Patents by Inventor Guocai ZHANG

Guocai 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).

  • Patent number: 12275709
    Abstract: The present invention relates to a process for the preparation of a compound (I) or pharmaceutically acceptable salt thereof, which is useful as the key intermediate for the synthesis of compounds for prophylaxis and treatment of a disease associated with the deposition of ?-amyloid in the brain, in particular Alzheimer's disease, and other diseases such as cerebral amyloid angiopathy, hereditary cerebral hemorrhage with amyloidosis, Dutch-type (HCHWA-D), multi-infarct dementia, dementia pugilistica and Down syndrome.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: April 15, 2025
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Weichun Chen, Guocai Zhang
  • Patent number: 12199227
    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: Grant
    Filed: April 10, 2020
    Date of Patent: January 14, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhanfeng Cao, Ke Wang, Jianguo Wang, Guocai Zhang, Guangcai Yuan, Xue Dong
  • Patent number: 12121873
    Abstract: The present disclosure provides a gas-solid separation structure including: a feeding pipeline including a first feeding part, a second feeding part and a first valve disposed between the first and second feeding parts; a discharge pipeline having a first opening and a second opening opposite to each other, the second feeding part extending into the discharge pipeline via the first opening; wherein an exhaust channel is formed between the second feeding part and the discharge pipeline, exhaust holes are formed in a portion of the discharge pipeline opposite to the second feeding part, and the exhaust channel is in communication with the exhaust holes. The present disclosure further provides a feeding device and an electrochemical deposition apparatus. The present disclosure can improve the problem of interference with medicine powder release caused by gases entering the discharge pipeline.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: October 22, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shaodong Sun, Junwei Yan, Guangcai Yuan, Guocai Zhang, Shihao Dong, Lilei Zhang, Haoran Gao, Wenyue Fu, Chengfei Wang, Xiaojie Pan
  • 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: 12024787
    Abstract: The present disclosure relates to a filling device and apparatus, an electrochemical deposition system, and a filling method. The filling device includes: a feeding structure including a first feed port and a first discharge port; a container including a second feed port and a second discharge port; a weighing means disposed on the container; a conveying structure disposed between the first discharge port and the second feed port, the second feed port being in communication with the first discharge port via the conveying structure, and the conveying structure being configured to convey a material output from the first discharge port to the second feed port; and a control structure connected to the weighing means and the conveying structure, respectively, and configured to control a conveying speed of the conveying structure according to the weight detected by the weighing means.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: July 2, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guocai Zhang, Junwei Yan, Shihao Dong, Shaodong Sun, Chengfei Wang
  • 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
  • Patent number: 11894394
    Abstract: An array substrate, a method for preparing the array substrate, and a backlight module are disclosed. Before electroplating a first metal layer on a pattern of a seed layer, the method further includes: forming a pattern of a compensation electrode wire electrically connected with a lead electrode on a side, where the lead electrode is formed, of a base substrate. The compensation electrode wire is at least on a second side of a wiring region, the pattern of the lead electrode is formed at a first side of the wiring region, and the first side and the second side are different sides. In the electroplating process, the lead electrode is connected with a negative pole of a power supply, the compensation electrode wire is electrically connected with the lead electrode, thus an area of an electroplating negative pole generating electric field lines is increased by utilizing the compensation electrode wire.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: February 6, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Zhanfeng Cao, Yingwei Liu, Ke Wang, Guocai Zhang, Jianguo Wang, Zhiwei Liang, Haixu Li, Muxin Di
  • Publication number: 20240025911
    Abstract: The present invention relates to a process for the preparation of a compound (I), (I); or pharmaceutically acceptable salt thereof, which is useful as the key intermediate for the synthesis of compounds for prophylaxis and treatment of a disease associated with the deposition of ?-amyloid in the brain, in particular Alzheimer's disease, and other diseases such as cerebral amyloid angiopathy, hereditary cerebral hemorrhage with amyloidosis, Dutch-type (HCHWA-D), multi-infarct dementia, dementia pugilistica and Down syndrome.
    Type: Application
    Filed: December 8, 2021
    Publication date: January 25, 2024
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Guocai ZHANG, Weichun CHEN
  • Publication number: 20240018143
    Abstract: The present invention relates to a process for the preparation of a compound (I), and its solid form, which is a modulator of ?-secretase and may be useful for prophylaxis and treatment of a disease associated with the deposition of ?-amyloid in the brain, in particular Alzheimer's disease, and other diseases such as cerebral amyloid angiopathy, hereditary cerebral hemorrhage with amyloidosis, Dutch-type (HCHWA-D), multi-infarct dementia, dementia pugilistica and Down syndrome.
    Type: Application
    Filed: June 8, 2023
    Publication date: January 18, 2024
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Weichun Chen, Guocai Zhang
  • Publication number: 20230242553
    Abstract: The present invention relates to a process for synthesizing a compound of formula (I), wherein R1 is hydrogen or halogen; R2 is hydrogen, halogen or cyano; n is 0-7, particularly n is 2-3, more particularly n is 2; or diastereomer, pharmaceutically acceptable salts thereof, which is useful for prophylaxis and treatment of a disease caused by bacteria infection.
