Patents by Inventor Yongfeng Zhang

Yongfeng 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: 20250107410
    Abstract: Provided is a display module, including a base substrate, a plurality of light-emitting patterns, and a plurality of microlens groups corresponding to the light-emitting patterns. An orthographic projection region of at least one of the light-emitting patterns on the base substrate forms a primary display region. The plurality of microlens groups are disposed on a side, distal from the base substrate, of the plurality of light-emitting patterns. An orthographic projection of the microlens group on the base substrate is within the primary display region formed by the corresponding light-emitting pattern. The microlens group includes at least two microlens structures, and a gap is defined between any adjacent two microlens structures. The light-emitting pattern includes a target region. An orthographic projection of the target region on the base substrate is overlapped with an orthographic projection of the gap on the base substrate. The target region does not emit light.
    Type: Application
    Filed: December 5, 2022
    Publication date: March 27, 2025
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Wenqing XUE, Renquan GU, Wusheng LI, Qi YAO, Huili WU, Shipei LI, Wei HE, Jianjun ZHAO, Yongfeng ZHANG, Chaolu WANG
  • Patent number: 12258278
    Abstract: An organic-inorganic hierarchical ZSM-5, a preparation method thereof, and an application thereof are provided. The preparation method for the organic-inorganic hierarchical ZSM-5 includes the following steps: mixing a silicon source, an aluminum source, NaOH, and water, stirring the mixture until uniformly dispersed, and drying and grinding the mixture to obtain a hierarchical ZSM-5 precursor; mixing the hierarchical ZSM-5 precursor, sodium silicate, seed, ethanol, and water, and uniformly dispersing the mixture to obtain a crystallized solution; mixing the crystallized solution with a hydrolyzed organosilane to obtain a first solution; subjecting the first solution to hydrothermal crystallization at 160-180° C. for 48-72 h to obtain a second product; and washing and drying the second product to obtain the organic-inorganic hierarchical ZSM-5.
    Type: Grant
    Filed: August 28, 2024
    Date of Patent: March 25, 2025
    Assignee: Inner Mongolia University of Technology
    Inventors: Yongfeng Zhang, Zhifei Hao, Xingyuan Liu
  • Publication number: 20250074778
    Abstract: An organic-inorganic hierarchical ZSM-5, a preparation method thereof, and an application thereof are provided. The preparation method for the organic-inorganic hierarchical ZSM-5 includes the following steps: mixing a silicon source, an aluminum source, NaOH, and water, stirring the mixture until uniformly dispersed, and drying and grinding the mixture to obtain a hierarchical ZSM-5 precursor; mixing the hierarchical ZSM-5 precursor, sodium silicate, seed, ethanol, and water, and uniformly dispersing the mixture to obtain a crystallized solution; mixing the crystallized solution with a hydrolyzed organosilane to obtain a first solution; subjecting the first solution to hydrothermal crystallization at 160-180° C. for 48-72 h to obtain a second product; and washing and drying the second product to obtain the organic-inorganic hierarchical ZSM-5.
    Type: Application
    Filed: August 28, 2024
    Publication date: March 6, 2025
    Applicant: Inner Mongolia University of Technology
    Inventors: Yongfeng ZHANG, Zhifei HAO, Xingyuan LIU
  • Publication number: 20250072211
    Abstract: Disclosed are a display substrate and a manufacturing method thereof. The display substrate includes: a base substrate; multiple first electrodes on the base substrate, where each of the multiple first electrodes includes a transparent conductive portion and a reflective conductive portion; a light-emitting function layer on a side of the multiple first electrodes facing away from the base substrate; an insulation layer between a layer where the multiple first electrodes are located and the base substrate; and multiple reflective structures between the insulation layer and the base substrate. Two adjacent first electrodes are correspondingly provided with one of the multiple reflective structures. The one of the multiple reflective structures includes a first portion and a second portion, an orthographic projection of the first portion on the base substrate and an orthographic projection of one of the two adjacent first electrodes on the base substrate have an overlap area.
    Type: Application
    Filed: November 12, 2024
    Publication date: February 27, 2025
    Inventors: Yongfeng ZHANG, Guangcai YUAN, Xue DONG
  • Publication number: 20250017046
    Abstract: A display substrate is provided. The display substrate includes a plurality of functional material layers extending at least partially across multiple subpixels. The plurality of functional material layers include a first portion in an inter-subpixel region, and a second portion in subpixel regions. The first portion includes a doped impurity. The first portion and the second portion include at least one functional material in common. A weight percentage of the doped impurity in the first portion is higher than a weight percentage of the doped impurity in the second portion. The first portion spaces apart adjacent subpixels. The second portion includes a light emitting layer of a respective subpixel.
