公开(公告)号：US20250006099A1

公开(公告)日：2025-01-02

申请号：US18829244

申请日：2024-09-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Si Beak PYO ,  Seung Kyu LEE ,  Choon Yul OH ,  Jun Ho HWANG

IPC: G09G3/20 ,  G09G3/32 ,  G09G3/3233

Abstract: A display device includes: a target pixel; observation target pixels located adjacent to the target pixel; and a grayscale corrector for converting an input grayscale value corresponding to the target pixel with reference to observation target grayscale values corresponding to the observation target pixels. The grayscale corrector includes: a light emitting pixel counter for providing a number of light emitting pixels by counting a number of observation target pixels that exceeds a reference value; and a grayscale converter for providing a converted grayscale value by converting the input grayscale value, based on the number of light emitting pixels.

公开(公告)号：US20240347002A1

公开(公告)日：2024-10-17

申请号：US18401129

申请日：2023-12-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Si Beak PYO ,  Seung Kyu LEE ,  Ji Hye MOON ,  Young Kyo SEO ,  Sung Jin KIM ,  Hyun Seok HONG

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2320/0238 ,  G09G2320/041

Abstract: A display device includes a plurality of first pixels disposed in a first pixel area and initialized by a voltage of a first initialization power source, a plurality of second pixels disposed in a second pixel area and initialized by a voltage of a second initialization power source different from the first initialization power source, a data driver that supplies a data signal to a plurality of data lines connected to the first pixels and the second pixels, and a scan driver that supplies a scan signal to a plurality of scan lines connected to the first pixels and the second pixels. A black data signal supplied from the data driver to the first pixels and a black data signal supplied from the data driver to the second pixels are set to the same voltage.

公开(公告)号：US20230076579A1

公开(公告)日：2023-03-09

申请号：US18055249

申请日：2022-11-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Si Beak PYO ,  Seung Kyu LEE ,  Young Uk HWANG

IPC: G09G3/32

Abstract: A display device includes: a plurality of pixels to receive data voltages based on converted grayscales; and a grayscale converter to: calculate first compensation offsets based on positions of the pixels and input grayscales for the pixels; convert the first compensation offsets into second compensation offsets according to a maximum luminance weight based on an input maximum luminance; and calculate the converted grayscales by applying the second compensation offsets to the input grayscales.

公开(公告)号：US20220215786A1

公开(公告)日：2022-07-07

申请号：US17699651

申请日：2022-03-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Si Beak PYO ,  Seung Kyu Lee ,  Hyun Jung Son ,  Yoon Gyu Lee

IPC: G09G3/20

Abstract: A display device includes a processor and a display panel for receiving observation grayscale values from the processor. The display panel includes a data driver for applying data voltages to data lines, a target pixel coupled to at least one of the data lines, and observation pixels each coupled to at least one of the data lines, and located adjacent to the target pixel. The display panel applies a first data voltage to the target pixel, when the observation grayscale values for the observation pixels exceed a reference value. The display panel applies a second data voltage to the target pixel, when at least one of the observation grayscale values does not exceed the reference value. The first data voltage and the second data voltage are different from each other.

公开(公告)号：US20210174738A1

公开(公告)日：2021-06-10

申请号：US17182018

申请日：2021-02-22

Applicant: Samsung Display Co., Ltd.

Inventor： Si Beak PYO ,  Sung Kook KIM

IPC: G09G3/3208

Abstract: A luminance control unit includes: a driving power voltage setting unit configured to determine a driving power voltage to be provided to a display panel, the driving power voltage corresponding to a target brightness, based on a plurality of driving power voltages respectively corresponding to a plurality of reference brightnesses of the display panel; and a gamma voltage setting unit configured to determine a target luminance corresponding to the target brightness, based on a plurality of target luminances respectively corresponding to the plurality of reference brightnesses, and to set gamma voltages for implementing the target luminance, wherein the driving power voltage and the gamma voltages are differently set with respect to the same reference brightness according to an ambient illumination intensity of the display panel.

公开(公告)号：US20200302861A1

公开(公告)日：2020-09-24

申请号：US16821658

申请日：2020-03-17

Applicant: Samsung Display Co., Ltd.

Inventor： Si Beak PYO ,  Sung Kook KIM

IPC: G09G3/3208

Abstract: A luminance control unit includes: a driving power voltage setting unit configured to determine a driving power voltage to be provided to a display panel, the driving power voltage corresponding to a target brightness, based on a plurality of driving power voltages respectively corresponding to a plurality of reference brightnesses of the display panel; and a gamma voltage setting unit configured to determine a target luminance corresponding to the target brightness, based on a plurality of target luminances respectively corresponding to the plurality of reference brightnesses, and to set gamma voltages for implementing the target luminance, wherein the driving power voltage and the gamma voltages are differently set with respect to the same reference brightness according to an ambient illumination intensity of the display panel.

公开(公告)号：US20170053592A1

公开(公告)日：2017-02-23

申请号：US15237201

申请日：2016-08-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Ju SHIN ,  Si Beak PYO

IPC: G09G3/3225 ,  G06F3/01 ,  G09G3/36

CPC classification number: G09G3/3225 ,  A61B5/01 ,  A61B5/024 ,  A61B5/02438 ,  A61B5/1072 ,  A61B5/14532 ,  A61B5/742 ,  G06F3/011 ,  G09G3/20 ,  G09G3/2003 ,  G09G3/3648 ,  G09G5/10 ,  G09G2310/08 ,  G09G2320/0247 ,  G09G2320/062 ,  G09G2320/0626 ,  G09G2320/103 ,  G09G2330/021 ,  G09G2330/022 ,  G09G2340/0435 ,  G09G2340/045 ,  G09G2340/14 ,  G09G2354/00 ,  G09G2380/08

Abstract: A display device may include a display panel, a data driver transmitting a data signal, a scan driver sequentially transmitting a scan signal, a frequency selector for selecting a driving frequency for image display, selecting a low frequency if the image displayed on the display panel is a first image and selecting a normal frequency if the image displayed on the display panel is not the first image, the normal frequency being higher than the low frequency. The display device also includes a timing controller for controlling the data driver and the scan driver based on the selected driving frequency. The timing controller may control the data driver and the scan driver such that luminance of the display panel on which the first image is displayed is periodically changed according to the low frequency if the image displayed on the display panel is the first image.

Abstract translation: 显示装置可以包括显示面板，发送数据信号的数据驱动器，顺序地发送扫描信号的扫描驱动器，用于选择用于图像显示的驱动频率的频率选择器，如果在显示面板上显示的图像选择低频 是第一图像，如果显示面板上显示的图像不是第一图像，则正常频率高于低频。 显示装置还包括基于所选择的驱动频率来控制数据驱动器和扫描驱动器的定时控制器。 如果显示面板上显示的图像是第一图像，则定时控制器可以控制数据驱动器和扫描驱动器，使得显示第一图像的显示面板的亮度根据低频率周期性地改变。