Patents by Inventor Li Xiao

Li Xiao 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: 11796877
    Abstract: The present disclosure discloses a display panel and a display device. The display panel includes: a base substrate, including a plurality of substrate via holes located in a display area of the display panel; and a plurality of driving signal lines and a plurality of bonding terminals, respectively located on different sides of the base substrate. At least one of the plurality of driving signal lines is electrically connected to at least one of the plurality of bonding terminals through the substrate via hole(s).
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: October 24, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Liang Chen, Minghua Xuan, Dongni Liu, Haoliang Zheng, Li Xiao, Zhenyu Zhang, Hao Chen, Ke Wang
  • Publication number: 20230336267
    Abstract: An optical signal adjusting apparatus, device and method, and storage medium. The optical signal adjusting apparatus (1) includes a differential operation circuit (11), a feedforward amplification circuit (12) and a control circuit (13), wherein input ends of control circuit (13) are respectively connected to an output end of the differential operation circuit (11) and an output end of the feedforward amplification circuit (12); the differential operation circuit (11) is configured to perform a differential operation on an input optical signal and an output optical signal, to obtain a differential value; the feedforward amplification circuit (12) is configured to perform feedforward amplification on the input optical signal, to obtain a feedforward value; and the control circuit (13) is configured to receive the differential value and the feedforward value, and adjusts the output optical signal according to the differential value and the feedforward value, to obtain an adjusted output optical signal.
    Type: Application
    Filed: December 8, 2020
    Publication date: October 19, 2023
    Inventors: Zhi CHEN, Li XIAO, Qinlian BU, Chunping YU, Weiqing ZHANG
  • Publication number: 20230299867
    Abstract: Provided are a communication station, an optical communication system, a data transmission method, and a storage medium. The communication station is a first station including: a first reconfigurable optical add-drop multiplexing ROADM device, including a first port used to connect a cable in a first direction of a network; a second ROADM device connected to the first ROADM device and including a second port which may be used to connect a cable in a second direction of the network being different from the first direction; an optical protection device connected to each of the first and second ROADM devices and used to control the first station to transmit communication with a second station for a corresponding service in the first direction corresponding to the first ROADM device, or to transmit communication with the second station for a corresponding service in the second direction corresponding to the second ROADM device.
    Type: Application
    Filed: December 22, 2020
    Publication date: September 21, 2023
    Inventors: Li Xiao, Jiekui Yu, Gang Lu, Zhaoxia Liu, Qianggao Hu, Liyan Huang
  • Patent number: 11763743
    Abstract: A pixel circuit includes a current control sub-circuit, a combined light emitting sub-circuit, and a first light emitting element to an Nth light emitting element, N being a natural number greater than 1. The current control sub-circuit is configured to receive a display data signal and a light emitting control signal, control whether to generate a driving current according to the light emitting control signal, and control a current intensity of the generated driving current according to the display data signal. The combined light emitting sub-circuit is configured to receive the driving current and a first light emitting data signal to an Nth light emitting data signal and drive one or more of the first light emitting element to the Nth light emitting element to emit light according to the first light emitting data signal to the Nth light emitting data signal.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: September 19, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Liang Chen, Dongni Liu, Li Xiao, Minghua Xuan, Haoliang Zheng, Zhenyu Zhang, Hao Chen, Jiao Zhao, Qi Qi
  • Patent number: 11741883
    Abstract: The present disclosure proposes a pixel circuit, a control method thereof and a display panel. The pixel circuit includes a first light-emitting element, a pixel drive circuit connected with the first light-emitting element, a repair branch circuit connected with a node between the pixel drive circuit and the first light-emitting element, wherein the repair branch circuit includes a switch circuit and a second light-emitting element connected in series, and the switch circuit controls a connection or disconnection of the second light-emitting element with the pixel drive circuit; a control circuit connected with a control terminal of the switch circuit, a first data terminal and a first control terminal, the control circuit is configured to write a signal of the first data terminal to the control terminal of the switch circuit under a control of the first control terminal to control on or off of the switch circuit.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: August 29, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Dongni Liu, Minghua Xuan, Li Xiao, Liang Chen, Hao Chen
  • Publication number: 20230260453
    Abstract: An array substrate includes M pixel lines and N pixel circuit groups. The M pixel lines are disposed in a display area and arranged in a first direction. The N pixel circuit groups are arranged in the first direction. M is an integer greater than or equal to 2, and N is a positive integer less than M. A pixel circuit group of the N pixel circuit groups is electrically connected to adjacent two pixel lines of the M pixel lines, and the first direction is one of a row direction and a column direction.
