Patents Examined by Hong Zhou
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Patent number: 11543915Abstract: A touch detection method includes: scanning a reference scan region according to a first control protocol to collect initial touch signals including an initial trigger signal; determining position information of a starting point according to the initial touch signals; reporting the position information of the starting point; switching the first control protocol to a second control protocol; and performing following operations at least once: determining a current target scan region, scanning the current target scan region according to the second control protocol to collect current touch signals including a current trigger signal, determining position information of a touch point according to the current touch signals, and reporting the position information of the touch point. An area of the current target scan region is less than an area of the reference scan region.Type: GrantFiled: May 19, 2021Date of Patent: January 3, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Zhaohui Meng, Wei Sun, Lin Cong
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Patent number: 11520436Abstract: A correction unit for use in a sensor system, the sensor system comprising a force sensor configured to output a sensor signal indicative of a temporary mechanical distortion of a material under an applied force, the correction unit configured, based on the sensor signal, to: estimate an effect of the applied force on how the material will return towards an undistorted form upon a substantial reduction or removal of the applied force; and generate a corrected signal based on the estimation.Type: GrantFiled: November 13, 2020Date of Patent: December 6, 2022Assignee: Cirrus Logic, Inc.Inventors: Josh Sanz-Robinson, Siddharth Maru, Tejasvi Das
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Patent number: 11520151Abstract: An optical device includes variable optical material that alters at least one of: incident ambient light, spectral content of incident ambient light or direction of incident ambient light through the optical device in response to a stimulus provided by the device. The device can sense intensity and/or spectral characteristics of ambient light and provide appropriate stimulus to various portions of the optical device to activate the variable optical material and alter at least one of: incident ambient light, spectral content of incident ambient light or direction of incident ambient light.Type: GrantFiled: June 14, 2021Date of Patent: December 6, 2022Assignee: Magic Leap, Inc.Inventors: Eric Baerenrodt, Nastasja U. Robaina, Nicole Elizabeth Samec, Christopher M. Harrises, Mark Baerenrodt
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Patent number: 11513639Abstract: An input detection system includes a plurality of drive electrodes and a plurality of detection electrodes aligned in a detection region, an input device including an LC circuit, a first electrode coupled to one end side of the LC circuit, and a second electrode coupled to another end side of the LC circuit, the input support device being disposed on the detection region, and a control circuit configured to detect the input support device based on detection signals that are output from the detection electrodes.Type: GrantFiled: January 13, 2022Date of Patent: November 29, 2022Assignee: Japan Display Inc.Inventors: Takaaki Kono, Yuto Kakinoki, Makoto Hayashi
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Patent number: 11507230Abstract: Disclosed herein are a hybrid sensor and a method of operating the same. The hybrid sensor includes: a first sensing element located on the outer side of the hybrid sensor; a second sensing element disposed to face the first sensing element; a deformable intermediate part disposed between the first sensing element and the second sensing element; a first resonant circuit electrically connected to the second sensing element; a second resonant circuit; and a detection circuit configured to receive a first electrical signal formed in the first resonant circuit and the second sensing element, and a second electrical signal formed in the second resonant circuit. The detection circuit generates sensing information. It is determined whether the sensing information is caused based on the displacement of the first sensing element attributable to a user motion.Type: GrantFiled: December 31, 2021Date of Patent: November 22, 2022Assignee: DAMOATECH CO., LTD.Inventor: Hu Min Jung
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Patent number: 11507212Abstract: A display device includes a switching element that switches, based on data held by a memory circuit, between a state in which a pixel electrode and a first wiring line are connected to each other and a state in which the pixel electrode and a second wiring line are connected to each other, a power source circuit for white color that supplies a first signal having the opposite phase to a phase of a drive signal, to the first wiring line provided at a pixel in which a Tx electrode is disposed, and a power source circuit for black color that supplies, to the second wiring line, a second signal having the same phase as the phase of the drive signal.Type: GrantFiled: April 4, 2022Date of Patent: November 22, 2022Assignee: Sharp Display Technology CorporationInventors: Kazutoshi Kida, Yasuhiro Sugita
