公开(公告)号：US20140140616A1

公开(公告)日：2014-05-22

申请号：US13960605

申请日：2013-08-06

Applicant: Samsung Display Co., Ltd.

Inventor： Yong-Seok Choi ,  Byung-Ki Chun ,  Dong-Wook Yang

IPC: G06T7/40

CPC classification number: H04N1/6058

Abstract: A color gamut conversion device includes: a target color coordinate converter configured to convert each RGB value of red (R), green (G), blue (B), cyan (C), magenta (M), yellow (Y), and white (W) of a target color coordinate into a tristimulus value XYZ; a reference conversion matrix generator configured to generate a first reference conversion matrix for converting each tristimulus value XYZ into an R′G′B′ value according to a color gamut of a reference display; a low power corrected value calculator configured to calculate a low power corrected value for correcting the R′G′B′ value; a lookup table (LUT) generator configured to generate an LUT including an R″G″B″ value corresponding to each RGB value by using a second reference conversion matrix that the low power corrected value is applied to the first reference conversion matrix; and a color gamut converter configured to convert image data of the RGB values into image data of the R″G″B″ values using the LUT.

Abstract translation: 色域转换装置包括：目标色坐标转换器，被配置为将红（R），绿（G），蓝（B），青（C），品红色（M），黄（Y） 目标色坐标的白（W）变为三刺激值XYZ; 参考转换矩阵发生器，被配置为生成用于根据参考显示的色域将每个三刺激值XYZ转换为R'G'B'值的第一参考转换矩阵; 低功率校正值计算器，被配置为计算用于校正R'G'B'值的低功率校正值; 查找表（LUT）发生器，被配置为通过使用将低功率校正值应用于第一参考转换矩阵的第二参考转换矩阵来生成包括与每个RGB值对应的R“G”B“值的LUT; 以及色域转换器，被配置为使用LUT将RGB值的图像数据转换为R“G”B“值的图像数据。

公开(公告)号：US09401106B2

公开(公告)日：2016-07-26

申请号：US14297463

申请日：2014-06-05

Applicant: Samsung Display Co., Ltd.

Inventor： Yong-Seok Choi

IPC: G09G3/20 ,  G09G3/32 ,  G09G3/00 ,  G09G5/00

CPC classification number: G09G3/2003 ,  G09G3/006 ,  G09G3/3208 ,  G09G5/005 ,  G09G2300/0452 ,  G09G2320/0276 ,  G09G2320/0666 ,  G09G2340/06

Abstract: A color compensation method is disclosed. In one aspect, the method includes predetermining target color coordinates, measuring luminance and chromaticity from an image displayed on a display panel, and calculating compensation color coordinates by using the target color coordinates and the device color coordinates. The method also includes generating compensation data by using the target color coordinates, the device color coordinates, and the compensation color coordinates, receiving an external video signal, and converting the RGB data of the external video signal into the RGB data of the compensation color coordinates by using the compensation data corresponding to the RGB data of the external video signal. The compensation color coordinates are determined according to the values of the target color coordinates and the device color coordinates.

Abstract translation: 公开了一种颜色补偿方法。 在一个方面，该方法包括从显示面板上显示的图像中预先确定目标色坐标，测量亮度和色度，以及通过使用目标色坐标和设备颜色坐标来计算补偿色坐标。 该方法还包括通过使用目标色坐标，装置颜色坐标和补偿色坐标，接收外部视频信号和将外部视频信号的RGB数据转换成补偿色坐标的RGB数据来产生补偿数据 通过使用与外部视频信号的RGB数据对应的补偿数据。 补偿色坐标是根据目标色坐标和设备色坐标的值确定的。

公开(公告)号：US09299283B2

公开(公告)日：2016-03-29

申请号：US14157794

申请日：2014-01-17

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G5/00 ,  G09G5/02 ,  G09G3/20 ,  G06T3/40 ,  G06T5/00 ,  G06T5/40 ,  H04N1/60 ,  H04N17/04 ,  H04N5/21 ,  H04N9/64 ,  H04N5/57 ,  G09G3/12 ,  G09G3/32

CPC classification number: G09G3/2003 ,  G09G3/12 ,  G09G3/3208 ,  G09G2320/0242 ,  G09G2320/0666 ,  G09G2320/0693

Abstract: An apparatus and method for compensating color characteristics in individual display devices that each include a display unit including a plurality of pixels to display images according to compensated image data signals, a test data input section to transmit a predetermined test image data signal to the pixels to display a test image, a luminance measuring unit to receive luminance information from the display unit displaying the test image and determine actual luminance ratios of a first color, a second color, and a third color from the received luminance information, a compensation ratio determiner to calculate a compensation ratio from both the actual and reference luminance ratios of each color and a data compensator to generate the compensated image data signals by adjusting external input video signals according to the compensation ratio.

