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: 20220384553
    Abstract: A display substrate and a manufacturing method and a display device are provided. The display substrate includes: a first electrode pattern, a connecting electrode pattern, a second electrode, a light-emitting functional layer and a first dummy electrode pattern. The first electrode pattern includes a plurality of first electrodes spaced apart from each other. The second electrode is connected with the connecting electrode pattern, the second electrode and the first electrode pattern are spaced apart from each other. The first dummy electrode pattern includes a plurality of first dummy electrodes; the connecting electrode pattern surrounds the first electrode pattern, the first dummy electrode pattern is located between the connecting electrode pattern and the first electrode pattern, and at least two of the plurality of first dummy electrodes are each of a block shape and are spaced apart from each other.
    Type: Application
    Filed: August 27, 2019
    Publication date: December 1, 2022
    Inventors: Yunlong LI, Pengcheng LU, Li LIU, Yu AO, Yuanlan TIAN, Zhijian ZHU, Dacheng ZHANG
  • Publication number: 20220384554
    Abstract: A display substrate and a manufacturing method and a display device are provided. The display substrate includes: a base substrate, a first insulation layer, a first electrode pattern, a connecting electrode pattern, a second electrode, a light-emitting functional layer, and a first filling layer. The second electrode is connected with the connecting electrode pattern, the second electrode and the first electrode pattern are spaced apart from each other. The light-emitting functional layer is located between the first electrode pattern and the second electrode. The first filling layer is located between the connecting electrode pattern and the first electrode pattern. The first filling layer and the light-emitting functional layer are different layers; a portion of the first insulation layer that is located between the first electrode pattern and the connecting electrode pattern has a groove, and the first filling layer is at least partially located in the groove.
    Type: Application
    Filed: August 27, 2019
    Publication date: December 1, 2022
    Inventors: Yunlong LI, Pengcheng LU, Kui ZHANG, Li LIU, Kuanta HUANG, Shengji YANG, Xiaochuan CHEN, Dacheng ZHANG
  • Publication number: 20220374986
    Abstract: An apparatus for contract transactions, comprising: a contract object manager, managing a contract exchange rate Ph of a first asset A to a second asset B; a margin determiner, configured to allow a user to select one of assets thereof as a transaction margin; a transaction engine, configured to execute a transaction after receiving a transaction order from the user to the Ph; a position holding adjustment processor, configured to enable the amount of A, converted into by contract position holdings of the user, to be negatively correlated with the Ph, and the amount of B, converted into by the contract position holdings of the user, to be positively correlated with the Ph according to changes of the Ph; a transaction data memory, configured to store basic information of the user;and a liquidation processor, configured to initiate a liquidation to the user at a preset price.
    Type: Application
    Filed: July 22, 2022
    Publication date: November 24, 2022
    Inventor: Dacheng ZHANG
  • Publication number: 20220359623
    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 first transistor, a second 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: July 20, 2022
    Publication date: November 10, 2022
    Inventors: Zhongyuan WU, Yongqian LI, Can YUAN, Zhidong YUAN, Meng LI, Dacheng ZHANG, Lang LIU
  • Patent number: 11482582
    Abstract: The present disclosure provides a display panel and an electronic device. The display panel includes: a base substrate; and a pixel arranged on the base substrate, wherein the pixel includes a first sub-pixel including a first sub-pixel drive circuit and a first light emitting element and a second sub-pixel including a second sub-pixel drive circuit and a second light emitting element, the first and second sub-pixel drive circuits are arranged sequentially in a first direction and extend in a second direction, wherein the first light emitting element includes a first anode, the second light emitting element includes a second anode, an orthographic projection of each of the first and the second anodes partially covers an orthographic projections of the first and second sub-pixel drive circuits, and the orthographic projection of the first anode does not overlap the orthographic projection of the second anode.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: October 25, 2022
    Assignees: Hefei BOE Joint Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Meng Li, Zhongyuan Wu, Yongqian Li, Dacheng Zhang, Jingquan Wang, Yu Wang, Chen Xu
  • Publication number: 20220336556
    Abstract: A display substrate, comprising: a plurality of first electrodes having a planar middle part which are located on a planarization layer of a driving backplane, a spacing groove exposing a planar surface of the planarization layer being provided between two adjacent first electrodes; an electric leakage blocking layer located on a first electrode layer and located between two adjacent first electrodes, the electric leakage blocking layer being provided with a blocking groove corresponding to the spacing groove and exposing the planar surface of the planarization layer, and the electric leakage blocking layer being overlapped on the surface of the middle part on at least one side; and a light-emitting functional layer located at the side of the electric leakage blocking layer and the first electrode layer away from the driving backplane.