    Type: Application
    Filed: April 26, 2023
    Publication date: August 17, 2023
    Inventors: Jiao ZHAO, Li XIAO, Minghua XUAN, Haoliang ZHENG, Dongni LIU, Jing LIU, Qi QI, Zhenyu ZHANG, Liang CHEN, Hao CHEN, Lijun YUAN
  • Publication number: 20230260461
    Abstract: A pixel circuit includes a driving circuit, a first control circuit and a second control circuit. The driving circuit is configured to receive a data signal in response to a scan signal, and generate, in response to a first enable signal, a driving signal according to a first voltage and the data signal. The first control circuit is configured to: receive a first input signal in response to a first control signal, and transmit a third input signal in response to the first input signal; and receive a second input signal in response to a second control signal, and transmit a second enable signal in response to the second input signal. The second control circuit is configured to transmit the driving signal to an element to be driven in response to one of the third input signal and the second enable signal.
    Type: Application
    Filed: April 27, 2023
    Publication date: August 17, 2023
    Inventors: Li XIAO, Haoliang ZHENG, Hao CHEN, Minghua XUAN, Dongni LIU, Seungwoo HAN, Liang CHEN, Jiao ZHAO, Xue DONG
  • Patent number: 11721287
    Abstract: Provided are a photoelectric detection circuit and a driving method thereof, a display apparatus and a manufacturing method thereof. The photoelectric detection circuit includes: a first reset sub-circuit, a second reset sub-circuit, a first storage sub-circuit, a data read sub-circuit and a photosensitive device. A first terminal of the data read sub-circuit, a first terminal of the first storage sub-circuit, a first electrode of the photosensitive device and a first terminal of the first reset sub-circuit are connected to a first node. A second electrode of the photosensitive device is connected to a common voltage line. The data read sub-circuit is configured to transmit a voltage of the first node to a data read line in response to a signal of a scan line. The first reset sub-circuit is configured to reset the voltage of the first node.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: August 8, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhenyu Zhang, Li Xiao, Dongni Liu, Liang Chen, Hao Chen, Haoliang Zheng, Minghua Xuan, Jiao Zhao
  • Publication number: 20230201314
    Abstract: The present disclosure relates to the technical field of biomedicine, in particular to use of advanced platelet-rich fibrin (A-PRF) in preparing a medicament for the treatment of diabetic foot ulcer. The A-PRF provided by the present disclosure has a loose reticular fibrin structure, can be rich in more platelets and leukocytes, can release a plurality of growth factors and cytokines more persistently, and is more beneficial to tissue regeneration and wound repair. The medicament prepared from the A-PRF shortens the healing period of the diabetic foot ulcer, improves the healing rate, and has an excellent treatment effect and high safety.
