Patents by Inventor Jih-Jen Wu
Jih-Jen Wu 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).
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Publication number: 20200185705Abstract: An electrode structure includes a mesh substrate and a nanomaterial. The nanomaterial contains oxide of group IVA element and grows on the mesh substrate. A method of manufacturing the electrode structure and a rechargeable battery including the electrode structure are also provided.Type: ApplicationFiled: December 7, 2018Publication date: June 11, 2020Applicant: NATIONAL CHENG KUNG UNIVERSITYInventors: Jih-Jen WU, Huei Lian CHEN
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Patent number: 9287422Abstract: The present invention discloses a solar cell having a multi-layered structure that is used to generate, transport, and collect electric charges. The multi-layered nanostructure comprises a cathode, a conducting metal layer, a photo-active layer, a hole-transport layer, and an anode. The photo-active layer comprises a tree-like nanostructure array and a conjugate polymer filler. The tree-like nanostructure array is used as an electron acceptor while the conjugate polymer filler is as an electron donor. The tree-like nanostructure array comprises a trunk part and a branch part. The trunk part is formed in-situ on the surface of the conducting metal layer and is used to provide a long straight transport pathway to transport electrons. The large contact area between the branch part and the conjugate polymer filler provides electron-hole separation.Type: GrantFiled: April 26, 2012Date of Patent: March 15, 2016Assignee: NATIONAL TAIWAN UNIVERSITYInventors: Wei-Fang Su, Chun-Wei Chen, Jih-Jen Wu, Yun-Yue Lin
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Patent number: 9269840Abstract: The present invention discloses a solar cell having a multi-layered structure that is used to generate, transport, and collect electric charges. The multi-layered nanostructure comprises a cathode, a conducting metal layer, a photo-active layer, a hole-transport layer, and an anode. The photo-active layer comprises a tree-like nanostructure array and a conjugate polymer filler. The tree-like nanostructure array is used as an electron acceptor while the conjugate polymer filler is as an electron donor. The tree-like nanostructure array comprises a trunk part and a branch part. The trunk part is formed in-situ on the surface of the conducting metal layer and is used to provide a long straight transport pathway to transport electrons. The large contact area between the branch part and the conjugate polymer filler provides electron-hole separation.Type: GrantFiled: May 3, 2012Date of Patent: February 23, 2016Assignee: NATIONAL TAIWAN UNIVERSITYInventors: Wei-Fang Su, Chun-Wei Chen, Jih-Jen Wu, Yun-Yue Lin
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Patent number: 9214288Abstract: A flexible photo-anode of dye-sensitized solar cell and a manufacturing method thereof are provided. The method includes steps of: coating zinc oxide nanoparticles on a flexible substrate to form a seed layer; immersing the flexible substrate into a first reaction solution; heating the seed layer to form a zinc oxide nanowire array; cooling the flexible substrate to the room temperature, immersing it into the second reaction solution, and stirring the second reaction solution, so that the zinc oxide nanowire array forms a cactus-like structure. Thus, the sintering and embossing processes can be prevented.Type: GrantFiled: September 5, 2013Date of Patent: December 15, 2015Assignee: NATIONAL CHENG KUNG UNIVERSITYInventors: Jih-Jen Wu, Geng-Jia Chang, Shou-Yen Lin, Chun-te Wu, Jen-Sue Chen
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Publication number: 20150059844Abstract: A flexible photo-anode of dye-sensitized solar cell and a manufacturing method thereof are provided. The method includes steps of: coating zinc oxide nanoparticles on a flexible substrate to form a seed layer; immersing the flexible substrate into a first reaction solution; heating the seed layer to form a zinc oxide nanowire array; cooling the flexible substrate to the room temperature, immersing it into the second reaction solution, and stirring the second reaction solution, so that the zinc oxide nanowire array forms a cactus-like structure. Thus, the sintering and embossing processes can be prevented.Type: ApplicationFiled: September 5, 2013Publication date: March 5, 2015Applicant: NATIONAL CHENG KUNG UNIVERSITYInventors: Jih-Jen WU, Geng-Jia CHANG, Shou-Yen LIN, Chun-te WU, Jen-Sue CHEN
