includes interpolating the main area image signal into a boundary area image signal. The method further includes dithering the main area image signal and the boundary area image signal into a data signal and providing the data signal to a display panel.

    Abstract translation: 公开了一种图像处理控制器,包括图像处理控制器的显示装置和显示装置的驱动方法。 一方面,该方法包括接收图像信号和将图像信号校正为至少一个主区域图像信号的伽马。 该方法还包括将主区域图像信号内插到边界区域图像信号中。 该方法还包括将主区域图像信号和边界区域图像信号抖动成数据信号,并将数据信号提供给显示面板。

    IMAGE PROCESSING DEVICE AND DISPLAY DEVICE HAVING THE SAME
    9.
    发明申请
    IMAGE PROCESSING DEVICE AND DISPLAY DEVICE HAVING THE SAME 有权
    图像处理装置和具有该图像处理装置的显示装置

    公开(公告)号:US20140184653A1

    公开(公告)日:2014-07-03

    申请号:US13873588

    申请日:2013-04-30

    CPC classification number: G06T5/20 G06T5/002 G06T2207/20192 G09G3/20

    Abstract: An image processing device includes a first filter that filters the image signal to output a first image signal, a second filter that converts the image signal corresponding to a predetermined pixel to a second image signal based on image signals corresponding to a plurality of peripheral pixels adjacent to the predetermined pixel, a third filter that filters the second image signal from the second filter to output a third image signal, a fourth filter that filters the third image signal from the third filter to output a fourth image signal, and an image synthesizer that synthesizes the first image signal from the first filter and the fourth image signal from the fourth filter.

    Abstract translation: 图像处理装置包括对图像信号进行滤波以输出第一图像信号的第一滤波器,基于与相邻的多个周边像素相对应的图像信号将对应于预定像素的图像信号转换为第二图像信号的第二滤波器 第三滤波器,滤波来自第二滤波器的第二图像信号以输出第三图像信号;滤波来自第三滤波器的第三图像信号以输出第四图像信号的第四滤波器;以及图像合成器,其中, 合成来自第一滤波器的第一图像信号和来自第四滤波器的第四图像信号。

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