Patents by Inventor PEIZHI CAI

PEIZHI CAI 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: 12266299
    Abstract: This application provides a display and a terminal device. The display includes a cover plate, a composite display layer, and a first substrate from top to bottom, where the composite display layer includes an ink filling laver and an emissive display module layer the emissive display module layer includes a plurality of pixels, each pixel includes an effective light transmitting zone and a non-effective light transmitting zone, and the effective light transmitting zone includes an emissive luminescent material: the ink filling layer includes a first zone corresponding to the effective light transmitting zone and a second zone corresponding to the non-effective light transmitting zone, and the second zone is filled with an electronic ink material.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: April 1, 2025
    Assignee: HONOR DEVICE CO., LTD.
    Inventor: Peizhi Cai
  • Publication number: 20240427213
    Abstract: An-electronic ink display panel includes an electronic ink base layer. The electronic ink base layer-includes a plurality of pixel wells, and a depth of each first pixel well is less than a depth of each second pixel well; a first color portion is disposed in each pixel well in a plurality of first pixel wells and a plurality of second pixel wells, the first color portion includes first ink and a first packaging layer, the first packaging layer is located on a side that is of the first ink and that is away from a bottom of the pixel well, and in each first pixel well, the first color portion fills the first pixel well; a second color portion is further disposed in each pixel well in the plurality of second pixel wells, the second color portion includes second ink and a second packaging layer.
    Type: Application
    Filed: September 2, 2022
    Publication date: December 26, 2024
    Inventor: Peizhi Cai
  • Publication number: 20240280871
    Abstract: This application provides a display and a terminal device, and relates to the field of image display, to resolve a problem of PPI decrease of a semi-emissive and semi-reflective display.
    Type: Application
    Filed: April 27, 2022
    Publication date: August 22, 2024
    Inventors: Peizhi Cai, Zheng Tian
  • Publication number: 20240280876
    Abstract: An electronic ink screen and a display apparatus. The electronic ink screen includes at least the following which are stacked: a first conductive substrate, an ink display layer and a second conductive substrate. The ink display layer is located between the first conductive substrate and the second conductive substrate, and the second conductive substrate is located above the first conductive substrate. The ink display layer has a plurality of ink accommodating cavities that are mutually independent. A plurality of ink particles that have a same color are provided in the ink accommodating cavity. The ink particles are used for displaying a first color. The electronic ink screen further includes a function layer. The function layer is configured to display a second color. The function layer is located at a side that is of the ink display layer and that faces away from the second conductive substrate.
    Type: Application
    Filed: August 12, 2022
    Publication date: August 22, 2024
    Inventors: Peizhi Cai, Zheng Tian, Xin Li, Haiming He
  • Publication number: 20240265727
    Abstract: Embodiments of this application provide an electronic device. The electronic device includes a middle frame, a display, and a fingerprint recognition module. An optical waveguide structure is disposed between the display and the fingerprint recognition module. An optical exit port and at least two optical incident port are formed on the optical waveguide structure. The optical exit port is directly aligned with the fingerprint recognition module. Each optical incident port is directly aligned with a fingerprint recognition area. When a finger touches the fingerprint recognition area to reflect out fingerprint detection light, the fingerprint detection light can be incident into the optical waveguide structure through the optical incident port, and be exported to the fingerprint recognition module through the optical exit port, to implement fingerprint recognition. In this way, there are at least two fingerprint recognition areas of the electronic device.
    Type: Application
    Filed: September 9, 2022
    Publication date: August 8, 2024
    Applicant: Honor Device Co., Ltd.
    Inventor: Peizhi CAI
  • Publication number: 20240241364
    Abstract: This application provides an electrowetting substrate, an electrowetting display panel, and an electrowetting display apparatus. In the electrowetting substrate, first scan lines and second scan lines are alternately arranged. Pixels are defined by data lines, the first scan lines, and the second scan lines. A first TFT connected to the first scan line as well as a second TFT and a third TFT that are connected to the second scan line are disposed in each pixel. A first metal layer, a second metal layer, and a reflective electrode layer are sequentially provided on a first base to form a first storage capacitor and a second storage capacitor. When the first scan lines are enabled, the first TFTs are turned on, and the second storage capacitor and the first storage capacitor are connected in series, so that overall capacitance is small, charging is fast, and fast refresh can be achieved.
