Patents by Inventor Ronghua Liu
Ronghua Liu 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: 12203809Abstract: A chromaticity measurement method and device for calibration of a tiled LED display screen (A) having the advantages of convenience in operation and accurate measurement. The chromaticity measurement method includes: imaging emergent light from the tiled LED display screen (A) with an objective lens (1); receiving a light beam from the objective lens (1) with a transflective lens (2) and performing beam splitting to obtain a first light beam and a second light beam; receiving the first light beam with an imaging sensor (3) to obtain an original image; receiving the second light beam in a two-dimensional lattice form with a movable optical fiber array coupling device (4), and converting the second light beam into one-dimensional lattice light; and obtaining chromaticity information and spectrum information of a plurality of regions on the tiled LED display screen (A) according to the one-dimensional lattice light with a spectrum acquisition device (5).Type: GrantFiled: March 31, 2021Date of Patent: January 21, 2025Assignees: Wuhan Jingce Electronic Group Co., LTD, Wuhan Jingli Electronic Technology Co., LTDInventors: Changdong Ou, Zengqiang Zheng, Shiwen Luo, Zhikun Hong, Zhou Wang, Fan Zhong, Luning Liu, Xiaofan Feng, Ronghua Liu, Yafei Shen, Kai Chen
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Patent number: 12174461Abstract: An oleic acid-releasing contact lens is described as well as method of manufacturing the same. The oleic acid-releasing contact lens comprises a glycerophospholipid comprising an oleoyl group at the sn-2 position and sustains the release of oleic acid in the presence of sPLA2 enzyme present in human tears. The oleic acid-releasing contact lens can increase the duration of comfortable lens wearing time and/or reduce lens awareness events in a symptomatic contact lens wearer.Type: GrantFiled: September 25, 2023Date of Patent: December 24, 2024Assignee: COOPERVISION INTERNATIONAL LIMITEDInventors: Jing Ni, Ronghua Liu
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Patent number: 12153287Abstract: A fatty acid-releasing contact lens is described as well as method of manufacturing the same. The fatty acid-releasing contact lens comprises a glycerophospholipid loaded to the polymeric lens body and sustains the release of C12-C26 fatty acid after 1 hour in a release media comprising an sPLA2 enzyme solution. The fatty acid-releasing contact lens can be comfortably worn by a contact lens wearer and can increase the duration of comfortable lens wearing time and/or reduce lens awareness events in a contact lens wearer.Type: GrantFiled: September 21, 2023Date of Patent: November 26, 2024Assignee: COOPERVISION INTERNATIONAL LIMITEDInventors: Jing Ni, Ronghua Liu
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Patent number: 12127375Abstract: A pump drive device includes a box body and at least one drive pump. A liquid-phase zone module is arranged in the box body, and the drive pump is arranged in the liquid-phase zone module. A pump drive device liquid inlet, a pump drive device liquid outlet, a liquid supply port, and an exhaust port are arranged on the box body and are located outside the liquid-phase zone module. The drive pump is connected to the pump drive device liquid outlet through a delivery pipe. The pump drive device has a simple structure and a reasonable design. The pump drive device integrates driving, pressure stabilization, exhaust, cavitation prevention, liquid-level monitoring and warning, pressure monitoring and warning, temperature monitoring and warning, medium purification, and other functions, which achieves an integration, miniaturization, and lightweight design, well matches the application of liquid cooling system products in various industries.Type: GrantFiled: October 12, 2021Date of Patent: October 22, 2024Assignee: BEEHE ( TAICANG ) ELECTRIC CO., LTD.Inventors: Ronghua Liu, Ping Chen, Jiechuang Zhou
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Publication number: 20240337864Abstract: An oleic acid-releasing contact lens is described as well as method of manufacturing the same. The oleic acid-releasing contact lens comprises a glycerophospholipid comprising an oleoyl group at the sn-2 position and sustains the release of oleic acid in the presence of sPLA2 enzyme present in human tears. The oleic acid-releasing contact lens can increase the duration of comfortable lens wearing time and/or reduce lens awareness events in a symptomatic contact lens wearer.Type: ApplicationFiled: September 25, 2023Publication date: October 10, 2024Applicant: CooperVision International LimitedInventors: Jing NI, Ronghua LIU
