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公开(公告)号：US11423684B2
公开(公告)日：2022-08-23
申请号：US16838689
申请日：2020-04-02
Applicant: Samsung Display Co., Ltd.
Inventor： Chul Kim , Keumdong Jung , KyungTea Park , Sunhwa Lee , Mukyung Jeon , Sanghyun Heo
IPC: G06V40/13 , G06F3/041 , G06V10/141 , G06V40/12
Abstract: A display device relating to a method of operating thereof includes: a display panel having a touch sensing unit to sense an external touch and a display unit including a plurality of pixels; a fingerprint sensing panel to sense a fingerprint disposed on one surface of the display unit, the fingerprint sensing panel having a plurality of fingerprint sensing pixels respectively connected to a plurality of fingerprint scan lines and a plurality of fingerprint sensing lines, and a fingerprint scan driving circuit to drive one or more fingerprint scan lines included in a sensing area; and a read-out circuit to output a selection signal for selecting a sensing area of the fingerprint sensing panel.
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公开(公告)号：US11989371B2
公开(公告)日：2024-05-21
申请号：US17825862
申请日：2022-05-26
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Sanghyun Heo , Jiwoong Kim , Hyunggun Ma , Kyungtea Park , Seongan Park , Seongjoo Lee , Taehun Lee
IPC: G06F3/041 , G06F3/044 , H10K59/122
CPC classification number: G06F3/04182 , G06F3/041662 , G06F3/04164 , G06F3/0446 , G06F2203/04106 , H10K59/122
Abstract: A display device includes a display panel, an input sensor having a plurality of first sensing electrodes and a plurality of second sensing electrodes, and a readout circuit that includes a noise filter electrically connected to the plurality of first sensing electrodes and the plurality of second sensing electrodes to remove noise of a receiving signal received from the plurality of first sensing electrodes and the plurality of second sensing electrodes. The readout circuit determines which of the first sensing electrodes are influenced by a touch based on the receiving signal as influenced electrodes, during a first sensing mode. The readout circuit adjusts a passband of the noise filter based on the number of influenced electrode and transmits a transmitting signal to the influenced electrodes, during a second sensing mode.
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公开(公告)号：US20220392248A1
公开(公告)日：2022-12-08
申请号：US17892107
申请日：2022-08-21
Applicant: Samsung Display Co., Ltd.
Inventor： Chul Kim , Keumdong Jung , KyungTea Park , Sunhwa Lee , Mukyung Jeon , Sanghyun Heo
IPC: G06V40/13 , G06F3/041 , G06V10/141 , G06V40/12
Abstract: A display device relating to a method of operating thereof, including: a display panel having a touch sensing unit to sense an external touch and a display unit including a plurality of pixels; a fingerprint sensing panel to sense a fingerprint disposed on one surface of the display unit, the fingerprint sensing panel having a plurality of fingerprint sensing pixels respectively connected to a plurality of fingerprint scan lines and a plurality of fingerprint sensing lines, and a fingerprint scan driving circuit to drive one or more fingerprint scan lines included in a sensing area; and a read-out circuit to output a selection signal for selecting a sensing area of the fingerprint sensing panel.
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公开(公告)号：US11715320B2
公开(公告)日：2023-08-01
申请号：US17892107
申请日：2022-08-21
Applicant: Samsung Display Co., Ltd.
Inventor： Chul Kim , Keumdong Jung , KyungTea Park , Sunhwa Lee , Mukyung Jeon , Sanghyun Heo
CPC classification number: G06V40/13 , G06F3/0416 , G06V40/1365
Abstract: A display device relating to a method of operating thereof, including: a display panel having a touch sensing unit to sense an external touch and a display unit including a plurality of pixels; a fingerprint sensing panel to sense a fingerprint disposed on one surface of the display unit, the fingerprint sensing panel having a plurality of fingerprint sensing pixels respectively connected to a plurality of fingerprint scan lines and a plurality of fingerprint sensing lines, and a fingerprint scan driving circuit to drive one or more fingerprint scan lines included in a sensing area; and a read-out circuit to output a selection signal for selecting a sensing area of the fingerprint sensing panel.
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公开(公告)号：US11663946B2
公开(公告)日：2023-05-30
申请号：US17723820
申请日：2022-04-19
Applicant: Samsung Display Co., Ltd.
Inventor： Jiwoong Kim , Ohjo Kwon , Ikhyun Kim , Hyunggun Ma , Kyungtea Park , Seongjoo Lee , Keumdong Jung , Sanghyun Heo , Donghyun Hwang
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2310/027 , G09G2310/0286 , G09G2310/0289 , G09G2310/0291
Abstract: A driving chip includes a data channel block including a plurality of data channels, a scan channel block disposed in a first direction from the data channel block and including a plurality of scan channels, a data pad block disposed outside the data channel block and the scan channel block in the first direction and including a plurality of data pads which respectively receive a data signal from the plurality of data channels, and a scan pad block disposed outside the data channel block and the scan channel block in the first direction, disposed outside the data pad block in a second direction crossing the first direction and including a plurality of scan pads which respectively receive a scan signal from the scan channels.
