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公开(公告)号：US11797115B2
公开(公告)日：2023-10-24
申请号：US17457543
申请日：2021-12-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Mi Young Kim , Kwang Hyeok Kim , Il Joo Kim , So Yeon Park , Yong Hwan Park , Hwan Hee Jeong
IPC: G06F3/041 , G06F3/044 , G09G3/3266 , H10K59/40 , H10K59/131
CPC classification number: G06F3/0412 , G06F3/0446 , G06F3/04164 , G06F3/041662 , G09G3/3266 , H10K59/131 , H10K59/40 , G09G2310/08
Abstract: A display device includes a display panel including pixels and a scan driver for driving the pixels. The pixels are in a display area and the scan driver is in a non-display area. A touch sensing unit is disposed on the display panel and includes touch electrodes disposed in a sensing area and touch sensing lines connected to the touch electrodes. The non-display area includes at least one multiplexer, the touch sensing lines are electrically connected to input terminals of the at least one multiplexer through touch contact holes formed on the display panel. Sensing channels electrically connected to output terminals of the multiplexer are parallel to the scan driver. The at least one multiplexer is disposed between the sensing channels and the scan driver.
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公开(公告)号：US11387294B2
公开(公告)日：2022-07-12
申请号：US17001033
申请日：2020-08-24
Applicant: Samsung Display Co., Ltd.
Inventor： Young Woo Park , Mi Young Kim , Sang Hyun Jun
Abstract: A display device includes: a display unit including a flat part and a curved part which is formed to be bent from sides of the flat part; a sensing unit on the display unit to overlap with the flat part and the curved part; and a passivation layer on the sensing unit, wherein the passivation layer overlaps with the flat part and the passivation layer does not overlap the curved part.
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公开(公告)号：US11651580B2
公开(公告)日：2023-05-16
申请号：US17206123
申请日：2021-03-19
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Soon Gyu Lee , Jin A Kang , Mi Young Kim , Jin Woo Kim , Kyoung Hun Been , Byeong Kyu Jeon
CPC classification number: G06V40/1365 , G06N20/00 , G06T5/002 , G06V40/1306 , G06V40/1318 , G06V40/1335 , G06V40/50 , G06T2207/20081 , G06T2207/30168
Abstract: A fingerprint authentication device includes: a sensor unit configured to output a sensing signal by sensing a fingerprint; an image processing unit configured to generate a fingerprint image based on the sensing signal; a storage unit configured to store a template including an enrolled image; and a learning unit configured to generate a first pseudo image and add the first pseudo image to the template.
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公开(公告)号：US20220365623A1
公开(公告)日：2022-11-17
申请号：US17816625
申请日：2022-08-01
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： KWANG HYEOK KIM , Mi Young Kim , So Yeon Park , Yong Hwan Park , Sang Huyn Jun
Abstract: A touch sensor includes a sensing electrode that receives a touch input disposed on a sensing area of a substrate; and a plurality of sensing lines disposed on a non-sensing area of the substrate. Each of the plurality of sensing lines includes a first area and a second area, and first and second metal layers electrically coupled to the sensing electrode. The second metal layer is disposed on the first metal layer, and an insulating layer is interposed between the first and second metal layers. The sensing lines include first and second sensing lines. The first and second sensing lines include the first and second metal layers in the first area. The first sensing line includes the first metal layer without the second metal layer in the second area, and the second sensing line includes the second metal layer without the first metal layer in the second area.
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公开(公告)号：US11455055B2
公开(公告)日：2022-09-27
申请号：US17096710
申请日：2020-11-12
Applicant: Samsung Display Co., Ltd.
Inventor： Mi Young Kim , Kwang Hyeok Kim , So Yeon Park , Yong Hwan Park
Abstract: A display device including a substrate including a display area including a plurality of pixels and a non-display area adjacent to the display area, a plurality of sensing electrodes disposed to overlap with the display area, a plurality of display pads disposed along a first direction in the non-display area, a plurality of sensing pads disposed between the display pads, and a multiplexer electrically connecting the sensing electrodes and the sensing pads. The multiplexer is adjacent to at least one of the sensing pads in the first direction.