    Type: Application
    Filed: January 3, 2023
    Publication date: July 18, 2024
    Applicant: Honor Device Co., Ltd.
    Inventors: Peizhi CAI, Yun QIAO
  • Patent number: 12038663
    Abstract: A phase-shift unit includes: a first substrate and a second substrate provided opposite to each other; a medium layer provided between the first substrate and the second substrate; a microstrip line disposed at a side of the second substrate facing towards the first substrate; and a grounding layer provided at a side of the first substrate facing towards the second substrate and formed with a via hole; wherein a projection of the via hole onto the second substrate and a projection of the microstrip line onto the second substrate have an overlapped area therebetween; and wherein the via hole is configured to feed a phase-shifted microwave signal out of the phase-shift unit, or feed a microwave signal into the phase-shift unit such that the microwave signal is phase-shifted.
    Type: Grant
    Filed: March 14, 2023
    Date of Patent: July 16, 2024
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xue Cao, Junhui Wu, Ying Wang, Peizhi Cai, Zhifu Li, Lijun Mao, Jiaheng Wang
  • Publication number: 20240192566
    Abstract: This application provides an array substrate, a display apparatus, and an electronic device. The display apparatus includes a plurality of microcup units. Each of the microcup units includes at least one microcup. Electrophoretic particles are encapsulated in each of the at least one microcup. The array substrate includes a first base, a plurality of pixel units arranged in an array on the first base, and an insulating layer. The plurality of pixel units are in one-to-one correspondence to the plurality of microcup units. Each of the pixel units includes a first pixel electrode and a first common electrode. The insulating layer covers the first pixel electrode and the first common electrode of each of the pixel units.
    Type: Application
    Filed: December 30, 2022
    Publication date: June 13, 2024
    Inventor: Peizhi CAI
  • Publication number: 20240185774
    Abstract: This application provides a display and a terminal device. The display includes a cover plate, a composite display layer, and a first substrate from top to bottom, where the composite display layer includes an ink filling laver and an emissive display module layer the emissive display module layer includes a plurality of pixels, each pixel includes an effective light transmitting zone and a non-effective light transmitting zone, and the effective light transmitting zone includes an emissive luminescent material: the ink filling layer includes a first zone corresponding to the effective light transmitting zone and a second zone corresponding to the non-effective light transmitting zone, and the second zone is filled with an electronic ink material.
    Type: Application
    Filed: April 27, 2022
    Publication date: June 6, 2024
    Inventor: Peizhi CAI
  • Patent number: 11876275
    Abstract: A liquid crystal phase shifter, a liquid crystal antenna, a communication apparatus, and a method for operating a liquid crystal phase shifter are provided. The liquid crystal phase shifter includes a microwave transmission structure and a phase adjustment structure opposite to each other, and a liquid crystal layer between the microwave transmission structure and the phase adjustment structure; wherein the phase adjustment structure comprises a plurality of phase adjustment units; the plurality of phase adjustment units are configured to change a dielectric constant of the liquid crystal layer according to a voltage applied to the phase adjustment units and a voltage applied to the microwave transmission structure, so as to adjust a phase of a microwave signal; and phase shift amounts adjusted by at least two of the plurality of phase adjustment units are different from each other.
