Patents by Inventor Dongcheng Yan

Dongcheng Yan 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).

  • Patent number: 11932576
    Abstract: The present invention discloses an aluminosilicate glass composition, aluminosilicate glass and a preparation method therefor and application thereof. Based on the total molar weight of the aluminosilicate glass composition, the aluminosilicate glass composition comprises, by oxide, 67-74 mol % of SiO2, 10-15 mol % of Al2O3, 0-5 mol % of B2O3, 1-10 mol % of MgO, 1-10 mol % of CaO, 0-3 mol % of SrO, 2-8 mol % of BaO, 0.1-4 mol % of ZnO, 0.1-4 mol % of RE2O3 and less than 0.05 mol % of R2O, wherein RE represents rare earth elements, and R represents alkali metals.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: March 19, 2024
    Assignees: TUNGHSU TECHNOLOGY GROUP CO., LTD., TUNGHSU GROUP CO., LTD.
    Inventors: Guangtao Zhang, Wenmei Han, Zhiyong Li, Gang Li, Junfeng Wang, Dongcheng Yan, Lihong Wang
  • Patent number: 11807576
    Abstract: The invention relates to the field of glass manufacturing, and discloses non-alkali aluminum silicate glass and a preparation method as well as application thereof. A glass melt of the non-alkali aluminum silicate glass at 1600° C. has a resistivity of 200 ?·cm or less; a temperature T35000 corresponding to 35000 P viscosity is 1250° C. or more; an annealing point corresponding to 1013 P viscosity is 790° C. or more, based on a total molar weight of the non-alkali aluminum silicate glass, the non-alkali aluminum silicate glass comprises, by oxide, 69-73 mol % of SiO2, 11-15 mol % of Al2O3, 0-2 mol % of B2O3, 2-8 mol % of MgO, 2-8 mol % of CaO, 0-3 mol % of SrO, 3-10 mol % of BaO, 0.1-2 mol % of ZnO, 0.02-0.7 mol % of RE2O3, 0.01-0.5 mol % of Se2O3 and R2O, less than 0.05 mol %, wherein RE represents rare earth elements, and R represents alkali metals.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: November 7, 2023
    Assignees: TUNGHSU TECHNOLOGY GROUP CO., LTD., TUNGHSU GROUP CO., LTD.
    Inventors: Guangtao Zhang, Junfeng Wang, Gang Li, Wenmei Han, Zhiyong Li, Dongcheng Yan, Lihong Wang
  • Patent number: 11795100
    Abstract: A composition for glass, and aluminosilicate glass, preparation method therefor, and use thereof. In molar percentage, in the composition, the total content of SiO2, B2O3, P2O5, GeO2 and TeO2 is 60˜85 mol %; the total content of Al2O3 and Ga2O3 is 3˜20 mol %; the total content of ZnO and Y2O3 is 0.1˜5 mol %; and the total content of alkaline earth metal oxide is 4˜30 mol %. The glass has a high strain point, a low melting temperature, and a high thermal expansion coefficient, has good toughness, and is suitable for large-scale industrial production.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: October 24, 2023
    Assignees: TUNGHSU TECHNOLOGY GROUP CO., LTD., TUNGHSU GROUP CO., LTD.
    Inventors: Qing Li, Guangtao Zhang, Junfeng Wang, Xiaoyi Wang, Dongcheng Yan, Lihong Wang, Quan Zheng
  • Patent number: 11746039
    Abstract: The present disclosure relates to glass manufacturing, a glass composition, glass with a low inclusion content and a preparation method therefor and use thereof. The composition comprises 50-64 wt. % SiO2, 14-24 wt. % Al2O3, 0-7 wt. % B2O3+P2O5, 0.5-7 wt. % MgO, 1-10 wt. % CaO, 0-9 wt. % SrO, 0.1-14 wt. % BaO, 0.1-5 wt. % ZnO, 0.1-4 wt. % TiO2, 0.1-7 wt. % Y2O3+La2O3+Nd2O3, and <0.05 wt. % R2O, wherein R2O is a sum of the content of Li2O, Na2O and K2O, and the composition satisfies the following conditions: (1) a temperature T100 corresponding to a viscosity of 100 P is 1730° C. or higher; (2) a surface tension at 1300° C. is less than 420 mN/m. The glass prepared by the glass composition and the glass with a low inclusion content preparation method has the advantages of having low inclusion content, having a simple preparation process, being low in cost and so on.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: September 5, 2023
    Assignee: TUNGHSU GROUP CO., LTD.
