Patents by Inventor Kaidi Zhang

Kaidi 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: 20250107232
    Abstract: A thin-film transistor structure and an electronic device are provided. The thin-film transistor structure includes a first transistor and a second transistor. A potential of the signal input electrode of the first transistor is greater than that of the signal receiving component, and the first transistor is turned on; and a potential of the signal input electrode of the second transistor is less than that of the signal receiving component, and the second transistor is turned on; and an overlapping area of the signal output electrode of the first transistor and the etching barrier layer is greater than that of the signal input electrode of the first transistor and the etching barrier layer; and an overlapping area of the signal input electrode of the second transistor and the etching barrier layer is larger than that of the signal output electrode of the second transistor and the etching barrier layer.
    Type: Application
    Filed: March 11, 2024
    Publication date: March 27, 2025
    Inventors: Kaidi ZHANG, Baiquan LIN, Liying WANG, Linzhi WANG, Haotian LU, Kerui XI
  • Publication number: 20250085253
    Abstract: A micro-fluidic detection device includes a first base plate, a second base plate opposite to the first base plate, and a droplet travel layer located between the first and second base plates. The first base plate includes a first substrate, a drive array layer, a first electrode layer, and a first hydrophobic layer. The second base plate includes a second substrate, a second electrode layer, and a second hydrophobic layer. Drive electrodes of the first electrode layer are at first units. The first unit includes a micro-fluidic unit circuit. A second unit includes a detection unit circuit. The detection unit circuit includes inorganic transistors and organic transistors. A sensitive electrode is at the second unit. The sensitive electrode is on a side of a layer where the inorganic transistor is located away from the first substrate. A first hollow hole of the first base plate exposes the sensitive electrode.
    Type: Application
    Filed: March 22, 2024
    Publication date: March 13, 2025
    Inventors: Yukun HUANG, Shun GONG, Haotian LU, Linzhi WANG, Kaidi ZHANG, Baiquan LIN, Kerui XI, Feng QIN
  • Patent number: 12226771
    Abstract: A driving circuit, a driving method and a microfluidic substrate are provided. The driving circuit includes a first switching unit, a second switching unit, a reset unit, a first capacitor, and a second capacitor. In a first stage of a driving process of the driving circuit, the first switching unit is turned on, a first voltage signal is transmitted to a first node, the second switching unit is turned on, a second voltage signal is input to an output terminal of the driving circuit, and the driving circuit outputs an AC signal. In a second stage of the driving process, the first switching unit is turned off, the valid signal output by the second scan signal terminal controls the reset unit to be turned on, a third voltage signal is input to the output terminal of the driving circuit for reset, and the driving circuit outputs a DC signal.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: February 18, 2025
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Kaidi Zhang, Baiquan Lin, Wei Li, Yunfei Bai, Kerui Xi, Feng Qin
  • Patent number: 12211460
    Abstract: Provided are a driver board, a display panel, and a display apparatus. The driver board includes a driver circuit. The driver circuit includes N pixel electrodes, N pixel switches, a data switch, and a storage capacitor, N is a positive integer, and N?2. The storage capacitor includes a reference electrode and a counter electrode. A control terminal of the pixel switch receives a gating signal, a first terminal of the pixel switch is connected to the counter electrode, and a second terminal of the pixel switch is connected to the pixel electrode. The driver board further includes data lines, and each data line is connected to the counter electrode via the data switch.
    Type: Grant
    Filed: January 9, 2024
    Date of Patent: January 28, 2025
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Haotian Lu, Linzhi Wang, Baiquan Lin, Zhen Liu, Kerui Xi, Kaidi Zhang, Yifan Xing, Xin Xu, Huijun Jin
  • Patent number: 12203131
    Abstract: A gene sequencing structure, a gene sequencing device and a gene sequencing method are provided. The gene sequencing structure includes a substrate, a thin-film transistor array layer located on the substrate and including thin-film transistors that include a first electrode, and a second electrode; an ion-sensitive layer located on a side of the semiconductor layer away from the substrate; a micro-hole layer located on a side of the ion-sensitive layer away from the substrate, including a through-hole passing through the micro-hole layer, at least partially overlapping the semiconductor layer, and used for receiving a to-be-tested single-stranded nucleic acid inside; a conductive structure, located on a side of the layer away from the substrate and electrically connected to the first electrode or the second electrode; and a detection chip, located on a side of the conductive structure away from the substrate and electrically connected to the conductive structure.
