Patents by Inventor Yeonhee Choi

Yeonhee Choi 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: 20150325795
    Abstract: Provided are a compound capable of improving light emitting efficiency, stability, and lifespan of the element, an organic element using the same, and an electric device for the same.
    Type: Application
    Filed: December 3, 2013
    Publication date: November 12, 2015
    Applicants: DUK SAN NEOLUX CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Bumsung LEE, Yeonhee CHOI, Daesung KIM, Soungyun MUN, Jungcheol PARK, Kiho SO, Jinho YUN, Daehwan OH, Seungwon YEO, Mikyung KIM, Kwanhee LEE
  • Publication number: 20150303379
    Abstract: Provides herein are a compound capable of improving light emitting efficiency, stability, and lifespan of the element, an organic element using the same, and an electric device for the same.
    Type: Application
    Filed: December 3, 2013
    Publication date: October 22, 2015
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Bumsung LEE, Yeonhee CHOI, Daesung KIM, Soungyun MUN, Jungcheol PARK, Kiho SO, Jinho YUN, Daehwan OH, Seungwon YEO
  • Publication number: 20140374722
    Abstract: A compound represented by Formula 1. An organic electric element includes a first electrode, a second electrode, and an organic material layer including the compound of Formula 1. The organic material layer include a light emitting layer, a hole transport layer including a compound represented by Formula 2, and an emission-auxiliary layer including the compound represented by Formula 1. When the organic electric element includes the compound in the organic material layer, luminous efficiency, color purity, and life span can be improved.
    Type: Application
    Filed: January 14, 2013
    Publication date: December 25, 2014
    Inventors: Dongha Kim, Sunhee Lee, Yeonhee Choi, Soungyun Mun, Jungcheol Park, Yongwook Park, Heesun Ji, Junghwan Park, Bumsung Lee, Sunpil Hwang
  • Patent number: 7414124
    Abstract: This invention is directed to plant genetic engineering. In particular, it relates to, for example, modulating seed (and in particular endosperm, embryo and seed coat) development, flowering time, chromosomal DNA methylation and modulating transcription in plants.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: August 19, 2008
    Assignee: The Regents of the University of California
    Inventors: Robert L. Fischer, Yeonhee Choi, Mike Hannon
  • Publication number: 20060292687
    Abstract: This invention is directed to plant genetic engineering. In particular, it relates to, for example, modulating seed (and in particular endosperm, embryo and seed coat) development, flowering time, chromosomal DNA methylation and modulating transcription in plants.
    Type: Application
    Filed: June 7, 2006
    Publication date: December 28, 2006
    Applicant: The Regents of the University of California
    Inventors: Robert Fischer, Yeonhee Choi, Mike Hannon
  • Patent number: 7109394
    Abstract: This invention is directed to plant genetic engineering. In particular, it relates to DEMETER (DMT) nucleic acids and polypeptides that control, for example, seed (and in particular endosperm, embryo and seed coat) development, flowering time, chromosomal DNA methylation and transcription in plants.
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: September 19, 2006
    Assignee: Regents of the University of California
    Inventors: Robert Fischer, Yeonhee Choi, Mike Hannon
  • Publication number: 20030135890
    Abstract: This invention is directed to plant genetic engineering. In particular, it relates to, for example, modulating seed (and in particular endosperm, embryo and seed coat) development, flowering time, chromosomal DNA methylation and modulating transcription in plants.
    Type: Application
    Filed: April 23, 2001
    Publication date: July 17, 2003
    Inventors: Robert Fischer, Yeonhee Choi, Mike Hannon, Jack Okamuro, Tatiana Tatarinova
  • Patent number: 6476296
    Abstract: The invention provides methods of controlling endosperm and seed development in plants.
    Type: Grant
    Filed: April 21, 2000
    Date of Patent: November 5, 2002
    Assignee: The Regents of the University of California
    Inventors: Robert L. Fischer, Yeonhee Choi, Mike Hannon