Patents Examined by Stephen T Reed
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Patent number: 12170055Abstract: A compensation method for a display panel, which first selects a rectangular test area in a display area of the display panel, and then obtains a first average current value flowing through all sensing transistors and a second average current value flowing through all driving transistors in the rectangular test area, and then obtains a first current curve and a second current curve flowing through the driving transistors based on the first average current value and the second average current value under different driving voltages, and then determines a transmission loss coefficient of a data signal data according to the first current curve and the second current curve, and then compensates a driving voltage of each pixel circuit in the rectangular test area based on the transmission loss coefficient.Type: GrantFiled: November 3, 2023Date of Patent: December 17, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Yuchao Zeng
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Patent number: 12165567Abstract: The present disclosure relates to a display device. The display device includes: a first source driver IC configured to receive pixel data to be written into sub-pixels of a first display area and a gamma compensation voltage for each grayscale and output a data voltage to be supplied to data lines of the first display area; a second source driver IC configured to receive pixel data to be written into sub-pixels of a second display area and the gamma compensation voltage for each grayscale and output a data voltage to be supplied to data lines of the second display area; a first programmable gamma IC configured to supply a first gamma reference voltage set to the first and second source driver ICs; and a second programmable gamma IC configured to supply a second gamma reference voltage set to the first and second source driver ICs.Type: GrantFiled: December 8, 2023Date of Patent: December 10, 2024Assignee: LG Display Co., Ltd.Inventors: Dong Kyu Lee, Yong Won Jo
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Patent number: 12164718Abstract: An electronic device including: a display panel having an active area in which a plurality of pixels are disposed and a peripheral area disposed around the active area; a plurality of sensing electrodes disposed in the active area; and a first sensing line connected to one of the plurality of sensing electrodes and including a first portion disposed in the peripheral area, a second portion extending from the first portion and disposed in the active area, and a third portion extending from the second portion and disposed in the peripheral area.Type: GrantFiled: November 22, 2022Date of Patent: December 10, 2024Assignee: Samsung Display Co., Ltd.Inventors: Wonjun Choi, Il-Joo Kim, Deokjung Kim, Wonkyu Kwak, Youngbae Jung
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Patent number: 12161026Abstract: A touchscreen display device includes: a display; a flexible printed circuit; touch sensing electrodes connected to the flexible printed circuit; and a multi-functional ambient light sensor package mounted on the flexible printed circuit. The multi-functional ambient light sensor package includes: an ambient light sensor; transmitter and receiver circuitry connected to the touch sensing electrodes via the flexible printed circuit; and a controller configured to obtain capacitance information from the touch sensing electrodes and ambient light information from the ambient light sensor via a single chip. The multi-functional ambient light sensor package may be packaged as a wafer-level chip-scale package (WLCSP).Type: GrantFiled: December 6, 2023Date of Patent: December 3, 2024Assignee: Synaptics IncorporatedInventors: Albert Y. Lee, Qing Xiao
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Patent number: 12159583Abstract: A display substrate and a display apparatus are provided, and the display substrate includes a pixel circuit with a light emitting module configured to emit light; a driving module configured to drive the light emitting module to emit light based on a driving voltage in a luminescence stage; a storage module configured to maintain and provide the driving voltage to the driving module in the luminescence stage; a first transistor, having a first electrode coupled to a position from which the driving module acquires the driving voltage; a second transistor, having a first electrode coupled to the first electrode of the first transistor, and a second electrode being not directly coupled to a signal source; and a voltage stabilizing capacitor, having a first electrode coupled to the second electrode of the second transistor, and a second electrode coupled to a constant voltage signal source.Type: GrantFiled: January 3, 2024Date of Patent: December 3, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jingwen Zhang, Yunsheng Xiao, Miao Wang, Yuqian Pang
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Patent number: 12147614Abstract: A system and a method for remotely controlling extended reality by a virtual mouse are provided. The system includes a head mounted display and a first remote controller for being worn on a hand. The head mounted display includes an image capture device. The first remote controller communicatively connects to the head mounted display, wherein the head mounted display is configured to: capture an image through the image capture device; detect the image to obtain first data of the hand in the image and second data of a plane in the image; and enable the virtual mouse according to the first data and the second data.Type: GrantFiled: April 10, 2023Date of Patent: November 19, 2024Assignee: HTC CorporationInventors: Chao-Hsiang Lai, Cheng-Han Hsieh, Tzu-Yin Chang
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Patent number: 12142198Abstract: A display device includes a plurality of pixels and a de-multiplexer. The plurality of pixels are electrically connected to a plurality of data signal lines and a scan signal line, and configured to receive a scan signal through the scan signal line. The de-multiplexer includes a plurality of switch transistors electrically connected to the plurality of pixels through the plurality of data signal lines. The plurality of switch transistors are controlled by a plurality of clock signals. A period of a scan waveform of the scan signal is at least partially overlapped with a period of one of the plurality of clock signals with a last clock waveform. The period of the scan waveform of the scan signal is started after a start of the last clock waveform.Type: GrantFiled: May 12, 2023Date of Patent: November 12, 2024Assignee: Innolux CorporationInventors: Hidetoshi Watanabe, Hirofumi Watsuda
