公开(公告)号：US20140306979A1

公开(公告)日：2014-10-16

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: G09G3/20 ,  G09G3/12

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：US20140300625A1

公开(公告)日：2014-10-09

申请号：US14010485

申请日：2013-08-26

Applicant: Samsung Display Co., LTD.

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

IPC: G09G5/02

CPC classification number: G09G5/02 ,  G09G3/2003 ,  G09G3/3208 ,  G09G2320/0242 ,  G09G2360/144

Abstract: Provided is a display device including: a display panel comprising a plurality of pixels, each of the plurality of pixels configured to display one of three primary colors; and a color compensator configured to receive color data comprising gradation data corresponding to each of the three primary colors and configured to increase chroma of a color in which the three primary colors are mixed, by compensating a color of the color data based on color ratios of the three primary colors.

Abstract translation: 提供了一种显示装置，包括：显示面板，包括多个像素，所述多个像素中的每一个被配置为显示三原色之一; 以及颜色补偿器，被配置为接收包括与三原色中的每一个相对应的灰度数据的颜色数据，并且被配置为通过基于颜色数据的颜色比来补偿颜色数据的颜色来增加其中混合三原色的颜色的色度 三原色。

公开(公告)号：US20140063078A1

公开(公告)日：2014-03-06

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

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.

Abstract translation: 公开了一种控制调光操作的方法。 一方面，该方法包括基于输入图像数据确定输入图像帧的亮度，基于输入图像帧的亮度来确定输入调光值，选择性地执行调光操作是基于绝对值的比较 输入调光值与当前输出调光值相对于预定阈值之间的差异，其中当执行调光操作时，通过将当前输出调光值调整预定调节值而产生的值作为下一个输出调光值被输出， 并且当不执行调光操作时，输入调光值作为下一个输出调光值被输出。

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。