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公开(公告)号：US20220092473A1
公开(公告)日：2022-03-24
申请号：US17127778
申请日：2020-12-18
Applicant: Samsung Display Co., Ltd.
Inventor： Janghwan Lee
Abstract: A system and method for making predictions relating to products manufactured via a manufacturing process are disclosed. A processor receives input data and makes a first prediction based on the input data. The processor identifies a first machine learning model from a plurality of machine learning models based on the first prediction. The processor further makes a second prediction based on the input data and the first machine learning model, and transmits a signal to adjust the manufacturing of the products based on the second prediction.
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公开(公告)号：US10755133B2
公开(公告)日：2020-08-25
申请号：US15956667
申请日：2018-04-18
Applicant: Samsung Display Co., Ltd.
Inventor： Janghwan Lee
Abstract: A system and method for identifying line Mura defects on a display. The system is configured to generate a filtered image by preprocessing an input image of a display using at least one filter. The system then identifies line Mura candidates by converting the filtered image to a binary image, counting line components along a slope in the binary image, and marking a potential candidate location when the line components along the slope exceed a line threshold. Image patches are then generated with the candidate locations at the center of each image patch. The image patches are then classified using a machine learning classifier.
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Patent Agency Ranking
公开(公告)号：US20200249651A1
公开(公告)日：2020-08-06
申请号：US16403381
申请日：2019-05-03
Applicant: Samsung Display Co., Ltd.
Inventor： Janghwan Lee
IPC: G05B19/4063 , G06N3/08
Abstract: A method for detecting a fault includes: receiving a plurality of time-series sensor data obtained in one or more manufacturing processes of an electronic device; arranging the plurality of time-series sensor data in a two-dimensional (2D) data array; providing the 2D data array to a convolutional neural network model; identifying a pattern in the 2D data array that correlates to a fault condition using the convolutional neural network model; providing a fault indicator of the fault condition in the one or more manufacturing processes of the electronic device; and determining that the electronic device includes a fault based on the fault indicator. The 2D data array has a dimension of an input data to the convolutional neural network model.
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公开(公告)号：US10558288B2
公开(公告)日：2020-02-11
申请号：US15245080
申请日：2016-08-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yiwei Zhang , Janghwan Lee , Ning Lu
IPC: G06F3/041 , G06F3/0488 , G06F3/0484 , G06F3/14
Abstract: A multi-touch display panel includes: a display panel configured to display an image according to image data; a multi-touch panel arranged over the display panel and configured to generate touch data; and a communication module configured to communicate with a remote device. The remote device includes a display panel and a touch screen, and the communication module is further configured to receive the image data from the remote device and to provide the touch data to the remote device.
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公开(公告)号：US20190191150A1
公开(公告)日：2019-06-20
申请号：US15909893
申请日：2018-03-01
Applicant: Samsung Display Co., Ltd.
Inventor： Yiwei Zhang , Janghwan Lee
Abstract: A system and method for white spot Mura defects on a display. The system is configured to pre-process an input images to generate a plurality of image patches. A feature vector is then extracted for each of the plurality of image patches. The feature vector includes at least one image moment feature and at least one texture feature. A machine learning classifier then determines the presence of a defect in each patch using the feature vector.
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公开(公告)号：US09924131B1
公开(公告)日：2018-03-20
申请号：US15374976
申请日：2016-12-09
Applicant: Samsung Display Co., Ltd.
Inventor： Janghwan Lee
CPC classification number: H04N7/0122 , G06K9/00744 , G06K9/3233 , G06K9/4604 , G06K9/4652 , G06K9/4671 , G06K9/6205 , G06K9/6215 , G06K2009/4666 , G06T3/40 , H04N5/2628 , H04N21/40
Abstract: A method of identifying and scaling a region of interest on a display device is presented. The region of interest is detected based on the rate of change between frames. A size of the display area of the display device and aspect ratio are determined. The detected region of interest is scaled to fit the display area in full screen mode based on the display area and the aspect ratio. The region of interest may be, for example, an active video region. In full screen mode, any static or slow-moving images are hidden.
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公开(公告)号：US20170091896A1
公开(公告)日：2017-03-30
申请号：US15145761
申请日：2016-05-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Ning Lu , Janghwan Lee , Yiwei Zhang
IPC: G06T1/20
Abstract: An independent multi-source display device including: a multi-input receiver configured to concurrently receive a plurality of input data from input sources external to the independent multi-source display device, each of the input data having a display element structure indicating a data format, a depth order, a size, a position, and a content, the multi-input receiver including: formatters, each being configured to convert an input data having a data format associated with the formatter to uncompressed data; and a data classifier configured to identify a data format associated with each of the input data based on a respective display element structure of each of the input data; a compositor coupled to the formatters and configured to composite the uncompressed data into composite frames based on the display element structure associated with each of the received uncompressed data; and a display panel configured to display the composite frames.
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