    Type: Grant
    Filed: November 18, 2022
    Date of Patent: January 16, 2024
    Assignees: BEIJING BOE SENSOR TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ying Wang, Tienlun Ting, Jie Wu, Xue Cao, Liang Li, Haocheng Jia, Peizhi Cai, Chuncheng Che
  • Patent number: 11865538
    Abstract: A biological detection chip, a biological detection device, and a detection method thereof are disclosed. The biological detection chip includes a first base substrate and a plurality of detection units arranged in an array along a row direction and a column direction on the first base substrate. Each of the plurality of detection units includes a thin film transistor and an electrode, the thin film transistor is on the first base substrate and includes a gate electrode, a source electrode, and a drain electrode, and the electrode is on a side of the thin film transistor away from the first base substrate and is connected to the drain electrode, and the electrode is configured to carry a biological material to be detected.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: January 9, 2024
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenliang Yao, Nan Zhao, Peizhi Cai, Fengchun Pang, Yue Geng, Le Gu, Yuelei Xiao, Hui Liao, Yingying Zhao, Bolin Fan
  • Publication number: 20240006762
    Abstract: There is provided a liquid crystal phase shifter including first and second substrates opposite to each other, and a liquid crystal layer between the first and second substrates. The first substrate includes a first base plate and a first electrode layer at a side of the first base plate proximal to the liquid crystal layer. The second substrate includes a second base plate and a second electrode layer at a side of the second base plate proximal to the liquid crystal layer. The first electrode layer includes a main body structure having a first side and a second side opposite to each other with respect to an extension direction of the main body structure, and a plurality of branch structures connected to at least one of the first side and the second side of the main body structure. The second electrode layer includes a plurality of first fingers.
    Type: Application
    Filed: September 15, 2023
    Publication date: January 4, 2024
    Inventors: Liang LI, Tienlun TING, Jie WU, Xue CAO, Ying WANG, Haocheng JIA, Cuiwei TANG, Peizhi CAI, Chuncheng CHE
  • Patent number: 11837802
    Abstract: A liquid crystal antenna unit and a liquid crystal phased array antenna are provided. The liquid crystal antenna unit includes: a first substrate, a second substrate opposite to the first substrate, a liquid crystal layer between the first substrate and the second substrate, a transmission line on a first surface and extending in a first direction along the first surface, a first antenna oscillator on the first surface and arranged as an elongated dipole extending in a second direction along the first surface, a second antenna oscillator on a surface of the second substrate distal to the first substrate and at a position corresponding to the first antenna oscillator, and a ground electrode on a surface of the first substrate distal to the second substrate.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: December 5, 2023
    Assignees: BEIJING BOE SENSOR TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jie Wu, Tienlun Ting, Xiangzhong Kong, Xue Cao, Ying Wang, Liang Li, Haocheng Jia, Peizhi Cai, Chuncheng Che
  • Patent number: 11799179
    Abstract: There is provided a liquid crystal phase shifter including first and second substrates opposite to each other, and a liquid crystal layer between the first and second substrates. The first substrate includes a first base plate and a first electrode layer at a side of the first base plate proximal to the liquid crystal layer. The second substrate includes a second base plate and a second electrode layer at a side of the second base plate proximal to the liquid crystal layer. The first electrode layer includes a main body structure having a first side and a second side opposite to each other with respect to an extension direction of the main body structure, and a plurality of branch structures connected to at least one of the first side and the second side of the main body structure. The second electrode layer includes a plurality of first fingers.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: October 24, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liang Li, Tienlun Ting, Jie Wu, Xue Cao, Ying Wang, Haocheng Jia, Cuiwei Tang, Peizhi Cai, Chuncheng Che
  • Patent number: 11731125
    Abstract: A patterning method of a film is disclosed. The method including: providing a film including a first surface; forming n etching barrier layers on the first surface of the film, and n is an integer larger than or equal to 2; and performing n etching processes on the film to form a recessed structure on the first surface using the n etching barrier layers as masks, the recessed structure includes n bottom surfaces respectively having different depths. Two adjacent etching processes of the n etching processes include a previous etching process and a subsequent etching process, and after the previous etching process is completed, a part of the n etching barrier layers is removed to form a mask for the subsequent etching process; a material of the part of the n etching barrier layers which is removed is different from a material of the mask of the subsequent etching process.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: August 22, 2023
    Assignees: BEIJING BOE SENSOR TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yue Geng, Yuelei Xiao, Hui Liao, Peizhi Cai, Jian Li, Shenkang Wu
  • Patent number: 11708604
    Abstract: A gene sequencing substrate and a method for manufacturing the same, and a gene sequencing device are provided. It belongs to the technical field of gene sequencing, and can solve the problem of high cost of the high-throughput sequencing chip in the prior art. The gene sequencing substrate of the present disclosure comprises a plastic material with concave structures as base substrate, and the concave structures serve as reaction cells. Since the base substrate has plasticity, the concave structures can be formed by a simple process to reduce the cost of the gene sequencing substrate. Meanwhile, a first protective layer may be provided on the inner wall of the concave structures for preventing the inner wall of the concave structures from being corroded by the reaction liquid.
