Image sticking controller and method for operating the same

    公开(公告)号:US10102797B2

    公开(公告)日:2018-10-16

    申请号:US14501402

    申请日:2014-09-30

    Abstract: An image sticking controller includes a gamma conversion unit configured to gamma-convert gray scale values respectively corresponding to a plurality of pixels, and to output the gamma-converted gray scale values as gamma conversion values, a data accumulation unit configured to accumulate the gamma conversion values into an accumulation data, the accumulation data including a minimum accumulation value, a maximum difference value indicating a difference between the minimum accumulation value and a maximum accumulation value, and difference values indicating respective differences between the minimum accumulation value and an accumulation value of each of the pixels, an image sticking analysis unit configured to output an image sticking decrease control signal when the maximum difference value is greater than a reference value, and a data conversion unit configured to convert the gray scale values in response to the image sticking decrease control signal, such that image sticking is reduced.

    Display device including RGBW sub-pixels and method of driving the same
    2.
    发明授权
    Display device including RGBW sub-pixels and method of driving the same 有权
    显示装置包括RGBW子像素及其驱动方法

    公开(公告)号:US09196193B2

    公开(公告)日:2015-11-24

    申请号:US13773257

    申请日:2013-02-21

    Abstract: A display device includes a data mapping unit for extracting a minimum value among three-color input data which respectively correspond to red, green, and blue, determining white color output data by multiplying the extracted minimum value by a gain ratio, and determining red, green, and blue color output data respectively by subtracting the white color output data from the three-color input data; and a gain adjustment unit for determining the gain ratio to minimize a standard deviation respectively for the white color output data and the red, green, and blue color output data.

    Abstract translation: 显示装置包括:数据映射单元,用于提取分别对应于红色,绿色和蓝色的三色输入数据中的最小值,通过将提取的最小值乘以增益比来确定白色输出数据,并且确定红色, 绿色和蓝色输出数据分别通过从三色输入数据中减去白色输出数据; 以及增益调整单元,用于确定增益比以最小化白色输出数据和红色,绿色和蓝色输出数据的标准偏差。

    Touch screen display device and driving method thereof

    公开(公告)号:US09710106B2

    公开(公告)日:2017-07-18

    申请号:US14741309

    申请日:2015-06-16

    CPC classification number: G06F3/0418 G06F3/0412 G09G3/20 G09G2320/0257

    Abstract: According to aspects of embodiments of the present invention a touch screen display device includes: a touch sensor; a touch controller configured to detect a position touched on the touch sensor; and a touch correcting unit configured to correct an initial touch position detected by the touch controller to a final touch position, wherein the touch correcting unit comprises: a first computing unit configured to convert the initial touch position to a temporary touch position; a second computing unit configured to compute a touch movement amount between the initial touch position and the temporary touch position; and a third computing unit configured to compute the final touch position by subtracting the touch movement amount from the initial touch position.

    DISPLAY APPARATUS
    4.
    发明申请
    DISPLAY APPARATUS 有权
    显示设备

    公开(公告)号:US20130257915A1

    公开(公告)日:2013-10-03

    申请号:US13652141

    申请日:2012-10-15

    Abstract: A display apparatus having improved display quality is disclosed. According to one aspect, the display apparatus includes a display panel including first to Mth data lines extending in a first direction, where M is an integer greater than 2, first to Nth scan lines extending in a second direction, where N is an integer greater than 2, and a plurality of pixel regions defined by one or more of the data lines and one or more of the scan lines. An image data processor is configured to process input image signals and output corrected input image signals, and a data driver is configured to receive the corrected input image signals and supply the same to the first to Mth data lines. The plurality of pixel regions include first to Mth pixel arrays extending in parallel, and the image data signal processor is configured to output the corrected input image signals to adjust a gray value applied to at least one of the first pixel array and the Mth pixel array.

