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公开(公告)号:US12124640B2
公开(公告)日:2024-10-22
申请号:US18222613
申请日:2023-07-17
Applicant: SIGMASENSE, LLC.
Inventor: Patrick Troy Gray , Michael Gray
IPC: G06F3/0354 , G06F3/0346 , G06F3/038 , G06F3/041 , G06F3/044
CPC classification number: G06F3/03545 , G06F3/0346 , G06F3/0383 , G06F3/0416 , G06F3/04162 , G06F3/0418 , G06F3/04184 , G06F3/044 , G06F3/0441 , G06F3/0442 , G06F2203/04105
Abstract: A pen apparatus with a pressure sensitive tip mechanism that internally generates pressure, tilt, and/or barrel rotation through the use of a multi-axis measurement scheme with simultaneous transmit, receive, and sensing driver capability operable in conjunction with a receiving system or in a relative stand-alone manner. Signaling schemes are provided for operating the pen apparatus to achieve improved function. Systems and methods are provided for operating a pen, and for operating a pen with a touch sensor system. Drive/receive circuitry and methods of driving and receiving sensor electrode signals are provided that allow digital I/O pins to be used to interface with touch sensor electrodes. This circuitry may be operated in modes to sense various combinations of signals coupled within a pen, or from outside of a pen.
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公开(公告)号:US20240338095A1
公开(公告)日:2024-10-10
申请号:US18423672
申请日:2024-01-26
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: KYOUNGHUN BEEN , HYOJIN LEE , YOUNGSIK KIM , BYEONGKYU JEON
CPC classification number: G06F3/041662 , G06F3/04184 , G06F3/0446 , G06F2203/04101
Abstract: Disclosed is an electronic device which include a display layer that includes a plurality of pixels, a sensor layer disposed on the display layer and includes a plurality of first electrodes and a plurality of second electrodes, a display driver that drives the display layer, and a sensor driver that drives the sensor layer and selectively operates, in a proximity sensing mode, in a first mode or a second mode different from the first mode. When the electronic device enters the proximity sensing mode, the display layer operates in an active period during which data are received from the display driver and a blank period during which the data are not received. The sensor driver operates in the second mode in a period overlapping the blank period.
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公开(公告)号:US12079416B2
公开(公告)日:2024-09-03
申请号:US18132850
申请日:2023-04-10
Applicant: Samsung Display Co., Ltd.
Inventor: Hyun Jae Lee , Sung Hwan Kim
CPC classification number: G06F3/0416 , H04B7/0602 , H04B7/0834 , G06F3/04184 , G06F3/0445
Abstract: A display device includes: a display panel; a sensor substrate disposed on the display panel, the sensor substrate including a touch sensing area; sensing electrodes and antenna sets, disposed on the touch sensing area of the sensor substrate; and an input sensing circuit for sensing an external input based on sensing signals from the sensing electrodes. The input sensing circuit determines whether the external input occurred on an area in which the antenna sets are disposed in the touch sensing area, based on the sensing signals.
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公开(公告)号:US20240288970A1
公开(公告)日:2024-08-29
申请号:US18023684
申请日:2022-04-14
Inventor: Douqing ZHANG
IPC: G06F3/041 , G02F1/1368 , H04N13/398
CPC classification number: G06F3/04184 , G02F1/1368 , G06F3/0412 , H04N13/398
Abstract: The present disclosure relates to a display apparatus and a drive method thereof. The display apparatus includes a backlight module; a liquid crystal touch display panel, located on a light emitting side of the backlight module; and a liquid crystal grating panel, located between the backlight module and the liquid crystal touch display panel.
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公开(公告)号:US20240272734A1
公开(公告)日:2024-08-15
申请号:US17998977
申请日:2022-11-04
Inventor: Liwang LIU , Weihong YIN , Chao WANG
CPC classification number: G06F3/0412 , G06F3/04164 , G09G3/20 , G06F3/04184 , G09G2300/0426 , G09G2310/0297 , G09G2354/00
Abstract: The present application provides a display panel and a display device. The display panel includes a plurality of data lines and a first demultiplexer. In the first demultiplexer, each first channel wire is connected to at least two data lines. Each first control unit includes a plurality of first switching elements. At least one data line is connected to the first channel wire through M first switching elements connected in parallel, and M≥2. The display panel includes a display area, and the first control unit is arranged in the display area.
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公开(公告)号:US12045418B2
公开(公告)日:2024-07-23
申请号:US17857024
申请日:2022-07-03
Applicant: Samsung Display Co., Ltd.
