Patents by Inventor Yanzhao Li

Yanzhao Li 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: 20250141082
    Abstract: A modulation unit includes a base plate, including a substrate, and a metal layer provided on one side of the substrate, the metal layer is provided with a slit; and a driving layer, provided on one side of the base plate, including a polar plate and a driving structure, with a gap between the polar plate and the base plate; wherein the modulation unit includes at least one resonant structure including a slit, a polar plate, and a driving structure; in the same resonant structure, the driving structure is connected to the polar plate for driving the polar plate to move in response to a driving signal, to change a size of an overlap region of an orthographic projection of the polar plate on the base plate and the slit, to adjust a resonant frequency of the resonant structure.
    Type: Application
    Filed: December 6, 2022
    Publication date: May 1, 2025
    Applicants: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Feng Wang, Long Wang, Yanzhao Li
  • Publication number: 20250136434
    Abstract: Embodiments of the present disclosure provide an MEMS switch and an electronic device. The MEMS switch includes: a base substrate; an electrode structure on the base substrate, including a first ground electrode, a signal transmission line, a second ground electrode, a first drive electrode and a third ground electrode which are sequentially arranged on the base substrate at intervals; and a metal beam stretching over the electrode structure, where a first end of the metal beam is electrically connected to the third ground electrode, an orthographic projection of a second end of the metal beam on the base substrate is within an orthographic projection of the signal transmission line on the base substrate, and an orthographic projection of the metal beam on the base substrate is overlapped with an orthographic projection of the first drive electrode on the base substrate.
    Type: Application
    Filed: February 16, 2023
    Publication date: May 1, 2025
    Inventors: Yingli SHI, Yanzhao LI
  • Patent number: 12288649
    Abstract: The disclosure provides a micro-electromechanical system switch and a communication device. The micro-electromechanical system switch includes: a substrate; a DC bias line, arranged on one side of the substrate; a first signal transmission line and a second signal transmission line, arranged on the same side of the substrate as the DC bias line; a cantilever beam, arranged on a side, away from the substrate, of a layer on which the first signal transmission line is located; and a fixing structure, arranged on the side, away from the substrate, of the layer on which the first signal transmission line is located and not in contact with the first signal transmission line, where the fixing structure connects the free end and the substrate.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: April 29, 2025
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yingli Shi, Yanzhao Li
  • Publication number: 20250132747
    Abstract: A MEMS switch includes: a substrate, an anchor point, the first signal line, a first driving electrode, a switch beam, and a second signal line. The anchor point is on the substrate. The first signal line and the first driving electrode are on the substrate, and are arranged on two sides of the anchor point. The second signal line is on a side of the anchor point close to the substrate. The switch beam is connected with the anchor point, and two ends of the switch beam are suspended and on the side of the anchor point away from the substrate, an orthographic projection of the switch beam onto the substrate surface coincides at least partially with the orthographic projection of the first signal line onto the substrate surface, and an orthographic projection of the first driving electrode onto the substrate surface, respectively.
    Type: Application
    Filed: January 17, 2023
    Publication date: April 24, 2025
    Inventors: Yingli SHI, Yanzhao LI
  • Patent number: 12261227
    Abstract: The present disclosure provides a thin film transistor, a display substrate and a display device, and belongs to the field of display technology. The thin film transistor of the present disclosure includes: a base, and a gate, an active layer, a source and a drain located on the base, where the gate includes a first gate and a second gate which are sequentially provided on the base and are electrically connected to each other; the active layer is located between the first gate and the second gate, and orthographic projections of the first gate and the second gate on the base are partially overlapped with an orthographic projection of the active layer on the base, and the orthographic projections of the first gate and the second gate on the base are partially overlapped with each other.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: March 25, 2025
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chenglong Wang, Yezhou Fang, Feng Li, Lei Yao, Lei Yan, Kai Li, Lin Hou, Xiaogang Zhu, Yun Gao, Yanzhao Peng, Teng Ye, Hua Yang
  • Patent number: 12255395
    Abstract: An antenna, a display substrate and a display device are provided in the present disclosure, wherein the antenna includes a first conductive layer (11), a dielectric layer (12) and a second conductive layer (13) which are stacked; the first conductive layer (11) is provided with at least one slot (111); the second conductive layer (13) includes at least one conductive structure (130), the conductive structure (130) is a comb structure, the conductive structure (130) includes a first conductive element (131) and a plurality of second conductive elements (132), the first conductive element (131) constitutes a comb back of the comb structure, and the plurality of second conductive elements (132) constitute comb teeth of the comb structure; at least one conductive structure (130) is disposed corresponding to at least one slot (111).
