Patents Examined by Premal R Patel
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Patent number: 11740734Abstract: A detection device includes: a first electrode extending in a first direction along a detection face; a plurality of second electrodes extending in a second direction along the detection face, and facing the first electrode; a signal output circuit configured to output a signal to the first electrode; a detection circuit that detects capacitance generated between the first electrode and the second electrodes in accordance with the signal; and a force-sensing element configured to detect force applied to the detection face. A plurality of first electrode blocks each including a plurality of the first electrodes are arranged in the second direction. The signal output circuit is switched between a first mode of outputting the signal to the first electrode blocks at different times and a second mode of outputting the signal to some of the first electrodes and starts operation on the second mode when the force is detected.Type: GrantFiled: August 26, 2021Date of Patent: August 29, 2023Assignee: Japan Display Inc.Inventor: Kenshi Tada
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Patent number: 11734945Abstract: A display module includes: a liquid crystal module, a cover plate, and a texture recognition unit. The texture recognition unit includes a first light source and a texture sensing module. The first light source is located at a side of the cover plate proximate to the liquid crystal module, and is configured to emit invisible light. The texture sensing module is located at a side of the liquid crystal module facing away from the cover plate. A light wavelength range of light allowed to pass through the cover plate and the liquid crystal module includes a light wavelength range of the invisible light. The texture sensing module is configured to collect reflected light after the invisible light is irradiated to a target object, so as to identify a texture of the target object.Type: GrantFiled: December 16, 2019Date of Patent: August 22, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jian Zhang, Cai Zheng, Tingting Zhao, Litao Fan, Yingxue Yu, Jinzhao Zhou, Qin Xin
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Patent number: 11734948Abstract: A device and a method for contactless fingerprint acquisition is provided. The contactless fingerprint acquisition device includes a housing including a finger scanning area for at least one finger; at least two image capturing devices located in the housing and arranged in a predetermined baseline distance, each image capturing device having an optical axis in a predetermined angle with the vertical direction; and, a lighting unit in the housing for illuminating the at least one finger. The at least two image capturing devices are operable to acquire a plurality of partial fingerprint images of the at least one finger, and the plurality of partial fingerprint images correspond to different portions of the at least one finger.Type: GrantFiled: March 11, 2019Date of Patent: August 22, 2023Assignee: MOQI TECHNOLOGY (BEIJING) CO., LTD.Inventors: Linpeng Tang, Cheng Tai, Feng Kang, Wei Hu, Bo Liu
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Patent number: 11727874Abstract: A display panel including: a plurality of light emitting pixels which emit light in response to a first scan signal, a second scan signal, and a light emission control signal; and a plurality of light sensing pixels which output a sensing signal corresponding to external light in response to the first scan signal and the second scan signal, wherein each of the plurality of light emitting pixels includes an organic light emitting diode including an anode and a cathode, the cathode receiving a first driving voltage, and each of the plurality of light sensing pixels includes an organic photodiode including a first electrode and a second electrode, wherein the second electrode of the organic photodiode is electrically connected to the cathode of the organic light emitting diode to receive the first driving voltage.Type: GrantFiled: October 19, 2021Date of Patent: August 15, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Goeun Cha, KyungTea Park, Keumdong Jung, Suk Kim
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Patent number: 11727877Abstract: A pixel includes: an organic light emitting diode; a first transistor including a gate that is connected to a first node, wherein the first transistor is connected between a second node and a third node; a second transistor including a gate that is connected to a corresponding scan line, wherein the second transistor is connected between a data line and the second node; a storage capacitor connected between the first node and a first voltage; a third transistor including a gate that is connected to the corresponding scan line, the third transistor is connected between the first node and the third node; and a fourth transistor connected between a first end of the first transistor and a second voltage.Type: GrantFiled: August 19, 2022Date of Patent: August 15, 2023Assignee: Samsung Display Co., Ltd.Inventors: Young-In Hwang, Sung Ho Kim, Eung Taek Kim, Yong Ho Yang, Seong Min Wang, Jung-Mi Choi
