Patents by Inventor Hongmin Li

Hongmin 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: 20200241354
    Abstract: The present disclosure discloses a display substrate, a method for fabricating the same, a reflective liquid crystal display panel, and a display device, and the display substrate includes: an underlying substrate, a black matrix located on a side of the underlying substrate, and a reflecting layer and a common electrode layer located on a side of the black matrix away from the underlying substrate and electrically connected with each other, wherein a orthographic projection of the black matrix onto the underlying substrate overlies a orthographic projection of the reflecting layer onto the underlying substrate. The contrast and display performance of the reflective liquid crystal display panel can be improved.
    Type: Application
    Filed: October 31, 2017
    Publication date: July 30, 2020
    Inventors: Li SUN, Hongmin LI, Wenjun SHAO
  • Patent number: 10720118
    Abstract: Embodiments of the present disclosure provide a shift register and a driving method thereof and a gate driving circuit. The shift register comprises an inputting circuit, a first outputting circuit, and a second outputting circuit. The first outputting circuit may comprise a first pulling-up sub-circuit, a first outputting sub-circuit, a first pulling-down sub-circuit, and a switching sub-circuit. A controlling terminal of switching sub-circuit is coupled to a controlling terminal of the first pulling-up sub-circuit. An inputting terminal of the switching sub-circuit is coupled to the outputting terminal of a first outputting sub-circuit. The second outputting circuit may comprise a second pulling-up sub-circuit, a second outputting sub-circuit, and a second pulling-down sub-circuit. An inputting terminal of the second pulling-up sub-circuit is coupled to an outputting terminal of the switching sub-circuit.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: July 21, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Ying Wang, Meng Li, Xun Pu, Hongmin Li
  • Publication number: 20200225513
    Abstract: The present disclosure relates to a mask and a manufacturing method thereof as well as a display device, the mask includes a transmittable substrate and a mask pattern formed on the transmittable substrate, wherein a transmittance of the transmittable substrate decreases gradually from the edge to the center.
    Type: Application
    Filed: September 30, 2017
    Publication date: July 16, 2020
    Inventors: Ping SONG, Hongmin LI, Zhifu DONG, Wei XUE, Liqing LIAO
  • Publication number: 20200211435
    Abstract: Provided are a shift register unit, a driving method, a gate drive circuit and a display device in the field of display technology. The shift register unit includes an input circuit, an output circuit, and a first pull-down circuit. The output circuit is coupled to a first clock signal terminal, a first node, a first DC power supply terminal, and a first output terminal respectively, and configured to output a first power supply signal from the first DC power supply terminal to the first output terminal in response to a potential of the first node and a first clock signal provided by the first clock signal terminal.
    Type: Application
    Filed: August 21, 2019
    Publication date: July 2, 2020
    Inventors: Ying Wang, Meng Li, Hongmin Li
  • Patent number: 10698278
    Abstract: The embodiments of the present disclosure provide an array substrate, display panel and display apparatus. The array substrate comprises a plurality of gate lines extending in a row direction; a plurality of data lines extending in a column direction; and an array comprising a plurality of pixels. Each column of pixels of the plurality of pixels are coupled to two data lines of the plurality of data lines, the two data lines are configured to provide same data signal for displaying an image to the column of pixels, a first data line of the two data lines and a second data line of the two data lines are arranged at both sides of the column of pixels along the row direction, respectively. The array substrate, display panel and display apparatus according to the embodiments of the present disclosure can greatly reduce coupling capacitance between a pixel electrode and a data line, thereby an effect of reducing crosstalk can be achieved.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: June 30, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhifu Dong, Wei Xue, Hongmin Li, Liqing Liao
  • Patent number: 10691239
    Abstract: A touch display substrate, a driving method of a touch display substrate, and a touch display device. The touch display substrate includes: a base substrate; a plurality of electrode patterns on the base substrate; signal lines in one-to-one correspondence with the electrode patterns; a compensation circuit on the base substrate, wherein the compensation circuit is configured to provide a common voltage signal to the electrode patterns in response to a touch control signal.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: June 23, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Silin Feng, Hongmin Li
  • Publication number: 20200168142
    Abstract: The present disclosure relates to the field of display technologies and provides a shift register unit. The shift register unit includes an input circuit, a pull-up circuit, an output circuit, an auxiliary circuit, a pull-down circuit, a first storage capacitor, and a second storage capacitor. The auxiliary circuit is coupled to a first clock signal terminal, a second clock signal terminal, an input terminal and a first output terminal. The second storage capacitor is coupled between a first node and a pull-up node.
