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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
Applicant: Samsung Display Co., Ltd.
Inventor： Hyun Dae Lee , Seung Hyun Moon , Dong Wook Yang , Hee Chul Hwang , Deok Hwa Woo , Young Eun Lee
Abstract: 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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Patent Agency Ranking
公开(公告)号：US11423691B2
公开(公告)日：2022-08-23
申请号：US16927622
申请日：2020-07-13
Applicant: Samsung Display Co., Ltd.
Inventor： Seung Hyun Moon , Yun Ho Kim , Jin Oh Kwag , Won Sang Park , Bong Hyun You , Keum Dong Jung , Chui Kim , Jun Hee Moon , Deok Hwa Woo , Hee Chui Hwang
Abstract: A display device includes a display panel including a plurality of pixels configured to display an image, a photo sensor on one surface of the display panel to sense light, and a fingerprint detector configured to control a fake determination image pattern of a fingerprint sensing area of the display panel configured to sense a fingerprint, and to perform fingerprint authentication and fake fingerprint determination, based on a sensing signal supplied from the photo sensor.
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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
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： 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: G06V40/13 , H10K59/65 , G06V40/12 , H10K59/12 , H01L27/146
CPC classification number: H10K59/65 , G06V40/1318 , G06V40/1388 , G06V40/1394 , H10K59/12 , H01L27/14623 , H01L27/14678
Abstract: 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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公开(公告)号：US20210073507A1
公开(公告)日：2021-03-11
申请号：US16992801
申请日：2020-08-13
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： 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
Abstract: 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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公开(公告)号：US20230397472A1
公开(公告)日：2023-12-07
申请号：US18451053
申请日：2023-08-16
Applicant: Samsung Display Co., Ltd.
Inventor： 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
CPC classification number: H10K59/65 , G06V40/1394 , G06V40/1318 , G06V40/1388 , H10K59/12 , H01L27/14678
Abstract: 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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公开(公告)号：US11488412B2
公开(公告)日：2022-11-01
申请号：US17392179
申请日：2021-08-02
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyun Dae Lee , Seung Hyun Moon , Dong Wook Yang , Hee Chul Hwang , Deok Hwa Woo , Young Eun Lee
Abstract: 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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