Patents by Inventor Yansong Li

Yansong 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: 12364094
    Abstract: An organic light emitting diode, a manufacturing method thereof, a display substrate and a display apparatus are disclosed. The organic light emitting diode includes: a first electrode and a second electrode opposite to each other; and a first hole transport layer, a first electron blocking layer, a blue emission layer, at least one first hole blocking layer, and a first electron transport layer, which are between the first electrode and the second electrode and sequentially arranged in a direction approaching the second electrode, wherein a total thickness of all the at least one first hole blocking layer is greater than a thickness of the first electron blocking layer.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: July 15, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanjun Hao, Caiyu Qu, Guanyin Wen, Songquan Wu, Pengfei Zuo, Xiaobo Du, Yansong Li
  • Patent number: 12364132
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a first insulation layer. The first insulation layer includes a plurality of first openings, the first opening is configured to expose a first electrode to form an effective light emitting region, at least one effective light emitting region at least partially surrounds at least one island region; a second insulation pattern, the first electrode, a first insulation pattern of the first insulation layer, a light emitting layer and a second electrode are sequentially provided in the island region along a direction facing away from the base substrate, a distance between a portion of the first electrode in the island region and a main surface of the base substrate is greater than a distance between a portion of the first electrode in the effective light emitting region and the main surface of the base substrate.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: July 15, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xing Fan, Lujiang Huangfu, Hao Gao, Qiuhua Meng, Hao Zhang, Na Li, Yansong Li
  • Publication number: 20250168421
    Abstract: The present disclosure provides a method, apparatus, device for and storage medium for video generation, and the method comprises: obtaining a plurality of media materials with a sequential relationship, the plurality of media materials comprising a first media material and a second media material with an adjacent sequential relationship, generating a first video clip based on the first media material, and generating a second video clip based on the second media material, generating a merged video clip based on the first and the second video clips, and finally generating a target video based on the merged video clip.
    Type: Application
    Filed: October 24, 2024
    Publication date: May 22, 2025
    Inventor: Yansong LI
  • Publication number: 20250133920
    Abstract: A display substrate includes a first electrode layer, a pixel define layer, an organic light-emitting layer, a second electrode layer and a first encapsulation layer which are sequentially disposed away from a base substrate. The pixel define layer has a plurality of openings, at least one of which exposes the first electrode layer. The pixel define layer has a first climbing part and a second climbing part close to the edge of at least one opening, the distance from a surface of the second climbing part away from the base substrate to the base substrate is greater than the distance from a surface of the first climbing part away from the base substrate to the base substrate, and the slope angle of the first climbing part is different from that of the second climbing part.
    Type: Application
    Filed: January 2, 2025
    Publication date: April 24, 2025
    Inventors: Xing FAN, Shantao CHEN, Xin LI, Hao GAO, Cheng HAN, Yansong LI
  • Publication number: 20250133931
    Abstract: The present disclosure provides a display substrate, a method for manufacturing the display substrate and a display apparatus, wherein the display substrate includes: a base substrate; an anode layer arranged on the base substrate and comprising a plurality of anodes arranged at intervals; a pixel defining layer disposed on the base substrate, the pixel defining layer defining a plurality of pixel areas and covering an edge area of each of the anodes; a light-emitting functional layer arranged on a side of the anode layer away from the base substrate, the light-emitting functional layer at least covering the pixel areas; and a cathode layer and a metal patterning layer arranged on a side of the light-emitting functional layer away from the base substrate.
