Patents Examined by Lixi C Simpson
  • Patent number: 12387646
    Abstract: A display panel driving method and a display device are provided. The display panel driving method includes: receiving a refresh rate switching instruction, where the refresh rate switching instruction is configured to control a display panel to switch from a first refresh rate to a second refresh rate; causing an input first video signal with a first image resolution and a first frame rate to be generated into a second video signal with a second image resolution and a second frame rate according to the refresh rate switching instruction; and outputting a scan driving signal corresponding to the second refresh rate and the second video signal to a plurality of pixels of the display panel.
    Type: Grant
    Filed: December 30, 2023
    Date of Patent: August 12, 2025
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shuming Chang, Zhifu Li, Yu Wu, Tao He, Yating Wen, Weisheng Zheng, Yuning Zhang, Qian Wang, Shijie Deng, Zhaoming Liang, Fan Chen
  • Patent number: 12387684
    Abstract: A display panel includes a pixel circuit including a drive module, a reset module, and a compensation module, a first terminal of the drive module is coupled to the light-emitting element to provide a drive current for the light-emitting element, and the drive module includes a drive transistor; the reset module is connected between a reset signal terminal and a control terminal of the drive module to provide a reset signal for the drive module; and the compensation module is connected between the control terminal of the drive module and the first terminal of the drive module to compensate a threshold voltage of the drive transistor; in the reset stage, the reset module is turned on; in the compensation stage, the compensation module is turned on; and a partial time period of the reset stage coincides with a partial time period of the compensation stage.
    Type: Grant
    Filed: December 18, 2023
    Date of Patent: August 12, 2025
    Assignees: Wuhan Tianma Microelectronics Co., Ltd, Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventor: Mengmeng Zhang
  • Patent number: 12373028
    Abstract: An imaging display device includes an imaging unit, a processing unit, a display unit, and a pupil detection unit. The imaging unit includes a plurality of photoelectric conversion elements and is configured to acquire first image information. The processing unit is configured to process a signal from the imaging unit and generate second image information. The display unit is configured to display an image that is based on the signal from the processing unit. The pupil detection unit is configured to detect vector information of a pupil. The processing unit generates the second image information by processing the first image information based on the vector information on the pupil.
    Type: Grant
    Filed: March 11, 2024
    Date of Patent: July 29, 2025
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yosuke Nishide, Takeshi Ichikawa, Yu Maehashi, Akira Okita
  • Patent number: 12374253
    Abstract: Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. In a data writing phase, a data writing module of the pixel circuit provides a data signal. In an initialization writing phase, an initialization module of the pixel circuit provides an initialization signal. In the same data writing frame, a time period between the start time of the initialization writing phase and the start time of the data writing phase is an initialization phase. The duration of the initialization phase in a first mode is different from the duration of the initialization phase in a second mode, and/or the duration of the initialization writing phase in a first mode is different from the duration of the initialization writing phase in a second mode.
    Type: Grant
    Filed: October 16, 2023
    Date of Patent: July 29, 2025
    Assignee: Xiamen Tianma Display Technology Co., Ltd.
    Inventors: Jiemiao Pan, Yuheng Zhang
  • Patent number: 12363419
    Abstract: Systems and methods are described for sending a snapshot message using an electronic eyewear device by a first user capturing an image, identifying a physical marker in the captured image, and determining that the physical marker in the captured image has been within a field of view of the electronic eyewear device for a predetermined amount of time. A 3D snapshot including an object is captured and, each time the identified object appears in a field of view of the electronic eyewear device, a representation of the object is sent for display to a second user as if the real object was sent. The representation of the object may include the snapshot image, the object extracted from the snapshot image, a stored representation of the object, augmented reality content representing the object, etc.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: July 15, 2025
    Assignee: Snap Inc.
    Inventors: Hanseul Jun, Sven Kratz, Joanne Leong, Xingyu Liu, Andrés Monroy-Hernández, Brian Anthony Smith, Yu Jiang Tham, Rajan Vaish
  • Patent number: 12364091
    Abstract: According to an aspect, a detection device includes: a substrate; and a plurality of optical sensors formed by stacking first and second lower electrodes, a lower buffer layer, an active layer, an upper buffer layer, and an upper electrode on the substrate in the order as listed. The first lower electrodes are arranged so as to be separated for each of the optical sensors. The second lower electrodes are provided so as to surround the first lower electrodes, respectively. The lower buffer layer, the active layer, the upper buffer layer, and the upper electrode are provided continuously over the optical sensors so as to cover the first and the second lower electrodes.
    Type: Grant
    Filed: March 18, 2024
    Date of Patent: July 15, 2025
    Assignee: Japan Display Inc.
    Inventor: Masahiro Tada
  • Patent number: 12347225
    Abstract: An under-display optical fingerprint sensors employing microlens arrays (MLAs) and an opaque aperture layer includes high aspect-ratio metal aperture structures for efficient angular signal filtering and stray light control. Instead of relying on one or more opaque aperture baffle-layers, embodiments disclosed herein utilize an image sensor's inherent metal layers for filtering signals originated from unwanted angular ranges and blocking undesired stray light could achieve similar or better performance with simplified process flow and lower cost. Layers from the sensors' inherent metal layers are brought into the sensing area on purpose to form the high aspect-ratio metal aperture structure. The metal layers in the sensing area may include apertures aligned to apertures in the opaque layer, and may also be grounded.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: July 1, 2025
    Assignee: OmniVision Technologies, Inc.
