Patents by Inventor Hao Pang
Hao Pang 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: 12365599Abstract: The present invention provides the use of a lead (IV) containing compound to prepare a lead chalcogenide nanocrystal and a method for producing broadband lead chalcogenide nanocrystals in a low cost, size-controllable and scalable method, the method comprising contacting a lead (IV) containing compound with an organic acid and a chalcogen-containing reagent.Type: GrantFiled: March 25, 2020Date of Patent: July 22, 2025Assignee: QUANTUM SCIENCE LTDInventors: Hao Pang, Jie Li
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Publication number: 20250187939Abstract: The present invention provides the use of a lead (IV) containing compound to prepare a lead chalcogenide nanocrystal and a method for producing broadband lead chalcogenide nanocrystals in a low cost, size-controllable and scalable method, the method comprising contacting a lead (IV) containing compound with an organic acid and a chalcogen-containing reagent.Type: ApplicationFiled: February 7, 2025Publication date: June 12, 2025Applicant: QUANTUM SCIENCE LTDInventors: Hao PANG, Jie LI
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Publication number: 20250059672Abstract: The present disclosure relates to an ion exchange resin used in solid electrolytic polishing of metal workpieces and a use method thereof. The ion exchange resin is an organic weak acid-type cation exchange resin with a porous structure; and the ion exchange resin contains an electrolyte inside pores and/or on the surface of the ion exchange resin. The ion exchange resin is used in solid electrolytic polishing of a metal workpiece. Compared to mechanical polishing and electrolytic polishing, the ion exchange resin can fully polish parts that are not easily accessible for grinding. The method does not require a large amount of chemical oxidizing agents and electrolytes during polishing, thus being environmentally friendly and highly safe. In addition, the modified ion exchange resin can be regenerated after a period of use, greatly increasing the service life and reducing costs.Type: ApplicationFiled: December 13, 2022Publication date: February 20, 2025Applicant: Guangdong Weshining Technology Co., Ltd.Inventors: Hao Pang, Bing Liao, Peiping Hong, Yue Yu
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Patent number: 12059746Abstract: An apparatus for forming a laser beam can include a controllable spatial light modulator, a control device for controlling the light modulator, and a beam guiding optical unit, wherein the control device is configured to split a display plane of the light modulator into a plurality of display regions and to represent a first beam influencing structure in at least one first display region of the plurality of display regions and a second beam influencing structure in a second display region of the plurality of display regions, wherein the beam guiding optical unit is configured to cause the laser beam to interact along the direction of propagation thereof firstly with the first display region and then with the second display region.Type: GrantFiled: July 28, 2021Date of Patent: August 13, 2024Assignee: TRUMPF LASER GMBHInventors: Malte Kumkar, Daniel Grossmann, Daniel Flamm, Hao Pang
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Publication number: 20230382757Abstract: The present invention provides the use of a lead (IV) containing compound to prepare a lead chalcogenide nanocrystal and a method for producing broadband lead chalcogenide nanocrystals in a low cost, size-controllable and scalable method, the method comprising contacting a lead (IV) containing compound with an organic acid and a chalcogen-containing reagent.Type: ApplicationFiled: September 24, 2021Publication date: November 30, 2023Inventors: Hao Pang, Cong-Duan Vo, Jie Li
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Patent number: 11719595Abstract: The disclosure discloses a testing device and a testing system for testing high-pressure and large-scale gap dynamic sealing performance of a plunger sleeve. The testing device includes two cylinders, first and second plunger rods and a piston rod. A first chamber is formed between an end of the first plunger rod and a first cylinder, and a second chamber is formed between an end of the second plunger rod and a second cylinder. The first chamber and the second chamber are provided with high-pressure liquid, and the two chambers communicate with each other. When being driven by a driving device, the piston rod drives the first and second plunger rods to reciprocate left and right. The plunger sleeve and a locking plunger sleeve are disposed outside each of the first and second plunger rods. The locking plunger sleeve has a leakage port. When the first and second plunger rods reciprocate, the high-pressure liquid in the chambers leaks from the leakage port.Type: GrantFiled: November 29, 2021Date of Patent: August 8, 2023Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Yinshui Liu, Shendan Zhao, Defa Wu, Hao Pang, Yipan Deng
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Publication number: 20220169527Abstract: The present invention provides the use of a lead (IV) containing compound to prepare a lead chalcogenide nanocrystal and a method for producing broadband lead chalcogenide nanocrystals in a low cost, size-controllable and scalable method, the method comprising contacting a lead (IV) containing compound with an organic acid and a chalcogen-containing reagent.Type: ApplicationFiled: March 25, 2020Publication date: June 2, 2022Applicant: QUANTUM SCIENCE LTDInventors: Hao PANG, Jie LI