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Publication number: 20240126101Abstract: A fatty acid-releasing contact lens is described as well as method of manufacturing the same. The fatty acid-releasing contact lens comprises a glycerophospholipid loaded to the polymeric lens body and sustains the release of C12-C26 fatty acid after 1 hour in a release media comprising an sPLA2 enzyme solution. The fatty acid-releasing contact lens can be comfortably worn by a contact lens wearer and can increase the duration of comfortable lens wearing time and/or reduce lens awareness events in a contact lens wearer.Type: ApplicationFiled: September 21, 2023Publication date: April 18, 2024Applicant: CooperVision International LimitedInventors: Jing NI, Ronghua LIU
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Publication number: 20240118559Abstract: An oleic acid-releasing contact lens is described as well as method of manufacturing the same. The oleic acid-releasing contact lens comprises a glycerophospholipid comprising an oleoyl group at the sn-2 position and sustains the release of oleic acid in the presence of sPLA2 enzyme present in human tears. The oleic acid-releasing contact lens can increase the duration of comfortable lens wearing time and/or reduce lens awareness events in a symptomatic contact lens wearer.Type: ApplicationFiled: September 21, 2023Publication date: April 11, 2024Applicant: CooperVision International LimitedInventors: Jing NI, Ronghua LIU
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Publication number: 20230314223Abstract: A chromaticity measurement method and device for calibration of a tiled LED display screen (A) having the advantages of convenience in operation and accurate measurement. The chromaticity measurement method includes: imaging emergent light from the tiled LED display screen (A) with an objective lens (1); receiving a light beam from the objective lens (1) with a transflective lens (2) and performing beam splitting to obtain a first light beam and a second light beam; receiving the first light beam with an imaging sensor (3) to obtain an original image; receiving the second light beam in a two-dimensional lattice form with a movable optical fiber array coupling device (4), and converting the second light beam into one-dimensional lattice light; and obtaining chromaticity information and spectrum information of a plurality of regions on the tiled LED display screen (A) according to the one-dimensional lattice light with a spectrum acquisition device (5).Type: ApplicationFiled: March 31, 2021Publication date: October 5, 2023Inventors: Changdong Ou, Zengqiang Zheng, Shiwen Luo, Zhikun Hong, Zhou Wang, Fan Zhong, Luning Liu, Xiaofan Feng, Ronghua Liu, Yafei Shen, Kai Chen
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Patent number: 11767374Abstract: A preparation of a homogeneous polysaccharide from a Radix Puerariae aqueous extract is provided and the lipid-lowering activity of the polysaccharide is studied. It is proved through in vivo experiments that the homogeneous polysaccharide QL extracted from Radix Puerariae (a genuine medicinal material in Jiangxi Province) in the present disclosure has significant lipid-lowering activity, can significantly reduce a serum triglyceride content and a liver index, and can be used to develop a potential safe and effective lipid-lowering drug.Type: GrantFiled: March 8, 2021Date of Patent: September 26, 2023Assignee: JIANGXI UNIVERSITY OF TRADITIONAL CHINESE MEDICINEInventors: Hui Ouyang, Quan Wen, WeiFeng Zhu, YuLin Feng, RongHua Liu, YongMei Guan, Kai Qian, Hui Du
