Patents by Inventor Hongwei TIAN

Hongwei TIAN 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: 12236880
    Abstract: A pixel driving circuit is provided. The pixel driving circuit includes a light emission control circuit and a drive circuit. The light emission control circuit controls a potential of a control terminal of the drive circuit under the control of a coupled signal terminal, and the drive circuit drives a coupled light-emitting element to emit light based on the potential of the control terminal thereof. The drive circuit includes two drive transistors connected in parallel, and subthreshold swings of the two drive transistors are different.
    Type: Grant
    Filed: May 23, 2023
    Date of Patent: February 25, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Ran Li, Xueyan Tian, Hongwei Tian, Tuo Sun, Xiyu Zhao
  • Patent number: 12217320
    Abstract: A space recommendation method based on an air conditioning system includes: obtaining a user space usage request that includes demand information of a user for a space; and determining a current energy consumption amount of each of a plurality of air conditioning units of the air conditioning system. Each of the plurality of air conditioning units includes a plurality of air conditioning terminal devices, the plurality of air conditioning terminal devices is respectively arranged in a plurality of spaces; determining a candidate space based on the current energy consumption amount; and recommending an available space based on the demand information and the candidate space.
    Type: Grant
    Filed: October 17, 2023
    Date of Patent: February 4, 2025
    Assignees: GD MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD., HEFEI MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD.
    Inventors: Kongxiang Wu, Mingren Wang, Hongwei Li, Zekun Liang, Wei Wang, Dengsong Ou, Fan Tian
  • Patent number: 12217633
    Abstract: The present disclosure provides a display panel and a manufacturing method of the display panel, and a display apparatus, and belongs to the field of display technology. The display panel of the present disclosure includes a flexible substrate and a support substrate, wherein the support substrate supports the flexible substrate; a plurality of display units are provided on the flexible substrate; the display panel further includes: a first magnetic unit; a second magnetic unit; the first magnetic unit and the second magnetic unit are used for jointing the flexible substrate to the support substrate through a magnetic field therebetween.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: February 4, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanan Niu, Hongwei Tian, Zhongyuan Sun, Jing Niu, Lei Chen, Wei Huang, Zhiqiang Jiao
  • Publication number: 20250040317
    Abstract: The present disclosure provides a display apparatus and a display panel. The display panel includes: a drive backplate, including a substrate and a drive circuit layer on the substrate, where the drive circuit layer includes drive circuit regions arranged at intervals and transparent regions around the drive circuit regions, the transparent region includes concave parts, and a number of layers in the respective concave parts of the drive circuit layer is less than a number of layers in the respective drive circuit regions; a side of the drive circuit regions of the drive circuit layer away from the substrate includes pads for connecting a light-emitting unit; a light-transmissive glue for filling the concave parts, and a surface of the light-transmissive glue away from the substrate is on a side of the pads away from the substrate. The present disclosure can improve display effect.
    Type: Application
    Filed: June 29, 2022
    Publication date: January 30, 2025
    Inventors: Yanan NIU, Yan QU, Dongni LIU, Jinqian WANG, Jing NIU, Tingting ZHOU, Shuang SUN, Bin QIN, Hongwei TIAN, Fangzhen ZHANG, Wei WANG
  • Publication number: 20250038367
    Abstract: A battery cell includes a battery cell body, at least two tabs, a first connector and at least two insulators. The first connector is configured to fasten a tail end of an electrode assembly to an outer surface of the battery cell body; the at least two tabs include a first tab and a second tab, and the at least two insulators include a first insulator and a second insulator, where first ends of the first insulator and the second insulator are all provided on the battery cell body, a second end of the first insulator covers part of the first tab, and a second end of the second insulator covers part of the second tab; and in a width direction of the battery cell body, the first insulator is provided close to the first connector, where at least part of the first insulator is located outside the first connector.
    Type: Application
    Filed: October 11, 2024
    Publication date: January 30, 2025
    Applicant: Ningde Amperex Technology Limited
    Inventors: Hongwei HU, Xiulan YUAN, Jiao TIAN
  • Patent number: 12193273
    Abstract: The present disclosure provides a displaying backplane and a displaying device, and relates to the technical field of displaying. The displaying backplane includes: a substrate base plate; a first active layer and a second active layer that are provided on the substrate base plate, wherein the material of the first active layer and the second active layer is an oxide semiconductor, the first active layer has a first channel region and first no-channel regions, and the second active layer has a second channel region and second no-channel regions; a first grid insulating layer covering the first active layer and the second active layer; and a first grid and a second grid that are provided on the first grid insulating layer; wherein the oxygen-vacancy concentration of the first channel region is greater than the oxygen-vacancy concentrations of the first no-channel regions, the second no-channel regions and the second channel region.
