Patents Examined by Hong Zhou
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Patent number: 11967281Abstract: Disclosed are a driving circuit, a driving method, and a display panel. The method includes: turning on the first thin film transistor to control the voltage of the first node to be an initialization voltage; then controlling the voltage of the second node to be a threshold voltage based on the respective voltage difference between the initialization voltage and the turned-on second and the fourth thin film transistor; turning on the third thin film transistor to compensate the threshold voltage to obtain a driving voltage; turning on the fifth thin film transistor to access the driving current by the driving voltage, the driving current is controlled to pass through the turned-on sixth thin film transistor to drive the light-emitting diode.Type: GrantFiled: June 21, 2023Date of Patent: April 23, 2024Assignee: HKC CORPORATION LIMITEDInventors: Renjie Zhou, Baohong Kang
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Patent number: 11966547Abstract: An electronic device, a control method, a control module of the electronic device, and a computer-readable storage medium are provided. The electronic device includes: a shell; a display screen disposed in the shell; a fingerprint module movably disposed in an inner cavity; and a drive mechanism. The inner cavity is formed between the shell and the display screen. The drive mechanism is connected to the fingerprint module, and drives, in a case that the display screen is touched, the fingerprint module to move to a position corresponding to a first region. The first region is a region that is of the display screen and that is touched.Type: GrantFiled: September 22, 2022Date of Patent: April 23, 2024Assignee: VIVO MOBILE COMMUNICATION CO., LTD.Inventors: Kaokao Zhang, Ling Hu
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Patent number: 11961488Abstract: A method for controlling a screen of an electronic device includes the following. A switching instruction sent by an application layer is received. The switching instruction is configured to control a display chip to switch between an AOD state and a non-AOD state. In response to the switching instruction, it is determined whether a first display interface received from the application layer at a current moment matches the switching instruction. In response to determining that the first display interface matches the switching instruction, the display chip switches between the AOD state and the non-AOD state based on the switching instruction to display the first display interface.Type: GrantFiled: July 29, 2022Date of Patent: April 16, 2024Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventor: Hao Liu
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Patent number: 11955077Abstract: An electronic device may include: a housing; a display which is viewed through at least a portion of the housing and which displays a screen image by using a plurality of pixels; a display driving circuit for providing, to the display, a data voltage an emission signal for driving each of the plurality of pixels; and a processor operationally connected to the display and the display driving circuit. The processor can be configured to set a first frame driven by the display, and the display driving circuit can be configured to set a first period in which the data voltage is supplied to a first transistor in each of the plurality of pixels and a second period in which the data voltage written in the first period is maintained and to change the initialization voltage to be supplied to the plurality of pixels in the second period. Various other embodiments identified from the specification are also possible.Type: GrantFiled: July 6, 2022Date of Patent: April 9, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Namhyeon Jeon, Jitae Kim, Sungwon Ryu, Hyunchang Shin, Gyudong Eom, Youngman Lee, Jihan Lee
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Patent number: 11941209Abstract: Provides in the present disclosure are a touch module, a preparation method therefor, and a display device. The touch module is formed by means of attaching a polarizing function layer to a side of a touch function layer by a first bonding layer; attaching a cyclo olefin polymer (COP) film layer to another side of the touch function layer by a second bonding layer; and attaching a third bonding layer to a side, facing away from the second bonding layer, of the COP film layer.Type: GrantFiled: April 19, 2021Date of Patent: March 26, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Jiuzhen Wang, Meizhu Zheng, Lupeng Bian, Biao Gao, Zebang Guo, Xiongnan Zhang, Boyang Shi, Shengxing Zhang, Jian Cai, Dalin Xiang
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Patent number: 11928292Abstract: A touchscreen device includes a touchscreen (2), support parts (6a, 6b, 6c, 6d) supporting a periphery of the touchscreen (2), and an information output unit outputting information corresponding to an external force acting on the touchscreen (2). Each support part (6a, 6b, 6c, 6d) has thereon a pressure sensor (10a, 10b, 10c, 10d) arranged such that a pressure sensing surface thereof is in contact with the periphery of the touchscreen (2) and has a predetermined angle with respect to a planar surface of the touchscreen (2). The information output unit is configured to recognize, based on detected values detected by the pressure sensors (10a, 10b, 10c, 10d), an acting direction along the planer surface of the touchscreen (2) of the external force acting on the touchscreen (2) and output, to the outside, information on the acting direction and positional information detected by the touchscreen (2) for a position on the touchscreen where the external force is acting.Type: GrantFiled: October 15, 2020Date of Patent: March 12, 2024Assignee: DMG MORI CO., LTD.Inventor: Hiroshi Kobayashi
