Patents by Inventor Liangliang KANG

Liangliang KANG 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: 20240126112
    Abstract: A display device, including a backlight module (1). The backlight module (1) includes an optical film layer (2), the optical film layer (2) includes at least two diffusers (21) stacked in sequence, and the haze of each diffuser (21) is 80%-99%. The backlight module (1) further includes an LED light source (3), and the optical band of the LED light source (3) is greater than 455 nm. The display device further includes a cover plate (5) and at least one anti-reflection layer (7), the cover plate (5) is provided with an atomization layer (51), and the anti-reflection layer (7) is located on the side of the cover plate (5) facing away from a display panel (4).
    Type: Application
    Filed: February 23, 2021
    Publication date: April 18, 2024
    Inventors: Hu LI, Tingfei WANG, Liangliang ZHENG, Hai KANG, Douqing ZHANG, Zhao DONG, Xuemei ZHAO
  • Publication number: 20240090299
    Abstract: A display panel includes: multiple light-emitting devices arranged on a substrate, each light-emitting device includes a first electrode, multiple light-emitting units and a second electrode sequentially arranged in a direction away from the substrate, a microcavity structure is formed between the first electrode and the second electrode, the light-emitting unit includes a light-emitting layer, light-emission colors of at least two light-emitting layers in the same light-emitting device are different, and at least one light-emitting device includes a cavity length adjusting layer; and a color conversion layer including multiple wavelength conversion units, each wavelength conversion unit corresponds to a light-emitting device having the cavity length adjusting layer, the wavelength conversion unit is arranged on a light outlet side of the light-emitting device, at least one light-emission peak in a light-emission band of the light-emitting device is less than or equal to an intrinsic light-emission peak of a
    Type: Application
    Filed: July 1, 2022
    Publication date: March 14, 2024
    Inventors: Qian JIN, Wei HUANG, Qian SUN, Tianhao LU, Yang LI, Liangliang KANG
  • Patent number: 11751432
    Abstract: The present disclosure relates to the technical field of display, and provided thereby are a display device, a flexible display panel and a manufacturing method therefor.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: September 5, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoyun Liu, Liangliang Kang, Xiaofen Wang, Qian Jin, Tun Liu, Yan Fan
  • Patent number: 11737332
    Abstract: A light emitting element, includes a first light emitting layer and a second light emitting layer sequentially stacked; and an intermediate layer between the first light emitting layer and the second light emitting layer, and being in direct contact with the first light emitting layer on one side and in direct contact with the second light emitting layer on another side. Each of the intermediate layer, the first light emitting layer, and the second light emitting layer includes a same host material. The intermediate layer is a non-light emitting layer, and is an undoped layer absent of a dopant for emitting light. The light emitting element is configured to emit a composite light including the first light of the first wavelength range and the second light of the second wavelength range. The first wavelength range includes wavelength longer than the second wavelength range.
    Type: Grant
    Filed: April 14, 2022
    Date of Patent: August 22, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Qingyu Huang, Huajie Yan, Liangliang Kang, Fudong Chen, Zhiqiang Jiao
  • Publication number: 20220392968
    Abstract: A display substrate and a display device. The display substrate comprises a base substrate and at least two first electrodes provided on one side of the base substrate and spaced apart; a pixel film layer is provided on the sides of the first electrodes away from the base substrate; a spacing area is formed between the adjacent first electrodes; an isolation recess is formed on the side of the spacing area away from the base substrate; the isolation recess electrically cuts off the pixel film layer on the adjacent first electrodes.
    Type: Application
    Filed: June 4, 2021
    Publication date: December 8, 2022
    Inventors: Xiaoyun LIU, Liangliang KANG, Xiaohu LI, Juan ZHANG, Qingyu HUANG, Huajie YAN, Zhiqiang JIAO, Jiaqi WEI
  • Publication number: 20220246691
    Abstract: A light emitting element, includes a first light emitting layer and a second light emitting layer sequentially stacked; and an intermediate layer between the first light emitting layer and the second light emitting layer, and being in direct contact with the first light emitting layer on one side and in direct contact with the second light emitting layer on another side. Each of the intermediate layer, the first light emitting layer, and the second light emitting layer includes a same host material. The intermediate layer is a non-light emitting layer, and is an undoped layer absent of a dopant for emitting light. The light emitting element is configured to emit a composite light including the first light of the first wavelength range and the second light of the second wavelength range. The first wavelength range includes wavelength longer than the second wavelength range.