    Type: Application
    Filed: December 22, 2022
    Publication date: June 29, 2023
    Inventors: Di ZHU, Caizhe YANG, Nan SU, Hongmei CHEN, Li XIAO, Ying CHEN, Liangchen WANG, Chenrui WANG, Xiaotian ZHANG
  • Patent number: 11688336
    Abstract: An array substrate includes pixel group(s) and pixel circuit group(s), each pixel group includes pixels, and each pixel includes sub-pixel(s). At least two pixel groups are arranged in a row direction; in a column direction, a length of a pixel group is greater than a length of a pixel circuit group electrically connected thereto; and orthographic projections of a sub-pixel and a pixel circuit group electrically connected to a pixel group to which the sub-pixel belongs on a plane does not overlap. Or, the at least two pixel groups are arranged in the column direction; in the row direction, a length of a pixel group is greater than a length of a pixel circuit group electrically connected thereto; and orthographic projections of a sub-pixel and a pixel circuit group electrically connected to a pixel group to which the sub-pixel belongs on another plane does not overlap.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: June 27, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiao Zhao, Li Xiao, Minghua Xuan, Haoliang Zheng, Dongni Liu, Jing Liu, Qi Qi, Zhenyu Zhang, Liang Chen, Hao Chen, Lijun Yuan
  • Patent number: 11688347
    Abstract: A pixel circuit includes a driving circuit, a first control circuit and a second control circuit. The driving circuit is configured to receive a data signal in response to a scan signal, and generate, in response to a first enable signal, a driving signal according to a first voltage and the data signal. The first control circuit is configured to: receive a first input signal in response to a first control signal, and transmit a third input signal in response to the first input signal; and receive a second input signal in response to a second control signal, and transmit a second enable signal in response to the second input signal. The second control circuit is configured to transmit the driving signal to an element to be driven in response to one of the third input signal and the second enable signal.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: June 27, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Xiao, Haoliang Zheng, Hao Chen, Minghua Xuan, Dongni Liu, Seungwoo Han, Liang Chen, Jiao Zhao, Xue Dong
  • Patent number: 11680060
    Abstract: The present invention is directed to bicyclo[4.1.0]heptane pyrrolidine compounds which are agonists of orexin receptors. The present invention is also directed to uses of the compounds described herein in the potential treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The present invention is also directed to compositions comprising these compounds. The present invention is also directed to uses of these compositions in the potential prevention or treatment of such diseases in which orexin receptors are involved.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: June 20, 2023
    Assignee: Merck Sharp & Dohme LLC
    Inventors: Stephane L. Bogen, Dane James Clausen, Deodial Guy Guiadeen, Jinsong Hao, Shishi Lin, Michael T. Rudd, Lan Wei, Li Xiao, Dexi Yang
  • Publication number: 20230174992
    Abstract: The present disclosure provides ketoreductase enzymes having improved properties as compared to a naturally occurring wild-type ketoreductase enzyme including the capability of reducing N-(7-((2S,4R,5R)-4-fluoro-3,3-dihydroxy-5-(hydroxymethyl) tetrahydrofuran-2-yl)-4-oxo-4,7-dihydro-3H-pyrrolo[3,2-d]pyrimidin-2-yl)isobutyramide. Also provided are polynucleotides encoding the ketoreductase enzymes, host cells capable of expressing the ketoreductase enzymes, and methods of using the ketoreductase enzymes to synthesize N-(9-((2R,3S,4S,5R)-4-fluoro-3-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-6-oxo-6,9-dihydro-1H-purin-2-yl)isobutyramide.
    Type: Application
    Filed: May 20, 2021
    Publication date: June 8, 2023
    Applicant: Merck Sharp & Dohme LLC
    Inventors: Tamas Benkovics, Karla M. Camacho Soto, John McIntosh, Jeffrey C. Moore, Weilan Pan, Deeptak Verma, Li Xiao
  • Publication number: 20230113488
    Abstract: The present disclosure provides a display substrate and a display device, and belongs to the field of display technology. The display substrate of the present disclosure includes: a base substrate; and a plurality of pixel units arranged in an array, a plurality of signal lines and signal supply modules on the base substrate; wherein the signal supply module includes: a signal supply circuit and a redundant signal supply circuit; each of the signal supply modules is electrically coupled to at least one of the plurality of pixel units through at least one of the plurality of signal lines.
