Patents by Inventor Zhichao Yang
Zhichao Yang 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: 20220263000Abstract: The present disclosure provides a light-emitting substrate, a backlight source, and a display device. The light-emitting substrate includes: a base substrate having a first surface and a second surface which are opposite, and including a light-emitting area and a bonding area located on a side of the light-emitting area; a light-emitting unit disposed on the first surface of the base substrate and located in the light-emitting area, and including a plurality of light-emitting elements which are connected together; and transmission lines disposed on the base substrate; where at least a part of at least one transmission line is located on the second surface of the base substrate, and two ends of the light-emitting unit are respectively connected to the bonding area through different transmission lines.Type: ApplicationFiled: March 17, 2021Publication date: August 18, 2022Inventors: Zhichao YANG, Jian WANG, Yong ZHANG, Xianglei QIN, Jian LIN, Limin ZHANG, Zepeng SUN, Liangzhen TANG, Zhilong DUAN, Honggui JIN, Yashuai AN, Lingfang NIE
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Publication number: 20220123043Abstract: A light emitting substrate, a wiring substrate and a display device are provided. The light emitting substrate includes light emitting units and a first electrode wire. The first electrode wire includes a first wire and a second wire. The light emitting units include first light emitting units and second light emitting units, a position of each first light emitting unit is a first light emitting unit region, a position of each second light emitting unit is is a second light emitting unit region, the first wire is connected with the first light emitting unit, passes through the first light emitting unit region and is located at an outer side of the second light emitting unit region, the second wire is connected with the second light emitting unit, passes through the second light emitting unit region and is located at an outer side of the first light emitting unit region.Type: ApplicationFiled: January 21, 2020Publication date: April 21, 2022Inventors: Zhichao YANG, Jian WANG, Yong ZHANG, Yingzi WANG, Feng QU, Xianglei QIN, Jian LIN, Limin ZHANG, Zepeng SUN, Liangzhen TANG, Zhilong DUAN, Honggui JIN, Yashuai AN, Lingfang NIE
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Patent number: 11287944Abstract: An application window display method and a terminal. The method is applied to a terminal that supports displaying a plurality of application windows, and includes displaying, by the terminal, a first graphical user interface (GUI), where the first GUI comprises a first application window, receiving, by the terminal, an input operation performed on the first application window, and displaying, by the terminal, a second GUI in response to the input operation, where the second GUI comprises a soft keyboard at a fixed display location, and an area in the second GUI other than the soft keyboard includes the first application window, with the first application window being completely displayed, and where the display location of the soft keyboard in the second GUI partially or completely overlaps a display location of the first application window in the first GUI.Type: GrantFiled: March 23, 2018Date of Patent: March 29, 2022Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Dengkui Zhu, Hao Huang, Zhichao Yang, Bin Xu
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Publication number: 20210117049Abstract: An application window display method and a terminal. The method is applied to a terminal that supports displaying a plurality of application windows, and includes displaying, by the terminal, a first graphical user interface (GUI), where the first GUI comprises a first application window, receiving, by the terminal, an input operation performed on the first application window, and displaying, by the terminal, a second GUI in response to the input operation, where the second GUI comprises a soft keyboard at a fixed display location, and an area in the second GUI other than the soft keyboard includes the first application window, with the first application window being completely displayed, and where the display location of the soft keyboard in the second GUI partially or completely overlaps a display location of the first application window in the first GUI.Type: ApplicationFiled: March 23, 2018Publication date: April 22, 2021Applicant: Huawei Technologies Co., Ltd.Inventors: Dengkui ZHU, Hao HUANG, Zhichao YANG, Bin XU