    Type: Application
    Filed: January 3, 2023
    Publication date: April 24, 2025
    Inventors: Yansong LI, Haidong WU, Jingbo XU, Xiaobo DU, Pengfei ZUO, Na BI, Xiangmin WEN
  • Publication number: 20250126970
    Abstract: A light-emitting device includes a first electrode; a second electrode; N light-emitting units stacked between the first electrode and the second electrode; and a connection layer disposed between any two adjacent light-emitting units. A peak of an intrinsic spectrum of at least part of light-emitting units is in a range from 400 nm to 480 nm. A sum of peaks of intrinsic spectra of the N light-emitting units is in a range from N×400 nm to N×480 nm; N?2, and N is a positive integer. A difference between a color coordinate y value of the light-emitting device under a blue image at a preset viewing angle that is in a range from 60° to 75° and a color coordinate y value of the light-emitting device under the blue image at a viewing angle of 0° is in a range from 0 to 0.07.
    Type: Application
    Filed: March 16, 2023
    Publication date: April 17, 2025
    Inventors: Shun Wang, Hao Gao, Yansong Li, Cheng Han, Yan Fan, Xiangmin Wen, Bingwei Yang
  • Publication number: 20250113704
    Abstract: A light-emitting device includes a first electrode and a second electrode opposite to each other, and at least two light-emitting units in a stack between the first electrode and the second electrode. The light-emitting device further includes a charge generation unit between adjacent light-emitting units. The charge generation unit includes a first charge generation unit and a second charge generation unit sequentially arranged in a direction from the second electrode to the first electrode. The first charge generation unit is made of a material including a first host material, and a first guest material doped in the first host material, the first charge generation unit is configured to generate a first charge, and the first guest material is configured to absorb light emitted from the light-emitting units to cause the first charge generation unit to generate the first charge.
    Type: Application
    Filed: September 26, 2023
    Publication date: April 3, 2025
    Inventors: Hui ZHOU, Yansong LI, Xiaobo DU, Guanyin WEN, Lihui MA
  • Publication number: 20250089518
    Abstract: A display panel, including: a substrate; a pixel defining layer; a plurality of light-emitting devices each including a light-emitting functional layer and first and second electrodes; a supplementary electrode on a side of the second electrode away from the substrate, where an orthographic projection of the supplementary electrode on the substrate covers orthographic projections of light-emitting functional layers and/or second electrodes and/or first electrodes of the light-emitting devices of certain colors on the substrate; a supplementary electrode mutual repulsion layer on a side of the second electrode away from the substrate, where an orthographic projection of the supplementary electrode mutual repulsion layer on the substrate is complementary in pattern with the orthographic projection of the supplementary electrode on the substrate; and an encapsulation layer on a side of the supplementary electrode and the supplementary electrode mutual repulsion layer away from the substrate, and configured to en
    Type: Application
    Filed: February 9, 2023
    Publication date: March 13, 2025
    Inventors: Haidong WU, Yansong LI, Mingli LIU, Xiaobo DU, Hongli WANG
  • Publication number: 20250081785
    Abstract: A display substrate and a display apparatus. The display substrate includes a plurality of sub-pixels located on a base substrate: a shape of an orthographic projection of at least one sub-pixel on the base substrate includes a first shape, which includes a first bending edge and a second bending edge; two ends of the first bending edge are respectively connected to two ends of the second bending edge, so as to form a first connection point and a second connection point; length of a first connection line between the first connection point and the second connection point is the maximum length of the first shape, and the first shape is divided by the first connection line into a first sub-part and a second sub-part; and the area of the first sub-part is greater than the area of the second sub-part.
    Type: Application
    Filed: May 15, 2023
    Publication date: March 6, 2025
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinxing GUAN, Youchun CHEN, Shanshan BAI, Yansong LI
  • Publication number: 20250081835
    Abstract: The present disclosure relates to the field of display technology, in particular to a phosphorescent material, an electroluminescent device and a display device. The phosphorescent material includes a heterocyclic ligand phosphorescent iridium complex with a structural formula indicated by general formula I.
