Patents by Inventor Dan Cao

Dan Cao 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: 20260157036
    Abstract: A display substrate includes a base substrate, a plurality of sub-pixels and a first scanning line, the subpixel includes a subpixel driving circuit including a driving transistor and a compensation transistor, a gate electrode of the compensation transistor is coupled to a corresponding first scanning line, a first/second electrode of the compensation transistor is coupled to a second/gate electrode of the driving transistor, the compensation transistor includes a compensation active layer including a first channel portion, a second channel portion and a first conductor portion, the first conductor portion is respectively coupled to the first channel portion and the second channel portion; at least part of an orthographic projection of the first conductor portion on the base substrate is located between an orthographic projection of the first scanning line on the base substrate and the orthographic projection of the gate electrode of the driving transistor on the base substrate.
    Type: Application
    Filed: July 31, 2023
    Publication date: June 4, 2026
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenhui GAO, Miao WANG, Cong LIU, Dan CAO, Binyan WANG, Yonglin GUO, Gukhwan SONG, Zhiliang JIANG, Yangpeng WANG, Ming HU
  • Patent number: 12638706
    Abstract: The present invention provides a display panel and the manufacturing method thereof. The display panel includes an array substrate, a color filter substrate, and a bonding terminal. The array substrate has a first surface, a second surface, and a side surface connecting the first surface and the second surface. A side surface of the array substrate includes a first connection surface. The first connection surface is a curved surface. The color filter substrate and the bonding terminal are disposed on the first surface of the array substrate. The side surface of the color filter substrate intersects a surface of the color filter substrate away from the array substrate to form a first included angle, and the first included angle is an acute angle or a right angle.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: May 26, 2026
    Assignee: SUZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xin Gu, Baibo Yu, Junjie Li, Bangyin Peng, Dan Cao
  • Patent number: 12633261
    Abstract: The pixel circuit includes: a light emitting module configured to emit light; a driving module configured to drive the light emitting module to emit light according to a driving voltage during a light emitting stage; a storage module configured to maintain the driving voltage and to provide the driving voltage to the driving module during the light emitting stage; a first transistor, a first electrode of the first transistor being connected to a position where the driving module receives the driving voltage, and a second electrode of the first transistor being not directly connected to a signal source; a second transistor, a first electrode of the second transistor being connected to the first electrode of the first transistor, wherein a structure to which a second electrode of the second transistor is connected is different from a structure to which the second electrode of the first transistor is connected.
    Type: Grant
    Filed: January 29, 2025
    Date of Patent: May 19, 2026
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jingwen Zhang, Yunsheng Xiao, Miao Wang, Dan Cao
  • Publication number: 20260112321
    Abstract: The present disclosure provides a display device, a gate driving circuit, and a shift register unit. The shift register unit includes an input subcircuit, a first control subcircuit, a second control subcircuit, a fourth control subcircuit and an output subcircuit. The fourth control subcircuit includes a fourth transistor and a first capacitor, where a first electrode of the fourth transistor is connected to the second clock signal terminal, and a second electrode of the fourth transistor is connected to a seventh node; the first capacitor is connected between a control electrode of the fourth transistor and the seventh node.
    Type: Application
    Filed: December 8, 2025
    Publication date: April 23, 2026
    Inventors: Jingwen ZHANG, Yonglin GUO, Dan CAO
  • Patent number: 12571193
    Abstract: The present utility model relates to a toilet. The toilet comprises: a seat body having a sewage accommodating bowl; a ring flushing pipeline, the ring flushing pipeline being used for performing ring flushing on the sewage accommodating bowl; a bottom flushing pipeline, the bottom flushing pipeline being used for performing bottom flushing on the sewage accommodating bowl; and a flush valve, the flush valve being capable of being in fluid communication with at least one of the ring flushing pipeline and the bottom flushing pipeline, such that water for flushing flows to the sewage accommodating bowl via the flush valve. A first power supply apparatus is arranged in the seat body, and the first power supply apparatus is configured to supply power to the flush valve.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: March 10, 2026
    Assignee: LIXIL (CHINA) Investment Co., Ltd.
