Patents by Inventor Biwu Ma

Biwu Ma 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).

  • Metal halide perovskites, light-emitting diodes, and methods
    Patent number: 12180241
    Abstract: Metal halide perovskite crystals, composite materials that include metal halide perovskite crystals and a polymeric matrix material, devices that include metal halide perovskite crystals, and methods of forming metal halide perovskite crystals, composite materials, and devices. The devices may include optoelectronic devices, such as light-emitting diodes. The light-emitting diodes may emit red light.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: December 31, 2024
    Assignee: The Florida State University Research Foundation, Inc.
    Inventors: Biwu Ma, Yu Tian
  • Metal Halide Perovskites, Light-Emitting Diodes, and Methods
    Publication number: 20240425533
    Abstract: Metal halide perovskite crystals, composite materials that include metal halide perovskite crystals and a polymeric matrix material, devices that include metal halide perovskite crystals, and methods of forming metal halide perovskite crystals, composite materials, and devices. The devices may include optoelectronic devices, such as light-emitting diodes. The light-emitting diodes may emit red light.
    Type: Application
    Filed: September 3, 2024
    Publication date: December 26, 2024
    Inventors: Biwu Ma, Yu Tian
  • X-ray scintillators, metal halide hybrids, devices, and methods
    Patent number: 12164066
    Abstract: Methods of scintillation, scintillation devices, and metal halide hybrids that may be used as X-ray scintillators. The metal halide hybrids may include organic metal halide hybrids, inorganic metal halide hybrids, or organic-inorganic metal halide hybrids. The metal halide hybrids may have a 0D structure. The metal halide hybrids may be in the form of one or more discrete crystals.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: December 10, 2024
    Assignee: The Florida State University Research Foundation, Inc.
    Inventors: Biwu Ma, Liang-Jin Xu, Qingquan He
  • X-Ray Scintillators, Metal Halide Hybrids, Devices, and Methods
    Publication number: 20240345268
    Abstract: Methods of scintillation, scintillation devices, and metal halide hybrids that may be used as X-ray scintillators. The metal halide hybrids may include organic metal halide hybrids, inorganic metal halide hybrids, or organic-inorganic metal halide hybrids. The metal halide hybrids may have a 0D structure. The metal halide hybrids may be in the form of one or more discrete crystals.
    Type: Application
    Filed: June 25, 2024
    Publication date: October 17, 2024
    Inventors: Biwu Ma, Liang-Jin Xu, Qingquan He
  • Organic-Inorganic Hybrid Bulk Assemblies and Methods
    Publication number: 20240343973
    Abstract: Bulk assemblies are provided, which may have desirable photoluminescence quantum efficiencies. The bulk assemblies may include two or more metal halides, and a wide band gap organic network. The wide band gap organic network may include organic cations. The metal halides may be disposed in the wide band gap organic network. Light emitting composite materials also are provided.
    Type: Application
    Filed: June 24, 2024
    Publication date: October 17, 2024
    Inventors: Biwu Ma, Chenkun Zhou, Haoran Lin, Yu Tian
  • Coatings for electronic devices, solar cells, composite materials, and methods
    Patent number: 12040140
    Abstract: Methods of passivating surfaces, composite materials, and electronic devices including the composite materials. The composite materials can include a passivated film, such as a metal halide perovskite passivated with an organic dye. The electronic devices may include solar cells.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: July 16, 2024
    Assignee: The Florida State University Research Foundation, Inc.
    Inventors: Biwu Ma, Qingquan He
  • Organic-inorganic hybrid bulk assemblies and methods
    Patent number: 12018193
    Abstract: Bulk assemblies are provided, which may have desirable photoluminescence quantum efficiencies. The bulk assemblies may include two or more metal halides, and a wide band gap organic network. The wide band gap organic network may include organic cations. The metal halides may be disposed in the wide band gap organic network. Light emitting composite materials also are provided.
    Type: Grant
    Filed: March 8, 2023
    Date of Patent: June 25, 2024
    Assignee: Florida State University Research Foundation, Inc.