    Inventors: Guangtao Zhang, Qing Li, Quan Zheng, Lihong Wang, Dongcheng Yan, Junfeng Wang, Bo Wang, Zhiyong Li
  • Patent number: 11708295
    Abstract: The invention provides a composition for glass, a glass, and a preparation method and application thereof. On an oxide basis, the composition for glass contains 45-64 wt % SiO2, 16-26 wt % Al2O3, 0.1-2 wt % MgO, 10-17 wt % Na2O, 0.5-15 wt % P2O5, and optionally 0-2 wt % TiO2. The glass prepared from the composition for glass has a higher chemical resistance, a higher strain point, and a higher compressive stress and depth of compressive stress layer formed on the glass surface, and the glass has a higher Young's modulus.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: July 25, 2023
    Assignees: TUNGHSU TECHNOLOGY GROUP CO., LTD., TUNGHSU GROUP CO., LTD.
    Inventors: Qing Li, Yuguo Shen, Lihong Wang, Quan Zheng, Dongcheng Yan, Junfeng Li, Guangtao Zhang
  • Patent number: 11407674
    Abstract: A composition for glass, alkaline earth aluminosilicate glass, and a preparation method therefor and applications thereof. Based on the total number of moles of each component and the counting of oxides, the composition contains 68-73 mol % of SiO2, 11.5-15 mol % of Al2O3, 2-6 mol % of MgO, 2.5-7.5 mol % of CaO, 0-3 mol % of SrO, 2-7 mol % of BaO, 0-4 mol % of ZnO and 0.05-1.5 mol % of TiO2. The glass has a high strain point, a high Young's modulus, a high specific modulus, a high Vickers hardness, high chemical stability, a high refractive index and high glass formation stability, and has a lower forming temperature, a lower melting temperature, a lower thermal expansion coefficient, a lower surface tension, a lower density, and low glass manufacturing difficulty.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: August 9, 2022
    Assignees: TUNGHSU TECHNOLOGY GROUP CO., LTD., TUNGHSU GROUP CO., LTD.
    Inventors: Guangtao Zhang, Junfeng Wang, Gang Li, Peng Tian, Dongcheng Yan, Lihong Wang, Quan Zheng
  • Patent number: 11325856
    Abstract: The present invention relates to the field of glass manufacturing, and discloses aluminoborosilicate glass, and a preparation method and an application thereof. Based on the total weight of components in the composition of the glass, the glass comprises: 33-60 wt % SiO2, 3-10 wt % Al2O3, 10-30 wt % B2O3, 1-15 wt % ZnO+TiO2+Sc2O3, and 7-27 wt % alkaline-earth oxide RO, wherein RO is at least one of MgO, CaO, SrO and BaO, and 0.001 wt %?Sc2O3?1 wt%. The aluminoborosilicate glass provided in the present invention has advantages including low density, high index of refraction, low thermal expansion coefficient, high thermostability, high flexibility, and easy bending, etc.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: May 10, 2022
    Assignees: TUNGHSU TECHNOLOGY GROUP CO., LTD., TUNGHSU GROUP CO., LTD.
    Inventors: Qing Li, Guangtao Zhang, Junfeng Wang, Xingjun Xu, Dongcheng Yan, Lihong Wang, Quan Zheng
  • Patent number: 11319241
    Abstract: The invention discloses a composition for preparing glass, a glass article and a use thereof, and a glass article made from the composition. The glass article is preferably a glass substrate made from a composition with an M value of from about 1 to about 10 as calculated by the empirical equation: M=0.13×wt (B2O3)×wt (B2O3)+0.42×wt (CaO)+0.55×wt (MgO)+0.75×wt (SrO)?0.05×wt (Al2O3)×wt (Al2O3). A use of the glass article (especially the glass substrate) for manufacturing a display device is disclosed herein, wherein the glass article has better properties, such as lowered content of solid inclusions and gas inclusions, lowered thickness range and lowered warpage.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: May 3, 2022
    Assignee: TUNGHSU GROUP CO., LTD.