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公开(公告)号：US11422664B2
公开(公告)日：2022-08-23
申请号：US17157508
申请日：2021-01-25
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kwang Hyeok Kim , Mi Young Kim , So Yeon Park , Yong Hwan Park , Sang Hyun Jun
Abstract: A touch sensor includes a sensing electrode that receives a touch input disposed on a sensing area of a substrate; and a plurality of sensing lines disposed on a non-sensing area of the substrate. Each of the plurality of sensing lines includes a first area and a second area, and first and second metal layers electrically coupled to the sensing electrode. The second metal layer is disposed on the first metal layer, and an insulating layer is interposed between the first and second metal layers. The sensing lines include first and second sensing lines. The first and second sensing lines include the first and second metal layers in the first area. The first sensing line includes the first metal layer without the second metal layer in the second area, and the second sensing line includes the second metal layer without the first metal layer in the second area.
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公开(公告)号：US11137848B2
公开(公告)日：2021-10-05
申请号：US16870807
申请日：2020-05-08
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yong-Hwan Park , Mi Young Kim , Chi Wook An , Seong Jun Lee
Abstract: A display device, including a substrate; a pixel electrode and an opposing electrode on the substrate; an encapsulation portion on the opposing electrode, the encapsulation portion including at least one organic layer and at least one inorganic layer alternately deposited; and a planarization layer on the encapsulation portion, the planarization layer including a portion covering an edge portion of the encapsulation portion, a first angle between an edge side surface of the planarization layer and a surface of the substrate being larger than a second angle between an edge side surface of the encapsulation portion and the surface of the substrate.
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公开(公告)号：US10928941B2
公开(公告)日：2021-02-23
申请号：US16299280
申请日：2019-03-12
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： In Nam Lee , Young Sik Kim , Hyun Jae Lee , Mi Young Kim , Sung Hwan Kim , Chang Bum Kim , Hyung Chul Kim
Abstract: An input sensing device includes a first base layer, a plurality of first sensing electrodes, a plurality of second sensing electrodes, a plurality of third sensing electrodes, and a plurality of fourth sensing electrodes. The first sensing electrodes are arranged on the first base layer along a first direction. The second sensing electrodes are arranged on the first base layer in different rows from the first sensing electrodes. The third sensing electrodes are arranged on the second sensing electrodes along a second direction different from the first direction. The third sensing electrodes overlap the second sensing electrodes. The fourth sensing electrodes are arranged on the same layer as the third sensing electrodes and overlap the first sensing electrodes. A constant voltage is applied to the third sensing electrodes during a touch pressure sensing operation.
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公开(公告)号：US12217396B2
公开(公告)日：2025-02-04
申请号：US17812455
申请日：2022-07-14
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kyoung Hun Been , Mi Young Kim , Jin Woo Kim , Byeong Kyu Jeon
Abstract: A method for restoring an image of a fingerprint sensor is described. The method includes capturing, by the fingerprint sensor, a fake fingerprint image from a fake fingerprint; calculating a phase of the fake fingerprint from the fake fingerprint image; capturing a plurality of target fingerprint images at measurement times by a fingerprint sensor disposed on a rear side of a display panel; applying the calculated phase to each of the acquired target fingerprint images; and combining information from each of the plurality of target fingerprint images to generate a final fingerprint image.
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公开(公告)号：US11686830B2
公开(公告)日：2023-06-27
申请号：US17824241
申请日：2022-05-25
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Mi Young Kim , Kyoung Hun Been , Byeong Kyu Jeon
CPC classification number: G01S7/52004 , G01S15/8906 , G06F21/32 , G06T7/97 , G06V40/1306
Abstract: A method for calculating a reference value of an ultrasonic sensor includes: transmitting a first ultrasonic signal from the ultrasonic sensor toward a first surface of a contact device while an object is positioned on the first surface; generating a plurality of ultrasonic images based on a first ultrasonic echo signal; selecting an ultrasonic image having a highest similarity to a reference image from among the ultrasonic images; storing a first parameter and a second parameter corresponding to a selected ultrasonic image; while the object is not positioned on the first surface, transmitting a second ultrasonic signal based on the first parameter from the ultrasonic sensor toward the first surface; and calculating the reference value of the ultrasonic sensor using the second parameter and a second ultrasonic echo signal.