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Patent number: 8821967Abstract: A method for manufacturing an oxide thin film comprises: providing a coating material composed of a first precursor material, a fuel material and a solvent; coating the coating material on a substrate; and annealing the coated coating material on the substrate to convert the coated coating material into an oxide thin film.Type: GrantFiled: April 8, 2011Date of Patent: September 2, 2014Assignee: National Cheng Kung UniversityInventors: Jih-Jen Wu, Wei-Ting Wu, Ching-Mei Wang, Jen-Sue Chen
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Patent number: 8743447Abstract: An electrochromic device is provided. The electrochromic device includes a first substrate, an electrochromic layer, an electrode, an electrolyte layer and a second substrate. The electrochromic layer is formed on the first substrate, the electrode is disposed on the electrochromic layer, and the electrolyte layer is disposed between the electrode and the second substrate.Type: GrantFiled: January 9, 2012Date of Patent: June 3, 2014Assignee: National Cheng Kung UniversityInventors: Jen-Sue Chen, Wei-Ting Wu, Jih-Jen Wu, Kun-Keng Chiang
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Patent number: 8502068Abstract: The present invention discloses a solar cell having a multi-layered structure that is used to generate, transport, and collect electric charges. The multi-layered nanostructure comprises a cathode, a conducting metal layer, a photo-active layer, a hole-transport layer, and an anode. The photo-active layer comprises a tree-like nanostructure array and a conjugate polymer filler. The tree-like nanostructure array is used as an electron acceptor while the conjugate polymer filler is as an electron donor. The tree-like nanostructure array comprises a trunk part and a branch part. The trunk part is formed in-situ on the surface of the conducting metal layer and is used to provide a long straight transport pathway to transport electrons. The large contact area between the branch part and the conjugate polymer filler provides electron-hole separation.Type: GrantFiled: April 26, 2012Date of Patent: August 6, 2013Assignee: National Taiwan UniversityInventors: Wei-Fang Su, Chun-Wei Chen, Jih-Jen Wu, Yun-Yue Lin
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Publication number: 20120214274Abstract: The present invention discloses a solar cell having a multi-layered structure that is used to generate, transport, and collect electric charges. The multi-layered nanostructure comprises a cathode, a conducting metal layer, a photo-active layer, a hole-transport layer, and an anode. The photo-active layer comprises a tree-like nanostructure array and a conjugate polymer filler. The tree-like nanostructure array is used as an electron acceptor while the conjugate polymer filler is as an electron donor. The tree-like nanostructure array comprises a trunk part and a branch part. The trunk part is formed in-situ on the surface of the conducting metal layer and is used to provide a long straight transport pathway to transport electrons. The large contact area between the branch part and the conjugate polymer filler provides electron-hole separation.Type: ApplicationFiled: May 3, 2012Publication date: August 23, 2012Applicant: National Taiwan UniversityInventors: WEI-FANG SU, CHUN-WEI CHEN, JIH-JEN WU, YUN-YUE LIN
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Publication number: 20120211070Abstract: The present invention discloses a solar cell having a multi-layered structure that is used to generate, transport, and collect electric charges. The multi-layered nanostructure comprises a cathode, a conducting metal layer, a photo-active layer, a hole-transport layer, and an anode. The photo-active layer comprises a tree-like nanostructure array and a conjugate polymer filler. The tree-like nanostructure array is used as an electron acceptor while the conjugate polymer filler is as an electron donor. The tree-like nanostructure array comprises a trunk part and a branch part. The trunk part is formed in-situ on the surface of the conducting metal layer and is used to provide a long straight transport pathway to transport electrons. The large contact area between the branch part and the conjugate polymer filler provides electron-hole separation.Type: ApplicationFiled: April 26, 2012Publication date: August 23, 2012Applicant: National Taiwan UniversityInventors: WEI-FANG SU, CHUN-WEI CHEN, JIH-JEN WU, YUN-YUE LIN
