INPUT DEVICE WITH NEAR-FIELD COMMUNICATION
Granted: September 7, 2023
Application Number:
20230280860
An input device a touchpad, an near field communication (NFC) controller, and an antenna electrically interfaced with the NFC controller. The antenna includes an antenna rod. The antenna rod is straight and disposed outside a perimeter of the touchpad.
QUADRATURE CLOCK GENERATOR WITH DUTY CYCLE CORRECTOR
Granted: August 3, 2023
Application Number:
20230244266
Quadrature clock generation circuits and techniques are disclosed. An example quadrature clock generator includes an in-phase (I) clock generation circuit to generate an I clock signal based on a reference clock signal, the I clock signal and the reference clock signal each having a first frequency, a quadrature phase (Q) clock generation circuit to generate a Q clock signal based on the reference clock signal, a rise time control signal, and a fall time control signal, the Q clock…
SYSTEM AND METHOD FOR REDUCING ELECTROMAGNETIC INTERFERENCE IN A DISPLAY PANEL
Granted: July 13, 2023
Application Number:
20230222958
A display system includes a first memory and a display driver. The display system is configured to control the first memory to receive compensation information from the first memory with a first frequency and generate data signals for image data to be displayed on a display panel. The generation of the data signals comprises performing a compensation for the data signals based on the compensation information received from the first memory. The display driver is further configured to…
FINGERPRINT SENSOR HOUSING WITH NON-UNIFORM THICKNESS
Granted: June 29, 2023
Application Number:
20230206683
A sensor assembly includes a cover layer and a first sensor apparatus. The cover layer is molded from a first material to have a planar surface and non-uniform thickness, where a thickness of the first material at a first region of the cover layer is less than a thickness of the first material surrounding the first region. The first sensor apparatus is disposed beneath the planar surface of the cover layer, within the first region. The first sensor apparatus is configured to transmit and…
ATTENTION CUES FOR HEAD-MOUNTED DISPLAY (HMD)
Granted: June 22, 2023
Application Number:
20230195226
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…
LOW LATENCY INPUT OBJECT DETECTION UNDER LOW GROUND MASS CONDITION
Granted: June 8, 2023
Application Number:
20230176679
A processing system configured to detect an input object proximate the processing system. The processing system includes sensor circuitry configured to make a determination, when the processing system is in a low ground mass (LGM) state, that a large object is proximate to sensor electrodes of the processing system. The sensor circuitry is further configured, in response to a determination that a large object is proximate the sensor electrodes while the processing system is in the LGM…
SYSTEM AND METHOD FOR TOUCH-TO-DISPLAY NOISE MITIGATION
Granted: May 18, 2023
Application Number:
20230152925
Driving a display of an input-display device includes generating, during a first display frame, a first touch sensing waveform to be applied to a touch screen of the display, and generating, during a second display frame, a second touch sensing waveform to be applied to the touch screen. The first touch sensing waveform generates on the display a first touch-to-display noise pattern of touch-to-display noise artifacts. The second touch sensing waveform generates on the display a second…
DEVICE AND METHOD FOR DRIVING A DISPLAY PANEL
Granted: May 11, 2023
Application Number:
20230142900
A display driver includes image processing circuitry and drive circuitry. The image processing circuitry is configured to determine a total current of a display panel and perform an IR-drop compensation using the total current and a first graylevel for a first subpixel of the display panel to determine a first voltage level for the first subpixel. The drive circuitry is configured to update the first subpixel based at least in part on the first voltage level.
DEVICE AND METHOD FOR DRIVING A DISPLAY PANEL
Granted: May 11, 2023
Application Number:
20230142900
A display driver includes image processing circuitry and drive circuitry. The image processing circuitry is configured to determine a total current of a display panel and perform an IR-drop compensation using the total current and a first graylevel for a first subpixel of the display panel to determine a first voltage level for the first subpixel. The drive circuitry is configured to update the first subpixel based at least in part on the first voltage level.
