公开(公告)号：US09978302B2

公开(公告)日：2018-05-22

申请号：US14333473

申请日：2014-07-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Gi Geun Kim ,  Hyun Sik Hwang ,  Won Sik Oh ,  Nam Gon Choi ,  Yong Jun Jang

IPC: G09G3/20 ,  G09G3/36

CPC classification number: G09G3/2044 ,  G09G3/3648 ,  G09G2320/0219

Abstract: A liquid crystal display includes: a liquid crystal panel comprising a plurality of pixel areas, each having a plurality of pixels; and a signal controller configured to receive an original image signal and to generate a target image signal corresponding to the original image signal by using a kickback voltage at each gray level in the original image signal, wherein the signal controller comprises a dithering unit configured to generate a corrected image signal based on dithering patterns corresponding to the target image signal.

公开(公告)号：US20150221248A1

公开(公告)日：2015-08-06

申请号：US14333473

申请日：2014-07-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Gi Geun Kim ,  Hyun Sik Hwang ,  Won Sik Oh ,  Nam Gon Choi ,  Yong Jun Jang

IPC: G09G3/20 ,  G09G3/36

CPC classification number: G09G3/2044 ,  G09G3/3648 ,  G09G2320/0219

Abstract: A liquid crystal display includes: a liquid crystal panel comprising a plurality of pixel areas, each having a plurality of pixels; and a signal controller configured to receive an original image signal and to generate a target image signal corresponding to the original image signal by using a kickback voltage at each gray level in the original image signal, wherein the signal controller comprises a dithering unit configured to generate a corrected image signal based on dithering patterns corresponding to the target image signal.

Abstract translation: 液晶显示器包括：液晶面板，包括多个像素区域，每个具有多个像素; 信号控制器，被配置为通过使用原始图像信号中的每个灰度级的反冲电压来接收原始图像信号并产生对应于原始图像信号的目标图像信号，其中信号控制器包括抖动单元，其被配置为产生 基于与目标图像信号对应的抖动图案的校正图像信号。

公开(公告)号：US10354165B2

公开(公告)日：2019-07-16

申请号：US15377411

申请日：2016-12-13

Applicant: Samsung Display Co. Ltd.

Inventor： Yong Jun Jang ,  Nam Gon Choi ,  Joon Chul Goh ,  Gi Geun Kim ,  Geun Jeong Park ,  Cheol Woo Park ,  Yun Ki Baek ,  Jeong Hun So ,  Dong Gyu Lee

IPC: G06K9/00 ,  G06K9/62 ,  G06T5/00 ,  G06T5/50 ,  G06K9/46 ,  G09G5/10

Abstract: An apparatus for detecting an afterimage candidate region includes: a comparison unit which compares gradation data of an n-th frame with integrated gradation data of an (n−1)-th frame and generates integrated gradation data of the n-th frame, where n is a natural number; a memory which provides the integrated gradation data of the (n−1)-th frame to the comparison unit and stores the integrated gradation data of the n-th frame; and an afterimage candidate region detection unit which detects an afterimage candidate region based on the integrated gradation data of the n-th frame, where each of the integrated gradation data of the n-th frame and the integrated gradation data of the (n−1)-th frame comprises a comparison region and a gradation region.

公开(公告)号：US11081039B2

公开(公告)日：2021-08-03

申请号：US16733854

申请日：2020-01-03

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Woong Park ,  Jae Gwan Jeon ,  Nam Gon Choi

IPC: G09G3/20

Abstract: A display device includes a display unit including a plurality of pixels, a data converter to receive grayscale values respectively corresponding to the plurality of pixels, generate first compensated grayscale values by remapping the grayscale values of a first grayscale range to the first compensated grayscale value of a second grayscale range, and generate second compensated grayscale values by compensating for the first compensated grayscale values based on first compensated grayscale values of adjacent pixels, and a data driver to generate data signals based on the second compensated grayscale values and provide the data signals to the plurality of pixels of display unit, wherein adjacent pixels of a target pixel correspond to pixels adjacent to the target pixel, and wherein at least one of the adjacent pixels emits light having a color different from that of the target pixel.

公开(公告)号：US09552534B2

公开(公告)日：2017-01-24

申请号：US14204564

申请日：2014-03-11

Applicant: Samsung Display Co. Ltd.

Inventor： Yong Jun Jang ,  Nam Gon Choi ,  Joon Chul Goh ,  Gi Geun Kim ,  Geun Jeong Park ,  Cheol Woo Park ,  Yun Ki Baek ,  Jeong Hun So ,  Dong Gyu Lee

IPC: G06K9/62 ,  G06T5/00 ,  G06T5/50

CPC classification number: G06K9/6212 ,  G06K9/4604 ,  G06T5/008 ,  G06T5/50 ,  G06T2207/10016 ,  G06T2207/20216 ,  G09G5/10 ,  G09G2320/0257

Abstract: An apparatus for detecting an afterimage candidate region includes: a comparison unit which compares gradation data of an n-th frame with integrated gradation data of an (n−1)-th frame and generates integrated gradation data of the n-th frame, where n is a natural number; a memory which provides the integrated gradation data of the (n−1)-th frame to the comparison unit and stores the integrated gradation data of the n-th frame; and an afterimage candidate region detection unit which detects an afterimage candidate region based on the integrated gradation data of the n-th frame, where each of the integrated gradation data of the n-th frame and the integrated gradation data of the (n−1)-th frame comprises a comparison region and a gradation region.

Abstract translation: 一种用于检测余像候选区域的装置，包括：比较单元，其将第n帧的灰度数据与第（n-1）帧的积分灰度数据进行比较，并生成第n帧的积分灰度数据，其中 n是自然数; 将第（n-1）帧的积分灰度数据提供给比较单元的存储器，并存储第n帧的积分灰度数据; 以及余像候补区域检测单元，其基于第n帧的积分灰度数据检测残像图像候选区域，其中第n帧的积分灰度数据和（n-1）的积分灰度数据 ）帧包括比较区域和灰度区域。