    Abstract translation: 公开了一种具有改进的显示质量的显示装置。 根据一个方面,显示装置包括显示面板,包括第一至第M数据线,其沿着第一方向延伸,其中M是大于2的整数,第一至第N扫描线在第二方向上延伸,其中N是更大的整数 以及由一条或多条数据线和一条或多条扫描线限定的多个像素区。 图像数据处理器被配置为处理输入图像信号并输出​​校正的输入图像信号,并且数据驱动器被配置为接收经校正的输入图像信号并将其提供给第一至第M数据线。 多个像素区域包括并行延伸的第一至第M像素阵列,并且图像数据信号处理器被配置为输出校正的输入图像信号,以调整应用于第一像素阵列和第M像素阵列中的至少一个的灰度值 。

    Display device and driving method thereof
    5.
    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:US09576531B2

    公开(公告)日:2017-02-21

    申请号:US14568407

    申请日:2014-12-12

    CPC classification number: G09G3/3233 G09G2320/0673 G09G2360/16

    Abstract: A display device includes a pixel unit including scan lines, data lines crossing the scan lines, and pixels connected to the scan lines and the data lines; a timing control unit configured to receive first data from an outside; a conversion unit configured to receive the first data from the timing control unit, to extract luminance components of the first data corresponding to the pixels to determine luminance distribution of the first data, to divide the luminance distribution into a plurality of luminance distribution ranges, and to convert the first data into second data by regulating an input gray level of the first data based on a conversion equation corresponding to a variation between data of the luminance distribution ranges; and a data drive unit configured to receive the second data from the conversion unit and to provide the second data to the data lines.

    Abstract translation: 显示装置包括:像素单元,包括扫描线,与扫描线交叉的数据线;以及连接到扫描线和数据线的像素; 定时控制单元,被配置为从外部接收第一数据; 转换单元,被配置为从定时控制单元接收第一数据,提取与像素相对应的第一数据的亮度分量,以确定第一数据的亮度分布,将亮度分布划分为多个亮度分布范围;以及 通过基于与亮度分布范围的数据之间的变化相对应的转换方程来调节第一数据的输入灰度级,将第一数据转换成第二数据; 以及数据驱动单元,被配置为从所述转换单元接收所述第二数据并将所述第二数据提供给所述数据线。

    Display apparatus for adjusting a gray value of an image signal
    6.
    发明授权
    Display apparatus for adjusting a gray value of an image signal 有权
    用于调整图像信号的灰度值的显示装置

    公开(公告)号:US09142180B2

    公开(公告)日:2015-09-22

    申请号:US13652141

    申请日:2012-10-15

    Abstract: A display apparatus having improved display quality is disclosed. According to one aspect, the display apparatus includes a display panel including first to Mth data lines extending in a first direction, where M is an integer greater than 2, first to Nth scan lines extending in a second direction, where N is an integer greater than 2, and a plurality of pixel regions defined by one or more of the data lines and one or more of the scan lines. An image data processor is configured to process input image signals and output corrected input image signals, and a data driver is configured to receive the corrected input image signals and supply the same to the first to Mth data lines. The plurality of pixel regions include first to Mth pixel arrays extending in parallel, and the image data signal processor is configured to output the corrected input image signals to adjust a gray value applied to at least one of the first pixel array and the Mth pixel array.

    Abstract translation: 公开了一种具有改进的显示质量的显示装置。 根据一个方面,显示装置包括显示面板,包括第一至第M数据线,其沿着第一方向延伸,其中M是大于2的整数,第一至第N扫描线在第二方向上延伸,其中N是更大的整数 以及由一条或多条数据线和一条或多条扫描线限定的多个像素区。 图像数据处理器被配置为处理输入图像信号并输出​​校正的输入图像信号,并且数据驱动器被配置为接收经校正的输入图像信号并将其提供给第一至第M数据线。 多个像素区域包括并行延伸的第一至第M像素阵列,并且图像数据信号处理器被配置为输出校正的输入图像信号,以调整应用于第一像素阵列和第M像素阵列中的至少一个的灰度值 。

    Image-data-converting device and display device including the same
    7.
    发明授权
    Image-data-converting device and display device including the same 有权
    图像数据转换装置和包括其的显示装置

    公开(公告)号:US09013503B2

    公开(公告)日:2015-04-21

    申请号:US13727577

    申请日:2012-12-26

    Inventor: Won-Woo Jang

    Abstract: A device includes converters for converting first image data of an RGB-type into second image data of a YCbCr-type, into third image data of the YCbCr-type, and into fourth image data of the RGB-type, wherein a CbCr-coordinate system has six regions defined by coordinates of a reference color and of six primary colors, and when coordinates of the second image data are located in a region defined by coordinates of the reference color, a first primary color, and a second primary color, the coordinates of the second image data are determined by the coordinates of the reference color, the first primary color, the second primary color, coordinates of a target reference color corresponding to those of the reference color, coordinates of a first target primary color corresponding to those of the first primary color, and coordinates of a second target primary color corresponding to those of the second primary color.

