Patents by Inventor Bo Qin

Bo 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).

  • Publication number: 20210132284
    Abstract: A light guide plate, a backlight module and a display device are disclosed. The light guide plate includes: a first optical path control layer, a second optical path control layer, and a light guide layer that are sequentially stacked. A plurality of prism structures are provided on a side of the first optical path control layer distal to the second optical path control layer. The first optical path control layer, the second optical path control layer, and the light guide layer all extend in a first direction. The first optical path control layer is configured to deflect the light that enters the first optical path control layer from the light guide layer through the second optical path control layer, so that the deflected light passes through the second optical path control layer and is emitted from the light exit surface of the light guide layer.
    Type: Application
    Filed: July 30, 2020
    Publication date: May 6, 2021
    Inventors: Hai Tang, Liang Gao, Jianwei Qin, Lu Gao, Bo Han
  • Publication number: 20210064988
    Abstract: A method for calculating the reliability of the thermal error model of a machine tool based on deep neural network (DNN) and the Monte Carlo method, which belongs to the field of the thermal error compensation of computer numerical control (CNC) machine tools. Firstly, according to the probability distribution of the thermal parameters and thermal error model, a set of data for training the DNN is generated. Next, the DNN is constructed based on the deep belief networks (DBNs) and trained with the training data. Then, a group of random sampling data is obtained according to the probability distribution of the thermal characteristic parameters of the machine tool, and the group of random sampling is taken as the input and the output is obtained by the trained depth neural network. Finally, the reliability of the thermal error model is calculated based on the Monte Carlo method.
    Type: Application
    Filed: February 26, 2019
    Publication date: March 4, 2021
    Inventors: Kuo LIU, Yongqing WANG, Xu LI, Bo QIN, Yongquan GAN, Dawei LI, Haining LIU
  • Publication number: 20210048793
    Abstract: A spindle thermal error compensation method which is insensitive to the disturbance of the cooling system is provided, belonging to the technical field of error compensation in numerical control machine tools. First, the spindle model coefficient identification test, based on multi-state speed variable, is performed; after which, based on the correlation analysis between temperature and thermal error, the temperature measurement point, significantly correlated with the axial thermal error of the spindle, is determined. Next, a spindle thermal error model is established, which is insensitive to the cooling system disturbance. In addition, the coefficients in the model are identified under constraint condition, according to the nonlinear quadratic programming algorithm. Finally, based on the OPC UA communication protocol, the compensation value, as calculated by the model, is input to the numerical control system, in order to realize the compensation of the spindle thermal error.
    Type: Application
    Filed: February 21, 2019
    Publication date: February 18, 2021
    Inventors: Kuo LIU, Bo QIN, Xu LI, Yongquan GAN, Wei HAN, Renjie HUANG, Yongqing WANG
  • Publication number: 20210030923
    Abstract: The present application discloses a biological valve material which is a swim bladder derived biological valve material. The present application also discloses a method for preparing the biological valve material, includes: decellularizing a raw swim bladder; and cross-linking the decellularized swim bladder with a cross-linking agent. The present application also discloses use of the biological valve material, wherein the biological valve material is used for preparing one or more of a biological heart valve, a biological patch, and an artificial blood vessel. The present application also discloses a cross-linking agent for a bio-based material, including a cross-linking compound and an organic solvent. The cross-linking compound includes a polyphenol compound. The present application also discloses use of the cross-linking agent, wherein the cross-linking agent is used to cross-link the bio-based material after the decellularization treatment.
    Type: Application
    Filed: June 24, 2019
    Publication date: February 4, 2021
    Inventors: ZHI-HONG WANG, JING LIU, XI-GANG LENG, DE-LING KONG, YI-BO QIN
  • Publication number: 20210026319
    Abstract: A self-adaptive compensation method for feed axis thermal error, which belongs to the field of error compensation in NC machine tools. First, based on laser interferometer and temperature sensor, the feed axis thermal error test is carried out; following, the thermal error prediction model, based on the feed axis thermal error mechanism, is established and the thermal characteristic parameters in the model are identified, based on the thermal error test data; next, the parameter identification test is carried out, under the preload state of the nut; next, the adaptive prediction model is established, based on the thermal error prediction model, while the parameters in the measurement model are identified; finally, adaptive compensation of thermal errors is performed, based on the adaptive error prediction model, according to the generated feed axis heat.
