Patents by Inventor Guangcai YUAN

Guangcai YUAN 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: 11219899
    Abstract: The present application provides a micro-channel structure. The micro-channel structure includes a base substrate; a rail layer on the base substrate and including a first rail and a second rail spaced apart from each other; and a wall layer on a side of the rail layer distal to the base substrate, and including a first wall and a second wall at least partially spaced apart from each other, thereby forming a micro-channel between the first wall and the second wall. The micro-channel has an extension direction along a plane substantially parallel to a main surface of the base substrate, the extension direction being substantially parallel to extension directions of the first rail and the second rail along the plane substantially parallel to the main surface of the base substrate.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: January 11, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xiaochen Ma, Guangcai Yuan, Ce Ning, Song Liu
  • Patent number: 11219894
    Abstract: A microfluidic channel structure and a fabrication method thereof, a microfluidic detecting device and a detecting method thereof are disclosed. The microfluidic channel structure includes a support portion; a foundation portion, provided on the support portion and including a first foundation and a second foundation spaced apart from each other; and a channel defining portion, provided on a side of the foundation portion that is away from the support portion and including a first channel layer and a second channel layer, the first channel layer covering the first foundation and the second channel layer covering the second foundation have a gap therebetween to define a microfluidic channel; and the first channel layer and the second channel layer are made of a same material.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: January 11, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaochen Ma, Guangcai Yuan, Ce Ning, Xin Gu, Hehe Hu
  • Publication number: 20210408330
    Abstract: The present disclosure relates to a display substrate and a method for manufacturing the same. The display substrate includes: a substrate; a first electrode located on the substrate; and a conductive convex located on the first electrode. A dimension of a cross section of the conductive convex along a plane parallel to the substrate is negatively correlated to a distance from the cross section to a surface of the first electrode.
    Type: Application
    Filed: July 24, 2019
    Publication date: December 30, 2021
    Inventors: Guangcai YUAN, Zhijun LV, Haixu LI, Xiaoxin SONG, Feng ZHANG, Wenqu LIU, Liwen DONG, Zhao CUI, Libo WANG, Detian MENG
  • Publication number: 20210408197
    Abstract: The present disclosure relates to a display apparatus. The display apparatus may include a plurality of display units, each of the plurality of display units including at least one pixel, and a plurality of connectors that connect the plurality of display units to one another. The plurality of connectors and the plurality of display units may form a mesh distribution structure and, when the mesh distribution structure is stretched in a first direction, the mesh distribution structure may be configured to expand in a second direction perpendicular to the first direction.
    Type: Application
    Filed: March 6, 2019
    Publication date: December 30, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Haibin Zhu, Zhongyuan Sun, Guangcai Yuan, Weijie Wang, Bo Jiang
  • Publication number: 20210408331
    Abstract: A display backplane includes a base, a plurality of driving electrodes disposed above the base, and a connection structure disposed on at least one of the plurality of driving electrodes. An orthographic projection of the connection structure on the base is within an orthographic projection of a corresponding driving electrode on the base; and the connection structure includes at least one conductive portion disposed at a first included angle with the corresponding driving electrode.
    Type: Application
    Filed: August 16, 2019
    Publication date: December 30, 2021
    Inventors: Zhiwei LIANG, Yingwei LIU, Han YUE, Minghua XUAN, Hsuanwei MAI, Zhanfeng CAO, Ke WANG, Huijuan WANG, Guangcai YUAN, Zhijun LV, Xinhong LU
  • Publication number: 20210407976
    Abstract: Provided is a display backplate includes including an array substrate and a plurality of pairs of connection structures on the array substrate, wherein the array substrate includes a plurality of thin-film transistors and a common electrode signal line, wherein at least one of the plurality of thin-film transistors is connected to one of a pair of connection structures and the common electrode signal line is connected to the other of the pair of connection structures; and an area of a first section of the connection structure is negatively correlated with a distance between the first section and a surface of the array substrate, and the first section is parallel to the surface of the array substrate.
    Type: Application
    Filed: May 31, 2019
    Publication date: December 30, 2021
    Inventors: Zhiwei Liang, Wenqian Luo, Yingwei Liu, Ke Wang, Qi Yao, Huijuan Wang, Haixu Li, Zhanfeng Cao, Guangcai Yuan, Xue Dong, Guoqiang Wang, Zhijun Lv
  • Publication number: 20210407841
    Abstract: The present disclosure discloses a mass transfer method and system for micro light emitting diodes, wherein the mass transfer method includes: providing a component substrate on which a plurality of micro light emitting diodes are formed; picking up the micro light emitting diodes on the component substrate at least once by a plurality of bonding structures on a first medium load substrate, and transferring micro light emitting diodes picked up every time to a second medium load substrate; and transferring the micro light emitting diodes on the second medium load substrate into corresponding sub-pixels on a target substrate at one time, wherein one of the micro light emitting diodes on the second medium load substrate corresponds to one of the sub-pixels on the target substrate.
