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公开(公告)号：US10474288B2
公开(公告)日：2019-11-12
申请号：US15979488
申请日：2018-05-15
Applicant: NOVATEK Microelectronics Corp.
Inventor： Chih-Chang Lai , Kuan-Yi Yang , Jer-Hao Hsu
Abstract: A touch control method for sensing one or more touch signals from a touch device having a plurality of sensing areas, each of the sensing areas having a plurality of touch units, the touch control method includes determining a sensitivity of the touch device; and sensing the one or more the touch signals from the touch device, wherein one or more of the plurality of touch units located in the same sensing area are grouped so as to achieve the sensitivity, and for a first sensitivity of the touch device, a first number of touch units are grouped in the same sensing area, and for a second sensitivity of the touch device, a second number of touch units are grouped in the same sensing area, and the second sensitivity is greater than the first sensitivity and the second number is greater than the first number.
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公开(公告)号：US10331257B2
公开(公告)日：2019-06-25
申请号：US14740277
申请日：2015-06-16
Applicant: Novatek Microelectronics Corp.
Inventor： Chih-Chang Lai , Ching-Yang Pai
Abstract: A touch panel and a method for arranging electrodes of the touch panel are provided. The touch panel includes a plurality of touch sections. Each of the touch sections includes a first transmitter electrode, a first receiver electrode, a second transmitter electrode, a second receiver electrode, and a third receiver electrode. The first transmitter electrode has a first side and a second side opposite to the first side. The first receiver electrode adjoins the first side. The second transmitter electrode has a third side and a fourth side opposite to the third side. The second receiver electrode adjoins the second side and the third side. The third receiver electrode adjoins the fourth side.
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公开(公告)号：US09996187B2
公开(公告)日：2018-06-12
申请号：US14970559
申请日：2015-12-16
Applicant: NOVATEK Microelectronics Corp.
Inventor： Chih-Chang Lai , Kuan-Yi Yang , Jer-Hao Hsu
CPC classification number: G06F3/0416 , G06F3/044
Abstract: A touch control module for sensing one or more touch signals from a touch device having a plurality of sensing areas, wherein each of the sensing areas having a plurality of touch units, includes a plurality of first switches; a plurality of second switches; a plurality of first sensing units, each of the first sensing unit being coupled to one of the touch units through one of the first switches; and a plurality of second sensing units, each of the second sensing units being coupled to the plurality of touch units located in the same sensing area through the plurality of second switches.
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公开(公告)号：US20240248564A1
公开(公告)日：2024-07-25
申请号：US18628785
申请日：2024-04-07
Applicant: Novatek Microelectronics Corp.
Inventor： Yi-Ying Lin , Chih-Chang Lai
IPC: G06F3/041
CPC classification number: G06F3/04166
Abstract: An electronic apparatus including a touch display panel and a driver circuit is provided. The touch display panel includes a plurality of first electrodes and at least one second electrode. The plurality of first electrodes are arranged in an active area of the touch display panel, and the at least one second electrode is arranged in a border area of the touch display panel. The driver circuit is coupled to the touch display panel. The driver circuit is configured to drive the plurality of first electrodes to perform a touch sensing operation in a first period. The driver circuit is configured to drive the plurality of first electrodes and the at least one second electrode to perform a gesture sensing operation in a second period.
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公开(公告)号：US11635832B2
公开(公告)日：2023-04-25
申请号：US15826701
申请日：2017-11-30
Applicant: NOVATEK Microelectronics Corp.
Inventor： Yi-Ying Lin , Chih-Chang Lai
IPC: G06F3/041 , G09G3/3225 , G06F3/044 , H01L27/32
Abstract: The disclosure provides a method of driving a touch panel. The touch panel includes a plurality of touch sensing electrodes and a plurality of display pixels. Each of the plurality of display pixels includes a light emission element and a driving transistor. Each of the touch sensing electrodes is coupled to the light emission element of at least one of the plurality of display pixels. The method includes transmitting a first driving signal to at least one of the touch sensing electrodes served as an electrode of the corresponding light emission element during a touch sensing period, wherein the touch sensing electrode is coupled to a first power receiving terminal of the corresponding display pixel; and transmitting a first power supply voltage to the first power receiving terminal during a display period.
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Patent Agency Ranking
公开(公告)号：US20220350438A1
公开(公告)日：2022-11-03
申请号：US17732363
申请日：2022-04-28
Applicant: Novatek Microelectronics Corp.