    Type: Grant
    Filed: December 24, 2018
    Date of Patent: July 25, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Peizhi Cai, Fengchun Pang, Yue Geng, Le Gu, Chuncheng Che
  • Publication number: 20230221607
    Abstract: A phase-shift unit includes: a first substrate and a second substrate provided opposite to each other; a medium layer provided between the first substrate and the second substrate; a microstrip line disposed at a side of the second substrate facing towards the first substrate; and a grounding layer provided at a side of the first substrate facing towards the second substrate and formed with a via hole; wherein a projection of the via hole onto the second substrate and a projection of the microstrip line onto the second substrate have an overlapped area therebetween; and wherein the via hole is configured to feed a phase-shifted microwave signal out of the phase-shift unit, or feed a microwave signal into the phase-shift unit such that the microwave signal is phase-shifted.
    Type: Application
    Filed: March 14, 2023
    Publication date: July 13, 2023
    Inventors: Xue Cao, Junhui Wu, Ying Wang, Peizhi Cai, Zhifu Li, Lijun Mao, Jiaheng Wang
  • Patent number: 11698564
    Abstract: A phase-shift unit includes: a first substrate and a second substrate provided opposite to each other; a medium layer provided between the first substrate and the second substrate; a microstrip line disposed at a side of the second substrate facing towards the first substrate; and a grounding layer provided at a side of the first substrate facing towards the second substrate and formed with a via hole; wherein a projection of the via hole onto the second substrate and a projection of the microstrip line onto the second substrate have an overlapped area therebetween; and wherein the via hole is configured to feed a phase-shifted microwave signal out of the phase-shift unit, or feed a microwave signal into the phase-shift unit such that the microwave signal is phase-shifted.
    Type: Grant
    Filed: February 2, 2022
    Date of Patent: July 11, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xue Cao, Junhui Wu, Ying Wang, Peizhi Cai, Zhifu Li, Lijun Mao, Jiaheng Wang
  • Patent number: 11699772
    Abstract: Disclosed are an array substrate and a preparation method thereof, and a digital microfluidic chip. The preparation method includes: forming a plurality of photoelectric detection devices on a silicon-based substrate; transferring the photoelectric detection devices to a base substrate by adopting a micro transfer printing process; and forming a plurality of transparent driving electrodes on the base substrate, wherein the transparent driving electrodes are insulated from the photoelectric detection devices.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: July 11, 2023
    Assignees: Beijing BOE Sensor Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xue Dong, Yue Geng, Peizhi Cai
  • Patent number: 11691147
    Abstract: A digital microfluidic chip and a digital microfluidic system. The digital microfluidic chip comprises: an upper substrate and a lower substrate arranged opposite to each other; multiple driving circuits and multiple addressing circuits disposed between the lower substrate and the upper substrate; and a control circuit, electrically connected to the driving circuits and the addressing circuits. The control circuit is configured to apply, in a driving stage, a driving voltage to each driving circuit, such that a droplet is controlled to move inside a droplet accommodation space according to a set path, measure, in a detection stage, after a bias voltage is applied to each addressing circuit, a charge loss amount of each addressing circuit, and to determine the position of the droplet according to the charge loss amount. The charge loss amount of each addressing circuit is related to the intensity of received external light.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: July 4, 2023
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Mingyang Lv, Yue Li, Yanchen Li, Jinyu Li, Dawei Feng, Yu Zhao, Dong Wang, Wang Guo, Hailong Wang, Yue Geng, Peizhi Cai, Fengchun Pang, Le Gu, Chuncheng Che, Haochen Cui, Yingying Zhao, Nan Zhao, Yuelei Xiao, Hui Liao