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    Display device and driving method thereof
    21.
    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

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jong-Woong Park ,  Dong-Wook Yang ,  Won-Woo Jang ,  Byung-Ki Chun ,  Yong-Seok Choi

    IPC: G09G3/32

    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。

    Organic light-emitting diode display and method of driving the same
    22.
    发明授权
    Organic light-emitting diode display and method of driving the same 有权
    有机发光二极管显示及其驱动方法

    公开(公告)号：US09530346B2

    公开(公告)日：2016-12-27

    申请号：US14562431

    申请日：2014-12-05

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jong-Woong Park

    IPC: G09G3/32

    CPC classification number: G09G3/3208 ,  G09G3/3275 ,  G09G2320/0626 ,  G09G2360/16

    Abstract: An organic light-emitting diode (OLED) display and a method of driving the display are disclosed. In one aspect, the method includes receiving input image data, calculating a load value corresponding to a driving amount of the input image data, and calculating a luminance adjustment value for each of the pixels based at least in part on the load value and a voltage drop proportional value of each of the pixels. The voltage drop proportional value corresponds to a ratio of a voltage drop value to a maximum voltage drop value. The method also includes generating output image data based at least in part on the input image data and the luminance adjustment value and displaying an image corresponding to the output image data.

    Abstract translation: 公开了一种有机发光二极管（OLED）显示器和驱动显示器的方法。 一方面，该方法包括接收输入图像数据，计算与输入图像数据的驱动量相对应的载荷值，以及至少部分地基于负载值和电压来计算每个像素的亮度调整值 降低每个像素的比例值。 电压降比例值对应于电压降值与最大电压降值的比值。 该方法还包括至少部分地基于输入图像数据和亮度调整值产生输出图像数据，并且显示与输出图像数据相对应的图像。

    Image processing apparatus and method for increasing image quality and reducing power consumption
    23.
    发明授权
    Image processing apparatus and method for increasing image quality and reducing power consumption 有权
    用于提高图像质量并降低功耗的图像处理装置和方法

    公开(公告)号：US09460651B2

    公开(公告)日：2016-10-04

    申请号：US13679859

    申请日：2012-11-16

    Applicant: Samsung Display Co., Ltd.

    Inventor： Byung-Ki Chun ,  Yong-Seok Choi ,  Joo-Hyung Lee ,  Jong-Woong Park ,  Jeong-Eun Kim

    IPC: G09G5/10 ,  G09G3/32

    CPC classification number: G09G3/3208 ,  G09G2320/0271 ,  G09G2330/021 ,  G09G2360/16

    Abstract: An image processing apparatus and image processing method are disclosed. The image processing apparatus includes an image input unit receiving input image data to obtain grayscale values of a display image, a modeling unit calculating a luminance change ratio for each grayscale value according to a change of an on-pixel ratio and a final luminance reflected by the luminance change ratio, a grayscale re-mapping unit determining a compensation grayscale value for compensating a luminance change ratio according to the on-pixel ratio of the input image data to display a target luminance corresponding to a predetermined grayscale value included in grayscale information of the input image data in the on-pixel ratio condition of the input image data, and an image output unit outputting an output image data compensating the input image data by the compensation grayscale value.

    Abstract translation: 公开了一种图像处理装置和图像处理方法。 图像处理装置包括图像输入单元，接收输入图像数据以获得显示图像的灰度值;建模单元，根据像素比率的变化和由像素比率反映的最终亮度计算每个灰度值的亮度变化率 亮度变化率，灰度重映射单元，根据输入图像数据的像素比来确定用于补偿亮度变化率的补偿灰度值，以显示与包括在灰度级信息中的预定灰度值相对应的目标亮度 输入图像数据的输入图像数据，以及图像输出单元，输出补偿输入图像数据的输出图像数据的补偿灰度值。

    ORGANIC LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF
    24.
    发明申请
    ORGANIC LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF 有权
    有机发光显示装置及其驱动方法

    公开(公告)号：US20150194096A1

    公开(公告)日：2015-07-09

    申请号：US14584408

    申请日：2014-12-29

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Gun-Hee Chung ,  Hyun-Seuk Yoo ,  Jun-Jin Kong ,  Hong-Rak Son ,  Madhusudan Singh ,  Jong-Woong Park ,  Joo-Hyung Lee

    IPC: G09G3/32

    CPC classification number: G09G3/3275 ,  G09G3/3225 ,  G09G2320/048 ,  G09G2340/02

    Abstract: An organic light emitting display device includes a plurality of pixels in a display area; a data driver configured to supply a data signal to the pixels; and a data converter configured to output a correction image data utilized in generation of the data signal, and the data converter is configured to generate a stress data corresponding to an input image data, to accumulate and store at least a portion of the stress data in a compressed state, and to generate the correction image data obtained by correcting the input image data according to the accumulated stress data.