    Type: Application
    Filed: February 21, 2019
    Publication date: January 28, 2021
    Inventors: Kuo LIU, Yongqing WANG, Jiakun WU, Haining LIU, Mingrui SHEN, Bo QIN, Haibo LIU
  • Publication number: 20200306736
    Abstract: A modified Y-type molecular sieve contains 0.5-2 wt. % of Na2O based on the total amount of the modified Y-type molecular sieve. In the modified Y-type molecular sieve, the ratio between the total acid amount measured by pyridine and infrared spectrometry and total acid amount measured by n-butyl pyridine and infrared spectrometry is 1-1.2. The total acid amount measured by pyridine and infrared spectrometry of the modified Y-type molecular sieve is 0.1-1.2 mmol/g. The acid center sites of the molecular sieve of the modified Y-type molecular sieve are distributed in the large pore channels. The molecular sieve is used in the hydrocracking reaction process of a wax oil.
    Type: Application
    Filed: November 29, 2017
    Publication date: October 1, 2020
    Inventors: Wei LIU, Minghua GUAN, Yanze DU, Fenglai WANG, Bo QIN, Hang GAO
  • Publication number: 20200115768
    Abstract: Provided is a production process for powdered sugar and liquid syrup, comprising the steps of primary pressing sugar cane juice extraction, three-stage physical filtration, and sugar boiling, wherein the step of the three-stage physical filtration respectively uses a sieve plate, a bagasse separator and a micro-filtration membrane for filtration. The bagasse separator comprises a screen cylinder transversely arranged inside a separation bin. The inlet and outlet of the screen cylinder are respectively connected to a feeding bin and a discharging bin. A juice outlet and a bagasse outlet are respectively provided under the separation bin and the discharging bin. A propeller blade component is provided inside the screen cylinder. The propeller blade component is formed by combining vertical mixing blades with helical blades.
    Type: Application
    Filed: March 10, 2017
    Publication date: April 16, 2020
    Applicant: GUANGXI YEMAO DRINKING & FOOD CO., LTD.
    Inventors: LI-NA YE, JIA-QUAN CHEN, HE-GUANG WEI, HAI-XIN HUANG, BO QIN
  • Publication number: 20200056265
    Abstract: Provided are a method and a system for processing a rare earth concentrate ore. The method comprises (1) mixing the rare earth concentrate ore and concentrated sulfuric acid, thereby obtaining a mixed slurry and a first fluorine-containing gas; (2) mixing the mixed slurry and an initiator liquid for acidolysis, thereby obtaining a clinker and a second fluorine-containing gas; (3) subjecting the clinker to leaching with water, thereby obtaining a leached slurry; (4) subjecting the leached slurry to a solid-liquid separation, thereby obtaining a filtrate and a leached slag, and recycling the leached slag to step (2) for acidolysis again.
    Type: Application
    Filed: October 25, 2019
    Publication date: February 20, 2020
    Inventors: Jianwen TANG, Guoshan DU, Pengfei XIAN, Shuang QIU, Wenlong ZHOU, Bo QIN
  • Publication number: 20200056261
    Abstract: Provided is a device for continuously decomposing a rare earth concentrate ore. The device includes a body, a bidirectional propeller and a driving assembly. The body has a material inlet, two liquid inlets and two exhaust gas outlets disposed at the top of the body, two material outlets disposed at the bottom of the body and a heat preservation chamber provided inside a side wall of the body. The bidirectional propeller is provided in the body and extends along a length direction of the body. The driving assembly is connected to the rotating shaft.
    Type: Application
    Filed: October 25, 2019
    Publication date: February 20, 2020
    Inventors: Jianwen TANG, Guoshan DU, Pengfei XIAN, Shuang QIU, Wenlong ZHOU, Bo QIN
  • Publication number: 20190330638
    Abstract: This document provides methods and materials involved in treating cancer. For example, methods and materials for using an inhibitor of UFM1 activity or expression and/or an inhibitor of UFL1 activity or expression to reduce a cancer cell's ability to carry out a DDR, thereby increasing the sensitivity of cancer cells to treatment with a DNA damaging therapy such as radiation or chemotherapy, are provided.
    Type: Application
    Filed: January 9, 2018
    Publication date: October 31, 2019
    Applicant: Mayo Foundation for Medical Education and Research
    Inventors: Zhenkun Lou, Bo Qin
  • Patent number: 10391479
    Abstract: The present disclosure provides a hydrocracking catalyst, a method for preparing the same and a use of the same, and a method for hydrocracking catalytic diesel oil. The catalyst comprises a support, an active metal component, and carbon, wherein, based on the total weight of the catalyst, the content of the support is 60 to 90 wt %, the content of the active metal component calculated in metal oxides is 15 to 40 wt %, and the content of carbon calculated in C element is 1 to 5 wt %; measured with an infrared acidimetric estimation method, the acid properties of the hydrocracking catalyst are: the total infrared acid amount is 0.4 to 0.8 mmol/g, wherein, the infrared acid amount of strong acid with desorption temperature greater than 350° C. is 0.08 mmol/g or lower, and the ratio of the total infrared acid amount to the infrared acid amount of strong acid with desorption temperature greater than 350° C. is 5 to 50.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: August 27, 2019
    Assignees: China Petroleum & Chemical Corporation, Fushun Research Institute of Petroleum and Petrochemicals, SINOPEC CORP.
