Patents Examined by Amr Awad
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Patent number: 11960636Abstract: Examples of wearable systems and methods can use multiple inputs (e.g., gesture, head pose, eye gaze, voice, and/or environmental factors (e.g., location)) to determine a command that should be executed and objects in the three-dimensional (3D) environment that should be operated on. The multiple inputs can also be used by the wearable system to permit a user to interact with text, such as, e.g., composing, selecting, or editing text.Type: GrantFiled: December 22, 2021Date of Patent: April 16, 2024Assignee: MAGIC LEAP, INC.Inventors: James M. Powderly, Savannah Niles, Jennifer M. R. Devine, Adam C. Carlson, Jeffrey Scott Sommers, Praveen Babu J D, Ajoy Savio Fernandes, Anthony Robert Sheeder
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Patent number: 11935480Abstract: Systems and methods are used to dim an emissive display such as an organic light emitting diode (OLED) display. A dimming level setpoint signal is received. At least one dimming process is selected from four dimming processes based on a magnitude of the dimming level setpoint signal. A first dimming process selects a subrange of pixel illumination levels from a range of pixel illumination levels. A second dimming process adjusts a VCOM voltage for the pixel array. A third dimming process selects between rolling shutter and global shutter. A fourth dimming process selectively utilizes one or more subpixels from an emissive display pixel based on the magnitude of the dimming level setpoint signal. The selected dimming process or processes are applied to the emissive display, there by dimming the display. The display can be an OLED display.Type: GrantFiled: May 29, 2021Date of Patent: March 19, 2024Assignee: KOPIN CORPORATIONInventor: Frederick Herrmann
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Patent number: 11927476Abstract: A method, device, and display device for detecting ambient light are provided. The method includes obtaining brightness information of the ambient light, determining a brightness interval of the ambient light according to the brightness information of the ambient light and preset correspondences between a plurality of ambient light sensors and different brightness intervals, using the ambient light sensor corresponding to the brightness interval of the ambient light as a reference sensor, and outputting a brightness signal of a current ambient light according to output signals of the ambient light sensors and a preset conversion formula.Type: GrantFiled: August 10, 2021Date of Patent: March 12, 2024Inventors: Yaqiong Long, Tengteng Shi, Xiaoyan Niu
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Patent number: 11915668Abstract: A display device includes a display panel including a plurality of pixels, a display panel driver, and a zone compensating circuit which divides the display panel into a plurality of unit blocks, obtains load values of input image data for the unit blocks, and generates corrected image data by correcting the input image data based on the load values. Each of the load values corresponds to one of the unit blocks. The display panel driver generates a data signal for displaying an image on the display panel based on the corrected image data. When grayscale values included in the input image data are the same, a luminance of the image displayed on the display panel is decreased moving away from a center of a reference block having a largest load value among the unit blocks based on the corrected image data.Type: GrantFiled: May 9, 2022Date of Patent: February 27, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eun Jin Choi, Ki Hyun Pyun, Sung In Kang
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Patent number: 11915632Abstract: An image display apparatus is disclosed. The image display according to an embodiment of the present disclosure includes a signal processing device including a first logic circuit to process a first voltage range of a voltage level of the input signal, a second logic circuit to process a second voltage range of the voltage level of the input signal, higher than the first voltage range, and a protection control circuit including a protection switch and a protection controller for controlling the protection switch, wherein the protection switch is turned on based on the protection controller being turned off or powered down. Accordingly, a breakdown phenomenon can be reduced in case of power off or power down.Type: GrantFiled: February 18, 2020Date of Patent: February 27, 2024Assignee: LG ELECTRONICS INC.Inventors: Taksu Moon, Youngjae Jung
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Patent number: 11915662Abstract: A backlight module includes at least one drive light-emitting group. The drive light-emitting group includes a drive unit provided with plurality of signal transmission channels, a plurality of light-emitting units and a plurality of line groups. The signal transmission channel is connected to the light-emitting unit through the line group. The signal transmission channel, the line group and the light-emitting unit are arranged in one-to-one correspondence. The line group includes a main transmission line and a compensation line arranged in parallel. The compensation lines of the plurality of line groups are connected through a control switch group. When there is an abnormal signal transmission channel, the control switch group is enabled to control a compensation line corresponding to the abnormal signal transmission channel to be conducted with compensation line corresponding to at least one normal signal transmission channel.Type: GrantFiled: December 19, 2022Date of Patent: February 27, 2024Assignee: HKC CORPORATION LIMITEDInventors: Bin Qiu, Rongrong Li