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Publication number: 20120208316Abstract: The present invention discloses a solar cell having a multi-layered structure that is used to generate, transport, and collect electric charges. The multi-layered nanostructure comprises a cathode, a conducting metal layer, a photo-active layer, a hole-transport layer, and an anode. The photo-active layer comprises a tree-like nanostructure array and a conjugate polymer filler. The tree-like nanostructure array is used as an electron acceptor while the conjugate polymer filler is as an electron donor. The tree-like nanostructure array comprises a trunk part and a branch part. The trunk part is formed in-situ on the surface of the conducting metal layer and is used to provide a long straight transport pathway to transport electrons. The large contact area between the branch part and the conjugate polymer filler provides electron-hole separation.Type: ApplicationFiled: April 26, 2012Publication date: August 16, 2012Applicant: National Taiwan UniversityInventors: WEI-FANG SU, Chun-Wei Chen, Jih-Jen Wu, Yun-Yue Lin
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Patent number: 8238016Abstract: A photovoltachromic device includes a photoelectrode, a counter electrode electrically connected to the photoelectrode, and an electrolyte layer disposed between the photoelectrode and the counter electrode. The photoelectrode includes a first transparent electrode, an electron-transport layer disposed on the first transparent electrode, and a sensitizing layer disposed on the electron-transport layer. The counter electrode includes a second transparent electrode and an electrochromic layer disposed on the second transparent electrode. The second transparent electrode contacts both of the electrolyte layer and the electrochromic layer thereby accelerating the response times for coloring and bleaching the photovoltachromic device.Type: GrantFiled: April 12, 2010Date of Patent: August 7, 2012Assignee: National Cheng Kung UniversityInventors: Jih-Jen Wu, Min-Da Hsieh, Wen-Pin Liao, Wei-Ting Wu, Jen-Sue Chen, Jow-Lay Huang
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Publication number: 20120176660Abstract: An electrochromic device is provided. The electrochromic device includes a first substrate, an electrochromic layer, an electrode, an electrolyte layer and a second substrate. The electrochromic layer is formed on the first substrate, the electrode is disposed on the electrochromic layer, and the electrolyte layer is disposed between the electrode and the second substrate.Type: ApplicationFiled: January 9, 2012Publication date: July 12, 2012Applicant: NATIONAL CHENG KUNG UNIVERSITYInventors: Jen-Sue Chen, Wei-Ting Wu, Jih-Jen Wu, Kun-Keng Chiang
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Patent number: 8198531Abstract: The present invention discloses a solar cell having a multi-layered structure that is used to generate, transport, and collect electric charges. The multi-layered nanostructure comprises a cathode, a conducting metal layer, a photo-active layer, a hole-transport layer, and an anode. The photo-active layer comprises a tree-like nanostructure array and a conjugate polymer filler. The tree-like nanostructure array is used as an electron acceptor while the conjugate polymer filler is as an electron donor. The tree-like nanostructure array comprises a trunk part and a branch part. The trunk part is formed in-situ on the surface of the conducting metal layer and is used to provide a long straight transport pathway to transport electrons. The large contact area between the branch part and the conjugate polymer filler provides electron-hole separation.Type: GrantFiled: April 21, 2008Date of Patent: June 12, 2012Assignee: National Taiwan UniversityInventors: Wei-Fan Su, Chun-Wei Chen, Jih-Jen Wu, Yun-Yue Lin
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Publication number: 20120082782Abstract: A method for manufacturing an oxide thin film comprises: providing a coating material composed of a first precursor material, a fuel material and a solvent; coating the coating material on a substrate; and annealing the coated coating material on the substrate to convert the coated coating material into an oxide thin film.Type: ApplicationFiled: April 8, 2011Publication date: April 5, 2012Applicant: NATIONAL CHENG KUNG UNIVERSITYInventors: Jih-Jen Wu, Wei-Ting Wu, Ching-Mei Wang, Jen-Sue Chen
