Patents by Inventor Xiaofeng Zhang

Xiaofeng 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).

  • Publication number: 20220334424
    Abstract: A display panel includes a display region and a photoelectric sensing region, a plurality of spacer, a plurality of first support pillars, a plurality of second support pillars, and a plurality of third support pillars. The display region is located outside the photoelectric sensing region; and the photoelectric sensing region includes a light transmitting region and a frame area surrounding the light transmitting region, and the frame region includes: a first region, a second region, and a third region. The plurality of the spacers are arranged in an array, and located within the display region, but not located within the light transmitting region. The plurality of the first support pillars are located within the first region. The plurality of the second support pillars are located within the second region. The plurality of the third support pillars are located within the third region.
    Type: Application
    Filed: December 30, 2020
    Publication date: October 20, 2022
    Inventors: Kai CHEN, Yanqing CHEN, Ruichao LIU, Jie TONG, Xiaofeng ZHANG, Weida QIN, Ning WANG, Yan WANG, Wei LI, Haoyi XIN
  • Publication number: 20220276528
    Abstract: Provided are a display panel, a preparation method thereof, and a display apparatus. The display panel includes a first substrate and a second substrate disposed oppositely, and a liquid crystal layer sandwiched between the first substrate and the second substrate, wherein the first substrate includes a black matrix layer and a color filter layer which are sequentially disposed on a first base substrate; at least one of the first substrate and the second substrate further includes a spacer; and the black matrix layer includes at least one first black matrix, and an orthographic projection of each first black matrix on the first base substrate covers an orthographic projection of the spacer on the first base substrate.
    Type: Application
    Filed: October 25, 2021
    Publication date: September 1, 2022
    Inventors: Zhao ZHANG, Yanqing CHEN, Wei LI, Weida QIN, Kai CHEN, Jiguo WANG, Wei YAN, Xiaofeng ZHANG, Zeliang LI, Jian ZHANG, Zhen WANG
  • Publication number: 20220247057
    Abstract: This application relates to the field of communications component technologies, and provides a band-stop filter and an electronic device. The band-stop filter includes: a waveguide transmission line, configured to transmit electromagnetic waves; and a plurality of dielectric resonance units, sequentially arranged along an extension track of the waveguide transmission line, and configured to be coupled to the waveguide transmission line, where the dielectric resonance units each include at least one dielectric resonator; the dielectric resonator includes a first dielectric block and a first conductive layer covering an outer surface of the first dielectric block; and a first surface of the first dielectric block has a blind hole, and the first conductive layer covers an inner surface of the blind hole; where a dielectric constant of a material that forms the first dielectric block is greater than 1.
    Type: Application
    Filed: April 22, 2022
    Publication date: August 4, 2022
    Inventors: Yantao LI, Dan LIANG, Xiaofeng ZHANG, Zhiyu LIU
  • Publication number: 20220228718
    Abstract: A battery box, including a box body and an LED lamp string. A circuit board mounting groove and a battery placement groove are disposed in the box body, a power supply source is disposed in the battery placement groove, and a circuit board and a cover plate are disposed in the circuit board mounting groove. A power source terminal seat is disposed at one side of the circuit board, at least two terminal plugholes are disposed in the power source terminal seat, a through-line hole is disposed on a side wall of each of the terminal plugholes facing the box body, a collosol groove is between the through-line hole and the power source terminal seat, power source plug terminals are disposed at one end of the LED lamp string, and the power source plug terminals are correspondingly inserted into the terminal plugholes respectively.