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: January 21, 2025
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Baiquan Lin, Kerui Xi, Kaidi Zhang, Wei Li, Yunfei Bai, Ping Su, Junting Ouyang
  • Patent number: 12163914
    Abstract: A detection device and a detection method are provided. The detection device includes at least one detection unit. The detection unit includes a first transistor, a second transistor, a third transistor and a fourth transistor that are electrically connected to each other, a gate is disposed above a channel of each of the first transistor, the second transistor, and the third transistor, and an ion-sensitive membrane is covered above a channel of the fourth transistor. The detection device also includes a first voltage signal terminal, a second voltage signal terminal, and a third voltage signal terminal. Further, the detection device includes a first power supply terminal, a first potential output terminal, a second potential output terminal, and a second power supply terminal.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: December 10, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Kaidi Zhang, Baiquan Lin, Huihui Jiang, Luning Yang, Wei Li, Yunfei Bai, Zhenyu Jia, Kerui Xi, Feng Qin
  • Publication number: 20240396547
    Abstract: Provided circuit structure includes a first voltage division branch and a second voltage division branch. The first voltage division branch includes a first control terminal and a first voltage division output terminal, and the second voltage division branch includes a second control terminal and a second voltage division output terminal. The first control terminal of the first voltage division branch receives a first initial signal V0, and the first voltage division output terminal is electrically connected to the second control terminal of the second voltage division branch. At a first pulse level stage, the second voltage division output terminal outputs a first output level signal, and at a second pulse level stage, the second voltage division output terminal outputs a second output level signal different from the first output level signal.
    Type: Application
    Filed: August 7, 2024
    Publication date: November 28, 2024
    Applicant: Shanghai Tianma Microelectronics Co., Ltd.
    Inventors: Kaidi ZHANG, Baiquan LIN, Liying WANG, Dongli ZHANG, Linzhi WANG, Ping SU, Kerui XI
  • Patent number: 12134097
    Abstract: A microfluidic chip and a fabrication method of the microfluidic chip are provided. The microfluidic chip includes an array substrate, and a hydrophobic layer disposed on a side of the array substrate. The hydrophobic layer includes at least one through-hole, and a through-hole of the at least one through-hole penetrates through the hydrophobic layer along a direction perpendicular to a plane of the array substrate. The microfluidic chip also includes at least one hydrophilic structure. A hydrophilic structure of the at least one hydrophilic structure is disposed in the through-hole.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: November 5, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Wei Li, Baiquan Lin, Kaidi Zhang, Yunfei Bai, Ping Su, Kerui Xi, Zhenyu Jia
  • Publication number: 20240364327
    Abstract: Driving circuit, microfluidic driving device and driving method are provided. The driving circuit includes a data writing module, a first inverter and a second inverter. An output terminal of the data writing module is connected to a first node. A first terminal of the first inverter is connected to a first power supply terminal, a second terminal of the first inverter is connected to a second power supply terminal, an input terminal of the first inverter is connected to the first node, and an output terminal of the first inverter is connected to a second node. A first terminal of the second inverter is connected to the first power supply terminal, a second terminal of the second inverter is connected to the second power supply terminal, and an input terminal of the second inverter is connected to the second node.
    Type: Application
    Filed: January 5, 2024
    Publication date: October 31, 2024
    Inventors: Kaidi ZHANG, Baiquan LIN, Wei LI, Dongli ZHANG, Linzhi WANG, Haotian LU, Kerui XI
  • Publication number: 20240170589
    Abstract: Provided are a photoelectric sensor and an electronic device. The photoelectric sensor includes a substrate, a plurality of photoelectric sensing elements, and a wall structure between two adjacent photoelectric sensing elements. The wall structure includes a first layer and a second layer stacked with the first layer. The first layer is arranged at a side of the second layer away from the substrate and includes a light-blocking material. At least one of the first layer or the second layer of the wall structure is arranged in a same layer as at least one layer of the photoelectric sensing element.
