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).

  • Patent number: 11587506
    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: Grant
    Filed: March 30, 2020
    Date of Patent: February 21, 2023
    Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hong Liu, Qibing Gu, Lingyun Shi, Ming Chen, Xiurong Wang, Guofeng Hu, Mingjian Yu, Donghui Wang
  • Publication number: 20220405655
    Abstract: A contribution identification method for noise at a boundary of an urban substation in the present disclosure includes the following steps: describing site elements and surrounding environmental elements of an urban substation; measuring and recording a background noise value at each boundary of the urban substation; determining an orientation of a specific sound source of the urban substation, and setting a corresponding measurement point at each boundary of the urban substation; obtaining a spectrum of each specific sound source; analyzing a contribution of each intra-substation sound source of the urban substation to noise at the boundary of the substation; analyzing a noise level of each sound source measurement point in the urban substation; recording measured data during noise measurement, and correcting a noise measurement result; and generating a test report.
    Type: Application
    Filed: August 24, 2022
    Publication date: December 22, 2022
    Applicants: State Grid Henan Electric Power Research Institute, State Grid Corporation of China
    Inventors: Donghui Wang, Guangzhou Wang, Leilei Wang, Songyang Zhang, Zhuangzhuang Zhang, Jiaqi Zhang, Rui Li, Lin Lu, Dong Wang, Han Xiao, Degui Yao
  • Patent number: 11493793
    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: Grant
    Filed: June 5, 2020
    Date of Patent: November 8, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Qiangwei Cui, Lili Wang, Ke Meng, Chao Liu, Chuhang Wang, Linhui Gong, Zhaohui Li, Donghui Wang
  • Publication number: 20220329449
    Abstract: A filtering-based power supply apparatus used in a power sourcing equipment (PSE) includes a power supply control circuit and an adaptive filter circuit. The power supply control circuit includes a power supply channel and a detection module. The power supply channel includes a control switch configured to control on and off of the power supply channel. The detection module is configured to send a detection signal to the power supply channel to detect whether a peer device connected to the power supply channel is a valid powered device. The control switch is turned off in a detection process of the power supply channel. The adaptive filter circuit is configured to filter noise in the detection signal in the detection process of the power supply channel.
    Type: Application
    Filed: June 27, 2022
    Publication date: October 13, 2022
    Inventors: Shiyong Fu, Houcun Zhu, Donghui Wang, Xiangen Xu, Zhaojin Li
  • Patent number: 11463305
    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: Grant
    Filed: November 20, 2020
    Date of Patent: October 4, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Ping Wu, Donghui Wang
  • Publication number: 20220309997
    Abstract: A display panel and a driving method thereof, and a display device. The display panel includes a substrate and a plurality of pixel circuits arranged in an array on the substrate, each of the plurality of pixel circuits includes a pixel driving chip and at least one light-emitting element electrically connected to the pixel driving chip, and the pixel driving chip is configured to receive and store a data signal and drive the at least one light-emitting element to emit light according to the data signal.
    Type: Application
    Filed: September 18, 2020
    Publication date: September 29, 2022
    Applicants: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Guofeng Hu, Qibing Gu, Lingyun Shi, Ming Chen, Xiurong Wang, Wei Hao, Tao Yang, Hong Liu, Mingjian Yu, Donghui Wang, Jing Xue, Yong Zhang, Jian Wang, Jian Lin, Xianglei Qin, Zhichao Yang, Zepeng Sun, Honggui Jin, Yashuai An, Zhilong Duan, Lingfang Nie, Liangzhen Tang, Limin Zhang
  • Patent number: 11388083
    Abstract: This application provides a secure route identification method and an apparatus. A first AS node receives a first message. The first message is used to indicate a target path for reaching a first route prefix, and the target path is used to indicate a first neighboring relationship between AS nodes on the target path. Then, the first AS node determines, based on the first neighboring relationship and neighbor information of an AS node on the target path that is stored in a blockchain, whether a security threat exists on the target path. The neighbor information of the AS node on the target path includes a second neighboring relationship between the AS node on the target path and another AS node.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: July 12, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Donghui Wang, Hongpei Li, Bingyang Liu
  • Patent number: 11346469
    Abstract: A non-penetrating multi-layer continuous hose and a preparation method thereof are provided. The hose includes an outer coating, a reinforcement layer, and an inner coating. The inner coating and the outer coating can have one or more layers with different materials and have an adjustable thickness. The hose is prepared by simultaneously performing extrusion coating inside and outside the reinforcement layer rather than penetrating the fiber reinforcement layer. The hose exhibits improved layer-to-layer adhesion and has high strength, and continuous production can be achieved to meet the length requirement in various kinds of construction, which has high applicability.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: May 31, 2022
    Assignee: 5ELEM HI-TECH CORPORATION
    Inventors: Yuehua Sha, Chundong Gu, Donghui Wang, Wenlin Sha, Zhiyong Sha
  • 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: 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: 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