Patents by Inventor Chung Hsin Lu

Chung Hsin Lu 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: 11655405
    Abstract: A method of manufacturing a cerium dioxide powder is provided. The method includes mixing a cerium salt, an amine and solvent to form a mixed solution, in which the amine includes a secondary amine, a tertiary amine or a combination thereof, and the tertiary amine is selected from the group consisting of hexamethylenetetramine, triethylenediamine and a combination thereof. A solvothermal reaction of the mixed solution is performed to form the cerium dioxide powder. The cerium dioxide powder manufactured by the method is also provided herein.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: May 23, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Chung-Hsin Lu, Yong-Jian Liu, Shu-Hao Huang, Chi-Ming Yang
  • Patent number: 9938460
    Abstract: A phosphor having a formula of TxEySizNrTbaLbMc is provided, in which T is Mg, Ca, Sr or Ba; E is Mg, Ca, Ba, Ti, Cu, Zn, B, Al, In, Sn, Sb, Bi, Ga, Y, La or Lu; L is Li, Na or K; M is Ce, Pr, Nd, Pm, Sm, Gd, Dy, Ho, Er, Tm, Yb or Mn; and 1.4?x?2.6, 0?y?0.5, 4.3?z?5.6, 7.4?r?9, 0.01?a?0.5, 0?b?0.5, 0?c?0.5, in which Tb ion is used as a luminescence center, and valence of the Tb ion is lower than 3+, and the phosphor is excited by an excitation light and has an emission band with a full width at half maximum greater than 50 nm. A method of forming the phosphor is also provided.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: April 10, 2018
    Assignee: NATIONAL TAIWAN UNIVERSITY
    Inventors: Chung-Hsin Lu, Che-Yuan Yang
  • Publication number: 20170158958
    Abstract: A phosphor having a formula of TxEySizNrTbaLbMc is provided, in which T is Mg, Ca, Sr or Ba; E is Mg, Ca, Ba, Ti, Cu, Zn, B, Al, In, Sn, Sb, Bi, Ga, Y, La or Lu; L is Li, Na or K; M is Ce, Pr, Nd, Pm, Sm, Gd, Dy, Ho, Er, Tm, Yb or Mn; and 1.4?x?2.6, 0?y?0.5, 4.3?z?5.6, 7.4?r?9, 0.01?a?0.5, 0?b?0.5, 0?c?0.5, in which Tb ion is used as a luminescence center, and valence of the Tb ion is lower than 3+, and the phosphor is excited by an excitation light and has an emission band with a full width at half maximum greater than 50 nm. A method of forming the phosphor is also provided.
    Type: Application
    Filed: February 21, 2017
    Publication date: June 8, 2017
    Inventors: Chung-Hsin LU, Che-Yuan YANG
  • Publication number: 20160075564
    Abstract: A method of manufacturing a cerium dioxide powder is provided. The method includes mixing a cerium salt, an amine and solvent to form a mixed solution, in which the amine includes a secondary amine, a tertiary amine or a combination thereof, and the tertiary amine is selected from the group consisting of hexamethylenetetramine, triethylenediamine and a combination thereof. A solvothermal reaction of the mixed solution is performed to form the cerium dioxide powder. The cerium dioxide powder manufactured by the method is also provided herein.
    Type: Application
    Filed: September 11, 2015
    Publication date: March 17, 2016
    Inventors: Shu-Hao HUANG, Chi-Ming YANG, Chung-Hsin LU, Yong-Jian LIU
  • Patent number: 9202991
    Abstract: The present invention relates to an inorganic nitride-based fluorescent material, comprising an inorganic fluorescent host material represented by the following formula (I): (M)xSiyNz:At??(I) wherein, M is at least one metal selected from the group consisting of metals of IIA and IIIA, and x is from 1.0 to 3.0, and y is from 0.7 to 6.0, and z is from 1.0 to 9.0 and At is an activator; and a surface coating material is at least one metal oxide, metal hydroxide or metal carbonate, and the metal of the metal oxide, the metal hydroxide or the metal carbonate is selected from the group consisting of Mg, Ca, Sr, Ba, V, Cr, Mn, Fe, Co, Ni, Cu, La, Ga, In, Sn, Sb and Bi.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: December 1, 2015
    Assignee: NATIONAL TAIWAN UNIVERSITY
    Inventor: Chung-Hsin Lu
  • Publication number: 20140001404
    Abstract: The present invention relates to an inorganic nitride-based fluorescent material, comprising an inorganic fluorescent host material represented by the following formula (I): (M)xSiyNz:At ??(I) wherein, M is at least one metal selected from the group consisting of metals of IIA and IIIA, and x is from 1.0 to 3.0, and y is from 0.7 to 6.0, and z is from 1.0 to 9.0 and At is an activator; and a surface coating material is at least one metal oxide, metal hydroxide or metal carbonate, and the metal of the metal oxide, the metal hydroxide or the metal carbonate is selected from the group consisting of Mg, Ca, Sr, Ba, V, Cr, Mn, Fe, Co, Ni, Cu, La, Ga, In, Sn, Sb and Bi.