    Abstract translation: 有机发光显示装置包括显示区域中的多个像素; 数据驱动器，被配置为向所述像素提供数据信号; 以及数据转换器，其被配置为输出在生成数据信号时使用的校正图像数据，并且数据转换器被配置为生成与输入图像数据相对应的应力数据，以将至少一部分应力数据累积并存储在 压缩状态，并且生成根据累积的应力数据校正输入图像数据而获得的校正图像数据。

    METHOD OF REDUCING POWER CONSUMPTION AND DISPLAY DEVICE FOR REDUCING POWER CONSUMPTION
    25.
    发明申请
    METHOD OF REDUCING POWER CONSUMPTION AND DISPLAY DEVICE FOR REDUCING POWER CONSUMPTION 有权
    降低功耗的方法和降低功耗的显示装置

    公开(公告)号：US20140225933A1

    公开(公告)日：2014-08-14

    申请号：US13928334

    申请日：2013-06-26

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jong-Woong Park ,  Byung-Ki Chun ,  Yong-Seok Choi ,  Joo-Hyung Lee

    IPC: G09G5/10

    CPC classification number: G09G5/10 ,  G09G2320/0626 ,  G09G2320/0666 ,  G09G2330/021 ,  G09G2360/16

    Abstract: A display device configured to reduce power consumption, in accordance with an exemplary embodiment of the present invention, includes a signal controller configured to calculate saturation data, luminance data, and power consumption data of input image data, to calculate a compensation ratio based on a rate of change of luminance, a rate of increase of saturation, or a power consumption, to generate compensation image data having a saturation of a red, green, or blue image of the input image data increased up to a threshold value so that the compensation ratio exceeds a reference value, and to send the generated compensation image data to a data driver, and the data driver configured to supply data voltages corresponding to the compensation image data, in response to gate signals sequentially generated from a gate driver to a display panel.

    Abstract translation: 根据本发明的示例性实施例，被配置为降低功耗的显示装置包括：信号控制器，被配置为计算输入图像数据的饱和度数据，亮度数据和功耗数据，以基于 产生亮度变化率，饱和度增加率或功率消耗，以产生具有输入图像数据的红色，绿色或蓝色图像的饱和度的补偿图像数据，增加到阈值，使得补偿 并且将所生成的补偿图像数据发送到数据驱动器，并且数据驱动器被配置为响应于从栅极驱动器顺序地产生到显示面板的栅极信号来提供与补偿图像数据相对应的数据电压 。

    DISPLAY DEVICE HAVING RGBW SUB-PIXELS AND METHOD FOR DRIVING THE DISPLAY DEVICE
    26.
    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

    Applicant: Samsung Display Co., Ltd.

    Inventor： Won-Woo Jang ,  Jong-Woong Park

    IPC: G09G3/20 ,  G09G3/32

    CPC classification number: G09G3/2003 ,  G09G3/3208 ,  G09G3/3225 ,  G09G2300/0452 ,  G09G2320/043 ,  G09G2320/0666 ,  G09G2330/021 ,  G09G2340/06

    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。

    IMAGE PROCESSING APPARATUS AND METHOD
    27.
    发明申请
    IMAGE PROCESSING APPARATUS AND METHOD 有权
    图像处理设备和方法

    公开(公告)号：US20130342585A1

    公开(公告)日：2013-12-26

    申请号：US13679859

    申请日：2012-11-16

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Byung-Ki Chun ,  Yong-Seok Choi ,  Joo-Hyung Lee ,  Jong-Woong Park ,  Jeong-Eun Kim

    IPC: G09G3/32

    CPC classification number: G09G3/3208 ,  G09G2320/0271 ,  G09G2330/021 ,  G09G2360/16

    Abstract: An image processing apparatus and image processing method are disclosed. The image processing apparatus includes an image input unit receiving input image data to obtain grayscale values of a display image, a modeling unit calculating a luminance change ratio for each grayscale value according to a change of an on-pixel ratio and a final luminance reflected by the luminance change ratio, a grayscale re-mapping unit determining a compensation grayscale value for compensating a luminance change ratio according to the on-pixel ratio of the input image data to display a target luminance corresponding to a predetermined grayscale value included in grayscale information of the input image data in the on-pixel ratio condition of the input image data, and an image output unit outputting an output image data compensating the input image data by the compensation grayscale value.

    Abstract translation: 公开了一种图像处理装置和图像处理方法。 图像处理装置包括图像输入单元，接收输入图像数据以获得显示图像的灰度值;建模单元，根据像素比率的变化和由像素比率反映的最终亮度计算每个灰度值的亮度变化率 亮度变化率，灰度重映射单元，根据输入图像数据的像素比来确定用于补偿亮度变化率的补偿灰度值，以显示与包括在灰度级信息中的预定灰度值相对应的目标亮度; 输入图像数据的输入图像数据，以及图像输出单元，输出补偿输入图像数据的输出图像数据的补偿灰度值。

    Image sticking controller and method for operating the same
    29.
    发明授权
    Image sticking controller and method for operating the same 有权

    公开(公告)号：US10102797B2

    公开(公告)日：2018-10-16

    申请号：US14501402

    申请日：2014-09-30

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Jong-Woong Park ,  Won-Woo Jang ,  Yong-Seok Choi ,  Joo-Hyung Lee

    IPC: G09G5/10 ,  G09G3/3225

    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.

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