公开(公告)号：US20160179269A1

公开(公告)日：2016-06-23

申请号：US14741309

申请日：2015-06-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Byung-Ki Chun ,  Won-Woo Jang ,  Jeong-Hun So

IPC: G06F3/041

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。

公开(公告)号：US09710106B2

公开(公告)日：2017-07-18

申请号：US14741309

申请日：2015-06-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Byung-Ki Chun ,  Won-Woo Jang ,  Jeong-Hun So

IPC: G06F3/041 ,  G09G3/20

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.

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：US09620052B2

公开(公告)日：2017-04-11

申请号：US13930451

申请日：2013-06-28

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G3/22 ,  G09G3/20 ,  G09G3/3208 ,  G09G3/36

CPC classification number: G09G3/22 ,  G09G3/20 ,  G09G3/3208 ,  G09G3/3611 ,  G09G2320/0633 ,  G09G2320/0646 ,  G09G2340/16 ,  G09G2360/16

Abstract: A method of controlling a dimming operation is disclosed. In one aspect, the method includes determining the brightness of an input image frame based on input image data, determining an input dimming value based on the brightness of the input image frame, selectively performing the dimming operation is based on a comparison of an absolute value of a difference between the input dimming value and a current output dimming value against a predetermined threshold value, where a value generated by adjusting the current output dimming value by a predetermined adjustment value is output as a next output dimming value when performing the dimming operation, and the input dimming value is output as the next output dimming value when not performing the dimming operation.

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。

公开(公告)号：US09552763B2

公开(公告)日：2017-01-24

申请号：US14502003

申请日：2014-09-30

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: G09G3/32

CPC classification number: G09G3/3208 ,  G09G2320/0271 ,  G09G2320/0626 ,  G09G2360/16

Abstract: A data conversion unit includes a gamma conversion unit configured to generate a first gamma data by gamma-converting a first data supplied from an outside thereof, a representative luminance value calculation unit configured to calculate a representative luminance value of an entire panel, based on the first gamma data, a subtraction unit configured to subtract the calculated representative luminance value from gamma conversion values of respective pixels included in the first gamma data, a compensation unit configured to generate a second gamma data by converting the gamma conversion values of the respective pixels, based on the subtracted values corresponding to the respective pixels, and an inverse gamma conversion unit configured to generate a second data by inverse-gamma-converting the second gamma data.

Abstract translation: 数据转换单元包括：伽马转换单元，被配置为通过对从其外部提供的第一数据进行伽玛变换来生成第一伽玛数据;代表性亮度值计算单元，被配置为基于所述面板的整体来计算整个面板的代表亮度值 第一伽马数据，减法单元，被配置为从包括在第一伽玛数据中的各个像素的伽马转换值中减去计算出的代表亮度值;补偿单元，被配置为通过转换各个像素的伽马转换值来生成第二伽马数据， 基于对应于各个像素的减去的值，以及反相伽马转换单元，被配置为通过对伽马数据进行逆伽马转换来生成第二数据。

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。

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 。

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。

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 。