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1.发明授权公开(公告)号：US11170090B2
公开(公告)日：2021-11-09
申请号：US16997871
申请日：2020-08-19
发明人： Won Sang Park , Jin Oh Kwag , Il Nam Kim , Ji Hun Ryu , Seung Hyun Moon , Bong Hyun You , Jong Hyun Lee , Hee Chul Hwang
摘要： A display device includes a fingerprint sensor including a first layer having at least one photo sensor to generate a fingerprint image corresponding to reflected light from a fingerprint contact surface, light emitting elements to transmit light reflected by the fingerprint, and a second layer including pin holes to allow reflected light to be incident upon the at least one photo sensor; and fingerprint detector to receive the fingerprint image from the fingerprint sensor, to extract a first image corresponding to a first region of the fingerprint and a second image corresponding to a second region of the fingerprint, to compare the first and second images to determine similarity, and to perform fingerprint authentication, based on similarity determination, where the fingerprint first region is in contact with the fingerprint contact surface and the fingerprint second region is not in contact with the fingerprint contact surface.
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2.发明授权Partial dynamic false contour detection method based on look-up table and device thereof, and image data compensation method using the same 有权基于查找表及其设备的部分动态假轮廓检测方法，以及使用该方法的图像数据补偿方法公开(公告)号：US09595218B2
公开(公告)日：2017-03-14
申请号：US14454246
申请日：2014-08-07
发明人： Hassan Kamal , Hee Chul Hwang
CPC分类号： G09G3/2044 , G09G3/28 , G09G3/3208 , G09G3/3666 , G09G2300/0439 , G09G2300/0452 , G09G2320/0228 , G09G2320/0285
摘要： A method for detecting noise includes determining whether a data value of a candidate pixel in a predetermined region of an image matches a first dynamic false contour (DFC) candidate value, determining whether a data value of at least one pixel adjacent to the candidate pixel matches a second DFC candidate value, and changing the data value of the candidate pixel the prior two determinations. The data value of the candidate pixel may be changed to a value in a lookup table. The first and second DFC candidate values may also be stored in one or more lookup tables.
摘要翻译： 一种用于检测噪声的方法包括确定图像的预定区域中的候选像素的数据值是否匹配第一动态假轮廓（DFC）候选值，确定与候选像素相邻的至少一个像素的数据值是否匹配 第二DFC候选值，并且改变先前两次确定的候选像素的数据值。 可以将候选像素的数据值改变为查找表中的值。 第一和第二DFC候选值也可以存储在一个或多个查找表中。
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公开(公告)号：US11080507B2
公开(公告)日：2021-08-03
申请号：US16943534
申请日：2020-07-30
发明人： Hyun Dae Lee , Seung Hyun Moon , Dong Wook Yang , Hee Chul Hwang , Deok Hwa Woo , Young Eun Lee
摘要： A fingerprint sensor includes a substrate, a light blocking layer that is on a first surface of the substrate and includes openings in a light blocking mask, and a sensor layer that is on a second surface of the substrate and includes photo sensors. A fingerprint sensing method of the fingerprint sensor includes: storing a calibration image; generating an original image, based on sensing signals from the photo sensors; performing calibration on the original image by utilizing the calibration image; and detecting a fingerprint, based on the calibrated image. The calibration image is generated by synthetizing valid regions extracted from an original calibration image corresponding to the original image.
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公开(公告)号：US11024241B2
公开(公告)日：2021-06-01
申请号：US16390907
申请日：2019-04-22
发明人： Hyun Dae Lee , Seung Hyun Moon , Dong Wook Yang , Bit Na Lee , Hee Chul Hwang
IPC分类号： G09G3/36
摘要： A timing controller may include a first compensator configured to generate second data by optically compensating for first data, based on compensation data, a first compensation memory configured to store the compensation data, a second compensator configured to generate image data by compensating for a lifetime of the second data, based on accumulated data of the second data, and a second compensation memory configured to store the accumulated data and the compensation data.
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公开(公告)号：US10785465B2
公开(公告)日：2020-09-22
申请号：US15700546
申请日：2017-09-11
发明人： Hyun Seuk Yoo , Eun Ho Lee , Hyung Jin Kim , Hyun Dae Lee , Woo Seok Han , Hee Chul Hwang
IPC分类号： H04N13/344 , H04N13/133 , G02B27/01 , H04N13/398
摘要： A head mounted display device includes a display unit divided into at least one first area and at least one second area, a lens unit which supplies an image displayed on the display unit to a user, and a frame which fixes the display unit and the lens unit thereto. The display unit includes a memory which stores first compensation data corresponding to the first area and second compensation data corresponding to the second area, and a position determiner which determines whether first data supplied from an outside belong to the first area or the second area.
