Patents by Inventor Li Qin
Li Qin 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: 20180335200Abstract: An LED tube lamp includes a lamp tube, two end caps, an LED light strip, a power supply, and a reflective film. At least a portion of an inner surface of the lamp tube is formed with a rough surface, and the roughness of the rough surface is higher than that of the outer surface. Each of the two end caps is coupled to a respective end of the lamp tube by a gel. The LED light strip is disposed on an inner surface of the lamp tube with a plurality of LED light sources mounted on the LED light strip. The power supply is disposed at one or two of the end caps. The power supply is electrically connected to the plurality of LED light sources. The reflective film is disposed on the inner surface of the lamp tube.Type: ApplicationFiled: August 1, 2018Publication date: November 22, 2018Inventors: Tao Jiang, Li-Qin Li
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Publication number: 20180333219Abstract: A radiopaque structure and an implanted medical instrument having the radiopaque structure. The radiopaque structure includes at least one radiopaque unit, and each radiopaque unit includes at least one radiopaque object. In at least one incidence direction of a light source, all the radiopaque objects in the radiopaque structure are divided into n regions according to the thickness in the incidence direction, and a projection area Sm of m regions of the n regions and an effective thickness dm of the m regions meet Sm?0.0136(dm)a?0, wherein ?0.95?a??0.85 and 1?m?n. The radiopaque structure has good or excellent visibility.Type: ApplicationFiled: June 14, 2016Publication date: November 22, 2018Applicant: LIFETECH SCIENTIFIC (SHENZHEN) CO., LTDInventors: Wenjiao LIN, Li QIN
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Publication number: 20180320831Abstract: An LED tube lamp comprises a lamp tube, two end caps attached at two ends of the lamp tube respectively, a power supply disposed in one of the two end caps or separately in both of the end caps, an LED light strip disposed inside the lamp tube and a protective layer disposed on the LED light strip. The LED light strip comprises a mounting region and a connecting region. The plurality of LED light sources is mounted on the mounting region and two soldering pads are disposed on the connecting region. The mounting region and the connecting region are electrically connecting the plurality of LED light sources with the power supply. The protective layer comprises a plurality of first openings arranged on the mounting region for accommodating the LED light sources and two second openings are arranged on the connecting region for accommodating the two soldering pad.Type: ApplicationFiled: June 19, 2018Publication date: November 8, 2018Inventors: LI-QIN LI, TAO JIANG, CHANG YANG, BAO WANG
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Publication number: 20180303971Abstract: Absorbable iron-based alloy implanted medical device and manufacturing method thereof. The iron-based alloy implanted medical device comprises an iron-based alloy substrate (11), a degradable polymer layer (13) disposed on a surface of the iron-based alloy substrate (11), and a tannic acid chemical conversion film (12) disposed on a surface of the iron-based alloy substrate (11). After the medical device is implanted into a body, the tannic acid chemical conversion film (12) is configured to protect the iron-based alloy substrate (11) coated thereby from being in contact with a body fluid, thereby ensuring that the device meets a clinical mechanical property requirement in the early stage of implantation. Furthermore, the iron-based alloy implanted medical device has a decreased size, and produces a decreased amount of a corrosive product after being implanted, facilitating faster absorption or elimination of the corrosive product.Type: ApplicationFiled: June 7, 2016Publication date: October 25, 2018Applicant: Lifetech Scientific (Shenzhen) Co., Ltd.Inventors: Haiping QI, Ziqiang LIU, Li QIN, Deyuan ZHANG, Wenjiao LIN
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Publication number: 20180280584Abstract: An absorbable implantable medical device made of iron-based alloy, including a base made of iron-based alloy and a complex, wherein the complex includes a complexing agent. In a physiological solution, the base made of iron-based alloy can react with the complexing agent to generate a water-soluble iron complex having solubility in the physiological solution of no less than 10 mg/L. A corrosion product generated after the absorbable implantable medical device made of iron-based alloy is implanted in a human body can be quickly metabolized/absorbed by the body.Type: ApplicationFiled: June 14, 2016Publication date: October 4, 2018Applicant: LIFETECH SCIENTIFIC (SHENZHEN) CO., LTDInventors: Deyuan ZHANG, Haiping QI, Wenjiao LIN, Gui ZHANG, Li QIN
