Patents by Inventor Zhenyu Han

Zhenyu Han 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: 20210225510
    Abstract: Disclosed is a human body health assessment method and assessment system based on sleep big data. The method and the system acquire biometric data of a human body in a long-term, stable, and ever-increasing manner, and clearly and definitely describe the physical conditions of a human being and predict future health thereof using advanced data mining technology. The method comprises: acquiring, by a sensor mounted on a bed, various physiological data of a human body during sleep and storing the same to a cloud server; and obtaining a physiological evaluation index using an artificial intelligence learning model and generating a health status analysis report of the human body. By acquiring the data of the sensor mounted on the bed, data training of the artificial intelligence learning model is performed, to allow the model to automatically learn features related to the health of the human body.
    Type: Application
    Filed: August 17, 2018
    Publication date: July 22, 2021
    Inventors: Xiangdong Yang, Huafeng Shan, Hui Cao, Qilong Song, Hongwen Li, Zhenyu Zhu, Xiuping Han
  • Publication number: 20210164635
    Abstract: A diffuser and an Indication panel are provided. The diffuser includes: a plurality of light-transmitting regions; and a light-shielding region located between adjacent ones of the plurality of light-transmitting regions, and each of the light-transmitting regions corresponds to an icon symbol on the indication panel. The diffuser is employed to avoid a phenomenon of light leakage between adjacent icon symbols, thereby improving the display effect of the indication panel.
    Type: Application
    Filed: April 2, 2020
    Publication date: June 3, 2021
    Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Kaiwen Wang, Haifeng Xu, Zhenyu Han
  • Publication number: 20210142715
    Abstract: A display device is provided, including: a display panel; a backlight module; a circuit board, arranged on a side of the backlight module facing away from the display panel; a flexible circuit board, connected to the circuit board and the display panel, where the flexible circuit board includes a bending portion arranged on a side of the backlight module and extending from the display panel to the circuit board; a circuit board protective frame, arranged around the circuit board and the flexible circuit board, where an opening is provided on a first portion of the circuit board protective frame, and the first portion is a portion of the circuit board protective frame facing the bending portion; and a buffer structure, fixed on the circuit board protective frame, arranged parallel to the circuit board protective frame, and covering the opening.
    Type: Application
    Filed: May 1, 2020
    Publication date: May 13, 2021
    Inventors: Kaiwen WANG, Haifeng XU, Hui DONG, Guangying MOU, Zhenyu HAN, Xiaojun WU
  • Publication number: 20210074615
    Abstract: The present disclosure relates to a chip on film and a display device. The chip on film includes a body and an insulating protective film arranged on the body, in which the body includes a first area, a first binding area for binding and connecting to the back surface of the display panel, and a first bendable area located between the first area and the first binding area and capable of being bent in a first direction; and the insulating protection film includes a first connection area connected to the first area, a second connection area for connecting to the back surface of the display panel, and a second bendable area located between the first connection area and the second connection area and capable of being bent in a second direction opposite to the first direction.
    Type: Application
    Filed: December 13, 2019
    Publication date: March 11, 2021
    Inventors: Kaiwen WANG, Mookeun SHIN, Xiaojun WU, Xuanxuan QIAO, Aixia SANG, Qiang ZHANG, Zhenyu HAN
  • Patent number: 10850315
    Abstract: Provided is a manufacturing method for high-toughness and plasticity hypereutectoid rail, including: a. hot rolling the steel billet into rail; b. blowing a cooling medium to the top surface of railhead, wherein, the two sides of railhead and the lower jaws on the two sides of railhead after the center of top surface of rail is air-cooled to 800-850° C., and cooling the rail until the center temperature of the top surface is 520-550° C.; c. stop blowing the cooling medium to the lower jaws on the two sides of railhead, continue blowing the cooling medium to the top surface of railhead and the two sides of railhead, and air cool the rail to room temperature after the surface temperature of railhead is cooled to 430-480° C. The resulting hypereutectoid rail has higher toughness and plasticity than existing products, which is suitable for heavy-haul railway, especially for small radius curve sections.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: December 1, 2020
    Assignee: Pangang Group Research Institute Co., Ltd.
