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公开(公告)号：US12236048B2
公开(公告)日：2025-02-25
申请号：US18402507
申请日：2024-01-02
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyung Bae Kim , Min Hong Kim , Sang Kook Kim , Tae Joon Kim , Jae Hyun Park , Ji Yeong Lee , Hyun Wook Cho
Abstract: A touch sensor includes first touch cells disposed in a first touch sensing area, the first touch cells each including a first touch pattern and a first dummy pattern, and second touch cells disposed in a second touch sensing area, the second touch cells each including a second touch pattern and a second dummy pattern. An area of a first dummy pattern area in which the first dummy pattern is disposed is greater than an area of a second dummy pattern area in which the second dummy pattern is disposed.
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公开(公告)号：US11803264B2
公开(公告)日：2023-10-31
申请号：US17403847
申请日：2021-08-16
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyun Wook Cho , Min Hong Kim , Tae Joon Kim , Jung Mok Park
CPC classification number: G06F3/0412 , G06F3/0416 , G06F3/0446
Abstract: A display is provided. A display panel including a first substrate, a second substrate an active element layer disposed on the first substrate, and a sealing member coupling the first substrate and the second substrate, and a touch member disposed on the display panel and including a touch signal line and a touch antistatic line, wherein the touch antistatic line is disposed outside the touch signal line and at least partially overlaps the sealing member, and the touch antistatic line has light transmittance higher than light transmittance of the touch signal line.
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公开(公告)号：US12223132B2
公开(公告)日：2025-02-11
申请号：US18211487
申请日：2023-06-19
Applicant: Samsung Display Co., Ltd.
Inventor： Min Hong Kim , Tae Joon Kim , Jung Mok Park , Jin Woo Park , Hyun Wook Cho
Abstract: According to an embodiment of the disclosure, a display device includes a sensor driver receiving firmware from an host in which the firmware is stored, the sensor driver including a second memory storing the firmware supplied from the host and initialized when a reset signal is supplied from the host, and a sensing unit for supplying a recovery signal corresponding to an abnormal state of the sensor driver to the host while sensing at least one of an internal voltage and a clock signal of the sensor driver.
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公开(公告)号：US12105915B2
公开(公告)日：2024-10-01
申请号：US17875335
申请日：2022-07-27
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Wook Cho , Min Hong Kim , Tae Joon Kim , Hyung Bae Kim , Jung Mok Park , Il Ho Lee , Jae Woo Choi
CPC classification number: G06F3/04186 , G06F3/0412 , G06F3/041662 , G06F3/0446 , G06F2203/04111
Abstract: A display device includes a display unit including pixels. A sensor unit overlaps with the display unit and includes sensors. A sensor driver transmits a driving signal to the sensors, and receives sensing signals corresponding to the driving signal from the sensors. One sensing period includes a first sensing period and a second sensing period. The sensor driver transmits a first driving signal having a first frequency to the sensors in the first sensing period, and transmits a second driving signal having a second frequency different from the first frequency to the sensors in the second sensing period.
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公开(公告)号：US11886671B2
公开(公告)日：2024-01-30
申请号：US17807166
申请日：2022-06-16
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyung Bae Kim , Min Hong Kim , Sang Kook Kim , Tae Joon Kim , Jae Hyun Park , Ji Yeong Lee , Hyun Wook Cho
CPC classification number: G06F3/0443 , G06F3/0446 , G06F3/04164
Abstract: A touch sensor includes first touch cells disposed in a first touch sensing area, the first touch cells each including a first touch pattern and a first dummy pattern, and second touch cells disposed in a second touch sensing area, the second touch cells each including a second touch pattern and a second dummy pattern. An area of a first dummy pattern area in which the first dummy pattern is disposed is greater than an area of a second dummy pattern area in which the second dummy pattern is disposed.
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Patent Agency Ranking
公开(公告)号：US11789566B2
公开(公告)日：2023-10-17
申请号：US17674980
申请日：2022-02-18
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyun Wook Cho , Min Hong Kim , Jung Mok Park , Il Ho Lee
CPC classification number: G06F3/04184 , G06F3/0446 , G06F3/04166
Abstract: A display device including: pixels; a data driver configured to start outputting data voltages to at least some of the pixels at a first time during a horizontal period, and end outputting the data voltages at a second time during the horizontal period; sensors; and a sensor driver configured to change a logic level of a sensing signal of at least some of the sensors at a third time different from the first time and the second time during the horizontal period, wherein at least one of the first time, the second time, and the third time is changed according to a number of times a logic level of a vertical synchronization signal is changed while a logic level of a horizontal synchronization signal is maintained.