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Patent number: 12141390Abstract: A touch sensor device includes a first panel, a second panel, and a drive-sense circuit (DSC). The first panel that includes first electrodes arranged in a first direction and second electrodes arranged in a second direction. The second panel includes third electrodes arranged in a third direction and fourth electrodes arranged in a fourth direction. The DSC is operably coupled via a single line to a coupling of a first electrode of the first electrodes and a first electrode of the third electrodes. The DSC is configured to provide the signal, which is generated based on a reference signal, via the single line to the coupling and simultaneously to sense the signal via the single line. The DSC generates a digital signal representative of the at least one electrical characteristic associated with the first electrode of the first electrodes and/or the first electrode of the third electrodes.Type: GrantFiled: December 5, 2023Date of Patent: November 12, 2024Assignee: SIGMASENSE, LLC.Inventor: Kevin Joseph Derichs
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Patent number: 12135839Abstract: An electronic device for touch translation includes a body and pins extending therefrom and including couplings to facilitate movement of a first portion relative to a second portion. The pins are controllable to more the first portion relative to the second portion and to control force applied by the pins on an external object. Heads are disposed on the pins, which heads are greater in width than the pins and are moveable relative to the pins about respective couplings. Sensors cooperating with the pins detect forces applied to the pins and a communication subsystem communicates over a network, with a remote electronic device. A controller based on detected forces transmits signals to the remote electronic device to control the remote electronic device, and actuates pins to control the relative movement of the portions based on signals received from the remote electronic device.Type: GrantFiled: October 16, 2023Date of Patent: November 5, 2024Inventors: Brian Shuster, Gary Stephen Shuster
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Patent number: 12135846Abstract: An intelligent graphic human/machine interface unit (GHMI) for a power controller device detects, via visual sensors, a user proximate to the device and transitions from “sleep” to “command” mode. When in “command” mode, a user may authenticate themselves to the device, and provide (e.g., in “active” mode) control input for executing device functions, either via a touchscreen display of the GHMI unit or via unlock and command gestures manually performed by the user, detected by the visual sensors, and decoded by the GHMI controller. Command gestures may be mapped to specific control functions and/or command sequences commonly executed by the power controller device. By allowing a user to provide authentication and control input via signed gestures, a user wearing protective gloves or other protective gear precluding use of a capacitive touchscreen may interact with, monitor, or manage the power controller device normally.Type: GrantFiled: July 25, 2023Date of Patent: November 5, 2024Assignee: Vertiv CorporationInventors: Amruta B. Jamdade, Niketan Patil, Rahul A. Gosavi
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Patent number: 12124652Abstract: The application discloses a touch display panel and a drive method therefor. Touch display panel includes a drive electrode, an induction electrode, a detection electrode and an operational amplifier, wherein the induction electrode is electrically connected with a first input terminal of the operational amplifier, and the detection electrode is electrically connected with a second input terminal of the operational amplifier, and wherein the operational amplifier is configured to perform a difference operation between a signal received by the second input terminal and a signal received by the first input terminal.Type: GrantFiled: February 16, 2023Date of Patent: October 22, 2024Assignee: WUHAN TIANMA MICROELECTRONICS CO., LTD.Inventor: Byungjun Lee
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Patent number: 12111475Abstract: Systems include three optical elements arranged along an optical axis each having a different cylinder axis and a variable cylinder refractive power. Collectively, the three elements form a compound optical element having an overall spherical refractive power (SPH), cylinder refractive power (CYL), and cylinder axis (Axis) that can be varied according to a prescription (Rx).Type: GrantFiled: November 16, 2023Date of Patent: October 8, 2024Assignee: Magic Leap, Inc.Inventors: Andrew Ian Russell, Joshua Naaman Haddock
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Patent number: 12105891Abstract: A system for hand tracking for an Augmented Reality (AR) system. The AR system uses a camera of the AR system to capture tracking video frame data of a hand of a user of the AR system. The AR system generates a skeletal model based on the tracking video frame data and determines a location of the hand of the user based on the skeletal model. The AR system causes a steerable camera of the AR system to focus on the hand of the user.Type: GrantFiled: July 24, 2023Date of Patent: October 1, 2024Assignee: Snap Inc.Inventors: Daniel Colascione, Patrick Timothy McSweeney Simons, Weston Welge, Ramzi Zahreddine
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Patent number: 12106003Abstract: A wearable device includes: a communication circuit; a display; and a processor, wherein the processor is configured to: display a visual object in the display; determine, based on an input of the user selecting the visual object, a sensor associated with the visual object; identify, among a plurality of external electronic devices connected to the wearable device through the communication circuit, an external electronic device including the sensor associated with the visual object; transmit, to the identified external electronic device, a first signal for requesting first information associated with the sensor; receiving a second signal including the first information associated with the sensor; update the visual object based on based on the first information; and display the updated visual object in the display.Type: GrantFiled: July 28, 2023Date of Patent: October 1, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sungoh Kim, Choelmin Park, Jaeyung Yeo, Chungwan Hong
