Patents by Inventor Yunping Di
Yunping Di 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: 20240103328Abstract: A displaying base plate and a manufacturing method thereof, and a displaying device. The displaying base plate includes a substrate, and a first electrode layer disposed on one side of the substrate, wherein the first electrode layer includes a first electrode pattern; a first planarization layer disposed on one side of the first electrode layer that is away from the substrate, wherein the first planarization layer is provided with a through hole, and the through hole penetrates the first planarization layer, to expose the first electrode pattern; and a second electrode layer, a second planarization layer and a third electrode layer that are disposed in stack on one side of the first planarization layer that is away from the substrate, wherein the second electrode layer is disposed closer to the substrate, the second electrode layer is connected to the first electrode pattern and the third electrode layer.Type: ApplicationFiled: June 29, 2021Publication date: March 28, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Zhen Zhang, Fuqiang Li, Zhenyu Zhang, Yunping Di, Lizhong Wang, Zheng Fang, Jiahui Han, Yawei Wang, Chenyang Zhang, Chengfu Xu, Ce Ning, Pengxia Liang, Feihu Zhou, Xianqin Meng, Weiting Peng, Qiuli Wang, Binbin Tong, Rui Huang, Tianmin Zhou, Wei Yang
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Publication number: 20230317740Abstract: The present application provides an array substrate, a manufacturing method for the same, and a display panel. The array substrate includes a display area and a non-display area connected to the display area, and the display area includes a plurality of sub-pixels arranged in an array. The non-display area includes at least one polysilicon transistor, each of the sub-pixels includes an oxide transistor and a pixel electrode. A gate of the oxide transistor as well as a first electrode and a second electrode of the polysilicon transistor are arranged in a same layer; an active layer of the oxide transistor and the pixel electrode are arranged in a same layer, and are in contact with each other. The active layer of the oxide transistor includes an oxide semiconductor material, and the pixel electrode includes an oxide conductor material.Type: ApplicationFiled: March 4, 2022Publication date: October 5, 2023Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lizhong Wang, Ce Ning, Yunping Di, Binbin Tong, Rui Huang, Tianmin Zhou, Wei Yang, Liping Lei
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Publication number: 20230215211Abstract: A display panel and a display device are provided. The display panel has a touch side and includes an array substrate and an opposite substrate arranged opposite to each other. The array substrate includes an image sensor array including a plurality of image sensors each including a photosensitive element configured to receive light reflected by a texture touched on the touch side for texture acquisition; the opposite substrate includes a light shielding layer including a plurality of first openings arranged in an array, and the plurality of first openings are in one-to-one correspondence with and partially overlap with the photosensitive elements of the plurality of image sensors in a direction perpendicular to a panel surface of the display panel.Type: ApplicationFiled: May 25, 2021Publication date: July 6, 2023Applicant: BOE Technology Group Co., Ltd.Inventors: Changfeng Li, Xiaochuan Chen, Fuqiang Li, Liwei Liu, Hongrun Wang, Hui Zhang, Shunhang Zhang, Kai Hou, Yunsik Im, Yunping Di
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Patent number: 11662635Abstract: Provided is a display panel. The display panel includes an array substrate, a color filter substrate, and a backlight module, wherein the array substrate includes a substrate and a photoelectric sensing device, the substrate is provided with a fingerprint recognition region, and an orthographic projection of the photoelectric sensing device on the substrate is within the fingerprint recognition region. The color filter substrate is disposed opposite to the array substrate, the backlight module is disposed on a side, distal from the array substrate, of the film substrate, and light emitted from the backlight module is capable of passing through the fingerprint recognition region.Type: GrantFiled: October 29, 2021Date of Patent: May 30, 2023Assignee: BOE Technology Group Co., Ltd.Inventor: Yunping Di
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Publication number: 20220197094Abstract: Provided is a display panel. The display panel includes an array substrate, a color filter substrate, and a backlight module, wherein the array substrate includes a substrate and a photoelectric sensing device, the substrate is provided with a fingerprint recognition region, and an orthographic projection of the photoelectric sensing device on the substrate is within the fingerprint recognition region. The color filter substrate is disposed opposite to the array substrate, the backlight module is disposed on a side, distal from the array substrate, of the film substrate, and light emitted from the backlight module is capable of passing through the fingerprint recognition region.Type: ApplicationFiled: October 29, 2021Publication date: June 23, 2022Inventor: Yunping DI
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Patent number: 10644042Abstract: A method for manufacturing an array substrate, an array substrate, and a fingerprint recognition device. The method includes: forming a plurality of polysilicon patterns on a substrate, the plurality of polysilicon patterns including a first polysilicon pattern for forming the PIN-type diode and a second polysilicon pattern for forming the transistor, each polysilicon pattern including a first sub-region, a second sub-region, and a third sub-region between the first sub-region and the second sub-region; using a first doping process to dope the first sub-region of the first polysilicon pattern and the first sub-region and the second sub-region of the second polysilicon pattern with one of P-type ions and N-type ions respectively; and using a second doping process to dope the second sub-region of the first polysilicon pattern with the other of P-type ions and N-type ions.Type: GrantFiled: May 21, 2018Date of Patent: May 5, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Yunping Di
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Publication number: 20190123073Abstract: A method for manufacturing an array substrate, an array substrate, and a fingerprint recognition device. The method includes: forming a plurality of polysilicon patterns on a substrate, the plurality of polysilicon patterns including a first polysilicon pattern for forming the PIN-type diode and a second polysilicon pattern for forming the transistor, each polysilicon pattern including a first sub-region, a second sub-region, and a third sub-region between the first sub-region and the second sub-region; using a first doping process to dope the first sub-region of the first polysilicon pattern and the first sub-region and the second sub-region of the second polysilicon pattern with one of P-type ions and N-type ions respectively; and using a second doping process to dope the second sub-region of the first polysilicon pattern with the other of P-type ions and N-type ions.Type: ApplicationFiled: May 21, 2018Publication date: April 25, 2019Inventor: Yunping Di
