Patents by Inventor Yao-Tsung Chuang

Yao-Tsung Chuang 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).

  • Luminescent material and electronic device having a display function using the same
    Patent number: 11512246
    Abstract: A luminescent material includes a particle of an irregular shape. The particle of an irregular shape includes a core of an irregular shape and quantum dots. The quantum dots distribute on the core.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: November 29, 2022
    Assignee: CHIMEI CORPORATION
    Inventors: Yuan-Ren Juang, Szu-Chun Yu, Keng-Chu Lin, Wei-Ta Chen, Yao-Tsung Chuang, Jen-Shrong Uen
  • Luminescent material and light emitting device and display device using the same
    Patent number: 11205742
    Abstract: A luminescent material, a light emitting device, and a display device are disclosed. The luminescent material includes particles and a phosphor. The particles include quantum dots and have an average diameter of 0.06 ?m to 30 ?m.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: December 21, 2021
    Assignee: CHIMEI CORPORATION
    Inventors: Yuan-Ren Juang, Szu-Chun Yu, Keng-Chu Lin, Wei-Ta Chen, Yao-Tsung Chuang, Jen-Shrong Uen
  • LUMINESCENT MATERIAL AND LIGHT EMITTING DEVICE AND DISPLAY DEVICE USING THE SAME
    Publication number: 20190181306
    Abstract: A luminescent material, a light emitting device, and a display device are disclosed. The luminescent material includes particles and a phosphor. The particles include quantum dots and have an average diameter of 0.06 ?m to 30 ?m.
    Type: Application
    Filed: November 21, 2018
    Publication date: June 13, 2019
    Inventors: Yuan-Ren JUANG, Szu-Chun YU, Keng-Chu LIN, Wei-Ta CHEN, Yao-Tsung CHUANG, Jen-Shrong UEN
  • LUMINESCENT MATERIAL AND ELECTRONIC DEVICE HAVING A DISPLAY FUNCTION USING THE SAME
    Publication number: 20190177612
    Abstract: A luminescent material includes a particle of an irregular shape. The particle of an irregular shape includes a core of an irregular shape and quantum dots. The quantum dots distribute on the core.
    Type: Application
    Filed: November 8, 2018
    Publication date: June 13, 2019
    Inventors: Yuan-Ren JUANG, Szu-Chun YU, Keng-Chu LIN, Wei-Ta CHEN, Yao-Tsung CHUANG, Jen-Shrong UEN
  • Phosphor, preparing method for phosphor, and light emitting device
    Patent number: 9434878
    Abstract: A phosphor, a preparing method for the phosphor, and a light emitting device are provided. The phosphor has a formula of A3?xCexQ5O12. A and Q are independently comprise Al, Ga, In, Sc, Y, La, Gd, Tb, Lu elements or combinations thereof. Ce represents a cerium element. O represents an oxygen element. 0<x?3. The phosphor contains 100 ppm˜2000 ppm of Ba element.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: September 6, 2016
    Assignee: CHI MEI CORPORATION
    Inventors: Yao-Tsung Chuang, Jen-Shrong Uen
  • Fluorescent material and light emitting device using the same
    Patent number: 9115310
    Abstract: A fluorescent material and a light emitting device using the same are provided. The fluorescent material has a general formula of ((LumA1-m)zCe1-z)3Q5O12, wherein 0<m<1 and 0<z<1. A includes at least one of element Y, element La, and element Gd. Q includes at least one of element Al, element Ga, and element In. 1.74?(m*z+1?z)*3?3.0 and 0.1?(1?m)*z*3?1.35.
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: August 25, 2015
    Assignee: CHI MEI CORPORATION
    Inventors: Yao-Tsung Chuang, Jen-Shrong Uen, Chih-Lung Lin
  • PHOSPHOR, PREPARING METHOD FOR PHOSPHOR, AND LIGHT EMITTING DEVICE
    Publication number: 20150184072
    Abstract: A phosphor, a preparing method for the phosphor, and a light emitting device are provided. The phosphor has a formula of A3-xCexQ5O12. A and Q are independently comprise Al, Ga, In, Sc, Y, La, Gd, Tb, Lu elements or combinations thereof. Ce represents a cerium element. O represents an oxygen element. 0<x?3. The phosphor contains 100 ppm˜2000 ppm of Ba element.