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Patent number: 11487357Abstract: In one embodiment, a computing system may determine a first region and a second region of an image based on gaze data of a user. The second region of the image may be displayed with lower image resolution. The system may access a first pixel value associated with the first region of the image and cause a first source driver circuit to generate a first pixel signal. The first pixel signal may be configured to control a luminance of a first number of pixels of the display. The system may access a second pixel value associated with the second region of the image and cause a second source driver circuit to generate a second pixel signal. The second pixel signal may be configured to control a second number of pixels, which is larger than the first number and may include a longer pulse duration than the first pixel signal.Type: GrantFiled: April 1, 2021Date of Patent: November 1, 2022Assignee: Meta Platforms Technologies, LLCInventors: Min Hyuk Choi, Cheonhong Kim, Youngshik Yoon
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Patent number: 11474617Abstract: Aspects of the present disclosure are directed to systems, apparatuses, and methods for the projection of images onto keycaps of a computer keyboard.Type: GrantFiled: June 1, 2017Date of Patent: October 18, 2022Assignee: Key Lights, LLCInventors: Mark Norwalk, Chris Linegar
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Patent number: 11467694Abstract: An input-display device includes a display screen disposed on a display substrate, the display screen including a multitude of display pixels. The input-display device further includes a multitude of capacitive sensing electrodes for capacitive sensing in a sensing region of the display screen. The input-display device also includes a source driver circuit configured to generate a data voltage for driving a pixel circuit associated with one display pixel of the multitude of display pixels and determine a timing for a compensatory modulation of the data voltage. The timing is determined using a sensing waveform of the capacitive sensing. The source driver circuit is also configured to determine an amplitude of the compensatory modulation, generate a modulated data voltage by applying the compensatory modulation to the data voltage, and drive the pixel circuit using the modulated data voltage.Type: GrantFiled: April 28, 2021Date of Patent: October 11, 2022Assignee: Synaptics IncorporatedInventors: Daisuke Ito, Jonathan Losh
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Patent number: 11467676Abstract: Aspects of the present disclosure are directed to systems, apparatuses, and methods for the projection of images onto keycaps of a computer keyboard.Type: GrantFiled: February 8, 2021Date of Patent: October 11, 2022Assignee: Key Ovation, LLCInventors: Mark Norwalk, Chris Linegar
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Patent number: 11460958Abstract: A touch panel, a touch display and a method of manufacturing the touch panel are provided. The touch panel includes a substrate, at least one driving electrode, at least one first sensing electrode, at least one second sensing electrode, and an elastic dielectric material. The at least one first sensing electrode is disposed on the substrate and is electrical insulating from the at least one driving electrode. The at least one second sensing electrode is disposed on the at least one first sensing electrode and overlapped with the at least one first sensing electrode. The elastic dielectric material is disposed between the at least one first sensing electrode and the at least one second sensing electrode.Type: GrantFiled: May 15, 2019Date of Patent: October 4, 2022Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Lei Wang
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Patent number: 11460953Abstract: A processing system is disclosed. The processing system includes an amplifier including a multitude of input resistors receiving a multitude of reduced noise signals from a multitude of charge integrators and a summing resistor at an output of the amplifier. The amplifier is configured to generate a feedback signal at the output of the amplifier by amplifying each of a multitude of reduced noise signals using a gain value and a cardinality of the multitude of reduced noise signals. The multitude of charge integrators is configured to obtain a multitude of resulting signals from a multitude of capacitive sensor electrodes coupled to a noise source and generate the multitude of reduced noise signals by mitigating noise in the multitude of the resulting signals, at the multitude of charge integrators, using the feedback signal. Resistances of the multitude of input resistors, a resistance of the summing resistor, and the gain values are selected to mitigate the noise.Type: GrantFiled: June 7, 2021Date of Patent: October 4, 2022Assignee: Synaptics IncorporatedInventor: Chunbo Liu
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Patent number: 11442546Abstract: A touchscreen includes conductive islands that are capacitively coupled to conductive traces, where they may be used to provide capacitive sensing of the position of one or more fingers in contact with a touchscreen and/or to exert haptic forces on one or more fingers in contact with a touchscreen.Type: GrantFiled: July 9, 2020Date of Patent: September 13, 2022Assignee: Northwestern UniversityInventors: James E. Colgate, Michael A. Peshkin
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Patent number: 11435854Abstract: A touch display device is provided and includes a substrate, light emitting layer, encapsulation layer, a touch layer, and a touch driver inspection circuit. The touch layer includes a plurality of touch electrode units. The touch driver inspection circuit is connected to each of the touch electrode units the touch layer and is configured to monitor a touch position according to variation of a capacitance of the touch electrode units. The touch driver inspection circuit is further configured to monitor a pressure of the touch position according to variation of pressures on the touch electrode units.Type: GrantFiled: November 19, 2019Date of Patent: September 6, 2022Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Dan Lin, Qibing Dai, Minlun Liu