    Type: Application
    Filed: August 23, 2019
    Publication date: July 21, 2022
    Inventors: Xiaofeng ZHANG, Heng Kao
  • Patent number: 11372275
    Abstract: A method of manufacturing a display panel is provided. The method includes: providing a liquid crystal motherboard which includes: a first motherboard, a second motherboard, and a plurality of liquid crystal regions; coating a sealant on a peripheral region of each of the liquid crystal regions of the first motherboard; assembling the second motherboard with the first motherboard and arranging liquid crystal in each of the liquid crystal regions to obtain the liquid crystal motherboard. The coating the sealant on the peripheral region of each of the liquid crystal regions of the first motherboard includes: coating a first sealant on a peripheral region of the central liquid crystal region, and coating a second sealant on a peripheral region of each of the first liquid crystal regions, the first sealant is provided with a first supporting structure, the second sealant is provided with a second supporting structure.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: June 28, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lei Zhang, Pengju Hu, Xiaofeng Zhang, Changquan Wang
  • Patent number: 11374192
    Abstract: The present disclosure provides a flexible transparent electrode, a flexible display panel, related manufacture methods, and a display device. The flexible transparent electrode includes a graphene body and metal nanowires. At least part of the metal nanowires is inserted into the graphene body to form an interpenetrating body structure.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: June 28, 2022
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhao Zhang, Xiaofeng Zhang, Ruichao Liu, Kai Chen, Yanyun Li, Zeliang Li, Xuelu Wang
  • Patent number: 11374286
    Abstract: The present application provides a separator comprising a first porous substrate, a second porous substrate and a first coating layer including a substance that reversibly intercalates and deintercalates lithium and a first inorganic particle, and an electrochemical device, wherein the first coating layer is disposed between the first porous substrate and the second porous substrate. By disposing the first coating layer between the first porous substrate and the second porous substrate, the present application improves the safety performance, rate performance and cycle performance of the electrochemical device.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: June 28, 2022
    Assignee: Ningde Amperex Technology Limited
    Inventors: Xinhui Zhou, Xiaofeng Zhang
  • Publication number: 20220190420
    Abstract: The present invention discloses a cylindrical waterproof battery box, including a box body, a compartment body, and a box cover. One end of the box body is provided with a mounting opening, the compartment body is configured to be mounted into the mounting opening and extend to an inner cavity of the box body, the box cover and the compartment body are assembled to form an external thread assembly portion, an internal thread portion is disposed in the mounting opening, and the external thread assembly portion is configured to be fitted with the internal thread portion.
    Type: Application
    Filed: March 3, 2022
    Publication date: June 16, 2022
    Inventor: Xiaofeng ZHANG
  • Publication number: 20220163841
    Abstract: The present disclosure provides a color filter substrate, including: a base substrate, and a light-shielding pattern on the base substrate and having a plurality of openings to define a plurality of pixel regions, wherein each of the plurality of pixel regions at least includes a color filtering region, and a color filtering layer is filled in each color filtering region, and at least one of the plurality of pixel regions further includes at least one transparent region, each of which is filled with a transparent non-filtering layer. The present disclosure further provides a reflective display panel and a manufacturing method for a color filter substrate.
    Type: Application
    Filed: June 16, 2021
    Publication date: May 26, 2022
    Inventors: Xiaofeng ZHANG, Jianyun XIE, Yanqing CHEN, Jie TONG, Weida QIN, Zhao ZHANG
  • Publication number: 20220113942
    Abstract: A method and circuit for performing multi-layer vector-matrix multiplication operations may include, at a first multiplier-accumulator (MAC) layer, converting a digital input vector using one-bit digital to analog converters (DACs); sequentially performing vector-matrix multiplication operations for the analog DAC signals; and sequentially performing an analog-to-digital (ADC) operation on outputs of the vector-matrix multiplication operations to generate binary partial output vectors. At a second MAC layer, the method and circuit may sequentially receive the binary partial output vectors from the first MAC layer at multi-bit DACs; and sequentially perform vector-matrix multiplication operations to generate a summed binary output for the second MAC layer.
    Type: Application
    Filed: November 7, 2020
    Publication date: April 14, 2022
    Applicant: Applied Materials, Inc.