    Inventors: Shih-Hsin Hsu, Jau-Jan Deng
  • Patent number: 12342707
    Abstract: A display device having an image capturing function is provided. The display device includes a first pixel and a second pixel. The first pixel includes a light-emitting device. The second pixel includes a light-receiving device and a lens. The light-emitting device and the light-receiving device share an electrode. The lens and the light-receiving device include a region overlapping with each other. The width of the lens is greater than the width of a light-receiving portion of the light-receiving device. The cross-sectional shape of the lens in a thickness direction including an optical axis is a substantial trapezoid. The surface including a leg of the substantially trapezoidal shape has a convex shape. The surface including an upper base of the substantially trapezoidal shape and the light-receiving portion are provided to face each other. The first pixel and the second pixel are provided to be adjacent to each other.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: June 24, 2025
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hisao Ikeda, Ryo Hatsumi, Daiki Nakamura, Takeya Hirose
  • Patent number: 12340579
    Abstract: An image content determination device includes at least one processor, in which the processor is configured to execute first recognition processing of recognizing a character and a face of a first person from a first image including the character and the face of the first person, execute first acquisition processing of acquiring first person-related information related to the first person included in the first image based on the recognized character and face of the first person, execute second recognition processing of recognizing a face of a second person from a second image including the face of the second person, and execute second acquisition processing of acquiring second person-related information related to the second person included in the second image, in which the second person-related information is acquired using the first person-related information corresponding to the first image including the face of the first person similar to the face of the second person.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: June 24, 2025
    Assignee: FUJIFILM Corporation
    Inventor: Tomohiro Nakagawa
  • Patent number: 12333848
    Abstract: An information processing system includes: a storage unit that stores first area information indicating a clear zone in which a feature quantity of a ridge in a ridge image can be extracted, and second area information indicating an unclear zone that is an area other than the clear zone, in association with each of a plurality of ridge images; an extraction unit that extracts third area information indicating the clear zone, and fourth area information indicating the unclear zone, from the ridge image; a calculation unit that calculates a first score based on the first area information and the second area information, and a second score based on the third area information and the fourth area information; and a selection unit that selects the ridge image to be used for machine learning of the extraction unit, on the basis of the first score and the second score.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: June 17, 2025
    Assignee: NEC CORPORATION
    Inventors: Takaaki Sonobe, Akira Hirokawa
  • Patent number: 12322339
    Abstract: A display panel includes a pixel circuit. The pixel circuit includes a write-in compensation module for writing data signal(s) into a light emission device through a driving transistor and compensating a threshold voltage of the driving transistor; a first reset module for providing a signal of a first reset signal end to a gate of the driving transistor under control of a first reset control end; a second reset module for providing a signal of a second reset signal end to an anode of the light emission device under control of a second reset control end; and a light emission control module for connecting a drain electrode of the driving transistor with the anode under control of a light emission control end. A cathode of the light emission device is connected with a first power source voltage end.
    Type: Grant
    Filed: September 12, 2023
    Date of Patent: June 3, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Linlin Wang, Xilei Cao, Benlian Wang, Weiyun Huang
  • Patent number: 12288486
    Abstract: An electronic device is provided. The electronic device includes a housing, a flexible display, a memory storing executable instructions, and at least one processor, wherein the instructions are configured to, when executed, enable the at least one processor to identify a first event triggering a first display operation for displaying an image based on a rotation of the electronic device, identify a second event triggering a second display operation for displaying an image based on a change in an area of the flexible display, and sequentially change a display attribute of an image displayed on the flexible display.
    Type: Grant
    Filed: December 2, 2022
    Date of Patent: April 29, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jookwan Lee, Yongjin Kwon, Gyeongtae Park, Yangwook Kim, Jihea Park
  • Patent number: 12271544
    Abstract: The present disclosure relates to a method and a device for measuring a force action. The disclosure additionally relates to an input apparatus which uses such a device or such a method. In a first step, a voltage pulse resulting from a force action on a force sensor is generated by a charge amplifier. Using this voltage pulse, a trigger pulse may be generated by a comparator circuit. A voltage value derived from the voltage pulse is then stored in a storage capacitor by a current mirror. The capacitor voltage resulting therefrom may be evaluated by an evaluation unit.
