Patents by Inventor Chang Zhang

Chang Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12293962
    Abstract: The present disclosure relates to a flip-chip and a chip packaging structure. The flip-chip includes: a driver chip having a package surface facing a wiring substrate; and a plurality of conductive connectors. Any one of the plurality of conductive connectors includes a conductive bump connected to the package surface and a conductive extension portion on a side of the conductive bump away from the driver chip.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: May 6, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yong Yu, Xuerui Gong, Chang Zhang
  • Publication number: 20250130573
    Abstract: The application provides a pose adjustment method, a pose adjustment device, an electronic equipment, and a readable storage medium. The method includes: obtaining coordinates and noise parameters of the mobile device at a previous moment, the coordinates and the noise parameters at the previous moment being predicted by a Kalman filter model, the previous moment is a previous moment adjacent to a current moment; obtaining several measurement coordinates of the mobile device at the current moment through several measurement modules; predicting coordinates of the mobile device at the current moment through the Kalman filter model based on the several measured coordinates, the coordinates of the previous moment, and the noise parameters of the previous moment; and adjusting the pose of the mobile device at the current moment based on the coordinates of the current moment and a preset trajectory of the mobile device. The pose adjustment method may improve positioning accuracy.
    Type: Application
    Filed: May 19, 2023
    Publication date: April 24, 2025
    Inventors: Di Wu, WEN-QUAN ZHAO, QI-CHANG ZHANG, XU-BIN LUO
  • Publication number: 20250123786
    Abstract: The present disclosure generally relates to engaging in cross device interactions. The method includes at a first device with a first display, while a second device having a second display is placed over a first region of the first display, detecting, via input devices of the first device, a first input. In response to detecting the first input and in accordance with a determination that the first input occurred while focus was directed to the second device, the method includes causing a response to the first input to be displayed on the second display. In response to detecting the first input and in accordance with a determination that the first input occurred while focus was directed to the first device, the method includes displaying, on the first display, a response to the first input without causing a response to the first input to be displayed on the second display.
    Type: Application
    Filed: September 23, 2024
    Publication date: April 17, 2025
    Inventors: Tianjia SUN, Chang ZHANG, Paul X. WANG, Aaron WANG
  • Publication number: 20250044874
    Abstract: A portable computer includes a display portion comprising a display and a base portion pivotally coupled to the display portion. The base portion may include a bottom case and a top case, formed from a dielectric material, coupled to the bottom case. The top case may include a top member defining a top surface of the base portion and a sidewall integrally formed with the top member and defining a side surface of the base portion. The portable computer may also include a sensing system including a first sensing system configured to determine a location of a touch input applied to the top surface of the base portion and a second sensing system configured to determine a force of the touch input.
    Type: Application
    Filed: October 21, 2024
    Publication date: February 6, 2025
    Inventors: Christiaan A. Ligtenberg, Brett W. Degner, Ron A. Hopkinson, Asif Hussain, Dinesh C. Mathew, Mikael M. Silvanto, Chang Zhang, Zheng Gao, Robert Y. Cao, Keith J. Hendren, Bryan W. Posner, Simon R. Lancaster-Larocque, Alex J. Lehmann
  • Patent number: 12217652
    Abstract: A display module (10), including a drive IC (11) and a power management IC (12). The power management IC (12) comprises a first identification pin (121); the first identification pin (121) is connected to the drive IC (11); under the condition that the power management IC (12) is turned on, the power management IC (12) transmits identification information to the drive IC (11) by means of the first identification pin (121), so that the drive IC (11) identifies the power management IC (12) and is paired with the power management IC (12). A control method, a control apparatus (200), an electronic device (100) and a computer readable storage medium (40).
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: February 4, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chang Zhang, Yong Yu, Yuanyuan Chai
  • Publication number: 20250030420
    Abstract: Disclosed herein is an input device having adjustable input mechanisms. The input mechanisms of the input device may be dynamically adjusted based on one or more input characteristics associated with a user. Accordingly, the input device may be customized to fit a user's input preferences.
    Type: Application
    Filed: June 14, 2022
    Publication date: January 23, 2025
    Inventors: Paul X. Wang, John C. DiFonzo, Dayu Qu, Zheng Gao, Chang Zhang
  • Publication number: 20250006633
    Abstract: Embodiments of the present disclosure relate to an interconnect package, a method of forming the interconnect package, and a power module. The interconnect package includes a first insulating layer, a source connecting portion disposed on a surface of the first insulating layer and adapted to electrically connect a source pad to a substrate, a second insulating layer, and a gate connecting portion disposed between the first insulating layer and the second insulating layer and adapted to electrically connect a gate pad to the substrate.
