公开(公告)号：US10431165B2

公开(公告)日：2019-10-01

申请号：US15870293

申请日：2018-01-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Gigeun Kim ,  Jung-Won Kim ,  Sungjae Park ,  Jaesung Bae ,  Nam-Gon Choi

IPC: G09G3/34 ,  G09G5/02

Abstract: A display apparatus includes a timing controller configured to convert input image data into a hue, saturation, brightness (HSV) color space to generate a saturation histogram, generate a saturation gain curve and a dimming value based on the saturation histogram, control saturation of an input image based on the saturation gain curve to generate a data signal, and control luminance of the input image based on the dimming value to generate a light source control signal. A data driver is configured to generate data voltages based on the data signal. display panel is configured to display an output image based on the data voltages. A light source is configured to provide light to the display panel based on the light source control signal.

公开(公告)号：US20180082661A1

公开(公告)日：2018-03-22

申请号：US15586112

申请日：2017-05-03

Applicant: Samsung Display Co., Ltd.

Inventor： Bonggyun Kang ,  Nam-Gon Choi ,  Gigeun Kim ,  Jinpil Kim ,  Seunghwan Moon ,  Dongwon Park ,  Jaesung Bae ,  Donghwa Shin

IPC: G09G5/10 ,  G09G3/36

CPC classification number: G09G5/10 ,  G09G3/20 ,  G09G3/36 ,  G09G3/3611 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0673 ,  G09G2320/103 ,  G09G2360/144 ,  G09G2360/16

Abstract: A method of image processing includes extracting first image information from an input image by analyzing the input image, determining, based on the first image information, whether to utilize a high dynamic range (HDR) function for the input image, setting an image output mode based on a result of the determination, setting a reference tone curve for the input image based on the image output mode, and generating an output image by converting the input image based on the reference tone curve.

公开(公告)号：US09847064B2

公开(公告)日：2017-12-19

申请号：US14665896

申请日：2015-03-23

Applicant: Samsung Display Co., Ltd.

Inventor： Suhyeong Park ,  Nam-Gon Choi ,  Cheolwoo Park

IPC: G09G3/36

CPC classification number: G09G3/3614 ,  G09G3/3648 ,  G09G3/3688 ,  G09G2300/0426 ,  G09G2300/0814 ,  G09G2300/0842 ,  G09G2310/027 ,  G09G2310/0297

Abstract: A display apparatus includes a latch circuit configured to generate a second data value from a first data value, wherein the bit count of the second data value is greater than the bit count of the first data value, a digital-analog converter configured to convert the second data value into gray scale voltages, an output buffer unit configured to amplify the current level of the gray scale voltages to generate data voltages, a data switch circuit configured to invert the polarity of the data voltages every frame, and a display panel including a plurality of pixels driven with the data voltages supplied from the data switch circuit in response to sequential application of gate signals.

公开(公告)号：US20150243199A1

公开(公告)日：2015-08-27

申请号：US14579412

申请日：2014-12-22

Applicant: Samsung Display Co., Ltd.

Inventor： Dong-Gyu Lee ,  Joon-Chul Goh ,  Jung-Won Kim ,  Nam-Gon Choi ,  Ja-Kyoung Jin

IPC: G09G3/20

CPC classification number: G09G3/3648 ,  G09G2320/0252 ,  G09G2340/0457 ,  G09G2340/16

Abstract: An image processor, a display device including the same, and a method for driving display panel using the same are disclosed. In one aspect, the display device includes an image shifter configured to shift a data signal by at least one pixel based at least in part on a shift start signal and output the shifted data signal and a shift direction signal. The display device also includes an image buffer configured to output current data and previous data based at least in part on the shifted data signal and the shift direction signal. The display device also includes an image mixer configured to mix the current data and the previous data over M frames starting at a start frame when the shift start signal is received and output image data, M being a natural number.