    Type: Application
    Filed: November 29, 2022
    Publication date: January 9, 2025
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Chaolu Wang, Yongfeng Zhang, Renquan Gu, Feng Guan, Meng Zhao, Yang Lv, Jianhua Du, Hao Wu, Rui Yan, Wenqing Xue
  • Patent number: 12185571
    Abstract: The present disclosure provides a display substrate, a manufacturing method thereof and a three-dimensional display apparatus. The display substrate includes a base substrate with a plurality of sub-pixels. Each of the sub-pixels includes at least two first electrodes, and a light-emitting function layer disposed on a side of the first electrodes facing away from the base substrate. Each first electrode includes: a transparent conductive portion and a reflective conductive portion arranged in stack. In at least one of the sub-pixels, two adjacent first electrodes correspond to one reflective structure, the reflective structure includes a first portion and a second portion, an orthographic projection of the first portion on the base substrate and an orthographic projection of one first electrode have an overlap area, and an orthographic projection of the second portion on the base substrate an orthographic projection of another first electrode have an overlap area.
    Type: Grant
    Filed: May 8, 2021
    Date of Patent: December 31, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yongfeng Zhang, Guangcai Yuan, Xue Dong
  • Publication number: 20240423007
    Abstract: A display substrate and a preparation method thereof, a preparation apparatus and a display apparatus are provided, which relate to the technical field of display. The display substrate includes a plurality of light-emitting areas and non-light-emitting areas surrounding respective light-emitting areas. The display substrate includes: a base substrate; a light-emitting functional layer disposed at a side of the base substrate, the light-emitting functional layer including a light-emitting material located in the plurality of light-emitting areas and the non-light-emitting areas. The light-emitting material in the non-light-emitting areas is doped with destructive ions, and the destructive ions are configured for destroying luminescent characteristics of the light-emitting material in the non-light-emitting area.
    Type: Application
    Filed: July 11, 2022
    Publication date: December 19, 2024
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Feng Guan, Yongfeng Zhang, Chaolu Wang, Meng Zhao
  • Publication number: 20240299294
    Abstract: A method for delivering a medication for treatment of a pulmonary disease depending on location(s) of infection lesion(s) within a respiratory tract of a patient is disclosed. The method includes administering metered doses of the medication to the patient having the pulmonary disease by a metered dose inhaler (MDI) actuator having a function of controlling drug particle delivery characteristics. The medication is effective for treating the pulmonary disease. A therapeutically effective amount of medication for treating the pulmonary disease is administered by various metered doses of the medication. The medication includes an active pharmaceutical ingredient (API) associated with treatment of a pulmonary disease. The medication includes a propellant, a co-solvent, and a surfactant. The API is dissolved in the propellant at a pre-determined ratio, with or without a co-solvent. The medication is administered via metered-dose inhalation.
    Type: Application
    Filed: February 28, 2023
    Publication date: September 12, 2024
    Inventors: Jack Yongfeng ZHANG, Mary Zi-ping LUO, Ying WANG, Yi XIA, Jie Fei DING, Selina SU, Qingxia HAN
  • Publication number: 20240277632
    Abstract: The present disclosure introduces pharmaceutical formulations having epinephrine as the active pharmaceutical ingredient (API), and a bile acid, or salt thereof (e.g., sodium taurocholate (STC)) as an absorption enhancer, for intranasal (IN) delivery. The bile acid, or the salt thereof, enhances absorption of epinephrine by IN delivery. Also disclosed are methods of administering epinephrine to a patient by IN delivery using the disclosed epinephrine formulations for various treatments or indications.
    Type: Application
    Filed: May 3, 2021
    Publication date: August 22, 2024
    Inventors: Jack Yongfeng Zhang, Mary Zi-ping Luo, Jie Fei Ding, Aili Bo
  • Publication number: 20240196665
    Abstract: Disclosed are a display panel and a displaying device. The display panel includes a plurality of first-color subpixels, and each first-color subpixel includes a base, the base including a first driving electrode and a second driving electrode; at least one first electrode, disposed at a side of the base and is connected to the first driving electrode; at least one second electrode, disposed at a same side of the base with the first electrode and is connected to the second driving electrode; an intermediate layer, disposed between the first electrode and the second electrode; wherein the first electrode and the second electrode divide the first-color subpixel into a plurality of secondary pixels, the first electrode and the second electrode are insulated with each other via the intermediate layer, and are respectively connected to the first driving electrode and the second driving electrode, and control the secondary pixels independently.
