Patents Examined by Sanjiv D Patel
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Patent number: 11688345Abstract: Provided are a pixel driving circuit, a driving method and a display panel. The pixel driving circuit includes a driving transistor, a storage sub-circuit, a data writing sub-circuit, an initialization sub-circuit, a first light-emission control sub-circuit, a second light-emission control sub-circuit and a light-emitting element. The data writing sub-circuit is configured to write a data signal to a first electrode of the driving transistor in response to a second scan signal. The storage sub-circuit is configured to store the data signal written by the data writing sub-circuit. The initialization sub-circuit is configured to apply a reset voltage of an initial voltage terminal to the light-emitting element in response to a first scan signal. The first light-emission control sub-circuit is configured to apply a voltage of a first power terminal to the first electrode of the driving transistor in response to a first light-emission signal.Type: GrantFiled: August 16, 2022Date of Patent: June 27, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yao Huang, Yue Long, Weiyun Huang, Benlian Wang
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Patent number: 11681388Abstract: A display device includes a plurality of upper layer electrodes including a first upper layer electrode and a second upper layer electrode electrically separated from the first upper layer electrode, and a lower layer electrode provided in common with the first upper layer electrode and a second upper layer electrode and overlapping with the first upper layer electrode and the second upper layer electrode via an insulating film. The first upper layer electrode includes a first protrusion protruding toward the second upper layer electrode, and the second upper layer electrode includes a second protrusion protruding toward the first upper layer electrode. The lower layer electrode is provided with a wide portion having a width greater than those of the first protrusion and the second protrusion, the wide portion overlapping at least with a gap between the first protrusion and the second protrusion.Type: GrantFiled: April 19, 2019Date of Patent: June 20, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Masaki Yamanaka, Yi Sun, Takao Saitoh, Masahiko Miwa, Yohsuke Kanzaki
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Patent number: 11682349Abstract: A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current for driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.Type: GrantFiled: April 29, 2022Date of Patent: June 20, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xueling Gao, Kuanjun Peng, Chengchung Yang, Xiangxiang Zou, Wei Qin
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Patent number: 11682329Abstract: A display device includes a main body provided with a display module on which an image is displayed, a bending module located at a center of a rear surface of the main body, and a controller. The controller includes controlling the bending module to change a curvature of the display module to any one of a flat mode in which the display module is flat, a first bending mode in which the display module has a first curvature, and a second bending mode in which the display module has a second curvature. Here, the second curvature is a maximum curvature of the display module. The controller further includes switching the display module to any one of the flat mode, the first bending mode, and the second bending mode based on a distance to a remote controller.Type: GrantFiled: May 13, 2022Date of Patent: June 20, 2023Assignee: LG ELECTRONICS INC.Inventors: Sanghee Lee, Yuri Lee
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Patent number: 11683969Abstract: An electronic apparatus has a through module hole defined in an active area and includes a first sensing pattern and a second sensing pattern spaced apart from each other in one direction with the module hole disposed therebetween. A third sensing pattern and a fourth sensing pattern are spaced apart from each other in a direction crossing the one direction with the module hole disposed therebetween. A first connection line extends along a portion of the module hole and connects the first sensing pattern acid the second sensing pattern to each other. A second connection line extends along a portion of the module hole and connects the third sensing pattern and the fourth sensing pattern to each other. The first connection line and the second connection line are disposed on the same layer and are spaced apart from each other.Type: GrantFiled: February 21, 2019Date of Patent: June 20, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyungsu Lee, Il-Joo Kim, Jong-Hwa Kim, Jeongyun Han
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Patent number: 11676542Abstract: A display device includes: a display panel including an active area and a peripheral area adjacent to the active area and including a plurality of pixels overlapping the active area and a scan driving circuit overlapping a portion of each of the active area and the peripheral area. The scan driving circuit is configured to drive the plurality of pixels. A sensing sensor is disposed on the display panel and includes first sensing electrodes and second sensing electrodes overlapping the active area and insulated from each other and sensing lines connected to the first sensing electrodes and the second sensing electrodes. The plurality of pixels include: first pixels that do not overlap the scan driving circuit; and second pixels that overlap the scan driving circuit, wherein at least a portion of the sensing lines overlaps the scan driving circuit.Type: GrantFiled: October 13, 2021Date of Patent: June 13, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sun Hee Lee, Hyang-A Park, Sunho Kim