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Publication number: 20220170811Abstract: The disclosure discloses a testing device and a testing system for high-pressure and large-scale gap dynamic sealing performance. The testing device includes a cylinder, first and second plunger rods and a piston rod. A first chamber is formed between an end of the first plunger rod and the cylinder, and a second chamber is formed between an end of the second plunger rod and the cylinder. The first chamber and the second chamber are provided with high-pressure liquid, and the two chambers communicate with each other. When being driven by a driving device, the piston rod drives the first and second plunger rods to reciprocate left and right. A plunger sleeve is disposed outside each of the first and second plunger rods. The plunger sleeve has a leakage port. When the first and second plunger rods reciprocate, the high-pressure liquid in the chambers leaks from the leakage port.Type: ApplicationFiled: November 29, 2021Publication date: June 2, 2022Applicant: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Yinshui Liu, Shendan Zhao, Defa Wu, Hao Pang, Yipan Deng
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Publication number: 20210354237Abstract: An apparatus for forming a laser beam can include a controllable spatial light modulator, a control device for controlling the light modulator, and a beam guiding optical unit, wherein the control device is configured to split a display plane of the light modulator into a plurality of display regions and to represent a first beam influencing structure in at least one first display region of the plurality of display regions and a second beam influencing structure in a second display region of the plurality of display regions, wherein the beam guiding optical unit is configured to cause the laser beam to interact along the direction of propagation thereof firstly with the first display region and then with the second display region.Type: ApplicationFiled: July 28, 2021Publication date: November 18, 2021Inventors: Malte Kumkar, Daniel Grossmann, Daniel Flamm, Hao Pang
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Patent number: 10683939Abstract: An ocean depth automatic compensation type full-ocean-depth hydraulic control water stop valve includes a valve body having an inlet and outlet on a side thereof; a valve sleeve assembly embedded in the valve body; and a valve core assembly. The valve sleeve assembly includes a spring cover; a pressure rod valve sleeve; a valve core cover; a valve seat; a pressing piece; a push rod valve sleeve base body; and a screw plug. The valve core assembly includes a pressure rod; a valve core; and a push rod.Type: GrantFiled: January 11, 2019Date of Patent: June 16, 2020Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Defa Wu, Chao Li, Yinshui Liu, Qian Cheng, Zhenyao Wang, Guang Luo, Yipan Deng, Hao Pang, Xiaomin Zhai
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Patent number: 10461224Abstract: A molded nanoparticle phosphor for light emitting applications is fabricated by converting a suspension of nanoparticles in a matrix material precursor into a molded nanoparticle phosphor. The matrix material can be any material in which the nanoparticles are dispersible and which is moldable. The molded nanoparticle phosphor can be formed from the matrix material precursor/nanoparticle suspension using any molding technique, such as polymerization molding, contact molding, extrusion molding, injection molding, for example. Once molded, the molded nanoparticle phosphor can be coated with a gas barrier material, for example, a polymer, metal oxide, metal nitride or a glass. The barrier-coated molded nanoparticle phosphor can be utilized in a light-emitting device, such as an LED. For example, the phosphor can be incorporated into the packaging of a standard solid state LED and used to down-convert a portion of the emission of the solid state LED emitter.Type: GrantFiled: August 10, 2018Date of Patent: October 29, 2019Assignee: Nanoco Technologies Ltd.Inventors: Imad Naasani, Hao Pang
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Patent number: 10329479Abstract: The surfaces of nanoparticles (QDs) are modified with amphiphilic macromolecules, for example, amphiphilic copolymers. The surface modification renders the QDs more compatible with oxygen-excluding matrices, such as epoxy resin, polyurethane resin, polyester resins or any hydrophilic inorganic/organic hybrid resin such as (meth)acrylate-functionalized polyhedral oligomeric silsesquioxane (POSS).Type: GrantFiled: November 7, 2017Date of Patent: June 25, 2019Assignee: Nanoco Technologies Ltd.Inventors: Cong-Duan Vo, Hao Pang, Imad Naasani