    Inventors: Zhenyu Han, Ming Zou, Hua Guo, Jun Yuan
  • Patent number: 10823897
    Abstract: Provided are a light guide plate and a manufacturing method thereof, a backlight module and a display device, in the field of display technology. The light guide plate includes: a light guide plate body, and a quantum dot film layer on a light exiting surface of the light guide plate body. The quantum dot film layer is prepared from a transparent material mixed with a quantum dot material by nano imprinting. According to the present disclosure, the quantum dot material is mixed into the transparent material, and the quantum dot film layer is formed on the light exiting surface of the light guide plate body by nano imprinting.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: November 3, 2020
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Aixia Sang, Jinfeng Zhang, Fangfang Wu, Mookeun Shin, Hui Dong, Chao Zhang, Kaiwen Wang, Zhenyu Han
  • Patent number: 10795069
    Abstract: A light guide plate includes a body region and a light incident region. The body region has a light exiting surface, an opposite base surface, and a side surface between the light exiting surface and the base surface. The light incident region is located at the side surface of the body region for receiving incident light and includes projections protruding outwards from the side surface of the body region, and a cavity is defined between adjacent projections. Each projection has a top surface and outer side walls. The outer side walls also define inner side walls of each cavity together with a bottom surface. The top surface, side walls, and bottom surface together are a light incident surface of the light incident region. An angle between the top surface and each outer side wall is called an apex angle, which is greater than 90 degrees.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: October 6, 2020
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qiang Zhang, Hui Dong, Mookeun Shin, Haifeng Xu, Xiaojun Wu, Zhenyu Han, Aixia Sang, Xiaochun Shi, Kaiwen Wang, Kai Wang
  • Publication number: 20200057187
    Abstract: Provided are a light guide plate and a manufacturing method thereof, a backlight module and a display device, in the field of display technology. The light guide plate includes: a light guide plate body, and a quantum dot film layer on a light exiting surface of the light guide plate body. The quantum dot film layer is prepared from a transparent material mixed with a quantum dot material by nano imprinting. According to the present disclosure, the quantum dot material is mixed into the transparent material, and the quantum dot film layer is formed on the light exiting surface of the light guide plate body by nano imprinting.
    Type: Application
    Filed: July 19, 2019
    Publication date: February 20, 2020
    Inventors: Aixia Sang, Jinfeng Zhang, Fangfang Wu, Mookeun Shin, Hui Dong, Chao Zhang, Kaiwen Wang, Zhenyu Han
  • Patent number: 10539738
    Abstract: A backlight module and a display device are provided in the present disclosure. The backlight module includes: a light guide plate, a plastic frame and a back plate; the back plate includes an accommodating portion and a folded edge perpendicular to the accommodating portion; the light guide plate is disposed on the accommodating portion; the plastic frame is configured to be in a snap engagement with the folded edge of the back plate and includes an outer blocking wall and a carrying portion perpendicular to the outer blocking wall; and a blocking member is disposed between the folded edge and the light guide plate, and the blocking member is configured to block light leakage at a position where the outer blocking wall and the folded edge are snap engaged.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: January 21, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Mookeun Shin, Zhenyu Han, Qiang Zhang, Hui Dong, Haifeng Xu, Aixia Sang
  • Publication number: 20200012032
    Abstract: A light guide plate includes a body region and a light incident region. The body region has a light exiting surface, an opposite base surface, and a side surface between the light exiting surface and the base surface. The light incident region is located at the side surface of the body region for receiving incident light and includes projections protruding outwards from the side surface of the body region, and a cavity is defined between adjacent projections. Each projection has a top surface and outer side walls. The outer side walls also define inner side walls of each cavity together with a bottom surface. The top surface, side walls, and bottom surface together are a light incident surface of the light incident region. An angle between the top surface and each outer side wall is called an apex angle, which is greater than 90 degrees.
    Type: Application
    Filed: May 16, 2019
    Publication date: January 9, 2020
    Inventors: Qiang ZHANG, Hui DONG, Mookeun SHIN, Haifeng XU, Xiaojun WU, Zhenyu HAN, Aixia SANG, Xiaochun SHI, Kaiwen WANG, Kai WANG
  • Publication number: 20190243059
    Abstract: A backlight module and a display device are provided in the present disclosure. The backlight module includes: a light guide plate, a plastic frame and a back plate; the back plate includes an accommodating portion and a folded edge perpendicular to the accommodating portion; the light guide plate is disposed on the accommodating portion; the plastic frame is configured to be in a snap engagement with the folded edge of the back plate and includes an outer blocking wall and a carrying portion perpendicular to the outer blocking wall; and a blocking member is disposed between the folded edge and the light guide plate, and the blocking member is configured to block light leakage at a position where the outer blocking wall and the folded edge are snap engaged.