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Patent number: 10124565Abstract: The present disclosure provides a graphene conductive film, a method for forming the same and a flexible touch device. The method for forming a graphene conductive film includes: growing a graphene layer on a metal catalytic substrate; coating a PAA solution onto the graphene layer, and curing the PAA solution so as to form a PI film; and removing the metal catalytic substrate so as to form the graphene conductive film with the PI film.Type: GrantFiled: July 31, 2015Date of Patent: November 13, 2018Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Yunping Di
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Publication number: 20170219754Abstract: A wire-grid polarizing element comprising a base substrate, and a carbon nanotube wire-grid and a metal wire-grid which are disposed on the base substrate, wherein the metal wire-grid and the carbon nanotube wire-grid are laminated in a direction perpendicular to the base substrate, and the carbon nanotube wire-grid comprises a plurality of carbon nanotubes having the same axial direction.Type: ApplicationFiled: September 9, 2016Publication date: August 3, 2017Inventors: YUNPING DI, Wei Wang, Jikai Yao, Ming Zhu, Xin Gu, Zhen Liu
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Patent number: 9711664Abstract: The invention provides a flexible transparent solar cell and a production process of the same, and belongs to the technical field of solar cell. The flexible transparent solar cell comprises: a flexible transparent substrate, a transparent front-electrode, a cell unit, a transparent back-electrode and a transparent encapsulating layer, which are disposed in this order; the transparent front-electrode comprising a metallic grid thin film layer and a graphene layer; and the transparent back-electrode comprising a nano metal layer and a graphene layer. The invention can be used in production of flexible transparent solar cell, in order to improve conductivity and transparency of solar cells.Type: GrantFiled: June 26, 2014Date of Patent: July 18, 2017Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Yunping Di
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Patent number: 9551937Abstract: The present disclosure provides a method of fabricating a graphene touch sensor, a graphene sensor and a touch-sensitive display device. The method comprises: forming a graphene layer on a substrate; forming a metal layer on the graphene layer; coating a photoresist layer on the metal layer; exposing the photoresist layer by using a gray-scale reticle and developing the exposed photoresist layer to obtain a photoresist completely removed region, a photoresist partially remained region, and a photoresist completely remained region; removing the metal layer located in the photoresist completely removed region; removing the graphene layer located in the photoresist completely removed region; removing the metal layer located in the photoresist partially remained region; coating a protective film on the graphene layer located in the photoresist partially remained region; striping off the remainder photoresist.Type: GrantFiled: July 17, 2015Date of Patent: January 24, 2017Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yunping Di, Zhen Liu
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Publication number: 20160368250Abstract: The present disclosure provides a graphene conductive film, a method for forming the same and a flexible touch device. The method for forming a graphene conductive film includes: growing a graphene layer on a metal catalytic substrate; coating a PAA solution onto the graphene layer, and curing the PAA solution so as to form a PI film; and removing the metal catalytic substrate so as to form the graphene conductive film with the PI film.Type: ApplicationFiled: July 31, 2015Publication date: December 22, 2016Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Yunping DI
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Patent number: 9472780Abstract: The present invention discloses an organic electroluminescent display device and a display apparatus comprising a substrate, an organic electroluminescent pixel array disposed on the substrate, and a package film coated on an outside of the organic electroluminescent pixel array. The organic electroluminescent display device further comprises an optical film laminate body at a light output side thereof; and the optical film laminate body is a preformed integral component including a plurality of functional film layers. Since the optical film laminate body including the plurality of functional film layers can be bonded on organic electroluminescent display device by a single film-bonding process, it simplifies the manufacturing process, decreases the cost, reduces the thickness, and improves the flexibility of the organic electroluminescent display device. In addition, the present invention also discloses a display apparatus comprising the organic electroluminescent display device.Type: GrantFiled: May 16, 2014Date of Patent: October 18, 2016Assignee: BOE Technology Group Co., Ltd.Inventors: Long Wang, Qinghui Zeng, Xuan He, Xue Gao, Fei Liu, Yunping Di
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Publication number: 20160202613Abstract: The present disclosure provides a method of fabricating a graphene touch sensor, a graphene sensor and a touch-sensitive display device. The method comprises: forming a graphene layer on a substrate; forming a metal layer on the graphene layer; coating a photoresist layer on the metal layer; exposing the photoresist layer by using a gray-scale reticle and developing the exposed photoresist layer to obtain a photoresist completely removed region, a photoresist partially remained region, and a photoresist completely remained region; removing the metal layer located in the photoresist completely removed region; removing the graphene layer located in the photoresist completely removed region; removing the metal layer located in the photoresist partially remained region; coating a protective film on the graphene layer located in the photoresist partially remained region; striping off the remainder photoresist.Type: ApplicationFiled: July 17, 2015Publication date: July 14, 2016Inventors: Yunping Di, Zhen Liu
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Publication number: 20150280026Abstract: The invention provides a flexible transparent solar cell and a production process of the same, and belongs to the technical field of solar cell. The flexible transparent solar cell comprises: a flexible transparent substrate, a transparent front-electrode, a cell unit, a transparent back-electrode and a transparent encapsulating layer, which are disposed in this order; the transparent front-electrode comprising a metallic grid thin film layer and a graphene layer; and the transparent back-electrode comprising a nano metal layer and a graphene layer. The invention can be used in production of flexible transparent solar cell, in order to improve conductivity and transparency of solar cells.Type: ApplicationFiled: June 26, 2014Publication date: October 1, 2015Inventor: Yunping Di