Patents by Inventor Tieshi WANG

Tieshi WANG 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: 12272305
    Abstract: A display substrate and a display device are disclosed. The display substrate includes a light-transmitting region, wherein the light-transmitting region includes a plurality of rows of effective sub-pixel sets and a plurality of main spacers, each row of the plurality of rows of effective sub-pixel sets includes a plurality of effective sub-pixel sets, each of the plurality of effective sub-pixel sets includes a plurality of effective sub-pixels, any two adjacent effective sub-pixel sets in a same row are spaced apart from each other by one main spacer, the main spacer includes at least two sub-spacers arranged along a column direction. At least two sub-spacers arranged along a row direction have different widths; and/or at least two sub-spacers of a same main sub-spacer have different widths.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: April 8, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhiqiang Xu, Wei Qin, Chunfang Zhang, Weixing Liu, Tieshi Wang, Xuefei Sun
  • Publication number: 20250069529
    Abstract: A display panel and a display device are provided. The display panel includes sub-pixels, data lines and gate lines. The sub-pixels include pixel circuits connected to the data lines and the gate lines. The display panel includes display subregions and selection signal line groups in one-to-one correspondence, each display subregion includes at least two sub-pixels, each selection signal line group includes selection signal lines, and the selection signal lines corresponding to different display subregions are insulated from each other; the pixel circuit includes a transistor in which an active semiconductor layer includes a first part and a second part, the first part overlaps with the gate line electrically connected with the transistor, and the second part overlaps with at least one selection signal line, and the gate line and the selection signal line are both configured to turn on the transistor upon being input with a turn-on voltage.
    Type: Application
    Filed: April 29, 2022
    Publication date: February 27, 2025
    Applicant: BEIJING SHIYAN TECHNOLOGY CO., LTD.
    Inventors: Jiankang SUN, Fuqiang LI, Minglei CHU, Tieshi WANG, Zhongyuan WU, Wei SUN, Kuanjun PENG, Rui LIU, Xue DONG, Dini XIE, Jiushi WANG, Libo WANG, Shunyu YAO, Jing YU, Hongrun WANG, Changfeng LI, Lizhen ZHANG
  • Patent number: 12236911
    Abstract: A display method is provided. The display method includes providing a display panel having a plurality of subpixels, a respective subpixel of the plurality of subpixels including a first area, n1 number of second areas, and n2 number of third areas, the first area being between the n1 number of second areas and the n2 number of third areas, n1?1, and n2?1; for displaying a first frame of image, controlling light emission of the respective subpixel to be limited in the first area, m1 number of the n1 number of second areas, and m2 number of the n2 number of third areas; and for displaying a second frame of image, controlling light emission of the respective subpixel to be limited in the first area, m1? number of the n1 number of second areas, and m2? number of the n2 number of third areas.
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: February 25, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xiaolong Li, Kuanjun Peng, Kai Guo, Wanpeng Teng, Chunfang Zhang, Weixing Liu, Zhiqiang Xu, Tieshi Wang, Feihu Zhou
  • Patent number: 12236824
    Abstract: The present disclosure provides a gate driving circuit, a method of driving a gate driving circuit, and a display panel. The gate driving circuit includes a plurality of driving units connected in cascade. Each driving unit includes: N shift register units; and a mode control circuit connected to the N shift register units, wherein the mode control circuit is configured to receive a control signal for the driving unit, and connect the N shift register units in one of a plurality of resolution modes under the control of the control signal.
    Type: Grant
    Filed: October 20, 2023
    Date of Patent: February 25, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weixing Liu, Wei Qin, Kuanjun Peng, Tieshi Wang, Chunfang Zhang, Hui Zhang, Changfeng Li, Shunhang Zhang, Kai Hou, Hongrun Wang, Liwei Liu, Yunsik Im, Wanpeng Teng, Xiaolong Li, Kai Guo, Zhiqiang Xu
  • Patent number: 12232346
    Abstract: Disclosed are a quantum dot light-emitting device and a driving method thereof, and a display substrate. The quantum dot light-emitting device has a laminated structure, the laminated structure may be simplified into a quantum dot light-emitting device of one upright light-emitting structure and one inverted light-emitting structure, and the upright light-emitting structure and the inverted light-emitting structure are placed in a laminated mode through a layer of a common electrode.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: February 18, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Tieshi Wang
  • Patent number: 12223903
    Abstract: A pixel circuit, a display panel, a display apparatus and a driving method. The pixel circuit includes a data signal writing module, a driving module, a threshold compensation transistor, a first power voltage writing module and a light-emitting module, wherein the driving module includes a driving transistor.