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Publication number: 20100259811Abstract: A photovoltachromic device includes a photoelectrode, a counter electrode electrically connected to the photoelectrode, and an electrolyte layer disposed between the photoelectrode and the counter electrode. The photoelectrode includes a first transparent electrode, an electron-transport layer disposed on the first transparent electrode, and a sensitizing layer disposed on the electron-transport layer. The counter electrode includes a second transparent electrode and an electrochromic layer disposed on the second transparent electrode. The second transparent electrode contacts both of the electrolyte layer and the electrochromic layer thereby accelerating the response times for coloring and bleaching the photovoltachromic device.Type: ApplicationFiled: April 12, 2010Publication date: October 14, 2010Applicant: NATIONAL CHENG KUNG UNIVERSITYInventors: Jih-Jen WU, Min-Da HSIEH, Wen-Pin LIAO, Wei-Ting WU, Jen-Sue CHEN, Jow-Lay HUANG
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Patent number: 7812526Abstract: A lithium aluminum oxide (LiAlO2) substrate suitable for a zinc oxide (ZnO) buffer layer is found. The ZnO buffer layer is grown on the LiAlO2 substrate. Because the LiAlO2 substrate has a similar structure to that of the ZnO buffer layer, a quantum confined stark effect (QCSE) is effectively eliminated. And a photoelectrical device made with the present invention, like a light emitting diode, a piezoelectric material or a laser diode, thus obtains an enhanced light emitting efficiency.Type: GrantFiled: June 11, 2007Date of Patent: October 12, 2010Assignee: National Sun Yat-sen UniversityInventors: Mitch M. C. Chou, Jih-Jen Wu, Wen-Ching Hsu
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Publication number: 20090038677Abstract: The present invention discloses a solar cell having a multi-layered structure that is used to generate, transport, and collect electric charges. The multi-layered nanostructure comprises a cathode, a conducting metal layer, a photo-active layer, a hole-transport layer, and an anode. The photo-active layer comprises a tree-like nanostructure array and a conjugate polymer filler. The tree-like nanostructure array is used as an electron acceptor while the conjugate polymer filler is as an electron donor. The tree-like nanostructure array comprises a trunk part and a branch part. The trunk part is formed in-situ on the surface of the conducting metal layer and is used to provide a long straight transport pathway to transport electrons. The large contact area between the branch part and the conjugate polymer filler provides electron-hole separation.Type: ApplicationFiled: April 21, 2008Publication date: February 12, 2009Applicant: NATIONAL TAIWAN UNIVERSITYInventors: Wei-Fang Su, Chun-Wei Chen, Jih-Jen Wu, Yun-Yue Lin
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Publication number: 20080233415Abstract: A lithium aluminum oxide (LiAlO2) substrate suitable for a zinc oxide (ZnO) buffer layer is found. The ZnO buffer layer is grown on the LiAlO2 substrate. Because the LiAlO2 substrate has a similar structure to that of the ZnO buffer layer, a quantum confined stark effect (QCSE) is effectively eliminated. And a photoelectrical device made with the present invention, like a light emitting diode, a piezoelectric material or a laser diode, thus obtains an enhanced light emitting efficiency.Type: ApplicationFiled: June 11, 2007Publication date: September 25, 2008Applicants: National Sun Yat-sen University, Sino American Silicon Products Inc.Inventors: Mitch M. C. Chou, Jih-Jen Wu, Wen-Ching Hsu
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Publication number: 20080233671Abstract: A light emitting diode (LED) is made. The LED had a LiAlO2 substrate and a GaN layer. Between them, there is a zinc oxide (ZnO) layer. Because GaN and ZnO have a similar. Wurtzite structure, GaN can easily grow on ZnO. By using the ZnO layer, the GaN layer is successfully grown as a single crystal thin film on the LiAlO2 substrate. Thus, GaN defect density is reduced and lattice match is obtained to have a good crystal interface quality and an enhanced light emitting efficiency of a device thus made.Type: ApplicationFiled: June 11, 2007Publication date: September 25, 2008Applicants: National Sun Yat-sen University, Sino American Silicon Products Inc.Inventors: Mitch M. C. Chou, Jih-Jen Wu, Wen-Ching Hsu