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Patent number: 11914813Abstract: A ranging method and an apparatus thereof, a storage medium, and a terminal device. By adding a processing unit into a hardware abstraction layer of the terminal device, a software method is thus used to replace a physical proximity sensor (Psensor); in addition, costs are effectively reduced.Type: GrantFiled: February 21, 2020Date of Patent: February 27, 2024Assignee: HUIZHOU TCL MOBILE COMMUNICATION CO., LTDInventors: Bin Song, Hailong Chen, Junting Liu, Yan Gong
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Patent number: 11907477Abstract: In a display system, a display device includes a plurality of gate lines, a plurality of source lines, and a plurality of common electrodes used for both image display and touch detection. A control device controls the display device. The control device includes a drive circuit that generates a gate signal as a sine wave, and outputs the gate signal to the plurality of gate lines.Type: GrantFiled: January 30, 2023Date of Patent: February 20, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Atsushi Hirai
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Patent number: 11907434Abstract: To provide an information processing apparatus (100) including: a detection unit (110) that detects an object selected by a user with a finger-pointing gesture as a selected object, in which the detection unit detects the selected object on the basis of a first extension line extending from a first line segment connecting a first reference point indicating a position of a wrist of a hand of the user corresponding to the finger-pointing gesture and a second reference point corresponding to a height of the wrist on a first perpendicular line perpendicularly extending from a base of an arm of the user corresponding to the finger-pointing gesture to a floor surface toward a wrist side.Type: GrantFiled: January 21, 2021Date of Patent: February 20, 2024Assignee: SONY GROUP CORPORATIONInventors: Takayoshi Shimizu, Kazuma Takahashi
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Patent number: 11907461Abstract: A touch circuit includes: a touch IC; a first pull-up sub-circuit; a second pull-up sub-circuit; a first switching sub-circuit configured to transmit a signal from a data signal input terminal to a data signal port under control of a signal from a first signal input terminal; and a second switching sub-circuit configured to transmit a signal from a clock signal input terminal to a clock signal port under control of the signal from the first signal input terminal. The signal from the data signal input terminal is transmitted to the first switching sub-circuit earlier than the signal from the first signal input terminal, and the signal from the clock signal input terminal is transmitted to the second switching sub-circuit earlier than the signal from the first signal input terminal.Type: GrantFiled: April 6, 2023Date of Patent: February 20, 2024Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yang Rao, Cheng Zuo, Dayu Zhang, Kangpeng Dang, Hong Chen, Peng Qin, Zhong Jin, Bo Wang, Zhongli Luo, Xiong Guo, Shifei Huang, Teng Liu, Yuansheng Tang
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Patent number: 11899878Abstract: An input sensing device includes driving electrodes and sensing electrodes, and an analog front-end which processes sensing signals from the sensing electrodes to output a differential output value. The analog front-end includes a first charge amplifier which differentially amplifies first and second sensing signals from two sensing electrodes to first and second input terminals, thus outputting first and second differential signals through first and second output terminals, a second charge amplifier which differentially amplifies the first and second differential signals, thus outputting third and fourth differential signals, a first demodulation circuit which filters the first and second differential signals in a first mode and filters each of the third and fourth differential signals in a second mode, and a first analog-to-digital converter which outputs a first sensing value based on at least one output signal of the first demodulation circuit.Type: GrantFiled: December 29, 2022Date of Patent: February 13, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Choon Hyop Lee, Jang Hui Kim, Jae Won Kim, In Nam Lee
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Patent number: 11899883Abstract: According to one embodiment, a display device includes a display area, a plurality of sensor electrodes and a shield electrode. The display panel includes a first substrate, a second substrate opposed to the first substrate, a liquid crystal layer sealed between the first substrate and the second substrate, a pixel electrode, and a counter-electrode. The plurality of sensor electrodes are arranged to surround the display area. The shield electrode is arranged between the plurality of sensor electrodes and the pixel electrode or the counter-electrode located closest to a boundary between the display area and a non-display area surrounding the display area, in planar view. A predetermined reference voltage is applied to the shield electrode.Type: GrantFiled: September 19, 2022Date of Patent: February 13, 2024Assignee: Japan Display Inc.Inventors: Akihiko Fujisawa, Kaoru Ito
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Patent number: 11903280Abstract: A display device includes a display panel including a plurality of subpixels and a plurality of signal lines, the display panel defining a display area having a first optical area and a normal area outside of the first optical area, and a non-display area. The first optical area includes a plurality of light emitting areas and a plurality of first transmission areas, and the normal area includes a plurality of light emitting areas. The display panel includes a plurality of first horizontal lines, among the signal lines, disposed through the first optical area. The first horizontal lines include a bypass line connected to subpixels at both boundaries of the first optical area and not connected to other subpixels inside of the first optical area, and a non-bypass line connected to the subpixels at both boundaries of the first optical area and the subpixels inside of the first optical area.Type: GrantFiled: November 2, 2022Date of Patent: February 13, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Youngsung Cho, Byeong-Seong So