    Type: Grant
    Filed: December 11, 2023
    Date of Patent: February 11, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueling Gao, Chengchung Yang, Tieshi Wang, Jintao Peng
  • Patent number: 12203019
    Abstract: The present disclosure discloses a nanoparticle having a ligand with a changeable polarity, a nanoparticle layer patterning method and related application. When the nanoparticle disclosed by the present disclosure is adopted to form a patterned nanoparticle layer on a substrate, a photosensitive material is added in the nanoparticle, then a protective group in a first ligand is dissociated to form an amino under the irradiation of light with a preset wavelength, a second ligand including an amino is formed on a surface of a nanometer particle, and a polarity of the second ligand is different from a polarity of the first ligand; and the amino of the second ligand is cross-linked with an adjacent nanoparticle.
    Type: Grant
    Filed: October 19, 2023
    Date of Patent: January 21, 2025
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhuo Chen, Tieshi Wang
  • Publication number: 20240412682
    Abstract: A display substrate (910), comprising a plurality of pixel units (P11, P12, P21, P22) and at least one compensation circuit. At least one pixel unit (P11, P12, P21, P22) comprises: a main light-emitting unit and an auxiliary light-emitting unit; and the at least one compensation circuit is connected to the auxiliary light-emitting unit of the at least one pixel unit (P11, P12, P21, P22). The at least one compensation circuit is configured to measure the brightness or temperature of the at least one pixel unit (P11, P12, P21, P22) and control the auxiliary light-emitting unit of the at least one pixel unit (P11, P12, P21, P22) to emit light according to a measurement result.
    Type: Application
    Filed: July 7, 2022
    Publication date: December 12, 2024
    Inventors: Weixing LIU, Kuanjun PENG, Bin QIN, Kai GUO, Tieshi WANG, Fangzhen ZHANG
  • Publication number: 20240363645
    Abstract: An array substrate and a display device are provided. The array substrate includes: a substrate, sub-pixel units, first signal lines, and second signal lines; multiple first signal lines and multiple second signal lines intersect to define the opening areas of the sub-pixel units; each second signal line includes: multiple first parts extending along the column direction, and multiple second parts; the second part includes a portion extending along the inclination direction, and the second part connects two first parts; the angle between the inclination direction and the column direction or row direction is greater than 0; each first part is adjacent to the opening area of the sub-pixel units in the row direction, and multiple second parts respectively pass through at least of the areas between adjacent two pixel repeating unit rows, with the distance between the two first parts being greater than 0 in the row direction.
    Type: Application
    Filed: July 10, 2024
    Publication date: October 31, 2024
    Applicant: BEIJING SHIYAN TECHNOLOGY CO., LTD.
    Inventors: Jiankang SUN, Fuqiang LI, Minglei CHU, Tieshi WANG, Zhongyuan WU, Wei SUN, Kuanjun PENG, Rui LIU, Xue DONG, Dini XIE, Jiushi WANG, Libo WANG, Shunyu YAO, Jing YU, Hongrun WANG, Lizhen ZHANG, Changfeng LI
  • Patent number: 12087245
    Abstract: A display apparatus and a driving method therefor. The driving method includes: determining a gaze area and a non-gaze area of a user on a display apparatus in real time (S10); and driving the gaze area for image displaying at a first resolution, and driving the non-gaze area for image displaying at a second resolution, wherein the first resolution is higher than the second resolution. By using of the display apparatus, image resolution can be adjusted according to different areas, so as to realize high-resolution image display in a display area at which a user gazes and realize low-resolution image display in other areas, thereby reducing power consumption and achieving reasonable allocation of resources on the premise of ensuring the user experience.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: September 10, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Shaolei Zong, Jigang Sun, Weixin Jiang, Bin Wang, Wei Sun, Xin Duan, Shuhuan Yu, Kexin Hao, Jiaqi Fan, Zhaoyun Gu, Shaoru Zhang, Tieshi Wang, Kuanjun Peng, Xue Dong, Wei Qin, Weixing Liu
  • Publication number: 20240282263
    Abstract: A pixel driving circuit includes a data writing circuit, a light-emitting control circuit, a switching circuit and a light-emitting diode chip. The data writing circuit is electrically connected to a first scanning signal terminal, a data signal terminal and a first node. The light-emitting control circuit is configured to transmit a first voltage signal received at the first voltage signal terminal to a second node. The switching circuit includes switching transistors. The light-emitting diode chip is electrically connected to the second node. The light-emitting diode chip includes light-emitting portions. The light-emitting diode chip is configured to drive the light-emitting portions to emit light in different periods of time respectively or drive at least two light-emitting portions to emit light in a same period of time. At least part of the light-emitting portions are sequentially connected in series through at least one switching transistor.
