Patents by Inventor Chao JIAO

Chao JIAO 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).

  • Publication number: 20240078234
    Abstract: An apparatus, a method, and a storage medium for database pagination. The apparatus, method, and storage medium are configured to perform following processes, including: acquiring a pagination request from a user; determining a query parameter based on the pagination request; determining a corresponding pagination pattern and a request data amount based on the query parameter; determining a target query mode based on the request data amount; generating a query task based on the pagination pattern and the target query mode; obtaining at least one first query result based on the query task; determining a target result set based on the at least one first query result; and paging the target result set based on the pagination pattern and the target query mode to obtain multiple pages of pagination data.
    Type: Application
    Filed: November 21, 2022
    Publication date: March 7, 2024
    Applicant: Starlord (Cayman) Limited
    Inventors: Chao XIE, Xuan YANG, Xiaofan LUAN, Enwei JIAO
  • Patent number: 11900873
    Abstract: This application relates to display panels, methods of driving the same, and display devices. The display panel includes: a first pixel circuit and a demultiplexing circuit. The first pixel circuit includes a first reset circuit, a first data writing circuit, and a first drive circuit. A first terminal of the first reset circuit is connected to a first terminal of the first drive circuit. A second terminal of the first reset circuit is connected to a first multiplexing signal line. A control terminal of the first drive circuit is connected to a first terminal of the first data writing circuit. A second terminal of the first data writing circuit is connected to the first multiplexing signal line. The demultiplexing circuit includes a first control circuit and a second control circuit. A first terminal of the first control circuit is connected to the first multiplexing signal line. A second terminal of the first control circuit is used for receiving a reset signal.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: February 13, 2024
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhidong Yuan, Yongqian Li, Meng Li, Can Yuan, Min He, Chao Jiao
  • Publication number: 20230091012
    Abstract: This application relates to display panels, methods of driving the same, and display devices. The display panel includes: a first pixel circuit and a demultiplexing circuit. The first pixel circuit includes a first reset circuit, a first data writing circuit, and a first drive circuit. A first terminal of the first reset circuit is connected to a first terminal of the first drive circuit. A second terminal of the first reset circuit is connected to a first multiplexing signal line. A control terminal of the first drive circuit is connected to a first terminal of the first data writing circuit. A second terminal of the first data writing circuit is connected to the first multiplexing signal line. The demultiplexing circuit includes a first control circuit and a second control circuit. A first terminal of the first control circuit is connected to the first multiplexing signal line. A second terminal of the first control circuit is used for receiving a reset signal.
    Type: Application
    Filed: February 9, 2021
    Publication date: March 23, 2023
    Inventors: Zhidong YUAN, Yongqian LI, Meng LI, Can YUAN, Min HE, Chao JIAO
  • Patent number: 11424193
    Abstract: Disclosed herein is a substrate of a display panel, comprising: a support; a first alignment mark on the support; a first dielectric layer covering the first alignment mark; an auxiliary alignment mark aligned with the first alignment mark, wherein the auxiliary alignment mark comprises a recess into the first dielectric layer. Further disclosed herein is a display panel comprising the substrate, and a system comprising the display panel. Also disclosed herein is a method comprising: forming a first alignment mark on a support; forming a first dielectric layer covering the first alignment mark; and forming an auxiliary alignment mark aligned with the first alignment mark; wherein the auxiliary alignment mark comprises a recess into the first dielectric layer.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: August 23, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tao Ma, Chao Jiao
  • Patent number: 11288421
    Abstract: Computationally efficient methods of determining a transient supply current in a circuit are disclosed. The methods include offline simulation of circuit models to obtain time series of signal currents which are used in a dynamic simulation to calculate equivalent capacitances for a cell model of the circuit. The equivalent capacitances may be used in the simulation to compute estimates of noise current in a power distribution network.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: March 29, 2022
    Assignee: Ansys, Inc.
    Inventors: Deqi Zhu, Chao Jiao, Yu Lu, Xiaoqin Liu
  • Publication number: 20210366836
    Abstract: Disclosed herein is a substrate of a display panel, comprising: a support; a first alignment mark on the support; a first dielectric layer covering the first alignment mark; an auxiliary alignment mark aligned with the first alignment mark, wherein the auxiliary alignment mark comprises a recess into the first dielectric layer. Further disclosed herein is a display panel comprising the substrate, and a system comprising the display panel. Also disclosed herein is a method comprising: forming a first alignment mark on a support; forming a first dielectric layer covering the first alignment mark; and forming an auxiliary alignment mark aligned with the first alignment mark; wherein the auxiliary alignment mark comprises a recess into the first dielectric layer.
