Patents by Inventor Xianxue Duan
Xianxue Duan 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: 20240014225Abstract: The present disclosure relates to the field of display technology, and discloses a display substrate, a preparation method thereof, and a display panel, used for improving the structure of the display substrate, improving characteristics of a thin film transistor, and increasing the yield of a display product. The display substrate includes: a base substrate; a thin film transistor on the base substrate; and a flattening layer on a side, away from the base substrate, of the thin film transistor, wherein the flattening layer is provided with a groove around a channel area of the thin film transistor, and an orthographic projection of the groove on the base substrate is not overlapped with an orthographic projection of the channel area on the base substrate.Type: ApplicationFiled: December 29, 2020Publication date: January 11, 2024Inventors: Kui GONG, Xianxue DUAN, Haifeng CUI, Tianzhen LIU, Zhihai ZHANG
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Publication number: 20230413614Abstract: A display substrate, a manufacturing method thereof, and a display device. The method includes: forming a pixel definition layer transitional pattern on a base substrate, the pixel definition layer transitional pattern being provided at a lateral surface with an undercut; forming a common layer, which is broken at the undercut, on the base substrate; removing the undercut to obtain a pattern of a pixel definition layer; and forming a cathode on the base substrate.Type: ApplicationFiled: September 1, 2023Publication date: December 21, 2023Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kui GONG, Xianxue DUAN
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Patent number: 11843021Abstract: The present invention provides an optical detection module, a method for manufacturing the same and an optical detection substrate. The optical detection module includes: a base substrate; a switch transistor on a side of the base substrate and including a gate electrode, an active layer, a first electrode and a second electrode; a photosensitive device for sensing light, on a side of the switch transistor away from the base substrate and including a power electrode, a photosensitive layer and an output electrode stacked in sequence, the output electrode being electrically connected to the first electrode of the switch transistor; a barrier on a side of the switch transistor away from the base substrate; and an insulation portion on the same layer as the output electrode and the barrier and connected between the output electrode and the barrier.Type: GrantFiled: January 6, 2021Date of Patent: December 12, 2023Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kui Gong, Xianxue Duan, Zhihai Zhang, Tianzhen Liu, Haifeng Cui, Xuecheng Hou
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Patent number: 11785810Abstract: A display substrate, a manufacturing method thereof, and a display device. The method includes: forming a pixel definition layer transitional pattern on a base substrate, the pixel definition layer transitional pattern being provided at a lateral surface with an undercut; forming a common layer, which is broken at the undercut, on the base substrate; removing the undercut to obtain a pattern of a pixel definition layer; and forming a cathode on the base substrate.Type: GrantFiled: December 13, 2021Date of Patent: October 10, 2023Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kui Gong, Xianxue Duan
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Patent number: 11774818Abstract: A display substrate including: a base substrate, wherein at least one bonding element to be electrically connected to an external component is disposed in a peripheral region of the base substrate. The bonding element includes a first conductive layer, a second conductive layer and an insulation layer. The first conductive layer includes a metal oxide conductive lead. The second conductive layer includes a metal conductive lead. One or more via holes are provided in a region of the insulation layer. The metal conductive lead is electrically connected to the metal oxide conductive lead through the one or more via holes. The bonding element further comprises a via hole protection layer. A reflective liquid crystal display panel and an electrical apparatus are provided.Type: GrantFiled: October 12, 2021Date of Patent: October 3, 2023Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhaofan Liu, Xianxue Duan, Zhihai Zhang
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Patent number: 11686986Abstract: Disclosed are a display substrate, a fabrication method for the display substrate, and a display device. By arranging a flat layer with a flat surface facing the second metal layer between a first metal layer and a second metal layer, the second metal layer deposited on the flat layer is also relatively flat, so that the second metal wirings with the same width and spacing as that of first metal wirings can be formed. The etching resolutions of the metal wirings in the fanout region corresponding to the first metal layer and the second metal layer in the solutions of the present disclosure can be the same.Type: GrantFiled: September 10, 2021Date of Patent: June 27, 2023Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Na Zhao, Xianxue Duan, Miao Yuan
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Publication number: 20230079331Abstract: A display substrate including: a base substrate, wherein at least one bonding element to be electrically connected to an external component is disposed in a peripheral region of the base substrate. The bonding element includes a first conductive layer, a second conductive layer and an insulation layer. The first conductive layer includes a metal oxide conductive lead. The second conductive layer includes a metal conductive lead. One or more via holes are provided in a region of the insulation layer. The metal conductive lead is electrically connected to the metal oxide conductive lead through the one or more via holes. The bonding element further comprises a via hole protection layer. A reflective liquid crystal display panel and an electrical apparatus are provided.Type: ApplicationFiled: October 12, 2021Publication date: March 16, 2023Inventors: Zhaofan Liu, Xianxue Duan, Zhihai Zhang