    Type: Application
    Filed: June 13, 2019
    Publication date: December 30, 2021
    Inventors: Xue DONG, Guangcai YUAN, Zhijun LV, Haixu LI, Zhiwei LIANG, Huijuan WANG, Ke WANG, Zhanfeng CAO, Hsuanwei MAI
  • Publication number: 20210408052
    Abstract: An array substrate is provided. The array substrate includes a base substrate; a first bonding pad layer including a plurality of first bonding pads on a first side of the base substrate; a second bonding pad layer including a plurality of second bonding pads on a second side of the base substrate, wherein the second side is opposite to the first side; and a plurality of signal lines on a side of the second bonding pad layer away from the base substrate. A respective one of the plurality of second bonding pads extends through the base substrate to electrically connect to a respective one of the plurality of first bonding pads. The respective one of the plurality of first bonding pads includes a protruding portion protruding away from the first side of the base substrate along a direction from the second side to the first side.
    Type: Application
    Filed: May 13, 2019
    Publication date: December 30, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Zhiwei Liang, Muxin Di, Ke Wang, Yingwei Liu, Xiaoyan Zhu, Zhanfeng Cao, Guangcai Yuan
  • Publication number: 20210389682
    Abstract: Provided is a digital exposure control method, including: performing exposure of different types of functional areas of a substrate to be exposed through one or a plurality of full-page scans, wherein scan speeds for different types of functional areas of the substrate to be exposed are different.
    Type: Application
    Filed: March 11, 2021
    Publication date: December 16, 2021
    Inventors: Xinglong LUAN, Fuqiang LI, Jing FENG, Zhichong WANG, Peng LIU, Guangcai YUAN, Xue DONG
  • Publication number: 20210389627
    Abstract: A display panel and a manufacture method thereof, and a display apparatus are provided. A display liquid crystal panel and a light control panel that are stacked. The display liquid crystal panel includes a first substrate and a second substrate that are opposite to each other; the light control panel includes a third substrate and a fourth substrate that are opposite to each other. The second substrate and the third substrate are between the first substrate and the fourth substrate. The first polarizer is between the second polarizer and the third polarizer. The first polarizer, the second polarizer, and the third polarizer are configured to allow backlight to emit out of the fourth substrate after passing through the second polarizer, the first polarizer, and the third polarizer in sequence.
    Type: Application
    Filed: September 29, 2020
    Publication date: December 16, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangcai YUAN, Haixu LI
  • Publication number: 20210366380
    Abstract: An array substrate includes a base substrate, a pixel circuit, a flexible substrate, a lead structure, a control circuit and a planarization layer. The flexible substrate includes a first substrate portion and a second substrate portion, and the lead structure includes a first lead portion and a second lead portion. The pixel circuit, the first lead portion and the first substrate portion are all arranged on a first side of the base substrate, the control circuit, the second lead portion and the second substrate portion are all arranged on a second side of the base substrate, and the second side is opposite to the first side.
    Type: Application
    Filed: November 8, 2019
    Publication date: November 25, 2021
    Inventors: Xiaoyan Zhu, Hua Huang, Guangcai Yuan, Xue Dong
  • Publication number: 20210359184
    Abstract: The present disclosure provides a driving substrate, a method for preparing the same, and a flexible display device. The driving substrate includes: a base substrate; a first driving function layer arranged on a first surface of the base substrate, the first driving function layer including a plurality of driving thin film transistors and a plurality of signal wirings, and at least one of the plurality of signal wirings being of a single-layer structure and having a thickness greater than a threshold; a pad layer arranged on a surface of the first driving function layer away from the base substrate, the pad layer including a plurality of first pads and a plurality of second pads, and each first pad being connected to a first electrode of the corresponding driving thin film transistor and each second pad being connected to a common electrode line in the plurality of signal wirings.
    Type: Application
    Filed: May 13, 2020
    Publication date: November 18, 2021
    Inventors: Zhanfeng CAO, Yingwei LIU, Ke WANG, Dongni LIU, Minghua XUAN, Guangcai YUAN, Lei CHEN, Xue DONG
  • Publication number: 20210359182
    Abstract: The present disclosure provides a driving substrate, a method for preparing the same, and a display device. The driving substrate includes: a base substrate; a stress buffer layer located on the base substrate; a plurality of first wirings located on a surface of the stress buffer layer away from the base substrate; a first insulating layer located on a surface of the first wiring away from the base substrate; a plurality of second wiring structures located on a surface of the first insulating layer away from the base substrate; a second insulating layer located on a surface of the second wiring structure away from the base substrate; an electronic element located on a surface of the second insulating layer away from the base substrate.
