Patents by Inventor Xiaowei Sun
Xiaowei Sun 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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Patent number: 10780246Abstract: There is provided a microcatheter with a tapering wall thickness shaft having varying stiffness/flexibility along its length from proximal end near the medical practitioner to the distal end near the target site in the patient, such as with at least three segments. The shaft is prepared of a thermoplastic material having varying composition along its length. The distal end may be shaped according to the required use just prior to the medical procedure. The microcatheter is particularly adapted for the delivery of microspheric compositions for treatment of tumors or fibroids by embolization of peripheral blood vessels of the tumor or fibroid.Type: GrantFiled: September 12, 2014Date of Patent: September 22, 2020Inventors: Fei Yao, Xiaowei Sun
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Publication number: 20200224049Abstract: A method for preparing a fluorescent polarizing film based on directional arrangement of quantum rods. In the method, an inkjet printing technology is used for printing quantum-rod ink having proper viscosity and surface tension on a substrate according to a preset pattern, and directionally arranging quantum rods to obtain a fluorescent polarizing film. The diameter and spacing of fluorescent lines obtained by the method can be controlled and adjusted according to parameter conditions such as a needle aperture, a printing speed, and a preset pattern. The prepared transparent fluorescent film with directionally arranged quantum rods has a high degree of polarization, can be prepared on a flexible substrate in a normal temperature environment, and has wide applicability.Type: ApplicationFiled: September 13, 2017Publication date: July 16, 2020Applicant: SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINAInventors: Xiaowei Sun, Kai Wang, Haochen Liu, Ziming Zhou, Zhe Zhang, Junjie Hao, Zuoliang Wen
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Patent number: 10414080Abstract: An injection molding apparatus for forming a gasket around an edge of a glass is provided. The injection molding apparatus includes: an injection mold die; a fixing component, disposed inside the injection mold die and adapted for fixing the glass inside the injection mold die; a detection unit, mounted to the injection molding apparatus and adapted for detecting an image or vibration of the glass; a determination unit, coupled with the detection unit and adapted for determining whether the glass breaks based on a detection result of the detection unit. The apparatus can determine whether the glass breaks, such that the risk of scratching the injection mold die by glass breaking may be reduced. Therefore, the injection molding yield can be improved, the time for repairing the injection mold die may be reduced and a service life of the injection mold die may be prolonged.Type: GrantFiled: April 15, 2015Date of Patent: September 17, 2019Assignee: SAINT-GOBAIN GLASS FRANCEInventors: Shuai Zhang, Xiaofeng Lin, Ping Li, Xiaowei Sun, Xiaoyu Zhao
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Publication number: 20190262890Abstract: A device for fixing a metal tube with a plate by expansion includes a pressure head, a jacket and an expansion block. The jacket is of a cylindrical structure having a bottom and provided with a plurality of openings on the side having the bottom and near the bottom, and threads are provided on inner wall of jacket; threads are provided on outer wall of pressure head, and threads on outer wall of pressure head are matched with threads on inner wall of jacket; a cone head is fixed below pressure head and has an outer surface in an inverted cone shape; the expansion block has an inner surface in an inverted cone shape, a plurality of extrusion heads are arranged on outer surface and pass through openings on the side of the jacket; and inner surface of the expansion block is fitted with outer surface of the cone head.Type: ApplicationFiled: November 29, 2018Publication date: August 29, 2019Inventors: Youdao XING, Xiaowei Sun, Yongze Kang, Wei Liu
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Publication number: 20190249337Abstract: Disclosed is a method for preparing a quantum rod/polymer fiber membrane by using electrospinning technique. The method comprises the following steps: (1) preparing a quantum rod solution; (2) preparing a polymer solution, and adding the quantum rod solution obtained in step (1) into the polymer solution so as to form an electrospinning precursor solution with a volume concentration of the quantum rods of 5%-80%; and (3) adding the electrospinning precursor solution into an electrospinning device, regulating the voltage of a generator and the receiving distance, and then performing electrospinning to prepare the quantum rod/polymer fiber membrane. By adjusting the concentration of the quantum rod solution and parameters in the electrospinning process, the method realizes directional arrangements of the quantum rods in the electrospinning process, thereby obtaining the quantum rod/polymer fiber membrane with high degree of polarization performance.Type: ApplicationFiled: November 15, 2016Publication date: August 15, 2019Applicant: SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINAInventors: Kai Wang, Ziming Zhou, Jing Qin, Zuoliang Wen, Shang Li, Junjie Hao, Wei Chen, Xiaowei Sun
