Patents by Inventor Zhanfeng CAO

Zhanfeng CAO 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: 20250017056
    Abstract: A display substrate is provided, which includes a base substrate and a plurality of sub-pixels disposed on the base substrate. At least one sub-pixel includes a light transmittance region and a display region. The display region includes a circuit structure layer and a light-emitting element which are disposed on a base substrate, and the light-emitting element is connected with the circuit structure layer. The display substrate further includes a plurality of insulating layers disposed on the base substrate, and at least one insulating layer is hollowed in the light transmittance region.
    Type: Application
    Filed: September 23, 2024
    Publication date: January 9, 2025
    Inventors: Dapeng XUE, Shuilang DONG, Ke WANG, Zhanfeng CAO
  • Patent number: 12183748
    Abstract: An array substrate including a display area having a plurality of subpixels is provided. The plurality of subpixels includes a plurality of first subpixels in a display-bonding sub-area and a plurality of second subpixels in a regular display sub-area. The array substrate includes a plurality of thin film transistors on a first side of the base substrate and respectively in the plurality of subpixels. A respective one of the plurality of first subpixels includes a bonding pad on a second side of a base substrate; a lead line electrically connecting a respective one of a plurality of thin film transistors to the bonding pad; and a via extending through the base substrate. The lead line is unexposed in the array substrate. The lead line extends from the first side to the second side of the base substrate through the via, to connect to the bonding pad.
    Type: Grant
    Filed: November 23, 2023
    Date of Patent: December 31, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Ke Wang, Muxin Di, Zhiwei Liang, Guoqiang Wang, Renquan Gu, Xiaoxin Song, Xiaoyan Zhu, Yingwei Liu, Zhanfeng Cao
  • Patent number: 12183867
    Abstract: The present disclosure provides a driving substrate, including: a flexible substrate including a display region and a bendable region; a first conductive layer on the flexible substrate and including a first wire in the display region, and a connection wire at least partially in the bendable region; a flexible insulating layer including a first insulation pattern in the display region, and a second insulation pattern in the bendable region; a second conductive layer at a side of the flexible insulating layer far away from the flexible substrate; and a planarization layer at a side of the second conductive layer far away from the flexible substrate and having a hollow structure in the bendable region, wherein a thickness of a portion of the second insulating pattern covering the connection wire is d2, a thickness of the flexible substrate is d3, and d2?2 ?m and |d2?d3|?3 ?m.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: December 31, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinhong Lu, Zhanfeng Cao, Jingshang Zhou, Liuqing Li, Ting Zeng, Yongfei Li, Qi Qi
  • Publication number: 20240371847
    Abstract: A light-emitting substrate includes a driving circuit layer, a first light-emitting layer located on a side of the driving circuit layer, a second light-emitting layer located on a side of the first light-emitting layer away from the driving circuit layer, and a third light-emitting layer located on a side of the second light-emitting layer away from the driving circuit layer. The pixel circuit layer includes pixel circuits. The first light-emitting layer includes first light-emitting devices respectively coupled to the pixel circuits. The second light-emitting layer includes second light-emitting devices respectively coupled to the pixel circuits. The third light-emitting layer includes third light-emitting devices respectively coupled to the pixel circuits. Orthographic projections of a first light-emitting device, a second light-emitting device and a third light-emitting device on the driving circuit layer do not necessarily coincide with each other.
    Type: Application
    Filed: July 15, 2024
    Publication date: November 7, 2024
    Applicants: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuilang DONG, Yan QU, Xinhong LU, Zhanfeng CAO, Guoteng LI, Liuqing LI
  • Patent number: 12132160
    Abstract: A method of manufacturing a driving backplane for display includes: forming a first conductive pattern layer including first conductive lines on a base; and forming a second conductive pattern layer including electrode groups and second conductive lines on a side of the first conductive pattern layer away from the base. The first conductive lines and the second conductive lines cross and are insulated from each other; an electrode group includes a first electrode and a second electrode electrically connected to a corresponding second conductive line. Orthogonal projections, on the base, of the first electrode and a corresponding first conductive line have an overlapping region, and a portion of the first electrode, whose orthogonal projection on the base is located in the overlapping region, is in contact with a portion of the first conductive line, whose orthogonal projection on the base is located in the overlapping region.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: October 29, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingwei Liu, Zhanfeng Cao, Zhiwei Liang, Ke Wang, Muxin Di, Shuang Liang, Yankai Gao
  • Patent number: 12127447
    Abstract: A display substrate is provided, which includes a base substrate and a plurality of sub-pixels disposed on the base substrate. At least one sub-pixel includes a light transmittance region and a display region. The display region includes a circuit structure layer and a light-emitting element which are disposed on a base substrate, and the light-emitting element is connected with the circuit structure layer. The display substrate further includes a plurality of insulating layers disposed on the base substrate, and at least one insulating layer is hollowed out in the light transmittance region.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: October 22, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Dapeng Xue, Shuilang Dong, Ke Wang, Zhanfeng Cao
  • Publication number: 20240329472
    Abstract: A color filter, a preparation method therefore, an array substrate and a display device are provided. The color filter includes a plurality of filter units (20) provided on a base substrate (10) for transmitting light of different colors, and a light shielding layer (30) located between adjacent filter units (20) for transmitting light of different colors. The filter unit (20) includes a first surface facing the base substrate (10), a second surface facing away from the base substrate, and a third surface connecting the first surface and the second surface. The light shielding layer (30) is provided on the third surface of at least one of two adjacent filter units (20) transmitting light of different colors.