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Patent number: 11435844Abstract: An electronic device and its force touch assembly are provided. The force touch assembly includes a first substrate, a second substrate, a first patterned conductive layer, an insulation layer, a second patterned conductive layer, a plurality of variable pressure sensitive materials and a third patterned conductive layer, wherein the first patterned conductive layer, the insulation layer, the second patterned conductive layer, the plurality of variable pressure sensitive materials and the third patterned conductive layer are sequentially stacked from top to bottom between the first substrate and the second substrate.Type: GrantFiled: August 14, 2020Date of Patent: September 6, 2022Assignee: ASUSTEK COMPUTER INC.Inventors: Ching-Fu Hsu, Wei-Ting Wong, Chun-Wei Li, Hung-Yi Lin
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Patent number: 11436993Abstract: A display apparatus with low power consumption is provided. The display apparatus includes an adder circuit and a pixel having a function of adding data, and the adder circuit has a function of adding data supplied from a source driver. The pixel has a function of adding data supplied from the adder circuit. Thus, in the pixel, a voltage several times higher than the output voltage of the source driver can be generated and supplied to a display device. With such a structure, the output voltage of the source driver can be reduced, so that a display apparatus with low power consumption can be achieved.Type: GrantFiled: December 11, 2019Date of Patent: September 6, 2022Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Susumu Kawashima, Naoto Kusumoto
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Patent number: 11430407Abstract: Techniques, devices, and systems disclosed herein include detecting a vertical synchronization (VSYNC) signal cycle, determining a high frequency trigger pulse based on detecting an illumination component's pulse width modulation (PWM) signal, the high frequency trigger pulse corresponding to the illumination component's deactivation times, receiving a delay time period and activating a first sensor, at a first time, within the VSYNC signal cycle, the first time determined based on the high frequency trigger pulse and the delay time period. The first sensor may sense a first sensor reading and may be deactivated after being activated. A display setting may be adjusted based at least on the first sensor reading and the illumination component may be activated after the first sensor is deactivated.Type: GrantFiled: April 28, 2020Date of Patent: August 30, 2022Assignee: Vishay Semiconductor GmbHInventors: Cheng Chieh Huang, Wei Chien Wang, Yu Hao Kao
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Patent number: 11417264Abstract: A scan driver stage including: a first transistor including a gate connected to a first clock, a first electrode connected to a carry terminal, and a second electrode connected to a first node; a second transistor including a gate connected to a second clock, a first electrode connected to a carry terminal, and a second electrode connected to the first node; a third transistor including a gate connected to the first node and a first electrode connected to a second node; a fourth transistor including a gate connected to the second clock, a first electrode connected to power, and a second electrode connected to the second node; a fifth transistor including a gate connected to the first clock, a first electrode connected to power, and a second electrode connected to the second node; and an output outputting first and second scan signals based on first and second node voltages.Type: GrantFiled: May 14, 2021Date of Patent: August 16, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Keun Lim, Jin Young Roh, Se Hyuk Park, Hyo Jin Lee
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Patent number: 11416140Abstract: An example of an apparatus including a touchscreen device to receive input and selectively transmit the input. The apparatus further includes a rendering engine to render output to a region of the touchscreen device. The output corresponds to boundaries of the region of the touchscreen device, wherein the touchscreen device uses the boundaries and a location of the input to determine whether to transmit the input. The apparatus also includes a processor to receive the input transmitted from the touchscreen device.Type: GrantFiled: January 18, 2018Date of Patent: August 16, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Roberto Bender, Melina Fonseca Silva Jaeger, Arthur Ribacki, Joao Carrion
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Patent number: 11402953Abstract: A fingerprint-touch sensing apparatus includes a substrate, a sensing electrode layer, a plurality of electrode switch circuits, a plurality of capacitance-signal switch circuits respectively connected to a plurality of data lines and a capacitance-signal line, and a fingerprint-touch sensing control integrated circuit. The sensing electrode layer includes a plurality of sensing electrodes arranged in multiple columns and multiple rows. The fingerprint-touch sensing control integrated circuit controls the capacitance-signal switch circuits and the electrode switch circuits to select one or more sensing electrodes to conduct sensing, thus providing the flexible function of fingerprint sensing or touch sensing.Type: GrantFiled: December 6, 2021Date of Patent: August 2, 2022Assignee: SUPERC-TOUCH CORPORATIONInventors: Hsiang-Yu Lee, Shang Chin, Ping-Tsun Lin