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公开(公告)号：US11662848B2
公开(公告)日：2023-05-30
申请号：US17466405
申请日：2021-09-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Bo Geun Yuk , Jun Seong Lee , Min Hong Kim , Tae Joon Kim , Eung Kwan Lee
CPC classification number: G06F3/0412 , G06F3/0446 , G06F3/04184 , G06F2203/04111
Abstract: A display device includes a display unit comprising a plurality of pixels. A touch sensing unit is disposed on the display unit and comprises a plurality of driving electrodes and a plurality of sensing electrodes. A touch driver supplies a touch driving signal to the driving electrodes through a plurality of driving lines and receives a touch sensing signal from the sensing electrodes through a plurality of sensing lines. During a first horizontal period of one frame period, the touch driver supplies a touch driving signal having a first pulse width to a first partial portion of the driving lines and supplies a touch driving signal having a second pulse width smaller than the first pulse width to a second partial portion of the driving lines that is different from the first partial portion of the driving lines.
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公开(公告)号：US20230152928A1
公开(公告)日：2023-05-18
申请号：US17807166
申请日：2022-06-16
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： HYUNG BAE KIM , Min Hong Kim , Sang Kook KIM , Tae Joon KIM , Jae Hyun PARK , Ji Yeong LEE , Hyun Wook CHO
CPC classification number: G06F3/0443 , G06F3/0446 , G06F3/04164
Abstract: A touch sensor includes first touch cells disposed in a first touch sensing area, the first touch cells each including a first touch pattern and a first dummy pattern, and second touch cells disposed in a second touch sensing area, the second touch cells each including a second touch pattern and a second dummy pattern. An area of a first dummy pattern area in which the first dummy pattern is disposed is greater than an area of a second dummy pattern area in which the second dummy pattern is disposed.
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公开(公告)号：US11977703B2
公开(公告)日：2024-05-07
申请号：US18174523
申请日：2023-02-24
Applicant: Samsung Display Co., LTD.
Inventor： Jin Woo Park , Min Hong Kim , Tae Joon Kim , Il Ho Lee , Wan Kee Jun
CPC classification number: G06F3/04166 , G06F3/0412 , G06F3/0446
Abstract: A touch detection module, includes: a plurality of driving electrodes arranged side by side; a plurality of sensing electrodes staggered with respect to the driving electrodes; and a touch driving circuit configured to supply touch driving signals to the plurality of driving electrodes and to detect touch detection signals through the plurality of sensing electrodes to identify touch position coordinates, wherein the touch driving circuit is configured: to vary frequency modulation parameter set values in response to a change in a frequency of reference clocks, and to generate and supply a frequency of the touch driving signals by using the reference clocks and a varied frequency modulation parameter set value.
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公开(公告)号：US11720194B2
公开(公告)日：2023-08-08
申请号：US17668966
申请日：2022-02-10
Applicant: Samsung Display Co., Ltd.
Inventor： Jung Mok Park , Min Hong Kim , Tae Joon Kim , Jin Woo Park , Wan Kee Jun , Hyun Wook Cho
CPC classification number: G06F3/0412 , G06F3/0446 , G06F3/0448 , G06F2203/04103 , G06F2203/04111 , G06F2203/04112
Abstract: The present disclosure relates to a touch detection device that can increase the emission efficiency while maintaining touch detecting performance by improving the structure of touch electrodes. According to an embodiment of the disclosure, a touch detection device comprising a first touch insulating layer, a connection electrode disposed on the first touch insulating layer, a second touch insulating layer disposed on the connection electrode, a driving electrode disposed on a second touch insulating layer and connected to the connection electrode through at least one touch contact hole, and a sensing electrode disposed on the second touch and spaced apart from the driving electrode, wherein at least one of the driving electrode and the sensing electrode a conductive metal electrode and a metal oxide electrode which is oxidized.
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