    Type: Grant
    Filed: November 17, 2023
    Date of Patent: January 7, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Jing Wang, Hongwei Tian, Ming Liu, Jia Zhao, Qiuhua Meng, Ziang Han
  • Publication number: 20250008757
    Abstract: The present disclosure provides a display substrate and a method for manufacturing the same, and a display apparatus, belonging to the field of displaying technologies. The display substrate includes a base substrate, and a circuit layer, and has an island area, a hole area and a bridge area. The circuit layer includes a driving circuit located in the island area, a via hole located in the hole area, and at least one photoelectric sensor that is electrically connected to the driving circuit. The photoelectric sensor includes a first electrode layer, a photoelectric structure layer and a second electrode layer which are laminated. The photoelectric sensor is located in the island area or the bridge area.
    Type: Application
    Filed: May 30, 2023
    Publication date: January 2, 2025
    Inventors: Jing WANG, Hongwei TIAN, Ran LI, Shantao CHEN
  • Patent number: 12120906
    Abstract: Provided are a display substrate, a display device, and a method for manufacturing the display substrate. The display substrate includes: a first inorganic encapsulation layer covering pixels of an island region and covering a signal line of a bridge region, a first organic encapsulation layer covering the first inorganic encapsulation layer, and multiple insulating layers located in the bridge region and between the first inorganic encapsulation layer and a substrate.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: October 15, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Hongwei Tian, Yanan Niu, Hejin Wang, Pinfan Wang, Fangxu Cao, Zheng Liu
  • Publication number: 20240339077
    Abstract: A pixel driving circuit is provided. The pixel driving circuit includes a light emission control circuit and a drive circuit. The light emission control circuit controls a potential of a control terminal of the drive circuit under the control of a coupled signal terminal, and the drive circuit drives a coupled light-emitting element to emit light based on the potential of the control terminal thereof. The drive circuit includes two drive transistors connected in parallel, and subthreshold swings of the two drive transistors are different.
    Type: Application
    Filed: May 23, 2023
    Publication date: October 10, 2024
    Inventors: Ran LI, Xueyan TIAN, Hongwei TIAN, Tuo SUN, Xiyu ZHAO
  • Publication number: 20240304631
    Abstract: Provided is a drive backplane. The drive backplane includes: a base substrate and a circuit structure. The circuit structure includes a plurality of first thin film transistors and a plurality of second thin film transistors; wherein a first active layer of the first thin film transistor includes a first oxide layer and a second oxide layer, wherein the second oxide layer is disposed on a side of the first oxide layer away from the base substrate, a mobility of the second oxide layer is lower than a mobility of the first oxide layer, and a source and a drain of the first thin film transistor are connected to the second oxide layer; and a second active layer of the second thin film transistor includes a third oxide layer, wherein a mobility of the third oxide layer is lower than the mobility of the first oxide layer.
    Type: Application
    Filed: May 31, 2022
    Publication date: September 12, 2024
    Inventors: Hongwei TIAN, Yanan NIU, Jing WANG, Ran LI, Xueyan TIAN, Zheng LIU, Libin LIU, Shiming SHI
  • Publication number: 20240251626
    Abstract: Provided are a display panel, a preparation method thereof, and a display apparatus, which includes a display region, the display region includes at least one functional unit disposed on a substrate, one of the functional units includes a pixel unit and at least one non-display unit, wherein the pixel unit includes at least one sub-pixel, and the orthographic projection of the pixel unit on the substrate does not overlap the orthographic projection of the at least one non-display unit on the substrate.
    Type: Application
    Filed: January 25, 2022
    Publication date: July 25, 2024
    Inventors: Kuo SHEN, Jing WANG, Wenxiu ZHU, Shanshan BAI, Jianing LIU, Hongwei TIAN
  • Patent number: 11974493
    Abstract: A flexible substrate has at least one bendable region. The flexible substrate includes a flexible base, a first electrode layer disposed on the base, a first insulating layer disposed on a side of the first electrode layer away from the base, and a second electrode layer disposed on a side of the first insulating layer away from the base. The first electrode layer includes at least one first detection electrode, and the second electrode layer includes at least one second detection electrode. An orthogonal projection of a first detection electrode on the base overlaps at least partially with an orthogonal projection of a second detection electrode on the base. A region where orthogonal projections of the first detection electrode and the second detection electrode on the base are located overlaps with a bendable region.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: April 30, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongwei Tian, Yanan Niu, Dong Li, Ming Liu, Zheng Liu
  • Patent number: 11960180
    Abstract: A display panel, a display apparatus, and a manufacturing method are disclosed. The display panel includes a base substrate having a first through hole; a conductive structure located on the base substrate and at least partially covering the first through hole; and a display structure including a first display structure, a control line, and a second display structure that are arranged in layers on a side of the base substrate where the conductive structure is located, wherein the first display structure has a second through hole, and the control line is electrically connected to the conductive structure by passing through the second through hole.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: April 16, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunyang Wang, Hongwei Tian, Dong Li, Liangjian Li
  • Publication number: 20240090267
    Abstract: The present disclosure provides a displaying backplane and a displaying device, and relates to the technical field of displaying. The displaying backplane includes: a substrate base plate; a first active layer and a second active layer that are provided on the substrate base plate, wherein the material of the first active layer and the second active layer is an oxide semiconductor, the first active layer has a first channel region and first no-channel regions, and the second active layer has a second channel region and second no-channel regions; a first grid insulating layer covering the first active layer and the second active layer; and a first grid and a second grid that are provided on the first grid insulating layer; wherein the oxygen-vacancy concentration of the first channel region is greater than the oxygen-vacancy concentrations of the first no-channel regions, the second no-channel regions and the second channel region.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 14, 2024
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Jing Wang, Hongwei Tian, Ming Liu, Jia Zhao, Qiuhua Meng, Ziang Han
  • Publication number: 20240021629
    Abstract: An array substrate and manufacturing method and performance improvement method therefor, a display panel, and a display device. The array substrate includes: a substrate base; a shielding layer provided on one surface of the substrate base; a thin film transistor provided on the substrate base and covering the shielding layer; and a compensation layer provided on the side of the thin film transistor away from the substrate base.
