Patents by Inventor Daehyuk Choi

Daehyuk 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).

  • Compound containing 5-membered heterocycles, organic electronic device using same, and terminal comprising the latter
    Patent number: 9290513
    Abstract: Disclosed is a compound represented by Formula 1 or Formula 2, and an organic electric element comprising a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode, wherein the organic material layer comprises the compound of Formula 1 or 2 to improve luminous efficiency, stability, and life span.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: March 22, 2016
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Junghwan Park, Daesung Kim, Jungcheol Park, Yongwook Park, Hwasoon Jung, Soungyun Mun, Daehyuk Choi, Dongha Kim, Bumsung Lee
  • Organic compounds for organic electronic devices and terminals
    Patent number: 9233923
    Abstract: Organic compounds, and organic electronic devices and terminals that include the organic compounds, are disclosed. The organic compounds have aryl or hetero aryl groups condensed with inden and indole groups. When included in an organic electronic device or terminal, the organic compound improves the luminous efficiency, the stability, and the lifetime of the organic electronic device or terminal.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: January 12, 2016
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Dongha Kim, Wonsam Kim, Daesung Kim, Daehyuk Choi, Junghwan Park, Jungcheol Park, Kiwon Kim, Hwasoon Jung, Yongwook Park, Hansung Yu, Soungyun Mun
  • COMPOUND CONTAINING 5-MEMBERED HETEROCYCLES, ORGANIC ELECTRONIC DEVICE USING SAME, AND TERMINAL COMPRISING THE LATTER
    Publication number: 20150307514
    Abstract: Disclosed is a compound represented by Formula 1 or Formula 2, and an organic electric element comprising a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode, wherein the organic material layer comprises the compound of Formula 1 or 2 to improve luminous efficiency, stability, and life span.
    Type: Application
    Filed: July 6, 2015
    Publication date: October 29, 2015
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Junghwan PARK, Daesung KIM, Jungcheol PARK, Yongwook PARK, Hwasoon JUNG, Soungyun MUN, Daehyuk CHOI, Dongha KIM, Bumsung LEE
  • Organic compound, organic electronic device using same, and terminal for same
    Patent number: 9102616
    Abstract: Disclosed are an organic compound, an organic electronic device using the same, and a terminal thereof.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: August 11, 2015
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Dongha Kim, Soungyun Mun, Jungcheol Park, Jinuk Ju, Jangyeol Baek, Wonsam Kim, Eunkyung Kim, Daehyuk Choi, Junghwan Park
  • Compound containing 5-membered heterocycles, organic light-emitting device using same, and terminal comprising the latter
    Patent number: 9079920
    Abstract: Disclosed are a compound including 5-membered heterocycles, an organic electronic device using the same, and a terminal including the latter.
    Type: Grant
    Filed: August 9, 2010
    Date of Patent: July 14, 2015
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Junghwan Park, Daesung Kim, Jungcheol Park, Yongwook Park, Hwasoon Jung, Soungyun Mun, Daehyuk Choi, Dongha Kim, Bumsung Lee
  • Compound including indole derivative in which two tertiary amines are substituted, organic electronic element using same, and terminal thereof
    Patent number: 9017828
    Abstract: Disclosed are a compound represented by Formula below, including an indole derivative in which two tertiary amines are substituted, an organic electronic element using the same, and a terminal thereof.
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: April 28, 2015
    Assignee: Duk San Neolux Co., Ltd.
    Inventors: Dongha Kim, Jungcheol Park, Jinuk Ju, Jangyeol Baek, Wonsam Kim, Eunkyung Kim, Daehyuk Choi, Junghwan Park
  • Compound containing a 5-membered heterocycle and organic light-emitting diode using same, and terminal for same
    Patent number: 8889271
    Abstract: Disclosed are a novel-structural compound including a 5-membered heterocycle, an organic electronic device using the same, and a terminal thereof.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: November 18, 2014
    Assignees: Duksan High Metal Co., Ltd., Samsung Mobile Display Co., Ltd.
    Inventors: Junghwan Park, Daesung Kim, Jungcheol Park, Kiwon Kim, Jinuk Ju, Jangyeol Baek, Soungyun Mun, Yongwook Park, Hwasoon Jung, Wonsam Kim, Jihun Byun, Sungjin Park, Eunkyung Kim, Daehyuk Choi, Dongha Kim, Hansung Yu, Kwanhee Lee, Taeshick Kim, Daeyup Shin, Mikyung Kim, Dongheon Kim
  • COMPOUND INCLUDING INDOLE DERIVATIVE IN WHICH TWO TERTIARY AMINES ARE SUBSTITUTED, ORGANIC ELECTRONIC ELEMENT USING SAME, AND TERMINAL THEREOF
    Publication number: 20130001540
    Abstract: Disclosed are a compound including an indole derivative in which two tertiary amines are substituted, an organic electronic element using the same, and a terminal thereof.