    Type: Grant
    Filed: January 29, 2022
    Date of Patent: March 18, 2025
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Feng Wang, Tuo Sun, Yanzhao Li, Feng Qu
  • Publication number: 20250074764
    Abstract: A micro-electro-mechanical system and a manufacturing method thereof. The micro-electro-mechanical system includes a comb tooth structure, a spring structure, and an electrode structure. The comb tooth structure includes first comb teeth and second comb teeth arranged alternately. A cantilever beam connecting the second comb teeth is connected to the spring structure; line widths of a first comb tooth and a second comb tooth are 3-7 microns, and are not less than a distance between the adjacent first comb tooth and the second comb tooth a ratio of the length of the first comb tooth to a length of the second comb tooth is 0.7-1.5, a width of the cantilever beam is not less than the line width of the second comb tooth, and thickness of the first comb tooth and a thickness of the second comb tooth are both 300 nanometers to 500 microns.
    Type: Application
    Filed: November 30, 2022
    Publication date: March 6, 2025
    Inventors: Wenbo LI, Hanbing ZHANG, Long WANG, Jindou LIU, Yanzhao LI
  • Patent number: 12222381
    Abstract: The present disclosure provides a thin film sensor and a manufacturing method thereof, and belongs to the technical field of sensors. The thin film sensor of the present disclosure has a plurality of conductive-wire regions intersecting each other, and a plurality of hollow-out parts defined by the plurality of conductive-wire regions; the thin film sensor includes: a base substrate; a plurality of conductive wires on the base substrate, with the conductive wires being in the conductive-wire regions one to one; and a functional structure on the base substrate, where the functional structure is configured to allow at least part of light, which is transmitted along a preset direction and enters the functional structure from the conductive wire-regions, to exit from the hollow-out parts, and the preset direction is a direction from the base substrate towards the conductive wires.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: February 11, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Feng Wang, Jian Zhou, Yanzhao Li, Feng Qu
  • Publication number: 20240398406
    Abstract: Disclosed are a hollow hydrogel suture for bidirectional liquid delivery and sensing communication, and preparation methods thereof, which belong to the technical field of biomedicine. The hollow hydrogel suture includes a hydrogel suture body and a compound with a sensing communication function doped in the hydrogel suture body, wherein the compound with the sensing communication function is at least one of polypyrrole and copper-doped zinc sulfide, and the hydrogel suture body is made of polyvinyl alcohol.
    Type: Application
    Filed: January 23, 2024
    Publication date: December 5, 2024
    Applicant: Army Medical University
    Inventors: Wen Zeng, Fangchao Xue, Shanlan Zhao, Hao Tian, Yanzhao Li
  • Publication number: 20240359973
    Abstract: A MEMS switch, a preparation method thereof, and an electronic apparatus. The MEMS switch includes: a substrate, a coplanar waveguide line structure disposed on a side of the substrate, an isolation structure disposed on a side of the coplanar waveguide line structure away from the substrate, a film bridge disposed on a side of the isolation structure away from the substrate. The coplanar waveguide line structure includes a first wire, a first DC bias line, a second wire, a second DC bias line and a third wire arranged at intervals sequentially. The second wire is one of an RF signal transmission line and a ground line, the first wire and the third wire are the other of the RF signal transmission line and the ground line. The film bridge is crossed between the first wire and third wire, and is connected with the first wire and the third wire respectively.
    Type: Application
    Filed: April 27, 2022
    Publication date: October 31, 2024
    Inventors: Yingli SHI, Chao ZHOU, Yanzhao LI
  • Publication number: 20240365474
    Abstract: A method for preparing a sensing device is provided, the method includes: forming, on a surface of a transparent substrate, a first auxiliary patterning layer having a trench; and forming a mesh structure in the trench of the first auxiliary patterning layer by means of an electroplating process, or forming a conductive layer in the trench of the first auxiliary patterning layer by means of an electroplating process and then etching the conductive layer to form a mesh structure. The mesh structure has a line width of less than or equal to 1.5 microns and a thickness of greater than or equal to 2 microns.
    Type: Application
    Filed: August 10, 2022
    Publication date: October 31, 2024
    Inventors: Fanli MENG, Shuo ZHANG, Zeyuan LI, Tuo SUN, Hai YU, Yanzhao LI
  • Publication number: 20240312730
    Abstract: The disclosure provides a micro-electromechanical system switch and a communication device. The micro-electromechanical system switch includes: a substrate; a DC bias line, arranged on one side of the substrate; a first signal transmission line and a second signal transmission line, arranged on the same side of the substrate as the DC bias line; a cantilever beam, arranged on a side, away from the substrate, of a layer on which the first signal transmission line is located; and a fixing structure, arranged on the side, away from the substrate, of the layer on which the first signal transmission line is located and not in contact with the first signal transmission line, where the fixing structure connects the free end and the substrate.
    Type: Application
    Filed: April 18, 2022
    Publication date: September 19, 2024
    Inventors: Yingli SHI, Yanzhao LI
  • Publication number: 20240291125
    Abstract: Provides are a phase shifter and a communication apparatus. The phase shifter includes a substrate; a signal transmission line on one side of the substrate; a first ground wire and a second ground wire on the same side of the substrate as the signal transmission line, the first and second ground wires are on two sides of the signal transmission line; and capacitance bridges on one side away from the substrate, of a layer where the signal transmission line is, the capacitance bridges are connected with the first and second ground wires, the capacitance bridges span the signal transmission line and are sequentially arrayed in an extension direction of signal transmission line, there is a gap between the capacitance bridges and the signal transmission line in a direction perpendicular to substrate, critical bias voltages are different when capacitance between the capacitance bridges and the signal transmission line reaches the maximum.
