公开(公告)号：US09542875B2

公开(公告)日：2017-01-10

申请号：US14256551

申请日：2014-04-18

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Yeon Yang ,  Geun-Young Jeong ,  Myung-Ho Lee ,  Jeong-Eun Kim

IPC: G09G3/20

CPC classification number: G09G3/2003 ,  G09G2300/0452 ,  G09G2320/0276 ,  G09G2340/0457

Abstract: A method of signal-processing input image data of a display device including a plurality of pixels, each pixel including a green subpixel and one of a red subpixel and a blue subpixel, the method includes: performing a gamma-conversion on input image data corresponding to the one of the red subpixel and the blue subpixel in each pixel; distributing the gamma-converted input image data corresponding to a center pixel to image data of a pixel in a vertical direction based on the center pixel by a first ratio; and distributing the gamma-converted input image data corresponding to the center pixel to image data of a pixel in a horizontal direction based on the center pixel by a second ratio, where the green subpixel and the one of the red subpixel and the blue subpixel are diagonally disposed in each pixel.

Abstract translation: 一种信号处理包括多个像素的显示装置的输入图像数据的方法，每个像素包括绿色子像素以及红色子像素和蓝色子像素中的一个，所述方法包括：对输入的图像数据进行伽马转换 对于每个像素中的红色子像素和蓝色子像素中的一个; 将对应于中心像素的伽马转换输入图像数据以基于中心像素的垂直方向的像素的图像数据分配第一比率; 并且将与中心像素相对应的伽马转换输入图像数据分配为基于中心像素的水平方向的像素的图像数据以第二比率分配，其中绿色子像素和红色子像素和蓝色子像素之一为 对角地设置在每个像素中。

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：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。