    Type: Application
    Filed: November 27, 2019
    Publication date: April 13, 2023
    Inventors: Jiao ZHAO, Li XIAO, Minghua XUAN, Haoliang ZHENG, Dongni LIU, Jing LIU, Qi QI
  • Patent number: 11616043
    Abstract: A chip transfer method including: disposing a target substrate in a closed cavity, the target substrate including a first alignment bonding structure and a second alignment bonding structure; applying a charge of a first polarity to the first alignment bonding structure of the target substrate; applying a charge of a second polarity to a first chip bonding structure of a chip; injecting an insulating fluid into the closed cavity to suspend the chip in the insulating fluid within the closed cavity; and applying a bonding force to the chip.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: March 28, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Liang Chen, Lei Wang, Minghua Xuan, Li Xiao, Dongni Liu, Detao Zhao, Hao Chen
  • Patent number: 11610943
    Abstract: The present application relates to the field of display technology, and in particular, to a display panel, method for manufacturing a display panel and display device. The display panel includes: a base substrate; a pixel layer, provided on the base substrate and comprising a plurality of pixel islands; and a microlens layer, provided on a surface of the pixel layer facing away from the base substrate. Each of pixel islands includes a plurality of sub-pixels that emit light of a same color and are seamlessly coupled to each other, and the light emitted by the plurality of sub-pixels in each of the pixel islands is refracted by the microlens layer to be dispersed to different pixel areas.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: March 21, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongni Liu, Minghua Xuan, Li Xiao
  • Patent number: 11605348
    Abstract: A pixel circuit includes an input circuit and a time control circuit. The input circuit includes a driving transistor, and the input circuit is configured to write a data signal into a gate of the driving transistor in response to a first gate signal, so that the driving transistor outputs a driving signal for driving an element to be driven to emit light according to a gate voltage and a source voltage thereof. The time control circuit is coupled to the input circuit and the element to be driven, and is configured to control the input circuit to transmit the driving signal to the element to be driven for a first duration, and control the input circuit to transmit the driving signal to the element to be driven for a second duration. The second duration is shorter than the first duration, and includes a plurality of phases spaced apart.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: March 14, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Minghua Xuan, Dongni Liu, Haoliang Zheng, Li Xiao, Xue Dong
  • Publication number: 20230071948
    Abstract: The present disclosure discloses a display panel and a display device. The display panel includes: a base substrate, including a plurality of substrate via holes located in a display area of the display panel; and a plurality of driving signal lines and a plurality of bonding terminals, respectively located on different sides of the base substrate. At least one of the plurality of driving signal lines is electrically connected to at least one of the plurality of bonding terminals through the substrate via hole(s).
    Type: Application
    Filed: November 10, 2022
    Publication date: March 9, 2023
    Inventors: Liang CHEN, Minghua XUAN, Dongni LIU, Haoliang ZHENG, Li XIAO, Zhenyu ZHANG, Hao CHEN, Ke WANG
  • Publication number: 20230061159
    Abstract: The present invention provides a method for improving the stability of pramipexole or its salt preparation, and further provides a pramipexole hydrochloride oral liquid with excellent stability and oral absorption effect. The pramipexole hydrochloride oral liquid of the present invention is prepared through a simple process, and shows bioequivalence with the tablet containing pramipexole hydrochloride. The invention perfectly realizes multi-dose administration of pramipexole hydrochloride and improves the compliance and accessibility of medication for patients.
    Type: Application
    Filed: January 8, 2021
    Publication date: March 2, 2023
    Inventors: Xinhua FAN, Yanyuan ZHANG, Yun HE, Pengfei LI, Xiang ZHANG, Longhao WU, Peng PENG, Sujing ZHUANG, Li XIAO, Yongrui TU
  • Patent number: D993795
    Type: Grant
    Filed: November 3, 2022
    Date of Patent: August 1, 2023
    Inventor: Li Xiao