    Type: Application
    Filed: May 14, 2021
    Publication date: October 20, 2022
    Inventors: Qing WANG, Kuanta HUANG, Xiaochuan CHEN, Dacheng ZHANG
  • Publication number: 20220336503
    Abstract: An electronic device substrate, a manufacturing method thereof, and an electronic device are provided. The electronic device substrate includes a base substrate, a first insulating layer, and light-emitting sub-units, a first conductive member and a second conductive member, which are on a side of the first insulating layer away from the base substrate. The light-emitting sub-units and the first conductive member are respectively in array region and periphery region, and the second conductive member is between the first conductive member and the array region; orthogonal projections of the first and second conductive members on the base substrate are spaced apart; each light-emitting sub-unit includes first and second driving electrodes, second driving electrodes of the light-emitting sub-units are integrated to form a first common electrode layer; the periphery region further includes a second common electrode layer electrically connected to the first conductive member and the first common electrode layer.
    Type: Application
    Filed: June 23, 2022
    Publication date: October 20, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Kui Zhang, Pengcheng Lu, Li Liu, Yunlong Li, Dacheng Zhang
  • Patent number: 11476310
    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: Grant
    Filed: November 29, 2019
    Date of Patent: October 18, 2022
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Zhongyuan Wu, Yongqian Li, Can Yuan, Meng Li, Zhidong Yuan, Dacheng Zhang, Lang Liu
  • Patent number: 11469290
    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: Grant
    Filed: November 29, 2019
    Date of Patent: October 11, 2022
    Assignees: Hefei BOE Joint Technology Co., Ltd., Beijing BOE Technologv Development Co., Ltd.
    Inventors: Zhongyuan Wu, Yongqian Li, Can Yuan, Meng Li, Zhidong Yuan, Xuehuan Feng, Lang Liu, Dacheng Zhang
  • Publication number: 20220302244
    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. The sub-pixels are arranged in a sub-pixel array in a first direction and a second direction, the first direction intersecting with the second direction. The display substrate further includes data lines extended in the first direction, and the data lines are connected in one-to-one correspondence with the sub-pixels in columns in each row of sub-pixels, so as to provide data signals respectively; the display substrate further includes auxiliary electrode lines extended in the first direction which are configured to be electrically connected with a second electrode of the light emitting element to provide a second power voltage; each of the auxiliary electrode lines is spaced from any one of the plurality of data lines by at least one column of sub-pixels.
    Type: Application
    Filed: November 29, 2019
    Publication date: September 22, 2022
    Inventors: Can YUAN, Yongqian LI, Meng LI, Zhidong YUAN, Dacheng ZHANG, Lang LIU
  • Publication number: 20220302418
    Abstract: A display substrate includes a substrate and a light-emitting device layer which includes a first electrode layer, a light-emitting functional layer, and a second electrode layer that are sequentially stacked in a direction away from the substrate. The first electrode layer includes a reflective layer, an insulating layer, and a transparent conductive layer that are sequentially stacked in the direction away from the substrate. In a red sub-pixel region, a thickness of a first portion of the insulating layer is within a range of about 1000 ? to about 2500 ?. In a green sub-pixel region, a thickness of a second portion of the insulating layer is within a range of about 500 ? to about 2000 ?. In a blue sub-pixel region, a thickness of a third portion of the insulating layer is within a range of about 1500 ? to about 3000 ?.
    Type: Application
    Filed: January 8, 2021
    Publication date: September 22, 2022
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li LIU, Pengcheng LU, Kui ZHANG, Yunlong LI, Shengji YANG, Kuanta HUANG, Xiaochuan CHEN, Dacheng ZHANG
  • Patent number: 11451531
    Abstract: A certificate obtaining method, an authentication method, and a network device, where a certificate is used for permission authentication when an application APP accesses an application programming interface (API) of a controller. The certificate includes one or more of: (a) information about operation permission of the APP on N application programming interfaces APIs of the controller, (b) identifiers of L APIs that are of the N APIs and that the APP has permission to operate, or (c) identifiers of R APIs that are of the N APIs and that the APP does not have permission to operate.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: September 20, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Dacheng Zhang, Tianfu Fu, Chong Zhou
  • Publication number: 20220293031
    Abstract: A display panel is provided. The display panel includes a driving back plate and a pixel layer disposed on a side of the driving back plate. The pixel layer includes a plurality of pixels, and the pixel includes m color sub-pixels for emitting color light and k white sub-pixels for emitting white light, wherein m and k are both integers greater than 1. The k white sub-pixels are configured to adjust the luminance of the pixel.
    Type: Application
    Filed: March 1, 2022
    Publication date: September 15, 2022
    Inventors: Qian Wu, Pengcheng Lu, Zhijian Zhu, Chenyu Chen, Yunlong Li, Dongsheng Li, Wei Liu, Longfei Fan, Rongfei Chen, Dacheng Zhang, Yuanlan Tian
  • Patent number: 11444132
    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: Grant
    Filed: November 29, 2019
    Date of Patent: September 13, 2022
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Zhongyuan Wu, Yongqian Li, Can Yuan, Zhidong Yuan, Meng Li, Dacheng Zhang, Lang Liu
  • Publication number: 20220285476
    Abstract: Provided in the present disclosure are a display substrate and a preparation method therefor, and a display apparatus. The display substrate comprises a plurality of display units, each display unit comprising a display area and a transparent area, and the display area comprising a plurality of sub-pixels; each sub-pixel comprises a second metal layer and a third metal layer, the second metal layer comprising a first scanning line and a second scanning line defining a display row, the third metal layer comprising a first power source line, a second power source line, a compensation line, and a data line defining the plurality of sub-pixels; the first power source line, the second power source line, the compensation line, and the data line all comprise a vertical linear section and a horizontal polyline section.