Inventor: Soongyu Lee
CPC classification number: G06F3/04184 , G06F3/0446 , G06F2203/04108
Abstract: An electronic device including a display layer, a sensor layer that senses a first input by proximity sensing and a second input by a touch, wherein the sensor layer is disposed on the display layer and includes a plurality of first electrodes extending in a first direction and a plurality of second electrodes extending in a second direction intersecting the first direction, and a control unit that controls the sensor layer. When the first input is sensed, the control unit obtains a measurement signal from one of the plurality of first electrodes, obtains a noise signal from another of the plurality of first electrodes, and determines whether the first input is sensed, based on the measurement signal and the noise signal.
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公开(公告)号:US12032797B2
公开(公告)日:2024-07-09
申请号:US18145971
申请日:2022-12-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Choon Hyop Lee , Jang Hui Kim , Jae Won Kim , In Nam Lee
CPC classification number: G06F3/0446 , G06F3/0412 , G06F3/04184 , G06F3/0445 , H10K59/40
Abstract: An input sensing device includes an input sensing panel including driving electrodes and sensing electrodes, a driving signal generator that provides driving signals to the driving electrodes, respectively, and a sensing unit that receives sensing signals according to the driving signals from the sensing electrodes, and determines whether a touch is performed based on the sensing signals. Each of the driving signals includes a sinusoidal wave, and frequencies of at least some of the driving signals are different from each other.
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公开(公告)号:US20240168588A1
公开(公告)日:2024-05-23
申请号:US17778975
申请日:2021-06-25
Inventor: Yinlong ZHANG , Zhihua SUN , Pengfei HU , Senwang LI , Yanping LIAO , Xibin SHAO , Xiaofeng YIN , Jiantao LIU , Kaiming SHI , Jinling ZHANG
IPC: G06F3/041
CPC classification number: G06F3/04184 , G06F3/0412
Abstract: The present invention relates to a touch display device, a drive control circuit for the touch display device, and a method for operating the touch display device. The touch display device includes a drive control circuit, the drive control circuit is configured to: in a display phase, provide a common voltage signal to a common electrode in a pixel circuit of the touch display device; in a touch phase, provide a touch drive signal to the common electrode, wherein a ratio of an average value of a high level and a low level of the touch drive signal to a value of the common voltage signal ranges from 0.8 to 1.2.
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公开(公告)号:US11966538B2
公开(公告)日:2024-04-23
申请号:US17881259
申请日:2022-08-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Seunghoon Ko , Hoondo Heo , Dongchul Kim , Jooyoung Park , Eunsung Cho
IPC: G06F3/041
CPC classification number: G06F3/041662 , G06F3/0412 , G06F3/04164 , G06F3/04184
Abstract: An electronic device according to an embodiment comprises: a display; a display-driving integrated circuit (IC) set to apply one or more driving signals to the display; a touch sensor including a plurality of electrodes; and a touch sensor IC configured to check an input position on the touch sensor, wherein the touch sensor IC is configured to: acquire, from the display-driving IC, a first vertical synchronization signal from among the one or more driving signals, provide a plurality of first measurement signals corresponding to a first phase at intervals of a first duration to at least a first portion of electrodes among the plurality of electrodes based on the acquisition of the first vertical synchronization signal, and, after providing the plurality of first measurement signals, provide a plurality of second measurement signals corresponding to a second phase, different from the first phase, at intervals of the first duration to at least a second portion of electrodes among the plurality of electrodes, wherein at least a portion of the application period of the plurality of first driving signals and the plurality of second driving signals can overlap with at least a portion of the application period of the one or more driving signals.
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公开(公告)号:US20240118757A1
公开(公告)日:2024-04-11
申请号:US17623700
申请日:2021-12-22
Inventor: Shijuan YI , Liang SUN
IPC: G06F3/041 , G06F3/044 , H01L25/075 , H01L25/16 , H01L33/62
CPC classification number: G06F3/0412 , G06F3/04164 , G06F3/04184 , G06F3/0446 , H01L25/0753 , H01L25/167 , H01L33/62
Abstract: A micro light emitting diode touch display panel is provided with a pixel driving circuit, a power supply voltage signal line electrically connecting the pixel driving circuit, a first contact electrode electrically connecting the power supply voltage signal line, and a micro light emitting unit bonded to connect the first contact electrode. In a touch driving phase, the first contact electrode is re-used as a touch electrode, and the power supply voltage signal line is re-used as a touch signal line, thereby reducing the production costs, and promoting the production capacity as well as ensuring the touch control and display effects.
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