    Type: Application
    Filed: April 18, 2022
    Publication date: August 29, 2024
    Inventors: Yingli SHI, Yanzhao LI
  • Publication number: 20240266723
    Abstract: An antenna unit, a manufacturing method thereof, a display device, and an electronic apparatus. The antenna unit includes a radiation main body, at least one feed line, and a plurality of grounding portions. The at least one feed line and the radiation main body are electrically connected, the radiation main body, the at least one feed line, and the plurality of grounding portions are provided in a same layer.
    Type: Application
    Filed: April 17, 2024
    Publication date: August 8, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hai YU, Yafei ZHANG, Yang ZHENG, Yanzhao LI, Feng QU
  • Publication number: 20240250444
    Abstract: An antenna, a display substrate and a display device are provided in the present disclosure, wherein the antenna includes a first conductive layer (11), a dielectric layer (12) and a second conductive layer (13) which are stacked; the first conductive layer (11) is provided with at least one slot (111); the second conductive layer (13) includes at least one conductive structure (130), the conductive structure (130) is a comb structure, the conductive structure (130) includes a first conductive element (131) and a plurality of second conductive elements (132), the first conductive element (131) constitutes a comb back of the comb structure, and the plurality of second conductive elements (132) constitute comb teeth of the comb structure; at least one conductive structure (130) is disposed corresponding to at least one slot (111).
    Type: Application
    Filed: January 29, 2022
    Publication date: July 25, 2024
    Inventors: Feng WANG, Tuo SUN, Yanzhao LI, Feng QU
  • Patent number: 12030084
    Abstract: The present disclosure provides an ultrasonic transducer unit and a manufacturing method thereof. The ultrasonic transducer unit includes a substrate, a first electrode arranged on the substrate, an insulating layer arranged on the first electrode, a vibrating film arranged on the insulating layer, a closed cavity being between the vibrating film and the insulating layer, and a second electrode arranged on the vibrating film. The vibrating film is made of a photoresist. The ultrasonic transducer unit disclosed by the present disclosure adopts the photoresist as a material of the insulating layer and/or the vibrating film, so that the ultrasonic transducer unit with better performance can be obtained.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: July 9, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hui Hua, Yanzhao Li
  • Publication number: 20240221201
    Abstract: A linewidth measurement method and apparatus, a computing and processing device, a computer program and a computer readable medium are provided for measuring a width of a line.
    Type: Application
    Filed: October 29, 2021
    Publication date: July 4, 2024
    Inventors: Sifan WANG, Yulan HU, Yanzhao LI, Chao ZHOU, Tuo SUN, Longfei LI, Shuo ZHANG, Zhenzhong ZHANG, Cuifang ZHANG
  • Patent number: 12015198
    Abstract: An antenna unit, a manufacturing method thereof, a display device, and an electronic apparatus. The antenna unit includes a radiation main body, at least one feed line, and a plurality of grounding portions. The at least one feed line and the radiation main body are electrically connected, the radiation main body, the at least one feed line, and the plurality of grounding portions are provided in a same layer.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: June 18, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hai Yu, Yafei Zhang, Yang Zheng, Yanzhao Li, Feng Qu
  • Publication number: 20240153782
    Abstract: The present disclosure provides a metal wire and a method for manufacturing the same. The method for manufacturing the metal wire includes: forming a metal bar on a substrate; forming a mask above the metal bar, a width of the mask being smaller than a width of the metal bar, and an orthographic projection of the mask on the substrate is within an orthographic projection of the metal bar on the substrate; and wet etching the metal bar to a saturation state under a protection of the mask to form a metal wire, a width of the metal wire being smaller than the width of the mask. The above method can form the metal wire with a high thickness and a narrow line width.
    Type: Application
    Filed: May 28, 2021
    Publication date: May 9, 2024
    Inventors: Jiangbo CHEN, Hai YU, Tuo SUN, Shuo ZHANG, Zeyuan LI, Kui LIANG, Fanli MENG, Yanzhao LI
  • Publication number: 20240155900
    Abstract: A display substrate includes a base substrate, a voltage line arranged at a peripheral region of the base substrate, an encapsulation layer arranged at a side of the voltage line away from the base substrate, and a plurality of pixel units arranged at a display region of the base substrate. The encapsulation layer is arranged at a part of the display region and the peripheral region of the base substrate. The display substrate further includes an antenna arranged at a side of the encapsulation layer away from the base substrate, the antenna is a grid-like antenna, the voltage line is provided with a hollowed-out portion, and an orthogonal projection of at least a part of an end of the antenna onto the base substrate is located within an orthogonal projection of the hollowed-out portion onto the base substrate.
    Type: Application
    Filed: November 25, 2021
    Publication date: May 9, 2024
    Applicants: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Feng Wang, Jian Zhou, Yanzhao Li, Feng Qu