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Patent number: 11663972Abstract: Provided are a method for driving a display panel and a display device. In the method for driving a display panel, at least one picture update period includes a data write stage, a data retention stage, and a data compensation stage; at least one of the data compensation stage precedes at least one of the data write stage; at the data compensation stage, a gate scanning signal is provided for and a compensation data voltage is written to a pixel unit; at the data write stage, the gate scanning signal is provided for and the target data voltage is written to the pixel unit, where the compensation data voltage is less than the target data voltage; and at the data retention stage, no data voltage is written to the pixel unit.Type: GrantFiled: July 7, 2022Date of Patent: May 30, 2023Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Jieliang Li, Ming Yang
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Patent number: 11650684Abstract: A touch display apparatus including a body, a display module, a light control element, and a touch module is provided. The body has an opening. The display module is disposed in the body and is suitable for emitting a plurality of image beams toward the opening. The light control element is disposed to overlap the opening of the body and is suitable for reflecting the image beams coming from the display module to an imaging space to display an image frame of the display module. The imaging space and the display module are located on two opposite sides of the light control element. The touch module is disposed on one side of the light control element and is configured to recognize a touch operation of a user in the imaging space.Type: GrantFiled: January 17, 2022Date of Patent: May 16, 2023Assignee: CHAMP VISION DISPLAY INC.Inventors: Chun-Chien Liao, Hsin-Hung Lee, Hsin-Mao Chung, Ching-Hung Chen
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Patent number: 11635854Abstract: A touch display screen includes a display panel, a touch-sensing part, a biosensor and a controller. The touch-sensing part is disposed on a light emitting side of the display panel and has a touch-sensing surface. The touch-sensing part includes a light-emitting device and a light receiver. The light-emitting device is used to provide at least one positioning light and at least one high-energy light. The light receiver is used to detect a change of the positioning light on the touch-sensing surface in response to a touch action and determine the position on which the touch action occurs on the touch-sensing surface. The biosensor is used to determine whether a living body getting close to the touch-sensing surface. The controller is used to drive the light-emitting device to selectively provide the positioning light and/or the high-energy light to the touch-sensing surface according to the determinations of the biosensor.Type: GrantFiled: March 4, 2022Date of Patent: April 25, 2023Assignee: BenQ CorporationInventors: Chin-Jui Chi, Pei-Wen Huang, Ta-Wei Liu
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Patent number: 11635842Abstract: A touch panel provided by the present invention includes light sensitive circuits and a touch circuit. The light sensitive circuits include a readout line disposed along a second direction. The touch circuit includes signal emitting lines disposed along a first direction and signal receiving lines disposed along a second direction. Wherein, the signal emitting line, a scanning line, and a gate electrode are disposed on a same layer, and the signal receiving line, a readout line, and a source/drain electrode layer are disposed on a same layer. No additional film layer is added, integrating the light sensitive circuits and the touch circuit in one touch panel.Type: GrantFiled: November 17, 2020Date of Patent: April 25, 2023Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Bao Zha
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Patent number: 11630540Abstract: The disclosure includes a touch display apparatus having AFE circuit that performs a noise cancellation of an AFE channel by utilizing noise signal received by a neighboring AFE channels. The first AFE channel includes a first integrator having an input terminal coupled to the first terminal receiving a first sensing signal. The second AFE channel includes an input amplifier. The second AFE channel is coupled between the input terminal of the first integrator in the first AFE channel and a second terminal connected to the touch panel. The second AFE channel is configured to generate a reversal input signal based on a second sensing signal received by the second terminal and couple the reversal input signal to a common node between the first integrator and the first terminal.Type: GrantFiled: February 22, 2022Date of Patent: April 18, 2023Assignee: Novatek Microelectronics Corp.Inventor: Yen-Cheng Cheng
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Patent number: 11620942Abstract: A pixel circuit, a driving method thereof and a display device are provided. The pixel circuit includes a drive circuit, a data writing circuit, a compensation-and-reset circuit, and a storage circuit. The drive circuit includes a control terminal, a first terminal and a second terminal, and is configured to control a driving current for driving a light-emitting element to emit light; the data writing circuit is configured to write a data signal to the control terminal of the drive circuit in response to a scanning signal; the compensation-and-reset circuit is configured to apply the reset voltage to the control terminal of the drive circuit in response to a compensation signal; the storage circuit is configured to store the data signal that is wrote and a threshold voltage, and to couple and adjust a voltage of the control terminal of the drive circuit.Type: GrantFiled: November 21, 2018Date of Patent: April 4, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chengchung Yang, Xueling Gao, Kuanjun Peng