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Patent number: 11900858Abstract: The present disclosure relates to a power management circuit including a multiplexer and a power converter, and can provide technology that implements a multiplexer selecting and outputting input power to the power management circuit and a power converter controlling input voltage of a timing controller as one integrated circuit.Type: GrantFiled: December 29, 2022Date of Patent: February 13, 2024Assignee: LX SEMICON CO., LTD.Inventor: Jung Min Choi
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Patent number: 11899877Abstract: According to one embodiment, a display device includes a display part, a plurality of sensor electrodes and a controller. The display part is configured to display an image. The plurality of sensor electrodes are arranged to surround the display part. The controller is electrically connected to the sensor electrodes, and is configured to detect an object close to or contacting the sensor electrodes. The controller drives at least one of the sensor electrodes as a detection electrode and drives at least one of the sensor electrodes as a drive electrode.Type: GrantFiled: April 6, 2022Date of Patent: February 13, 2024Assignee: Japan Display Inc.Inventor: Akihiko Fujisawa
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Patent number: 11893918Abstract: A shift register unit, a driving method, a driving circuit and a display device. The shift register unit includes a first node control circuit, a second node control circuit, an output node control circuit, an output circuit, a maintaining circuit, and a potential control circuit. The first node control circuit controls the potential of the first node, the second node control circuit controls the potential of the second node, the output node control circuit controls the connection between the output terminal and the first voltage terminal under the control of the potential of the output node, the potential control circuit control the potential of the control terminal of the maintaining circuit according to the second clock signal; the maintaining circuit controls the connection between the output terminal and the second voltage terminal under the control of a potential of the control terminal of the maintaining circuit.Type: GrantFiled: January 28, 2021Date of Patent: February 6, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Haigang Qing
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Patent number: 11887683Abstract: The present disclosure provides a shift register unit, a driving method, a gate driving circuit and a display device. The shift register unit includes a pull-down node control circuit; the pull-down node control circuit is electrically connected to an input terminal, a reset terminal, a first voltage terminal, a second voltage terminal and a pull-down node, respectively, and is configured to, under the control of an input signal provided by the input terminal and a reset signal provided by the reset terminal, control the pull-down node to be electrically conducted to the first voltage terminal or the second voltage terminal, and control to hold a potential of the pull-down node.Type: GrantFiled: December 29, 2020Date of Patent: January 30, 2024Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Zhidong Yuan, Yongqian Li, Can Yuan, Wenchao Bao
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Patent number: 11886666Abstract: A detection circuit adaptable to a fingerprint detection system includes an integrating amplifier coupled to receive a photo-detected voltage from a sensor panel and configured to generate time integral of the photo-detected voltage, thereby resulting in a time-integral signal; and an analog-to-digital converter (ADC) that converts the time-integral signal into a digital form. A first common-mode voltage of the sensor panel is coupled to the integrating amplifier to prevent noise occurred in the first common-mode voltage from affecting the time-integral signal.Type: GrantFiled: December 28, 2022Date of Patent: January 30, 2024Assignee: Himax Technologies LimitedInventors: Yaw-Guang Chang, Jia-Ming He, Zong-You Hou
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Patent number: 11886641Abstract: 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: August 30, 2022Date of Patent: January 30, 2024Assignee: Northwestern UniversityInventors: James E. Colgate, Michael A. Peshkin
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Patent number: 11861102Abstract: A method for operating a capacitive touch-sensitive switch having a capacitive sensor element and a sensor circuit includes initially setting a scanning frequency of the capacitive touch-sensitive switch with a good signal-to-noise ratio and then operating the capacitive touch-sensitive switch at a scanning frequency which has been set to detect switch actuation. The process of setting the scanning frequency includes operating the touch-sensitive switch using a first measurement method and at a selected scanning frequency, detecting the measurement signals from the sensor circuit and checking whether the detected measurement signals contain or could contain a critical alias effect. If no critical alias effect and no possibility of a critical alias effect are detected during the check, the scanning frequency can be set as the selection frequency for detection operation of the touch-sensitive switch. A capacitive touch-sensitive switch is also provided.Type: GrantFiled: March 31, 2022Date of Patent: January 2, 2024Assignee: Diehl AKO Stiftung & Co. KGInventors: Krzysztof Kierys, Adrian Podsiadlowski