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Publication number: 20180346805Abstract: A molded nanoparticle phosphor for light emitting applications is fabricated by converting a suspension of nanoparticles in a matrix material precursor into a molded nanoparticle phosphor. The matrix material can be any material in which the nanoparticles are dispersible and which is moldable. The molded nanoparticle phosphor can be formed from the matrix material precursor/nanoparticle suspension using any molding technique, such as polymerization molding, contact molding, extrusion molding, injection molding, for example. Once molded, the molded nanoparticle phosphor can be coated with a gas barrier material, for example, a polymer, metal oxide, metal nitride or a glass. The barrier-coated molded nanoparticle phosphor can be utilized in a light-emitting device, such as an LED. For example, the phosphor can be incorporated into the packaging of a standard solid state LED and used to down-convert a portion of the emission of the solid state LED emitter.Type: ApplicationFiled: August 10, 2018Publication date: December 6, 2018Inventors: Imad Nasaani, Hao Pang
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Patent number: 10066158Abstract: A molded nanoparticle phosphor for light emitting applications is fabricated by converting a suspension of nanoparticles in a matrix material precursor into a molded nanoparticle phosphor. The matrix material can be any material in which the nanoparticles are dispersible and which is moldable. The molded nanoparticle phosphor can be formed from the matrix material precursor/nanoparticle suspension using any molding technique, such as polymerization molding, contact molding, extrusion molding, injection molding, for example. Once molded, the molded nanoparticle phosphor can be coated with a gas barrier material, for example, a polymer, metal oxide, metal nitride or a glass. The barrier-coated molded nanoparticle phosphor can be utilized in a light-emitting device, such as an LED. For example, the phosphor can be incorporated into the packaging of a standard solid state LED and used to down-convert a portion of the emission of the solid state LED emitter.Type: GrantFiled: January 17, 2013Date of Patent: September 4, 2018Assignee: Nanoco Technologies, Ltd.Inventors: Imad Naasani, Hao Pang
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Publication number: 20180057735Abstract: The surfaces of nanoparticles (QDs) are modified with amphiphilic macromolecules, for example, amphiphilic copolymers. The surface modification renders the QDs more compatible with oxygen-excluding matrices, such as epoxy resin, polyurethane resin, polyester resins or any hydrophilic inorganic/organic hybrid resin such as (meth)acrylate-functionalized polyhedral oligomeric silsesquioxane (POSS).Type: ApplicationFiled: November 7, 2017Publication date: March 1, 2018Inventors: Cong-Duan Vo, Hao Pang, Imad Naasani
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Publication number: 20160287000Abstract: Disclosed is a juice extractor, comprising: a base (100); a drive mechanism (200) installed in the base (100); and a juice extracting component (300) supported by and fixed on the base (100); wherein, the juice extracting component (300) comprises: a shell (700) having an opening part (710) on its top, a juice outlet (715), and a residue outlet (720); a first grinding plate (500) rotatably installed in the shell (700), the first grinding plate (500) includes a first body part (510) and a connecting part to connect to the drive mechanism, and the first body part (510) has a first grinding face (511) with first grinding teeth (513) arranged thereon; a second grinding plate (400) fixed in the shell (700), the second grinding plate (400) includes a second body part (410) with a second grinding face (411) opposite to the first grinding face (511).Type: ApplicationFiled: December 18, 2015Publication date: October 6, 2016Inventors: Donglei WANG, Fuhai YUAN, Hao PANG
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Publication number: 20150270455Abstract: A formulation incorporates nanoparticles, particularly quantum dot (QD) nanoparticles, into an optically clear medium (resin) to be used as a phosphor material in lighting and display applications, and as a down converting phosphor material in LEDs (light emitting diodes). The resin is compatible with QDs to allow high performance and stability of QD-based LEDs, lighting and display applications.Type: ApplicationFiled: June 9, 2015Publication date: September 24, 2015Inventors: Imad Naasani, Hao Pang, Siobhan S. Daniels, Emma Hogarth, Mark McCairn
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Patent number: 9082941Abstract: A formulation incorporates nanoparticles, particularly quantum dot (QD) nanoparticles, into an optically clear medium (resin) to be used as a phosphor material in lighting and display applications, and as a down converting phosphor material in LEDs (light emitting diodes). The resin is compatible with QDs to allow high performance and stability of QD-based LEDs, lighting and display applications.Type: GrantFiled: May 31, 2012Date of Patent: July 14, 2015Assignee: Nanoco Technologies, LTD.Inventors: Imad Naasani, Hao Pang, Siobhan S. Daniels, Emma Fitzgerald, Mark McCairn
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Patent number: D963188Type: GrantFiled: April 12, 2021Date of Patent: September 6, 2022Assignee: SHENZHEN QIANHAI PATUOXUN NETWORK AND TECHNOLOGY CO., LTD.Inventor: Hao Pang
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Patent number: D985523Type: GrantFiled: April 23, 2021Date of Patent: May 9, 2023Assignee: SHENZHEN QIANHAI PATUOXUN NETWORK AND TECHNOLOGY CO., LTD.Inventor: Hao Pang