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Publication number: 20180264178Abstract: An absorbable iron-based alloy implantable medical device includes an iron-based alloy matrix, a degradable polymer coating disposed on the surface of the iron-based alloy matrix, and a corrosion inhibition layer disposed on the surface of the iron-based alloy matrix. The corrosion inhibition layer can delay early-stage corrosion of the iron-based alloy matrix, ensure mechanical performance of a medical device in the early stage of the implantation, prevent degradation of a polymer in the early stage of the implantation of the medical device, and reduce the usage of the degradable polymer, thereby reducing risks of inflammatory reactions.Type: ApplicationFiled: June 8, 2016Publication date: September 20, 2018Applicant: LIFETECH SCIENTIFIC (SHENZHEN) CO., LTDInventors: Wenjiao LIN, Li QIN, Deyuan ZHANG, Hongtao SUN, Gui ZHANG
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Patent number: 10058639Abstract: The invention discloses an absorbable iron-based alloy stent, comprising an iron-based alloy substrate and a degradable polyester in contact with the surface of the substrate, in which the degradable polyester has a weight average molecular weight of between 20,000 and 1,000,000 and a polydispersity index of between 1.2 and 30. With the degradable polyester, the iron-based alloy is capable of corroding rapidly and controllably within a predetermined period. Following implantation into the human body, the degradable stent serves as a mechanical support at early stage, then gradually degrading and being metabolized and absorbed by the human body. During the process of degradation, minimal or no solid product is produced. Ultimately, the configuration of the lumen with an implanted stent as well as the systolic and diastolic functions thereof return to their natural states.Type: GrantFiled: October 31, 2014Date of Patent: August 28, 2018Assignee: Lifetech Scientific (Shenzhen) Co. Ltd.Inventors: Deyuan Zhang, Hongtao Sun, Liping Chen, Haiping Qi, Wenjiao Lin, Li Qin
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Patent number: 10047932Abstract: An LED tube light which includes LED light sources mounted in LED leadframes is disclosed. The LED leadframe has a recess, a first sidewall and a second sidewall. Each LED light source includes an LED leadframe and an LED chip, in which LED chip is disposed in recess of LED leadframe. A height of first sidewall of LED leadframe is lower than a height of second sidewall thereof. Inner surface of the first sidewall is a sloped flat or curved surface facing towards outside the recess. First sidewalls of the LED leadframe are arranged along a length direction of the light tube, and second sidewalls of the LED leadframe are arranged along a width direction of the light tube. The LED tube light further includes an LED light bar. The LED light sources together with the LED leadframes are mounted on the LED light bar.Type: GrantFiled: May 30, 2015Date of Patent: August 14, 2018Assignee: Jiaxing Super Lighting Electric Appliance Co., Ltd.Inventors: Tao Jiang, Li-Qin Li
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Patent number: 10024503Abstract: An LED tube lamp comprises a plurality of LED light sources, an end cap, a power supply disposed in the end cap, a lamp tube, and an LED light strip. The lamp tube extends in a first direction along a length of the lamp tube, and has an end attached to the end cap. LED light strip is electrically connected the LED light sources with the power supply. The LED light strip has in sequence a first wiring layer, a dielectric layer and a second wiring layer. A thickness of the second wiring layer is greater than a thickness of the first wiring layer.Type: GrantFiled: February 24, 2017Date of Patent: July 17, 2018Assignee: JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO., LTD.Inventors: Li-Qin Li, Tao Jiang, Chang Yang, Bao Wang
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Publication number: 20180164502Abstract: A luminescent photonic structure that comprises a luminescent material that when excited by an excitation light having a wavelength within an excitation wavelength spectrum of the luminescent material emits luminescent light having a luminescence wavelength spectrum. The luminescent photonic structure comprises a photonic crystal disposed between two other photonic crystals. The photonic crystal has a photonic lattice period within one of the luminescence wavelength spectrum and the excitation wavelength spectrum. The two other photonic crystals each have a photonic lattice period within the other of the luminescence wavelength spectrum and the excitation wavelength spectrum for reflecting one of excitation light and luminescent light propagating within the photonic crystal.Type: ApplicationFiled: June 14, 2016Publication date: June 14, 2018Inventors: Li QIN, Ehsan EFTEKHARI, Dave KIELPINSKI
