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公开(公告)号：US12299560B2
公开(公告)日：2025-05-13
申请号：US17476905
申请日：2021-09-16
Applicant: Samsung Display Co., Ltd.
Inventor： Masahiko Takiguchi , Kazuhiro Matsumoto
Abstract: A neural network processing device includes: a convolution part which receives an input signal and a learning completion weight parameter, performs a convolution operation on the input signal and the learning completion weight parameter, and outputs a convolution signal that is a result value of the convolution operation; a batch adjustment which receives the convolution signal and a learning completion normalization parameter, and outputs an adjustment signal obtained by adjusting an output deviation of the convolution signal; and an activation part which converts the adjustment signal into an output signal based on an activation function.
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公开(公告)号：US11355084B2
公开(公告)日：2022-06-07
申请号：US17101331
申请日：2020-11-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kazuhiro Matsumoto , Masahiko Takiguchi
IPC: G09G5/10 , G09G3/3225
Abstract: The present disclosure provides a display device. The display device includes a controller and a display panel displaying an image. The controller includes a detector, a compensator, and a converter. The detector separates image data into first image data corresponding to a first image recognized as a non-afterimage component and second image data corresponding to a second image recognized as an afterimage component using a pre-trained deep neural network. The compensator outputs a compensation signal to control a luminance value of the second image data. The converter converts the first image data to first converted image data and converting the second image data to second converted image data based on the compensation signal.
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公开(公告)号：US20210225327A1
公开(公告)日：2021-07-22
申请号：US17101331
申请日：2020-11-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kazuhiro Matsumoto , Masahiko Takiguchi
IPC: G09G5/10
Abstract: The present disclosure provides a display device. The display device includes a controller and a display panel displaying an image. The controller includes a detector, a compensator, and a converter. The detector separates image data into first image data corresponding to a first image recognized as a non-afterimage component and second image data corresponding to a second image recognized as an afterimage component using a pre-trained deep neural network. The compensator outputs a compensation signal to control a luminance value of the second image data. The converter converts the first image data to first converted image data and converting the second image data to second converted image data based on the compensation signal.
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公开(公告)号：US09812085B2
公开(公告)日：2017-11-07
申请号：US14281102
申请日：2014-05-19
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kazuhiro Matsumoto
CPC classification number: G09G5/02 , G09G2340/06 , H04N1/6061 , H04N9/67
Abstract: A gamut adjusting method fully expresses a dynamic range of a display gamut to display an image more naturally. With respect to a brightness signal of each primary color of an input image signal, a data translation unit executes a matrix calculation based on a translation matrix for conversion into an image signal for display control. A saturation calculating unit calculates saturation of the input image signal. When saturation is smaller than a threshold value, the data translation unit is set with a translation matrix such that a tone on the display corresponds to or approximates a tone of the input image signal. When saturation is greater than the threshold value and smaller than a maximum value, as the saturation increases, a translation matrix is switched such that a vector on a xy chromaticity diagram toward a tone on a display approximates a vector toward a tone for maximum saturation.
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公开(公告)号：US09665929B2
公开(公告)日：2017-05-30
申请号：US14925335
申请日：2015-10-28
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kazuhiro Matsumoto
CPC classification number: G06T5/008 , G06T5/002 , G06T2207/20012 , G06T2207/20192 , G06T2207/20208
Abstract: An image processing device includes a generation unit and a smoothing processor. The generation unit calculates an edge strength on the basis of a stairs tone strength indicative of differences between a first parameter and a second parameter. The first parameter is a first gradient based on pixel values of a pixel of interest in an input image and adjacent pixels included in a first range with respect to the pixel of interest. The second parameter is one of a variance based on pixel values of the pixel of interest and the adjacent pixels, and a second gradient based on the pixel value of the pixel of interest and adjacent pixels included in a second range. The smoothing processor performs a nonlinear smoothing operation on the pixel value of the pixel of interest and the adjacent pixels included in the first range on the basis of the calculated edge strength.