    Type: Application
    Filed: October 29, 2018
    Publication date: August 8, 2019
    Inventors: Mookeun Shin, Zhenyu Han, Qiang Zhang, Hui Dong, Haifeng Xu, Aixia Sang
  • Publication number: 20190226040
    Abstract: The invention relates to the field of railway, and discloses a hypereutectoid rail and a manufacturing method thereof, which includes rolling a steel billet containing V and Ti, wherein, based on its total weight, the steel billet contains C of 0.85-0.94 wt %, and the relation between the start rolling temperature Tstart/final rolling temperature Tfinal and the content of V and the content of Ti satisfies the following formulas: Tstart=1100+a([V]+5[Ti]), Tfinal=750+b([V]+5[Ti]), wherein, 500?a?800, 300?b?500; based on its total weight, the steel billet contains V of 0.03-0.08 wt %, Ti of 0.011-0.02 wt %, and [V]+5[Ti]: 0.12-0.14 wt %. The hypereutectoid rail manufactured with the method has excellent comprehensive performance of strength and toughness.
    Type: Application
    Filed: May 24, 2017
    Publication date: July 25, 2019
    Applicant: PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE CO., LTD.
    Inventors: Zhenyu HAN, Ming ZOU, Hua GUO, Gongming TAO, Yuan WANG, Chunjian WANG, Jihai JIA
  • Publication number: 20190105694
    Abstract: In view of the problem of uneven performance of railhead sections of pearlitic rail manufactured with existing technique and the poor performance of the pearlitic rail obtained, the invention provides a manufacturing method for high-carbon and high-strength and toughness pearlitic rail, including the following steps to: a. hot roll the steel billet into rail, with a final rolling temperature of 900-1000° C.; b. blow a cooling medium to the top surface of railhead, wherein, the two sides of railhead and the lower jaws on two sides of railhead when the center of top surface of rail is air-cooled to 800-850° C.; then air-cool the rail to room temperature after the center of top surface of rail is cooled to 480-530° C. By controlling the composition of steel and adopting a two-stage accelerated cooling, a high-carbon rail is produced with better strength and excellent toughness which is suitable for heavy-haul railway.
    Type: Application
    Filed: October 9, 2018
    Publication date: April 11, 2019
    Inventors: Zhenyu HAN, Ming ZOU, Hua GUO, Jun YUAN
  • Publication number: 20190106761
    Abstract: In view of the low comprehensive strength and toughness of pearlitic rail manufactured by existing techniques, the invention provides a manufacturing method for rail of railway with passenger and freight mixed traffic, including the following steps: a. hot roll steel billet into rail, with a final rolling temperature of 900-1000° C.; b. blow a cooling medium to the top surface of railhead, the two sides of railhead and the lower jaws on two sides of railhead when the center of top surface of rail is air-cooled to 800-850° C.; and then air-cool the rail to the room temperature after the center of top surface of rail is cooled to 520-550° C. By controlling the composition of steel and adopting a two-stage accelerated cooling, the invention is able to produce a rail with better performance which is suitable for railway with passenger and freight mixed traffic.
    Type: Application
    Filed: October 9, 2018
    Publication date: April 11, 2019
    Inventors: Zhenyu HAN, Ming ZOU, Hua GUO, Jun YUAN
  • Publication number: 20190105693
    Abstract: Provided is a manufacturing method for high-toughness and plasticity hypereutectoid rail, including: a. hot rolling the steel billet into rail; b. blowing a cooling medium to the top surface of railhead, wherein, the two sides of railhead and the lower jaws on the two sides of railhead after the center of top surface of rail is air-cooled to 800-850° C., and cooling the rail until the center temperature of the top surface is 520-550° C.; c. stop blowing the cooling medium to the lower jaws on the two sides of railhead, continue blowing the cooling medium to the top surface of railhead and the two sides of railhead, and air cool the rail to room temperature after the surface temperature of railhead is cooled to 430-480° C. The resulting hypereutectoid rail has higher toughness and plasticity than existing products, which is suitable for heavy-haul railway, especially for small radius curve sections.
    Type: Application
    Filed: October 9, 2018
    Publication date: April 11, 2019
    Inventors: Zhenyu HAN, Ming ZOU, Hua GUO, Jun YUAN
  • Patent number: 10214799
    Abstract: The present invention relates to a heat treatment method for increasing the depth of hardening layer in a steel rail, and belongs to the field of steel rail production process. The technical problem to be solved in the present invention is to provide a heat treatment method for increasing the depth of hardening layer in a steel rail and a steel rail obtained with the method. The method comprises the following steps: cooling a finished rolling steel rail by natural cooling, till the temperature at the center of rail head surface is 660˜730° C.; cooling the steel rail by accelerated cooling at 1.5˜3.5° C./s cooling rate, till the temperature at the center of rail head surface is 500˜550° C.; increasing the cooling rate by 1.0˜2.0° C./s and further cooling down the steel rail, till the temperature at the center of rail head surface is 450° C. or lower; then, stopping the accelerated cooling, and cooling down the steel rail by air cooling to room temperature.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: February 26, 2019
    Assignees: PanGang Group Panzhihua Iron & Steel Research Institute Co., Ltd., Pangang Group Panzhihua Steel & Vanadium Co., Ltd.
