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: 11563195
    Abstract: A stretchable display panel having a plurality of encapsulated islands and a plurality of bridges connecting the plurality of encapsulated islands is provided. The stretchable display panel includes a stretchable base substrate; a flexible base wall on the stretchable base substrate, the flexible base wall substantially enclosing a substantially enclosed space; an adhesive layer on the stretchable base substrate and substantially enclosed in the substantially enclosed space; and a plurality of light emitting elements on a side of the adhesive layer away from the stretchable base substrate. A respective one of the plurality of encapsulated islands includes at least one of the plurality of light emitting elements encapsulated therein on the stretchable base substrate.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: January 24, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Wenqi Liu, Zhongyuan Sun, Guangcai Yuan, Jinxiang Xue, Guoqiang Wang, Chao Dong
  • Publication number: 20230011316
    Abstract: A display substrate includes a base; and a first display region and a second display region disposed on the base, where a light transmittance of the first display region is greater than a light transmittance of the second display region, and the first display region includes one or more first sub-regions and one or more second sub-regions; where the one or more first sub-regions include a plurality of first sub-pixels, and each of the first sub-pixels includes a first electrode disposed on the base, a light emitting layer disposed on the first electrode, and a second electrode disposed on the light emitting layer. A display panel, a display device and a method of manufacturing a display substrate are further disclosed.
    Type: Application
    Filed: June 3, 2021
    Publication date: January 12, 2023
    Inventors: Chuanxiang XU, Shi SHU, Qi YAO, Guangcai YUAN, Haitao HUANG, Xiang LI, Yong YU, Yang YUE, Qingyu HUANG
  • Publication number: 20230003927
    Abstract: A display panel includes at least one pixel unit. The pixel unit includes a first sub-pixel, a second sub-pixel, a third sub-pixel and a fourth sub-pixel. The first, second, third and fourth sub-pixels include a first color filter portion, second color filter portion, a third color filter portion and a fourth color filter portion, respectively. The first, second and third color filter portions are configured to emit light of three primary colors. A material of the fourth color filter portion includes at least one light conversion material configured to convert a portion of light directed to the fourth color filter portion into light of at least one primary color. The light of at least one primary color is capable of being mixed with another portion of the light directed to the fourth color filter portion to generate white light.
    Type: Application
    Filed: April 9, 2021
    Publication date: January 5, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhiqiang JIAO, Guangcai YUAN
  • Publication number: 20220415253
    Abstract: An array substrate includes a base substrate, a pixel circuit, a flexible layer, a lead structure, a control circuit and a planarization layer. The flexible layer 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: August 26, 2022
    Publication date: December 29, 2022
    Inventors: Xiaoyan Zhu, Hua Huang, Guangcai Yuan, Xue Dong
  • Patent number: 11534755
    Abstract: The present disclosure relates to a micro-channel device. The micro-channel device may include a micro-channel structure and a semiconductor junction. The micro-channel structure may include a base layer, a plurality of rails distributed on the base layer at intervals, and a cover layer comprising a plurality of columns. The cover layer and the base layer are configured to form a plurality of micro-channels. The semiconductor junction may include a P-type semiconductor layer, an intrinsic semiconductor layer and a N-type semiconductor layer stacked in a first direction.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: December 27, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ce Ning, Xiaochen Ma, Hehe Hu, Guangcai Yuan, Xin Gu
  • Patent number: 11538385
    Abstract: A gate driving unit includes: a pull-up node denoising circuit; a pull-down node control circuit; a pull-up node control circuit; and an energy storage circuit. The pull-up node denoising circuit is configured to, under control of a potential of the pull-down node, control coupling or discoupling between the first pull-up node and the input terminal. The pull-down node control circuit is configured to, under control of a control voltage, control the potential of the pull-down node; under control of a potential of the second pull-up node, control coupling or discoupling between the pull-down node and the input terminal. The pull-up node control circuit is configured to, under control of an anti-leakage control voltage, control coupling or discoupling between the first pull-up node and the second pull-up node, and configured to maintain the potential of the second pull-up node. The energy storage circuit is configured to store electric energy.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: December 27, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhichong Wang, Guangcai Yuan, Fuqiang Li, Jing Feng, Xinglong Luan, Peng Liu
  • Publication number: 20220406749
    Abstract: Disclosed are an electrical connection method for an electronic element, and a backlight module, a display panel, and a display apparatus which include an electronic element to which the electrical connection method is applied. The electrical connection method comprises: providing a driving back plane, wherein the driving back plane comprises multiple contact electrodes; forming an anti-oxidation protection film on the contact electrodes; coating a position of the anti-oxidation protection film corresponding to each contact electrode with a binding material; and transferring multiple electronic elements to the positions of the corresponding contact electrodes, binding each electronic element to the corresponding contact electrode, and removing the anti-oxidation protection film at the position of each contact electrode before completing the binding of each electronic element to the corresponding contact electrode.
