Synaptics Corporation

Apple Inc.

Synaptics Incorpoated

Synaptics Incorported

Joseph Kurth Reynolds

Stephen L Morein

Kirk Hargreaves

Adam L Schwartz

Petr Shepelev

Tracy Scott Dattalo

Jeffrey Lukanc

David Ely

Julian Haines

Kasra Khazeni

Damien Berget

Shawn P Day

Shahrooz Shahparnia

Christopher A Ludden

David Hoch

Joel C Jordan

Richard Robert Schediwy

Derek Solven

Greg P Semeraro

Takashi Nose

Hirobumi Furihata

Bob Lee Mackey

Mihai M Bulea

Paul Richard Routley

Robert J Bolender

Tom R Vandermeijden

Tetsuo Tanemura

John Weinerth

Prashant Shamarao

Lin-Hsiang Hsieh

Nickolas Fotopoulos

Phillip Acker

Guozhong Shen

James C Dunphy

Jeffrey Alan Small

Ozan Ersan Erdogan

David A Sobel

Thomas A Mackin

Raymond Alexander Trent, Jr

Yeh-Cheng Tan

Jonathan Losh

Oscar Ayzenberg

Doug Krumpelman

Xi Chu

Katayoun Goudarzi

Raymond Chin

Farzaneh Shahrokhi

Jim Dunphy

Yongqian Tang

David Sabo

Chris Rehn

John Morgan Feland, Iii

Renuka Vidyut Shenoy

Xiaodan Mei

Robert Kin Hung Lee

John Stephen Smith

Marduke Yousefpor

Patrick Smith

Masao Orio

Izhak Baharav

Vivek Pant

Imre Knausz

Douglas M Krumpelman

Matthew A Stevenson

Sanjay Mani

Clyde Washburn

Sagar Rajiv Vaze

Seiki Takahashi

Shengmin Wen

Jason Goodelle

Amit Nayyar

Torbjorn Hovden

Paul J Ausbeck, Jr

Mykola Golovchenko

Umha Mahesh Srinivasan

Shriram Kulkarni

Shwetank Kumar

Qing Xiao

Robin Hodgson

David Hinterberger

Jeff Lukanc

Stepan Starchenko

Narain Kumar Vijayashanker

Drew Harrington

John P Maloney, Jr

Pavan Kumar Ramarapu

Tom Harvey

Sean D Pham

Adam Tucholski

Chih-Hong Fu

Tai-Chien Liu

This disclosure provides methods, devices, and systems for indicating an attentiveness of a user of a head-mounted display (HMD) device. The HMD device may include a camera configured to capture images of the surrounding environment, an electronic display configured to display the images captured by the camera, and one or more sensors configured to track a direction of gaze of the user. In some aspects, the HMD device may output an attention cue based on the images displayed on the electronic display and the user's direction of gaze. The attention cue may indicate an attentiveness of the user to a person or object in the surrounding environment. In some implementations, the attention cue may be output via an attention indicator disposed on an outer surface of the HMD device. In some other implementations, the attention cue may be output via a communication interface that communicates with another HMD device.

Attention cues for head-mounted display (HMD)

A system and method for mitigating interference within a sensing device. The sensing device may be part of an input device that also includes a display device. The display device may include a display panel having a plurality of display electrodes, and a display driver configured to drive the plurality of display electrodes. The sensing device may include a plurality of sensor electrodes disposed over the display panel, and a sensor driver communicatively coupled to the plurality of sensor electrodes and the display driver. The sensor driver may be configured to acquire sensor data from the plurality of sensor electrodes, receive a display signal from the display driver, and reduce interference within the sensor data at least partially based on the display signal.

System and method for reducing display interference

A capacitive sensing array includes a first transmitter electrode, a plurality of first receiver electrodes, a second transmitter electrode, and a plurality of second receiver electrodes disposed in a first row of the array. The first transmitter electrode is disposed in a first column of the array and is coupled to a first transmitter channel. The first receiver electrodes are disposed in a second column of the array, adjacent the first transmitter electrode, and are coupled to a respective one of a plurality of first receiver channels. The second transmitter electrode is disposed in a third column of the array and is coupled to a second transmitter channel. The second receiver electrodes are disposed in a fourth column of the array, adjacent the second transmitter electrode, and are coupled to a respective one of the first receiver channels.

Single-layer capacitive image sensor

This disclosure generally provides an input device that includes multiple sensor and display electrodes and a processing system. The processing system includes a plurality of local receivers coupled to respective ones of the sensor electrodes, where the local receivers are configured to acquire first resulting signals from the sensor electrodes. The processing system also includes a central receiver coupled to the sensor electrodes and configured to acquire second resulting signals from each of the sensor electrodes.

Central receiver for performing capacitive sensing

A semiconductor device for an input device comprises sensor circuitry, a plurality of contacts and a sensor bus. A first contact of the plurality of contacts is configured to be coupled to a first sensor electrode of the plurality of sensor electrodes, a second contact of the plurality of contacts is configured to be coupled to a second sensor electrode of the plurality of sensor electrodes, and a third contact of the plurality of contacts is configured to be coupled to a third sensor electrode of the plurality of sensor electrodes. The sensor bus comprises a plurality of traces. A first trace of the plurality of traces is configured to couple the first contact and the second contact to a first transmitter of the sensor circuitry and a second trace of the plurality of traces is coupled to the third contact to a first receiver of the sensor circuitry.