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Publication number: 20200354900Abstract: A method for permeable pavement of dirt interception comprises laying a permeable structure layer with a toothed groove between the base layer and the transition surface of the cushion layer or directly setting the upper surface of the cushion layer as a toothed structure; in the base layer, laying at least one layer of dirt interception trough; providing a water-permeable coating or fine sand at the bottom of the sewage interception trough; the present invention traps the dirt between the base layer and the cushion layer that are most likely to cause void blocking in the base layer, close to the shallow part of the surface layer is used to remove dirt by high-pressure flushing operations.Type: ApplicationFiled: March 4, 2020Publication date: November 12, 2020Applicant: Beijing University of Civil Engineering and ArchitectureInventors: Haiyan LI, Zhichao YANG, Yan HUANG, Liyuan WU, Xiaoran ZHANG, Ziyang ZHANG, Jinxi LI
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Patent number: 10544242Abstract: The invention discloses a process for preparing high-performance propylene polymers, the process utilizing a high activity, highly stereoselective Ziegler-Natta catalyst and two or more stages of polymerization carried out under different hydrogen concentrations to prepare propylene polymers having broad molecular weight distribution, wherein non-uniformness of isotacticity of molecular chains of the final propylene polymers is improved by adjusting or controlling stereoselectivity of catalytic active sites under different hydrogen concentrations, namely, making the low molecular weight fraction of the polymers having a higher isotacticity and making the high molecular weight fraction of the polymers having a lower isotacticity, thereby overcoming the drawbacks of the propylene polymers having broad molecular weight distribution known in the art. The resulting final polymers have excellent combined properties, in particular, remarkably improved mechanical properties.Type: GrantFiled: May 12, 2015Date of Patent: January 28, 2020Assignees: China Petroleum & Chemical Corporation and Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Wenbo Song, Meifang Guo, Jinliang Qiao, Zhichao Yang, Shijun Zhang, Luqiang Yu
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Publication number: 20190329224Abstract: A mesoporous ozonation catalyst including a cerium-titanium-zirconium composite oxide. The catalyst is in the form of a solid spherical particle having a diameter of between 0.7 and 1.2 mm. The solid spherical particle exhibits lattice fringes under transmission electron microscope, and the lattice fringes have a spacing between 0.332 and 0.339 nm.Type: ApplicationFiled: July 9, 2019Publication date: October 31, 2019Inventors: Bingcai PAN, Chao SHAN, You XU, Zhichao YANG, Weiming ZHANG, Lu LYU
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Patent number: 10301405Abstract: Disclosed herein are a polypropylene with narrow molecular weight distribution and a process for preparing the same in a reactor using a Ziegler-Natta catalyst.Type: GrantFiled: October 30, 2013Date of Patent: May 28, 2019Assignees: Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corp, China Petroleum & Chemical CorporationInventors: Liangshi Wang, Luqiang Yu, Shijun Zhang, Jinliang Qiao, Meifang Guo, Zhichao Yang, Jianjun Yin, Honghong Huang, Liping Hou, Jianfang Sheng
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Patent number: 9751965Abstract: Disclosed herein is a polymerization method of propylene, which can prepare a propylene homopolymer with both high fluidity and high rigidity as well as a propylene/?-define copolymer having both high fluidity and a good rigidity-toughness balance by, for example, control of polymerization steps and elevation of polymerization temperature, while the catalyst still maintains a relatively high polymerization activity.Type: GrantFiled: October 30, 2013Date of Patent: September 5, 2017Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Luqiang Yu, Zhichao Yang, Jiangbo Chen, Jianxin Zhang, Yafeng Du, Qinyu Tong, Kang Sun, Yang Liu, Jie Zou, Lusheng Wang, Zengyue Dai, Zhong Tan
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Publication number: 20150246986Abstract: The invention discloses a process for preparing high-performance propylene polymers, the process utilizing a high activity, highly stereoselective Ziegler-Natta catalyst and two or more stages of polymerization carried out under different hydrogen concentrations to prepare propylene polymers having broad molecular weight distribution, wherein non-uniformness of isotacticity of molecular chains of the final propylene polymers is improved by adjusting or controlling stereoselectivity of catalytic active sites under different hydrogen concentrations, namely, making the low molecular weight fraction of the polymers having a higher isotacticity and making the high molecular weight fraction of the polymers having a lower isotacticity, thereby overcoming the drawbacks of the propylene polymers having broad molecular weight distribution known in the art. The resulting final polymers have excellent combined properties, in particular, remarkably improved mechanical properties.Type: ApplicationFiled: May 12, 2015Publication date: September 3, 2015Inventors: Wenbo Song, Meifang Guo, Jinliang Qiao, Zhichao Yang, Shijun Zhang, Luqiang Yu