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Patent number: 10367342Abstract: A dead end structure for supporting a cable having a core portion includes a first support portion extending between a first end and a second end. A second support portion is attached to the first end of the first support portion. A third support portion is attached to the second end of the first support portion. A first helical winding and a second helical winding engage one another such that a first axial opening and a second axial opening are axially aligned to define an axial support opening into which the core portion of the cable is received. The second support portion and the third support portion apply a radial compressive force to the core portion. A sleeve defines an axial opening. The second support portion and the third support portion are received within the axial opening of the sleeve.Type: GrantFiled: January 13, 2017Date of Patent: July 30, 2019Assignee: Beijing PLP Conductor Line Products Co. Ltd.Inventors: Yue Ma, Wenji Wu, Xiaowei Sun, Qinghui Xie
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Patent number: 10236466Abstract: According to one embodiment, an organic light emitting device is described including a first light emitting unit, a second light emitting unit and a charge generation layer wherein the second light emitting unit is stacked over the first light emitting unit and is connected to the first light emitting unit by means of the charge generation layer and wherein the charge generation layer includes an electron transport layer, a transition metal oxide layer arranged over the electron transport layer and a diffusion suppressing layer arranged between the electron transport layer and the transition metal oxide layer to separate the electron transport layer from the transition metal oxide layer.Type: GrantFiled: November 13, 2015Date of Patent: March 19, 2019Assignee: NANYANG TECHNOLOGICAL UNIVERSITYInventors: Xiaowei Sun, Hilmi Volkan Demir, Swee Tiam Tan, Yongbiao Zhao
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Publication number: 20190081470Abstract: A dead end structure for supporting a cable having a core portion includes a first support portion extending between a first end and a second end. A second support portion is attached to the first end of the first support portion. A third support portion is attached to the second end of the first support portion. A first helical winding and a second helical winding engage one another such that a first axial opening and a second axial opening are axially aligned to define an axial support opening into which the core portion of the cable is received. The second support portion and the third support portion apply a radial compressive force to the core portion. A sleeve defines an axial opening. The second support portion and the third support portion are received within the axial opening of the sleeve.Type: ApplicationFiled: January 13, 2017Publication date: March 14, 2019Inventors: Yue MA, Wenji WU, Xiaowei SUN, Qinghui XIE
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Patent number: 10150685Abstract: A water reclamation method on the basis of integrated use of magnetic resin adsorption and electrosorption is provided. It belongs to the water reclamation field, including the following steps: pump the biotreated effluent into a reactor that is filled with magnetic resin particles so that the chromaticity, organic pollutants, total nitrogen, total phosphorus contained in the wastewater can be effectively reduced; channel the fully reacted mixture into a precipitation tank for separation; part of the separated magnetic resin is pumped back into the reactor while the rest of the separated magnetic resin flows into a regeneration tank; the wastewater treated by magnetic resin adsorption then flows into an electrosorption unit for a desalting process; the remaining organic pollutants and inorganic pollutants are further removed.Type: GrantFiled: November 18, 2014Date of Patent: December 11, 2018Assignees: NANJING UNIVERSITY, NANJING UNIVERSITY YANCHENG ENVIRONMENTAL PROTECTION TECHNOLOGY AND ENGINEERING RESEARCH INSTITUTE, EST WATER AND TECHNOLOGIES CO., LTDInventors: Aimin Li, Changming Wang, Haiou Song, Bojun Wang, Xiaowei Sun, Yeli Jiang, Zhaolian Zhu, Xun Chen, Jun Wang, Zhijian Yao, Chendong Shuang, Haibo Li, Yu Huang
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Patent number: 10121822Abstract: A light-emitting device may include an active layer. The light-emitting device may include a first semiconductor layer of a first conductivity type. The first semiconductor layer may be in physical contact with the active layer. The light-emitting device may also include a second semiconductor layer of a second conductivity type. The second semiconductor layer may be in physical contact with the active layer and opposite the first conductive layer. The light-emitting device may further include a first electrode in physical contact with a first side of the first semiconductor layer. The light-emitting device may additionally include a second electrode in physical contact with a second side of the first semiconductor layer. The second side of the first semiconductor layer may be different from the first side of the first semiconductor layer. The light-emitting device may also include a third electrode in physical contact with the second semiconductor layer.Type: GrantFiled: November 18, 2014Date of Patent: November 6, 2018Assignee: NANYANG TECHNOLOGICAL UNIVERSITYInventors: Xueliang Zhang, Zi-Hui Zhang, Yun Ji, Zhen Gang Ju, Wei Liu, Swee Tiam Tan, Xiaowei Sun, Hilmi Volkan Demir
