Patents by Inventor Chang-woong Chu

Chang-woong Chu 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).

  • Organic light-emitting devices
    Patent number: 9012903
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, and the emission layer includes at least one light-emitting material represented by one of Formulas 1 and 2. The organic layer further includes at least one hole-transporting material represented by one of Formulas 2(1) and 2(2).
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: April 21, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwan-Hee Cho, Mi-Kyung Kim, Se-Hun Kim, Dong-Hyun Kim, Chang-Woong Chu
  • Three-dimensional image display and converter therefor
    Patent number: 8995047
    Abstract: A display device includes a display panel and a converter formed on a front surface of the display panel. The converter performs conversion between a 2-dimensional image and a 3-dimensional image. The converter includes a plurality of protrusion electrodes formed on a first substrate. A plate electrode is positioned on a second substrate facing the first substrate. A transparent medium is positioned between the protrusion electrodes and the plate electrode. A plurality of conductive particles is positioned in the transparent medium.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: March 31, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Chang-Woong Chu
  • ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20150060796
    Abstract: Provided is an organic light-emitting device, including a first electrode; a second electrode facing the first electrode; an emission layer (EML) disposed between the first electrode and the second electrode; a hole transporting region between the first electrode and the EML; and an electron transporting region between the EML and the second electrode.
    Type: Application
    Filed: July 9, 2014
    Publication date: March 5, 2015
    Inventors: Dong-Hyun KIM, Mi-Kyung KIM, Se-Hun KIM, Hwan-Hee CHO, Chang-Woong CHU, Kwan-Hee LEE
  • ANTHRACENE-BASED COMPOUNDS AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20150053946
    Abstract: An anthracene-based compound is provided represented by Formula 1: wherein the substituents are described herein.
    Type: Application
    Filed: July 9, 2014
    Publication date: February 26, 2015
    Inventors: Mi-Kyung KIM, Chang-Woong CHU, Se-Hun KIM, Dong-Hyun KIM, Yun-Hi KIM, Soon-Ki KWON, Yun-ji LEE
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20150053944
    Abstract: An organic light-emitting device includes a first electrode; a second electrode opposite to the first electrode; and an organic layer between the first electrode and the second electrode, and the organic layer including an emission layer that includes at least one silane-based compound represented by Formula 1 below and at least one anthracene-based compound represented by Formula 20 below. wherein, in Formulae 1 and 20 above, R1 to R6, R11 to R16, L1 to L4, Ar1, Ar2, a, b, c, d, i, j, l, k, and n are further defined.
    Type: Application
    Filed: June 19, 2014
    Publication date: February 26, 2015
    Inventors: Se-Hun KIM, Dong-Hyun KIM, Hwan-Hee CHO, Mi-Kyung KIM, Chang-Woong CHU, Yun-Ji LEE, Yun-Hi KIM, Soon-Ki KWON
  • ANTHRACENE-BASED COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING THE SAME
    Publication number: 20150053945
    Abstract: An anthracene-based compound is provided as represented by Formula 1: with substituents as described herein.
    Type: Application
    Filed: June 25, 2014
    Publication date: February 26, 2015
    Inventors: Mi-Kyung KIM, Chang-Woong CHU, Se-Hun KIM, Hwan-Hee CHO, Dong-Hyun KIM, Yun-Hi KIM, Soon-Ki KWON, Yun-Ji LEE
  • AMINE-BASED COMPOUND AND ORGANIC LIGHT-EMITTING DIODE INCLUDING THE SAME
    Publication number: 20150048332
    Abstract: An amine-based compound is represented by Formula 1 below: wherein Z11 to Z24, R1 to R4 and Ar1 are as indicated in the specification. An organic light-emitting diode includes the amine-based compound.
    Type: Application
    Filed: July 9, 2014
    Publication date: February 19, 2015
    Inventors: Dong-Hyun KIM, Mi-Kyung KIM, Se-Hun KIM, Hwan-Hee CHO, Sam-Il KHO, Hyoung-Kun KIM, Chang-Woong CHU
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20150034917
    Abstract: A heterocyclic compound of Formula 1 below and an organic light-emitting device including the same are provided. X1 to X4, L1, L2, n, m, and Ar1 to, Ar4 in Formula 1 are defined as in the specification.