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Publication number: 20140121337Abstract: Disclosed herein is a polymerization method of propylene, which can prepare a propylene homopolymer with both high fluidity and high rigidity as well as a propylene/?-define copolymer having both high fluidity and a good rigidity-toughness balance by, for example, control of polymerization steps and elevation of polymerization temperature, while the catalyst still maintains a relatively high polymerization activity.Type: ApplicationFiled: October 30, 2013Publication date: May 1, 2014Applicants: BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORP, CNINA PETROLEUM & CHEMICAL CORPORATIONInventors: Luqiang YU, Zhichao Yang, Jiangbo Chen, Jianxin Zhang, Yafeng Du, Qinyu Tong, Kang Sun, Yang Liu, Jie Zou, Lusheng Wang, Zengyue Dai, Zhong Tan
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Publication number: 20140121339Abstract: Disclosed herein are a polypropylene with narrow molecular weight distribution and a process for preparing the same in a reactor using a Ziegler-Natta catalyst.Type: ApplicationFiled: October 30, 2013Publication date: May 1, 2014Applicants: BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHNA PETROLEUM & CHEMICAL CORP, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Liangshi WANG, Luqiang YU, Shijun ZHANG, Jinliang QIAO, Meifang GUO, Zhichao YANG, Jianjun YIN, Honghong HUANG, Liping HOU, Jianfang SHENG
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Publication number: 20090326171Abstract: The invention discloses a process for preparing high-performance propylene polymers, the process utilizing a high activity, highly stereoselective Ziegler-Natta catalyst and two or more stages of polymerization carried out under different hydrogen concentrations to prepare propylene polymers having broad molecular weight distribution, wherein non-unifomess of isotacticity of molecular chains of the final propylene polymers is improved by adjusting or controlling stereoselectivity of catalytic active sites under different hydrogen concentrations, namely, making the low molecular weight fraction of the polymers having a higher isotacticity and making the high molecular weight fraction of the polymers having a lower isotacticity, thereby overcoming the drawbacks of the propylene polymers having broad molecular weight distribution known in the art. The resulting final polymers have excellent combined properties, in particular, remarkably improved mechanical properties.Type: ApplicationFiled: April 20, 2007Publication date: December 31, 2009Inventors: Wenbo Song, Meifang Guo, Jinliang Qiao, Zhichao Yang, Shijun Zhang, Luqiang Yu
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Patent number: 7332455Abstract: The present invention relates to a catalyst component and a catalyst for olefin polymerization. The catalyst component utilizes magnesium halide and silica as composite support, and the particle morphology thereof can be improved by regulating the ratio of magnesium halide to silica. Further, the purpose of stabilizing the rate of catalytic polymerization reaction and improving the particle morphology of polymer so as to meet the requirements on catalyst performance of various polymerization processes can be achieved through the combination of the supports of the catalyst. In the meantime, when used in the polymerization of propylene, the catalyst of the present invention exhibits a relatively high polymerization activity and high stereospecificity.Type: GrantFiled: September 16, 2004Date of Patent: February 19, 2008Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Chen Wei, Yuexiang Liu, Xianzhi Xia, Wenbo Song, Hongbin Du, Zifang Guo, Yang Tan, Zhaowen Ma, Weimin Ji, Zhichao Yang, Xiaodong Wang, Lei Guo
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Publication number: 20050119427Abstract: The present invention relates to a catalyst component and a catalyst for olefin polymerization. The catalyst component utilizes magnesium halide and silica as composite support, and the particle morphology thereof can be improved by regulating the ratio of magnesium halide to silica. Further, the purpose of stabilizing the rate of catalytic polymerization reaction and improving the particle morphology of polymer so as to meet the requirements on catalyst performance of various polymerization processes can be achieved through the combination of the supports of the catalyst. In the meantime, when used in the polymerization of propylene, the catalyst of the present invention exhibits a relatively high polymerization activity and high stereospecificity.Type: ApplicationFiled: September 16, 2004Publication date: June 2, 2005Inventors: Chen Wei, Yuexiang Liu, Xianzhi Xia, Wenbo Song, Hongbin Du, Zifang Guo, Yang Tan, Zhaowen Ma, Weimin Ji, Zhichao Yang, Xiaodong Wang, Lei Guo