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Patent number: 12099673Abstract: A recognition system for recognizing dual inputs of gestures and virtual keys on a touch screen includes a touch IC connected to the touch screen for receiving a plurality of touch signals generated by the touch screen and converting the touch signals to a touch data frame. A processor set is connected to the touch IC. The processor set serves to perform a touch data processing on the touch data frame from the touch IC. The touch data processing is performed by using a processing directly executed by an OS (Operating System) and a processing of AI (artificial intelligence) recognizing. The processor set serves to perform a grammar correction on a recognition result of the AI recognizing. A result of the grammar correction is output to the OS for processing.Type: GrantFiled: August 2, 2023Date of Patent: September 24, 2024Assignee: SUNIA PTE. LTD.Inventors: Kent Xu, Jianming Zhuang
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Patent number: 12099686Abstract: A display device having a photosensing function is provided. A display device having a biometric authentication function typified by fingerprint authentication is provided. A display device having both a touch panel function and a biometric authentication function is provided. The display device includes a first substrate, a light guide plate, a first light-emitting element, a second light-emitting element, and a light-receiving element. The first substrate and the light guide plate are provided to face each other. The first light-emitting element and the light-receiving element are provided between the first substrate and the light guide plate. The first light-emitting element has a function of emitting first light through the light guide plate. The second light-emitting element has a function of emitting second light to a side surface of the light guide plate. The light-receiving element has a function of receiving the second light and converting the second light into an electric signal.Type: GrantFiled: October 12, 2023Date of Patent: September 24, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Daisuke Kubota, Ryo Hatsumi, Taisuke Kamada
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Patent number: 12099270Abstract: A display device is provided and includes display panel including first substrate, lower electrode on first substrate, lower alignment layer with first alignment direction on lower electrode, second substrate, upper electrode on second substrate, upper alignment layer with first alignment direction on upper electrode, and liquid crystalline polymers with striped structure and liquid crystal molecules which are aligned in first alignment direction, and which are disposed between first and second substrates; light source unit disposed at side of display panel and configured to emit incident light which is not polarized; and light guided structure disposed between side of display panel and light source unit, wherein light source unit is disposed in parallel to first alignment direction and light which is emitted from display panel is polarized in first alignment direction.Type: GrantFiled: December 13, 2023Date of Patent: September 24, 2024Assignee: Japan Display Inc.Inventors: Kentaro Okuyama, Akira Sakaigawa
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Patent number: 12094401Abstract: A display device includes: pixels that receive data voltages corresponding to output grayscales; a sensing circuit that senses electrical states of the pixels to provide sensing information; and a grayscale converter that generates the output grayscales with respect to the pixels based on input grayscales and the sensing information, wherein the grayscale converter predicts a temperature of at least one of the pixels based on the sensing information, calculates a current control amount for the at least one of the pixels based on the predicted temperature and the input grayscales, and calculates the output grayscales for the at least one of the pixels based on the current control amount and the input grayscales.Type: GrantFiled: October 26, 2023Date of Patent: September 17, 2024Assignee: SAMSUNG DISPLAY CO., LTDInventors: Byoung Kwan An, Seung Ho Park, Sang Myeon Han
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Patent number: 12094425Abstract: A driving device of an electroluminescent display apparatus includes a pixel line determiner selecting a representative pixel line, disposed at a position at which an accumulation stress caused by an input image is largest, from among all pixel lines, a first sensing & driving circuit pre-sensing pixels of the representative pixel line for each color, an over driving control (ODC) controller selecting a color-based sample pixel characteristic value from among pixel characteristic values of the representative pixel line obtained through the pre-sensing and controlling a sensing priority of each color, based on a relative magnitude of a variation amount of the color-based sample pixel characteristic value, a second sensing & driving circuit performing ODC sensing on color pixels of all pixel lines, based on the sensing priority, and a compensation value generator updating compensation values of the color pixels, based on pixel characteristic values of the color pixels obtained through the ODC sensing, wType: GrantFiled: September 22, 2023Date of Patent: September 17, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Moo Kyoung Hong, Sin Kyun Park
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Patent number: 12093482Abstract: A control device comprising a front portion, at least one button cap, and a controller. The front portion comprises a plurality of button zones each comprising a tactile switch and at least one touch sensor. The at least one button cap is adapted to attach to the control device over at least one of the button zones such that the at least one button cap is positioned over the at least one touch sensor and interacts with the tactile switch in the at least one of the button zones. The controller determines which button zone and which location of the button zone is actuated in response to a combination of signals received from at least one of the tactile switches and at least one of the touch sensors.Type: GrantFiled: November 9, 2023Date of Patent: September 17, 2024Assignee: Crestron Electronics, Inc.Inventor: Benjamin M. Slivka