公开(公告)号：US20230100129A1

公开(公告)日：2023-03-30

申请号：US17933783

申请日：2022-09-20

Applicant: Apple Inc.

Inventor： Sagar R. VAZE ,  Marduke YOUSEFPOR ,  Amit NAYYAR

IPC: G06F3/041 ,  G06F3/044

Abstract: Differential driving and/or sensing can reduce noise in a touch screen. In some examples, the touch screen can include column and row electrodes routed vertically in the active area. In some examples, the touch electrodes and/or routing traces can be implemented using metal mesh in first and second metal layers. To improve optical performance, overlapping portions of metal mesh can be designed to provide an appearance of uniform width/area. In some examples, a dielectric layer can have an increased thickness and/or a reduced dielectric constant, and/or metal mesh in the first metal layer can be flooded with a transparent conductive material. In some examples, routing traces can be disposed beneath touch electrodes and/or metal mesh for touch electrodes can be flooded with a transparent conductive material without flooding metal mesh for routing traces. In some examples, touch electrodes can be interleaved within a touch node to improve differential cancelation.

公开(公告)号：US20190138152A1

公开(公告)日：2019-05-09

申请号：US16201730

申请日：2018-11-27

Applicant: Apple Inc.

Inventor： Marduke YOUSEFPOR ,  Shahrooz SHAHPARNIA

IPC: G06F3/041 ,  G06F3/044

Abstract: A touch panel electrode structure for user grounding correction in a touch panel is disclosed. The electrode structure can include an array of electrodes for sensing a touch at the panel, and multiple jumpers for selectively coupling groups of the electrodes together to form electrode rows and columns that cross each other. In some examples, the array can have a linear configuration and can form the rows and columns by coupling diagonally adjacent electrodes using the jumpers in a zigzag pattern, or the array can have a diamond configuration and can form the rows and columns by coupling linearly adjacent electrodes using the jumpers in a linear pattern. In various examples, each electrode can have a solid structure with a square shape, a reduced area with an outer electrode and a physically separate center electrode, a hollow center, or a solid structure with a hexagonal shape.

公开(公告)号：US20180032211A1

公开(公告)日：2018-02-01

申请号：US15663588

申请日：2017-07-28

Applicant: Apple Inc.

Inventor： Brian Michael KING ,  Mohammad YEKE YAZDANDOOST ,  Ehsan KHAJEH ,  Aaron Scott TUCKER ,  Giovanni GOZZINI ,  Marcus YIP ,  Marduke YOUSEFPOR ,  Digvijay JADHAV ,  Indranil SEN ,  Mohit NARANG ,  Yi JIANG ,  Vahid MAJIDZADEH BAFAR ,  Mansour KERAMAT ,  Hao XU

IPC: G06F3/043 ,  H01Q1/00 ,  H01Q1/52 ,  H01Q7/00

CPC classification number: G06F3/0436 ,  G06F1/1694 ,  G06F1/1698 ,  G06F1/3231 ,  G06F1/325 ,  G06F1/3262 ,  G06F3/0418 ,  G06F3/0433 ,  G06F2200/1637 ,  G06F2203/04104 ,  G06F2203/04106 ,  H01Q1/002 ,  H01Q1/52 ,  H01Q7/005 ,  Y02D10/173

Abstract: Acoustic touch detection (touch sensing) system architectures and methods can be used to detect an object touching a surface. Position of an object touching a surface can be determined using time-of-flight (TOF) bounding box techniques, or acoustic image reconstruction techniques, for example. Acoustic touch sensing can utilize transducers, such as piezoelectric transducers, to transmit ultrasonic waves along a surface and/or through the thickness of an electronic device. Location of the object can be determined, for example, based on the amount of time elapsing between the transmission of the wave and the detection of the reflected wave. An object in contact with the surface can interact with the transmitted wave causing attenuation, redirection and/or reflection of at least a portion of the transmitted wave. Portions of the transmitted wave energy after interaction with the object can be measured to determine the touch location of the object on the surface of the device.

公开(公告)号：US20170090644A1

公开(公告)日：2017-03-30

申请号：US15039400

申请日：2014-09-30

Applicant: APPLE INC.