    Type: Application
    Filed: June 25, 2024
    Publication date: January 2, 2025
    Applicant: Shenzhen STS Microelectronics Co. Ltd
    Inventors: Qiao CHEN, Nan Nan ZHENG, Zhi Chang ZHANG
  • Publication number: 20240411389
    Abstract: A laptop computer includes a display portion comprising a primary display and a base portion coupled to the display portion. The base portion includes a keyboard and a light-transmissive cover defining a first touch-sensitive input region along a first side of the keyboard and a second touch-sensitive input region along a second side of the keyboard. The base portion also includes a first display under the first touch-sensitive input region and a second display under the second touch-sensitive input region.
    Type: Application
    Filed: August 19, 2024
    Publication date: December 12, 2024
    Inventor: Chang Zhang
  • Patent number: 12164335
    Abstract: A display apparatus and an electronic device. The display apparatus includes a flexible display panel, a plurality of driver integrated circuits, a logic board, and a circuit board. The driver integrated circuits are disposed on a first surface of the flexible display panel and on a peripheral region; and the circuit boards is electrically connected to the driver integrated circuits and the logic board, respectively. A first bendable section of the circuit board is configured to be bent to a second surface of the flexible display panel along a first side edge; a second bendable section of the circuit board is configured to be bent at a side where the second surface is disposed, such that the logic board protrudes from the first side edge; and a third bendable section of the circuit board is configured to bypass a hinge shaft of the electronic device.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: December 10, 2024
    Assignees: BEIJING BOE TECHNOLOGY DEVELPOMENT CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Weihong Wu, Shuang Zhang, Yong Yu, Chang Zhang
  • Publication number: 20240397626
    Abstract: A display panel and a display apparatus. The display panel includes a display substrate, a first printed circuit board and a second printed circuit board, wherein the display substrate includes a display area and a bonding area located on a side of the display area, the bonding area is connected with the first printed circuit board through a first flexible printed circuit, and the first printed circuit board is connected with the second printed circuit board through a second flexible printed circuit; and the first printed circuit board is a wiring circuit board mounted with a signal connection line, the second printed circuit board is a drive circuit board mounted with a drive chip, and an orthographic projection of the second printed circuit board on a plane of the display panel does not overlap with an orthographic projection of the display substrate on the plane of the display panel.
    Type: Application
    Filed: November 24, 2021
    Publication date: November 28, 2024
    Inventors: Jiaqin ZHANG, Chang ZHANG, Chuanyan LAN, Qun JIA, Yong YU, Yongle WANG
  • Patent number: 12147605
    Abstract: A portable computer includes a display portion comprising a display and a base portion pivotally coupled to the display portion. The base portion may include a bottom case and a top case, formed from a dielectric material, coupled to the bottom case. The top case may include a top member defining a top surface of the base portion and a sidewall integrally formed with the top member and defining a side surface of the base portion. The portable computer may also include a sensing system including a first sensing system configured to determine a location of a touch input applied to the top surface of the base portion and a second sensing system configured to determine a force of the touch input.
    Type: Grant
    Filed: June 20, 2023
    Date of Patent: November 19, 2024
    Assignee: APPLE INC.
    Inventors: Christiaan A. Ligtenberg, Brett W. Degner, Ron A. Hopkinson, Asif Hussain, Dinesh C. Mathew, Mikael M. Silvanto, Chang Zhang, Zheng Gao, Robert Y. Cao, Keith J. Hendren, Bryan W. Posner, Simon R. Lancaster-Larocque, Alex J. Lehmann
  • Publication number: 20240338093
    Abstract: The embodiments of the present disclosure provide a chip on flex (COF), a touch assembly, and a display device. The chip on flex includes a flexible base provided with a first opening, the flexible base includes a bonding area provided with a plurality of metal bonding pads; on the flexible base, a spacing area with a preset range is provided between the first opening and the bonding area; wherein, the flexible base is provided with a reinforcement sheet thereon, the reinforcement sheet is located on a portion of the flexible base other than the first opening, the spacing area and the bonding area.
    Type: Application
    Filed: June 19, 2024
    Publication date: October 10, 2024
    Inventors: Xuerui GONG, Jiangsheng WANG, Yong YU, Chang ZHANG
  • Patent number: 12099772
    Abstract: The present disclosure generally relates to engaging in cross device interactions. The method includes at a first device with a first display, while a second device having a second display is placed over a first region of the first display, detecting, via input devices of the first device, a first input. In response to detecting the first input and in accordance with a determination that the first input occurred while focus was directed to the second device, the method includes causing a response to the first input to be displayed on the second display. In response to detecting the first input and in accordance with a determination that the first input occurred while focus was directed to the first device, the method includes displaying, on the first display, a response to the first input without causing a response to the first input to be displayed on the second display.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: September 24, 2024
    Assignee: Apple Inc.