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公开(公告)号：US12106601B2
公开(公告)日：2024-10-01
申请号：US18135791
申请日：2023-04-18
发明人： Il Nam Kim , Seung Hyun Moon , Dong Wook Yang , Hyun Dae Lee , Kang Bin Jo , Go Eun Cha , Hee Chul Hwang
IPC分类号： G06V40/13 , G09G3/3233 , H10K39/34 , H10K59/131
CPC分类号： G06V40/1318 , G09G3/3233 , H10K39/34 , H10K59/131 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/0202 , G09G2310/08 , G09G2354/00 , G09G2360/14
摘要： A display device including: scan lines including first and second scan lines; pixels connected to the scan lines; photo sensors connected to some of the scan lines, the photo sensors including a first photo sensor connected to the first scan line and a readout line, and a second photo sensor connected to the second scan line and the readout line; a scan driver to provide scan signals to the scan lines; and a readout circuit to receive, through the readout line, detection signals which are outputted from the photo sensors in response to the scan signals, wherein, while the scan signals are provided to the first and second scan lines, the readout circuit samples a detection signal of one of the first photo sensor and the second photo sensor without sampling a detection signal of the other one of the first photo sensor and the second photo sensor.
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7.发明授权公开(公告)号：US11568036B2
公开(公告)日：2023-01-31
申请号：US17520699
申请日：2021-11-07
发明人： Won Sang Park , Jin Oh Kwag , Il Nam Kim , Ji Hun Ryu , Seung Hyun Moon , Bong Hyun You , Jong Hyun Lee , Hee Chul Hwang
摘要： A display device including a fingerprint sensor including a first layer having at least one photo sensor to generate a fingerprint image corresponding to reflected light from a fingerprint contact surface, light emitting elements to transmit light reflected by the fingerprint, and a second layer including pin holes to allow reflected light to be incident upon the at least one photo sensor; and a fingerprint detector to receive the fingerprint image from the fingerprint sensor, to extract a first image corresponding to a first region of the fingerprint and a second image corresponding to a second region of the fingerprint, to compare the first and second images to determine similarity, and to perform fingerprint authentication, based on similarity determination, where the fingerprint first region is in contact with the fingerprint contact surface and the fingerprint second region is not in contact with the fingerprint contact surface.
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公开(公告)号：US20200098323A1
公开(公告)日：2020-03-26
申请号：US16390907
申请日：2019-04-22
发明人： HYUN DAE LEE , Seung Hyun Moon , Dong Wook Yang , Bit Na Lee , Hee Chul Hwang
IPC分类号： G09G3/36
摘要： A timing controller may include a first compensator configured to generate second data by optically compensating for first data, based on compensation data, a first compensation memory configured to store the compensation data, a second compensator configured to generate image data by compensating for a lifetime of the second data, based on accumulated data of the second data, and a second compensation memory configured to store the accumulated data and the compensation data.
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公开(公告)号：US12067946B2
公开(公告)日：2024-08-20
申请号：US18191765
申请日：2023-03-28
发明人： Il Nam Kim , Hyun Dae Lee , Kang Bin Jo , Go Eun Cha , Hee Chul Hwang
IPC分类号： G09G3/3266 , G06F3/041 , G06V40/13
CPC分类号： G09G3/3266 , G06F3/04184 , G06V40/1318 , G09G2310/061 , G09G2354/00 , G09G2360/14
摘要： A display device includes: a display panel; a scan driver to provide scan signals to scan lines; an emission driver to provide emission control signals to emission control lines; and a readout circuit to receive a sensing signal from a readout line. The display panel includes: a first pixel in a first row, and connected to a first sub-scan line from among the scan lines, and a first emission control line; a first photo sensor in the first row, and connected to the first sub-scan line, a reset control line, and the readout line; a second pixel in a second row, and connected to a second sub-scan line from among the scan lines, and a second emission control line; and a second photo sensor in the second row, and connected to the second sub-scan line, a third emission control line, and the readout line.
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公开(公告)号：US11758793B2
公开(公告)日：2023-09-12
申请号：US16992801
申请日：2020-08-13
发明人： Yun Ho Kim , Keum Dong Jung , Jin Oh Kwag , Won Sang Park , Deok Hwa Woo , Bong Hyun You , Chul Kim , Seung Hyun Moon , Jun Hee Moon , Hee Chul Hwang
IPC分类号： G06V40/13 , H10K59/65 , G06V40/12 , H10K59/12 , H01L27/146
CPC分类号： H10K59/65 , G06V40/1318 , G06V40/1388 , G06V40/1394 , H10K59/12 , H01L27/14623 , H01L27/14678
摘要： Provided is a display device including a substrate including a fingerprint area. The fingerprint area includes a first area and a second area. A light-emitting element layer is disposed on the substrate. The light-emitting element layer includes light-emitting elements. A sensor layer is disposed on the substrate, the sensor layer including photosensors. The light-emitting elements include a first light-emitting element arranged in the first area and a second light-emitting element arranged in the second area. During a fingerprint sensing period, the first light-emitting element emits light and the second light-emitting element does not emit light.
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