    Type: Application
    Filed: July 8, 2019
    Publication date: May 28, 2020
    Inventors: Ying WANG, Meng LI, Wei XUE, Hongmin LI
  • Patent number: 10665146
    Abstract: A shift register circuit, a driving method, a gate driving circuit and a display device are provided. The shift register circuit includes an input circuit; a reset circuit; a first pull-up node control circuit; a second pull-up node control circuit for controlling the pull-up node to couple to the second level output terminal when a potential of the pull-down node is a first level; a first pull-down node control circuit for controlling the potential of the pull-down node being the first level in the reset phase; a second pull-down node control circuit for controlling the pull-down node to couple to the second level output terminal when the potential of the pull-up node is the first level; a gate drive signal output circuit; and a carry signal output circuit for controlling the carry signal output terminal to output a carry signal under control of the pull-up node and the pull-down node.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: May 26, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Silin Feng, Hongmin Li
  • Patent number: 10658061
    Abstract: A shift register circuit, a driving method, a gate driving circuit, and a display device are provided. The shift register circuit includes a clock signal adjustment circuit and a self-control conduction circuit; the clock signal adjustment circuit includes a first clock signal input terminal, a second clock signal input terminal, and a clock signal adjustment output terminal; the clock signal adjusting circuit is configured to, in the case that the first clock signal and the second clock signal are both at a second level, output a first level via a clock signal adjustment output terminal; the self-control conduction circuit is configured to, in the case that the pull-up node is at the first level, control the clock signal adjustment output terminal connect with a pull-up node, or in the case that the pull-up node is at a second level, disconnect the clock signal adjustment output terminal from the pull-up node.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: May 19, 2020
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liqing Liao, Hongmin Li, Zhifu Dong, Silin Feng
  • Publication number: 20200090570
    Abstract: A shift register circuit, a driving method, a gate driving circuit and a display device are provided. The shift register circuit includes an input circuit; a reset circuit; a first pull-up node control circuit; a second pull-up node control circuit for controlling the pull-up node to couple to the second level output terminal when a potential of the pull-down node is a first level; a first pull-down node control circuit for controlling the potential of the pull-down node being the first level in the reset phase; a second pull-down node control circuit for controlling the pull-down node to couple to the second level output terminal when the potential of the pull-up node is the first level; a gate drive signal output circuit; and a carry signal output circuit for controlling the carry signal output terminal to output a carry signal under control of the pull-up node and the pull-down node.
    Type: Application
    Filed: May 26, 2017
    Publication date: March 19, 2020
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Silin FENG, Hongmin LI
  • Patent number: 10593416
    Abstract: A shift register, a driving method, a gate driving circuit and a display device are provided. The shift register includes: a reset circuit, a latch circuit, an output control circuit, and an output circuit which are series connected in sequence. The reset circuit is configured to provide an input signal from the input signal end for the pull-up node under the control of a reset signal from the reset signal end; the latch circuit is respectively connected to the input signal end and the pull-up node, and is configured to control the potential of the pull-up node; the output control circuit is respectively connected to the pull-up node, a dock signal end, and a control node, and is configured to control the potential of the control node; and the output circuit is respectively connected to the control node and an output end, and is configured to control the potential of the output end.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: March 17, 2020
    Assignees: BOE Technology Group Co., Ltd., Hefei BOE Optoelectronics Technology Co., Ltd.
    Inventors: Jian Tao, Zhifu Dong, Hongmin Li
  • Patent number: 10580376
    Abstract: A shift register and driving method thereof, a gate driving circuit and a display apparatus are provided. The shift register includes an input unit, a reset unit, a first control unit, a second control unit, a first output unit, a second output unit, a first signal output end and a second signal output end. Potential of the first signal output end is controlled by use of the input unit, the reset unit, the first control unit and the first output unit, and potential of the second signal output end is controlled by use of the input unit, the reset unit, the second control unit and the second output unit. The first control unit and the first output unit, the second control unit and the second output unit are utilized for controlling and sharing the input unit and the reset unit so that function of two shift register units are realized.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: March 3, 2020
    Assignees: BOE Technology Group Co., Ltd., Hefei BOE Optoelectronics Technology Co., Ltd.