Abstract translation: 公开了一种图像处理器，包括该图像处理器的显示装置和使用其的显示面板驱动方法。 一方面，显示装置包括图像移位器，其被配置为至少部分地基于移位开始信号将数据信号移位至少一个像素，并输出移位的数据信号和移位方向信号。 显示装置还包括图像缓冲器，该图像缓冲器被配置为至少部分地基于移位的数据信号和移位方向信号来输出当前数据和先前的数据。 该显示装置还包括：图像混合器，被配置为当接收到移位开始信号时从开始帧开始，在M帧上混合当前数据和先前数据，并输出图像数据，M是自然数。

公开(公告)号：US20150077406A1

公开(公告)日：2015-03-19

申请号：US14175440

申请日：2014-02-07

Applicant: Samsung Display Co., Ltd.

Inventor： Donggyu LEE ,  Joon-Chul Goh ,  Nam-Gon Choi ,  Jung-Won Kim ,  HongSoo Kim ,  Geunjeong Park

IPC: G09G3/36

CPC classification number: G09G3/3648 ,  G09G3/007 ,  G09G2320/0257 ,  G09G2320/103

Abstract: A display device including a display panel which includes pixels connected to gate lines and data lines; and an image display control unit controlling an input image signal to be converted into a data signal and, thereby, display an image on the display panel. The image display control unit outputs the data signal so that a position of an image being displayed on the display panel is changed when the image signal is the same for a preselected time period and sets a next position change time period of the image according to a distance between an original position of the image and a changed position of the image.

Abstract translation: 一种显示装置，包括：显示面板，包括连接到栅极线和数据线的像素; 以及图像显示控制单元，控制要转换为数据信号的输入图像信号，从而在显示面板上显示图像。 图像显示控制单元输出数据信号，使得当图像信号在预选时间段内相同时，在显示面板上显示的图像的位置改变，并且根据图像信号设置图像的下一个位置改变时间周期 图像的原始位置与图像的改变位置之间的距离。

公开(公告)号：US20140333516A1

公开(公告)日：2014-11-13

申请号：US14017119

申请日：2013-09-03

Applicant: Samsung Display Co., Ltd.

Inventor： Dong-Won Park ,  Joon-Chul Goh ,  Nam-Gon Choi ,  Jung-Won Kim ,  Bong Hyun You ,  Bum Soo Lee

IPC: G09G3/36

CPC classification number: G09G3/3614 ,  G09G2320/0204 ,  G09G2340/0435 ,  G09G2360/18

Abstract: A display device and a driving method thereof are disclosed. In one aspect, the display device includes: a memory which receives an input image data at a first frame frequency and a frame rate controlling unit which converts the input image data to an output image data output at a second frame frequency higher than the first frame frequency by duplicating the input image data to a plurality of frames. The display device also includes a release frame inserting unit which periodically designates release frames in the output image data for resolving a DC bias of one or more continuous frames and a data compensating unit which compensates for a value of the output image data or determines the value of the output image data.

Abstract translation: 公开了一种显示装置及其驱动方法。 一方面，显示装置包括：存储器，其以第一帧频率接收输入图像数据;以及帧速率控制单元，其将输入图像数据转换为以比第一帧高的第二帧频输出的输出图像数据 通过将输入图像数据复制到多个帧来实现。 该显示装置还包括释放帧插入单元，其周期性地指定输出图像数据中的释放帧，以解析一个或多个连续帧的DC偏置;以及数据补偿单元，其补偿输出图像数据的值或确定值 的输出图像数据。

公开(公告)号：US20140184670A1

公开(公告)日：2014-07-03

申请号：US14016947

申请日：2013-09-03

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Woong JEONG ,  Nam-Gon Choi ,  Geun Jeong Park ,  Dong-Won Park ,  Yong Jun Jang ,  Cheol Woo Park ,  Jeong-Hun So ,  Hyun Dae Lee

IPC: G09G3/20

CPC classification number: G09G3/2003 ,  G09G3/3225 ,  G09G3/3666 ,  G09G5/37 ,  G09G2310/0221 ,  G09G2310/0232 ,  G09G2320/0233 ,  G09G2320/0285 ,  G09G2320/029 ,  G09G2330/12 ,  G09G2360/128