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Patent Agency Ranking
公开(公告)号：US12223137B2
公开(公告)日：2025-02-11
申请号：US18107635
申请日：2023-02-09
Applicant: Samsung Display Co., Ltd.
Inventor： Satoshi Uchino , Kazuhiro Matsumoto , Masahiko Takiguchi
Abstract: An electronic device includes a display panel, a sensor layer disposed on the display panel and including a plurality of sensing electrodes, and a sensor driver connected with the plurality of sensing electrodes to drive the sensor layer. The sensor driver includes a plurality of analog-to-digital converters that samples an input signal received from the outside by the sensor layer. The plurality of analog-to-digital converters is connected one-to-one with the plurality of sensing electrodes.
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公开(公告)号：US12204722B2
公开(公告)日：2025-01-21
申请号：US18367535
申请日：2023-09-13
Applicant: Samsung Display Co., Ltd.
Inventor： Satoshi Uchino , Kazuhiro Matsumoto , Masahiko Takiguchi
Abstract: A sensor including: a sensor layer including a first electrode and a second electrode; a signal detection circuit configured to convert a sensing signal received from the sensor layer into data; a signal state detector configured to detect a state of the sensing signal based on the data; a signal restorer configured to output restoration data by restoring the data depending on the state of the sensing signal; and a coordinate calculator configured to calculate coordinates corresponding to the sensing signal based on the data or the restoration data, wherein the signal restorer restores the data into the restoration data by using a 2-dimensional (2D) normal distribution waveform.
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公开(公告)号：US09648212B2
公开(公告)日：2017-05-09
申请号：US15051204
申请日：2016-02-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kazuhiro Matsumoto
CPC classification number: H04N5/142 , G06T5/00 , G06T5/002 , G06T5/008 , G06T2207/20192 , H04N5/2355
Abstract: An image processing device includes an edge strength calculation unit, and a mixing unit. The edge strength calculation unit calculates an edge strength of a pixel of interest in an input image from a stairs tone strength of the pixel of interest and a gradient of the pixel of interest, wherein the gradient is calculated from pixel values of the pixel of interest and pixels adjacent to the pixel of interest, and the stairs tone strength is indicative of differences between the gradient and a variance of the pixel of interest calculated from the pixel values of the pixel of interest and the adjacent pixels. The mixing unit calculates an illumination light component of the pixel of interest of the input image from an average value of the pixel of interest and pixel values adjacent to the pixel of interest, and a mixing ratio calculated from the edge strength.
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公开(公告)号：US11893746B2
公开(公告)日：2024-02-06
申请号：US17117560
申请日：2020-12-10
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yasuhiko Shinkaji , Kazuhiro Matsumoto , Masahiko Takiguchi
CPC classification number: G06T7/13 , G06T1/20 , G06T7/11 , G06V10/44 , G06V30/147 , G06T2207/20182 , G06V30/10
Abstract: The present disclosure describes an image processor of a display device. The image processing includes a pre-processor, a segmentation processor, and a correction processor. The pre-processor performs spatial filtering on an input image signal and output a line image signal. The segmentation processor classifies a class of the line image signal and outputting a segmentation signal representing the class. The correction processor corrects the segmentation signal based on the line image signal. Additionally, the correction processor detects a class boundary of the segmentation signal, detects an edge within an edge region of the line image signal corresponding to the class boundary, and corrects the segmentation signal based on the detected edge.
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公开(公告)号：US11475816B2
公开(公告)日：2022-10-18
申请号：US17509103
申请日：2021-10-25
Applicant: Samsung Display Co., Ltd.
Inventor： Yasuhiko Shinkaji , Kazuhiro Matsumoto , Masahiko Takiguchi
Abstract: Disclosed is an image processor of a display device including a segmentation processing module classifying a background and a text of an image signal and outputting a segmentation signal, a class classification processing module outputting a class signal based on the segmentation signal, a memory storing broadcast information signals, a correction processing module correcting an image signal based on the segmentation signal and a broadcast information signal corresponding to the class signal among the broadcast information signals and outputting a correction segmentation signal, and a data signal output module preventing an afterimage of the image signal based on the correction segmentation signal and outputting a data signal.
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