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Patent number: 11727715Abstract: Provided is a method for determining a match between a candidate fingerprint and a reference fingerprint characterized by minutiae local features. The method includes extracting several minutiae from the candidate fingerprint, computing from said extracted minutiae a plurality of minutiae local features of the candidate fingerprint, computing a first global matching score between the candidate fingerprint and the reference fingerprint based on the first similarity scores of said matching local feature pairs; computing a second global matching score between the candidate fingerprint and the reference fingerprint based on said computed second similarity scores; and determining a match between the candidate fingerprint and the reference fingerprint comprising: comparing the first and second global matching scores and, comparing the first matching score to a matching threshold. Other embodiments disclosed.Type: GrantFiled: September 9, 2020Date of Patent: August 15, 2023Assignee: THALES DIS FRANCE SASInventors: Laurent Vibert, Giang Thi Tra Dang, Qiang Li
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Patent number: 11721126Abstract: A method to authenticate a user by means of a fingerprint sensor, which is capable of simultaneously acquiring the fingerprints of a hand, the method comprising: an enrollment process (100), during which the features of first fingerprints (Ei) of the fingers of the hand are acquired (101-103), a variation model (Gij) indicating a plausible mutual position variation for each pair of first fingerprints (Ei, Ej) is determined (104) based on the respective features and stored (105); and a comparison process (200), during which features of successive fingerprints (Ei, Ej) of the fingers of the hand are acquired (201-203), a degree of similarity between each one of the first fingerprints (Ei) and each one of the successive fingerprints (Ck) is determined (204) based on a comparison of the respective features, a degree of plausibility of mutual position of pairs of fingerprints (<Ei,Cki>, <Ej,Ckj>) of a set (P) of pairs of fingerprints, each comprising one of the first fingerprints (Ei) and that of the sType: GrantFiled: July 23, 2020Date of Patent: August 8, 2023Assignee: TOUCH BIOMETRIX LIMITEDInventors: Henricus Derckx, Wilhelmus Van Lier, Michael A. Cowin, Davide Maltoni
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Patent number: 11705036Abstract: The present disclosure related to an optical fingerprint identification display and a driving method thereof. In the optical fingerprint identification display and the driving method thereof, the fingerprint identification display includes: a display panel and a processor. The display panel includes a plurality of pixels arranged in a two-dimensional matrix. The pixel includes: at least one subpixel which emits light on the basis of a first signal received from the processor; and an optical sensor which receives the light emitted from the subpixel and is reflected from a fingerprint and generates a second signal. The processor determines a touch region on the display panel, and transmits the first signal to one or more pixels included in the touch region, and identifies the fingerprint of the user on the basis of the second signal received from the pixel.Type: GrantFiled: June 3, 2019Date of Patent: July 18, 2023Assignees: LG Display Co., Ltd., INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITYInventors: Byong Deok Choi, Yong Sang Yoo, Yong Duck Kim, Jeong Min Moon, Soon Shin Jung, Moon Bong Song, Jihwan Jung, Kiseok Chang
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Patent number: 11694628Abstract: A shift register unit, a driving method thereof, and a gate driving circuit are disclosed. The shift register unit includes: an input circuit configured to receive an input signal from an input signal terminal and output the input signal to a voltage stabilizer node; a voltage-stabilizing circuit configured to input potential of the voltage stabilizer node to a pull-up node and control potential of the voltage stabilizer node; an output circuit configured to receive a clock signal from a clock signal terminal and provide an output signal to an output signal terminal based on the clock signal received under control of the potential of the pull-up node; and a control circuit configured to control potential of the output signal terminal under control of the potential of the pull-up node.Type: GrantFiled: April 29, 2022Date of Patent: July 4, 2023Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTDInventors: Xuehuan Feng, Sixiang Wu