    Type: Application
    Filed: February 2, 2024
    Publication date: May 23, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Fan XU, Bin ZHOU, Haotian LU, Kaidi ZHANG, Linzhi WANG, Zhen LIU, Baiquan LIN, Kerui XI
  • Publication number: 20240165608
    Abstract: Microfluidic device and application method thereof are provided. The microfluidic device includes a first substrate and a second substrate that are oppositely arranged along a first direction; and a first storage box and a second storage box that are oppositely arranged along the first direction. The first direction is a thickness direction of the microfluidic device. The first storage box includes a first storage cavity and a first opening communicating with the first storage cavity, and the first substrate is fixed in the first storage cavity. The second storage box includes a second storage cavity and a second opening communicating with the second storage cavity, and the second substrate is fixed in the second storage cavity. Along the first direction, the first opening is arranged opposite to the second opening and the first storage box is nested with the second storage box.
    Type: Application
    Filed: February 27, 2023
    Publication date: May 23, 2024
    Inventors: Kaidi ZHANG, Baiquan LIN, Yunfei BAI, Wei LI, Xiaojun CHEN, Qingsan ZHU
  • Publication number: 20240157360
    Abstract: Microfluidic substrate, microfluidic device, and driving method thereof are provided. The microfluidic substrate includes a plurality of detection units arranged in an array. A detection unit of the plurality of detection units at least includes a first switch transistor, a second switch transistor, a drive electrode, and a photosensitive element. The microfluid substrate includes a base; a transistor array layer on a side of the base, first switch transistors and second switch transistors being on the transistor array layer; a photosensitive element array layer on a side of the transistor array layer away from the substrate, photosensitive elements being on the photosensitive element array layer; a first electrode layer on a side of the photosensitive element array layer away from the base; and a second electrode layer on a side of the first electrode layer away from the base.
    Type: Application
    Filed: March 21, 2023
    Publication date: May 16, 2024
    Inventors: Kaidi ZHANG, Baiquan LIN, Wei LI, Yunfei BAI, Linzhi WANG, Yukun HUANG, Kerui XI
  • Publication number: 20240151687
    Abstract: Provided are a solution detection circuit and apparatus, a driving method and a solution detection method. The solution detection circuit includes at least one detection unit, the detection unit includes an ion-sensitive field-effect transistor, a first reset switch subunit, a synchronous buck switch subunit, a storage capacitor and an output switch subunit. A threshold voltage of the ion-sensitive field-effect transistor can be directly read.
    Type: Application
    Filed: January 16, 2024
    Publication date: May 9, 2024
    Applicant: Shanghai Tianma Microelectronics Co., Ltd.
    Inventors: Wei LI, Kaidi ZHANG, Dongli ZHANG, Liying WANG, Baiquan LIN, Juntao PAN
  • Publication number: 20240144891
    Abstract: Provided are a driver board, a display panel, and a display apparatus. The driver board includes a driver circuit. The driver circuit includes N pixel electrodes, N pixel switches, a data switch, and a storage capacitor, N is a positive integer, and N?2. The storage capacitor includes a reference electrode and a counter electrode. A control terminal of the pixel switch receives a gating signal, a first terminal of the pixel switch is connected to the counter electrode, and a second terminal of the pixel switch is connected to the pixel electrode. The driver board further includes data lines, and each data line is connected to the counter electrode via the data switch.
    Type: Application
    Filed: January 9, 2024
    Publication date: May 2, 2024
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Haotian LU, Linzhi WANG, Baiquan LIN, Zhen LIU, Kerui XI, Kaidi ZHANG, Yifan XING, Xin XU, Huijun JIN
  • Publication number: 20240128283
    Abstract: A detection substrate including a substrate and a plurality of detection units disposed on a side of the substrate, each detection unit including at least an inorganic transistor, an organic transistor, and a photoelectric sensor element, the organic transistor including an organic semiconductor part, in a direction perpendicular to a plane of the substrate, a film layer where the organic semiconductor part is located being located on the side of the film layer where the inorganic transistor is located away from the substrate, the film layer where the organic semiconductor part is located being located on the side of a film layer where the photoelectric sensor element is located away from the substrate, the organic transistor of the detection unit being connected to a sensing electrode, the sensing electrode being located on the side of the film layer where the inorganic transistor is located away from the substrate.