    Type: Application
    Filed: April 12, 2021
    Publication date: September 8, 2022
    Inventors: Yongqian LI, Zhenhua QIU, Ying WANG, Meng LI, Dongxu HAN, Dacheng ZHANG, Shi SUN
  • Publication number: 20220262890
    Abstract: A display substrate includes: a base; a cathode power line disposed on the base and located in the peripheral region; a first insulating layer located on a side of a layer in which the cathode power line is located away from the base and having first via hole(s); a cathode layer located on the first insulating layer and electrically connected to the cathode power line through the first via hole(s); and spacer(s) located on a side of the cathode layer proximate to the base, a spacer covering at least a side wall of a first via hole, a thickness of a portion of the spacer covering the side wall decreasing along the side wall and in a direction pointing from an end of the side wall proximate to the base toward an end of the side wall of the first via hole away from the base.
    Type: Application
    Filed: February 9, 2021
    Publication date: August 18, 2022
    Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Leilei CHENG, Yongqian LI, Dacheng ZHANG
  • Patent number: 11404451
    Abstract: An electronic device substrate, a manufacturing method thereof, and an electronic device are provided. The electronic device substrate includes a base substrate, a first insulating layer, and light-emitting sub-units, a first conductive member and a second conductive member, which are on a side of the first insulating layer away from the base substrate. The light-emitting sub-units and the first conductive member are respectively in array region and periphery region, and the second conductive member is between the first conductive member and the array region; orthogonal projections of the first and second conductive members on the base substrate are spaced apart; each light-emitting sub-unit includes first and second driving electrodes, second driving electrodes of the light-emitting sub-units are integrated to form a first common electrode layer; the periphery region further includes a second common electrode layer electrically connected to the first conductive member and the first common electrode layer.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: August 2, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Kui Zhang, Pengcheng Lu, Li Liu, Yunlong Li, Dacheng Zhang
  • Publication number: 20220216447
    Abstract: A display substrate is provided, including a base and a first electrode layer. The first electrode layer includes a transparent conductive layer and a reflective layer. The transparent conductive layer includes transparent conductive units that are spaced apart, a transparent conductive unit includes a flat surface and sides on peripheries, and an included angle between the flat surface and a side is an obtuse angle. The reflective layer is located on a side of the transparent conductive layer proximate to the base. The reflective layer includes reflective units that are spaced apart; the reflective units and the transparent conductive units are in one-to-one correspondence, and a reflective unit and a corresponding transparent conductive unit are electrically connected; and an orthographic projection of the reflective unit on the base is within a range of an orthographic projection of a flat surface of the corresponding transparent conductive unit on the base.
    Type: Application
    Filed: November 23, 2020
    Publication date: July 7, 2022
    Inventors: Li LIU, Pengcheng LU, Kui ZHANG, Yunlong LI, Shengji YANG, Kuanta HUANG, Xiaochuan CHEN, Yuanlan TIAN, Dacheng ZHANG
  • Publication number: 20220208948
    Abstract: A display substrate has a display area including a plurality of sub-display areas. The display substrate includes a base, a plurality of columns of pixels, a plurality of first and second power lines disposed on the base. At least two columns of pixels are disposed in each sub-display area, and each column of pixels includes at least three columns of sub-pixels. At least one first power line is disposed in each sub-display area and configured to provide a first power signal to all sub-pixels in a sub-display area. The second power lines are configured to provide second power signals to all sub-pixels. A plurality of columns of sub-pixels are disposed between any two adjacent power lines, to and any first and second power lines are each arranged between two adjacent columns of sub-pixels emitting light of a first color and sub-pixels emitting light of a second color.
    Type: Application
    Filed: November 17, 2020
    Publication date: June 30, 2022
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pan XU, Yongqian LI, Dacheng ZHANG, Lang LIU
  • Publication number: 20220199939
    Abstract: A display panel and a manufacture method thereof, and a display apparatus are provided. The display panel includes an array substrate, an encapsulation cover plate and a plurality of organic layers. The display region includes a plurality of pixels, each pixel includes a plurality of sub-pixels; each sub pixel includes a light-emitting device. The encapsulation cover plate is opposite to the array substrate and includes a first base substrate and a plurality of organic layers on a side of the first base substrate close to the array substrate. The frame sealant is in the non-display region and adheres the array substrate and the encapsulation cover plate; a gap region is between an organic layer of the plurality of the organic layers closest to the frame sealant, the gap region separates the organic layer closest to the frame sealant from the frame sealant; the gap region is in the non-display region.
    Type: Application
    Filed: June 12, 2020
    Publication date: June 23, 2022
    Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xinwei Gao, Dacheng Zhang, Lang Liu, Chen Xu