    Type: Application
    Filed: March 9, 2011
    Publication date: January 3, 2013
    Applicant: DUKSAN HIGH METAL CO., LTD.
    Inventors: Dongha Kim, Jungcheol Park, Jinuk Ju, Jangyeol Baek, Wonsam Kim, Eunkyung Kim, Daehyuk Choi, Junghwan Park
  • COMPOUND INCLUDING INDOLE DERIVATIVE, ORGANIC ELECTRONIC ELEMENT USING SAME, AND TERMINAL THEREOF
    Publication number: 20120305906
    Abstract: Disclosed are a compound including an indole derivative, an organic electronic element using the same, and a terminal thereof.
    Type: Application
    Filed: July 12, 2010
    Publication date: December 6, 2012
    Applicant: DUKSAN HIGH METAL CO., LTD.
    Inventors: Dongha Kim, Jungcheol Park, Jinuk Ju, Jangyeol Baek, Wonsam Kim, Eunkyung Kim, Daehyuk Choi, Junghwan Park
  • ORGANIC COMPOUND, ORGANIC ELECTRONIC DEVICE USING SAME, AND TERMINAL FOR SAME
    Publication number: 20120217492
    Abstract: Disclosed are an organic compound, an organic electronic device using the same, and a terminal thereof.
    Type: Application
    Filed: October 29, 2010
    Publication date: August 30, 2012
    Applicant: DUKSAN HIGH METAL CO., LTD.
    Inventors: Dongha Kim, Soungyun Mun, Jungcheol Park, Jinuk Ju, Jangyeol Baek, Wonsam Kim, Eunkyung Kim, Daehyuk Choi, Junghwan Park
  • COMPOUND CONTAINING 5-MEMBERED HETEROCYCLES, ORGANIC LIGHT-EMITTING DEVICE USING SAME, AND TERMINAL COMPRISING THE LATTER
    Publication number: 20120168734
    Abstract: Disclosed are a compound including 5-membered heterocycles, an organic electronic device using the same, and a terminal including the latter.
    Type: Application
    Filed: August 9, 2010
    Publication date: July 5, 2012
    Applicant: DUKSAN HIGH METAL CO., LTD.
    Inventors: Junghwan Park, Daesung Kim, Jungcheol Park, Yongwook Park, Hwasoon Jung, Soungyun Mun, Daehyuk Choi, Dongha Kim, Bumsung Lee
  • COMPOUND CONTAINING A 5-MEMBERED HETEROCYCLE AND ORGANIC LIGHT-EMITTING DIODE USING SAME, AND TERMINAL FOR SAME
    Publication number: 20120080670
    Abstract: Disclosed are a novel-structural compound including a 5-membered heterocycle, an organic electronic device using the same, and a terminal thereof.
    Type: Application
    Filed: April 30, 2010
    Publication date: April 5, 2012
    Applicants: Samsung Mobile Display Co., Ltd., Duksan High Metal Co., Ltd.
    Inventors: Junghwan Park, Daesung Kim, Jungcheol Park, Klwon Kim, Jinuk Ju, Jangyeol Baek, Soungyun Mun, Yongwook Park, Hwasoon Jung, Wonsam Kim, Jihun Byun, Sungjin Park, Eunkyung Kim, Daehyuk Choi, Dongha Kim, Hansung Yu, Kwanhee Lee, Taeshick Kim, Daeyup Shin, Mikyung Kim, Dongheon Kim
  • ORGANIC ELECTRONIC DEVICE, COMPOUNDS FOR SAME, AND TERMINAL
    Publication number: 20120018717
    Abstract: Disclosed are an organic electronic device and a compound thereof, and a terminal.
    Type: Application
    Filed: March 29, 2010
    Publication date: January 26, 2012
    Applicant: DUKSAN HIGH METAL CO., LTD.
    Inventors: Dongha Kim, Wonsam Kim, Daesung Kim, Daehyuk Choi, Junghwan Park, Jungcheol Park, Kiwon Kim, Hwasoon Jung, Yongwook Park, Hansung Yu, Soungyun Mun