    Type: Application
    Filed: December 28, 2022
    Publication date: April 18, 2024
    Inventors: Haotian LU, Linzhi WANG, Baiquan LIN, Kerui XI, Shun GONG, Yukun HUANG, Fan XU, Kaidi ZHANG
  • Publication number: 20240091766
    Abstract: Provided is a microfluidic device. The microfluidic device includes a first substrate and a second substrate disposed opposite to each other. A cavity is formed between the first substrate and the second substrate and configured to accommodate liquid. The first substrate includes multiple drive electrodes and multiple first electrodes, and the drive electrodes are disposed on a side of the first electrodes facing the second substrate. At least one of the drive electrodes includes at least one opening, and the at least one opening, along a direction perpendicular to a plane where the first substrate is located, penetrates the drive electrode where the at least one opening is located. An orthographic projection of at least one first electrode on the plane where the first substrate is located covers at least an orthographic projection of one opening on the plane where the first substrate is located.
    Type: Application
    Filed: December 20, 2021
    Publication date: March 21, 2024
    Inventors: Kaidi ZHANG, Baiquan LIN, Kerui XI, Wei LI, Yunfei BAI, Ping SU
  • Publication number: 20240071325
    Abstract: Provided a microfluidic pixel driving circuit includes n boost modules, where each boost module includes a capacitor and a write unit, and n is a positive integer greater than or equal to 2; a first terminal of a first capacitor is electrically connected to a fixed potential line, a second terminal of the first capacitor is electrically connected to a pixel electrode, and the first capacitor is used for storing a voltage of the pixel electrode; a first write unit is configured to write a first data signal to the pixel electrode according to an enable level of a first scan signal; a first terminal of a second capacitor is electrically connected to the pixel electrode; and a second write unit is configured to write a second data signal to a second terminal of the second capacitor according to an enable level of a second scan signal.
    Type: Application
    Filed: November 6, 2023
    Publication date: February 29, 2024
    Applicant: Shanghai Tianma Microelectronics Co., Ltd.
    Inventors: Kaidi Zhang, Baiquan Lin, Yunfei Bai, Wei Li, Kerui Xi
  • Patent number: 11839875
    Abstract: A driving circuit, a method for driving the same, and a microfluidic device are provided. The driving circuit includes a constant voltage writing module configured to transmit a constant voltage to an output terminal of the driving circuit, an AC voltage writing module configured to transmit an AC voltage to the output terminal of the driving circuit, a first switch, and a first capacitor. The first switch includes an input terminal electrically connected to a third signal line, an output terminal electrically connected to control terminals of the AC voltage writing module and the constant voltage writing module, and a control terminal electrically connected to a first scan line. The first capacitor is configured to stabilize a potential of the output terminal the first switch.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: December 12, 2023
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Kaidi Zhang, Boquan Lin, Yunfei Bai, Wei Li, Shun Gong, Linzhi Wang, Kerui Xi
  • Publication number: 20230268449
    Abstract: A photosensitive transistor includes a substrate and a first semiconductor layer, a first gate, a first electrode, a second electrode and a second semiconductor layer which are located on a side of the substrate. The first semiconductor layer includes a first doped region, a second doped region and a channel region, the second semiconductor layer is in direct contact with the channel region, and an area of the second semiconductor layer is less than an area of the first semiconductor layer. The photosensitive transistor includes a main region and opening regions, and the opening regions are located at a periphery of the main region. The first electrode and the second electrode are in the same layer and insulated from each other and both surround the main region. The second semiconductor layer includes a main body portion located in the main region and auxiliary portions located in the opening regions.
    Type: Application
    Filed: May 2, 2023
    Publication date: August 24, 2023
    Applicant: Shanghai Tianma Microelectronics Co., Ltd.
    Inventors: Linzhi WANG, Kerui XI, Kaidi ZHANG, Shun GONG, Yukun HUANG
  • Publication number: 20230249181
    Abstract: A microfluidic apparatus, a driving method, and a formation method are provided in the present disclosure. The apparatus includes a first substrate and a second substrate. The first substrate and the second substrate are both smooth substrates. An electrode array layer is on a side of the first substrate; and a second electrode layer is on a side of the second substrate. The electrode array layer at least includes a plurality of first electrodes and a plurality of second electrodes. The first substrate includes a first region and a second region; the plurality of first electrodes is in the first region; and the plurality of second electrode is in the second region. A distance between the first substrate and the second substrate in the first region is D1 is greater than a distance between the first substrate and the second substrate in the second region is D2.
    Type: Application
    Filed: April 26, 2022
    Publication date: August 10, 2023
    Inventors: Kaidi ZHANG, Wei LI, Baiquan LIN, Yunfei BAI, Kerui XI, Feng QIN