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Patent number: 11694472Abstract: The embodiments of the present disclosure provide a display panel, a display device, and a method for manufacturing the display panel. The display panel comprises: a display module comprising a fingerprint recognition component; a packaging cover plate located on a light emergent side of the display module; and a plurality of light path adjustment devices located between the packaging cover plate and the fingerprint recognition component, wherein each of the light path adjustment devices comprises an optical fiber structure and a convex lens structure, which are arranged opposite each other, with the convex lens structure being located on the side of the optical fiber structure that is away from the packaging cover plate; and the light path adjustment devices are configured to adjust incident light reflected by a finger so as to reduce the angle of divergence of light entering the fingerprint recognition component.Type: GrantFiled: March 9, 2021Date of Patent: July 4, 2023Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xinli Ma, Dongchuan Chen, Xueqiang Qian, Bingyang Liu
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Patent number: 11688351Abstract: A shift register unit, a gate driving circuit, and a display device are provided. The shift register unit includes an input terminal, a first shift register sub-unit, and a second shift register sub-unit. The first shift register sub-unit includes a first output terminal, is connected to the input terminal to receive an input signal, and is configured to output a first output signal at the first output terminal according to the input signal; the second shift register sub-unit includes a second output terminal, is connected to the input terminal to receive the input signal, and is configured to output a second output signal at the second output terminal according to the input signal; and a pulse portion of the first output signal at least partially overlaps with a pulse portion of the second output signal in time.Type: GrantFiled: September 27, 2021Date of Patent: June 27, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lubin Shi, Xiaohai Chen, Tingting Zhou
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Patent number: 11687221Abstract: According to one embodiment, a method, computer system, and computer program product for computing device control. The embodiment may include segmenting an augmented reality (AR) view of an environment of a user into distinct segmented areas of the AR view. The AR view is created by an AR device of the user. The segmenting is performed using the AR device. The embodiment may include mapping a computing device within the environment to a distinct segmented area of the AR view. The mapping results in a user interface (UI) of the computing device being displayed within the distinct segmented area of the AR view. The embodiment may include controlling the computing device via the UI of the computing device displayed within the distinct segmented area of the AR view.Type: GrantFiled: August 27, 2021Date of Patent: June 27, 2023Assignee: International Business Machines CorporationInventors: Clement Decrop, Sarbajit K. Rakshit, Martin G. Keen, John M. Ganci, Jr.
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Patent number: 11681374Abstract: A haptic feedback system is disposed on a device, including a fixed portion, a movable portion, a connecting assembly, and a driving assembly. The fixed portion fixedly connects the device. The movable portion is movable along a first mode direction and a second mode direction relative to the fixed portion. The movable portion is movably connected to the fixed portion via the connecting assembly. The driving assembly drives the movable portion to move relative to the fixed portion by a driving force, wherein a driving direction of the driving force is different from the first mode direction and the second mode direction.Type: GrantFiled: January 28, 2022Date of Patent: June 20, 2023Assignee: TDK TAIWAN CORP.Inventors: Po-Xiang Zhuang, Wei-Jhe Shen, Yi-Ho Chen, Ko-Lun Chao
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Patent number: 11682228Abstract: An ultrasonic sensor includes a two-dimensional array of ultrasonic transducers, wherein the two-dimensional array of ultrasonic transducers is substantially flat, a contact layer having a non-uniform thickness overlying the two-dimensional array of ultrasonic transducers, and an array controller configured to control activation of ultrasonic transducers during an imaging operation. During the imaging operation, the array controller is configured to control a transmission frequency of activated ultrasonic transducers during the imaging operation, wherein a plurality of transmission frequencies are used during the imaging operation to account for an impact of an interference pattern caused by the non-uniform thickness of the contact layer, and is configured to capture at least one fingerprint image using the plurality of transmission frequencies.Type: GrantFiled: November 12, 2021Date of Patent: June 20, 2023Assignee: InvenSense, Inc.Inventors: Quy Chau, Mei-Lin Chan