    Type: Application
    Filed: April 26, 2024
    Publication date: October 3, 2024
    Inventors: Xinhong LU, Yan QU, Ce NING, Wei YANG, Zhanfeng CAO, Jingshang ZHOU, Lizhong WANG
  • Publication number: 20240332460
    Abstract: A display substrate, a method for manufacturing the display substrate, and a display device are provided. The display substrate includes: a base substrate; a metal layer on the base substrate, including a copper layer having a first thickness; an anti-oxidation layer on a side of the metal layer away from the base substrate, having a second thickness; and a light emitting diode on a side of the anti-oxidation layer away from the base substrate, including at least one electrode electrically connected to the metal layer, where the first thickness of the metal layer is larger than the second thickness of the anti-oxidation layer.
    Type: Application
    Filed: June 30, 2022
    Publication date: October 3, 2024
    Inventors: Jiaxiang Zhang, Ke Wang, Zhanfeng Cao
  • Patent number: 12087892
    Abstract: The present disclosure provides a supporting substrate, including: a base substrate and a plurality of connecting electrodes provided on the base substrate, wherein a clamping electrode is provided on a side of at least one of the connecting electrodes facing away the base substrate, the clamping electrode is electrically connected with a corresponding connecting electrode and configured to be capable of clamping and fixing an electrode pin of the micro-light emitting device. The present disclosure also provides a manufacturing method for the supporting substrate, and a backplane.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: September 10, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhiwei Liang, Wenqian Luo, Zhijun Lv, Yingwei Liu, Ke Wang, Zhanfeng Cao
  • Patent number: 12066247
    Abstract: The present disclosure provides an air drying device including: a base including opposing top and bottom portions, the top portion including at least one first bearing surface; and at least one bearing plate disposed at the top portion of the base. The bearing plate includes a second bearing surface, and the first bearing surface is inclined relative to the second bearing surface.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: August 20, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Guocai Zhang, Junwei Yan, Shaodong Sun, Shihao Dong, Yingwei Liu, Zhanfeng Cao, Guangcai Yuan
  • Patent number: 12062744
    Abstract: The present disclosure relates to a display substrate, a display device, and a method for manufacturing a display substrate. The display substrate includes a base substrate having a first side and a second side opposite to the first side, a via provided in the base substrate, a thin film transistor provided on the first side of the base substrate, a first conductive structure provided on the first side of the base substrate, wherein a first sub-portion of the first conductive structure is located in the via, and wherein a material of the first conductive structure is the same as a material of a source/drain electrode of the thin film transistor.
    Type: Grant
    Filed: October 12, 2019
    Date of Patent: August 13, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Muxin Di, Ke Wang, Guoqiang Wang, Zhiwei Liang, Renquan Gu, Yingwei Liu, Qi Yao, Zhanfeng Cao
  • Patent number: 12057520
    Abstract: A method for manufacturing a display substrate includes: fabricating a first functional structure on a first side of a common substrate, and fabricating a second functional structure on a second side of the common substrate; fabricating a via hole in an edge region of the common substrate; and fabricating a conductive connection portion in the via hole, a first end of the conductive connection portion on the first side extending out of the via hole and coupled to a first functional pattern in the first functional structure, and a second end of the conductive connection portion on the second side extending out of the via hole and coupled to a second functional pattern in the second functional structure. The method provided in embodiments of the present disclosure is applied to the manufacturing of a display substrate.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: August 6, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingwei Liu, Zhiwei Liang, Ke Wang, Zhanfeng Cao, Shuang Liang
  • Patent number: 12057536
    Abstract: The present disclosure relates to a backplane, a backlight source, a display device, and a manufacturing method of the backplane. The backplane includes: a substrate; a plurality of barriers disposed on a surface of the substrate; and a first metal layer disposed on the surface of the substrate and including a plurality of metal patterns spaced apart by the plurality of barriers, wherein the barrier and the metal pattern are connected by a concave-convex mating structure.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: August 6, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ke Wang, Zhanfeng Cao
  • Patent number: 12057538
    Abstract: A driving substrate, including: a base; a first insulating layer and first conductive wires on the base; the first insulating layer is provided with openings, the first conductive wires are positioned in the openings, and at any position in a lengthwise direction of the first conductive wires, each side surface of each first conductive wire is in contact with a side surface of the opening, where said each first conductive wire is positioned, at least at a partial height; each first conductive wire includes a seed wire and a growth wire; second conductive wires positioned on a side of the first conductive wires away from the base, each second conductive wire is coupled to one first conductive wire and is provided with a coupling area for coupling a light-emitting unit. A method for manufacturing the driving substrate, a light-emitting substrate and a display device are further provided.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: August 6, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jianguo Wang, Zhanfeng Cao
  • Publication number: 20240244747
    Abstract: A wiring board includes a base substrate and first connection pads disposed on the base substrate. The first connection pads each include electrical connection layer(s); each electrical connection layer includes a main material layer and protective layer(s) disposed on a side of the main material layer away from the base substrate; the protective layer(s) include a first reference protective layer, which is a protective layer farthest away from the base substrate in the protective layer(s); and a material of the main material layer includes copper. The electrical connection layer(s) includes a first electrical connection layer, which is an electrical connection layer farthest away from the base substrate in the electrical connection layer(s); and in protective layer(s) in the first electrical connection layer, at least a material of the first reference protective layer is capable of forming a first intermetallic compound with a first solder.