    Inventors: She-Hwa Yen, Xiaofeng Zhang
  • Publication number: 20220111582
    Abstract: A photo-curable composition for use in additive manufacturing, said composition comprising: a) at least one photocurable monomer or oligomer; b) a photoinitiator for polymerization of the monomer; and, from 0.01 to 1 wt. %, based on the weight of the composition, of c) CNS-derived materials. Following polymerization, the resulting polymerized composition has a volume resistivity no greater than 105 ohm·cm.
    Type: Application
    Filed: September 1, 2021
    Publication date: April 14, 2022
    Inventors: Xiaofeng Zhang, Han Zhang, Sean S. Sullivan, Limeng Chen, Angelica M. Sanchez Garcia, Agathagelos Kyrlidis, Tushar Shah, Yakov E. Kutsovsky, Darragh Fitzpatrick, Rachel Hersee, Pablo Walter
  • Publication number: 20220114233
    Abstract: A method and circuit for performing vector-matrix multiplication may include converting an input vector of binary-encoded values into analog signals using one-bit DACs, and sequentially performing a vector-matrix multiplication operation for each bit-order. The method may also include, for each sequentially performed operation, operating a switch that corresponds to a current bit-order. Operating the switch may cause a value corresponding to an output of the multiplier to be stored on a capacitor corresponding to the current bit-order. A time interval during which the switch is operated may be non-uniform with respect to time intervals for other switches, and the time interval may be based at least in part on a settling time of the capacitor. The method may also include performing a bit-order weighted summation of values stored on the plurality of capacitors to generate a result of the vector-matrix multiplication.
    Type: Application
    Filed: November 7, 2020
    Publication date: April 14, 2022
    Applicant: Applied Materials, Inc.
    Inventors: Xiaofeng Zhang, She-Hwa Yen
  • Publication number: 20220113941
    Abstract: A method for performing vector-matrix multiplication may include converting a digital input vector comprising a plurality of binary-encoded values into a plurality of analog signals using a plurality of one-bit digital to analog converters (DACs); sequentially performing, using an analog vector matrix multiplier and based on bit-order, vector-matrix multiplication operations using a weighting matrix for the plurality of analog signals to generate analog outputs of the analog vector matrix multiplier; sequentially performing an analog-to-digital (ADC) operation on the analog outputs of the analog vector matrix multiplier to generate binary partial output vectors; and combining the binary partial output vectors to generate a result of the vector-matrix multiplication.
    Type: Application
    Filed: November 7, 2020
    Publication date: April 14, 2022
    Applicant: Applied Materials, Inc.
    Inventors: Xiaofeng Zhang, She-Hwa Yen
  • Patent number: 11256127
    Abstract: A display substrate, a display panel and a display device are provided. The display substrate includes a plurality of pixel groups arranged in a first direction. Each pixel group at least includes a first pixel column and a second pixel column arranged sequentially along the first direction. The first pixel column includes one first display pixel or a plurality of first display pixels arranged in a second direction interesting with the first direction. The second pixel column includes one second display pixel or a plurality of second display pixels arranged in the second direction. The outline of the display area of the display substrate includes a first outline section not parallel to either the second direction or the first direction.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: February 22, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Yan Wang, Xuelu Wang, Huilian Wang, Jie Tong, Peimao Li, Kai Chen, Xiaofeng Zhang, Ruichao Liu, Dongdong Song, Wei Wei, Tianhui Liu
  • Patent number: 11234062
    Abstract: This application provides an uplink access method and a device. The method includes: a network device receiving indication information sent by a terminal device when the terminal device goes online, where the indication information is used to trigger the network device to send uplink registration window indication information on a first port; the uplink registration window indication information indicates a registration window location at which the terminal device sends uplink registration information; and the network device sends the uplink registration window indication information on the first port according to the indication information. According to the technical solutions provided in embodiments of this application, in a P2MP working mode, a network device may be prevented from periodically indicating a registration window, thereby reducing resource overhead and power consumption.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: January 25, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventor: Xiaofeng Zhang
  • Publication number: 20210382343
    Abstract: A method of manufacturing a display panel is provided. The method includes: providing a liquid crystal motherboard which, includes: a first motherboard, a second motherboard, and a plurality of liquid crystal regions; coating a sealant on a peripheral region of each of the liquid crystal regions of the first motherboard; assembling the second motherboard with the first motherboard and arranging liquid crystal in each of the liquid crystal regions to obtain the liquid crystal motherboard. The coating the sealant on the peripheral region of each of the liquid crystal regions of the first motherboard includes: coating a first sealant on a peripheral region of the central liquid crystal region, and coating a second sealant on a peripheral region of each of the first liquid crystal regions, the first sealant is provided with a first supporting structure, the second sealant is provided with a second supporting structure.