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Publication number: 20180142364Abstract: An oxygen evolution catalyst of the formula: Sr2MCoO5 where M=Al, Ga wherein M is bonded with four oxygen atoms to form a tetrahedron. The catalyst is operated at a potential of less than 1.58 volts vs. RHE at a current density of 50 ?A/cm2 for a pH of 7-13. The catalyst is operated at a potential of less than 1.55 volts vs. RHE at a current density of 50 ?A/cm2 and a pH of 13. The oxygen evolution catalyst of the formula: Sr2GaCoO5 wherein the catalyst is operated at a potential of less than 1.53 volts vs. RHE at a current density of 50 ?A/cm2 and a pH of 7. The oxygen evolution catalyst of formula: Sr2GaCoO5 wherein the catalyst maintains a current within 94% after 300 minutes at a potential of 1.645 volts vs. RHE wherein the current is greater than 1 milliamp and a pH of 7.Type: ApplicationFiled: February 28, 2017Publication date: May 24, 2018Inventors: Li Qin Zhou, Krishna Reddy Gunugunuri, Chen Ling, Hongfei Jia
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Patent number: 9964263Abstract: An LED tube lamp includes a lamp tube, an LED light bar disposed inside the lamp tube with a plurality of LED light sources provided on the LED light bar, a diffusion film layer disposed inside the lamp tube and configured to transmit the light emitted from the LED light sources, and a reflective film layer disposed on an inner circumferential surface of the lamp tube. The reflective film layer is configured to partially occupy the inner circumferential surface of the lamp tube along a longitudinal direction and a circumferential direction of the lamp tube, and the diffusion film layer is a sheet disposed to cover the LED light sources without making direct contact with the LED light sources.Type: GrantFiled: January 24, 2017Date of Patent: May 8, 2018Assignee: Jiaxing Super Lighting Electric Appliance Co., Ltd.Inventors: Li-Qin Li, Xiao-Su Yang, Yue-Qiang Zhang
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Publication number: 20180031186Abstract: An LED tube lamp comprises a plurality of LED light sources, an end cap, a power supply disposed in the end cap, a lamp tube, and an LED light strip. The lamp tube extends in a first direction along a length of the lamp tube, and has an end attached to the end cap. The LED light strip is electrically connected the LED light sources with the power supply. The LED light strip has in sequence a first wiring layer, a dielectric layer and a second wiring layer. A thickness of the second wiring layer is greater than a thickness of the first wiring layer.Type: ApplicationFiled: September 29, 2017Publication date: February 1, 2018Inventors: LI-QIN LI, TAO JIANG, CHANG YANG, BAO WANG
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Patent number: 9851073Abstract: An LED tube light, including LED light sources, end cap, a light tube, a diffusion film layer and a reflective film layer is provided herein. Diffusion film layer is disposed above LED light sources so that light emitted from LED light sources are transmitted through diffusion film layer and light tube. Diffusion film layer can also be optical diffusion coating coated on wall of light tube, and coated to an outer surface of rear end region of light tube, a hot melt adhesive is bonded to outer surface of optical diffusion coating to generate increased frictional resistance between end cap and the light tube. Reflective film layer is disposed on inner circumferential surface of light tube, and occupying a portion of inner circumferential surface of light tube along circumferential direction thereof. LED light sources are disposed above or adjacently to one side of reflective film layer.Type: GrantFiled: May 30, 2015Date of Patent: December 26, 2017Assignee: Jiaxing Super Lighting Electric Appliance Co., Ltd.Inventors: Tao Jiang, Li-Qin Li
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Patent number: 9847470Abstract: A thermoelectric material is provided. The material can be a grain boundary modified nanocomposite that has a plurality of bismuth antimony telluride matrix grains and a plurality of zinc oxide nanoparticles within the plurality of bismuth antimony telluride matrix grains. In addition, the material has zinc antimony modified grain boundaries between the plurality of bismuth antimony telluride matrix grains.Type: GrantFiled: July 13, 2012Date of Patent: December 19, 2017Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.Inventors: Michael Paul Rowe, Li Qin Zhou, Minjuan Zhang, Debasish Banerjee
