Patents by Inventor Dong-cheol Shin

Dong-cheol Shin 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).

  • Poly (phenylenevinylene) derivatives substituted with spirobifluorenyl group(s) and electroluminescent devices prepared using the same
    Publication number: 20020061419
    Abstract: Disclosed is an organic electroluminescent polymer represented by the following Formula 1: 1
    Type: Application
    Filed: October 4, 2001
    Publication date: May 23, 2002
    Inventors: Tae-Woo Woo, Hong You, Taek-Kyu Han, Dong-Jin Joo, Soon-Ki Kwon, Yun-Hi Kim, Dong-Cheol Shin, Sang-Yun Jung
  • Blue electroluminescence compound for an organic electroluminescence device and the organic electroluminescence device using the same
    Publication number: 20020055013
    Abstract: A blue electroluminescence compound for an electroluminescence display device comprising a spirobifluorene or triarylsilylphenyl group and a display device using such a blue electroluminescence compound, thereby improving a light emitting efficiency and brightness of the electroluminescence display device.
    Type: Application
    Filed: May 23, 2001
    Publication date: May 9, 2002
    Inventors: Sung Han Kim, Han Sung Yu, Soon Ki Kwon, Yun Hi Kim, Dong Cheol Shin, Hyun Wook Lee, Hyun Cheol Jeong
  • Light-emitting compound and display device adopting light-emitting compound as color-developing substance
    Patent number: 6338909
    Abstract: A light-emitting compound and a display device adopting the light-emitting compound as a color-developing substance. The light-emitting compound, as a blue luminous material, is good in luminous efficiency. When the display device adopts an organic layer such as a light-emitting layer, formed of the light-emitting compound, an organic organic electro-luminescence (EL) device displaying blue can be obtained.
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: January 15, 2002
    Assignee: Samsung Display Devices Co., Ltd.
    Inventors: Soon-ki Kwon, Yun-hi Kim, Dong-cheol Shin, Han-sung Yu, Seung-han Yoo
  • Light-emitting compound and display device adopting light-emitting compound as color-developing substance
    Patent number: 6337150
    Abstract: A light-emitting compound and a display device adopting the light-emitting compound as a color-developing substance. When the display device adopts an organic layer formed of such light-emitting compound as a blue light-emitting material, luminous efficiency of the display device is improved.
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: January 8, 2002
    Assignee: Samsung Display Devices Co., Ltd.
    Inventors: Soon-ki Kwon, Yun-hi Kim, Dong-cheol Shin, Jun-hwan Ahn, Han-sung Yu, Sung-hyun Cho
  • Blue-light emitting compound and display device adopting the same as color developing substance
    Patent number: 6312839
    Abstract: A blue-light emitting compound having fluorene side chains and an organic electroluminescence (EL) device adopting the blue-light emitting compound as a color developing substance. The blue-light emitting compound with fluorene side chains has the formula (1) The compound having the formula (1) hereinabove, as a blue light-emitting substance, is useful as a color developing substance for a display device with improved emission efficiency. The organic EL device adopts the compound having the formula (1) for its organic layer, for example, the emitter layer, which results in improved emission efficiency and luminance, compared to common blue light-emitting compounds.
    Type: Grant
    Filed: May 10, 2000
    Date of Patent: November 6, 2001
    Assignee: Samsung Display Devices Co., Ltd.
    Inventors: Dong-hyun Kim, Han-sung Yu, Soon-ki Kwon, Dong-cheol Shin, Yun-hi Kim