    Type: Application
    Filed: April 30, 2024
    Publication date: August 22, 2024
    Inventors: Weixing LIU, Kuanjun PENG, Bin QIN, Xue DONG, Fangzhen ZHANG, Wanpeng TENG, Tieshi WANG, Wanzhi CHEN, Kai GUO, Chunfang ZHANG
  • Publication number: 20240276856
    Abstract: Disclosed are a preparation method of a light-emitting device, a light-emitting device, and a light-emitting apparatus. The light-emitting device includes a substrate, and a first electrode and a carrier assist layer that are arranged in stack on a side of the substrate, the first electrode is arranged adjacent to the substrate, and the preparation method includes: providing a substrate; forming the first electrode on a side of the substrate, the first electrode being provided with a patterned shape; by adopting an electrochemical polymerization method, placing the first electrode in an electrolyte solution as a positive electrode or a working electrode, and polymerizing polymerizable monomers in the electrolyte solution at the surface of the first electrode to form the carrier assist layer, where the material of the carrier assist layer includes a polymer of the polymerizable monomers.
    Type: Application
    Filed: December 20, 2021
    Publication date: August 15, 2024
    Applicants: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventor: Tieshi Wang
  • Publication number: 20240268136
    Abstract: A quantum dot light-emitting device and a method for patterning a quantum dot layer are disclosed. The quantum dot light-emitting device includes: a substrate; and a quantum dot layer located on the substrate; where the quantum dot layer includes a first quantum dot unit, a second quantum dot unit and a third quantum dot unit that emit light of different colors; an azobenzene compound layer is arranged between the substrate and the first quantum dot unit, between the first quantum dot unit and the second quantum dot unit, and between the second quantum dot unit and the third quantum dot unit, an orthographic projection of the azobenzene compound layer on the substrate completely covers the substrate, and an azobenzene compound of the azobenzene compound layer has a trans structure.
    Type: Application
    Filed: March 24, 2022
    Publication date: August 8, 2024
    Inventor: Tieshi WANG
  • Publication number: 20240268149
    Abstract: A light emitting substrate is provided. The light emitting substrate includes a plurality of subpixels. A respective subpixel of the plurality of subpixels includes n1 number of main light emitting elements; n1 number of main pixel driving circuits configured to drive light emission in the n1 number of main light emitting elements; n2 number of auxiliary light emitting elements; n2 number of auxiliary pixel driving circuits configured to drive light emission in the n2 number of auxiliary light emitting elements; n1?1, and n2?1. A respective main pixel driving circuit of the n1 number of main pixel driving circuits includes a first driving transistor. A respective auxiliary pixel driving circuit of the n2 number of auxiliary pixel driving circuits includes a second driving transistor.
    Type: Application
    Filed: March 22, 2022
    Publication date: August 8, 2024
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Weixing Liu, Wanpeng Teng, Tieshi Wang, Chunfang Zhang, Kai Guo, Xiaolong Li, Zhiqiang Xu
  • Publication number: 20240242688
    Abstract: A display method is provided. The display method includes providing a display panel having a plurality of subpixels, a respective subpixel of the plurality of subpixels including a first area, n1 number of second areas, and n2 number of third areas, the first area being between the n1 number of second areas and the n2 number of third areas, n1?1, and n2?1; for displaying a first frame of image, controlling light emission of the respective subpixel to be limited in the first area, m1 number of the n1 number of second areas, and m2 number of the n2 number of third areas; and for displaying a second frame of image, controlling light emission of the respective subpixel to be limited in the first area, ml? number of the n1 number of second areas, and m2? number of the n2 number of third areas.