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Publication number: 20220259331Abstract: A preparation of a homogeneous polysaccharide from a Radix Puerariae aqueous extract is provided and the lipid-lowering activity of the polysaccharide is studied. It is proved through in vivo experiments that the homogeneous polysaccharide QL extracted from Radix Puerariae (a genuine medicinal material in Jiangxi Province) in the present disclosure has significant lipid-lowering activity, can significantly reduce a serum triglyceride content and a liver index, and can be used to develop a potential safe and effective lipid-lowering drug.Type: ApplicationFiled: March 8, 2021Publication date: August 18, 2022Applicant: JIANGXI UNIVERSITY OF TRADITIONAL CHINESE MEDICINEInventors: Hui OUYANG, Quan WEN, WeiFeng ZHU, YuLin FENG, RongHua LIU, YongMei GUAN, Kai QIAN, Hui DU
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Publication number: 20220053662Abstract: A pump drive device includes a box body and at least one drive pump. A liquid-phase zone module is arranged in the box body, and the drive pump is arranged in the liquid-phase zone module. A pump drive device liquid inlet, a pump drive device liquid outlet, a liquid supply port, and an exhaust port are arranged on the box body and are located outside the liquid-phase zone module. The drive pump is connected to the pump drive device liquid outlet through a delivery pipe. The pump drive device has a simple structure and a reasonable design. The pump drive device integrates driving, pressure stabilization, exhaust, cavitation prevention, liquid-level monitoring and warning, pressure monitoring and warning, temperature monitoring and warning, medium purification, and other functions, which achieves an integration, miniaturization, and lightweight design, well matches the application of liquid cooling system products in various industries.Type: ApplicationFiled: October 12, 2021Publication date: February 17, 2022Applicant: BEEHE ( TAICANG ) ELECTRIC CO., LTD.Inventors: Ronghua LIU, Ping CHEN, Jiechuang ZHOU
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Patent number: 11081029Abstract: The invention discloses a method for evaluating a brightness measurement accuracy of a Demura equipment by generating a noise-added image by adding a random number to an original grayscale image and obtaining a measurement value corresponding to the added random number via the noise-added image displayed by the Demura equipment. The brightness measurement accuracy of the Demura equipment is evaluated based on a correlation between the measured value and the originally added random number to measure a brightness extraction performance of the Demura equipment. The method provided by the invention provides a quantitative and measurable determining method that may better reflect the actual performance of the Demura equipment.Type: GrantFiled: July 9, 2018Date of Patent: August 3, 2021Assignee: WUHAN JINGCE ELECTRONIC GROUP CO., LTD.Inventors: Xiaofan Feng, Zengqiang Zheng, Zhao Liu, Erwei Ma, Hongjun Wu, Ronghua Liu, Yafei Shen
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Publication number: 20200380897Abstract: The invention discloses a method for evaluating a brightness measurement accuracy of a Demura equipment by generating a noise-added image by adding a random number to an original grayscale image and obtaining a measurement value corresponding to the added random number via the noise-added image displayed by the Demura equipment. The brightness measurement accuracy of the Demura equipment is evaluated based on a correlation between the measured value and the originally added random number to measure a brightness extraction performance of the Demura equipment. The method provided by the invention provides a quantitative and measurable determining method that may better reflect the actual performance of the Demura equipment.Type: ApplicationFiled: July 9, 2018Publication date: December 3, 2020Applicant: WUHAN JINGCE ELECTRONIC GROUP CO., LTD.Inventors: Xiaofan FENG, Zengqiang ZHENG, Zhao LIU, Erwei MA, Hongjun WU, Ronghua LIU, Yafei SHEN
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Publication number: 20190237732Abstract: The disclosure relates to the field of lithium-ion batteries, and discloses a lithium-ion battery separator, a method for preparing same, and a lithium-ion battery. The lithium-ion battery separator includes: a porous basement membrane, and a heat-resistant layer covering at least one side surface of the porous basement membrane, where the heat-resistant layer contains a high-temperature-resistant polymer and inorganic nanometer particles; and the heat-resistant layer has a fiber-network shaped structure.Type: ApplicationFiled: August 14, 2017Publication date: August 1, 2019Inventors: Jialing HU, Ronghua LIU, Jun SHAN, Long HE