    Abstract translation: 一种装置包括用于将RGB型的第一图像数据转换为YCbCr型的第二图像数据的转换器转换为YCbCr型的第三图像数据,并将其转换为RGB型的第四图像数据,其中CbCr坐标 系统具有由参考颜色和六原色的坐标定义的六个区域,并且当第二图像数据的坐标位于由参考颜色,第一基色和第二原色的坐标定义的区域中时, 第二图像数据的坐标由参考颜色,第一基色,第二基色,对应于参考颜色的对象参考颜色的坐标,对应于那些的第一目标基色的坐标, 的第一原色和与第二原色对应的第二目标基色的坐标。

    DISPLAY DEVICE HAVING RGBW SUB-PIXELS AND METHOD FOR DRIVING THE DISPLAY DEVICE
    8.
    发明申请
    DISPLAY DEVICE HAVING RGBW SUB-PIXELS AND METHOD FOR DRIVING THE DISPLAY DEVICE 有权
    具有RGBW子像素的显示装置和用于驱动显示装置的方法

    公开(公告)号:US20140184655A1

    公开(公告)日:2014-07-03

    申请号:US13934155

    申请日:2013-07-02

    Abstract: A display device including a data mapping unit configured to identify a minimum value of the three-color input data corresponding to red, green, and blue (RGB), to determine white output color data by multiplying the identified minimum value by a gain ratio, and to subtract the white output color data from each of the three-color input data to determine RGB output color data, a gain adjustment unit configured to determine a preliminary gain ratio to minimize standard deviations of each of the white and RGB output color data, and to change a preliminary gain ratio based on an accumulated sum of color data used for respective sub-pixels in a previously displayed image to determine the gain ratio, and a display unit including unit pixels, each including RGB and white sub-pixels, and configured to display an image which corresponds to the and RGB output color data.

    Abstract translation: 一种显示装置,包括被配置为识别与红色,绿色和蓝色(RGB)相对应的三色输入数据的最小值的数据映射单元,以通过将所识别的最小值乘以增益比来确定白色输出颜色数据, 并从每个三色输入数据中减去白色输出颜色数据,以确定RGB输出颜色数据;增益调整单元,被配置为确定初步增益比,以最小化每个白色和RGB输出颜色数据的标准偏差; 并且基于用于先前显示的图像中的各个子像素的颜色数据的累加和来改变初步增益比以确定增益比,以及包括单位像素的显示单元,每个像素包括RGB和白色子像素,以及 被配置为显示与RGB输出颜色数据相对应的图像。

    TOUCH SCREEN DISPLAY DEVICE AND DRIVING METHOD THEREOF
    9.
    发明申请
    TOUCH SCREEN DISPLAY DEVICE AND DRIVING METHOD THEREOF 有权
    触摸屏显示装置及其驱动方法

    公开(公告)号:US20160179269A1

    公开(公告)日:2016-06-23

    申请号:US14741309

    申请日:2015-06-16

    CPC classification number: G06F3/0418 G06F3/0412 G09G3/20 G09G2320/0257

    Abstract: According to aspects of embodiments of the present invention a touch screen display device includes: a touch sensor; a touch controller configured to detect a position touched on the touch sensor; and a touch correcting unit configured to correct an initial touch position detected by the touch controller to a final touch position, wherein the touch correcting unit comprises: a first computing unit configured to convert the initial touch position to a temporary touch position; a second computing unit configured to compute a touch movement amount between the initial touch position and the temporary touch position; and a third computing unit configured to compute the final touch position by subtracting the touch movement amount from the initial touch position.

    Abstract translation: 根据本发明的实施例的方面,触摸屏显示装置包括:触摸传感器; 触摸控制器,被配置为检测触摸传感器上触摸的位置; 以及触摸校正单元,被配置为将由所述触摸控制器检测到的初始触摸位置校正到最终触摸位置,其中所述触摸校正单元包括:第一计算单元,被配置为将所述初始触摸位置转换为临时触摸位置; 第二计算单元,被配置为计算初始触摸位置和临时触摸位置之间的触摸移动量; 以及第三计算单元,被配置为通过从初始触摸位置减去触摸移动量来计算最终触摸位置。

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