    Type: Application
    Filed: May 9, 2023
    Publication date: March 6, 2025
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Yansong Li, Shuyun Xu
  • Publication number: 20250081718
    Abstract: The present disclosure provides a light emitting device and a display panel, which belong to the field of display technology. The light emitting device includes a first electrode, a second electrode, and at least one light emitting unit between the first electrode and the second electrode; the at least one light emitting unit each at least includes a light emitting layer; the light emitting layer includes a host material, a phosphorescent guest material and a fluorescent guest material which are doped together; a lowest triplet energy level of at least one material in the host material is greater than a lowest triplet energy level of the phosphorescent guest material.
    Type: Application
    Filed: January 16, 2023
    Publication date: March 6, 2025
    Inventors: Xiaobo DU, Yansong LI, Erli LI, Shu JING, Yonghong CHEN, Mingli LIU
  • Patent number: 12219849
    Abstract: An array substrate and a display apparatus are provided The array substrate includes: at least one adjusting portion on the base substrate and having a first cross section in a plane perpendicular to the base substrate; first cross section includes top and bottom sides, first and second lateral sides; the bottom side is closer to the base substrate than the top side, an orthographic projection of the top side on the base substrate is within an orthographic projection of the bottom side on the base substrate; the first and/or second lateral sides is/are stepped; a buffer layer on a side of the adjusting portion away from the base substrate; light-emitting devices on a side of the buffer layer away from the base substrate and each including a first electrode, a light-emitting layer and a second electrode sequentially arranged along a direction away from the base substrate.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: February 4, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xing Fan, Xin Li, Cheng Han, Yansong Li
  • Patent number: 12219819
    Abstract: A display substrate includes a first electrode layer, a pixel define layer, an organic light-emitting layer, a second electrode layer and a first encapsulation layer which are sequentially disposed away from an base substrate. The pixel define layer has a plurality of openings, at least one of which exposes the first electrode layer. The pixel define layer has a first climbing part and a second climbing part close to the edge of at least one opening, the distance from a surface of the second climbing part away from the base substrate to the base substrate is greater than the distance from a surface of the first climbing part away from the base substrate to the base substrate, and the slope angle of the first climbing part is different from that of the second climbing part.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: February 4, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xing Fan, Shantao Chen, Xin Li, Hao Gao, Cheng Han, Yansong Li
  • Publication number: 20250040342
    Abstract: The present disclosure provides a display panel, and belongs to the technical field of display. The display panel in the present application includes a base substrate and a plurality of pixel units on the base substrate. Each of the pixel units includes a plurality of light-emitting units emitting light in different colors. Each of the the plurality of light-emitting unit includes a first electrode, an organic functional layer and a second electrode stacked sequentially along a direction away from the base substrate. Among the plurality of light-emitting units emitting light in different colors in each pixel unit, the second electrode of the light-emitting unit emitting light with a shortest wavelength has a smallest thickness along a direction perpendicular to the base substrate.
    Type: Application
    Filed: November 29, 2022
    Publication date: January 30, 2025
    Inventors: Xiangmin WEN, Na BI, Yansong LI, Haidong WU, Yan FAN, Hao GAO, Cheng HAN
  • Publication number: 20250008805
    Abstract: A display substrate includes a light emitting element on a base substrate; and a light modulating structure on a side of the light emitting element away from the base substrate. The light modulating structure includes a color filter layer and a substantially transparent layer on a side of the color filter layer away from the base substrate. The color filter layer includes a plurality of color filter units, a respective color filter unit of the plurality of color filter units being in an individual subpixel. Adjacent color filter units are spaced apart by a portion of the substantially transparent layer that extends into a region between the adjacent color filter units. An orthographic projection of the respective color filter unit on the base substrate at least partially overlaps with an orthographic projection of a light emitting layer of the light emitting element on the base substrate.
