Patents by Inventor Donghui Wang

Donghui Wang 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: 20220139316
    Abstract: Pixel structure, driving method thereof and display device are disclosed. The pixel structure includes: light-emitting device having first electrode coupled to corresponding first voltage line. Driving chip includes: receiving circuit configured to decode first digital clock signal on first control line in display phase to obtain first address data and light emission data; address storage circuit configured to store reference address data before the display phase; data processing circuit configured to output PWM signal and current control signal corresponding to each light-emitting device according to the light emission data when the first address data is the same as the reference address data; current output circuit configured to output driving current according to the current control signal; and gating circuit configured to sequentially receive the PWM signal corresponding to each light-emitting device and transmit the driving current to the output terminal when the PWM signal is in active-level state.
    Type: Application
    Filed: March 30, 2020
    Publication date: May 5, 2022
    Inventors: Hong LIU, Qibing GU, Lingyun SHI, Ming CHEN, Xiurong WANG, Guofeng HU, Mingjian YU, Donghui WANG
  • Patent number: 11308844
    Abstract: A multi-primary color conversion method is provided to include: establishing a spatial gamut model of a display panel; determining a target peripheral surface corresponding to the target color according to the color coordinates of the target color and color coordinates of a color corresponding to each vertex of each peripheral surface; obtaining reference gray scales of a part of primary colors of the target color according to gray scales of the primary colors of a color corresponding to each vertex of the target peripheral surface; obtaining reference gray scales of the rest primary colors of the target color and a reference luminance of the target color; and respectively converting the reference gray scales of the plurality of primary colors of the target color into target gray scales according to a proportional relationship between the reference luminance and the target luminance of the target color.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: April 19, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanhui Xi, Bin Dai, Xiaomang Zhang, Haijun Niu, Kuanjun Peng, Xiaolong Li, Donghui Wang, Yan Sun
  • Patent number: 11295666
    Abstract: The present application discloses a method for driving a pixel circuit. The method includes initializing a voltage setting in a pixel circuit including at least a driving transistor coupled to a light-emitting device and obtaining a first threshold voltage of the driving transistor. The method further includes inputting a first data voltage to the pixel circuit to generate a first driving current independent of the first threshold voltage, to drive light emission of the light-emitting device in a current cycle. Additionally, the method includes generating a compensation voltage via a feedback sub-circuit based on a change of the first driving current upon a second threshold voltage of the light-emitting device. Furthermore, the method includes inputting a second data voltage combined with the compensation voltage as a negative feedback to generate a second driving current to drive light emission of the light-emitting device in a next cycle.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: April 5, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Ran Jiang, Hai Kang, Donghui Wang, Chengchen Yan, Shengfei Ma
  • Patent number: 11282425
    Abstract: The present disclosure discloses a source driving circuit and a display panel. The source driving circuit includes a plurality of driving sub-circuits, and each of the plurality of driving sub-circuits includes: a driver, including a plurality of source channels; a plurality of switches, first terminals of the plurality of switches are electrically connected to a plurality of data lines of a display panel in one-to-one correspondence, wherein each of the plurality of source channels is electrically connected to second terminals of at least two of the plurality of switches; and a control line, electrically connected to control terminals of the plurality of switches. Sub-pixels corresponding to data lines that are electrically connected to a same source channel through the switches have the same polarity and the same color.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: March 22, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Donghui Wang, Hong Wang, Lijun Yuan, Yanhui Xi, Haoliang Zheng, Yuxin Bi
  • Patent number: 11217172
    Abstract: A pixel circuit and driving method thereof, a display device are provided, and the pixel circuit includes a switching sub-circuit, a threshold voltage extraction sub-circuit, an initialization sub-circuit, a feedback compensation sub-circuit, a driving transistor and a light emitting device. The threshold voltage extraction sub-circuit is coupled to a control electrode of the driving transistor, and configured to extract and store a threshold voltage of the driving transistor in response to an enable signal and configured to apply the threshold voltage and a data voltage written by the switching sub-circuit to the control electrode of the driving transistor. The feedback compensation sub-circuit is coupled to a second terminal of the light emitting device and a data line, and configured to generate a data voltage compensation signal for a next display image frame according to an operating current of the light emitting device and supply it to the data line. (FIG. 1).
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: January 4, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ran Jiang, Hai Kang, Donghui Wang, Yongquan Lu, Yunyun Zhang
  • Publication number: 20210344714
    Abstract: This application discloses a cyber threat deception method and system, and a forwarding device. The forwarding device obtains a deception target set, where the deception target set includes a deception target, and the deception target includes an unused internet protocol (IP) address or an unopened port number on a used IP address. The forwarding device receives an IP packet from a host, and determines whether a destination party that the IP packet requests to access belongs to the deception target set. If the destination party that the IP packet requests to access belongs to the deception target set, the forwarding device sends the IP packet to a honeypot management server. The forwarding device receives a response packet, returned by the honeypot management server, of the corresponding IP packet. The forwarding device sends the response packet to the host.