    Type: Application
    Filed: February 28, 2020
    Publication date: December 22, 2022
    Inventors: Zhanfeng CAO, Jiushi WANG, Ke WANG, Guocai ZHANG, Junwei YAN, Yingwei LIU, Haitao HUANG, Guangcai YUAN
  • Publication number: 20220393075
    Abstract: Provided is a display panel, including a drive backplate, light emitting elements and a light reflecting layer located on the drive backplate, where the light reflecting layer includes a first light reflecting layer made of a metal and wrapping sidewalls of the light emitting elements, and the first light reflecting layer is configured to enable light emitted by each of the light emitting elements to be guided out from a top portion of the light emitting element. Further provided are a display apparatus and a method of manufacturing a display panel.
    Type: Application
    Filed: March 1, 2021
    Publication date: December 8, 2022
    Inventors: Haixu LI, Guangcai YUAN
  • Publication number: 20220384747
    Abstract: A display substrate (910), including a flexible substrate body, a thickness adjustment layer (71), and a micro-lens layer (72). The flexible substrate body includes: a plurality of island-shaped display regions (100) spaced apart from each other, a hollow region (300) disposed between adjacent island-shaped display regions (100), and a connection region (200) for connecting the adjacent island-shaped display regions (100). The thickness adjustment layer (71) is disposed on light exit sides of the plurality of island-shaped display regions (100) of the flexible substrate body. The micro-lens layer (72) is disposed on the side of the thickness adjustment layer (71) away from the flexible substrate body.
    Type: Application
    Filed: June 10, 2021
    Publication date: December 1, 2022
    Inventors: Zhongyuan SUN, Meng YAN, Che AN, Guangcai YUAN, Jinnv LIU
  • Publication number: 20220384531
    Abstract: Disclosed are a display substrate and a manufacturing method therefor, and a display panel and a display device. The arrangement of a first isolation portion and a second isolation portion at least disconnects a first isolated portion from one of a second isolated portion and a third isolated portion; therefore, the effect of isolating a cathode can be enhanced when an isolated layer is the cathode multiplexed into a self-capacitance electrode; and when the isolated layer is an inorganic film encapsulation layer contained in a bezel area, cracks generated by cutting or for other reasons may be prevented from extending to a display area.
    Type: Application
    Filed: January 5, 2021
    Publication date: December 1, 2022
    Inventors: Chuanxiang XU, Shi SHU, Qi YAO, Guangcai YUAN, Haitao HUANG, Yong YU, Yang YUE, Zhongyuan SUN
  • Publication number: 20220376137
    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: Application
    Filed: November 6, 2020
    Publication date: November 24, 2022
    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
  • Publication number: 20220375966
    Abstract: An array substrate includes a base substrate, a driving circuit layer, and a functional device layer which are sequentially stacked; the driving circuit layer is provided with first driving circuits, and each first driving circuit at least comprises a driving transistor; and the driving circuit layer comprises a first gate layer, a first gate insulation layer, a semiconductor layer, a second gate insulation layer, a second gate layer, an interlayer dielectric layer, and a source-drain metal layer which are sequentially stacked on one side of the base substrate.
    Type: Application
    Filed: May 18, 2021
    Publication date: November 24, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Xue DONG, Guangcai YUAN, Ce NING, Zhiwei LIANG, Feng GUAN, Zhaohui QIANG, Yingwei LIU, Ke WANG, Zhanfeng CAO
  • Patent number: 11502152
    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: Grant
    Filed: March 6, 2019
    Date of Patent: November 15, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Haibin Zhu, Zhongyuan Sun, Guangcai Yuan, Weijie Wang, Bo Jiang
  • Publication number: 20220359627
    Abstract: A display substrate is provided, including a base substrate, an anode layer arranged on the base substrate, a pixel definition layer arranged at a side of the anode layer away from the base substrate and configured to define a plurality of pixels, and a plurality of pixel banks arranged on the pixel definition layer. The pixel definition layer and the plurality of pixel banks are arranged in such a manner as to divide each pixel into a plurality of subpixels.
