Patents by Inventor Dacheng Zhang

Dacheng Zhang 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: 20210305535
    Abstract: The present disclosure provides a display panel, a method for preparing the same, and a display device. The display panel includes: a display substrate, including a base substrate, a driving transistor embedded on the base substrate, and a first electrode layer located on the base substrate; an encapsulation protection structure located on the display substrate and surrounding a display area of the display substrate; a light emitting layer located on a surface of the first electrode layer away from the base substrate; a second electrode layer located on a surface of the light emitting layer away from the base substrate; and a first encapsulation layer located on a surface of the second electrode layer away from the base substrate.
    Type: Application
    Filed: March 31, 2020
    Publication date: September 30, 2021
    Inventors: Kui ZHANG, Li LIU, Pengcheng LU, Yunlong LI, Dacheng ZHANG
  • Publication number: 20210259086
    Abstract: A display panel and a display apparatus are disclosed. The display panel comprises: a plurality of signal lines extending in a first direction; at least one first reference voltage bus which extends in a second direction intersecting the first direction; and a plurality of electrostatic discharge units divided into a plurality of electrostatic discharge unit groups, wherein the plurality of electrostatic discharge unit groups are arranged in the second direction and each of the plurality of electrostatic discharge unit groups comprises at least two electrostatic discharge units arranged in the first direction, wherein at least one of the plurality of signal lines is electrically connected to the first reference voltage bus through at least one of the plurality of electrostatic discharge units.
    Type: Application
    Filed: December 23, 2020
    Publication date: August 19, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Pan Xu, Yongqian Li, Guoying Wang, Dacheng Zhang, Lang Liu
  • Publication number: 20210202603
    Abstract: A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. At least one sub-pixel includes a first transistor, a second transistor, a third transistor, and a storage capacitor. The display substrate further includes an extension portion protruding from the gate electrode of the first transistor, and the extension portion is extended from the gate electrode of the first transistor in the second direction; the extension portion is at least partially overlapped with the first electrode of the second transistor in a direction perpendicular to the base substrate and is electrically connected with the first electrode of the second transistor; in the first direction, the extension portion has a second side closest to the second capacitor electrode, and the second side is recessed in a direction away from the second capacitor electrode.
    Type: Application
    Filed: November 29, 2019
    Publication date: July 1, 2021
    Inventors: Zhongyuan WU, Yongqian LI, Can YUAN, Zhidong YUAN, Meng LI, Dacheng ZHANG, Lang LIU
  • Publication number: 20210202604
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. At least one sub-pixel includes a storage capacitor. The storage capacitor includes a second capacitor electrode, a first capacitor electrode and a third capacitor electrode which are sequentially on the base substrate. The first capacitor electrode has a first capacitor electrode side and a second capacitor electrode side opposite to each other in the second direction, and the second capacitor electrode has a third capacitor electrode side and a fourth capacitor electrode side opposite to each other in the second direction; orthographic projections of the first capacitor electrode side and the second capacitor electrode side on the base substrate are between an orthographic projection of the third capacitor electrode side and an orthographic projection of the fourth capacitor electrode side on the base substrate.
    Type: Application
    Filed: November 29, 2019
    Publication date: July 1, 2021
    Inventors: Zhongyuan WU, Yongqian LI, Can YUAN, Zhidong YUAN, Dacheng ZHANG, Lang LIU
  • Publication number: 20210202679
    Abstract: A display substrate and a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. The sub-pixels are arranged in a sub-pixel array. At least one sub-pixel includes a first transistor, a second transistor, a third transistor and a storage capacitor. The first electrode of the third transistor is electrically connected to an active layer of the third transistor through a first via hole, and the first electrode of the third transistor is configured to be electrically connected to the light emitting element through a second via hole; the first via hole and the second via hole are at least partially overlapped with each other in a direction perpendicular to the base substrate.
    Type: Application
    Filed: November 29, 2019
    Publication date: July 1, 2021
    Inventors: Meng LI, Zhongyuan WU, Yongqian LI, Can YUAN, Zhidong YUAN, Xuehuan FENG, Lang LIU, Dacheng ZHANG
  • Publication number: 20210202605
    Abstract: A display substrate and a display device are provided. The display substrate includes sub-pixels which are arranged in a sub-pixel array in a first direction and a second direction. At least one sub-pixel includes a first transistor, a second transistor, a third transistor, and a storage capacitor. An active layer of the third transistor includes a body region and a first via hole region successively arranged in the first direction and electrically connected with each other; a first electrode of the third transistor is electrically connected to the first via hole region through a first via hole which is shifted in the second direction with respect to the body region, allowing the active layer incudes a first active layer side connecting the body region and the first via hole region; an extension direction of the first active layer side intersects with both the first direction and the second direction.