    Type: Application
    Filed: February 22, 2024
    Publication date: June 13, 2024
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Yongfeng Zhang, Xue Dong, Zhiqiang Jiao, Lei Zhao, Jiushi Wang
  • Patent number: 11943973
    Abstract: Disclosed are a preparation method of a display panel, a display panel and a displaying device. The display panel comprises a plurality of first-color subpixels, and each first-color subpixel comprises a base, the base comprising a first driving electrode and a second driving electrode; a flat layer disposed on the side, near the first driving electrode and the second driving electrode, of the base; a patterned passivation layer and at least one first electrode disposed on the side, away from the base, of the flat layer, the first electrode being connected with the first driving electrode through via holes penetrating the flat layer; and at least one second electrode disposed on the side, away from the base, of the passivation layer, the second electrode being connected with the second driving electrode through via holes penetrating the passivation layer and the flat layer.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: March 26, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yongfeng Zhang, Xue Dong, Zhiqiang Jiao, Lei Zhao, Jiushi Wang
  • Publication number: 20230369539
    Abstract: Provided are a display panel and a manufacturing method therefor, and a display device. The display panel, including: a base substrate; and a plurality of sub-pixels, located on the base substrate, including a pixel circuit and a light-emitting element, wherein the light-emitting element is connected to the pixel circuit, the pixel circuit is configured to drive the light-emitting element; the light-emitting element includes: a first electrode; and a second electrode, electrically connected to the first electrode, the first electrode is closer to the base substrate than the second electrode.
    Type: Application
    Filed: March 11, 2022
    Publication date: November 16, 2023
    Applicants: BOE Technology Group Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yongfeng Zhang, Guangcai Yuan, Xue Dong
  • Publication number: 20230271770
    Abstract: The present disclosure generally pertains to a medical device and more particularly, a metered-dose inhaler (“MDI”) actuator capable of a targeted delivery of fine API particles having particle diameters of about 1.1 ?m or less to a portion of a patient's lungs where alveoli are located.
    Type: Application
    Filed: April 21, 2021
    Publication date: August 31, 2023
    Inventors: Jack Yongfeng Zhang, Mary Zi-ping Luo, Ying Wang, Yi Xia, Jie Fei Ding, Selina Su, Qingxia Han
  • Publication number: 20230256099
    Abstract: The present disclosure introduces safe and effective pharmaceutical formulations for intranasal delivery. Specifically, the present disclosure introduces the safe clinical use of bile acids or salts thereof as an enhancer to exhibit improved bioavailability and tissue tolerance. In several embodiments, pharmaceutical formulations including bile acids or salts thereof are provided. In several embodiments, the formulations are suitable and/or configured for the intranasal (IN) delivery, methods of manufacturing such formulations, and methods of treating patients using such formulations. The pharmaceutical formulations comprising bile acids, salts of bile acids, and/or combinations thereof. In several embodiments, bile acids, salts of bile acids, and/or combinations thereof are configured for use as absorption enhancers.
    Type: Application
    Filed: May 3, 2021
    Publication date: August 17, 2023
    Inventors: Jack Yongfeng Zhang, Mary Zi-ping Lou, Jie Fei Ding, Aili Bo
  • Patent number: 11726049
    Abstract: The present disclosure introduces methods for characterizing iron core carbohydrate colloid drug products, such as iron sucrose drug products. Disclosed methods enable the characterization of the iron core size of the iron core nanoparticles in iron carbohydrates as they exist in the formulation in solution, such as e.g. iron sucrose drug products, and more particularly, the average particle diameter size and size distribution(s) of the iron core nanoparticles. The disclosed methods apply small-angle X-ray scattering (SAXS) in parallel beam transmission geometry, with a sample mounted inside a capillary and centered in the X-ray beam, to iron carbohydrates, such as iron sucrose, in solution without the need to modify the sample, such as to remove unbound carbohydrates, dilute, or dry the sample, to accurately characterize the average iron core particle diameter size of the iron core nanoparticles.
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: August 15, 2023
    Assignee: Amphastar Pharmaceuticals, Inc.