    Inventors: Silin Feng, Hongmin Li, Ping Song
  • Patent number: 10578910
    Abstract: The present disclosure relates to a substrate for a display panel, a display panel and a display device. The substrate according to the present disclosure comprises a base doped with upconverting ions capable of converting an infrared light beam into a visible light beam, the base is made of microcrystalline glass, and the microcrystalline glass comprises at least one of matrix materials NaYF4 and NaGdF4. The substrate according to the present disclosure may be used for any of a color filter substrate, an array substrate and a coverplate of the display panel.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: March 3, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Liqing Liao, Zhifu Dong, Dong Wang, Hongmin Li
  • Patent number: 10572077
    Abstract: The present application discloses a self-capacitive touch electrode structure comprising a first sub-array comprising a plurality of first touch electrodes in a first periodic sub-lattice, and a second sub-array comprising a plurality of second touch electrodes in a second periodic sub-lattice. The first sub-array and the second sub-array define an array of touch electrodes comprising a plurality of touch electrode pairs in a periodic lattice, a minimum translational repeat unit of the array of touch electrodes comprising a pair of first touch electrode and second touch electrode adjacent to each other. Each first touch electrode comprises at least one recess surrounding a protrusion of an adjacent second touch electrode, and at least one protrusion surrounded by a recess in an adjacent second touch electrode. Each of the plurality of first touch electrodes and the plurality of second touch electrodes is independently connected to a touch signal line.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: February 25, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xun Pu, Hongmin Li
  • Publication number: 20200043393
    Abstract: A shift register, a gate drive circuit, a display panel, and a driving method. The shift register includes: an input circuit, which is connected to a pull-up node and an input signal terminal respectively; an output circuit, which is connected to the pull-up node, a clock signal terminal, a direct current signal terminal and an input terminal respectively, wherein the clock signal terminal provides a clock signal, the direct current signal terminal provides a direct current signal, and the output circuit outputs a scanning signal from the output terminal; and an output pull-down circuit, which is connected to the output circuit. The output circuit is configured to output a scanning signal from the output terminal as one from among the direct current signal and the clock signal when a first output condition is satisfied.
    Type: Application
    Filed: August 29, 2018
    Publication date: February 6, 2020
    Applicants: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Silin Feng, Zhifu Dong, Wei Xue, Hongmin Li
  • Publication number: 20200043072
    Abstract: Embodiments of a system and method for an enterprise product line design and pricing solution are disclosed.
    Type: Application
    Filed: August 2, 2019
    Publication date: February 6, 2020
    Applicant: Arizona Board of Regents on Behalf of Arizona State University
    Inventors: Hongmin Li, Scott Webster
  • Publication number: 20200043029
    Abstract: Embodiments for systems and methods for optical pricing under diffusion-choice models, i.e., models combining consumer choice with diffusion, are disclosed.
    Type: Application
    Filed: August 2, 2019
    Publication date: February 6, 2020
    Applicant: Arizona Board of Regents on Behalf of Arizona State University
    Inventor: Hongmin Li
  • Patent number: 10509518
    Abstract: A touch substrate, a manufacturing method thereof and a display device. The touch substrate, comprising a plurality of self-capacitive electrodes; a planar shape of each self-capacitive electrode on a surface provided with the plurality of self-capacitive electrodes includes a body section and a plurality of projections extending from a first side of the body section; the plurality of projections extend along a first direction and sequentially arranged along a second direction. On the surface provided with the plurality of self-capacitive electrodes, a recessed portion is encircled by every two projections and the body portion of each self-capacitive electrode; and in the recessed portion is provided with one of a plurality of projections of another self-capacitive electrode. The touch substrate can reduce the number of leads while ensuring the touch accuracy.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: December 17, 2019
    Assignees: BOE Technology Group Co., Ltd., Hefei BOE Optoelectronics Technology Co., Ltd.
    Inventors: Xun Pu, Hongmin Li
  • Patent number: 10504601
    Abstract: A shift register unit, a driving method thereof, a gate driving circuit and a display device are provided. The shift register unit includes an input circuit, a resetting circuit, a pull-down node control circuit, a storage circuit, a gate driving signal output circuit, and a pull-up node potential maintaining circuit. The pull-up node potential maintenance circuit is connected to a gate driving signal output end and a pull-up node, and configured to maintain a potential at the pull-up node to be a high level when the gate driving signal output end outputs a gate driving signal at a high level.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: December 10, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Li Sun, Jian Tao, Hongmin Li
  • Publication number: 20190371224
    Abstract: A shift register, a method for driving the same, a gate drive circuit and a display device are provided. The shift register includes a write circuit, a pull-down control circuit and an output circuit. The write circuit is configured to write a write signal provided by a write signal input terminal to a pull-up node. The pull-down control circuit is configured to write a first operating voltage provided by a first power supply terminal to a pull-down node, and write a first clock signal to the pull-down node. The output circuit is configured to write a drive signal provided by a drive signal input terminal to a drive signal output terminal, and write a second operating voltage provided by a second power supply terminal to the drive signal output terminal.
    Type: Application
    Filed: February 28, 2019
    Publication date: December 5, 2019
    Inventors: Jian TAO, Fengjing TANG, Jie GAO, Hongmin LI