    Type: Application
    Filed: November 29, 2019
    Publication date: July 1, 2021
    Inventors: Zhongyuan WU, Yongqian LI, Can YUAN, Meng LI, Zhidong YUAN, Dacheng ZHANG, Lang LIU
  • Publication number: 20210175296
    Abstract: A display panel and a method for manufacturing a display panel are disclosed. The display panel includes a first sub-pixel region and a second sub-pixel region which are adjacent to each other. The display panel includes a substrate and a first conductive layer, an organic functional layer, and a second conductive layer which are sequentially on the substrate. The organic functional layer includes a charge generation layer, and the charge generation layer includes a first charge generation layer portion and a second charge generation layer portion which are in the first sub-pixel region and the second sub-pixel region, respectively. The display panel further includes a spacer between the first sub-pixel region and the second sub-pixel region, and the spacer disconnects the first charge generation layer portion and the second charge generation layer portion.
    Type: Application
    Filed: August 23, 2019
    Publication date: June 10, 2021
    Inventors: Li LIU, Junbo WEI, Pengcheng LU, Shengji YANG, Yunlong LI, Rongrong SHI, Dacheng ZHANG
  • Publication number: 20210167162
    Abstract: The present disclosure relates to the field of display technologies, and provides an array substrate, a manufacturing method thereof, and a display panel.
    Type: Application
    Filed: November 29, 2019
    Publication date: June 3, 2021
    Inventors: Zhongyuan WU, Yongqian LI, Can YUAN, Meng LI, Zhidong YUAN, Xuehuan FENG, Lang LIU, Dacheng ZHANG
  • Patent number: 11018315
    Abstract: The present disclosure involves in a substrate and a method of producing the same, and a display apparatus and a method of producing the same. The substrate includes a base substrate, at least comprising an adhering region and an alignment area adjacent to the adhering region; a covering layer disposed on the base substrate, wherein a part of the covering layer located in the adhering region comprises an adhesive providing region and non-adhesive providing regions located at both sides of the adhesive providing region, wherein a groove is provided on a top of the adhesive providing region of the covering layer.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: May 25, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanan Niu, Dacheng Zhang
  • Publication number: 20210006556
    Abstract: A forwarding method is applied to a constrained node and includes: receiving authentication information; determining whether the authentication information is received for the first time; and if the authentication information is received not for the first time, forwarding the authentication information; or if the authentication information is received for the first time, determining whether the authentication information is valid authentication information, and if the authentication information is not valid authentication information, discarding the authentication information, or if the authentication information is valid authentication information, verifying the valid authentication information, and forwarding the valid authentication information after the verification succeeds.
    Type: Application
    Filed: September 24, 2020
    Publication date: January 7, 2021
    Inventors: Danping He, Dacheng Zhang
  • Patent number: 10880297
    Abstract: Embodiments of the present application disclose a forwarding method, a forwarding apparatus, and a forwarder for authentication information in the Internet of Things. The method is applied to a constrained node and includes: receiving authentication information; determining whether the authentication information is received for the first time; and if the authentication information is received not for the first time, forwarding the authentication information; or if the authentication information is received for the first time, determining whether the authentication information is valid authentication information, and if the authentication information is not valid authentication information, discarding the authentication information, or if the authentication information is valid authentication information, verifying the valid authentication information, and forwarding the valid authentication information after the verification succeeds.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: December 29, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Danping He, Dacheng Zhang
  • Patent number: 10867544
    Abstract: A pixel structure includes at least three sub-pixels and there is a gap between two adjacent sub-pixels. The gap includes at least a first gap and a second gap, where the first gap extends along a linear trajectory and the second gap extends along a curved trajectory. The wire includes at least a first wire and a second wire, wherein the first wire passes through the first gap along the linear trajectory and is spaced apart from the sub-pixels on both sides of the first gap, and the second wire passes through the second gap along the curved trajectory and is spaced apart from the sub-pixels on both sides of the second gap. The second wire has a line width larger than a line width of the first wire.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: December 15, 2020
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qinghe Wang, Xueguang Hao, Dacheng Zhang, Yongda Ma, Dongfang Wang, Liangchen Yan
  • Publication number: 20200374696
    Abstract: A device identifier (ID) obtaining method, a terminal, and a network device, where the method includes sending, by a terminal to a network device, a first message used to obtain a device ID, where the device ID is used to globally identify the terminal uniquely, receiving, by the terminal, an encrypted key pair sent by the network device, where the key pair includes a first public key and a first private key, receiving, by the terminal, information sent by the network device, where the information is used to identify that the first public key is the device ID of the terminal, and determining, by the terminal, that the first public key is the device ID.