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Patent number: 11908419Abstract: A gate driver and a display device comprising the same are discussed. The gate driver can comprise a plurality of stages for individually driving a plurality of gate lines by a combination of a plurality of group signals, a plurality of block signals, and a plurality of clock signals. Each of the plurality of stages driven independently can include an output buffer including a pull-up transistor configured to generate and output a gate-on level of a scan signal under the control of a first node, and a pull-down transistor configured to generate and output a gate-off level of the scan signal under the control of a second node. Each stage can further include a first controller configured to control the first node, and a second controller configured to control the second node to be opposite to the operation of the first node.Type: GrantFiled: October 14, 2022Date of Patent: February 20, 2024Assignee: LG DISPLAY CO., LTD.Inventor: JunHyeok Yang
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Patent number: 11893821Abstract: A sensor device including a fingerprint sensor and an antenna. The a fingerprint sensor has a silicon-based area sensor, a sensor area, and an electrically conductive contact region arranged laterally adjacent to the sensor area and configured to be touched upon the contact area being touched by a finger in order to bring the finger to a predetermined potential. The antenna is coupled to the fingerprint sensor to inductively couple the fingerprint sensor to a booster antenna.Type: GrantFiled: March 30, 2021Date of Patent: February 6, 2024Assignee: Infineon Technologies AGInventors: Jens Pohl, Frank Pueschner
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Patent number: 11881145Abstract: A method, device, and apparatus for determining a brightness compensation parameter. The method includes: obtaining, at any grayscale, a plurality of first acquired brightness values of a plurality of first sub-pixels of a target color in the first display region and a plurality of second acquired brightness values of a plurality of second sub-pixels of the target color in the second display region of the display panel to be compensated; determining whether an acquisition ratio of an average value of the plurality of first acquired brightness values to an average value of the plurality of second acquired brightness values is within a standard range; correcting the plurality of first acquired brightness values or the plurality of second acquired brightness values to obtain a corrected brightness value of the display panel; determining the brightness compensation parameter of the display panel based on the corrected brightness value.Type: GrantFiled: November 10, 2022Date of Patent: January 23, 2024Assignee: Kunshan New Flat Panel Display Technology Center Co., Ltd.Inventors: Feng Chen, Junhui Lou, Xiaoyu Gao
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Patent number: 11881758Abstract: The present disclosure provides a display device, which enables minimization of a transformer circuit and which can be driven using various commercial voltages, and a method for controlling the display device. The display device according to an embodiment comprises: a display; a transformer which transforms commercial power and supplies the transformed commercial power to the display and which includes a plurality of switching devices; and a controller for determining, on the basis of the magnitude of an input voltage input to the transformer, whether or not to open at least one of the plurality of switching devices, and controlling the plurality of switching devices on the basis of an output voltage of the transformer to perform a modulation control of the output voltage to follow a predetermined reference voltage.Type: GrantFiled: November 6, 2019Date of Patent: January 23, 2024Assignees: SAMSUNG ELECTRONICS CO., LTD., KOOKMIN UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATIONInventors: Du Hee Jang, Sang-Kyoo Han, Sang Hoon Lee, Ka San Ha
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Patent number: 11881136Abstract: A display driver and a driving method thereof is disclosed. The display driver includes at least one first latch, at least one second latch, an output buffer, and a comparator. The first latch receives input data. The input terminal of the second latch is coupled to the output terminal of the first latch. The output buffer, including at least one variable current source, is coupled to the second latch. The comparator is coupled to the first latch, the second latch, and the variable current source. The comparator generates at least one control signal of the variable current source.Type: GrantFiled: December 28, 2021Date of Patent: January 23, 2024Assignee: Novatek Microelectronics Corp.Inventors: Jhih-Siou Cheng, Yen-Ru Kuo, Chih-Hsien Chou
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Patent number: 11875598Abstract: An electronic device detects a first operation of a user; the electronic device obtains a fingerprint image and a touch signal in response to the first operation; and the electronic device determines, based on the fingerprint image and the touch signal, that the fingerprint image is a fingerprint image of a real finger or a fingerprint image of a fake finger.Type: GrantFiled: July 15, 2020Date of Patent: January 16, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Xiaona Zhao, Bing Chang, Shuiping Long, Teng Shi, Danhong Li, Li Zhang
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Patent number: 11875738Abstract: A display driver integrated circuit includes a gamma circuit, a control circuit, and an output buffer circuit. The gamma circuit generates a plurality of gamma voltages based on gamma control information, a first gamma power supply voltage and a second gamma power supply voltage. The control circuit calculates a gamma limit value based on panel brightness information, voltage levels of the first and second gamma power supply voltages and the number of the plurality of gamma voltages. The control circuit generates a mode determination signal. The output buffer circuit includes a plurality of buffer circuits. Each of the plurality of buffer circuits includes an input stage and the input stage includes first transistors and second transistors. In a first driving mode, each of the plurality of buffer circuits turns off the first transistors and turns on the second transistors included in the input stage.Type: GrantFiled: March 10, 2022Date of Patent: January 16, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jihoon Kim, Yongsoo Lee, Kyunghoon Chung, Minje Hyun