Abstract: A display device and a method of driving a display device including: storing information on a stitch pattern; setting a data processing region disposed in a vicinity of a horizontal center line of a display panel and including a plurality of pixels; and performing data processing of changing gray of data for a portion of the plurality of pixels of the data processing region according to the information on the stitch pattern. The display panel includes a plurality of pixels arranged in a form of a matrix, a plurality of first data lines disposed in a first display panel region on a first side of the horizontal center line, and a plurality of second data lines disposed in a second display panel region on a second side of the horizontal center line opposite the first side.

Abstract translation: 一种显示装置和驱动显示装置的方法，包括：存储针迹图案的信息; 设置设置在显示面板的水平中心线附近并包括多个像素的数据处理区域; 以及根据关于针迹图案的信息，对数据处理区域的多个像素的一部分进行数据灰度变换的数据处理。 显示面板包括以矩阵形式布置的多个像素，多个第一数据线，设置在水平中心线的第一侧上的第一显示面板区域中，并且多个第二数据线设置在第二 显示面板区域在与第一侧相对的水平中心线的第二侧上。

公开(公告)号：US11043184B2

公开(公告)日：2021-06-22

申请号：US16523479

申请日：2019-07-26

Applicant: Samsung Display Co., Ltd.

Inventor： Taehyeong An ,  Jai-Hyun Koh ,  Hoi Sik Moon ,  Jae Sung Bae ,  Namjae Lim ,  Nam-Gon Choi

IPC: G09G5/00

Abstract: A display device includes a display panel comprising a plurality of pixels, a data driver configured to generate data voltages based on a gamma reference voltage, and to provide the data voltages to the plurality of pixels, a gate driver configured to provide gate signals to the plurality of pixels, and a controller configured to control the data driver and the gate driver. The controller is configured to initialize the gamma reference voltage when a blank period starts in a frame period comprising an active period and the blank period, and to change the gamma reference voltage when a duration of the blank period reaches at least one threshold time.

公开(公告)号：US10909941B2

公开(公告)日：2021-02-02

申请号：US16235048

申请日：2018-12-28

Applicant: Samsung Display Co., LTD.

Inventor： Taehyeong An ,  KyoungHo Lim ,  Soo-Yeon Lee ,  Jaehoon Lee ,  Nam-Gon Choi

IPC: G09G3/36

Abstract: A liquid crystal display device and a driving method of the liquid crystal display device includes a display panel including a plurality of gate lines, a plurality of data lines crossing the gate lines, and a plurality of pixels coupled to the gate lines and the data lines, a gate driver configured to provide a gate signal to the pixels through the gate lines, a data driver configured to provide a data signal to the pixels through the data lines and a timing controller configured to receive an image data provided from an external device and generate control signals that control the gate driver and the data driver. The timing controller analyzes a pattern of the image data by every frame, and changes an inversion driving method and gamma voltages of the image data based on a pattern analyzing result from the analysis of the pattern of the image data.

公开(公告)号：US10789687B2

公开(公告)日：2020-09-29

申请号：US16190463

申请日：2018-11-14

Applicant: Samsung Display Co., Ltd.

Inventor： Nam-Gon Choi ,  Namjae Lim ,  Moonshik Kang ,  Jinpil Kim ,  JaeSung Bae ,  Jaehoon Lee

IPC: G06T5/00 ,  G06T3/40

Abstract: In an image processing method that converts image data into output data by performing tone mapping, an edge of an image represented by the image data is determined, a first tone mapping operation is performed on first image data included in the image data, where the first image data represent a first portion of the image not including the edge, whether a gray level of second image data is within a predetermined gray range is determined, where the second image data represent a second portion of the image including the edge, a second tone mapping operation is performed on the second image data when the gray level of the second image data is within the gray range, and the first tone mapping operation is performed on the second image data when the gray level of the second image data is not within the gray range.