EDGE ILLUMINATION ARCHITECTURE FOR DISPLAY DEVICE
Granted: April 20, 2023
Application Number:
20230124739
A display driver includes first interface circuitry, a graphic memory, image processing circuitry, and drive circuitry. The first interface circuitry is configured to receive an edge illumination command from a controller external to the display driver. The graphic memory is configured to store image data. The image processing circuitry is configured to render an edge-illuminated image by overlaying an edge illumination graphic on a first image corresponding to the image data in response…
DEMURA PROCESSING FOR A DISPLAY PANEL HAVING MULTIPLE REGIONS WITH DIFFERENT PIXEL DENSITIES
Granted: April 20, 2023
Application Number:
20230120671
A method includes generating first demura data comprising first correction amounts for pixels in a first region of a display panel. The first region has a first pixel density. The method further includes generating second demura data comprising second correction amounts for pixels in a second region of the display panel. The second region has a second pixel density different from the first pixel density. The method further includes generating modified second demura data by modifying the…
DEVICE AND METHOD FOR DISPLAY BRIGHTNESS CONTROL
Granted: April 20, 2023
Application Number:
20230118354
A display driver includes image processing circuitry and drive circuitry. The image processing circuitry is configured to generate first voltage data for a first pixel in a first screen area of a display panel using a first gamma parameter. The image processing circuitry is further configured to generate second voltage data for a second pixel in a second screen area of the display panel using a second gamma parameter set. The image processing circuitry is further configured to determine…
SYSTEM AND METHOD FOR VARIABLE AREA-BASED COMPENSATION OF BURN-IN IN DISPLAY PANELS
Granted: March 30, 2023
Application Number:
20230102440
A display driver that includes image processing circuitry and a source driver. The image processing circuitry is configured to perform a burn-in compensation to determine a first compensated luminance value for a first pixel in a first area of a display panel based at least in part on a first accumulated luminance value for the first pixel. The first area has a first pixel layout. The image processing circuitry is further configured to scale a second accumulated luminance value for a…
SUBPIXEL RENDERING FOR DISPLAY PANELS INCLUDING MULTIPLE DISPLAY REGIONS WITH DIFFERENT PIXEL LAYOUTS
Granted: March 30, 2023
Application Number:
20230100358
A display driver includes an image processing circuit and a driver circuit. The image processing circuit is configured to: receive input image data corresponding to an input image; generate first subpixel rendered data from a first part of the input image data for a first display region of a display panel using a first setting; and generate second subpixel rendered data from a second part of the input image data for a second display region of the display panel using a second setting…
INPUT DEVICE WITH NEAR-FIELD COMMUNICATION
Granted: March 23, 2023
Application Number:
20230093441
An input device includes a touchpad and a mounting bracket made of an electrically conductive material and configured to anchor the touchpad in an electronic system. The input device further includes a near field communication (NFC) controller, and an antenna electrically interfaced with the NFC controller. The antenna includes an electrically conductive strip formed by a segment of the mounting bracket.
SYSTEM AND METHOD FOR REDUCING ELECTROMAGNETIC INTERFERENCE IN A DISPLAY PANEL
Granted: March 9, 2023
Application Number:
20230073842
A display system includes a first memory and a display driver. The display system is configured to control the first memory to receive compensation information from the first memory with a first slew rate and generate data signals for image data to be displayed on a display panel. The generation of the data signals comprises performing a compensation for the data signals based on the compensation information received from the first memory. The display driver is further configured to…
WORD BASED CHANNELS LAST ORDERING IN MEMORY
Granted: March 9, 2023
Application Number:
20230070730
A memory device includes a first word and a second word. The first word has a first subset of a plurality of elements. The first subset of the plurality of elements each have a first set of sequential index values along a first dimension of a tensor, a first single index value for a second dimension of the tensor, and a second single index value for a third dimension of the tensor. The second word has a second subset of the plurality of elements. The second subset of the plurality of…
DEVICE AND METHOD FOR FOVEATED RENDERING
Granted: February 9, 2023
Application Number:
20230038469
A display driver includes image processing circuitry and drive circuitry. The image processing circuitry is configured to receive a foveal image, a full frame image, and coordinate data that specifies a position of the foveal image in the full frame image. The image processing circuitry is further configured to render a resulting image based on the full frame image independently of the foveal image in response to detection of a data error within the coordinate data. The drive circuitry…
DEVICE AND METHOD FOR FOVEATED RENDERING
Granted: February 9, 2023
Application Number:
20230038469
A display driver includes image processing circuitry and drive circuitry. The image processing circuitry is configured to receive a foveal image, a full frame image, and coordinate data that specifies a position of the foveal image in the full frame image. The image processing circuitry is further configured to render a resulting image based on the full frame image independently of the foveal image in response to detection of a data error within the coordinate data. The drive circuitry…
USING ELECTRICAL RESISTANCE TO ESTIMATE FORCE ON AN ELECTRODE DURING TEMPERATURE CHANGES
Granted: February 9, 2023
Application Number:
20230045039
A processing system includes sensor circuitry and processing circuitry. The sensor circuitry is configured to, using the sensor electrodes, obtain capacitive measurements of a sensing region, and obtain a resistance measurement of the sensing region. The processing circuitry is coupled to the sensor circuitry. The processing circuitry is configured to determine a location of an input object using the capacitive measurements of the sensing region and determine a force value based on the…