    Type: Application
    Filed: March 30, 2021
    Publication date: November 10, 2022
    Inventors: Dejiang ZHAO, Guangcai YUAN
  • Patent number: 11495718
    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: Grant
    Filed: May 13, 2020
    Date of Patent: November 8, 2022
    Assignee: Beijing Boe Technology Development Co., Ltd.
    Inventors: Zhanfeng Cao, Yingwei Liu, Ke Wang, Dongni Liu, Minghua Xuan, Guangcai Yuan, Lei Chen, Xue Dong
  • Publication number: 20220352000
    Abstract: A light-emitting diode substrate, a manufacturing method thereof, and a display device are disclosed. The manufacturing method of the light-emitting diode substrate includes: forming an epitaxial layer group of M light-emitting diode chips on a substrate; transferring N epitaxial layer groups on N substrates onto a transition carrier substrate, the N epitaxial layer groups on the N substrates being densely arranged on the transition carrier substrate; and transferring at least part of N*M light-emitting diode chips corresponding to the N epitaxial layer groups on the transition carrier substrate onto a driving substrate, an area of the transition carrier substrate is greater than or equal to a sum of areas of the N substrates, M is a positive integer greater than or equal to 2, and N is a positive integer greater than or equal to 2.
    Type: Application
    Filed: October 30, 2020
    Publication date: November 3, 2022
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haixu LI, Xiao ZHANG, Fei WANG, Mingxing WANG, Shulei LI, Xue DONG, Guangcai YUAN, Zhanfeng CAO, Xin GU, Ke WANG, Feng QU, Xuan LIANG, Junwei YAN
  • Publication number: 20220352487
    Abstract: A display panel includes a light-emitting substrate, an opposite substrate, and an intermediate layer assembly between the light-emitting substrate and the opposite substrate. The light-emitting substrate has a light-emitting surface configured to allow light to be emitted from, and the light emitted from the light-emitting surface is directed to the opposite substrate. The intermediate layer assembly includes a thin film encapsulation layer, a filler layer, and an overcoat that are sequentially stacked in a pointing direction vertically pointing from the light-emitting substrate to the opposite substrate. The thin film encapsulation layer includes at least two encapsulation sub-layers that are stacked in the pointing direction. In the pointing direction, refractive indexes of the encapsulation sub-layers gradually increase. A refractive index of the overcoat is higher than a refractive index of the filler layer.
    Type: Application
    Filed: November 6, 2020
    Publication date: November 3, 2022
    Inventors: Wei LI, Shi SHU, Wei HUANG, Dini XIE, Guangcai YUAN
  • Publication number: 20220344405
    Abstract: Provided are a display substrate and a manufacturing method thereof, and a visible light communication apparatus. The display substrate includes a substrate, and the substrate includes a display region and a peripheral region surrounding the display region; the peripheral region includes a visible light signal receiving region surrounding the display region; the display substrate further includes a photosensitive sensing unit, the photosensitive sensing unit is located in the visible light signal receiving region and is configured to receive a visible light signal and convert the visible light signal into an electrical signal to achieve visible light communication.
    Type: Application
    Filed: February 19, 2021
    Publication date: October 27, 2022
    Inventors: Haibin ZHU, Qingyu HUANG, Weijie WANG, Lu WANG, Guangcai YUAN, Fengjie ZHANG, Dongliang BAI
  • Publication number: 20220344407
    Abstract: Disclosed is a display apparatus, the display apparatus includes: a base, a display layer disposed on a side of the base, and a color filter layer disposed on a display side of the display layer. The display layer includes a plurality of sub-pixels. The color filter layer includes a plurality of color resistance portions in one-to-one correspondence with the plurality of sub-pixels. A thickness of any color resistance portion of the plurality of color resistance portions is decreased in a direction away from a reference line of the color resistance portion, and the reference line is a straight line passing through a geometric center of the color resistance portion and perpendicular to the base.
    Type: Application
    Filed: July 7, 2022
    Publication date: October 27, 2022
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chuanxiang XU, Guangcai YUAN, Shi SHU, Qi YAO
  • Publication number: 20220344557
    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: Application
    Filed: October 22, 2020
    Publication date: October 27, 2022
    Inventors: Haixu LI, Guangcai YUAN, Zhanfeng CAO, Ke WANG, Qi QI