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Patent number: 11676545Abstract: A display device includes a display panel on which a plurality of sub-pixels are disposed; a timing controller configured to transmit an image control signal to a host system to receive image data from the host system; a data driving circuit configured to convert the image data transmitted from the timing controller into a data voltage and configured to supply the data voltage to the display panel; and a semi-off switching circuit configured to control the image control signal so that the image data is cut off from the host system during a semi-off period of a predetermined time from a time when an off monitoring signal is transmitted from the host system in response to the power off signal.Type: GrantFiled: July 8, 2022Date of Patent: June 13, 2023Assignee: LG DISPLAY CO., LTD.Inventor: SangHyun Park
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Patent number: 11676415Abstract: A sensing device includes a sensing circuit, a conductive line, and a sampling circuit. The conductive line is electrically connected to the sensing circuit. The sampling circuit is electrically connected to the conductive line. The sampling circuit includes a capacitor, a first thin film transistor, and a second thin film transistor. The first terminal of the first thin film transistor is electrically connected to the first terminal of the capacitor. The first terminal of the second thin film transistor is electrically connected to the second terminal of the capacitor. The second terminal of the first thin film transistor is electrically connected to the conductive line. The second terminal of the second thin film transistor is electrically connected to the ground terminal.Type: GrantFiled: March 8, 2022Date of Patent: June 13, 2023Assignee: INNOLUX CORPORATIONInventors: Te-Yu Lee, Hui-Ching Yang, Yang-Jui Huang, Ya-Li Tsai, Ya-Hsiang Tai
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Patent number: 11669163Abstract: Disclosure herein concerns a method that includes illuminating a user's eye with an illumination source in a head-worn display, capturing an image of the user's eye with an eye camera in the head-worn display, wherein the image includes an eye glint produced by light from the illumination source that is reflected from a surface of the user's eye, determining a size of an eye glint in the captured image, and identifying a change in focus distance for the user's eye in correspondence with a change in the size of the eye glint.Type: GrantFiled: May 5, 2022Date of Patent: June 6, 2023Assignee: Mentor Acquisition One, LLCInventor: John N. Border
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Patent number: 11670109Abstract: An optical fingerprint identification system includes a cover, a light emitting layer, an optical layer, an image sensor and a base that are sequentially disposed from top to bottom. The cover has a fingerprint contact surface on top. The image sensor has an image surface. The optical layer includes a first array layer and a second array layer, and the first array layer is stacked on top of the second array layer. The first array layer and the second array layer respectively include a plurality of first array lens elements and a plurality of second array lens elements respectively arranged at equal intervals in a first direction. Each of the first array lens elements and a corresponding second array lens element of the second array layer are coaxial along an optical axis and form an imaging unit.Type: GrantFiled: May 6, 2022Date of Patent: June 6, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Chun-Che Hsueh, Hsiang-Chi Tang, Tsung-Han Tsai, Fuh-Shyang Yang
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Patent number: 11669178Abstract: An electronic device may include a display. The display may be formed by an array of light-emitting diodes mounted to the surface of a substrate. The substrate may be a silicon substrate. Circuitry may be located in spaces between the light-emitting diodes. Circuitry may also be located on the rear surface of the silicon substrate and may be coupled to the array of light-emitting diodes using through-silicon vias. The circuitry may include integrated circuits and other components that are attached to the substrate and may include transistors and other circuitry formed within the silicon substrate. Touch sensor electrodes, light sensors, and other components may be located in the spaces between the light-emitting diodes. The substrate may be formed from a transparent material that allows image light to reach a lens and image sensor mounted below the substrate.Type: GrantFiled: July 22, 2020Date of Patent: June 6, 2023Assignee: Apple Inc.Inventors: Wei Chen, Steven P. Hotelling, John Z. Zhong, William C. Athas, Wei H. Yao
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Patent number: 11657639Abstract: An electronic device is provided. The electronic device includes a transparent member comprising a transparent material, a display panel disposed under the transparent member and including a plurality of pixels, a biometric sensor disposed under the display panel, and a filter disposed between the display panel and the biometric sensor and covering the biometric sensor.Type: GrantFiled: April 26, 2021Date of Patent: May 23, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Jihoon Park, Jihun Heo, Sanggeun Han, Hyunwoo Kim, Bongjae Rhee