Patents by Inventor Yuan-Ren Juang

Yuan-Ren Juang 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: 20120126687
    Abstract: A phosphor and a manufacturing method thereof, and the light emitting device using the same are provided, wherein the composition formula of the phosphor is Ii-Mm-Aa-Bb—Ot—Nn:Zr, wherein I is selected from the group consisting of Li, Na, and K, M is selected from the group consisting of Ca, Sr, Mg, Ba, Be, and Zn, A is selected from the group consisting of Al, Ga, In, Sc, Y, La, Gd, and Lu, B is selected from the group consisting of Si, Ge, Sn, Ti, Zr, and Hr, and Z is selected from the group consisting of Eu and Ce; m+r=1, 0<i<0.25, 0<a<1, 0<b<2, 1.15<b/a<1.4, 0?t?0.7, 2.1?n?4.4, and 0.001?r?0.095.
    Type: Application
    Filed: August 22, 2011
    Publication date: May 24, 2012
    Applicant: CHI MEI CORPORATION
    Inventors: Yuan Ren Juang, Jen-Shrong Uen, Chih-Lung Lin
  • Publication number: 20120091879
    Abstract: The present invention provides a phosphor, including a constituent having the formula CapSrqMm-Aa-Bb—Ot—Nn:Zr, in which M selected from the group consisting of magnesium, barium, beryllium and zinc; A selected from the group consisting of aluminum, gallium, indium, scandium, yttrium, lanthanum, gadolinium and lutetium; B selected from the group consisting of silicon, germanium, tin, titanium, zirconium and hafnium; Z selected from the group consisting of europium and cerium; 0?p?1; 0?q<1; 0?m<1; 0?t?0.3; 0.00001?r?0.1; a=1, 0.8?b?1.2; and 2.7?n?3.1. Moreover, the normalized dissolved content of calcium of the phosphor is 1˜25 ppm, thereby obtaining a phosphor of high brilliance in the 600˜680 nm region. In addition, the present invention at the same time provides a high brilliance light emitting device.
    Type: Application
    Filed: June 13, 2011
    Publication date: April 19, 2012
    Applicant: CHI-MEI CORPORATION
    Inventors: Yuan-Ren JUANG, Jen-Shrong UEN, Chih-Lung LIN
  • Publication number: 20120091486
    Abstract: The present invention provides a phosphor, including a constituent having the formula CapSrqMm-Aa-Bb—Ot—Nn:Zr in which M selected from the group of magnesium, barium, beryllium and zinc; A selected from the group of aluminum, gallium, indium, scandium, yttrium, lanthanum, gadolinium and lutetium; B selected from the group of silicon, germanium, tin, titanium, zirconium and hafnium; Z selected from the group of europium and cerium; 0<p<1; 0<q<1; 0?m<1; 0?t?0.3; 0.00001?r?0.1; a=1, 0.8?b?1.2; and 2.7?n?3.1. Moreover, the normalized dissolved content of strontium of the phosphor is 1˜20 ppm, thereby obtaining a high brilliance phosphor in the 600˜680 nm region. In addition, the present invention at the same time provides a high brilliance light emitting device.
    Type: Application
    Filed: June 13, 2011
    Publication date: April 19, 2012
    Applicant: CHI-MEI CORPORATION
    Inventors: Yuan-Ren JUANG, Jen-Shrong UEN, Chih-Lung LIN
  • Publication number: 20120080704
    Abstract: A method of providing a phosphor with a precisely controlled element composition, a phosphor provided by the same, and a red phosphor represented by the [formula 1] are disclosed, in which CaaSrbAlcSidOeNf:Eug??[formula 1] wherein 0?a<1, 0?b<1, c=1, 0.8?d?1.2, 0?e?0.5, 2.5?f?3.1, 0.002?g?0.020, a and b are not both 0 at the same time; and a CIE1931 chromaticity coordinates (x, y) of a light emitted from the phosphor, which is excited by a wavelength of 455 nm, satisfies the formulae: x=[(?0.1059b3+0.068b2?0.06b)+(2152.8g3?309.2g2+8.2943g)+0.6324]±0.01; y=[(?0.1295b3?0.0968b20.0702b)+(?3299.2g3311.08g2?7.9266g)+0.3621]±0.01. The present invention also provides a light emitting device comprising the said red phosphor.
    Type: Application
    Filed: August 23, 2011
    Publication date: April 5, 2012
    Inventors: Yuan-Ren JUANG, Jen Shrong Uen, Chih Lung Lin
  • Publication number: 20120080999
    Abstract: The present invention provides a phosphor, including a constituent having the formula CapSrqMm-AaBb-Ot-Nn:Eur, wherein M selected from the group consisting of beryllium and zinc; A selected from the group consisting of aluminum, gallium, indium, scandium, yttrium, lanthanum, gadolinium and lutetium; B selected from a group consisting of silicon, germanium, tin, titanium, zirconium and hafnium; 0<p<1; 0<q<1; 0?m?1; 0?t?0.3; 0.00001?r?0.1; a=1, 0.8?b?1.2; and 2.7?n?3.1; and the phosphor contains 20˜1500 ppm of magnesium and/or 40˜5000 ppm of barium. A high brightness phosphor emitting in the 600˜680 nm region is achieved by means of adjusting the proportion of each of the elements of the phosphor, and in combination with controlling concentration of the magnesium and barium of the phosphor within a specific range. In addition, the present invention provides a light emitting device provided with high brilliance.
    Type: Application
    Filed: June 8, 2011
    Publication date: April 5, 2012
    Inventors: Yuan-Ren JUANG, Jen-Shrong Uen, Chih-Lung Lin