    Inventors: Jack Yongfeng Zhang, Mary Zi-Ping Luo, Thang Kien Chiu, Anthony Marrs, Selina Su
  • Patent number: 11703693
    Abstract: The present disclosure relates to an array substrate, a manufacturing method thereof, a three-dimensional display panel, and a display device. The array substrate includes a plurality of sub-pixels arranged in an array. Each sub-pixel includes a first composite region and a second composite region alternately arranged, as well as a substrate; a partition portion formed in the second composite region; a pixel electrode including a first composite electrode formed in the first composite region and a second composite electrode formed on the partition portion; an organic light emitting layer formed on a side of the pixel electrode away from the substrate; a pixel defining layer formed on the substrate provided around the organic light emitting layer; a common electrode having a polarity opposite to the pixel electrode formed on a side of organic light emitting layer away from the substrate; and a packaging layer.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: July 18, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaohu Li, Huajie Yan, Qingyu Huang, Yongfeng Zhang, Xiaoyun Liu, Zhiqiang Jiao
  • Publication number: 20230181500
    Abstract: The present disclosure introduces intranasal (IN) pharmaceutical formulations having naloxone or an opioid antagonist as the active agent, and an absorption enhancer, such as a bile acid, or a salt thereof, for IN delivery. The bile acid, or salt thereof, enhances absorption of naloxone or an opioid antagonist into the bloodstream of a human subject.
    Type: Application
    Filed: May 3, 2021
    Publication date: June 15, 2023
    Inventors: Jack Yongfeng Zhang, Mary Zi-ping Luo, Jie Fei Ding, Aili Bo, Jiewen Zhu
  • Publication number: 20230137790
    Abstract: Disclosed herein are pharmaceutical formulations including epinephrine that have increased epinephrine retention over long-term storage, e.g., 30-months. In one aspect, a formulation includes: one or more of 0.1 mg/mL of epinephrine or a pharmaceutically acceptable salt thereof provided without any overage, a tonicity regulating agent including 8.2 mg/mL of sodium chloride, a pH adjusting agent including a mixture of 1.5 mg/mL sodium citrate dihydrate, 3.3 mg/mL of citric acid monohydrate, and, optionally, an as-needed amount of sodium hydroxide to maintain the pH level of the formulation within a range of 3.6 to 4.0, 0.075 mg/mL of sodium metabisulfite, and 4 ?g/mL of ethylene diamine tetra-acetate disodium. The formulation has an API recovery of 94.5% or more after at least 30 months of storage at long-term storage conditions defined as 25° C.±2° C. at 1 atmosphere. In addition, in another aspect, a formulation includes 1 mg/mL of epinephrine and other ingredients.
    Type: Application
    Filed: October 28, 2022
    Publication date: May 4, 2023
    Inventors: Jack Yongfeng Zhang, Mary Zi-ping Luo, Fonda Su, Marvin Lin, Jie Fei Ding, Justin Jun Wei, Wenbo Yu, Rong Zhou
  • Publication number: 20230140033
    Abstract: Disclosed herein are pharmaceutical formulations including epinephrine that have increased epinephrine retention over long-term storage, e.g., 30-months. In one aspect, a formulation includes: one or more of 0.1 mg/mL of epinephrine or a pharmaceutically acceptable salt thereof provided without any overage, a tonicity regulating agent including 8.2 mg/mL of sodium chloride, a pH adjusting agent including a mixture of 1.5 mg/mL sodium citrate dihydrate, 3.3 mg/mL of citric acid monohydrate, and, optionally, an as-needed amount of sodium hydroxide to maintain the pH level of the formulation within a range of 3.6 to 4.0, 0.075 mg/mL of sodium metabisulfite, and 4 ?g/mL of ethylene diamine tetra-acetate disodium. The formulation has an API recovery of 94.5% or more after at least 30 months of storage at long-term storage conditions defined as 25° C.±2° C. at 1 atmosphere. In addition, in another aspect, a formulation includes 1 mg/mL of epinephrine and other ingredients.
    Type: Application
    Filed: October 28, 2022
    Publication date: May 4, 2023
    Inventors: Jack Yongfeng Zhang, Mary Zi-ping Luo, Fonda Su, Marvin Lin, Jie Fei Ding, Justin Jun Wei, Wenbo Yu, Rong Zhou
  • Patent number: D1008192
    Type: Grant
    Filed: September 26, 2023
    Date of Patent: December 19, 2023
    Assignee: Shenzhen Dongshengxiang Technology Co., Ltd
    Inventor: Yongfeng Zhang