    Type: Application
    Filed: September 27, 2023
    Publication date: January 18, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zheng LIU, Meng ZHAO, Hongwei TIAN
  • Patent number: 11864422
    Abstract: The present disclosure provides a method for fabricating a displaying backplane, a displaying backplane and a displaying device, and relates to the technical field of displaying. The method includes forming a first active layer and a second active layer on a substrate base plate; forming a first grid insulating layer covering the first active layer and the second active layer; forming a first grid on the first grid insulating layer; performing ion implantation to the first no-channel regions, the second no-channel regions and the second channel region, to reduce oxygen-vacancy concentrations of the first no-channel regions, the second no-channel regions and the second channel region; and forming a second grid on the first grid insulating layer.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: January 2, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Jing Wang, Hongwei Tian, Ming Liu, Jia Zhao, Qiuhua Meng, Ziang Han
  • Publication number: 20230363220
    Abstract: A display panel and a display device are provided. The display panel has a display area. The display panel includes: a base substrate; a driving circuit and at least one signal line on the base substrate; and at least one insulating layer between the driving circuit and the at least one signal line. The driving circuit is disposed in a periphery of the display area; and an orthogonal projection of at least one of the signal lines on the base substrate has an overlapping area with an orthogonal projection of the driving circuit on the base substrate.
    Type: Application
    Filed: July 13, 2023
    Publication date: November 9, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongwei TIAN, Yanan NIU, Zheng LIU, Liangjian LI, Dong LI, Meng ZHAO, Long HAN, Can ZHENG
  • Patent number: 11805671
    Abstract: A method for manufacturing a display backplane, a display backplate, and a display device are disclosed. The method includes: forming a planarization layer on one side of a substrate inside a pixel region, a partition region, and a perforation region; forming at least one girdle of annular passivation layer disposed around the perforation region on a surface, away from the substrate, of the planarization layer inside a portion of the partition layer; removing a portion of the planarization layer, inside the partition region, uncovered by the annular passivation layer and the planarization layer, inside the partition region, partially covered by the annular passivation layer, to obtain at least one girdle of annular isolation columns disposed between the substrate and the annular passivation layer and around the perforation region; and forming organic light-emitting elements on one side of the planarization layer away from the substrate to obtain the display backplane.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: October 31, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Jing Wang, Hongwei Tian, Ming Liu, Ziang Han, Zunqing Song
  • Patent number: 11751442
    Abstract: A display panel and a display device are provided. The display panel has a display area. The display panel includes: a base substrate; a driving circuit and at least one signal line on the base substrate; and at least one insulating layer between the driving circuit and the at least one signal line. The driving circuit is disposed in a periphery of the display area; and an orthogonal projection of at least one of the signal lines on the base substrate has an overlapping area with an orthogonal projection of the driving circuit on the base substrate.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: September 5, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongwei Tian, Yanan Niu, Zheng Liu, Liangjian Li, Dong Li, Meng Zhao, Long Han, Can Zheng
  • Publication number: 20230207578
    Abstract: An array substrate and a manufacturing method thereof are provided. The array substrate includes a display pixel area for providing pixel units arranged in an array. The array substrate further includes: a base substrate, a first insulating layer, a second insulating layer, and a first conductive pattern layer. The first insulating layer is provided on the base substrate, grooves are provided in the first insulating layer, and the grooves are provided in the display pixel area. The second insulating layer is provided on the first insulating layer, and the second insulating layer is also filled into the grooves. The first conductive pattern layer is provided on the second insulating layer. By providing the grooves, the array substrate may have better impact resistance and bending resistance.
    Type: Application
    Filed: March 2, 2023
    Publication date: June 29, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dong LI, Xiaolong LI, Liangjian LI, Hongwei TIAN