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Patent number: 9997707Abstract: The invention relates generally to perovskite materials, and in particular, to perovskite thin films having large crystalline grains. Methods of forming the perovskite thin films are disclosed herein. The perovskite thin films find particular use in photovoltaic applications.Type: GrantFiled: February 26, 2016Date of Patent: June 12, 2018Assignee: NANYANG TECHNOLOGICAL UNIVERSITYInventors: Ning Wang, Xiaowei Sun
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Patent number: 9887326Abstract: The invention discloses a quantum dot composite fluorescent particle including quantum dots, a mesoporous material, and a water-blocking and oxygen-blocking material. The quantum dots are distributed in the mesoporous material, and the water-blocking and oxygen-blocking material is filled in the gaps between the quantum dots and the mesoporous material. The quantum dot composite fluorescent particles may also include metal nanoparticles distributed within the mesoporous material and/or a blocking layer coating the outer surface of the mesoporous material. These features greatly improve the water and oxygen blocking properties and thus, the stability of the quantum dot composite fluorescent particles. The metal nanoparticles help the quantum dots capture more blue lights due to the localized surface resonance plasma and consequently improve the utilization ratio of the blue lights. The quantum dot composite fluorescent particle can then be integrated into an LED module to improve its service life.Type: GrantFiled: July 8, 2016Date of Patent: February 6, 2018Assignee: Tianjin Zhonghuan Quantum Tech Co., Ltd.Inventors: Kai Wang, Wei Chen, Junjie Hao, Rui Lu, Lei Yang, Dun Bian, Chunfeng Li, Xiaowei Sun
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Publication number: 20170271562Abstract: The invention discloses a quantum dot composite fluorescent particle including quantum dots, a mesoporous material, and a water-blocking and oxygen-blocking material. The quantum dots are distributed in the mesoporous material, and the water-blocking and oxygen-blocking material is filled in the gaps between the quantum dots and the mesoporous material. The quantum dot composite fluorescent particles may also include metal nanoparticles distributed within the mesoporous material and/or a blocking layer coating the outer surface of the mesoporous material. These features greatly improve the water and oxygen blocking properties and thus, the stability of the quantum dot composite fluorescent particles. The metal nanoparticles help the quantum dots capture more blue lights due to the localized surface resonance plasma and consequently improve the utilization ratio of the blue lights. The quantum dot composite fluorescent particle can then be integrated into an LED module to improve its service life.Type: ApplicationFiled: July 8, 2016Publication date: September 21, 2017Applicant: Tianjin Zhonghuan Quantum Tech Co., Ltd.Inventors: Kai Wang, Wei Chen, Junjie Hao, Rui Lu, Lei Yang, Dun Bian, Chunfeng Li, Xiaowei Sun
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Publication number: 20170077328Abstract: A composite material for fluorescent quantum dot micro-nano packaging. The composite material comprises fluorescent quantum dots, a mesoporous particle material having a nanometer lattice structure, and a barrier layer, wherein the fluorescent quantum dots are distributed in the mesoporous particle material, and the barrier layer is coated on the outer surface of the mesoporous particle material. In the composite material according to the invention, the quantum dot aggregation can be effectively retarded, with the barrier layer coated on the surface the water-oxygen micromolecule erosion is prevented, the compatibility and stability of the composite fluorescent particles is improved, and the service life of the composite material for fluorescent quantum dot micro-nano packaging is thus greatly improved.Type: ApplicationFiled: December 9, 2015Publication date: March 16, 2017Applicant: Tianjin Zhonghuan Quantum Tech Co., Ltd.Inventors: Kai Wang, Wei Chen, Junjie Hao, Xinhai Zhang, Xiaowei Sun