    Inventors: Biwu Ma, Chenkun Zhou, Haoran Lin, Yu Tian
  • ORGANIC METAL HALIDE HYBRIDS, ELECTRICALLY DRIVEN LIGHT EMITTING DIODES, AND METHODS
    Publication number: 20240188435
    Abstract: Organic metal halide hybrids (OMHHs) that can be used as improved materials (e.g., emitter materials) for electrically driven LEDs are provided, as well as methods of fabricating the same. The OMHHs can be highly luminescent and conductive zero-dimensional (0D) OMHHs. Efficient LEDs can include one or more of the OMHHs described herein. For example, the OMHH can be (and the LEDs can be based on) solution processed TPPcarzSbBr4 thin films and/or TPPcarzSbBr4 single crystals.
    Type: Application
    Filed: November 28, 2023
    Publication date: June 6, 2024
    Inventors: He Liu, Biwu Ma
  • Organic Pigment Coating for Electronic Devices, Perovskite Solar Cells, and Methods
    Publication number: 20240114707
    Abstract: Methods of passivating a surface. The methods may include providing a mixture including a liquid and a derivative of quinacridone, applying the mixture to a first surface of a film that includes a metal halide perovskite, and annealing the film for a time and a temperature effective to convert the derivative of quinacridone to quinacridone. Composite materials and electronic devices also are provided.
    Type: Application
    Filed: July 13, 2023
    Publication date: April 4, 2024
    Inventors: Biwu Ma, Qingquan He
  • Organic Pigment Coating for Electronic Devices, Perovskite Solar Cells, and Methods
    Publication number: 20240114706
    Abstract: Methods of passivating a surface. The methods may include providing a mixture including a liquid and a derivative of quinacridone, applying the mixture to a first surface of a film that includes a metal halide perovskite, and annealing the film for a time and a temperature effective to convert the derivative of quinacridone to quinacridone. Composite materials and electronic devices also are provided.
    Type: Application
    Filed: July 13, 2023
    Publication date: April 4, 2024
    Inventors: Biwu Ma, Qingquan He
  • Organic-inorganic hybrid perovskites, devices, and methods
    Patent number: 11926773
    Abstract: Provided herein are organic-inorganic hybrid-perovskites, including metal halide perovskites having a 1D crystal structure. The metal halide perovskites may be luminescent. The metal halide perovskites may include a dopant, including an emitter dopant. Methods of forming metal halide perovskites, and devices including the metal halide perovskites also are provided.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: March 12, 2024
    Assignee: Florida State University Research Foundation, Inc.
    Inventors: Biwu Ma, Zhao Yuan, Chenkun Zhou
  • SCINTILLATION MATERIALS AND METHODS
    Publication number: 20240034929
    Abstract: Organic metal halide hybrid-based scintillation materials are provided, as well as methods of fabricating and using the same. The scintillation materials can be zero-dimensional (0D) organic metal halide hybrid-based scintillation materials, such as 4-(4-(diphenylamino) phenyl)-1-(Propyl)-pyrindin-lium zinc bromide ((TPA-P)2ZnBr4), in which at least one metal halide anion (e.g., ZnBr42?) act(s) as an X-ray sensitizer and at least one aggregate induced emission (AIE) organic cation (e.g., TPA-P+) act(s) as a light emitter.
    Type: Application
    Filed: July 20, 2023
    Publication date: February 1, 2024
    Inventors: Biwu MA, Tunde B. SHONDE, Maya CHAABAN
  • Organic-Inorganic Hybrid Bulk Assemblies and Methods
    Publication number: 20230383180
    Abstract: Bulk assemblies are provided, which may have desirable photoluminescence quantum efficiencies. The bulk assemblies may include two or more metal halides, and a wide band gap organic network. The wide band gap organic network may include organic cations. The metal halides may be disposed in the wide band gap organic network. Light emitting composite materials also are provided.