    Type: Application
    Filed: April 12, 2023
    Publication date: August 3, 2023
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Weichun CHEN, Xing LIANG, Guocai ZHANG
  • Patent number: 11707834
    Abstract: The present application relates to a substrate transfer device, comprising a horizontally arranged cross beam, and support beams longitudinally arranged at two ends of the cross beam, wherein a substrate carrier is suspended on the cross beam, the substrate carrier is located between the two support beams, and the substrate carrier is parallel to a plane where the two support beams are located, the substrate carrier comprises two side walls oppositely arranged in a horizontal direction, and each of the support beams is provided with an auxiliary clamping structure for clamping the substrate carrier during transferring of the substrate carrier.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: July 25, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Chengfei Wang, Junwei Yan, Guangcai Yuan, Shaodong Sun, Guocai Zhang, Shihao Dong, Pengcheng Dong
  • Patent number: 11686010
    Abstract: The present disclosure provides a carrier liquid leakage preventing device and an electrochemical deposition apparatus. The carrier liquid leakage preventing device is used for containing liquid medicine dripping from a carrier; the carrier liquid leakage preventing device comprises: a guide rail disposed along a first direction, the first direction is a vertical direction perpendicular to the horizontal plane or a direction at an angle to the horizontal plane; a leakage preventing groove provided on the guide rail and capable of performing a lifting movement along the guide rail so as to move above or below the carrier; and a driver for driving the lifting movement of the leakage preventing groove.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: June 27, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Chengfei Wang, Junwei Yan, Guangcai Yuan, Shaodong Sun, Guocai Zhang, Shihao Dong, Pengcheng Dong
  • Publication number: 20230048657
    Abstract: The present invention relates to a process for synthesizing large scale a compound of formula (I), or pharmacuetically acceptable salt thereof, which is useful as the key intermediate for the synthesis of compounds for prophylaxis and treatment of a disease associated with the deposition of ?-amyloid in the brain, in particular Alzheimer's disease, and other diseases such as cerebral amyloid angiopathy, hereditary cerebral hemorrhage with amyloidosis, Dutch-type (HCHWA-D), multi-infarct dementia, dementia pugilistica and Down syndrome.
    Type: Application
    Filed: November 27, 2020
    Publication date: February 16, 2023
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Weichun CHEN, Christian JENNY, Hasane RATNI, Guocai ZHANG, Fugui ZHANG
  • 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: 20220310660
    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: Application
    Filed: September 18, 2020
    Publication date: September 29, 2022
    Inventors: Zhanfeng CAO, Ke WANG, Zhiwei LIANG, Jianguo WANG, Guocai ZHANG, Xinhong LU, Qi QI
  • Publication number: 20220302177
    Abstract: A substrate includes: a base substrate; an organic layer on the base substrate with openings defined through the organic layer; a first metal layer including first metal patterns, where the first metal pattern is in the opening, and includes a first portion parallel to a bottom of the opening and a second portion parallel to a lateral wall of the opening; a second metal layer having a thickness greater than a thickness of the first metal layer; where the second metal layer includes second metal patterns, the second metal pattern is located in the opening and is in contact with the first metal layer; and, a distance from a surface of the first metal layer away from the base substrate to a plane where the base substrate is located is smaller than a distance from a surface of the organic layer away from the base substrate to the plane.
    Type: Application
    Filed: December 14, 2021
    Publication date: September 22, 2022
    Inventors: Yingwei LIU, Zhanfeng CAO, Ke WANG, Guocai ZHANG, Junwei YAN
  • Publication number: 20220290321
    Abstract: The present disclosure relates to a filling device and apparatus, an electrochemical deposition system, and a filling method. The filling device includes: a feeding structure including a first feed port and a first discharge port; a container including a second feed port and a second discharge port; a weighing means disposed on the container; a conveying structure disposed between the first discharge port and the second feed port, the second feed port being in communication with the first discharge port via the conveying structure, and the conveying structure being configured to convey a material output from the first discharge port to the second feed port; and a control structure connected to the weighing means and the conveying structure, respectively, and configured to control a conveying speed of the conveying structure according to the weight detected by the weighing means.
    Type: Application
    Filed: October 29, 2021
    Publication date: September 15, 2022
    Inventors: Guocai ZHANG, Junwei YAN, Shihao DONG, Shaodong SUN, Chengfei WANG
  • Publication number: 20220236005
    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: Application
    Filed: September 14, 2021
    Publication date: July 28, 2022
    Inventors: Guocai ZHANG, Junwei YAN, Shaodong SUN, Shihao DONG, Yingwei LIU, Zhanfeng CAO, Guangcai YUAN
  • Publication number: 20220168888
    Abstract: The present application relates to a substrate transfer device, comprising a horizontally arranged cross beam, and support beams longitudinally arranged at two ends of the cross beam, wherein a substrate carrier is suspended on the cross beam, the substrate carrier is located between the two support beams, and the substrate carrier is parallel to a plane where the two support beams are located, the substrate carrier comprises two side walls oppositely arranged in a horizontal direction, and each of the support beams is provided with an auxiliary clamping structure for clamping the substrate carrier during transferring of the substrate carrier.
    Type: Application
    Filed: November 1, 2021
    Publication date: June 2, 2022
    Inventors: Chengfei WANG, Junwei YAN, Guangcai YUAN, Shaodong SUN, Guocai ZHANG, Shihao DONG, Pengcheng DONG
  • Publication number: 20220170174
    Abstract: The present disclosure provides a carrier liquid leakage preventing device and an electrochemical deposition apparatus. The carrier liquid leakage preventing device is used for containing liquid medicine dripping from a carrier; the carrier liquid leakage preventing device comprises: a guide rail disposed along a first direction, the first direction is a vertical direction perpendicular to the horizontal plane or a direction at an angle to the horizontal plane; a leakage preventing groove provided on the guide rail and capable of performing a lifting movement along the guide rail so as to move above or below the carrier; and a driver for driving the lifting movement of the leakage preventing groove.
    Type: Application
    Filed: November 1, 2021
    Publication date: June 2, 2022
    Inventors: Chengfei WANG, Junwei YAN, Guangcai YUAN, Shaodong SUN, Guocai ZHANG, Shihao DONG, Pengcheng DONG