    Type: Application
    Filed: August 31, 2018
    Publication date: December 9, 2021
    Inventors: Lei ZHANG, Pengju HU, Xiaofeng ZHANG, Changquan WANG
  • Publication number: 20210384454
    Abstract: An electron transport layer includes a first electron transport film and a second electron transport film. The second electron transport film is disposed at a side of the first electron transport film and is stacked with the first electron transport film. An energy level of a conduction band of a material included in the second electron transport film is greater than an energy level of a conduction band of a material included in the first electron transport film, and the energy level of the conduction band of the material included in the second electron transport film is less than an energy level of a conduction band of a material included in the light-emitting layer.
    Type: Application
    Filed: December 25, 2019
    Publication date: December 9, 2021
    Inventors: Zhao ZHANG, Ruichao LIU, Xiaofeng ZHANG, Xuelu WANG
  • Publication number: 20210365487
    Abstract: The present disclosure discloses a word library management method and an apparatus for an input method including: firstly parsing information about answers to examination questions to form a masked entry library, and according to the masked entry library, performing operations on word libraries of an input method installed on a terminal device, the operations including transversing information about entries in each word library of the input method, and deleting entries that need to be masked, so that a normal examination or test can be carried out on a common terminal device without the need of preparing a dedicated terminal device or using a dedicated input method, which can prevent the result of the examination or test from being affected due to the word libraries and will neither affect the input of other characters during the examination nor affect the normal use of the terminal device and the input method.
    Type: Application
    Filed: October 10, 2017
    Publication date: November 25, 2021
    Inventors: Yingzhu CHEN, Kaipeng ZHANG, Xiaofeng ZHANG
  • Patent number: 11170050
    Abstract: Disclosed are a method and a device for graph data quality verification, which can perform quality verification of the graph data to be processed before importing the graph data to be processed to the target graph database, thereby avoiding generating a target list based on the graph data to be processed with errors. By determining whether there is an outlier in the target list, the abnormal graph data in the graph data to be processed can be detected to ensure the correctness of the graph data to be processed imported into the target graph database. By generating a graph data quality report, it is possible to verify whether the graph data to be processed has errors during the import process.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: November 9, 2021
    Assignee: Shanghai IceKredit, Inc.
    Inventors: Lingyun Gu, Zhipan Guo, Wei Wang, Haiquan Li, Xiaofeng Zhang
  • Publication number: 20210328315
    Abstract: A dielectric filter, a duplexer, and a communications device are provided. The dielectric filter includes a dielectric body, and a wideband filtering structure and a narrowband filtering structure that are disposed in the dielectric body. The wideband filtering structure includes a groove disposed on a first surface of the dielectric body and configured to adjust a frequency position of a passband of the wideband filtering structure; and at least one first resonator including a through hole penetrating the bottom of the groove and a second surface of the dielectric body; and an open loop located on a bottom surface of the groove and is disposed around an opening of the through hole. The narrowband filtering structure includes at least one second resonator including a blind hole disposed on the second surface of the dielectric body. The first surface and the second surface of the dielectric body are disposed oppositely.
    Type: Application
    Filed: June 25, 2021
    Publication date: October 21, 2021
    Inventors: Dan LIANG, Xiaofeng ZHANG, Zheng CUI