    Type: Application
    Filed: November 24, 2022
    Publication date: January 2, 2025
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Cheng Han, Qixiao Wu, Zhihui Zhang, Yanqiang Wang, Songquan Wu, Yanming Wang, Xu Li, Le Wang, Lihui Luo, Yansong Li
  • Patent number: 12178060
    Abstract: An electroluminescent device, a method for manufacturing the electroluminescent device, a display panel and a display device are provided in the embodiments of the present application. The electroluminescent device includes an anode layer, a first hole injection layer and a hole transport layer. The first hole injection layer is located between the anode layer and the hole transport layer; the first hole injection layer includes at least two secondary hole injection layers, and an equivalent resistance value of the at least two secondary hole injection layers is greater than a first threshold value.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: December 24, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xiaobo Du, Haidong Wu, Yansong Li, Bei Wang
  • Publication number: 20240397799
    Abstract: A light-emitting panel and a manufacturing method thereof, and a light-emitting apparatus are provided, which relate to the technical field of photoelectric technology. The light-emitting panel includes: a light-emitting substrate including a light-emitting area and a non-light-emitting area surrounding the light-emitting area; a first packaging layer disposed at a light emitting side of the light-emitting substrate; a low refractive index layer disposed at a side of a first packaging layer away from the light-emitting substrate, the low refractive index layer being arranged around the light-emitting area; a high refractive index layer disposed at sides of the low refractive index layer and the first packaging layer away from the light-emitting substrate, an orthographic projection of the high refractive index layer on the light-emitting substrate covering the light-emitting area, and the high refractive index layer covering a side surface of the low refractive index layer facing the light-emitting area.
    Type: Application
    Filed: September 28, 2022
    Publication date: November 28, 2024
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Cheng Han, Qixiao Wu, Songquan Wu, Xu Li, Yanming Wang, Xiangmin Wen, Yansong Li
  • Publication number: 20240389379
    Abstract: Disclosed is a light-emitting device including a first electrode; a second electrode; a plurality of light-emitting units; and a charge separation/generation unit disposed between adjacent light-emitting units. Each charge separation/generation unit includes a first charge transmission sub-unit, a first charge generation sub-unit, a second charge generation sub-unit, and a second charge transmission sub-unit, sequentially arranged in a direction from the first electrode to the second electrode, the charge separation/generation unit satisfies that a transmittance is greater than 50% for visible light having a wavelength ranging from 380 nm to 480 nm, satisfies that a transmittance is greater than 70% for visible light having a wavelength ranging from 480 nm to 580 nm, and satisfies that a transmittance is greater than 75% for visible light having a wavelength ranging from 580 nm to 680 nm.
    Type: Application
    Filed: July 31, 2023
    Publication date: November 21, 2024
    Inventors: Hui ZHOU, Yansong LI, Xiaobo DU, Guanyin WEN, Shuyun XU
  • Patent number: 12150348
    Abstract: Provided are a display substrate, a preparation method thereof and a display apparatus. The display substrate includes a substrate and a plurality of pixel units disposed in matrix on the substrate, wherein each pixel unit includes a plurality of sub-pixels, and each sub-pixel includes a driving structure layer, a first electrode and a first pixel define layer on the driving structure layer, and a light absorption layer disposed on the first pixel define layer. The first pixel define layer includes a plurality of first barriers and first pixel openings disposed between the first barriers, the first pixel opening exposes at least part of the first electrode, and the first pixel opening includes a first surface close to the first electrode, a second surface opposite to the first surface and a first sidewall between the first and second surfaces.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: November 19, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xin Li, Xing Fan, Jing Yang, Jiangnan Lu, Yansong Li
  • Publication number: 20240381728
    Abstract: A display substrate, a display panel, an electronic device and a display method. The display substrate includes first electrodes in a first display region and second electrodes in a second display region, a first light-emitting portion in the first display region and a second light-emitting portion in the second display region, and the first electrodes being of strip shapes extending along a first direction and being spaced apart from each other along a second direction; third electrodes in the first display region and a fourth electrode in the second display region, the third electrode being of strip shapes extending along the second direction and being spaced apart from each other along the first direction.
    Type: Application
    Filed: July 23, 2024
    Publication date: November 14, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yan FAN, Yipeng CHEN, Yang WANG, Yansong LI, Xing FAN