    Type: Application
    Filed: March 24, 2014
    Publication date: February 5, 2015
    Applicants: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, SAMSUNG DISPLAY CO., LTD.
    Inventors: Se-Hun Kim, Mi-Kyung Kim, Jong-In Hong, Dong-Hyun Kim, Seong-Jin Jeong, Hwan-Hee Cho, Chang-Woong Chu
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20150034919
    Abstract: Provided is an organic light-emitting device with a blue emission layer. The blue emission layer is an emission layer that emits blue light by a fluorescent emission mechanism.
    Type: Application
    Filed: April 30, 2014
    Publication date: February 5, 2015
    Inventors: Mi-Kyung Kim, Kwan-Hee Lee, Sam-Il Kho, Chang-Woong Chu
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20150034915
    Abstract: An organic light-emitting device includes a first electrode, a second electrode, and an organic layer interposed between the first electrode and the second electrode, wherein the organic layer includes an emission layer, the emission layer includes a compound represented by Formula 2 below, and a second layer including a heterocyclic compound represented by Formula 1 below either between the emission layer and the first electrode or between the emission layer and the second electrode. Formula 1 and Formula 2 are defined in the same manner as described in the detailed description.
    Type: Application
    Filed: March 13, 2014
    Publication date: February 5, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Myeong-Suk Kim, Sung-Wook Kim, Jae-Hong Kim, Chang-Woong Chu, Sam-Il Kho, Ja-Hyun Im
  • AMINE-BASED COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20150001494
    Abstract: An amine-based compound is represented by Formula 1 below: wherein A1, X1, X2, R3-R6, R11-R12, L11, L12, L21, L22, a11, a12, a21, a22, and b3-b6 are as defined in the specification. An organic light-emitting device includes the amine-based compound.
    Type: Application
    Filed: March 31, 2014
    Publication date: January 1, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myeong-Suk KIM, Soung-Wook KIM, Chang-Woong CHU
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20150001511
    Abstract: An organic light-emitting device includes a first electrode, a second electrode disposed opposite to the first electrode, and an organic layer disposed between the first electrode and the second electrode and including an emission layer. The emission layer includes at least one first light-emitting material represented by Formula 1 and at least one second light-emitting material represented by Formula 2: X1 to X12, Ar1, M, X21 to X24, A, B, R1 to R12, R21, R22, a1, a2, n, L, M in Formulae 1 and 2 are defined as in the specification.
    Type: Application
    Filed: June 30, 2014
    Publication date: January 1, 2015
    Inventors: Mi-Kyung KIM, Chang-Woong CHU, Kwan-Hee LEE, Se-Hun KIM, Hwan-Hee CHO, Dae-Yup SHIN, Jung-Hwan PARK, Bum-Sung LEE
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20140374711
    Abstract: Provided is an organic light-emitting device including a first electrode; a second electrode disposed opposite to the first electrode; an emission layer disposed between the first electrode and the second electrode, the emission layer including at least one specific light-emitting material; and a hole-transporting region disposed between the first electrode and the emission layer, the hole-transporting region including at least one specific hole-transporting material.
    Type: Application
    Filed: April 14, 2014
    Publication date: December 25, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hwan-Hee CHO, Mi-Kyung KIM, Se-Hun KIM, Dong-Hyun KIM, Chang-Woong CHU
  • AMINE-BASED COMPOUND AND ORGANIC LIGHT-EMITTING DIODE INCLUDING THE SAME
    Publication number: 20140374717
    Abstract: An amine-based compound is represented by Formula 1: An organic light-emitting diode includes a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer and the amine-based compound represented by Formula 1. The OLED including the amine-based compound represented by Formula 1 has good color purity, low driving voltage, high efficiency, high brightness, and/or a long lifetime.