Semiconductor device having a communication bus

A system and method for encoding, transmitting and updating a display based on demura calibration information for a display device comprises generating demura correction coefficients based on display color information, separating coherent components from the demura correction coefficients to generate residual information, and encode the residual information using a first encoding technique. Further, the image data may be divided into data streams, compressed and transmitted to from a host device to a display driver of a display device. The display driver decompresses and drives subpixels of the pixels in based on the decompressed data. The display driver updates the subpixels of a display using corrected greyscale values for each subpixel are determined from the decompressed data.

Encoding demura calibration information

Touch sensor panels (or touch screens) can improve signal-to-noise ratio (SNR) using touch electrode patterns for differential drive and/or differential sense techniques. In some examples, a touch sensor panel can include a two-dimensional array of touch nodes formed from a plurality of touch electrodes. Each column (or row) of touch nodes can be driven with a plurality of drive signals. For example, a first column (or row) of touch nodes can be driven by a first drive signal applied to one or more first touch nodes in the first column (or row) and a second drive signal applied to a one or more second touch nodes of the first column (or row). In some examples, the first drive signal and the second drive signal can be complimentary drive signals. In some examples, each row (or column) of touch electrodes can be sensed by differential sense circuitry.

Differential drive and sense for touch sensor panel

Embodiments described herein include an input device and associated processing system for sensing force applied by input objects. The input device comprises a display device comprising a plurality of layers formed as a display stack, the display stack including a top surface. The input device further comprises one or more strain gauges disposed within the display stack and configured to detect force applied to the top surface, and a processing system configured to perform display updating using the display device and to perform force sensing using the one or more strain gauges.

Force sensing within display stack

An input device comprises a plurality of sensor electrodes and a processing system coupled to the plurality of sensor electrodes. The processing system comprises a sensor driver. The sensor driver comprises clock synchronization circuitry, a blocking pulse generator, and a sensor module. The clock synchronization circuitry is configured to receive an external clock signal, and synchronize an internal clock signal with the external clock signal. The blocking pulse generator is configured to generate a first blocking pulse based on the internal clock signal. The sensor module comprises sensing circuitry and is configured to pause acquisition of a resulting signal from a sensor electrode based on the first blocking pulse.

Display noise filter for a sensing device

A fingerprint sensing device having an image sensing device and configured to detecting fingerprint data of an input object. The image sensing device includes a plurality of lenses, and a plurality of sensing elements. The plurality of sensing elements includes a first sensing element has a field of view associated with a first lens of the plurality of lenses and laterally offset from a center of the first lens, and a second sensing element has a field of view associated with a second lens of the plurality of lens and laterally offset from a center of the second lens. Further, a processing system may be coupled to the image sensing device and operate the image sensing device to acquire fingerprint image to authenticate a user.

Fingerprint sensor having an increased sensing area

A system and method for updating a display of a display device. The display device may include a plurality of subpixels, and a display driver coupled to the plurality of subpixels. The display driver may be configured to compare a first data signal of a first statistically selected subpixel of the plurality of subpixels to a first statistically selected threshold, increase a value of a first counter corresponding to the first statistically selected subpixel in response to the first subpixel data signal exceeding the first statistically selected threshold, adjust the first subpixel data signal in response to the first counter value satisfying a second threshold, and drive the first statistically selected subpixel based at least in part on the adjusted first subpixel data signal.

System and method for display compensation

A system and method for capacitive sensing comprise acquiring first capacitive sensor data and second capacitive sensor data from a plurality of sensor electrodes, and determining positional information from one or more input objects based on the first capacitive sensor data and the second capacitive sensor data. The plurality of sensor electrodes are driven with transcapacitive sensing signals for capacitive sensing during one or more transcapacitive sensing blocks to acquire the first sensor data. Further, the plurality of sensor electrodes are operated for absolute capacitive sensing during one or more absolute capacitive sensing blocks to acquire the second capacitive sensor data.

System and method for generating corrected sensor data

A method comprises acquiring measured luminance levels at a measurement point of a display area for a plurality of test images displayed in the display area, and estimating one or more luminance levels at one or more corresponding luminance estimation points of the display area using the measured luminance levels. The method further comprises determining, based on the one or more estimated luminance levels, a correction parameter using the estimated one or more luminance levels.

Device and method for display module calibration

A system and method for input sensing comprises a display device having at least one piezoresistive sensing transistor. During a first period, a first resulting signal is received with a first data line by driving a first piezoresistive sensing transistor of a first subpixel of the display device with a first select signal. The first resulting signal corresponds to a change in resistance of the first piezoresistive sensing transistor. Further, at least one of force information and positional information associated with an input object may be determined at least partially based on the change in resistance.

Piezoresistive sensing input device

Growing community of inventors

Alviso, CA, United States of America

Joseph Kurth Reynolds