    Inventors: Wei Liu, YanZe Du, Bo Qin, FengLai Wang, XiaoPing Zhang, Hang Gao
  • Publication number: 20190069404
    Abstract: A printed circuit board comprises a base, a circuit layer, a circuit layer, a first insulating layer, and a second insulating layer. The circuit layer is on the base. The first insulating layer has a pattern, the first insulating layer is fixed on the base. The pattern of the first insulating layer matches a pattern of the circuit layer. The second insulating layer is laminated on the circuit layer and the first insulating layer. Openings are defined in the second insulating layer, the circuit layer is exposed from the openings.
    Type: Application
    Filed: December 6, 2017
    Publication date: February 28, 2019
    Inventors: MENG-LU JIA, HAO-WEN ZHONG, HAI-BO QIN
  • Publication number: 20190030139
    Abstract: Materials and methods for modulating activity of kinases such as AMPK and mTOR via the deubiquitinase, USP10, are provided herein. Also provided are materials and methods for treating clinical conditions mediated at least in part by such kinases, including obesity, diabetes, metabolic syndrome, and some cancers.
    Type: Application
    Filed: January 20, 2017
    Publication date: January 31, 2019
    Applicant: Mayo Foundation for Medical Education and Research
    Inventors: Zhenkun LOU, Min DENG, Bo QIN
  • Patent number: 10112840
    Abstract: The present invention discloses a modified Y molecular sieve, a preparation method and a use of the modified Y molecular sieve, a supported catalyst, and a hydrocracking method. The silica-alumina mole ratio in the surface layer of the modified Y molecular sieve is 20-100:1, and the silica-alumina mole ratio in the body phase of the modified Y molecular sieve is 8-30:1. When a hydrocracking catalyst prepared from the modified Y molecular sieve is used for hydrocracking, the hydrocracking catalyst has higher reactivity and higher nitrogen tolerance. The hydrocracking catalyst prepared from the modified Y molecular sieve is suitable for use for increasing the yield of diesel oil, increasing the yield of chemical materials, and catalyzed hydrogenation conversion of diesel oil, etc.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: October 30, 2018
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, FUSHUN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS SINOPEC CORP.
    Inventors: Wei Liu, MingHua Guan, Yanze Du, Fenglai Wang, Chang Liu, Bo Qin
  • Patent number: 10010001
    Abstract: A circuit board comprises a third conductive circuit layer, a third insulating layer, a first insulating layer, a first conductive circuit layer, a substrate, a second conductive circuit layer, a second insulating layer, a fourth insulating layer, and a fourth conductive circuit layer in that order from top to bottom. The circuit board defines at least one first conductive hole and at least one second conductive hole. Each one of the first conductive hole comprises a first conductive blind hole, and a third conductive blind hole aligned with and electrically connected to the first conductive blind hole. Each one of the second conductive hole comprises a second conductive blind hole, and a fourth conductive blind hole aligned with and electrically connected to the second conductive blind hole. A method for making the circuit board is also provided.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: June 26, 2018
    Assignees: Avago Holding (Shenzhen) Co., Limited., HongQiSheng Precision Electronics (QinHuangDao) Co
    Inventors: Meng-Lu Jia, Hai-Bo Qin
  • Patent number: 9863015
    Abstract: A manufacturing method for strip casting 550 MPa-grade high strength atmospheric corrosion-resistant steel strip, comprising the following steps: 1) smelting, where the chemical composition of a molten steel is that: C is between 0.03-0.08%, Si?0.4%, Mn is between 0.6-1.5%, P is between 0.07-0.22%, S?0.01%, N?0.012%, Cu is between 0.25-0.8%, Cr is between 0.3-0.8%, and Ni is between 0.12-0.4%, additionally, also comprised is at least one micro-alloying element among Nb, V, Ti, and Mo, where Nb is between 0.01-0.08%, V is between 0.01-0.08%, Ti is between 0.01-0.08%, and Mo is between 0.1-0.4%, and where the remainder is Fe and unavoidable impurities; 2) strip casting, where a 1-5 mm-thick cast strip is casted directly; 3) cooling the strip, where the cooling rate is greater than 20° C./s; 4) online hot rolling the cast strip, where the hot rolling temperature is between 1050-1250° C.