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Patent number: 9810824Abstract: A multilayer thin film that reflects an omnidirectional high chroma red structural color. The multilayer thin film may include a reflector layer, at least one absorber layer extending across the reflector layer, and an outer dielectric layer extending across the at least one absorber layer. The multilayer thin film reflects a single narrow band of visible light when exposed to white light and the outer dielectric layer has a thickness of less than or equal to 2.0 quarter wave (QW) of a center wavelength of the single narrow band of visible light.Type: GrantFiled: May 2, 2016Date of Patent: November 7, 2017Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.Inventors: Debasish Banerjee, Li Qin Zhou
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Patent number: 9765305Abstract: The present disclosure provides mutant vaccinia virus strains that can selectively replicate in tumor cells. The present disclosure also provides use of the mutant vaccinia virus strains for preventing and treating tumors.Type: GrantFiled: September 23, 2015Date of Patent: September 19, 2017Assignee: TOT SHANGHAI R&D CENTER CO., LTD.Inventors: Li Qin, Min Liang, David H. Evans
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Patent number: 9739917Abstract: A multilayer stack displaying a red omnidirectional structural color. The multilayer stack includes a reflector layer, a dielectric layer extending across the reflector layer, and an absorbing layer extending across the dielectric layer. The dielectric layer reflects more than 70% of incident white light that has a wavelength greater than 580 nanometers (nm). In addition, the absorbing layer absorbs more than 70% of the incident white light with a wavelength less than 580 nm. In combination, the reflector layer, dielectric layer, and absorbing layer form an omnidirectional reflector that reflects a narrow band of electromagnetic radiation with a center wavelength between 580-680 nm, has a width of less than 200 nm wide and a color shift of less than 100 nm when the reflector is viewed from angles between 0 and 45 degrees.Type: GrantFiled: December 23, 2013Date of Patent: August 22, 2017Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki KaishaInventors: Debasish Banerjee, Minjuan Zhang, Masahiko Ishii, Li Qin Zhou, Yumi Kato
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Publication number: 20170227169Abstract: An LED light bulb includes a bulb shell, a bulb base, a stem, conductive supports, an LED filament, and a supporting arm. The bulb base is connected to the bulb shell. The stem is connected to the bulb base. The conductive supports are connected to the stem. The LED filament includes a filament body and two conductive electrodes. The conductive electrodes are at two ends of the filament body and connected to the conductive supports. The filament body is around the stem. The supporting arm is connected to the stem and the filament body. In a height direction of the LED light bulb, H is a distance from a bottom to a top of the bulb shell. A first height difference is defined between the two conductive electrodes and is from 0 to 1/10H. The filament body is curved to form a highest point and a lowest point. A second height difference is defined between the highest point and the lowest point. The first height difference is less than the second height difference.Type: ApplicationFiled: April 27, 2017Publication date: August 10, 2017Inventors: TAO JIANG, LI-QIN LI
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Publication number: 20170211753Abstract: An LED tube lamp includes a glass tube, a plurality of LED light sources, two end caps respectively sleeving two end portions of the glass tube, a power supply in one of the end caps or separately in both of the end caps, and an LED light strip in the glass tube. The plurality of LED light sources is on the LED light strip. Each of the end caps comprises a plurality of openings formed thereon. The plurality of openings dissipating heat resulted from the power supply are divided into two sets. The two sets of the plurality of openings are symmetric to each other with respect to a virtual central axis of the end cap.Type: ApplicationFiled: April 10, 2017Publication date: July 27, 2017Inventors: TAO JIANG, HONG XU, LI-QIN LI, CHANG YANG