    Type: Application
    Filed: July 7, 2021
    Publication date: November 4, 2021
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Huazhi Yang, Donghui Wang
  • Publication number: 20210335184
    Abstract: A multi-primary color conversion method is provided to include: establishing a spatial gamut model of a display panel; determining a target peripheral surface corresponding to the target color according to the color coordinates of the target color and color coordinates of a color corresponding to each vertex of each peripheral surface; obtaining reference gray scales of a part of primary colors of the target color according to gray scales of the primary colors of a color corresponding to each vertex of the target peripheral surface; obtaining reference gray scales of the rest primary colors of the target color and a reference luminance of the target color; and respectively converting the reference gray scales of the plurality of primary colors of the target color into target gray scales according to a proportional relationship between the reference luminance and the target luminance of the target color.
    Type: Application
    Filed: November 13, 2018
    Publication date: October 28, 2021
    Inventors: Yanhui XI, Bin DAI, Xiaomang ZHANG, Haijun NIU, Kuanjun PENG, Xiaolong LI, Donghui WANG, Yan SUN
  • Publication number: 20210335232
    Abstract: The present application discloses a method for driving a pixel circuit. The method includes initializing a voltage setting in a pixel circuit including at least a driving transistor coupled to a light-emitting device and obtaining a first threshold voltage of the driving transistor. The method further includes inputting a first data voltage to the pixel circuit to generate a first driving current independent of the first threshold voltage, to drive light emission of the light-emitting device in a current cycle. Additionally, the method includes generating a compensation voltage via a feedback sub-circuit based on a change of the first driving current upon a second threshold voltage of the light-emitting device. Furthermore, the method includes inputting a second data voltage combined with the compensation voltage as a negative feedback to generate a second driving current to drive light emission of the light-emitting device in a next cycle.
    Type: Application
    Filed: August 16, 2018
    Publication date: October 28, 2021
    Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Ran Jiang, Hai Kang, Donghui Wang, Chengchen Yan, Shengfei Ma
  • Publication number: 20210211359
    Abstract: A software defined network (SDN) system, controller, and controlling method, where the SDN system includes at least one Nth level controller and at least two (N+1)th level controllers belonging to the Nth level controller, where the (N+1)th level controller is configured to receive a first message sent by a node belonging to the (N+1)th level controller, and when the first message is a cross-domain message according to status information of each node that is managed by the (N+1)th level controller, forward the first message to the Nth level controller to which the (N+1)th level controller belongs, and the Nth level controller receives the first message, and perform decision processing according to status information of the (N+1)th level controller that is managed by and belongs to the Nth level controller and status information of boundary nodes of the (N+1)th level controller belonging to the Nth level controller.
    Type: Application
    Filed: March 18, 2021
    Publication date: July 8, 2021
    Inventors: Donghui Wang, Jinming Li
  • Publication number: 20210142728
    Abstract: A pixel circuit and driving method thereof, a display device are provided, and the pixel circuit includes a switching sub-circuit, a threshold voltage extraction sub-circuit, an initialization sub-circuit, a feedback compensation sub-circuit, a driving transistor and a light emitting device. The threshold voltage extraction sub-circuit is coupled to a control electrode of the driving transistor, and configured to extract and store a threshold voltage of the driving transistor in response to an enable signal and configured to apply the threshold voltage and a data voltage written by the switching sub-circuit to the control electrode of the driving transistor. The feedback compensation sub-circuit is coupled to a second terminal of the light emitting device and a data line, and configured to generate a data voltage compensation signal for a next display image frame according to an operating current of the light emitting device and supply it to the data line. (FIG. 1).
    Type: Application
    Filed: May 31, 2019
    Publication date: May 13, 2021
    Inventors: Ran JIANG, Hai KANG, Donghui WANG, Yongquan LU, Yunyun ZHANG
  • Publication number: 20210131426
    Abstract: A plunger pump includes: a motor; a bracket attached to the motor; a holding member fixed to the bracket; a plunger extending in a axial direction; a pump head holding the plunger such that the plunger is capable of rotating and reciprocating in the axial direction; and a joint mechanism for converting rotation of the motor into rotation and reciprocation of the plunger, wherein the holding member includes first and second plate members each formed into a flat plate shape, and the first and second plate members are parallel to each other so as to sandwich the pump head.
    Type: Application
    Filed: August 27, 2020
    Publication date: May 6, 2021
    Applicant: SHINANO KENSHI CO., LTD.
    Inventor: Donghui WANG
  • Publication number: 20210131538
    Abstract: A lead screw device includes: a lead screw; and a motor that rotates the lead screw, wherein the motor includes: a hollow shaft fitted onto a part of an outer circumference of the lead screw; and a rotor core fitted onto a part of the outer circumference of the hollow shaft.
    Type: Application
    Filed: August 31, 2020
    Publication date: May 6, 2021
    Applicant: SHINANO KENSHI CO., LTD.
    Inventor: Donghui WANG
  • Publication number: 20210126990
    Abstract: A data transmission method, device, and system are provided. The method includes: receiving a first data packet sent by an external network device; verifying an authentication header (AH) packet header of the first data packet by using a first security association (SA); and sending the first data packet to an internet of things (IoT) device if the verification succeeds. According to the embodiments of this application, storage overheads and computational overheads of the IoT device in internet of things can be reduced, to implement end-to-end secure communication between the IoT device and the external network device, and improve security of a communications system.