    Type: Grant
    Filed: February 18, 2013
    Date of Patent: January 9, 2018
    Assignee: Baoshan Iron & Steel Co., Ltd.
    Inventors: Xiufang Wang, Yuan Fang, Yan Yu, Jianchun Wu, Bo Qin
  • Patent number: 9837516
    Abstract: In one embodiment, a bi-directional punch-through semiconductor device can include: a first transistor in a first region of a semiconductor substrate of a first conductivity type, where the first transistor includes a semiconductor buried layer of a second conductivity type in the semiconductor substrate, and a first epitaxy region of an epitaxy semiconductor layer above the semiconductor buried layer, the semiconductor buried layer being configured as a base of the first transistor; and a second transistor coupled in parallel with the first transistor, where the second transistor is in a second region of the semiconductor substrate of the first conductivity type, where the second transistor comprises a second epitaxy region of the epitaxy semiconductor layer above the semiconductor substrate, and a first doped region of the second conductivity type in the second epitaxy region, the first doped region being configured as a base of the second transistor.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: December 5, 2017
    Assignee: Silergy Semiconductor Technology (Hangzhou) LTD
    Inventors: Fei Yao, Shijun Wang, Bo Qin
  • Patent number: 9819176
    Abstract: A low capacitance transient voltage suppressor is disclosed. The transient voltage suppressor comprises a first diode with a first anode thereof coupled to an I/O port. A first cathode of the first diode and a second cathode of a second diode are respectively coupled to two ends of a resistor. A second anode of the second diode is coupled to a low-voltage terminal. A third anode and a third cathode of a third diode are respectively coupled to the second cathode and the resistor. The third diode induces a third parasitic capacitance smaller than a first capacitance of the first diode and a second parasitic capacitance of the second diode, and the third parasitic capacitance in series with the first and second parasitic capacitances dominate a small capacitance in a path during normal operation.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: November 14, 2017
    Assignee: Silergy Semiconductor Technology (Hangzhou) LTD
    Inventors: Albert Z. Wang, Wen-Chin Wu, Fei Yao, Bo Qin
  • Patent number: 9790566
    Abstract: A manufacturing method for strip casting 700 MPa-grade high strength atmospheric corrosion-resistant steel, comprising the following steps: 1) smelting, where the chemical composition of a molten steel in terms of weight percentage is that C is between 0.03-0.1%, Si?0.4%, Mn is between 0.75-2.0%, P is between 0.07-0.22%, S?0.01%, N?0.012%, Cu is between 0.25-0.8%, Cr is between 0.3-0.8%, and Ni is between 0.12-0.4%, additionally, also comprised is at least one micro-alloying element among Nb, V, Ti, and Mo, where Nb is between 0.01-0.1%, V is between 0.01-0.1%, Ti is between 0.01-0.1%, and Mo is between 0.1-0.5%, and where the remainder is Fe and unavoidable impurities; 2) strip casting, where a 1-5 mm-thick cast strip is casted directly; 3) cooling the cast strip, where the cooling rate is greater than 20° C./s; 4) online hot rolling the cast strip, where the hot rolling temperature is between 1050-1250° C.
    Type: Grant
    Filed: February 18, 2013
    Date of Patent: October 17, 2017
    Assignee: Baoshan Iron & Steel Co., Ltd.
    Inventors: Xiufang Wang, Yuan Fang, Yan Yu, Jianchun Wu, Bo Qin
  • Publication number: 20170243965
    Abstract: In one embodiment, a bi-directional punch-through semiconductor device can include: a first transistor in a first region of a semiconductor substrate of a first conductivity type, where the first transistor includes a semiconductor buried layer of a second conductivity type in the semiconductor substrate, and a first epitaxy region of an epitaxy semiconductor layer above the semiconductor buried layer, the semiconductor buried layer being configured as a base of the first transistor; and a second transistor coupled in parallel with the first transistor, where the second transistor is in a second region of the semiconductor substrate of the first conductivity type, where the second transistor comprises a second epitaxy region of the epitaxy semiconductor layer above the semiconductor substrate, and a first doped region of the second conductivity type in the second epitaxy region, the first doped region being configured as a base of the second transistor.
    Type: Application
    Filed: May 5, 2017
    Publication date: August 24, 2017
    Inventors: Fei Yao, Shijun Wang, Bo Qin