    Inventors: Zhenyu Han, Ming Zou, Jihai Jia, Hua Guo, Dadong Li, Yong Deng, Chunjian Wang, Jun Yuan, Chongmu Chen
  • Patent number: 10196781
    Abstract: The present invention discloses a method for preparing hypereutectoid steel rail in which the composition of the billets adopted is: C: 0.86-1.05 wt. %; Si: 0.3-1 wt. %; Mn: 0.5-1.3 wt. %; Cr: 0.15-0.35 wt. %; Cu: 0.3-0.5 wt. %; P: 0.02-0.04 wt. %; S: ?0.02 wt. %; Ni: ½-? of the content of Cu; at least one of V, Nb and Re; Fe and unavoidable impurities of the rest. The present invention further provides a hypereutectoid steel rail prepared by the foregoing method. By the hypereutectoid steel rail preparation method provided by the present invention, the high-carbon billets with a specific composition provided by the present invention can be made into hypereutectoid steel rails with good corrosion resistance and tensile properties.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: February 5, 2019
    Assignees: PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE CO., LTD., PANGANG GROUP PANZHIHUA STEEL & VANADIUM CO., LTD.
    Inventors: Zhenyu Han, Ming Zou, Hua Guo, Yuan Wang, Dadong Li, Yong Deng, Jun Yuan
  • Patent number: 9777351
    Abstract: The present invention discloses a method for heat treatment of hypereutectoid steel rail, including the following steps: holding the temperature of the steel rail of which temperature is above 900° C. after finish rolling, conducting a first cooling stage for the steel rail at the first cooling speed after the temperature holding to reduce the temperature of railhead surface layer of the steel rail to 700-750° C., conducting a second cooling stage for the steel rail at the second cooling speed to reduce the temperature of railhead surface layer of the steel rail to 550° C., conducting a third cooling stage for the steel rail at the third cooling speed to reduce the temperature of railhead surface layer of the steel rail to 450° C. or less, and continuing to cool the steel rail in the air.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: October 3, 2017
    Assignee: Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.
    Inventors: Ming Zou, Zhenyu Han, Jihai Jia, Hua Guo, Yong Deng, Chunjian Wang, Jun Yuan, Hui Yao
  • Patent number: 9765414
    Abstract: The present invention provides a heat treatment method of turnout track comprising performing an accelerated cooling on the turnout track to be treated having a railhead tread with a temperature of 650-900° C. so as to obtain the turnout track with full pearlite metallographic structure, wherein the accelerated cooling velocity performed on the working side of railhead of the turnout track is higher than that performed on the non-working side of the railhead of the turnout track. The present invention provides a turnout track obtained with a heat treatment process as depicted therein. The turnout track in present invention has good straightness; both the hardness and tensile strength of the working side of railhead are higher than that of the non-working side of railhead.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: September 19, 2017
    Assignees: PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE CO., LTD., PANGANG GROUP PANZHIHUA STEEL & VANADIUM CO., LTD.
    Inventors: Ming Zou, Zhenyu Han, Dongsheng Mei, Yong Deng, Hua Guo, Quan Xu, Chunjian Wang
  • Publication number: 20170044721
    Abstract: The present invention discloses a method for preparing hypereutectoid steel rail in which the composition of the billets adopted is: C: 0.86-1.05 wt. %; Si: 0.3-1 wt. %; Mn: 0.5-1.3 wt. %; Cr: 0.15-0.35 wt. %; Cu: 0.3-0.5 wt. %; P: 0.02-0.04 wt. %; S: ?0.02 wt. %; Ni: ½-? of the content of Cu; at least one of V, Nb and Re; Fe and unavoidable impurities of the rest. The present invention further provides a hypereutectoid steel rail prepared by the foregoing method. By the hypereutectoid steel rail preparation method provided by the present invention, the high-carbon billets with a specific composition provided by the present invention can be made into hypereutectoid steel rails with good corrosion resistance and tensile properties.
    Type: Application
    Filed: August 9, 2016
    Publication date: February 16, 2017
    Applicants: PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INST ITUTE CO., LTD., PANGANG GROUP PANZHIHUA STEEL & VANADIUM CO., LTD.
    Inventors: Zhenyu Han, Ming Zou, Hua Guo, Yuan Wang, Dadong Li, Yong Deng, Jun Yuan