    Type: Application
    Filed: December 31, 2020
    Publication date: April 29, 2021
    Inventors: Donghui WANG, Hongpei LI
  • Patent number: 10972357
    Abstract: A software defined network (SDN) system, controller, and controlling method, where the SDN system includes at least one Nth level controller and at least two (N+1)th level controllers belonging to the Nth level controller, where the (N+1)th level controller is configured to receive a first message sent by a node belonging to the (N+1)th level controller, and when the first message is a cross-domain message according to status information of each node that is managed by the (N+1)th level controller, forward the first message to the Nth level controller to which the (N+1)th level controller belongs, and the Nth level controller receives the first message, and perform decision processing according to status information of the (N+1)th level controller that is managed by and belongs to the Nth level controller and status information of boundary nodes of the (N+1)th level controller belonging to the Nth level controller.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: April 6, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Donghui Wang, Jinming Li
  • Publication number: 20210088828
    Abstract: The present disclosure discloses a display panel and a method for manufacturing the same, a bonding method, and a display device. The display panel is provided with a bonding area and includes a bonding structure in the bonding area, and the bonding structure is provided with a through hole penetrating along a thickness direction of the bonding structure. The present disclosure helps to improve the bonding efficiency between the display panel and a flexible printed circuit.
    Type: Application
    Filed: June 5, 2020
    Publication date: March 25, 2021
    Inventors: Qiangwei Cui, Lili Wang, Ke Meng, Chao Liu, Chuhang Wang, Linhui Gong, Zhaohui Li, Donghui Wang
  • Publication number: 20210075672
    Abstract: This application discloses a method and an apparatus for configuring a network device, and a storage medium, and belongs to the field of data transmission technologies. The method includes: determining, in a plurality of terminal groups based on a packet receiving and sending characteristic of a target terminal, a target terminal group to which the target terminal belongs, where the packet receiving and sending characteristic is determined based on a plurality of packets received and sent by the target terminal, and the plurality of terminal groups are in a one-to-one correspondence with a plurality of configurations; and configuring a to-be-configured network device based on a target configuration corresponding to the target terminal group, where the to-be-configured network device is a network device that forwards the plurality of packets. This application effectively reduces workload in a configuration process. This application is used to configure the network device.
    Type: Application
    Filed: November 20, 2020
    Publication date: March 11, 2021
    Inventors: Ping WU, Donghui WANG
  • Patent number: 10917437
    Abstract: Conflict detection and resolution methods and apparatuses relate to the field of communications technologies. The conflict detection method includes: acquiring, by a controller, a flow path of a data flow on a network, where the flow path is used to indicate a path along which the data flow reaches an address in a destination address range from an address in a source address range through at least two intermediate nodes on the network, a first flow table rule is added to or deleted from flow tables of the at least two intermediate nodes, and the first flow table rule is any flow table rule; and determining, by the controller, whether a conflict exists according to an address range of the flow path and an address range of a security policy.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: February 9, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jinming Li, Donghui Wang
  • Patent number: 10909943
    Abstract: Provided are a gate drive circuit and a driving method thereof, a display panel and a display device. The gate drive circuit includes a first sub-circuit group and a second sub-circuit group. The first sub-circuit group can drive the mth row to the first row of pixels of the N rows of pixels in the display panel row by row, and the second sub-circuit group can drive the (m+1)th row to the Nth row of pixels row by row. In addition, m is greater than 1 and less than N.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: February 2, 2021
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Guofeng Hu, Yankai Gao, Hong Liu, Yuxin Bi, Yanhui Xi, Bin Dai, Mingjian Yu, Hong Wang, Donghui Wang
  • Patent number: 10896635
    Abstract: Disclosed is a primary color conversion method, which may expand primary color signals that are applicable to a display device. The primary color conversion method includes: acquiring color coordinates and a brightness value of a first color in a first color gamut having M primary colors according to gray-scale values of the M primary colors corresponding to the first color; and mapping the color coordinates and the luminance value of the first color in the first color gamut to color coordinates and a brightness value of a second color corresponding to the first color in a second color gamut having N primary colors. 3?M, 3?N, M is different from N, and M and N are positive integers.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: January 19, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanhui Xi, Bin Dai, Xiaomang Zhang, Yan Sun, Kuanjun Peng, Haijun Niu, Xiaolong Li, Donghui Wang
  • Patent number: 10883146
    Abstract: Biomarkers and methods for predicting risk of a disease in particular RA are provided. Sequences of DNA are obtained. The DNA may be extracted from a sample that is collected from a subject. A relative abundance of a biomarker is then calculated based on the sequences of the DNA. The biomarker comprises a DNA sequence in a genome of Lactobacillus salivarius. A probability of the subject having the disease is obtained based on the relative abundance.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: January 5, 2021
    Assignee: BGI SHENZHEN
    Inventors: Qiang Feng, Dongya Zhang, Huijue Jia, Donghui Wang, Jun Wang