    Inventors: Zhongde Fan, Li Jiang, Yongze Liu, Yulin Li, Xiaolong He, Dan Cao, Jian Zhang, Jiangjiang Ye
  • Patent number: 12568686
    Abstract: The present application provides an array substrate and a fabrication method thereof, and a display device. By etching a second insulating layer using a patterned black negative-type photoresist layer as an etching barrier layer, a second conductive member for transmitting electrical signals and having a same layer as source/drain electrodes is exposed. The second conductive member replaces an indium tin oxide in conventional technology to electrically connect a driving chip, thereby reducing processes of forming indium tin oxide and use of a photomask, simplifying production process, saving production costs, and improving production efficiency.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: March 3, 2026
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Bin Zhao, Xin Zhang, Juncheng Xiao, Dan Cao, Junling Liu, Xiaobo Hu
  • Patent number: 12531019
    Abstract: A display substrate and a display device. The display substrate includes a base substrate and a plurality of sub-pixels arranged on the base substrate. A plurality of sub-pixel driving circuitries in the plurality of sub-pixels is arranged in columns, the columns of sub-pixel driving circuitries are divided into a plurality of column units, and each column unit includes at least two adjacent columns of sub-pixel driving circuitries. The display substrate further includes a first initialization signal transmission layer including a first initialization bus and a plurality of first initialization branches. The first initialization branch includes a first branch body member and a plurality of first branch extending members. The first branch body member is coupled to the sub-pixel driving circuitries in a corresponding column unit through the plurality of first branch extending members.
    Type: Grant
    Filed: May 30, 2023
    Date of Patent: January 20, 2026
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dan Cao, Wenhui Gao, Miao Wang, Cong Liu, Binyan Wang, Jingwen Zhang, Yonglin Guo, Gukhwan Song, Zhen Liu
  • Patent number: 12525196
    Abstract: The present disclosure provides a display device, a gate driving circuit, a shift register unit and a driving method thereof. The shift register unit includes an input subcircuit, a first control subcircuit, a second control subcircuit, a third control subcircuit and an output subcircuit. The third control subcircuit is connected to the first node, the second clock signal terminal and the fifth node, and is configured to control a potential of the fifth node according to potentials of the first node and the second clock signal terminal.
    Type: Grant
    Filed: February 27, 2023
    Date of Patent: January 13, 2026
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jingwen Zhang, Yonglin Guo, Dan Cao
  • Publication number: 20250389736
    Abstract: A reagent combination, a kit, a detection system and a detection method for detecting a small molecule substance. In the condition that a solution to be tested does not contain or contains a small amount of the small molecule substance, an antibody binds to a substrate protein conjugate to form an immune complex, a stem-loop structure is generated by means of a complementary pairing among a plurality of nucleic acid molecules, a first fluorescent group excites a second fluorescent group to emit a second fluorescence on the basis of fluorescence resonance energy transfer, and the content of the small molecule substance is calculated. In the condition that the solution to be tested contains a large amount of the small molecule substance, the immune complex and the stem-loop structure cannot be formed, and the second fluorescent group cannot emit the second fluorescent.
    Type: Application
    Filed: August 23, 2022
    Publication date: December 25, 2025
    Applicant: Nanjing Poclight Biotechnology Co., Ltd.
    Inventors: Dan CAO, Shun CHENG
  • Publication number: 20250377355
    Abstract: A reagent combination, kit, system, and method for detecting a target protein are disclosed. In a case that a target protein is contained in the solution to be detected, a first antibody and a second antibody are used to form a double-antibody sandwich structure with the target protein. Through the complementary pairing between multiple single stranded DNAs, the donor fluorescent molecules excite the acceptor fluorescent molecules to emit fluorescence, so as to calculate the content of the target protein. The detection method in the present disclosure is simple, has little background interference, high sensitivity and small measurement error.
    Type: Application
    Filed: August 23, 2022
    Publication date: December 11, 2025
    Applicant: Nanjing Poclight Biotechnology Co., Ltd.
