公开(公告)号：US12217701B2

公开(公告)日：2025-02-04

申请号：US16983276

申请日：2020-08-03

Applicant: Samsung Display Co., Ltd.

Inventor： Jong-Woong Park ,  Weonjun Choe

IPC: G09G3/3275 ,  G09G3/20

Abstract: A data compensating circuit includes a stress data generating block which generates stress data for each pixel based on input image data or output image data, a memory control block which updates accumulated stress data for each pixel, a first compensating block which reads the accumulated stress data for each pixel from a first non-volatile memory device to generate afterimage compensation data for each pixel, a compensation data summing block which reads optical compensation data for each pixel from a second non-volatile memory device to generate luminance compensation data for each pixel by summing the afterimage compensation data for each pixel and the optical compensation data for each pixel, an internal memory device which stores the luminance compensation data for each pixel, and a second compensating block which generates the output image data by compensating for the input image data based on the luminance compensation data for each pixel.

公开(公告)号：US10803550B2

公开(公告)日：2020-10-13

申请号：US16697497

申请日：2019-11-27

Applicant: Samsung Display Co., Ltd.

Inventor： Jong-Woong Park

IPC: G06T3/40 ,  G09G3/20

Abstract: An image processing device includes an image determiner which determines whether an image data is a still image or a motion picture image, a first compensator which gradually changes a scaling ratio of the image data of which a center part is fixed and a second compensator which divides the image data into a plurality of sub-image data and change a scaling ratio of the sub-image data.

公开(公告)号：US09966036B2

公开(公告)日：2018-05-08

申请号：US14817670

申请日：2015-08-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Geun-Young Jeong ,  Jong-Woong Park ,  Joo-Hyung Lee

IPC: G09G5/02 ,  G09G3/20 ,  G09G3/32 ,  G09G3/3258 ,  G09G5/04

CPC classification number: G09G5/02 ,  G09G3/2003 ,  G09G3/3258 ,  G09G5/04 ,  G09G2300/0452 ,  G09G2340/0457

Abstract: A plurality of data signals to be supplied to a first pixel and a second pixel formed by a first sub-pixel, two second sub-pixels, and two third sub-pixels on the display panel are rendered. Input data corresponding to a first sampling window with respect to the second sub-pixel of the first pixel among the input data applied to the stripe pattern is used to render a second data signal supplied to the second sub-pixel through filtering sampled input data for a color of the second sub-pixel. The first data signal to be supplied to the first sub-pixel is rendered through filtering of the input data of a second window unit for a color of the first sub-pixel with respect to the first sub-pixel of the first pixel among the sampled input data.

公开(公告)号：US09842412B2

公开(公告)日：2017-12-12

申请号：US14327651

申请日：2014-07-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jong-Woong Park

IPC: G09G5/02 ,  G06T11/00

CPC classification number: G06T11/001

Abstract: A rendering method includes performing a binary representation of input data by using input data of target subpixels of an RGB stripe structure, such that the binary representation defines binary data, calculating the binary data via a line detection mask to detect a target line made of the target subpixels, rendering adaptation data of a plurality of adaptation subpixels included in an adaptation line corresponding to the target line, and controlling the adaptation data of a plurality of white subpixels corresponding to the target line among a plurality of adaptation subpixels to generate output data.

公开(公告)号：US09564084B2

公开(公告)日：2017-02-07

申请号：US14327403

申请日：2014-07-09

Applicant: Samsung Display Co., Ltd.

Inventor： Jong-Woong Park

IPC: G09G3/30 ,  G09G3/32 ,  G09G5/02

CPC classification number: G09G3/3291 ,  G09G3/3208 ,  G09G2300/0452 ,  G09G2320/0242 ,  G09G2320/0626 ,  G09G2320/0673 ,  G09G2340/06 ,  G09G2360/16

Abstract: In a method of operating an organic light emitting display device, the organic light emitting display device including a red sub-pixel, a green sub-pixel, a blue sub-pixel and a white sub-pixel, the method includes: receiving input data; calculating an on-pixel ratio (OPR) representing a ratio of a driving amount of the input data to a maximum driving amount; adjusting at least one gamma voltage of a first gamma voltage for the red, green, and blue sub-pixels and a second gamma voltage for the white sub-pixel according to the calculated OPR; and displaying an image corresponding to the input data using the first and second gamma voltages.

Abstract translation: 在一种操作有机发光显示装置的方法中，所述有机发光显示装置包括红色子像素，绿色子像素，蓝色子像素和白色子像素，所述方法包括：接收输入数据 ; 计算表示所述输入数据的驱动量与最大驱动量的比率的像素比（OPR）; 根据所计算的OPR，调整用于红色，绿色和蓝色子像素的第一伽马电压的至少一个伽马电压和用于白色子像素的第二伽马电压; 以及使用所述第一和第二伽马电压显示与所述输入数据相对应的图像。

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：US09245472B2

公开(公告)日：2016-01-26

申请号：US13934155

申请日：2013-07-02

Applicant: Samsung Display Co., Ltd.

Inventor： Won-Woo Jang ,  Jong-Woong Park

IPC: G09G5/10 ,  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。

公开(公告)号：US09001165B2

公开(公告)日：2015-04-07

申请号：US13755248

申请日：2013-01-31

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G5/10 ,  G09G3/30 ,  G09G3/32 ,  G09G5/02

CPC classification number: G09G5/02 ,  G09G3/2003 ,  G09G3/3208 ,  G09G2300/0452 ,  G09G2320/048 ,  G09G2320/0666 ,  G09G2320/0673 ,  G09G2340/06 ,  G09G2360/16

Abstract: A method of operating an organic light emitting display device including a red sub-pixel, a green sub-pixel, a blue sub-pixel and a white sub-pixel, wherein a first gamma voltage for the red, green and blue sub-pixels and a second gamma voltage for the white pixel are adjusted such that a sum of maximum luminances of the red, green and blue sub-pixels is substantially equal to a luminance of a white color displayed by the organic light emitting display device. With respect to a white portion of input data, a ratio of first data of the red, green and blue sub-pixels to second data of the white sub-pixel is adjusted based on a first accumulated driving amount of the red, green and blue sub-pixels and a second accumulated driving amount of the white sub-pixel.

Abstract translation: 一种操作包括红色子像素，绿色子像素，蓝色子像素和白色子像素的有机发光显示设备的方法，其中用于红色，绿色和蓝色子像素的第一伽马电压 并且调整用于白色像素的第二伽马电压，使得红色，绿色和蓝色子像素的最大亮度之和基本上等于由有机发光显示装置显示的白色的亮度。 对于输入数据的白色部分，基于红色，绿色和蓝色的第一累积驱动量来调整红色，绿色和蓝色子像素的第一数据与白色子像素的第二数据的比率 子像素和第二累积驱动量的白色子像素。

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。