    Type: Grant
    Filed: December 5, 2023
    Date of Patent: April 8, 2025
    Assignee: Continental Automotive Technologies GmbH
    Inventor: Vitalis Frolov
  • Patent number: 12254841
    Abstract: A display substrate a driving method therefor, and a display apparatus. The display substrate comprises: M rows and N columns of sub-pixels, N data signal lines and a data reset circuit, wherein at least one sub-pixel comprises a pixel circuit; an ith data signal line is connected to pixel circuits in an ith column, where M?1, N?1, and 1?i?N; and the data reset circuit is electrically connected to a data reset control end, a data initial signal end and the N data signal lines, and is configured to provide a signal of the data initial signal end to the N data signal lines under the control of the data reset control end.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: March 18, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Haoliang Zheng, Yan Qu, Dongni Liu, Li Xiao, Jiao Zhao, Xiaorong Cui, Seungwoo Han, Minghua Xuan
  • Patent number: 12254159
    Abstract: A touch structure, a touch display panel, and a display device are provided, which relate to the field of touch technology. The touch structure includes first touch electrodes and second touch electrodes. The first touch electrode includes first electrode blocks and transfer bridges. The second touch electrode includes second electrode blocks. The first and second touch electrodes are mesh structures. Grid lines of the first and second electrode blocks are channel lines, and the channel lines forming boundaries of the first electrode block are first boundary channel lines. Grid lines of the transfer bridge are transfer lines. The transfer bridge includes an opening part and a bridge part connected to the opening part. The opening part is connected to the first electrode block through a via hole. Some transfer lines are boundary transfer lines. The boundary transfer lines are overlapped with some first boundary channel lines.
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: March 18, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuanqi Zhang, Yi Zhang, Yu Wang, Shun Zhang, Chang Luo
  • Patent number: 12249612
    Abstract: A fingerprint recognition module is disclosed, and including: a base substrate; a driving circuit layer disposed on a side of the base substrate, and including a plurality of driving transistors arranged in an array; a first insulating layer disposed on a side of the driving circuit layer facing away from the base substrate, and including a plurality of first via holes running through the first insulating layer in a thickness direction of the first insulating layer; a plurality of photoelectric converters disposed on a side of the first insulating layer facing away from the driving circuit layer, and in contact with first electrodes of the plurality of driving transistors through the plurality of first via holes in one-to-one correspondence; a second insulating layer disposed on a side of the first insulating layer facing away from the base substrate.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: March 11, 2025
    Assignees: Beijing BOE Sensor Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Kuiyuan Wang, Cheng Li, Yue Geng, Yi Dai, Zefei Li, Chaoyang Qi, Zhonghuan Li, Xiaoguan Li, Congcong Xi, Yajie Feng, Yingzi Wang
  • Patent number: 12242313
    Abstract: A system determines a current state of an information handling system, and receives a sensor output signal. The system determines whether a status change of the sensor output signal relates to an expected state based on the current state and a previous state of the information handling system, and determines whether the sensor output signal is triggered by an external magnet. If the status change of the sensor output signal relates to the expected state and the sensor output signal is not triggered by the external magnet, then the system transitions the information handling system from the current state to the expected state.
    Type: Grant
    Filed: September 28, 2023
    Date of Patent: March 4, 2025
    Assignee: Dell Products L.P.
    Inventors: Chen Hsin Chang, Wan Shih Chien, Yi Min Lin
  • Patent number: 12236895
    Abstract: A display panel and a display device are provided. The display panel includes pixel circuits arranged in an array and scan lines. Each pixel circuit in a N-th row of pixel circuits includes a driving transistor, a writing transistor, and a sensing transistor. A N-th scan line is configured to control charging of the N-th row of pixel circuits, a (N+1)-th scan line is configured to control the charging of a (N+1)-th row of pixel circuits, a gate of the writing transistor in each pixel circuit of the N-th row of pixel circuits is electrically connected to the N-th scan line, and a gate of the sensing transistor in each pixel circuit of the N-th row of pixel circuits is electrically connected to the (N+1)-th scan line.
    Type: Grant
    Filed: November 16, 2023
    Date of Patent: February 25, 2025
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yuchao Zeng, Pengfei Liang
  • Patent number: 12222500
    Abstract: A structured optical surface and an optical imaging system including the structured optical surface is described. The structured optical surface includes a plurality of structures formed by an intersection of at least first and second Fresnel patterns, such that when the structured optical surface is incorporated in an optical imaging system comprising a pixelated display surface with at least one pixel comprising at least two sub-pixels spaced apart by a gap, the structured optical surface images the at least two sub-pixels onto an image surface as at least two corresponding imaged sub-pixels spaced apart by a corresponding imaged gap, and the structured optical surface diffracts light so that the diffracted light at least partially fills the imaged gap without substantially overlapping any of the at least two imaged sub-pixels.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: February 11, 2025
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Zhaohui Yang, Brett J. Sitter
  • Patent number: 12223762
    Abstract: A device includes a first biometric sensor formed on a substrate and configured to access a first biometric feature of a user, and a second biometric sensor arranged under the first biometric sensor and configured to access second a biometric feature of the user. The second biometric sensor includes a light emitter configured to emit light to reach the user through the substrate and receive a reflection light for deriving the second biometric feature.
    Type: Grant
    Filed: January 13, 2023
    Date of Patent: February 11, 2025
    Assignee: IMAGE MATCH DESIGN INC.
    Inventors: Chia-Ming Wu, Yan-Quan Pan, Yen-Kuo Lo, Yeh-Suan Yan