    Type: Application
    Filed: June 18, 2014
    Publication date: December 25, 2014
    Inventors: Mi-Kyung Kim, Chang-Woong Chu, Sam-Il Kho, Dong-Hyun Kim, Kwan-Hee Lee, Jong-In Hong, Seong-Jin Jeong
  • ORGANIC LIGHT-EMITTING DEVICES
    Publication number: 20140367649
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, and the emission layer includes at least one light-emitting material represented by one of Formulas 1 and 2. The organic layer further includes at least one hole-transporting material represented by one of Formulas 2(1) and 2(2).
    Type: Application
    Filed: October 23, 2013
    Publication date: December 18, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hwan-Hee Cho, Mi-Kyung Kim, Se-Hun Kim, Dong-Hyun Kim, Chang-Woong Chu
  • Organic light-emitting diode comprising amine-based compounds and anthracene-based compounds
    Patent number: 8912548
    Abstract: An organic light-emitting diode includes a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode. The organic layer includes an emission layer. The organic layer also includes at least one amine-based compound and at least one anthracene-based compound. The organic layer may include a first emission layer and a second emission layer, and the amine-based compound may be in the first emission layer and the anthracene-based compound may be in the second emission layer.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: December 16, 2014
    Assignees: Samsung Display Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Hwan-Hee Cho, Mi-Kyung Kim, Se-Hun Kim, Chang-Woong Chu, Myoung-Ki Kim, Jong-In Hong
  • THREE-DIMENSIONAL IMAGE DISPLAY AND CONVERTER THEREFOR
    Publication number: 20140355103
    Abstract: A display device includes a display panel and a converter formed on a front surface of the display panel. The converter performs conversion between a 2-dimensional image and a 3-dimensional image. The converter includes a plurality of protrusion electrodes formed on a first substrate. A plate electrode is positioned on a second substrate facing the first substrate. A transparent medium is positioned between the protrusion electrodes and the plate electrode. A plurality of conductive particles is positioned in the transparent medium.
    Type: Application
    Filed: October 23, 2013
    Publication date: December 4, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventor: CHANG-WOONG CHU
  • ORGANIC LIGHT-EMITTING DIODE
    Publication number: 20140346463
    Abstract: An organic light-emitting diode including a substrate; a first electrode on the substrate; a second electrode disposed opposite to the first electrode; and an emission layer between the first electrode and the second electrode, the emission layer including an anthracene-based compound represented by Formula 1, below, and a condensed cyclic compound represented by Formula 20, below:
    Type: Application
    Filed: November 12, 2013
    Publication date: November 27, 2014
    Inventors: Se-Hun KIM, Dong-Hyun KIM, Hwan-Hee CHO, Mi-Kyung KIM, Chang-Woong CHU, Yun-Hi KIM, Soon-Ki KWON
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20140346456
    Abstract: An organic light-emitting diode includes a substrate, a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode.
    Type: Application
    Filed: October 3, 2013
    Publication date: November 27, 2014
    Applicants: Gyeongsang National University Industry-Academic Cooperation Foundation, SAMSUNG DISPLAY CO., LTD.
    Inventors: Se-Hun Kim, Hwan-Hee Cho, Mi-Kyung Kim, Chang-Woong Chu, Yun-Hi Kim
  • ORGANIC LIGHT-EMITTING DIODE
    Publication number: 20140346462
    Abstract: An organic light-emitting diode, comprising a substrate; a first electrode on the substrate; a second electrode disposed opposite to the first electrode; and an emission layer between the first electrode and the second electrode, the emission layer including an anthracene-based compound represented by Formula 1, below, and a condensed cyclic compound represented by Formula 20, below:
    Type: Application
    Filed: November 7, 2013
    Publication date: November 27, 2014
    Inventors: Se-Hun KIM, Dong-Hyun KIM, Hwan-Hee CHO, Mi-Kyung KIM, Chang-Woong CHU, Yun-Ji LEE, Yun-Hi KIM, Soon-Ki KWON