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Publication number: 20220236616Abstract: Disclosed are a display substrate, a fabrication method for the display substrate, and a display device. By arranging a flat layer with a flat surface facing the second metal layer between a first metal layer and a second metal layer, the second metal layer deposited on the flat layer is also relatively flat, so that the second metal wirings with the same width and spacing as that of first metal wirings can be formed. The etching resolutions of the metal wirings in the fanout region corresponding to the first metal layer and the second metal layer in the solutions of the present disclosure can be the same.Type: ApplicationFiled: September 10, 2021Publication date: July 28, 2022Inventors: Na ZHAO, Xianxue DUAN, Miao YUAN
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Patent number: 11398536Abstract: The present disclosure discloses a display substrate, a production method thereof and a display device. The display substrate includes: a base substrate, a pixel defining layer located on the base substrate, and an organic functional layer located on the pixel defining layer, where the pixel defining layer has opening areas for defining light emitting areas of respective sub-pixels, and contains photo-induced deforming particles; and the organic functional layer covers the opening areas and includes a plurality of parts corresponding to the respective sub-pixels one by one, and the plurality of parts are spaced from each other.Type: GrantFiled: May 22, 2020Date of Patent: July 26, 2022Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Kui Gong, Xianxue Duan, Tianzhen Liu, Dongsheng Jiao
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Patent number: 11393853Abstract: An array substrate and a manufacturing method thereof are disclosed. The method includes: forming a first thin film transistor which includes a first semiconductor layer, a first gate electrode, a first drain electrode and a first source electrode; forming a second thin film transistor which includes a second semiconductor layer, a second gate electrode, a second drain electrode and a second source electrode; and forming a dielectric layer which spaces the first semiconductor layer apart from the second semiconductor layer; the method further includes: processing the same layer to form at least one selected from the group consisting of the first gate electrode, the first drain electrode and the first source electrode, at least one selected from the group consisting of the second gate electrode, the second drain electrode and the second source electrode, and the dielectric layer by the same layer.Type: GrantFiled: December 18, 2019Date of Patent: July 19, 2022Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Kui Gong, Biliang Dong, Xianxue Duan, Zhihai Zhang
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Patent number: 11387428Abstract: An organic electroluminescent display panel includes: a first electrode, a pixel defining layer, an organic light emitting functional layer and a second electrode provided on a substrate; a conductive layer and a protection layer provided at a side of the second electrode away from the substrate, the conductive layer and the protection layer being provided in a single layer, a surface of the protection layer away from the substrate being parallel to that of the second electrode away from the substrate, the conductive layer being provided between the protection layer and the second electrode and in contact with the second electrode, the protection layer including a first portion provided in the pixel regions and a second portion provided on the conductive layer, and a sum of a thickness of the second portion and a thickness of the conductive layer being approximately equal to a thickness of the first portion.Type: GrantFiled: February 13, 2018Date of Patent: July 12, 2022Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Kui Gong, Xianxue Duan
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Patent number: 11329258Abstract: A display panel, a display device and a manufacture method of a display panel are provided. The display panel includes a base substrate, a plurality of pixel units disposed in an array and a total reflection structure. Each of the plurality of pixel units includes a light emitting region and a light emitting device in the light emitting region; and the total reflection structure is disposed on a light exiting side of the light emitting device and surrounds at least a portion of the light emitting region; the total reflection structure includes a main structure and a second structure covering a side, which faces the light emitting device, of the main structure, and a refractive index of the second structure is greater than a refractive index of the main structure.Type: GrantFiled: May 23, 2018Date of Patent: May 10, 2022Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kui Gong, Xianxue Duan, Cheng Chen, Dezhi Xu, Chengcheng Wang
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Patent number: 11327354Abstract: An array substrate, a method of driving an array substrate, a method of fabricating and array substrate, and a display panel including an array substrate are provided. The array substrate includes a base substrate, a first electrode and a second electrode on the base substrate, a polymer-dispersed liquid crystal layer between the first electrode and the second electrode, and a reflective layer on a side of the polymer-dispersed liquid crystal layer opposite from the base substrate. The polymer-dispersed liquid crystal layer is configured to switch between a transparent state and an opaque state in accordance with a voltage applied between the first electrode and the second electrode.Type: GrantFiled: June 27, 2018Date of Patent: May 10, 2022Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kui Gong, Xianxue Duan, Tianzhen Liu, Cheng Chen