Abstract translation: 一种用于补偿各个显示装置中的颜色特性的装置和方法，每个显示装置包括根据补偿的图像数据信号显示图像的多个像素的显示单元，测试数据输入部分，用于将预定的测试图像数据信号发送到像素 显示测试图像，亮度测量单元，用于从显示测试图像的显示单元接收亮度信息，并根据接收到的亮度信息确定第一颜色，第二颜色和第三颜色的实际亮度比，补偿比确定器 从每个颜色的实际参考亮度比和数据补偿器两者计算补偿比，以通过根据补偿比调整外部输入视频信号来生成补偿图像数据信号。

公开(公告)号：US09001142B2

公开(公告)日：2015-04-07

申请号：US13687999

申请日：2012-11-28

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G5/02

CPC classification number: G09G5/02 ,  G09G2340/06 ,  G09G2360/144

Abstract: A device for mapping a color gamut includes a color gamut determinator and a color gamut mapper. The color gamut determinator determines an output color gamut using a gain value corresponding to information of a first color gamut, information of a second color gamut and a control condition. The color gamut mapper converts the color gamut of an input image data into the output color gamut. Accordingly, it is possible to provide a device and method for mapping a color gamut, which can determine an optimal color gamut corresponding to a change in control condition, and accordingly improve color accuracy and color reproducibility.

Abstract translation: 用于映射色域的设备包括色域确定器和色域映射器。 色域确定器使用对应于第一色域的信息，第二色域的信息和控制条件的增益值来确定输出色域。 色域映射器将输入图像数据的色域转换为输出色域。 因此，可以提供一种用于映射色域的装置和方法，其可以确定与控制条件的变化相对应的最佳色域，并因此提高颜色精度和颜色再现性。

公开(公告)号：US20140292820A1

公开(公告)日：2014-10-02

申请号：US13945792

申请日：2013-07-18

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G3/32

CPC classification number: G09G3/3208 ,  G06T1/20 ,  G09G3/3233

Abstract: An image control technology that enables low power consumption with less compromise in the overall quality of the image is disclosed, in which color information of an image is saved while minimizing degradation of picture quality, and improving text readability. In one aspect, an image control display device includes an image controller configured to measure at least one of luminance values and chroma values of pixels of an input image. In addition, the image controller is configured to detect an edge using the at least one of luminance and chroma values and is configured to invert color information of the input image into inverted image data. The image controller is further configured to generate output image data comprising an inverted region and an exception region, where the inverted region displays the inverted image data and the exception region displays uninverted input image data. The display device additionally includes a data driver configured to receive the output image data and to apply a plurality of data voltages corresponding to the output image data to a display panel.

Abstract translation: 公开了一种图像控制技术，其能够在图像的整体质量方面实现低功耗，同时损害图像的整体质量，其中保存图像的颜色信息，同时最小化图像质量的劣化，并提高文本可读性。 一方面，图像控制显示装置包括图像控制器，被配置为测量输入图像的像素的亮度值和色度值中的至少一个。 此外，图像控制器被配置为使用亮度和色度值中的至少一个来检测边缘，并且被配置为将输入图像的颜色信息反转为反转的图像数据。 图像控制器还被配置为产生包括反转区域和异常区域的输出图像数据，其中反相区域显示反转图像数据，异常区域显示未反相输入图像数据。 显示装置还包括配置为接收输出图像数据并将对应于输出图像数据的多个数据电压施加到显示面板的数据驱动器。

公开(公告)号：US20140028700A1

公开(公告)日：2014-01-30

申请号：US13687999

申请日：2012-11-28

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: G09G5/02

CPC classification number: G09G5/02 ,  G09G2340/06 ,  G09G2360/144

Abstract: A device for mapping a color gamut includes a color gamut determinator and a color gamut mapper. The color gamut determinator determines an output color gamut using a gain value corresponding to information of a first color gamut, information of a second color gamut and a control condition. The color gamut mapper converts the color gamut of an input image data into the output color gamut. Accordingly, it is possible to provide a device and method for mapping a color gamut, which can determine an optimal color gamut corresponding to a change in control condition, and accordingly improve color accuracy and color reproducibility.