    Type: Application
    Filed: April 14, 2022
    Publication date: August 4, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Qingyu Huang, Huajie Yan, Liangliang Kang, Fudong Chen, Zhiqiang Jiao
  • Patent number: 11348976
    Abstract: A display panel having a plurality of subpixels is provided. The display panel includes a base substrate; a plurality of light emitting elements on the base substrate; and a quantum dot layer on a side of the plurality of light emitting elements away from the base substrate. A respective one of the plurality of light emitting elements includes a first light emitting layer and a second light emitting layer sequentially stacked. The first light emitting layer is configured to emit a first light of a first wavelength range. The second light emitting layer is configured to emit a second light of a second wavelength range. The plurality of light emitting elements are configured to respectively emit a composite light. The quantum dot blocks of different colors are configured to respectively convert the composite light into light of different colors respectively in different subpixels.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: May 31, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Qingyu Huang, Huajie Yan, Liangliang Kang, Fudong Chen, Zhiqiang Jiao
  • Patent number: 11257425
    Abstract: The present disclosure provides a display panel and a method for manufacturing the same, a pixel light emitting compensation method, and a display apparatus. The display panel comprises a plurality of pixel units arranged in an array, wherein each of the pixel units comprises: an array substrate comprising a pixel driving circuit; a pixel defining layer disposed on a first surface of the array substrate and having a via hole wherein the first surface is far away from a substrate of the array substrate; a light emitting unit disposed in the via hole, wherein the light emitting unit is electrically connected to an output terminal of the pixel driving circuit, so that driving current output by the pixel driving circuit drives the light emitting unit to emit light; and a photoelectric converter configured to receive the light emitted by the light emitting unit.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: February 22, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huajie Yan, Qingyu Huang, Xiaohu Li, Tun Liu, Liangliang Kang, Juan Zhang, Zhiqiang Jiao
  • Publication number: 20220005884
    Abstract: A display panel having a plurality of subpixels is provided. The display panel includes a base substrate; a plurality of light emitting elements on the base substrate; and a quantum dot layer on a side of the plurality of light emitting elements away from the base substrate. A respective one of the plurality of light emitting elements includes a first light emitting layer and a second light emitting layer sequentially stacked. The first light emitting layer is configured to emit a first light of a first wavelength range. The second light emitting layer is configured to emit a second light of a second wavelength range. The plurality of light emitting elements are configured to respectively emit a composite light. The quantum dot blocks of different colors are configured to respectively convert the composite light into light of different colors respectively in different subpixels.
    Type: Application
    Filed: August 7, 2019
    Publication date: January 6, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Qingyu Huang, Huajie Yan, Liangliang Kang, Fudong Chen, Zhiqiang Jiao
  • Publication number: 20210257421
    Abstract: The present disclosure relates to the technical field of display, and provided thereby are a display device, a flexible display panel and a manufacturing method therefor.
    Type: Application
    Filed: May 7, 2020
    Publication date: August 19, 2021
    Inventors: Xiaoyun LIU, Liangliang KANG, Xiaofen WANG, Qian JIN, Tun LIU, Yan FAN
  • Publication number: 20210142722
    Abstract: The present disclosure provides a display panel and a method for manufacturing the same, a pixel light emitting compensation method, and a display apparatus. The display panel comprises a plurality of pixel units arranged in an array, wherein each of the pixel units comprises: an array substrate comprising a pixel driving circuit; a pixel defining layer disposed on a first surface of the array substrate and having a via hole wherein the first surface is far away from a substrate of the array substrate; a light emitting unit disposed in the via hole, wherein the light emitting unit is electrically connected to an output terminal of the pixel driving circuit, so that driving current output by the pixel driving circuit drives the light emitting unit to emit light; and a photoelectric converter configured to receive the light emitted by the light emitting unit.
    Type: Application
    Filed: August 30, 2019
    Publication date: May 13, 2021
    Inventors: Huajie Yan, Qingyu Huang, Xiaohu Li, Tun Liu, Liangliang Kang, Juan Zhang, Zhiqiang Jiao
  • Patent number: 10886492
    Abstract: An array substrate and a manufacturing method thereof, and a display panel are disclosed. The array substrate includes a base substrate, comprising a plurality of sub-pixel regions and inter-sub-pixel regions between adjacent sub-pixel regions; and a first organic functional layer on the base substrate. At least a portion of the first organic functional layer is in the plurality of sub-pixel regions; and the first organic functional layer includes at least one fracture opening, the at least one fracture opening is configured to block a transportation of the carriers between adjacent sub-pixel regions.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: January 5, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaohu Li, Zhiqiang Jiao, Tun Liu, Huajie Yan, Hongsheng Zhan, Liangliang Kang
  • Publication number: 20190363276
    Abstract: An array substrate and a manufacturing method thereof, and a display panel are disclosed. The array substrate includes a base substrate, comprising a plurality of sub-pixel regions and inter-sub-pixel regions between adjacent sub-pixel regions; and a first organic functional layer on the base substrate. At least a portion of the first organic functional layer is in the plurality of sub-pixel regions; and the first organic functional layer includes at least one fracture opening, the at least one fracture opening is configured to block a transportation of the carriers between adjacent sub-pixel regions.
    Type: Application
    Filed: May 1, 2019
    Publication date: November 28, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaohu LI, Zhiqiang JIAO, Tun LIU, Huajie YAN, Hongsheng ZHAN, Liangliang KANG