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Patent number: 11316136Abstract: A manufacturing method of a flexible display device and a flexible display device are provided. The manufacturing method of the flexible display device includes: forming a conductive heating layer with a first microstructure pattern on a hard substrate; forming a flexible substrate layer on the conductive heating layer, and forming a display device on the flexible substrate layer; performing a heating treatment on the conductive heating layer to separate the flexible substrate layer from the conductive heating layer, and a side of the flexible substrate layer away from the display device having a second microstructure pattern after being separated.Type: GrantFiled: January 10, 2019Date of Patent: April 26, 2022Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kui Gong, Xianxi Cui, Xianxue Duan, Zhihai Zhang
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Publication number: 20220102450Abstract: A display substrate, a manufacturing method thereof, and a display device. The method includes: forming a pixel definition layer transitional pattern on a base substrate, the pixel definition layer transitional pattern being provided at a lateral surface with an undercut; forming a common layer, which is broken at the undercut, on the base substrate; removing the undercut to obtain a pattern of a pixel definition layer; and forming a cathode on the base substrate.Type: ApplicationFiled: December 13, 2021Publication date: March 31, 2022Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kui GONG, Xianxue DUAN
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Publication number: 20220093675Abstract: The present invention provides an optical detection module, a method for manufacturing the same and an optical detection substrate. The optical detection module includes: a base substrate; a switch transistor on a side of the base substrate and including a gate electrode, an active layer, a first electrode and a second electrode; a photosensitive device for sensing light, on a side of the switch transistor away from the base substrate and including a power electrode, a photosensitive layer and an output electrode stacked in sequence, the output electrode being electrically connected to the first electrode of the switch transistor; a barrier on a side of the switch transistor away from the base substrate; and an insulation portion on the same layer as the output electrode and the barrier and connected between the output electrode and the barrier.Type: ApplicationFiled: January 6, 2021Publication date: March 24, 2022Inventors: Kui GONG, Xianxue DUAN, Zhihai ZHANG, Tianzhen LIU, Haifeng CUI, Xuecheng HOU
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Patent number: 11211435Abstract: The present disclosure provides a display substrate, a manufacturing method thereof, and a display device. The method includes: forming a pixel definition layer transitional pattern on a base substrate, the pixel definition layer transitional pattern being provided at a lateral surface with an undercut; forming a common layer, which is broken at the undercut, on the base substrate; removing the undercut to obtain a pattern of a pixel definition layer; and forming a cathode on the base substrate.Type: GrantFiled: January 29, 2018Date of Patent: December 28, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Kui Gong, Xianxue Duan
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Publication number: 20210364834Abstract: An array substrate, a method of driving an array substrate, a method of fabricating and array substrate, and a display panel including an array substrate are provided. The array substrate includes a base substrate (5), a first electrode (1) and a second electrode (2) on the base substrate (5), a polymer-dispersed liquid crystal layer (3) between the first electrode (1) and the second electrode (2), and a reflective layer (4) on a side of the polymer-dispersed liquid crystal layer (3) opposite from the base substrate (5). The polymer-dispersed liquid crystal layer (3) is configured to switch between a transparent state and an opaque state in accordance with a voltage applied between the first electrode (1) and the second electrode (2).Type: ApplicationFiled: June 27, 2018Publication date: November 25, 2021Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventors: Kui Gong, Xianxue Duan, Tianzhen Liu, Cheng Chen
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Publication number: 20210343992Abstract: A manufacturing method of a flexible display device and a flexible display device are provided. The manufacturing method of the flexible display device includes: forming a conductive heating layer with a first microstructure pattern on a hard substrate; forming a flexible substrate layer on the conductive heating layer, and forming a display device on the flexible substrate layer; performing a heating treatment on the conductive heating layer to separate the flexible substrate layer from the conductive heating layer, and a side of the flexible substrate layer away from the display device having a second microstructure pattern after being separated.Type: ApplicationFiled: January 10, 2019Publication date: November 4, 2021Inventors: Kui GONG, Xianxi CUI, Xianxue DUAN, Zhihai ZHANG
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Publication number: 20210328193Abstract: A display panel, a display device and a manufacture method of a display panel are provided. The display panel includes a base substrate, a plurality of pixel units disposed in an array and a total reflection structure. Each of the plurality of pixel units includes a light emitting region and a light emitting device in the light emitting region; and the total reflection structure is disposed on a light exiting side of the light emitting device and surrounds at least a portion of the light emitting region; the total reflection structure includes a main structure and a second structure covering a side, which faces the light emitting device, of the main structure, and a refractive index of the second structure is greater than a refractive index of the main structure.Type: ApplicationFiled: May 23, 2018Publication date: October 21, 2021Inventors: Kui GONG, Xianxue DUAN, Cheng CHEN, Dezhi XU, Chengcheng WANG