    Inventors: Dan CAO, Shun CHENG
  • Patent number: 12484354
    Abstract: The present application provides a light-emitting substrate and a display device. The light-emitting substrate includes a driving substrate, a light guide functional layer and a reflective layer. The driving substrate is provided with multiple light-emitting devices and multiple support columns. The reflective layer is disposed on the driving substrate and arranged between the light-emitting devices. The reflective layer includes a reflective body and multiple low-reflection units. Each low-reflection unit is arranged around one support column. The reflective layer has greater reflectivity at a position of the reflective body than at a position of each low-reflection unit.
    Type: Grant
    Filed: July 11, 2022
    Date of Patent: November 25, 2025
    Assignee: SUZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Lu Chen, Qiong Liu, Junjie Li, Dan Cao
  • Publication number: 20250265983
    Abstract: A driving circuit, driving method, and display device are provided. The drive circuit includes output circuit and inverting circuit; the output circuit provides driving output signal via the driving output terminal based on data voltage under control of switch control signal and output control signal; the inverting circuit includes N stages of inverters, N is positive integer; input terminal of first inverter is electrically connected to the driving output terminal, and output terminal of N-th inverter is electrically connected to driving signal output terminal; if N is greater than 1, output terminal of m-th inverter is electrically connected to input terminal of (m+1)-th inverter, m is positive integer less than N; the inverter inverts signal received by its input terminal to obtain inverted signal and output it via its output terminal. The drive circuit has high output stability.
    Type: Application
    Filed: May 22, 2024
    Publication date: August 21, 2025
    Inventors: Dan CAO, Yonglin GUO, Ziyang YU, Qingqing YAN, Quanyong GU, Gukhwan SONG, Zhiliang JIANG
  • Patent number: 12389684
    Abstract: Provided is a dummy pixel circuit. The dummy pixel circuit is applicable to a display panel provided with two through vias and disposed between the two through vias, and includes a pixel sub-circuit and a dummy sub-circuit. The pixel sub-circuit includes one or more first transistors, wherein a control electrode of the first transistor is electrically connected to the first gate line. The dummy sub-circuit includes one or more second transistors, wherein a control electrode of the dummy sub-circuit is electrically connected to the first gate line, a first electrode of the second transistor is electrically connected to a first electrode of a corresponding one of the one or more first transistors, and a second electrode of the second transistor is electrically connected to a second electrode of the corresponding first transistor. One of the first transistors corresponds to at least one of the second transistors.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: August 12, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Huijuan Yang, Maoying Liao, Yang Zhou, Lu Bai, Jie Dai, Dan Cao
  • Patent number: 12366062
    Abstract: The present utility model provides a modularized induction flushing device for a urinal and an induction urinal. The modularized induction flushing device comprises a water inlet and outlet assembly, a water drainage assembly, an electromagnetic valve assembly, and a power supply assembly, wherein the modularized induction flushing device further comprises an induction module, the induction module is associated with the electromagnetic valve assembly and is attached to the water inlet and outlet assembly and/or the water drainage assembly, wherein the induction module is configured to be switched between at least two induction modes in a replaceable mode, and the electromagnetic valve assembly responds to different induction modes of the induction module to control flushing of the urinal.
    Type: Grant
    Filed: March 30, 2023
    Date of Patent: July 22, 2025
    Assignee: LIXIL (China) Investment Co., Ltd.
    Inventors: Dan Cao, Heqing Jiang, Jianjian Gao, Junyan Xu
  • Publication number: 20250225937
    Abstract: The present disclosure provides a display device, a gate driving circuit, a shift register unit and a driving method thereof. The shift register unit includes an input subcircuit, a first control subcircuit, a second control subcircuit, a third control subcircuit and an output subcircuit. The third control subcircuit is connected to the first node, the second clock signal terminal and the fifth node, and is configured to control a potential of the fifth node according to potentials of the first node and the second clock signal terminal.
