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).
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Publication number: 20240244900Abstract: A display panel includes a plurality of driving base plates stacked, each of the driving base plates includes a substrate and a driving unit located on the substrate, orientations of the driving base plates are the same; a plurality of pixel units arranged in an array, each of the pixel units includes a plurality of sub-pixels, and orthographic projections on the substrate of light emitting regions of the sub-pixels in the same pixel unit do not overlap with each other; and each of the driving base plates is provided with at least one sub-pixel on one side away from the substrate, and the driving unit on each of the driving base plates is electrically connected to the at least one sub-pixel; and a quantity of the driving base plates is less than or equal to a quantity of the sub-pixels in one of the pixel units.Type: ApplicationFiled: February 25, 2022Publication date: July 18, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Xiaohu Li, Weijie Wang, Liangliang Kang, Zhiqiang Jiao, Lu Wang
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Publication number: 20240090299Abstract: 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 aType: ApplicationFiled: July 1, 2022Publication date: March 14, 2024Inventors: Qian JIN, Wei HUANG, Qian SUN, Tianhao LU, Yang LI, Liangliang KANG
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Patent number: 11751432Abstract: 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: GrantFiled: May 7, 2020Date of Patent: September 5, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaoyun Liu, Liangliang Kang, Xiaofen Wang, Qian Jin, Tun Liu, Yan Fan
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Patent number: 11737332Abstract: 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: GrantFiled: April 14, 2022Date of Patent: August 22, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Qingyu Huang, Huajie Yan, Liangliang Kang, Fudong Chen, Zhiqiang Jiao
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Publication number: 20220392968Abstract: 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: ApplicationFiled: June 4, 2021Publication date: December 8, 2022Inventors: Xiaoyun LIU, Liangliang KANG, Xiaohu LI, Juan ZHANG, Qingyu HUANG, Huajie YAN, Zhiqiang JIAO, Jiaqi WEI
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Publication number: 20220246691Abstract: 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: ApplicationFiled: April 14, 2022Publication date: August 4, 2022Applicant: BOE Technology Group Co., Ltd.Inventors: Qingyu Huang, Huajie Yan, Liangliang Kang, Fudong Chen, Zhiqiang Jiao
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Patent number: 11348976Abstract: 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: GrantFiled: August 7, 2019Date of Patent: May 31, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Qingyu Huang, Huajie Yan, Liangliang Kang, Fudong Chen, Zhiqiang Jiao
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Patent number: 11257425Abstract: 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: GrantFiled: August 30, 2019Date of Patent: February 22, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Huajie Yan, Qingyu Huang, Xiaohu Li, Tun Liu, Liangliang Kang, Juan Zhang, Zhiqiang Jiao
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Publication number: 20220005884Abstract: 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: ApplicationFiled: August 7, 2019Publication date: January 6, 2022Applicant: BOE Technology Group Co., Ltd.Inventors: Qingyu Huang, Huajie Yan, Liangliang Kang, Fudong Chen, Zhiqiang Jiao
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Publication number: 20210257421Abstract: 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: ApplicationFiled: May 7, 2020Publication date: August 19, 2021Inventors: Xiaoyun LIU, Liangliang KANG, Xiaofen WANG, Qian JIN, Tun LIU, Yan FAN
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Publication number: 20210142722Abstract: 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: ApplicationFiled: August 30, 2019Publication date: May 13, 2021Inventors: Huajie Yan, Qingyu Huang, Xiaohu Li, Tun Liu, Liangliang Kang, Juan Zhang, Zhiqiang Jiao
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Patent number: 10886492Abstract: 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: GrantFiled: May 1, 2019Date of Patent: January 5, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaohu Li, Zhiqiang Jiao, Tun Liu, Huajie Yan, Hongsheng Zhan, Liangliang Kang
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Publication number: 20190363276Abstract: 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: ApplicationFiled: May 1, 2019Publication date: November 28, 2019Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaohu LI, Zhiqiang JIAO, Tun LIU, Huajie YAN, Hongsheng ZHAN, Liangliang KANG