Patents by Inventor Liangjian Li

Liangjian 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).

  • 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
  • Patent number: 11855235
    Abstract: Disclosed in embodiments of the present disclosure are a display panel and a manufacturing method therefor, and a display apparatus. The display panel includes: a base substrate; an organic functional film layer provided on the base substrate; an insulating layer provided on the organic functional film layer, a plurality of dents distributed at intervals are provided on one side of the insulating layer distant from the organic functional film layer; and an amorphous silicon solar cell film layer provided at one side of the insulating layer distant from the organic functional film layer, the amorphous silicon solar cell film layer has the same morphology as the surface of the insulating layer where the dents are provided.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: December 26, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Chunyang Wang, Hejin Wang, Liangjian Li, Zheng Liu
  • 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: 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
  • Publication number: 20230014543
    Abstract: The display panel includes: a substrate; a pixel defining layer, arranged on the substrate, and comprising a plurality of opening regions arranged in an array; a light-emitting layer, configured to cover at least the plurality of opening regions; and an interval layer, arranged on the pixel defining layer and disconnected from an adjacent light-emitting layer.
    Type: Application
    Filed: September 1, 2021
    Publication date: January 19, 2023
    Inventors: Yibing FAN, Jing WANG, Meng ZHAO, Liangjian LI, Zheng LIU
  • Publication number: 20220384537
    Abstract: Provided are a display substrate and a preparation method therefor, and a display apparatus. The display substrate comprises a light emitting unit layer arranged on a base, and a mirror layer arranged on the light emitting unit layer, wherein a light modulation layer is arranged on a side of the mirror layer that is away from the base, and the light modulation layer is configured to form mirror display of a set color.
    Type: Application
    Filed: July 6, 2021
    Publication date: December 1, 2022
    Inventors: Xueyan TIAN, Shiming SHI, Chunyang WANG, Zheng LIU, Liangjian LI, Dengyun CHEN
  • Publication number: 20220336567
    Abstract: A display substrate includes a display region and a binding region located on one side of the display region, the display region includes a display structure layer, a protective layer provided on the display structure layer and a reflective layer provided on the protective layer, and the display structure layer includes a drive structure layer, a light-emitting structure layer and an encapsulating structure layer stacked on a base; the binding region includes a binding structure layer, a protective layer provided on the binding structure layer at one side of the binding region close to the display region, and a reflective layer provided on the protective layer, and the binding structure layer includes a lead wire structure layer provided on the base, a binding pad provided on the lead wire structure layer and an inorganic encapsulating layer.
    Type: Application
    Filed: May 12, 2021
    Publication date: October 20, 2022
    Inventors: Xueyan TIAN, Chengjie QIN, Jianchao ZHU, Dengyun CHEN, Liangjian LI
  • Publication number: 20220302417
    Abstract: The present disclosure provides an organic electroluminescent device and a display panel. The organic electroluminescent device provided by the present disclosure includes: a first electrode, a second electrode and a light-emitting layer located between the first electrode and the second electrode, and an optical structure located at a side of the first electrode facing away from the light-emitting layer. A reflectance of the optical structure with respect to light of a specific wavelength band is greater than a reflectance of the optical structure with respect to light of a wavelength band other than the specific wavelength band, the light of the specific wavelength band being light emitted by the organic electroluminescent device, and a material for forming the optical structure includes at least one of nitrogen, oxygen, and fluorine.
    Type: Application
    Filed: November 4, 2021
    Publication date: September 22, 2022
    Inventors: Yibing FAN, Chunyang WANG, Caiyu QU, Huijuan ZHANG, Liangjian LI, Zheng LIU
  • Publication number: 20220254865
    Abstract: The present disclosure provides a display substrate, a manufacturing method thereof and a display device, and relates to the field of display technology. The display substrate includes a base substrate, and a driving circuitry layer and a light-emitting unit arranged on the base substrate. The driving circuitry layer includes a first gate metal layer, and a pattern of the first gate metal layer includes a gate line. The first gate metal layer includes a first conductive layer with resistivity less than a first threshold and a Young's modulus less than a second threshold, and a first conductive protection layer arranged at a side of the first conductive layer away from the base substrate.
    Type: Application
    Filed: April 6, 2021
    Publication date: August 11, 2022
    Inventors: Caiyu QU, Huijuan ZHANG, Zunqing SONG, Dengyun CHEN, Yibing FAN, Liangjian LI, Zheng LIU
  • Patent number: 11387297
    Abstract: An OLED display substrate, a manufacturing method thereof and a display device are provided. The OLED display substrate includes a TFT array layer, a first electrode, a pixel definition layer, an OEL layer and a second electrode arranged on a base substrate. The pixel definition layer is configured to define a plurality of subpixel regions. A reflection structure surrounds each subpixel region and is capable of reflecting light beams from the OEL layer and beyond an escaping cone in such a manner as to enable at least parts of the light beams to enter the escaping cone.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: July 12, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lujiang Huangfu, Xing Fan, Dan Wang, Xiaowei Xu, Liangjian Li
  • Publication number: 20220209175
    Abstract: An OLED display panel, a method of forming a display panel and a display device are provided.
