Patents Examined by Stephen T Reed
-
Patent number: 12204719Abstract: A touch input device includes M drive lines; N sense lines; (M×N) electrostatic capacitances; and a signal processor configured to output a first drive signal and detect a change in a plurality of electrostatic capacitances of the (M×N) electrostatic capacitances. The signal processor outputs the first drive signal to the at least one first drive line and outputs a second drive signal having a phase opposite to the first drive signal to each of at least two second drive lines. The signal processor outputs the first drive signal and the second drive signal so that a first amplitude total, which is obtained by multiplying an amplitude of the first drive signal by the number of first drive lines, is substantially equal to a second amplitude total, which is obtained by multiplying an amplitude of the second drive signal by the number of second drive lines.Type: GrantFiled: January 19, 2024Date of Patent: January 21, 2025Assignee: Sharp Display Technology CorporationInventor: Kohji Nagasaka
-
Patent number: 12197254Abstract: An electronic device includes a display, a housing, a glass panel provided on the display, and a shielding printed layer provided on a second surface of the glass panel in a region corresponding to a space between a side face of the electronic device and an edge of the display. The glass panel includes a flat portion and a curved portion, which includes a first region having a curvature of the curved portion, a second region perpendicular to the first region and covered by the shielding printed layer, and a chamfer region constructed between the first region and the second region. A ratio of a height of the chamfer region with respect to the first region and a length of the chamfer region with respect to the second region has a value in a range of 2 to 4.Type: GrantFiled: January 17, 2024Date of Patent: January 14, 2025Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seungjae Jung, Jeongeun Kim, Sanghoon Han, Byungsun Kim, Dongjun Oh
-
Patent number: 12198630Abstract: A display includes a light emitting element that emits light, a driving transistor that controls a driving current flowing through the light emitting element, a light sensing element spaced apart from the light emitting element and generating a photocurrent according to external light, a first sensing transistor that controls a sensing current flowing to a readout line according to a voltage of a gate electrode of the first sensing transistor, which is electrically connected to an electrode of the light sensing element, and a shielding electrode disposed around a side of the gate electrode of the first sensing transistor in plan view.Type: GrantFiled: January 26, 2024Date of Patent: January 14, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hee Rim Song, Hee Jean Park, Cheol Gon Lee
-
Patent number: 12189139Abstract: A near-eye display apparatus, including: a display screen including pixel island groups each including at least one pixel island which each includes pixel units; a micro-lens array disposed on a light-emitting side of the display screen, and including micro-lenses each corresponding to one pixel island, each micro-lens being configured for imaging an image displayed by the pixel island corresponding thereto; an imaging lens group disposed on a side of the micro-lens array away from the display screen and configured for collimating imaging light of the micro-lenses, the pixel island groups are configured for displaying partial images which form a complete image, and imaging field of view angles formed by outgoing light rays, of the pixel island groups adjacent to each other, passing through the micro-lenses corresponding to the pixel island groups and the imaging lens group are continuous with each other. A display method is further provided.Type: GrantFiled: June 18, 2021Date of Patent: January 7, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qiuyu Ling, Wei Wang, Tiankuo Shi, Yifan Hou, Xianqin Meng, Weiting Peng, Xiaochuan Chen
-
Patent number: 12190762Abstract: A display device includes liquid crystal panels, and displays an image, based on emission light from each of the liquid crystal panels. A display control circuit of the display device supplies image data of respective colors R, G, and B to the corresponding liquid crystal panels. A panel pixel having the lowest transmittance of three panel pixels corresponding to white-side pixels at domain boundaries is regarded as a reference panel pixel. The display control circuit reduces a gray scale level of pixel data supplied to two panel pixels other than the reference panel pixel of the three panel pixels. With this, coloring of the white-side pixels can be suppressed.Type: GrantFiled: December 26, 2023Date of Patent: January 7, 2025Assignee: SEIKO EPSON CORPORATIONInventors: Seiji Osawa, Kazuhisa Mizusako, Daigo Hokazono, Hiroyuki Hosaka
-
Patent number: 12189885Abstract: A display device includes a display panel which includes a display area in which a plurality of subpixels are positioned and a non-display area positioned around the display area, a metal line positioned in the non-display area of the display panel, a first pin electrically connected to one end of the metal line, an operational circuit electrically connected to a first pin and configured to sense a characteristic value of the metal line, and a capacitor to be charged with a voltage applied to the first node, thereby providing a display device and an integrated circuit capable of effectively removing electric charges generated by a touch.Type: GrantFiled: December 3, 2022Date of Patent: January 7, 2025Assignee: LG DISPLAY CO., LTD.Inventor: Beom Jeong
-
Patent number: 12189892Abstract: A method of detecting an application or removal of one of a first touch and a second touch on a capacitive touch screen is provided. The method may include storing respective first touch data for a first set of nodes at a first cycle, storing respective second touch data for a second set of nodes at a second cycle after the first cycle, determining a first total touch data by summing the respective first touch data for the first set of nodes at the first cycle, determining a second total touch data by summing the respective second touch data for the second set of nodes at the second cycle, and determining whether a touch has been applied or removed from the capacitive touch screen based on a comparison between the first total touch data and the second total touch data.Type: GrantFiled: January 24, 2024Date of Patent: January 7, 2025Assignee: Microchip Touch Solutions LimitedInventor: Shazia Maqbool
-
Patent number: 12185602Abstract: A display device comprises a substrate; a circuit array layer comprising pixel drivers, data lines, first dummy lines, and second dummy lines; and a light emitting array layer. The display area comprises middle, first side, and second side regions. The data lines comprise first, second, and third data lines disposed in the middle, first side, and second side regions, respectively. The first dummy lines comprise a first data detour line disposed in the first side region and adjacent to a part of the second data line, and auxiliary lines. The second dummy lines comprise a second data detour line configured to connect the first data detour line to the third data line, and additional lines. The auxiliary lines comprise a bias auxiliary line to which a bias power is applied; and a second power auxiliary line to which a second power is applied.Type: GrantFiled: February 8, 2024Date of Patent: December 31, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jin Sung An, Sung Ho Kim, Yong Jae Kim, Yun Hwan Park, Yoon Jee Shin, Sug Woo Jung, Hyun Wook Choi
-
Patent number: 12175935Abstract: A display apparatus includes a pixel row including a plurality of pixels. Each pixel includes a driving transistor that provides a driving current to a light emitting element, and includes a gate electrode, a first electrode, and a second electrode. The first transistor includes a gate electrode that receives a first scan signal, a first electrode receives a data voltage, and a second electrode. The second transistor includes a gate electrode that receives a second scan signal, a first electrode that receives an initialization voltage, and a second electrode. A ripple detection unit detects ripples that occur in pixel rows in the display apparatus. A compensation image data calculation unit calculates the magnitude of the compensation image data based on the difference between the voltage level of the initialization voltage of a pixel row in which the ripple occurs and a reference initialization voltage level.Type: GrantFiled: December 28, 2023Date of Patent: December 24, 2024Assignee: LG Display Co., Ltd.Inventors: Hyunkyo Lim, Dongsup Sim
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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