    Type: Application
    Filed: August 11, 2020
    Publication date: November 26, 2020
    Inventors: Chong Zhou, Tianfu Fu, Dacheng Zhang, Jianxiong Wei
  • Patent number: 10747016
    Abstract: A 3D display device comprises first and second substrates disposed opposite one another; a liquid crystal layer; a color filter layer between the first substrate and the liquid crystal layer, a plurality of pixel regions arranged in an array being formed on the color filter layer, and each of the plurality of pixel regions comprising first and second sub-pixels; and a first polarizer on a side of the first substrate, the first polarizer comprising a plurality of wire grid polarizers arranged in an array, two adjacent ones of the plurality of wire grid polarizers comprising a plurality of columns of first sub-wire grid polarizers and second sub-wire grid polarizers which are alternately arranged with each other. An orthographic projection of each column of the first and second sub-wire grid polarizers on the pixel regions is overlapped with at least one column of first sub-pixels and second sub-pixels, respectively.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: August 18, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunmiao Zhou, Dacheng Zhang
  • Patent number: 10747083
    Abstract: A liquid crystal lens, a lens assembly, an optical apparatus, and a display device are provided. The liquid crystal lens includes a first transparent substrate; a second transparent substrate, provided opposite to the first transparent substrate; a liquid crystal layer, provided between the first and second transparent substrates; and at least one first electrode and at least one second electrode, both of which being provided at a side of one of the first and second transparent substrates proximal to the liquid crystal layer. The at least one first electrode and the at least one second electrode are alternately arranged to be insulated from each other and have an interval therebetween.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: August 18, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaochen Niu, Xue Dong, Xiaochuan Chen, Wenqing Zhao, Dacheng Zhang
  • Publication number: 20200211477
    Abstract: A display substrate and a driving method thereof are provided. The display substrate includes a base substrate containing a monocrystalline silicon layer, a thickness of the monocrystalline silicon layer being less than that of the base substrate; an array circuit layer, disposed on the base substrate and including a plurality of transistors, each of which has an active layer inside the monocrystalline silicon layer; and a plurality of light-emitting elements, located at a side of the array circuit layer away from the base substrate. The array circuit layer includes a scan driving circuit, a data driving circuit and a plurality of pixel sub-circuits, and the plurality of pixel sub-circuits are connected to the plurality of light-emitting elements, respectively, to form a plurality of sub-pixels.
    Type: Application
    Filed: March 10, 2020
    Publication date: July 2, 2020
    Applicants: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weilin LAI, Yucheng CHAN, Jianbang HUANG, Dachao LI, Shengji YANG, Pengcheng LU, Kuanta HUANG, Xiaochuan CHEN, Xue DONG, Hui WANG, Yanming WANG, Chen XU, Dacheng ZHANG, Yongfa DONG, Qing WANG, Hui TONG, Yunlong LI
  • Publication number: 20200184874
    Abstract: A pixel structure includes at least three sub-pixels and there is a gap between two adjacent sub-pixels. The gap includes at least a first gap and a second gap, where the first gap extends along a linear trajectory and the second gap extends along a curved trajectory. The wire includes at least a first wire and a second wire, wherein the first wire passes through the first gap along the linear trajectory and is spaced apart from the sub-pixels on both sides of the first gap, and the second wire passes through the second gap along the curved trajectory and is spaced apart from the sub-pixels on both sides of the second gap. The second wire has a line width larger than a line width of the first wire.
    Type: Application
    Filed: April 30, 2019
    Publication date: June 11, 2020
    Inventors: Qinghe WANG, Xueguang HAO, Dacheng ZHANG, Yongda MA, Dongfang WANG, Liangchen YAN
  • Patent number: 10678089
    Abstract: A liquid crystal lens, a manufacturing method thereof, and a display device are disclosed. The liquid crystal lens includes a liquid layer located between a first substrate and a second substrate, the liquid layer includes a liquid crystal layer and a filler layer, the filler layer is filled in a square between the first substrate and the second substrate except the liquid crystal layer; the liquid crystal layer is made of a material different from the filler layer.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: June 9, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhongxiao Li, Wenqing Zhao, Ming Yang, Qian Wang, Haiyan Wang, Xiaochen Niu, Can Wang, Dacheng Zhang
  • Patent number: 10564510
    Abstract: The present invention is related to a liquid crystal lens. The liquid crystal lens may comprise a plurality a liquid crystal lens units. At least one of the plurality of liquid crystal lens units may comprise a first substrate, a second substrate opposite the first substrate, a liquid crystal layer between the first substrate and the second substrate, and a scattering member on the first substrate at an edge of the liquid crystal lens unit. The scattering member may be configured to scatter crosstalk light at the edge of the liquid crystal lens unit.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: February 18, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhongxiao Li, Xiaochuan Chen, Wenqing Zhao, Qian Wang, Ming Yang, Xiaochen Niu, Haiyan Wang, Dacheng Zhang
  • Patent number: 10530633
    Abstract: Link detection method, apparatus, network device and controller are provided. The method includes sequentially sending a detection message from a starting network device to each network device up to an ending network device on a detected link, the detection message including a source IP address and a destination IP address on the detected link, and an identifier of the detection message; receiving link status information reported by a network device on the detected link, the link status information including the source IP address, the destination IP address, a device IP address of the network device, and the identifier; and performing a matching between the detection message and the detected link based on the source IP address, the destination IP address and the identifier included in the link status information, and locating a network position of the network device on the detected link based on the device IP address.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: January 7, 2020
    Assignee: Alibaba Group Holding Limited
    Inventors: Hongliang Xiao, Dacheng Zhang