    Type: Application
    Filed: December 31, 2021
    Publication date: July 18, 2024
    Inventors: Nianqi YAO, Feifei LI, Ce NING, Zhengliang LI, Hehe HU, Jiayu HE, Jie HUANG, Kun ZHAO, Zhanfeng CAO, Ke WANG
  • Publication number: 20240222336
    Abstract: A light emitting baseplate and a method of manufacturing the same, and a display device. The light emitting baseplate includes a substrate, and a plurality of light emitting units and a plurality of supporting columns located on the substrate. The plurality of supporting columns are located on surfaces of the light emitting units away from the substrate. A surface of each of the light emitting units away from the substrate is provided with the supporting columns respectively. Heights of the supporting columns are equal. The supporting columns disposed on a surface of a same light emitting unit are symmetrically distributed about a symmetrical axis of the surface. The display device includes the light emitting baseplate.
    Type: Application
    Filed: November 29, 2021
    Publication date: July 4, 2024
    Inventors: Haixu LI, Zhanfeng CAO, Ke WANG, Yan QU
  • Patent number: 12021173
    Abstract: A light-emitting diode (LED) chip includes a plurality of epitaxial structures, at least one first electrode, and a plurality of second electrodes. Any two adjacent epitaxial structures of the plurality of epitaxial structures have a gap therebetween. Each epitaxial structure includes a first semiconductor pattern, a light-emitting pattern and a second semiconductor pattern stacked in sequence. First semiconductor patterns in at least two of the plurality of epitaxial structures are connected to each other to form a first semiconductor layer. A first electrode is electrically connected to the first semiconductor layer. Each second electrode is electrically connected to the second semiconductor pattern in at least one of the plurality of epitaxial structures.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: June 25, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Mingxing Wang, Binbin Tong, Lizhen Zhang, Chenyang Zhang, Zhen Zhang, Xiawei Yun, Guangcai Yuan, Xue Dong, Muxin Di, Zhiwei Liang, Ke Wang, Zhanfeng Cao
  • Patent number: 12002913
    Abstract: The present disclosure provides a display backplane including an array substrate including at least one pixel unit each including at least one TFT; a planarization layer covering the array substrate; a pad layer including pads on the planarization layer, surface of the pad away from the planarization layer being first surface, each pixel unit being provided with one pad electrically coupled to a driving thin film transistor in a corresponding pixel unit through via hole penetrating through the planarization layer; a passivation layer covering the pad layer and including through holes, each pad corresponding to one through hole, such that the first surface of each pad is exposed through corresponding through hole, and area of top opening of through hole is smaller than area of bottom opening thereof. The present disclosure further provides a fabrication method of the display backplane, a display panel and a fabrication method thereof.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: June 4, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haixu Li, Guangcai Yuan, Zhanfeng Cao, Ke Wang, Qi Qi
  • Patent number: 11996017
    Abstract: The present application discloses an array substrate and a splicing screen. The array substrate provided by an embodiment of the present application includes: a flexible base, wherein the flexible base includes a display region, a first region and a second region, the display region and at least one of the first region and the second region are located in different planes, and the first region is located between the display region and the second region; a plurality of signal lines, arranged on the display region and the first region; a plurality of fan-out lines, arranged on the second region and connected with the plurality of signal lines in a one-to-one correspondence; and a buffer cushion, arranged on the first region, wherein an orthographic projection of the buffer cushion on the flexible base does not overlap with orthographic projections of the signal lines on the flexible base.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: May 28, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Shuilang Dong, Xinhong Lu, Jingshang Zhou, Lei Zhao, Zhanfeng Cao, Dapeng Xue, Lizhong Wang, Guangcai Yuan
  • Patent number: 11990481
    Abstract: The present disclosure provides an array substrate and a manufacturing method thereof, a display panel and a backlight module. The manufacturing method of the array substrate includes: providing a base substrate; forming a metal wiring layer on a side of the base substrate, the metal wiring layer including a first copper metal layer; forming a planarization layer on a side of the metal wiring layer away from the base substrate; forming a drive lead layer on a side of the planarization layer away from the base substrate, the drive lead layer being electrically connected to the metal wiring layer, the drive lead layer including a second copper metal layer with a thickness larger than that of the first copper metal layer; forming a functional device layer on a side of the drive lead layer away from the base substrate.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: May 21, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhanfeng Cao, Ke Wang, Zhiwei Liang, Jianguo Wang, Guocai Zhang, Xinhong Lu, Qi Qi