Patents by Inventor Wook Cho

Wook Cho 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).

  • Compound and Organic Light Emitting Device Using the Same
    Publication number: 20080093983
    Abstract: Disclosed is an organic light emitting device. The organic light emitting device comprises a first electrode, organic material layer(s) comprising a light emitting layer, and a second electrode. The first electrode, the organic material layer(s), and the second electrode form layered structure and at least one layer of the organic material layer(s) include the compound of Formula 1 or the compound of Formula 1 into which a thermosetting or photo-crosslinkable functional group is introduced.
    Type: Application
    Filed: September 23, 2005
    Publication date: April 24, 2008
    Inventors: Wook Cho, Ji Kim, Byung Jeon, Dong Jeong, Seok Yoon, Jae Moon
  • Compound and Organic Light Emitting Device Using the Same
    Publication number: 20080093982
    Abstract: Disclosed is an organic light emitting device. The organic light emitting device comprises a first electrode, organic material layer(s) comprising a light emitting layer, and a second electrode. The first electrode, the organic material layer(s), and the second electrode form layered structure and at least one layer of the organic material layer(s) include the compound of Formula 1 or the compound of Formula 1 into which a thermosetting or photo-crosslinkable functional group is introduced.
    Type: Application
    Filed: September 23, 2005
    Publication date: April 24, 2008
    Inventors: Wook Cho, Ji Eun Kim, Byung Sun Jeon, Jun Gi Jang, Seok Yoon, Jae Min Moon
  • Compound And Organic Light Emitting Device Using The Same
    Publication number: 20080008907
    Abstract: Disclosed is an organic light emitting device. The organic light emitting device comprises a first electrode, organic material layer(s) comprising a light emitting layer, and a second electrode. The first electrode, the organic material layer(s), and the second electrode form layered structure and at least one layer of the organic material layer(s) include the compound of Formula 1 or the compound of Formula 1 into which a thermosetting or photo-crosslinkable functional group is introduced.
    Type: Application
    Filed: September 23, 2005
    Publication date: January 10, 2008
    Inventors: Wook Cho, Ji Kim, Byung Jeon, Jun Jang, Seok Yoon, Jae Moon
  • New Compound and Organic Light Emitting Device Using the Same
    Publication number: 20070292715
    Abstract: Disclosed is an organic light emitting device. The organic light emitting device comprises a first electrode, organic material layer(s) comprising a light emitting layer, and a second electrode. The first electrode, the organic material layer(s), and the second electrode form layered structure and at least one layer of the organic material layer(s) include the compound of Formula 1 or the compound of Formula 1 into which a thermosetting or photo-crosslinkable functional group is introduced.
    Type: Application
    Filed: September 23, 2006
    Publication date: December 20, 2007
    Inventors: Seok Yoon, Jae Moon, In Hwang, Min Lee, Wook Cho, Jie Kim, Byung Jeon
  • New Compound and Organic Light Emitting Device Using the Same
    Publication number: 20070262706
    Abstract: Disclosed is an organic light emitting device. The organic light emitting device comprises a first electrode, organic material layer(s) comprising a light emitting layer, and a second electrode. The first electrode, the organic material layer(s), and the second electrode form layered structure and at least one layer of the organic material layer(s) include the compound of Formula 1 or the compound of Formula 1 into which a thermosetting or photo-crosslinkable functional group is introduced.
    Type: Application
    Filed: September 23, 2005
    Publication date: November 15, 2007
    Inventors: Seok Yoon, Jae Moon, In Hwang, Min Lee, Wook Cho, Ji Kim, Byung Jeon
  • Compound and Organic Light Emitting Device Using the Same
    Publication number: 20070247059
    Abstract: Disclosed is a novel compound which is capable of significantly improving a lifespan, efficiency, and electrochemical and thermal stabilities of an organic light emitting device, the production of the compound, and an organic light emitting device in which the compound is contained in an organic compound layer.
    Type: Application
    Filed: September 23, 2005
    Publication date: October 25, 2007
    Inventors: Wook Cho, Ji Kim, Byung Jeon, Seok Yoon, Jae Moon
  • Materials for injecting or transporting holes and organic electroluminescence devices using the same
    Publication number: 20050225235
    Abstract: The present invention relates to a novel compound that can significantly improve the lifespan, efficiency and thermal stability of an organic light emitting device, and to an organic electroluminescence device or light emitting device comprising the compound in an organic compound layer is also disclosed.
    Type: Application
    Filed: March 18, 2005
    Publication date: October 13, 2005
    Inventors: Ji Kim, Jae Lee, Kong Kim, Jae Bae, Jun Jang, Sang Jeon, Min Kang, Wook Cho, Byung Jeon, Yeon Kim