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Patent number: 9647293Abstract: A gel polymer composite electrolyte, a polymer lithium ion battery comprising the gel polymer composite electrolyte and methods of preparing the polymer lithium ion battery are provided. The gel polymer composite electrolyte is formed by swelling after a polymer membrane absorbs an electrolyte, wherein the polymer membrane is formed by thermocuring a polymer mixture comprising an acrylic emulsion, water and ammonia water, and the acrylic emulsion has a glass transition temperature ranging from about ?30° C. to about 50° C.Type: GrantFiled: August 28, 2013Date of Patent: May 9, 2017Assignee: BYD COMPANY LIMITEDInventors: Jun Shan, Ronghua Liu, Lina Jin
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Publication number: 20150171466Abstract: A gel polymer composite electrolyte, a polymer lithium ion battery comprising the gel polymer composite electrolyte and methods of preparing the polymer lithium ion battery are provided. The gel polymer composite electrolyte is formed by swelling after a polymer membrane absorbs an electrolyte, wherein the polymer membrane is formed by thermocuring a polymer mixture comprising an acrylic emulsion, water and ammonia water, and the acrylic emulsion has a glass transition temperature ranging from about ?30° C. to about 50° C.Type: ApplicationFiled: August 18, 2013Publication date: June 18, 2015Applicant: BYD COMPANY LIMITEDInventors: Jun Shan, Ronghua Liu, Lina Jin
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Patent number: 8658748Abstract: Silicone hydrogel contact lenses having ophthalmically acceptable levels of energy loss are described. The lenses are derived from a polymerizable composition including a first siloxane monomer represented by formula (1): wherein m of formula (1) represents one integer from 3 to 10, n of formula (1) represents one integer from 1 to 10, R1 of formula (1) is an alkyl group having from 1 to 4 carbon atoms, and each R2 of formula (1) is independently either a hydrogen atom or a methyl group; the lenses also include units derived from a second siloxane monomer which is a dual-end methacrylate end-capped polydimethylsiloxane having a number average molecular weight of at least 7,000 daltons. The average energy loss of the silicone hydrogel contact lenses is from about 30% to about 45% when the lenses are fully hydrated. Batches of silicone hydrogel contact lenses and methods of making silicone hydrogel contact lenses are also described.Type: GrantFiled: May 31, 2013Date of Patent: February 25, 2014Assignee: CooperVision International Holding Company, LPInventors: Ronghua Liu, Xinfeng Shi, Yuwen Liu, Charlie Chen, Ye Hong, Charles A. Francis, Li Yao, Arthur Back, Ying Zheng
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Publication number: 20130261216Abstract: Silicone hydrogel contact lenses having ophthalmically acceptable levels of energy loss are described. The lenses are derived from a polymerizable composition including a first siloxane monomer represented by formula (1): wherein m of formula (1) represents one integer from 3 to 10, n of formula (1) represents one integer from 1 to 10, R1 of formula (1) is an alkyl group having from 1 to 4 carbon atoms, and each R2 of formula (1) is independently either a hydrogen atom or a methyl group; the lenses also include units derived from a second siloxane monomer which is a dual-end methacrylate end-capped polydimethylsiloxane having a number average molecular weight of at least 7,000 daltons. The average energy loss of the silicone hydrogel contact lenses is from about 30% to about 45% when the lenses are fully hydrated. Batches of silicone hydrogel contact lenses and methods of making silicone hydrogel contact lenses are also described.Type: ApplicationFiled: May 31, 2013Publication date: October 3, 2013Applicant: CooperVision International Holding Company, LPInventors: Ronghua Liu, Xinfeng Shi, Yuwen Liu, Charlie Chen, Ye Hong, Charles A. Francis, Li Yao, Arthur Back, Ying Zheng
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Patent number: D894905Type: GrantFiled: August 13, 2018Date of Patent: September 1, 2020Inventor: Ronghua Liu
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Patent number: D953330Type: GrantFiled: June 29, 2021Date of Patent: May 31, 2022Inventor: Ronghua Liu