    Type: Application
    Filed: January 19, 2022
    Publication date: July 18, 2024
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Xiaolong Li, Kuanjun Peng, Kai Guo, Wanpeng Teng, Chunfang Zhang, Weixing Liu, Zhiqiang Xu, Tieshi Wang, Feihu Zhou
  • Publication number: 20240224582
    Abstract: A light emitting device and a fabricating method thereof, and a light emitting apparatus, which relates to the technical field of semiconductors. The light emitting device includes: a substrate, and a luminescent layer and an additional component that are provided on one side of the substrate, the additional component is capable of having a chemical reaction with water and oxygen, and a reaction rate constant of the additional component with water and oxygen is greater than a reaction rate constant of the luminescent layer with water and oxygen; and the additional component is provided in a same layer as the luminescent layer and/or in a different layer from the luminescent layer.
    Type: Application
    Filed: December 27, 2021
    Publication date: July 4, 2024
    Applicants: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tieshi Wang, Zhuo Chen
  • Publication number: 20240224559
    Abstract: A light emitting device and a fabricating method thereof, and a light emitting apparatus. The light emitting device includes: a substrate, and an assisting layer and a quantum-dot layer that are provided in stack on one side of the substrate, and the assisting layer is close to the substrate; a material of the assisting layer includes a non-polar polymer; and the quantum-dot layer includes quantum dots and a first ligand material coordinated to the quantum dots, and a property of the first ligand material changes by an effect of illumination, so that a solubility of the quantum-dot layer in an organic solvent changes.
    Type: Application
    Filed: December 15, 2021
    Publication date: July 4, 2024
    Inventors: Tieshi WANG, Zhuo CHEN, Zhuo LI, Xu YUAN, Di ZHANG
  • Publication number: 20240209228
    Abstract: A quantum dot ink, a quantum dot film, a preparation method thereof and a display substrate are provided in the present disclosure, which relates to a technical field of displaying. The quantum dot ink includes: a first ink including at least a quantum dot body and a ligand coordinated on a surface of the quantum dot body, the ligand including an R1 group; and a second ink including at least a reactive compound, the reactive compound being configured for being capable of interacting with the R1 group and cause the quantum dot body to deposit to form a film. The quantum dot film prepared by the quantum dot ink has good film-forming uniformity, thus improving display effect of the display product prepared by the quantum dot film.
    Type: Application
    Filed: August 20, 2021
    Publication date: June 27, 2024
    Applicants: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventor: Tieshi Wang
  • Patent number: 12008960
    Abstract: A pixel driving circuit includes a data writing circuit, a light-emitting control circuit and a light-emitting diode chip. The data writing circuit is electrically connected to a first scanning signal terminal, a data signal terminal and a first node. The light-emitting control circuit is electrically connected to the first node, an enable signal terminal, a first voltage signal terminal and a second node, and is configured to transmit a first voltage signal received at the first voltage signal terminal to the second node. The light-emitting diode chip is electrically connected to the second node and a second voltage signal terminal. The light-emitting diode chip includes a plurality of light-emitting portions. The light-emitting diode chip is configured to drive the plurality of light-emitting portions to emit light in different periods of time respectively or drive at least two light-emitting portions to emit light in a same period of time.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: June 11, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weixing Liu, Kuanjun Peng, Bin Qin, Xue Dong, Fangzhen Zhang, Wanpeng Teng, Tieshi Wang, Wanzhi Chen, Kai Guo, Chunfang Zhang
  • Publication number: 20240188423
    Abstract: The present disclosure provides an organic compound and a light emitting device, and relates to the field of display technologies. A structure of the organic compound is as shown in Formula 1, Formula 2 or Formula 3. The present disclosure can improve a hole transport rate of the light emitting device.
    Type: Application
    Filed: May 25, 2021
    Publication date: June 6, 2024
    Inventor: Tieshi WANG