Inventor： Yi-Ying Lin , Chih-Chang Lai
IPC: G06F3/041
Abstract: A touch apparatus includes a touch screen and a touch controller. The touch controller is configured to process touch sensing signals received from the touch screen to generate a touch coordinate with respect to a touch event occurring on the touch screen. The touch screen includes a plurality of first touch sensing electrodes and a plurality of second touch sensing electrodes. The first touch sensing electrodes are disposed in a center area of the touch screen, wherein at least one part of the first touch sensing electrodes are rectangular. The second touch sensing electrodes are disposed in an edge area of the touch screen surrounding the center area, wherein each of the second touch sensing electrodes is corresponding to a central angle and a plurality of central angles corresponding to the plurality of second touch sensing electrodes substantially equal.
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公开(公告)号：US11320920B2
公开(公告)日：2022-05-03
申请号：US16853763
申请日：2020-04-21
Applicant: Novatek Microelectronics Corp.
Inventor： Yu-Ying Tang , Chih-Chang Lai
IPC: G06F3/041 , H01L27/32 , G06F3/044 , G02F1/1333
Abstract: A touch display panel including a substrate, a first touch sensor layer and a display electrode layer is provided. The first touch sensor layer is disposed on the substrate and patternized into a plurality of blocks for serving as a plurality of first touch sensor electrodes. The first touch sensor electrodes are grouped into a plurality of touch sensor units. Each touch sensor unit includes one or more first touch sensor electrodes. At least one first touch sensor electrode of each touch sensor unit serves as a transmitting electrode during a touch sensing period. The display electrode layer is disposed between the substrate and the first touch sensor layer and patternized into a plurality of blocks for serving as a plurality of display electrodes. The display electrodes are grouped into a plurality of display units. Each display unit includes one or more display electrodes. Each display unit is respectively corresponding to a touch sensor unit of the plurality of touch sensor units.
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公开(公告)号：US11262865B2
公开(公告)日：2022-03-01
申请号：US16858765
申请日：2020-04-27
Applicant: NOVATEK Microelectronics Corp.
Inventor： Chih-Chang Lai , Chih-Yuan Chang
Abstract: A sensor system includes a sensing panel, at least one multiplexer and a controller. The sensing panel includes one or more sensing areas. The multiplexer is coupled to the one or more sensing areas through one or more connecting wire groups on the sensing panel, wherein each of the connecting wire groups includes one or more connecting wires. The controller is coupled to the at least one multiplexer via one or more control wires and one or more sensing wires. Each of the at least one multiplexer includes one or more switch groups each coupled between one of the one or more sensing wires and one of the connecting wire groups, and each of the switch groups includes one or more switches respectively controlled by one or more control signals transmitted through the one or more control wires.
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公开(公告)号：US20180341361A1
公开(公告)日：2018-11-29
申请号：US15605999
申请日：2017-05-26
Applicant: NOVATEK MICROELECTRONICS CORP.
Inventor： Yu-Ying Tang , Chih-Chang Lai
IPC: G06F3/041
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044 , G06F2203/04103 , G06F2203/04111
Abstract: A touch display panel includes a first patterned metal layer and a second patterned metal layer. The first patterned metal layer includes a first signal line and one or more first segments. The second patterned metal layer is disposed above the first patterned metal layer and includes a second signal line and one or more second segments, wherein the one or snore second segments are electrically connected to the one or more first segments such that the one or more first segments and the one or more second segments collectively form at least a part of a touch sensing line.
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公开(公告)号：US10055049B2
公开(公告)日：2018-08-21
申请号：US14963257
申请日：2015-12-09
Applicant: NOVATEK Microelectronics Corp.
Inventor： Chih-Chang Lai , Chih-Yuan Chang
CPC classification number: G06F3/0416 , G06F3/044 , G06F3/047 , G06F2203/04103
Abstract: A touch sensor system includes a touch panel having a plurality of touch sensing areas, at least one multiplexer and a touch controller. The touch controller, for controlling touch driving and sensing on the touch panel, includes a plurality of pins connected to the multiplexer via a plurality of touch control wires and touch sensing wires, wherein each of the pins is connected to one of the touch control wires or touch sensing wires. Each of the touch sensing wires transmits driving signals from the touch controller to a corresponding multiplexer to perform driving on one of the touch sensing areas, and transmits sensing signals from the touch sensing area to the touch controller. The touch controller controls the multiplexer to perform touch driving and sensing on the touch sensing areas in a specific order by triggering the touch control wires in an order.
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