    Type: Application
    Filed: June 28, 2013
    Publication date: January 2, 2014
    Inventor: Chung-Hsin LU
  • Patent number: 8057781
    Abstract: The invention provides a fabrication method for a chalcopyrite powder. The fabrication method includes: (a) mixing a Group IB compound and a Group IIIA compound in a solvent; (b) drying or precipitating the solution of step (a) to obtain a precursor containing Group IB and Group IIIA elements; (c) mixing a solution or powder containing a Group VIA compound with the precursor; and (d) heating the mixture of step (c) to obtain the chalcopyrite powder.
    Type: Grant
    Filed: June 10, 2010
    Date of Patent: November 15, 2011
    Assignee: National Taiwan University
    Inventors: Chung-Hsin Lu, Chung-Hsien Wu, Szu-Chia Chien, Zhi-Liang Liu
  • Publication number: 20100329967
    Abstract: The invention provides a fabrication method for a chalcopyrite powder. The fabrication method includes: (a) mixing a Group IB compound and a Group IIIA compound in a solvent; (b) drying or precipitating the solution of step (a) to obtain a precursor containing Group IB and Group IIIA elements; (c) mixing a solution or powder containing a Group VIA compound with the precursor; and (d) heating the mixture of step (c) to obtain the chalcopyrite powder.
    Type: Application
    Filed: June 10, 2010
    Publication date: December 30, 2010
    Applicant: NATIONAL TAIWAN UNIVERSITY
    Inventors: Chung-Hsin Lu, Chung-Hsien Wu, Szu-Chia Chien, Zhi-Liang Liu
  • Patent number: 7330446
    Abstract: Methods and apparatuses for a closed-loop power control in a code-division multiple-access communication system wherein both received signal quality and communication channel quality are used to determine appropriate transmitter power, and transmission may be suspended when a channel quality metric, such as by short-term fading, degrades below a preset minimum threshold, or when a commanded transmitter power exceeds a preset maximum threshold, and wherein the transmitter power is controlled to mitigate fading effects so that received signal quality metric, such as by the average received signal power or by the average received SIR over a control cycle, approaches a preset desired level, and by momentarily suspending a remote terminal, overall system capacity and throughput may be enhanced.
    Type: Grant
    Filed: September 21, 2001
    Date of Patent: February 12, 2008
    Assignee: Industrial Technology Research Institute
    Inventors: Chieh-Ho Lee, Chung-Ju Chang, Chung Hsin Lu
  • Publication number: 20050013751
    Abstract: An environmentally friendly computer enclosure (20) includes a panel having a vent; and a photocatalyst device (1) mounted on the vent. The photocatalyst device includes an ultraviolet light source device (12), and a filter net (13) with a photocatalyst layer coated thereon. The photocatalyst layer preferably comprises titanium dioxide. The photocatalyst device is mounted on an outside of the vent. The ultraviolet light source device comprises at least one ultraviolet lamp tube or at least one ultraviolet light emitting diode. Soiled air output from the computer enclosure passes through the filter net that is coated with the photocatalyst layer of titanium dioxide. The soiled air is thus purified before being dissipated into the ambient environment.
    Type: Application
    Filed: July 19, 2004
    Publication date: January 20, 2005
    Inventors: Gwo-Yan Huang, Chih-Chien Hung, Mu-Chi Hsu, Wen Bin Chen, Chung-Hsin Lu, Wu-Kuang Chen
  • Publication number: 20030058821
    Abstract: Methods and apparatuses for a closed-loop power control in a code-division multiple-access communication system wherein both received signal quality and communication channel quality are used to determine appropriate transmitter power, and transmission may be suspended when a channel quality metric, such as by short-term fading, degrades below a preset minimum threshold, or when a commanded transmitter power exceeds a preset maximum threshold, and wherein the transmitter power is controlled to mitigate fading effects so that received signal quality metric, such as by the average received signal power or by the average received SIR over a control cycle, approaches a preset desired level, and by momentarily suspending a remote terminal, overall system capacity and throughput may be enhanced.
    Type: Application
    Filed: September 21, 2001
    Publication date: March 27, 2003
    Inventors: Chieh-Ho Lee, Chung-Ju Chang, Chung Hsin Lu
  • Patent number: 6143366
    Abstract: A process is disclosed for reducing the crystallization temperature of amorphous or partially crystallized ceramic films by providing a higher pressure under which the crystallization of the amorphous or partially crystallized ceramic films can be significantly enhanced. The present invention not only improves quality, performance and reliability of the ceramic films, but also reduces the cost for production. By lowering the crystallization temperature, the cost for thermal energy consumed during the crystallization process is greatly reduced. In addition, the interaction or interdiffusion occurring between films and substrates is significantly suppressed or essentially prevented, avoiding the off-stoichiometry and malfunction of thin films, which usually occur in the conventional high-temperature crystallization processes. The process of present invention also decreases the grain size of formed films, thus reducing the roughness of films and producing relatively smooth, good quality films.
    Type: Grant
    Filed: December 24, 1998
    Date of Patent: November 7, 2000
    Inventor: Chung Hsin Lu