    Inventors: Debao Li, Qing Li, Guangtao Zhang, Zhonghua Wang, Feng Guo, Dongcheng Yan
  • Publication number: 20210380471
    Abstract: The invention relates to the field of glass manufacturing, and discloses non-alkali aluminum silicate glass and a preparation method as well as application thereof. A glass melt of the non-alkali aluminum silicate glass at 1600° C. has a resistivity of 200 ?·cm or less; a temperature T35000 corresponding to 35000 P viscosity is 1250° C. or more; an annealing point corresponding to 1013 P viscosity is 790° C. or more, based on a total molar weight of the non-alkali aluminum silicate glass, the non-alkali aluminum silicate glass comprises, by oxide, 69-73 mol % of SiO2, 11-15 mol % of Al2O3, 0-2 mol % of B2O3, 2-8 mol % of MgO, 2-8 mol % of CaO, 0-3 mol % of SrO, 3-10 mol % of BaO, 0.1-2 mol % of ZnO, 0.02-0.7 mol % of RE2O3, 0.01-0.5 mol % of Se2O3 and R2O, less than 0.05 mol %, wherein RE represents rare earth elements, and R represents alkali metals.
    Type: Application
    Filed: October 16, 2019
    Publication date: December 9, 2021
    Applicants: TUNGHSU TECHNOLOGY GROUP CO., LTD., TUNGHSU GROUP CO., LTD.
    Inventors: Guangtao Zhang, Junfeng Wang, Gang Li, Wenmei Han, Zhiyong Li, Dongcheng Yan, Lihong Wang
  • Publication number: 20210340056
    Abstract: The present invention discloses an aluminosilicate glass composition, aluminosilicate glass and a preparation method therefor and application thereof. Based on the total molar weight of the aluminosilicate glass composition, the aluminosilicate glass composition comprises, by oxide, 67-74 mol % of SiO2, 10-15 mol % of Al2O3, 0-5 mol % of B2O3, 1-10 mol % of MgO, 1-10 mol % of CaO, 0-3 mol % of SrO, 2-8 mol % of BaO, 0.1-4 mol % of ZnO, 0.1-4 mol % of RE2O3 and less than 0.05 mol % of R2O, wherein RE represents rare earth elements, and R represents alkali metals.
    Type: Application
    Filed: October 16, 2019
    Publication date: November 4, 2021
    Applicants: TUNGHSU TECHNOLOGY GROUP CO., LTD., TUNGHSU GROUP CO., LTD.
    Inventors: Guangtao Zhang, Wenmei Han, Zhiyong Li, Gang Li, Junfeng Wang, Dongcheng Yan, Lihong Wang
  • Publication number: 20210163342
    Abstract: The invention provides a composition for glass, a glass, and a preparation method and application thereof. On an oxide basis, the composition for glass contains 45-64 wt % SiO2, 16-26 wt % Al2O3, 0.1-2 wt % MgO, 10-17 wt % Na2O, 0.5-15 wt % P2O5, and optionally 0-2 wt % TiO2. The glass prepared from the composition for glass has a higher chemical resistance, a higher strain point, and a higher compressive stress and depth of compressive stress layer formed on the glass surface, and the glass has a higher Young's modulus.
    Type: Application
    Filed: May 14, 2018
    Publication date: June 3, 2021
    Applicants: TUNGHSU TECHNOLOGY GROUP CO., LTD., TUNGHSU GROUP CO., LTD.
    Inventors: Qing Li, Yuguo Shen, Lihong Wang, Quan Zheng, Dongcheng Yan, Junfeng Li, Guangtao Zhang
  • Publication number: 20210107825
    Abstract: A composition for glass, alkaline earth aluminosilicate glass, and a preparation method therefor and applications thereof. Based on the total number of moles of each component and the counting of oxides, the composition contains 68-73 mol % of SiO2, 11.5-15 mol % of Al2O3, 2-6 mol % of MgO, 2.5-7.5 mol % of CaO, 0-3 mol % of SrO, 2-7 mol % of BaO, 0-4 mol % of ZnO and 0.05-1.5 mol % of TiO2. The glass has a high strain point, a high Young's modulus, a high specific modulus, a high Vickers hardness, high chemical stability, a high refractive index and high glass formation stability, and has a lower forming temperature, a lower melting temperature, a lower thermal expansion coefficient, a lower surface tension, a lower density, and low glass manufacturing difficulty.
    Type: Application
    Filed: April 9, 2018
    Publication date: April 15, 2021
    Applicants: TUNGHSU TECHNOLOGY GROUP CO., LTD., TUNGHSU GROUP CO., LTD.