Inventor： Weijun YAO ,  Wei Hsin YAO ,  Yingxuan LI ,  Bingrui YANG ,  Marduke YOUSEFPOR ,  Abbas JAMSHIDI-ROUDBARI ,  Ahmad AL-DAHLE

IPC: G06F3/041 ,  H01L27/32 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/044 ,  H01L27/323 ,  H01L27/3248 ,  H01L27/3265

Abstract: A self-capacitive touch sensor panel configured to have a portion of both the touch and display functionality integrated into a common layer is provided. The touch sensor panel includes a layer with circuit elements that can switchably operate as both touch circuitry and display circuitry such that during a touch mode of the device the circuit elements operate as touch circuitry and during a display mode of the device the circuit elements operate as display circuitry. The touch mode and display mode can be time multiplexed. By integrating the touch hardware and display hardware into common layers, savings in power, weight and thickness of the device can be realized.

公开(公告)号：US20160154525A1

公开(公告)日：2016-06-02

申请号：US15019913

申请日：2016-02-09

Applicant: Apple Inc.

Inventor： Steven Porter HOTELLING ,  Marduke YOUSEFPOR

IPC: G06F3/041 ,  G06F3/047 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/044 ,  G06F3/047 ,  G06F2203/04112 ,  H03K17/9622

Abstract: Capacitive touch panels may include a plurality of positive voltage lines that are driven at a first phase. These positive voltage lines may be used to provide the drive capacitance signal sensed by one or more sense regions. The touch panels may also include a plurality of negative phase voltage lines that are driven at a phase that is different than the first phase. Both the positive and negative voltage lines may cross-under one or more sense regions. The negative phase voltage lines are able to counter act and reduce the static capacitance in the sense regions.

公开(公告)号：US20150049044A1

公开(公告)日：2015-02-19

申请号：US14082074

申请日：2013-11-15

Applicant: Apple Inc.

Inventor： Marduke YOUSEFPOR ,  Shahrooz Shahparnia

IPC: G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04101 ,  G06F2203/04107 ,  G06F2203/04111

Abstract: A touch panel electrode structure for user grounding correction in a touch panel is discloses. The electrode structure can include an array of electrodes for sensing a touch at the panel, and multiple jumpers for selectively coupling groups of the electrodes together to form electrode rows and columns that cross each other. In some examples, the array can have a linear configuration and can form the rows and columns by coupling diagonally adjacent electrodes using the jumpers in a zigzag pattern, or the array can have a diamond configuration and can form the rows and columns by coupling linearly adjacent electrodes using the jumpers in a linear pattern. In various examples, each electrode can have a solid structure with a square shape, a reduced area with an outer electrode and a physically separate center electrode, a hollow center, or a solid structure with a hexagonal shape.

Abstract translation: 公开了一种用于触摸面板中的用户接地校正的触摸面板电极结构。 电极结构可以包括用于感测面板上的触摸的电极阵列，以及用于选择性地将电极组合在一起以形成彼此交叉的电极行和列的多个跳线。 在一些示例中，阵列可以具有线性配置并且可以通过以锯齿形图案使用跳线耦合对角线相邻的电极来形成行和列，或者阵列可以具有金刚石构造，并且可以通过将线性相邻 使用线性图案的跳线的电极。 在各种实施例中，每个电极可以具有方形形状的实心结构，具有外部电极的减小的面积和物理上分离的中心电极，中空中心或具有六边形形状的固体结构。

公开(公告)号：US20150049043A1

公开(公告)日：2015-02-19

申请号：US14082003

申请日：2013-11-15

Applicant: APPLE INC.

Inventor： Marduke YOUSEFPOR

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0416 ,  G06F3/0418 ,  G06F2203/04111

Abstract: A touch panel capable of measuring both mutual and self capacitance is disclosed. The touch panel can measure self capacitance and mutual capacitance at various electrode patterns and, based on the self capacitance measurements, the mutual capacitance measurements, or both, calculate a touch signal indicative of an object touching or hovering over the touch panel. In some examples, the measurements can also be used to determine a correction factor, indicative of an adverse condition at the touch panel, and the correction factor used to correct the touch signal for the adverse condition. The touch panel can have a row-column electrode pattern or a pixelated electrode pattern.