    Type: Application
    Filed: April 10, 2019
    Publication date: November 25, 2021
    Inventors: Tao MA, Chao JIAO
  • Patent number: 11107410
    Abstract: The present disclosure discloses a pixel circuit and a method of controlling the same. The pixel circuit includes: a light-emitting control sub-circuit, configured to transmit a data voltage at a data signal terminal to a first node under control of a first control terminal; a driving sub-circuit, configured to transmit a first power supply voltage at a first power supply terminal VDD to a second node N2 under control of a voltage at the first node; a first sensing sub-circuit, configured to maintain a voltage at the second node to be at a fixed level under control of the first control terminal; a second sensing sub-circuit, configured to transmit the voltage at the second node to a first sensing signal terminal under control of a second control terminal, so that the first sensing signal terminal senses a voltage associated with a threshold voltage of the driving sub-circuit.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: August 31, 2021
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhidong Yuan, Yongqian Li, Can Yuan, Chao Jiao
  • Patent number: 11094253
    Abstract: A pixel driving circuit, array substrate, display device and method for driving the pixel driving circuit are provided, the circuit includes: a control terminal and a first terminal of a driving switch circuit are respectively coupled to a first terminal of a data input switch circuit and an anode of a light-emitting device, and two terminals of a storage capacitor are respectively coupled to the control terminal of the driving switch circuit and the anode of the light-emitting device, two terminals of an intrinsic capacitor are respectively coupled to a cathode and the anode of the light-emitting device, a first terminal and a second terminal of a reset switch circuit are respectively coupled to the anode and the cathode of the light-emitting device, a capacitance of the intrinsic capacitor is greater than or equal to a preset multiple of a capacitance of the storage capacitor.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: August 17, 2021
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhidong Yuan, Taejin Kim, Yongqian Li, Lin Sun, Chao Jiao, Can Yuan, Zehua Ding, Xuehuan Feng, Meng Li
  • Publication number: 20210074210
    Abstract: A pixel driving circuit, array substrate, display device and method for driving the pixel driving circuit are provided, the circuit includes: a control terminal and a first terminal of a driving switch circuit are respectively coupled to a first terminal of a data input switch circuit and an anode of a light-emitting device, and two terminals of a storage capacitor are respectively coupled to the control terminal of the driving switch circuit and the anode of the light-emitting device, two terminals of an intrinsic capacitor are respectively coupled to a cathode and the anode of the light-emitting device, a first terminal and a second terminal of a reset switch circuit are respectively coupled to the anode and the cathode of the light-emitting device, a capacitance of the intrinsic capacitor is greater than or equal to a preset multiple of a capacitance of the storage capacitor.
    Type: Application
    Filed: April 3, 2020
    Publication date: March 11, 2021
    Applicants: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhidong YUAN, Taejin KIM, Yongqian LI, Lin SUN, Chao JIAO, Can YUAN, Zehua DING, Xuehuan FENG, Meng LI
  • Publication number: 20210049964
    Abstract: The present disclosure discloses a pixel circuit and a method of controlling the same. The pixel circuit includes: a light-emitting control sub-circuit, configured to transmit a data voltage at a data signal terminal to a first node under control of a first control terminal; a driving sub-circuit, configured to transmit a first power supply voltage at a first power supply terminal VDD to a second node N2 under control of a voltage at the first node; a first sensing sub-circuit, configured to maintain a voltage at the second node to be at a fixed level under control of the first control terminal; a second sensing sub-circuit, configured to transmit the voltage at the second node to a first sensing signal terminal under control of a second control terminal, so that the first sensing signal terminal senses a voltage associated with a threshold voltage of the driving sub-circuit.
    Type: Application
    Filed: April 23, 2020
    Publication date: February 18, 2021
    Inventors: Zhidong Yuan, Yongqian Li, Can Yuan, Chao Jiao
  • Publication number: 20190058026
    Abstract: The present application provides an array substrate, which includes a base substrate, and a first electrode, a first protection layer, a semiconductor electrode, a second protection layer and a second electrode formed sequentially on the base substrate. The second electrode and the semiconductor electrode constitute a storage capacitor, and the first electrode is below the semiconductor electrode to make the semiconductor electrode conductive. In a direction perpendicular to the base substrate, the thickness of at least a portion of the first protection layer in the first electrode area is less than that of other portions of the first protection layer outside the first electrode area, the first electrode area being an area defined by the projection of the first electrode on the first protection layer.
    Type: Application
    Filed: July 7, 2017
    Publication date: February 21, 2019
    Inventors: Can YUAN, Yongqian LI, Pan XU, Chao JIAO