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Patent Agency Ranking
公开(公告)号：US09563306B2
公开(公告)日：2017-02-07
申请号：US14849250
申请日：2015-09-09
Inventor： Junil Kwon , Jaejoon Kim , Franklin Don Bien , Hyunggun Ma , Sanghyun Heo
CPC classification number: G06F3/0416 , G06F3/044 , G06F2203/04104
Abstract: Disclosed is a touch sensor, including: a plurality of driving electrodes; a plurality of detection electrodes positioned to cross the driving electrodes; and a driver configured to supply driving signals corresponding to driving codes to the driving electrodes, in which the driver supplies the same driving signal as that of a previous driving period to a corresponding driving electrode for a current driving period when the driving code is set to a first value, and supplies a driving signal different from that of the previous driving period to the corresponding driving electrode for the current driving period when the driving code is set to a second value.
Abstract translation: 公开了一种触摸传感器，包括：多个驱动电极; 定位成与驱动电极交叉的多个检测电极; 以及驱动器，被配置为向驱动电极提供与驱动代码相对应的驱动信号，其中驱动器将与驱动代码相同的驱动信号提供给当前驱动周期的相应驱动电极，当驱动代码被设置为 并且当驱动代码被设置为第二值时，将与前一驱动周期的驱动信号不同的驱动信号提供给当前驱动周期的相应驱动电极。
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公开(公告)号：US11804160B2
公开(公告)日：2023-10-31
申请号：US17977647
申请日：2022-10-31
Applicant: Samsung Display Co., Ltd.
Inventor： Junyong Song , Chaehee Park , Sanghyun Heo , Bonghyun You
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2300/0809 , G09G2310/0289 , G09G2310/08
Abstract: A display apparatus includes an integral integrated circuit and a display panel. The integral integrated circuit includes a gate channel which outputs a gate primitive signal and a data channel which outputs a data voltage. The display panel includes a level shifter which amplifies the gate primitive signal to generate a gate signal. The display panel is configured to display an image based on the gate signal and the data voltage. The display panel includes a first gate line extending in a first direction and a second gate line extending in a second direction. The second direction is different from the first direction. The second gate line is connected to the first gate line. The level shifter is connected to the second gate line.
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8.发明申请公开(公告)号：US20200320269A1
公开(公告)日：2020-10-08
申请号：US16838689
申请日：2020-04-02
Applicant: Samsung Display Co., Ltd.
Inventor： Chul Kim , Keumdong Jung , KyungTea Park , Sunhwa Lee , Mukyung Jeon , Sanghyun Heo
Abstract: A display device relating to a method of operating thereof includes: a display panel having a touch sensing unit to sense an external touch and a display unit including a plurality of pixels; a fingerprint sensing panel to sense a fingerprint disposed on one surface of the display unit, the fingerprint sensing panel having a plurality of fingerprint sensing pixels respectively connected to a plurality of fingerprint scan lines and a plurality of fingerprint sensing lines, and a fingerprint scan driving circuit to drive one or more fingerprint scan lines included in a sensing area; and a read-out circuit to output a selection signal for selecting a sensing area of the fingerprint sensing panel.
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公开(公告)号：US20170205933A1
公开(公告)日：2017-07-20
申请号：US15255581
申请日：2016-09-02
Inventor： Jun Il Kwon , Franklin Bien , Jae Joon Kim , Sanghyun Heo , Hyunggun Ma
CPC classification number: G06F3/0416 , G06F3/0418 , G06F3/044 , G06F2203/04104 , G06F2203/04106 , G06K9/0002
Abstract: A touch sensor including a touch sensing unit including drive electrodes and sensing electrodes, a drive signal generation unit that applies parallel drive signals to the drive electrodes, differential amplifiers that receive sensed output values output from the sensing electrodes according to the parallel drive signals and a reference output value, and a touch processing unit that determines an occurrence of a touch according to differential output values of the differential amplifiers.
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公开(公告)号：US11989967B2
公开(公告)日：2024-05-21
申请号：US18210607
申请日：2023-06-15
Applicant: Samsung Display Co., Ltd.
Inventor： Chul Kim , Keumdong Jung , KyungTea Park , Sunhwa Lee , Mukyung Jeon , Sanghyun Heo
CPC classification number: G06V40/13 , G06F3/0416 , G06V40/1365
Abstract: A display device relating to a method of operating thereof, including: a display panel having a touch sensing unit to sense an external touch and a display unit including a plurality of pixels; a fingerprint sensing panel to sense a fingerprint disposed on one surface of the display unit, the fingerprint sensing panel having a plurality of fingerprint sensing pixels respectively connected to a plurality of fingerprint scan lines and a plurality of fingerprint sensing lines, and a fingerprint scan driving circuit to drive one or more fingerprint scan lines included in a sensing area; and a read-out circuit to output a selection signal for selecting a sensing area of the fingerprint sensing panel.
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