Abstract translation: 公开了能够测量相互和自身电容的触摸面板。 触摸面板可以测量各种电极图案的自电容和互电容，并且基于自身电容测量，互电容测量或两者都计算指示物体触摸或悬停在触摸面板上的触摸信号。 在一些示例中，测量还可以用于确定指示触摸面板的不利条件的校正因子，以及用于校正不利条件的触摸信号的校正因子。 触摸面板可以具有行列电极图案或像素化电极图案。

公开(公告)号：US20230325030A1

公开(公告)日：2023-10-12

申请号：US18335934

申请日：2023-06-15

Applicant: Apple Inc.

Inventor： Shahrooz SHAHPARNIA ,  Marduke YOUSEFPOR

IPC: G06F3/041 ,  G06F3/044 ,  G06F3/0354

CPC classification number: G06F3/041661 ,  G06F3/04162 ,  G06F3/0441 ,  G06F3/0442 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/041 ,  G06F3/03545 ,  G06F3/0443 ,  G09G3/3648

Abstract: A touch controller that can configure touch circuitry according to a scan plan, which can define a sequence of scan events to be performed on a touch panel is disclosed. The touch controller can include a configurable transmit section to generate stimulation signals to drive the panel, a configurable receive section to receive and process touch signals from the panel, and a configurable memory to store the touch signals. The touch controller can also include a programmable scan engine to configure the transmit section, the receive section, and the memory according to the scan plan. The touch controller advantageously provides more robust and flexible touch circuitry to handle various types of touch events at the panel. An active stylus that can generate stimulation signals that can be detected by the touch controller during various touch events at the panel is also disclosed.

公开(公告)号：US20160195991A1

公开(公告)日：2016-07-07

申请号：US15011328

申请日：2016-01-29

Applicant: Apple Inc.

Inventor： Marduke YOUSEFPOR ,  Kevin J. WHITE

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/0418 ,  G06F3/044

Abstract: Operating touch screens by applying more than one voltage modes, including a first voltage mode corresponding to a display phase and a second voltage mode corresponding to a touch sensing phase, is provided. An integrated touch screen device can include a multi-mode power system that can select a first voltage mode corresponding a display phase and a second voltage mode corresponding to a touch sensing phase. Each of one or more voltages can be applied to the touch screen at the corresponding first voltage level during the updating of the image. A touch sensing system can sense touch during a touch sensing phase. Each of one or more voltages can be applied to the touch screen at the corresponding second voltage level during the sensing of touch.

公开(公告)号：US20160162101A1

公开(公告)日：2016-06-09

申请号：US14869980

申请日：2015-09-29

Applicant: Apple Inc.

Inventor： Vivek PANT ,  Shahrooz SHAHPARNIA ,  Marduke YOUSEFPOR ,  Christoph H. KRAH

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/044 ,  G06F1/3215 ,  G06F1/3262 ,  G06F3/0416 ,  G06F2203/04101

Abstract: Power consumption of touch sensing operations for touch sensitive devices can be reduced by implementing a coarse scan (e.g., banked common mode scan) to coarsely detect the presence or absence of an object touching or proximate to a touch sensor panel and the results of the coarse scan can be used to dynamically adjust the operation of the touch sensitive device to perform or not perform a fine scan (e.g., targeted active mode scan). In some examples, the results of the coarse scan can be used to program a touch controller for the next touch sensing frame to idle when no touch event is detected or to perform a fine scan when one or more touch events are detected. In some examples, the results of the coarse scan can be used to abort a scheduled fine scan during the current touch sensing frame when no touch event is detected.

Abstract translation: 可以通过实施粗略扫描（例如，共享共模扫描）来粗略地检测触摸或接近触摸传感器面板的物体的存在或不存在，并且粗略地检测触摸感测装置的触摸感测操作的结果 扫描可用于动态调整触敏设备的操作以执行或不执行精细扫描（例如，目标主动模式扫描）。 在一些示例中，当没有检测到触摸事件时，可以使用粗略扫描的结果来编程用于下一触摸感测帧的触摸控制器空闲，或者当检测到一个或多个触摸事件时执行精细扫描。 在一些示例中，当没有检测到触摸事件时，粗略扫描的结果可以用于在当前触摸感测帧期间中止预定的精细扫描。