    Inventors: Guangtao Zhang, Junfeng Wang, Gang Li, Peng Tian, Dongcheng Yan, Lihong Wang, Quan Zheng
  • Publication number: 20210047230
    Abstract: The present disclosure relates to glass manufacturing, a glass composition, glass with a low inclusion content and a preparation method therefor and use thereof. The composition comprises 50-64 wt. % SiO2, 14-24 wt. % Al2O3, 0-7 wt. % B2O3+P2O5, 0.5-7 wt. % MgO, 1-10 wt. % CaO, 0-9 wt. % SrO, 0.1-14 wt. % BaO, 0.1-5 wt. % ZnO, 0.1-4 wt. % TiO2, 0.1-7 wt. % Y2O3+La2O3+Nd2O3, and <0.05 wt. % R2O, wherein R2O is a sum of the content of Li2O, Na2O and K2O, and the composition satisfies the following conditions: (1) a temperature T100 corresponding to a viscosity of 100 P is 1730° C. or higher; (2) a surface tension at 1300° C. is less than 420 mN/m. The glass prepared by the glass composition and the glass with a low inclusion content preparation method has the advantages of having low inclusion content, having a simple preparation process, being low in cost and so on.
    Type: Application
    Filed: November 27, 2018
    Publication date: February 18, 2021
    Applicant: TUNGHSU GROUP CO., LTD.
    Inventors: Guangtao Zhang, Qing Li, Quan Zheng, Lihong Wang, Dongcheng Yan, Junfeng Wang, Bo Wang, Zhiyong Li
  • Publication number: 20200325062
    Abstract: A composition for glass, and aluminosilicate glass, preparation method therefor, and use thereof. In molar percentage, in the composition, the total content of SiO2, B2O3, P2O5, GeO2 and TeO2 is 60˜85 mol %; the total content of Al2O3 and Ga2O3 is 3˜20 mol %; the total content of ZnO and Y2O3 is 0.1˜5 mol %; and the total content of alkaline earth metal oxide is 4˜30 mol %. The glass has a high strain point, a low melting temperature, and a high thermal expansion coefficient, has good toughness, and is suitable for large-scale industrial production.
    Type: Application
    Filed: November 14, 2018
    Publication date: October 15, 2020
    Inventors: Qing LI, Guangtao ZHANG, Junfeng WANG, Xiaoyi WANG, Dongcheng YAN, Lihong WANG, Quan ZHENG
  • Publication number: 20200115272
    Abstract: The present invention relates to the field of glass manufacturing, and discloses aluminoborosilicate glass, and a preparation method and an application thereof. Based on the total weight of components in the composition of the glass, the glass comprises: 33-60 wt % SiO2, 3-10 wt % Al2O3, 10-30 wt % B2O3, 1-15 wt % ZnO+TiO2+Sc2O3, and 7-27 wt % alkali-earth oxide RO, wherein RO is at least one of MgO, CaO, SrO and BaO, and 0.001 wt %?Sc2O3?1 wt %. The aluminoborosilicate glass provided in the present invention has advantages including low density, high index of refraction, low thermal expansion coefficient, high thermostability, high flexibility, and easy bending, etc.
    Type: Application
    Filed: April 16, 2018
    Publication date: April 16, 2020
    Applicants: TUNGHSU TECHNOLOGY GROUP CO., LTD., TUNGHSU GROUP CO., LTD.
    Inventors: Qing Li, Guangtao Zhang, Junfeng Wang, Xingjun Xu, Dongcheng Yan, Lihong Wang, Quan Zheng
  • Publication number: 20190352218
    Abstract: The invention discloses a composition for preparing glass, a glass article and a use thereof, and a glass article made from the composition. The glass article is preferably a glass substrate made from a composition with an M value of from about 1 to about 10 as calculated by the empirical equation: M=0.13×wt (B2O3)×wt (B2O3)+0.42×wt (CaO)+0.55×wt (MgO)+0.75×wt (SrO)?0.05×wt (Al2O3)×wt (Al2O3). A use of the glass article (especially the glass substrate) for manufacturing a display device is disclosed herein, wherein the glass article has better properties, such as lowered content of solid inclusions and gas inclusions, lowered thickness range and lowered warpage.
    Type: Application
    Filed: November 10, 2017
    Publication date: November 21, 2019
    Inventors: Debao Li, Qing Li, Guangtao Zhang, Zhonghua Wang, Feng Guo, Dongcheng Yan