Abstract translation: 用于映射色域的设备包括色域确定器和色域映射器。 色域确定器使用对应于第一色域的信息，第二色域的信息和控制条件的增益值来确定输出色域。 色域映射器将输入图像数据的色域转换为输出色域。 因此，可以提供一种用于映射色域的装置和方法，其可以确定与控制条件的变化相对应的最佳色域，并因此提高颜色精度和颜色再现性。

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.

公开(公告)号：US09305521B2

公开(公告)日：2016-04-05

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而提供与补偿图像数据相对应的数据电压 。

公开(公告)号：US09171496B2

公开(公告)日：2015-10-27

申请号：US13945792

申请日：2013-07-18

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G3/32 ,  G06T1/20

CPC classification number: G09G3/3208 ,  G06T1/20 ,  G09G3/3233

Abstract: An image control technology that enables low power consumption with less compromise in the overall quality of the image is disclosed, in which color information of an image is saved while minimizing degradation of picture quality, and improving text readability. In one aspect, an image control display device includes an image controller configured to measure at least one of luminance values and chroma values of pixels of an input image. In addition, the image controller is configured to detect an edge using the at least one of luminance and chroma values and is configured to invert color information of the input image into inverted image data. The image controller is further configured to generate output image data comprising an inverted region and an exception region, where the inverted region displays the inverted image data and the exception region displays uninverted input image data. The display device additionally includes a data driver configured to receive the output image data and to apply a plurality of data voltages corresponding to the output image data to a display panel.

Abstract translation: 公开了一种图像控制技术，其能够在图像的整体质量方面实现低功耗，同时损害图像的整体质量，其中保存图像的颜色信息，同时最小化图像质量的劣化，并提高文本可读性。 一方面，图像控制显示装置包括图像控制器，被配置为测量输入图像的像素的亮度值和色度值中的至少一个。 此外，图像控制器被配置为使用亮度和色度值中的至少一个来检测边缘，并且被配置为将输入图像的颜色信息反转为反转的图像数据。 图像控制器还被配置为产生包括反转区域和异常区域的输出图像数据，其中反相区域显示反转图像数据，异常区域显示未反相输入图像数据。 显示装置还包括配置为接收输出图像数据并将对应于输出图像数据的多个数据电压施加到显示面板的数据驱动器。

公开(公告)号：US09047812B2

公开(公告)日：2015-06-02

申请号：US13780175

申请日：2013-02-28

Applicant: Samsung Display Co., Ltd.

Inventor： Byung-Ki Chun ,  Hak-Sun Kim ,  Yong-Seok Choi ,  Joo-Hyung Lee ,  Jong-Woong Park ,  Bo-Young An ,  Chang-Ho Hyun

IPC: G09G3/32

CPC classification number: G09G3/3208 ,  G09G3/20 ,  G09G2320/041 ,  G09G2320/048 ,  G09G2320/0693 ,  G09G2360/16

Abstract: A display device includes: a plurality of pixels; a degradation compensator for using a temperature weight value for a reference temperature, a luminance weight value for a reference luminance, and a material weight value for a reference material, for calculating a reference using time when a degradation rate of the pixels is changed to a reference degradation rate of a reference degradation curve, and for generating a control variable according to the reference using time; and a power supply for controlling a voltage difference between a first power source voltage for supplying a driving current to the pixels and a second power source voltage according to the control variable.

Abstract translation: 显示装置包括：多个像素; 使用用于参考温度的温度权重值，参考亮度的亮度权重值和参考物质的物料重量值的劣化补偿器，用于当将像素的劣化率改变为 参考降解曲线的参考劣化率，以及根据参考使用时间产生控制变量; 以及电源，用于根据控制变量来控制用于向像素提供驱动电流的第一电源电压和第二电源电压之间的电压差。