公开(公告)号：US09305521B2

公开(公告)日：2016-04-05

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而提供与补偿图像数据相对应的数据电压 。

公开(公告)号：US20160019838A1

公开(公告)日：2016-01-21

申请号：US14562431

申请日：2014-12-05

Applicant: Samsung Display Co., Ltd.

Inventor： Jong-Woong Park

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/3208 ,  G09G3/3275 ,  G09G2320/0626 ,  G09G2360/16

Abstract: An organic light-emitting diode (OLED) display and a method of driving the display are disclosed. In one aspect, the method includes receiving input image data, calculating a load value corresponding to a driving amount of the input image data, and calculating a luminance adjustment value for each of the pixels based at least in part on the load value and a voltage drop proportional value of each of the pixels. The voltage drop proportional value corresponds to a ratio of a voltage drop value to a maximum voltage drop value. The method also includes generating output image data based at least in part on the input image data and the luminance adjustment value and displaying an image corresponding to the output image data.

Abstract translation: 公开了一种有机发光二极管（OLED）显示器和驱动显示器的方法。 一方面，该方法包括接收输入图像数据，计算与输入图像数据的驱动量相对应的载荷值，以及至少部分地基于负载值和电压来计算每个像素的亮度调整值 降低每个像素的比例值。 电压降比例值对应于电压降值与最大电压降值的比值。 该方法还包括至少部分地基于输入图像数据和亮度调整值产生输出图像数据，并且显示与输出图像数据相对应的图像。

公开(公告)号：US09196193B2

公开(公告)日：2015-11-24

申请号：US13773257

申请日：2013-02-21

Applicant: Samsung Display Co., Ltd.

Inventor： Won-Woo Jang ,  Jong-Woong Park

IPC: G09G5/10 ,  G09G3/32 ,  G09G3/20

CPC classification number: G09G3/3208 ,  G09G3/2003 ,  G09G2300/0452 ,  G09G2340/06 ,  G09G2360/16

Abstract: A display device includes a data mapping unit for extracting a minimum value among three-color input data which respectively correspond to red, green, and blue, determining white color output data by multiplying the extracted minimum value by a gain ratio, and determining red, green, and blue color output data respectively by subtracting the white color output data from the three-color input data; and a gain adjustment unit for determining the gain ratio to minimize a standard deviation respectively for the white color output data and the red, green, and blue color output data.

Abstract translation: 显示装置包括：数据映射单元，用于提取分别对应于红色，绿色和蓝色的三色输入数据中的最小值，通过将提取的最小值乘以增益比来确定白色输出数据，并且确定红色， 绿色和蓝色输出数据分别通过从三色输入数据中减去白色输出数据; 以及增益调整单元，用于确定增益比以最小化白色输出数据和红色，绿色和蓝色输出数据的标准偏差。

公开(公告)号：US09171496B2

公开(公告)日：2015-10-27

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 ,  G06T1/20

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。

公开(公告)号：US20150243201A1

公开(公告)日：2015-08-27

申请号：US14633047

申请日：2015-02-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Gun-Hee Chung ,  Hyun-Seuk Yoo ,  Jong-Woong Park ,  Joo-Hyung Lee ,  Chang-Kyu Seol ,  Jun-Jin Kong ,  Hong-Rak Son

IPC: G09G3/20 ,  G09G3/32

CPC classification number: G09G3/3225 ,  G09G2320/043 ,  G09G2340/02 ,  G09G2360/16

Abstract: An organic light emitting display and a method for driving the organic light emitting display. The organic light emitting display includes a display unit, a data accumulator, and a data compensator. The display unit is configured to be driven by image data. The data accumulator is configured to compress and accumulate first data corresponding to a first portion of the image data for driving a first region of the display unit, identify a second region of the display unit from the first region by analyzing the accumulated first data, and compress and accumulate second data corresponding to a second portion of the image data for driving the second region with a compression ratio based on a size of the second region. The data compensator is configured to compensate the image data based on the accumulated first and second data.

Abstract translation: 有机发光显示器和用于驱动有机发光显示器的方法。 有机发光显示器包括显示单元，数据累加器和数据补偿器。 显示单元被配置为由图像数据驱动。 数据累加器被配置为压缩和累积对应于图像数据的第一部分的第一数据，用于驱动显示单元的第一区域，通过分析累积的第一数据从第一区域识别显示单元的第二区域，以及 以与第二区域的尺寸为基础的压缩比压缩和累积与用于驱动第二区域的图像数据的第二部分相对应的第二数据。 数据补偿器被配置为基于累积的第一和第二数据来补偿图像数据。

公开(公告)号：US09047812B2

公开(公告)日：2015-06-02

申请号：US13780175

申请日：2013-02-28

Applicant: Samsung Display Co., Ltd.

Inventor： Byung-Ki Chun ,  Hak-Sun Kim ,  Yong-Seok Choi ,  Joo-Hyung Lee ,  Jong-Woong Park ,  Bo-Young An ,  Chang-Ho Hyun

IPC: G09G3/32

CPC classification number: G09G3/3208 ,  G09G3/20 ,  G09G2320/041 ,  G09G2320/048 ,  G09G2320/0693 ,  G09G2360/16

Abstract: A display device includes: a plurality of pixels; a degradation compensator for using a temperature weight value for a reference temperature, a luminance weight value for a reference luminance, and a material weight value for a reference material, for calculating a reference using time when a degradation rate of the pixels is changed to a reference degradation rate of a reference degradation curve, and for generating a control variable according to the reference using time; and a power supply for controlling a voltage difference between a first power source voltage for supplying a driving current to the pixels and a second power source voltage according to the control variable.

Abstract translation: 显示装置包括：多个像素; 使用用于参考温度的温度权重值，参考亮度的亮度权重值和参考物质的物料重量值的劣化补偿器，用于当将像素的劣化率改变为 参考降解曲线的参考劣化率，以及根据参考使用时间产生控制变量; 以及电源，用于根据控制变量来控制用于向像素提供驱动电流的第一电源电压和第二电源电压之间的电压差。

公开(公告)号：US20150091950A1

公开(公告)日：2015-04-02

申请号：US14327403

申请日：2014-07-09

Applicant: Samsung Display Co., Ltd.

Inventor： Jong-Woong Park

IPC: G09G3/32

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：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：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：US12277916B2

公开(公告)日：2025-04-15

申请号：US17493097

申请日：2021-10-04

Applicant: Samsung Display Co., Ltd.

Inventor： Jong-Woong Park ,  Suk Hoon Ku ,  Seok Jeong Song

IPC: G09G5/10 ,  G09G3/3275

Abstract: A data compensation circuit includes a reference frame memory device which stores reference frame data, an accumulated stress memory device which stores cumulative stress data for each of pixels, a stress data generating block which compares output image data with the reference frame data to generate stress data for each of the pixels, a memory control block which adds the stress data to the cumulative stress data to update the cumulative stress data and a compensating block which generates the output image data by generating afterimage compensation data for each of the pixels based on the cumulative stress data and compensating input image data based on the afterimage compensation data.