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Patent number: 9577127Abstract: A composite material for fluorescent quantum dot micro-nano packaging. The composite material comprises fluorescent quantum dots, a mesoporous particle material having a nanometer lattice structure, and a barrier layer, wherein the fluorescent quantum dots are distributed in the mesoporous particle material, and the barrier layer is coated on the outer surface of the mesoporous particle material. In the composite material according to the invention, the quantum dot aggregation can be effectively retarded, with the barrier layer coated on the surface the water-oxygen micromolecule erosion is prevented, the compatibility and stability of the composite fluorescent particles is improved, and the service life of the composite material for fluorescent quantum dot micro-nano packaging is thus greatly improved.Type: GrantFiled: December 9, 2015Date of Patent: February 21, 2017Assignee: Tianjin Zhonghuan Quantum Tech Co., Ltd.Inventors: Kai Wang, Wei Chen, Junjie Hao, Xinhai Zhang, Xiaowei Sun
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Publication number: 20170044039Abstract: A water reclamation method on the basis of integrated use of magnetic resin adsorption and electrosorption is provided. It belongs to the water reclamation field, including the following steps: pump the biotreated effluent into a reactor that is filled with magnetic resin particles so that the chromaticity, organic pollutants, total nitrogen, total phosphorus contained in the wastewater can be effectively reduced; channel the fully reacted mixture into a precipitation tank for separation; part of the separated magnetic resin is pumped back into the reactor while the rest of the separated magnetic resin flows into a regeneration tank; the wastewater treated by magnetic resin adsorption then flows into an electrosorption unit for a desalting process; the remaining organic pollutants and inorganic pollutants are further removed.Type: ApplicationFiled: November 18, 2014Publication date: February 16, 2017Inventors: AIMIN J. LI, CHANGMING WANG, HAIOU SONG, BOJUN WANG, XIAOWEI SUN, YELI JIANG, ZHAOLIAN ZHU, XUN CHEN, JUN WANG, ZHIJIAN YAO, CHENDONG SHUANG, HAIBO LI, YU HUANG
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Publication number: 20160354963Abstract: An injection molding apparatus for forming a gasket around an edge of a glass is provided. The injection molding apparatus includes: an injection mold die; a fixing component, disposed inside the injection mold die and adapted for fixing the glass inside the injection mold die; a detection unit, mounted to the injection molding apparatus and adapted for detecting an image or vibration of the glass; a determination unit, coupled with the detection unit and adapted for determining whether the glass breaks based on a detection result of the detection unit. The apparatus can determine whether the glass breaks, such that the risk of scratching the injection mold die by glass breaking may be reduced. Therefore, the injection molding yield can be improved, the time for repairing the injection mold die may be reduced and a service life of the injection mold die may be prolonged.Type: ApplicationFiled: April 15, 2015Publication date: December 8, 2016Inventors: Shuai ZHANG, Xiaofeng LIN, Ping LI, Xiaowei SUN, Xiaoyu ZHAO
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Publication number: 20160307959Abstract: A light-emitting device may include an active layer. The light-emitting device may include a first semiconductor layer of a first conductivity type. The first semiconductor layer may be in physical contact with the active layer. The light-emitting device may also include a second semiconductor layer of a second conductivity type. The second semiconductor layer may be in physical contact with the active layer and opposite the first conductive layer. The light-emitting device may further include a first electrode in physical contact with a first side of the first semiconductor layer. The light-emitting device may additionally include a second electrode in physical contact with a second side of the first semiconductor layer. The second side of the first semiconductor layer may be different from the first side of the first semiconductor layer. The light-emitting device may also include a third electrode in physical contact with the second semiconductor layer.Type: ApplicationFiled: November 18, 2014Publication date: October 20, 2016Inventors: Xueliang Zhang, Zi-Hui Zhang, Yun Ji, Zhen Gang Ju, Wei Liu, Swee Tiam Tan, Xiaowei Sun, Hilmi Volkan Demir
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Publication number: 20160254472Abstract: The invention relates generally to perovskite materials, and in particular, to perovskite thin films having large crystalline grains. Methods of forming the perovskite thin films are disclosed herein. The perovskite thin films find particular use in photovoltaic applications.Type: ApplicationFiled: February 26, 2016Publication date: September 1, 2016Applicant: NANYANG TECHNOLOGICAL UNIVERSITYInventors: Ning WANG, Hilmi Volkan DEMIR, Xiaowei SUN
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Patent number: 9362445Abstract: A light emitting device comprising a plurality of current spreading layers including a first P doped layer, a first N doped layer and a second P doped layer, wherein the N doped layer having a doping level and thickness configured for substantial depletion or full depletion.Type: GrantFiled: May 30, 2013Date of Patent: June 7, 2016Assignee: Nanyang Technological UniversityInventors: Zi-Hui Zhang, Swee Tiam Tan, Xiaowei Sun, Hilmi Volkan Demir