    Type: Application
    Filed: October 23, 2014
    Publication date: July 2, 2015
    Inventors: Yao-Tsung Chuang, Jen-Shrong Uen
  • FLUORESCENT MATERIAL AND LIGHT EMITTING DEVICE USING THE SAME
    Publication number: 20130134865
    Abstract: A fluorescent material and a light emitting device using the same are provided. The fluorescent material has a general formula of ((LumA1-m)zCe1-z)3Q5O12, wherein 0<m<1 and 0<z<1. A includes at least one of element Tb, element La, and element Gd. Q includes at least one of element Al, element Ga, and element In. 2.42?(m*z+1?z)*3?2.60 and 0.4?(1?m)*z*3?0.58.
    Type: Application
    Filed: May 14, 2012
    Publication date: May 30, 2013
    Applicant: CHI MEI CORPORATION
    Inventors: Yao-Tsung Chuang, Jen-Shrong Uen, Chih-Lung Lin
  • FLUORESCENT MATERIAL AND LIGHT EMITTING DEVICE USING THE SAME
    Publication number: 20130099657
    Abstract: A fluorescent material and a light emitting device using the same are provided. The fluorescent material has a general formula of ((LumA1-m)zCe1-z)3Q5O12, wherein 0<m<1 and 0<z<1. A includes at least one of element Y, element La, and element Gd. Q includes at least one of element Al, element Ga, and element In. 1.74?(m*z+1?z)*3?3.0 and 0.1?(1?m)*z*3?1.35.
    Type: Application
    Filed: May 14, 2012
    Publication date: April 25, 2013
    Applicant: CHI MEI CORPORATION
    Inventors: Yao-Tsung Chuang, Jen-Shrong Uen, Chih-Lung Lin
  • Fluorescent substance having a controlled impurity doping of zinc and light-emitting device using the same
    Patent number: 8198798
    Abstract: A fluorescent substance includes zinc with a concentration not larger than 400 ppm, and a composition represented by the following formula (I): Ln3(AlxGa1-x)5O12:Cey??(I) wherein 0.4?x?0.97 and 0.038?y?0.048, Ln being composed of yttrium, or yttrium and at least one element selected from scandium, lanthanum, gadolinium, samarium, lutetium, and terbium. An emission spectrum of the fluorescent substance as it is excited by light has a dominant wavelength ranging from 500 nm to 550 nm.
    Type: Grant
    Filed: May 6, 2011
    Date of Patent: June 12, 2012
    Assignee: Chi Mei Corporation
    Inventors: Yao-Tsung Chuang, Jen-Shrong Uen, Chih-Lung Lin, Yuan-Jen Chuang
  • FLUORESCENT SUBSTANCE AND LIGHT-EMITTING DEVICE USING THE SAME
    Publication number: 20110273078
    Abstract: A fluorescent substance includes zinc with a concentration not larger than 400 ppm, and a composition represented by the following formula (I): Ln3(AlxGa1-x)5O12:Cey??(I) wherein 0.4?x?0.97 and 0.038?y?0.048, Ln being composed of yttrium, or yttrium and at least one element selected from scandium, lanthanum, gadolinium, samarium, lutetium, and terbium. An emission spectrum of the fluorescent substance as it is excited by light has a dominant wavelength ranging from 500 nm to 550 nm.
    Type: Application
    Filed: May 6, 2011
    Publication date: November 10, 2011
    Applicant: CHI MEI CORPORATION
    Inventors: Yao-Tsung CHUANG, Jen-Shrong UEN, Chih-Lung LIN, Yuan-Jen CHUANG