    Inventors: Tianjia Sun, Chang Zhang, Paul X. Wang, Aaron Wang
  • Patent number: 12067177
    Abstract: A laptop computer includes a display portion comprising a primary display and a base portion coupled to the display portion. The base portion includes a keyboard and a light-transmissive cover defining a first touch-sensitive input region along a first side of the keyboard and a second touch-sensitive input region along a second side of the keyboard. The base portion also includes a first display under the first touch-sensitive input region and a second display under the second touch-sensitive input region.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: August 20, 2024
    Assignee: APPLE INC.
    Inventor: Chang Zhang
  • Patent number: 12057063
    Abstract: A pixel circuit includes a driving circuit, an energy storage circuit, a first control circuit, a first reset circuit and a data writing-in circuit; the first control circuit is configured to control to connect the second node and a first terminal of the driving circuit under the control of a light-emitting control signal; the first reset circuit is configured to write a reference voltage into the second node under the control of a first reset control signal; the data writing-in circuit is configured to write a data voltage into the first terminal of the driving circuit under the control of a scan signal; the driving circuit is configured to control to connect the first terminal of the driving circuit and the second terminal of the driving circuit under the control of the control terminal of the driving circuit.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: August 6, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chuanyong Li, Teng Chen, Hui Lu, Yong Yu, Chang Zhang
  • Patent number: 12045414
    Abstract: The embodiments of the present disclosure provide a chip on flex (COF), a touch assembly, and a display device. The chip on flex includes a flexible base provided with a first opening, the flexible base includes a bonding area provided with a plurality of metal bonding pads; on the flexible base, a spacing area with a preset range is provided between the first opening and the bonding area; wherein, the flexible base is provided with a reinforcement sheet thereon, the reinforcement sheet is located on a portion of the flexible base other than the first opening, the spacing area and the bonding area.
    Type: Grant
    Filed: May 23, 2023
    Date of Patent: July 23, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuerui Gong, Jiangsheng Wang, Yong Yu, Chang Zhang
  • Patent number: 12048096
    Abstract: Embodiments of the application provide a printed circuit board, a display module, a display device and a method of bonding the printed circuit board to a display screen. The printed circuit board includes a plurality of sub-circuit boards and a flexible connector between adjacent sub-circuit boards of the plurality of sub-circuit boards. The flexible connector is configured to connect the adjacent sub-circuit boards of the plurality of sub-circuit boards with each other. For the printed circuit board provided in the embodiments of the application, each sub-circuit board of the printed circuit board can be bonded independently, thereby avoiding pitch accumulation in the bonding region and thus controlling the total pitch within a satisfactory range.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: July 23, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hao Sun, Yong Yu, Chang Zhang, Ge Sun
  • Publication number: 20240212593
    Abstract: A pixel circuit includes a driving circuit, an energy storage circuit, a first control circuit, a first reset circuit and a data writing-in circuit; the first control circuit is configured to control to connect the second node and a first terminal of the driving circuit under the control of a light-emitting control signal; the first reset circuit is configured to write a reference voltage into the second node under the control of a first reset control signal; the data writing-in circuit is configured to write a data voltage into the first terminal of the driving circuit under the control of a scan signal; the driving circuit is configured to control to connect the first terminal of the driving circuit and the second terminal of the driving circuit under the control of the control terminal of the driving circuit.
    Type: Application
    Filed: August 24, 2021
    Publication date: June 27, 2024
    Inventors: Chuanyong LI, Teng CHEN, Hui LU, Yong YU, Chang ZHANG
  • Publication number: 20240184327
    Abstract: A foldable display device and a method for driving the same are provided. The foldable display device comprises a display panel, at least one capacitive sensor and at least one detection circuit, wherein the display panel comprises at least one bending area configured for bending, the capacitive sensor comprises a first electrode structure and a second electrode structure configured to form a sensing capacitor, and the detection circuit is connected to the first electrode structure and the second electrode structure, respectively, and is configured to detect a capacitance value of the sensing capacitor and obtain a bending angle of the foldable display device according to the capacitance value or a capacitance change amount of the sensing capacitor.
    Type: Application
    Filed: August 10, 2021
    Publication date: June 6, 2024
    Inventors: Jiaqin ZHANG, Chang ZHANG, Yong YU
  • Patent number: 11965257
    Abstract: A method for preparing a COF-protected electrode and an electrode are provided. The method includes mixing an organic framework, a small molecular organic acid and a solvent, adding a polar aqueous solution containing a substrate thereto, mixing the above uniformly and heating the system at a low temperature under an inert atmosphere, filtering the solution to obtain precipitates, washing and drying the precipitates to obtain a COF film grown on a surface of the substrate; coating a protective layer on the COF film to obtain a substrate/COF/protective layer film; etching off the substrate to obtain a COF/protective layer film; and transferring the COF/protective layer film to a surface of the electrode, and removing the protective layer.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: April 23, 2024
    Assignee: Huaneng Clean Energy Research Institute
    Inventors: Chang Zhang, Jinyi Wang, Zhibo Ren, Pengjie Wang, Xianming Xu, Huan Zhang