Patents by Inventor Yeon Ji Chung

Yeon Ji Chung 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).

  • Patent number: 9660207
    Abstract: An organic solar cell includes a first sub-cell including a first active layer and a second sub-cell including a second active layer, wherein at least one of the first active layer and the second active layer includes at least two types of electron acceptors having different light absorbance from each other.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: May 23, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Soo Ghang Ihn, Jong Hwan Park, Yeon Ji Chung, Young Min Nam
  • Patent number: 9112156
    Abstract: An electron-donating polymer may include a repeating unit A including a repeating unit according to Chemical Formula 3 and at least one selected from a repeating unit according to Chemical Formula 1, a repeating unit according to Chemical Formula 2, and a combination thereof, and a repeating unit B including a repeating unit according to Chemical Formula 4 and a repeating unit according to Chemical Formula 5.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: August 18, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeong Suk Choi, Soo-Ghang Ihn, Bulliard Xavier, Sung Young Yun, Youn Hee Lim, Yeon Ji Chung
  • Patent number: 8941007
    Abstract: A polymer, and an organic solar cell including the polymer, include a repeating unit A represented by Chemical Formula 1, and a repeating unit B represented by Chemical Formula 2.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: January 27, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Soo-Ghang Ihn, Yeong-Suk Choi, Youn-Hee Lim, Bulliard Xavier, Sung-Young Yun, In-Sun Park, Yeon-Ji Chung
  • Patent number: 8912434
    Abstract: A polymer, and an organic solar cell including the polymer, include a repeating unit A represented by Chemical Formula 1, and a repeating unit B represented by Chemical Formula 2.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: December 16, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Soo-Ghang Ihn, Yeong Suk Choi, Youn Hee Lim, Bulliard Xavier, Sung Young Yun, In Sun Park, Yeon Ji Chung
  • Patent number: 8895693
    Abstract: An electron-donating polymer including a repeating unit A with a repeating unit represented by Chemical Formula 1 and at least one of repeating units represented by Chemical Formulae 2-4.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: November 25, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeong Suk Choi, Soo-Ghang Ihn, Bulliard Xavier, Sung Young Yun, Youn Hee Lim, In Sun Park, Yeon Ji Chung
  • Publication number: 20140026948
    Abstract: An organic solar cell includes a first sub-cell including a first active layer and a second sub-cell including a second active layer, wherein at least one of the first active layer and the second active layer includes at least two types of electron acceptors having different light absorbance from each other.
    Type: Application
    Filed: July 23, 2013
    Publication date: January 30, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Soo Ghang IHN, Jong Hwan PARK, Yeon Ji CHUNG, Young Min NAM
  • Publication number: 20130087202
    Abstract: A polymer, and an organic solar cell including the polymer, include a repeating unit A represented by Chemical Formula 1, and a repeating unit B represented by Chemical Formula 2.
    Type: Application
    Filed: March 15, 2012
    Publication date: April 11, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Soo-Ghang Ihn, Yeong-Suk Choi, Youn-Hee Lim, Bulliard Xavier, Sung-Young Yun, In-Sun Park, Yeon-Ji Chung
  • Publication number: 20130061928
    Abstract: According to example embodiments, an organic solar cell includes a first electrode, a second electrode on the first electrode, and a photoactive layer between the first electrode and the second electrode. The photoactive layer includes a photoactive material and an ultraviolet (UV) absorber. The ultraviolet (UV) absorber may be represented by Chemical Formula 1, disclosed herein.
    Type: Application
    Filed: February 13, 2012
    Publication date: March 14, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Young Yun, Yeong Suk Choi, Soo-Ghang Ihn, Bulliard Xavier, Youn Hee Lim, In Sun Park, Yeon Ji Chung
  • Publication number: 20120279568
    Abstract: An electron-donating polymer may include a repeating unit A including a repeating unit according to Chemical Formula 3 and at least one selected from a repeating unit according to Chemical Formula 1, a repeating unit according to Chemical Formula 2, and a combination thereof, and a repeating unit B including a repeating unit according to Chemical Formula 4 and a repeating unit according to Chemical Formula 5.
    Type: Application
    Filed: November 10, 2011
    Publication date: November 8, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeong Suk Choi, Soo-Ghang Ihn, Bulliard Xavier, Sung Young Yun, Youn Hee Lim, Yeon Ji Chung
  • Publication number: 20110315225
    Abstract: An electron-donating polymer including a repeating unit A with a repeating unit represented by Chemical Formula 1 and at least one of repeating units represented by Chemical Formulae 2-4.
    Type: Application
    Filed: June 22, 2011
    Publication date: December 29, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeong Suk Choi, Soo-Ghang Ihn, Bulliard Xavier, Sung Young Yun, Youn Hee Lim, In Sun Park, Yeon Ji Chung