    Type: Application
    Filed: February 2, 2021
    Publication date: June 30, 2022
    Inventors: Xueyan TIAN, Liangjian LI
  • Publication number: 20220115417
    Abstract: A glossy display panel, a manufacturing method thereof and a display device are provided. The glossy display panel includes a display area and a non-display area; wherein the non-display area includes a binding area, and the glossy display panel includes a first conductive pattern located on a base substrate and located in the binding area; a first insulating layer covering the first conductive pattern, wherein the first insulating layer is provided with a first via hole, and an orthographic projection of the first via hole onto the base substrate is located within an orthographic projection of the first conductive pattern onto the base substrate; a glossy reflection layer, wherein an orthographic projection of the glossy reflection layer onto the base substrate does not overlap with an orthographic projection of the binding area onto the base substrate; and a chip on film.
    Type: Application
    Filed: April 30, 2020
    Publication date: April 14, 2022
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueyan TIAN, Jianchao ZHU, Libin LIU, Liangjian LI, Caiyu QU, Dengyun CHEN, Ximeng LI
  • Patent number: 11296158
    Abstract: A pixel structure. The pixel structure includes a base substrate; an insulating island on the base substrate; a light emitting element on a side of the insulating island away from the base substrate; an insulating layer on the base substrate and surrounding the insulating island, the insulating layer spaced apart from the insulating island by a groove; and a reflective layer on a lateral side of the insulating layer surrounding a periphery of the light emitting element, and configured to reflect light laterally emitted from the light emitting element to exit from a light emitting surface of the pixel structure. The insulating layer has a height relative to a main surface of the base substrate greater than a height of the insulating island relative to the main surface of the base substrate. The reflective layer is in direct contact with the base substrate in the groove.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: April 5, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Lujiang Huangfu, Xing Fan, Zheng Liu, Yan Fan, Liangjian Li
  • Publication number: 20220013673
    Abstract: Disclosed in embodiments of the present disclosure are a display panel and a manufacturing method therefor, and a display apparatus. The display panel includes: a base substrate; an organic functional film layer provided on the base substrate; an insulating layer provided on the organic functional film layer, a plurality of dents distributed at intervals are provided on one side of the insulating layer distant from the organic functional film layer; and an amorphous silicon solar cell film layer provided at one side of the insulating layer distant from the organic functional film layer, the amorphous silicon solar cell film layer has the same morphology as the surface of the insulating layer where the dents are provided.
    Type: Application
    Filed: August 18, 2020
    Publication date: January 13, 2022
    Inventors: Chunyang WANG, Hejin WANG, Liangjian LI, Zheng LIU
  • Patent number: 11201302
    Abstract: The embodiments of the disclosure provide a flexible display panel, including a flexible substrate, the flexible substrate including a plurality of cylindrical surface stretching bodies in an array, every two adjacent cylindrical surface stretching bodies being connected by their side edges, and a flexible device on the flexible substrate, the flexible device being conformal with the flexible substrate. The embodiments also provide a display device including the flexible display panel and a method for manufacturing the flexible display panel.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: December 14, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongwei Tian, Yanan Niu, Zheng Liu, Dong Li, Liangjian Li, Zunqing Song
  • Patent number: 11196016
    Abstract: A pixel structure includes a base substrate and a light emitting element on the base substrate. The light emitting element includes a reflective electrode, a light emitting layer on the reflective electrode, and a substantially transparent electrode on a side of the light emitting layer away from the reflective electrode. The reflective electrode has a reflective ridge configured to reflect light laterally transmitted through the light emitting layer to exit from a light emitting surface of the pixel structure. The reflective ridge has a first concave reflective sidewall extending from a peak of the reflective ridge to a base of the reflective ridge, and a second concave reflective sidewall extending from the peak of the reflective ridge to the base of the reflective ridge. The first concave reflective sidewall faces away from the second concave reflective sidewall.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: December 7, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Lujiang Huangfu, Xing Fan, Zheng Liu, Yan Fan, Liangjian Li, Hao Gao
  • Publication number: 20210265453
    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: Application
    Filed: April 22, 2020
    Publication date: August 26, 2021
    Inventors: Chunyang WANG, Hongwei TIAN, Dong LI, Liangjian LI
  • Publication number: 20210225968
    Abstract: A pixel structure. The pixel structure includes a base substrate; an insulating island on the base substrate; a light emitting element on a side of the insulating island away from the base substrate; an insulating layer on the base substrate and surrounding the insulating island, the insulating layer spaced apart from the insulating island by a groove; and a reflective layer on a lateral side of the insulating layer surrounding a periphery of the light emitting element, and configured to reflect light laterally emitted from the light emitting element to exit from a light emitting surface of the pixel structure. The insulating layer has a height relative to a main surface of the base substrate greater than a height of the insulating island relative to the main surface of the base substrate.
    Type: Application
    Filed: November 28, 2018
    Publication date: July 22, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Lujiang HUANGFU, Xing FAN, Zheng LIU, Yan FAN, Liangjian LI
  • Publication number: 20210226152
    Abstract: A pixel structure includes a base substrate and a light emitting element on the base substrate. The light emitting element includes a reflective electrode, a light emitting layer on the reflective electrode, and a substantially transparent electrode on a side of the light emitting layer away from the reflective electrode. The reflective electrode has a reflective ridge configured to reflect light laterally transmitted through the light emitting layer to exit from a light emitting surface of the pixel structure. The reflective ridge has a first concave reflective sidewall extending from a peak of the reflective ridge to a base of the reflective ridge, and a second concave reflective sidewall extending from the peak of the reflective ridge to the base of the reflective ridge. The first concave reflective sidewall faces away from the second concave reflective sidewall.
    Type: Application
    Filed: November 20, 2018
    Publication date: July 22, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Lujiang HUANGFU, Xing FAN, Zheng LIU, Yan FAN, Liangjian LI, Hao GAO