    Type: Application
    Filed: April 10, 2020
    Publication date: November 18, 2021
    Inventors: Zhanfeng CAO, Ke WANG, Jianguo WANG, Guocai ZHANG, Guangcai YUAN, Xue DONG
  • Patent number: 11177327
    Abstract: A display panel and manufacturing method thereof, a display device. The display panel includes a base substrate, light-emitting element and a photoelectric conversion structure: the light-emitting element is disposed on the base substrate; the photoelectric conversion structure is disposed on the base substrate and configured to receive a part of light emitted by the light-emitting element, convert energy of light received by the photoelectric conversion structure into electric energy, and supply the electric energy to the light-emitting element.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: November 16, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangcai Yuan, Haixu Li
  • Patent number: 11169412
    Abstract: The present disclosure provides a stacked display panel, a manufacturing method, and a display device. The stacked display panel includes a first display substrate, a second display substrate, and a third display substrate arranged in sequence. A color filter layer is on a side of the second display substrate facing the first display substrate, and a polarizing layer is on a side of the second display substrate facing the third display substrate. A first polarizer is on a side of the first display substrate facing away from the second display substrate, and a transmission axis direction of the first polarizer and a transmission axis direction of the polarizing layer are perpendicular to each other. A second polarizer is on a side of the third display substrate facing away from the second display substrate, and transmission axis directions of the second polarizer and the polarizing layer are perpendicular to each other.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: November 9, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangcai Yuan, Haixu Li
  • Publication number: 20210331167
    Abstract: The present application provides a micro-channel structure. The micro-channel structure includes a base substrate; a rail layer on the base substrate and including a first rail and a second rail spaced apart from each other; and a wall layer on a side of the rail layer distal to the base substrate, and including a first wall and a second wall at least partially spaced apart from each other, thereby forming a micro-channel between the first wall and the second wall. The micro-channel has an extension direction along a plane substantially parallel to a main surface of the base substrate, the extension direction being substantially parallel to extension directions of the first rail and the second rail along the plane substantially parallel to the main surface of the base substrate.
    Type: Application
    Filed: August 1, 2018
    Publication date: October 28, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Xiaochen Ma, Guangcai Yuan, Ce Ning, Song Liu
  • Publication number: 20210336203
    Abstract: The present application provides a display substrate. The display substrate includes a base substrate; a crack barrier layer on the base substrate defining a plurality of crack barrier regions in the display substrate; and a plurality of encapsulated islands on the base substrate and respectively in the plurality of crack barrier regions. Each of the plurality of encapsulated islands includes at least one of a plurality of light emitting elements; and an encapsulating layer encapsulating the at least one of a plurality of light emitting elements and forming a lateral side of a respective one of the plurality of encapsulated islands. The crack barrier layer forms a barrier wall for preventing cracks in one or more sublayers of the display substrate outside the plurality of encapsulated islands from propagating into inside of each of the plurality of encapsulated islands.
    Type: Application
    Filed: October 10, 2018
    Publication date: October 28, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Zhongyuan Sun, Jingkai Ni, Jinxiang Xue, Guangcai Yuan, Wenqi Liu
  • Publication number: 20210333710
    Abstract: A photoresist composition and manufacturing method thereof, a manufacturing method of a metal pattern, and a manufacturing method of an array substrate are provided. The photoresist composition includes a base material and an ion adsorbent, and the ion adsorbent is chelating resin.
    Type: Application
    Filed: May 22, 2018
    Publication date: October 28, 2021
    Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Wei Li, Guangcai Yuan, Bin Zhou, Dongfang Wang, Jun Cheng, Yingbin Hu, Jingjing Xia, Tongshang Su
  • Publication number: 20210331168
    Abstract: A biosensor apparatus is provided. The biosensor apparatus includes a base substrate; a first fluid channel layer on the base substrate and having a first fluid channel passing therethrough; a foundation layer on a side of the first fluid channel layer away from the base substrate, a foundation layer throughhole extending through the foundation layer to connect to the first fluid channel; and a micropore layer on a side of the foundation layer away from the base substrate, a micropore extending through the micropore layer to connect to the first fluid channel through the foundation layer throughhole. The micropore layer extends into the foundation layer throughhole and at least partially covers an inner wall of the foundation layer throughhole.
    Type: Application
    Filed: May 6, 2019
    Publication date: October 28, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Xiaochen Ma, Guangcai Yuan, Ce Ning, Xin Gu, Hehe Hu
  • Publication number: 20210305283
    Abstract: A display panel, a manufacturing method thereof, and a display device. The manufacturing method comprises: sequentially forming a sacrificial layer and a flexible substrate on a surface of a side of a rigid base plate; forming a connection-via pair in the flexible substrate; forming a conductive layer on the flexible substrate, and forming connection portions; forming a leveling layer; forming driving circuits corresponding one-to-one to the connection-via pairs on the flexible substrate, and forming a driving chip on a side of the driving circuits facing away from the flexible substrate, the driving chip being electrically connected to the driving circuits; separating the sacrificial layer from the flexible substrate; and forming a micro LED device on a surface of the flexible substrate facing away from the driving circuits, the micro LED device being electrically connected to the connection portions.
    Type: Application
    Filed: May 19, 2020
    Publication date: September 30, 2021
    Inventors: Muxin DI, Zhiwei LIANG, Yingwei LIU, Ke WANG, Zhanfeng CAO, Guangcai YUAN