    Type: Application
    Filed: March 8, 2023
    Publication date: November 30, 2023
    Inventors: Biwu Ma, Chenkun Zhou, Haoran Lin, Yu Tian
  • Organic pigment coating for electronic devices, perovskite solar cells, and methods
    Patent number: 11751410
    Abstract: Methods of passivating a surface. The methods may include providing a mixture including a liquid and a derivative of quinacridone, applying the mixture to a first surface of a film that includes a metal halide perovskite, and annealing the film for a time and a temperature effective to convert the derivative of quinacridone to quinacridone. Composite materials and electronic devices also are provided.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: September 5, 2023
    Assignee: The Florida State University Research Foundation, Inc.
    Inventors: Biwu Ma, Qingquan He
  • Perovskite based charge transport layers for thin film optoelectronic devices and methods of making
    Patent number: 11730047
    Abstract: A new type of charge transport layer based on organometal halide perovskite for highly efficient organic light emitting diodes (OLEDs) is demonstrated. By solution processing of halide perovskite precursors, smooth essentially pure perovskite thin films may be prepared with high transparency and conductivity. Solution processed multilayer OLED with this perovskite-based hole transport layer outperforms a device with a PEDOT:PSS layer.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: August 15, 2023
    Assignee: The Florida State University Research Foundation, Inc.
    Inventors: Biwu Ma, Yu Tian
  • X-Ray Scintillators, Metal Halide Hybrids, Devices, and Methods
    Publication number: 20230132026
    Abstract: Methods of scintillation, scintillation devices, and metal halide hybrids that may be used as X-ray scintillators. The metal halide hybrids may include organic metal halide hybrids, inorganic metal halide hybrids, or organic-inorganic metal halide hybrids. The metal halide hybrids may have a 0D structure. The metal halide hybrids may be in the form of one or more discrete crystals.
    Type: Application
    Filed: March 12, 2021
    Publication date: April 27, 2023
    Inventors: Biwu Ma, Liang-Jin Xu, Qingquan He
  • Organic-inorganic hybrid bulk assemblies and methods
    Patent number: 11624026
    Abstract: Bulk assemblies are provided, which may have desirable photoluminescence quantum efficiencies. The bulk assemblies may include two or more metal halides, and a wide band gap organic network. The wide band gap organic network may include organic cations. The metal halides may be disposed in the wide band gap organic network. Light emitting composite materials also are provided.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: April 11, 2023
    Assignee: Florida State University Research Foundation, Inc.
    Inventors: Biwu Ma, Chenkun Zhou, Haoran Lin, Yu Tian
  • Luminescent metal halide perovskites and methods
    Patent number: 11578089
    Abstract: Nanoscale metal halide perovskites are provided. The nanoscale metal halide perovskites may have a 2D structure, a quasi-2D structure, or a 3D structure. Methods also are provided for making the nanoscale metal halide perovskites. The color emitted by the nanoscale metal halide perovskites may be tuned.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: February 14, 2023
    Assignee: Florida State University Research Foundation, Inc.
    Inventors: Biwu Ma, Zhao Yuan
  • Coatings for Electronic Devices, Solar Cells, Composite Materials, and Methods
    Publication number: 20230027415
    Abstract: Methods of passivating surfaces, composite materials, and electronic devices including the composite materials. The composite materials can include a passivated film, such as a metal halide perovskite passivated with an organic dye. The electronic devices may include solar cells.
    Type: Application
    Filed: March 2, 2022
    Publication date: January 26, 2023
    Inventors: Biwu Ma, Qingquan He
  • Methods of making metal halide perovskites
    Patent number: 11466040
    Abstract: Methods of making metal halide perovskites, including methods of making micro crystals of metal halide perovskites. The metal halide perovskites, including the micro crystals, may have a 0D structure. The metal halide perovskites may be a light emitting material.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: October 11, 2022
    Assignee: Florida State University Research Foundation, Inc.
    Inventors: Biwu Ma, Chenkun Zhou, Zhao Yuan