    Type: Application
    Filed: February 27, 2023
    Publication date: July 10, 2025
    Inventors: Jingwen ZHANG, Yonglin GUO, Dan CAO
  • Patent number: 12347373
    Abstract: Disclosed are a display panel and a display device. The pixel circuit in the display panel includes a control circuit, a drive circuit, and a regulating circuit. The control circuit controls the potential of the coupled control node based on the gate drive signal provided by the gate line and the data signal provided by the data line. The drive circuit drives the light-emitting element to emit light based on the potential of the control node and the drive power signal provided by the drive power line. The regulating circuit adjusts the potential of the control node through the coupling effect based on the drive power signal and the initial power signal provided by the initial power line.
    Type: Grant
    Filed: March 28, 2023
    Date of Patent: July 1, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Miao Wang, Yonglin Guo, Dan Cao, Cong Liu, Binyan Wang, Wenhui Gao, Ziyang Yu, Zhiliang Jiang
  • Patent number: 12340751
    Abstract: A pixel driving circuit includes: a driving circuit, connecting a first node, a second node, and a third node, and configured to provide a driving current to the third node by using the second node; a compensation circuit, connecting the third node, a fourth node, and a first gate driving signal end, and configured to conduct the third node and the fourth node; a first reset circuit, connecting a first initial signal end, a fifth node, and a first reset signal end, and configured to transmit a signal of the first initial signal end to the fifth node; a first isolation circuit, connecting the first node and the fourth node, and configured to conduct the first node and the fourth node; and a second isolation circuit, connecting the first node and the fifth node, and configured to conduct the first node and the fifth node.
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: June 24, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yonglin Guo, Cong Liu, Dan Cao, Tiaomei Zhang
  • Publication number: 20250191457
    Abstract: An intelligent toilet seat, a toilet and a monitoring system are provided. The intelligent toilet seat includes: a toilet seat box including a seat box housing, wherein the seat box housing defines a cavity therein; a toilet seat ring pivotally connected with the toilet seat box; a reminder button arranged on a side wall of the seat box housing and configured to accept an input operation to generate a trigger signal; and a control device accommodated in the cavity and including a control module and an IoT communication module, wherein the control module is electrically connected with the reminder button and the IoT communication module respectively, and is configured to trigger the IoT communication module to wirelessly send a reminder signal to an outside upon receiving the trigger signal from the reminder button.
    Type: Application
    Filed: March 16, 2023
    Publication date: June 12, 2025
    Inventors: Zhongde FAN, Yang JIANG, Dan CAO, Junyan XU, Guanming CAI, Yangang JIN
  • Patent number: 12322336
    Abstract: A pixel driving circuit is provided. The pixel driving circuit includes a driving transistor; a storage capacitor having a first capacitor electrode and a second capacitor electrode; a coupling capacitor having a third capacitor electrode and a fourth capacitor electrode; a control transistor; and a data write transistor having a gate electrode connected to a gate line, a first electrode connected to a data line, and a second electrode connected to a first electrode of the control transistor; wherein the control transistor has a gate electrode connected to a fourth control signal line, a first electrode connected to the second electrode of the data write transistor, and a second electrode connected to the first capacitor electrode and the fourth capacitor electrode; a gate electrode of the driving transistor is connected to the third capacitor electrode; and the control transistor is an n-type transistor.
    Type: Grant
    Filed: January 19, 2023
    Date of Patent: June 3, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Wenhui Gao, Dan Cao, Yonglin Guo, Jingwen Zhang, Zhiliang Jiang
  • Publication number: 20250174199
    Abstract: The pixel circuit includes: a light emitting module configured to emit light; a driving module configured to drive the light emitting module to emit light according to a driving voltage during a light emitting stage; a storage module configured to maintain the driving voltage and to provide the driving voltage to the driving module during the light emitting stage; a first transistor, a first electrode of the first transistor being connected to a position where the driving module receives the driving voltage, and a second electrode of the first transistor being not directly connected to a signal source; a second transistor, a first electrode of the second transistor being connected to the first electrode of the first transistor, wherein a structure to which a second electrode of the second transistor is connected is different from a structure to which the second electrode of the first transistor is connected.
    Type: Application
    Filed: January 29, 2025
    Publication date: May 29, 2025
    Inventors: Jingwen ZHANG, Yunsheng XIAO, Miao WANG, Dan CAO