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Patent number: 11869399Abstract: A driving circuit includes first and second input signal terminals, first and second output signal terminals, constant current sources, first and second transistors having control terminals connected to the first and second input signal terminals, third and fourth transistors each having a control terminal to which a first bias voltage is applied, first and second inductors each having a first inductance, and third and fourth inductors each having a second inductance larger than the first inductance. The driving circuit further includes fifth and sixth transistors each having a control terminal to which a second bias voltage is applied, outflow terminals connected to inflow terminals of the third and fourth transistors via the first and second inductors, and inflow terminals connected to the first and second output signal terminals via the third and fourth inductors.Type: GrantFiled: November 17, 2021Date of Patent: January 9, 2024Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Hiroshi Uemura, Keiji Tanaka
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Patent number: 11854456Abstract: An electro-optic display having a plurality of pixels is driven from a first image to a second image using a first drive scheme, and then from the second image to a third image using a second drive scheme different from the first drive scheme and having at least one impulse differential gray level having an impulse potential different from the corresponding gray level in the first drive scheme. Each pixel which is in an impulse differential gray level in the second image is driven from the second image to the third image using a modified version of the second drive scheme which reduces its impulse differential The subsequent transition from the third image to a fourth image is also conducted using the modified second drive scheme but after a limited number of transitions using the modified second drive scheme, all subsequent transitions are conducted using the unmodified second drive scheme.Type: GrantFiled: October 28, 2022Date of Patent: December 26, 2023Assignee: E Ink CorporationInventors: Demetrious Mark Harrington, Kenneth R. Crounse, Karl Raymond Amundson, Teck Ping Sim, Matthew J. Aprea
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Patent number: 11782531Abstract: The present disclosure generally relates to methods and apparatuses for detecting gestures on a reduced-size electronic device at locations off of the display, such as gestures on the housing of the device or on a rotatable input mechanism (e.g., a digital crown) of the device, and responding to the gestures by, for example, navigating lists of items and selecting items from the list; translating the display of an electronic document; or sending audio control data to an external audio device.Type: GrantFiled: January 18, 2017Date of Patent: October 10, 2023Assignee: Apple Inc.Inventor: Colin M. Ely
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Patent number: 11736803Abstract: Disclosed herein is a full-screen display device capable of sufficiently securing light transmittance of a sensor area overlapping a sensor unit in a pixel array and minimizing deterioration in perceived image quality of the sensor area. The pixels are arranged in the sensor area overlapping the sensor unit in the pixel array of the full-screen display device such that the number of pixels gradually decreases from the outer periphery toward the center of the sensor area in units of masks, and the area of a transmission portion gradually increases from the outer periphery toward the center of the sensor area in units of masks.Type: GrantFiled: June 22, 2022Date of Patent: August 22, 2023Assignee: LG Display Co., Ltd.Inventors: Young-Tae Kim, Jun-Woo Jang, Tae-Yong Park, Woong-Jin Seo
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Patent number: 11727858Abstract: A 1D scanning micro-display architecture for high-resolution image visualization in compact AR and Head Mounted Displays (“HMDs”). A display driver is configured to drive a plurality of display pixels of a tri-linear microdisplay, wherein the tri-linear microdisplay defines one or more stripes. Each of the stripes are constructed of one or more rows of pixels, and is used in the 1D-scanning display system to create high-resolution images in an augmented reality (“AR”) or Head Mounted Display.Type: GrantFiled: March 16, 2021Date of Patent: August 15, 2023Assignee: Auroratech CompanyInventors: Ziqi (Kelly) Peng, Eric Schmid
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Patent number: 11705029Abstract: Systems and methods are provided to compensate image data for display on a curved display. A pixel uniformity compensation factor may be applied based on a pixel uniformity compensation factor map that is calibrated to the display panel while the display panel has a flat shape, and a panel curvature compensation factor may be applied when the image content is to be displayed while the display panel has a curved shape. The panel curvature compensation factor may be based on a panel curvature compensation factor map that is calibrated to the display panel after the display panel is bent from the flat shape to the curved shape.Type: GrantFiled: August 26, 2020Date of Patent: July 18, 2023Assignee: Apple Inc.Inventors: Sheng Zhang, Shengchang Cai, ByoungSuk Kim, Yi Huang
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Patent number: 11690270Abstract: A display device may include a display panel and an input sensor. Mesh lines of the input sensor may include first mesh lines extending in a first direction and second mesh lines extending in a second direction crossing the first direction. The first mesh lines and the second mesh lines may cross each other at a plurality of cross points. In a unit region of the sensing electrode, first cutting points may be defined in the first mesh lines and the second mesh lines, and second cutting points may be defined in the first mesh lines and the second mesh lines.Type: GrantFiled: May 29, 2022Date of Patent: June 27, 2023Assignee: Samsung Display Co., Ltd.Inventors: Joong-Soo Moon, Kwang-Min Kim, Yangwan Kim, Keunsoo Lee, Youngjin Cho