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Patent number: 11614814Abstract: A touch panel comprises: a first electrode substrate having a first conductive film; a second electrode substrate having a decorative portion facing the first conductive film; and a case configured to contain the first electrode substrate, wherein the first electrode substrate has a larger area than the second electrode substrate, and wherein the case is configured to cover an outer peripheral portion of the first electrode substrate outside the second electrode substrate, and not to cover the second electrode substrate.Type: GrantFiled: June 15, 2021Date of Patent: March 28, 2023Assignee: FUJITSU COMPONENT LIMITEDInventors: Hideyuki Hagihara, Yutaka Ueno, Masaya Morohashi, Takuya Ozawa, Yuta Nakamura
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Patent number: 11616103Abstract: An electronic device is disclosed that includes a display layer, a display driver, a sensor layer on the display layer, and a sensor driver that drives the sensor layer. The display layer includes a scan line, a data line, an emission control line. The display driver drives the display layer and provides signals to the scan, data, and emission control lines. The sensor layer operates in a first sensing mode driven at a first sensing frequency or in a second sensing mode driven at a second sensing frequency different from the first sensing frequency. When the sensor layer operates in the first sensing mode, the display driver outputs a first emission control signal to the emission control line. When the sensor layer operates in the second sensing mode, the display driver provides the emission control line with a second emission control signal having a second waveform that is different from a first waveform of the first emission control signal.Type: GrantFiled: December 3, 2021Date of Patent: March 28, 2023Inventor: Soongyu Lee
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Patent number: 11609662Abstract: A touch detection method for a touch and display driving circuit includes transmitting a first touch pulse signal of a first frame and transmitting a first touch pulse signal of a second frame. A start timing of the first touch pulse signal of the first frame with respect to the first frame is different from a start timing of the first touch pulse signal of the second frame with respect to the second frame.Type: GrantFiled: May 18, 2022Date of Patent: March 21, 2023Assignee: NOVATEK Microelectronics Corp.Inventors: Hung-Hsiang Chen, Huang-Chin Tang
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Patent number: 11610561Abstract: A hub system control method, for controlling a hub which has a maximum bandwidth and is connected to a plurality of monitors, comprising: acquiring resolutions and refresh rates of each one of the monitors by the hub; computing used bandwidths of each one of the monitors according to the resolutions and the refresh rates; and controlling the hub to operate corresponding to at least one relation between the used bandwidths and the maximum bandwidth.Type: GrantFiled: April 1, 2022Date of Patent: March 21, 2023Assignee: ATEN INTERNATIONAL CO., LTD.Inventors: Kai-Jui Chan, Chih-Wei Huang, Shang-Yi Yang
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Patent number: 11604529Abstract: A display device includes a display panel and an input sensor. The input sensor includes a first electrode and a second electrode crossing each other and a bridge pattern at a crossing area of the first electrode and the second electrode. One of the first electrode and the second electrode includes a plurality of center patterns each having a first opening, a plurality of first patterns at one side of the plurality of center patterns and each having a second opening, a plurality of second patterns at another side of the plurality of center patterns and each having a third opening, and a plurality of third patterns for electrically connecting two adjacent patterns from among the plurality of center patterns, the plurality of first patterns, and the plurality of second patterns.Type: GrantFiled: March 17, 2022Date of Patent: March 14, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jaeuk Choi, Yun-Ho Kim, Chul Kim
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Patent number: 11604530Abstract: The present invention provides a novel pixel array with touch component integration, the structure includes pluralities of the pixels, arranged in an array with a gap between the horizontal space. Two touch electrode layers are arranged in the gap which are alternately with the pixels, thereby the spatial integration efficiency could be improved by integrating touch sensing electrode layers within the display pixels.Type: GrantFiled: June 16, 2022Date of Patent: March 14, 2023Assignee: Decentralized Biotechnology Intelligence Co., Ltd.Inventor: Yao-Sheng Chou
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Patent number: 11592937Abstract: A display controller includes a touch sensing controller configured to drive sensing electrodes with a touch sensing waveform that includes multiple modulations. The touch sensing controller is further configured to halt driving the plurality of sensing electrodes when a number of the modulations satisfies a selected sub-burst size. The touch sensing waveform is synchronized to an instance of a horizontal sync signal.Type: GrantFiled: March 8, 2022Date of Patent: February 28, 2023Assignee: Synaptics IncorporatedInventors: Masaaki Shiomura, Nobukazu Tanaka, Daisuke Ito, Sung-Sool Lee
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Patent number: 11592946Abstract: A capacitive gap force sensor includes a first electrode, a second electrode spaced apart from the first electrode, a first layer of dielectric material positioned between the first electrode and the second electrode, and a second layer of conductive material positioned between the first layer and the second electrode. The first layer has a first compression resistance less than a second compression resistance of the second layer. An effective capacitive sensing gap is defined between the first electrode and the second layer. The first layer is configured to compress or deform and alter the effective capacitive sensing gap when a force is received at the first electrode or the second electrode.Type: GrantFiled: September 21, 2021Date of Patent: February 28, 2023Assignee: Apple Inc.Inventors: Daniel J. Bechstein, Nahid Harjee, Travis N. Owens