Patents by Inventor Hyun Sik Chae

Hyun Sik Chae 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).

  • Luminescent compound and electroluminescent device exhibiting thermally activated delayed fluorescence
    Patent number: 9957280
    Abstract: A chemical compound is provided having a structure that includes at least one donor moiety covalently bonded to at least one acceptor moiety. For example, the compound may include an indolocarbazole moiety covalently bonded to at least one furylpyridine moiety. The compound may exhibit thermally activated delayed fluorescence and an accompanying ?EST of no greater than about 0.25 eV. The compound finds use in OLED display technology.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: May 1, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Sik Chae, David P. McMahon, Troy Van Voorhis, Ohyun Kwon, Seong Ik Hong, Soonok Jeon
  • BIPYRIDINE DERIVATIVES AND THEIR USES FOR ORGANIC LIGHT EMITTING DIODES
    Publication number: 20180002287
    Abstract: A condensed cyclic compound represented by Formula 1: Ar1-(L1)a1-B-(L2)a2-Ar2??Formula 1 wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Application
    Filed: June 26, 2017
    Publication date: January 4, 2018
    Inventors: Hyun Sik CHAE, Kyungdoc KIM, Sae Youn LEE, Soonok JEON, Hiroshi MIYAZAKI, Masaki NUMATA, Youngmin NAM, Tae-Rae KIM, In Koo KIM, Won-Joon SON, Won Seok OH, Younsuk CHOI, Sunghan KIM, Jeong-Ju CHO
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20170092872
    Abstract: An organic light-emitting device including a first electrode; a second electrode; and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer comprises an emission layer, and wherein the organic layer comprises a first compound represented by Formula 1 and a second compound having the lowest excited triplet energy level greater than 2.73 electron volts: wherein in Formula 1, R11 to R33 are the same as described in the specification.
    Type: Application
    Filed: August 1, 2016
    Publication date: March 30, 2017
    Inventors: Hyun Sik CHAE, Soonok JEON, Hosuk KANG, Hiroshi MIYAZAKI, Sooghang IHN, Seongik HONG, Masaki NUMATA, Sunghan KIM, Rafael GOMEZ-BOMBARELLI, Martin B.Z. FORSYTHE, Jorge AGUILERA-IPARRAGUIRRE, Alan ASPURU-GUZIK, Timothy D. HIRZEL
  • LUMINESCENT COMPOUND AND ELECTROLUMINESCENT DEVICE EXHIBITING THERMALLY ACTIVATED DELAYED FLUORESCENCE
    Publication number: 20160168162
    Abstract: A chemical compound is provided having a structure that includes at least one donor moiety covalently bonded to at least one acceptor moiety. For example, the compound may include an indolocarbazole moiety covalently bonded to at least one furylpyridine moiety. The compound may exhibit thermally activated delayed fluorescence and an accompanying ?EST of no greater than about 0.25 eV. The compound finds use in OLED display technology.
    Type: Application
    Filed: March 24, 2015
    Publication date: June 16, 2016
    Inventors: Hyun Sik Chae, David P. McMahon, Troy Van Voorhis, Ohyun Kwon, Seong IK Hong, Soonok Jeon
  • Emissive aryl-heteroaryl compounds
    Patent number: 8927121
    Abstract: Disclosed herein are compounds represented by Formula 1, wherein R1, Ar1, X, Ar2, Ar3, and Het are described herein. Compositions and light-emitting devices related thereto are also disclosed.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: January 6, 2015
    Assignee: Nitto Denko Corporation
    Inventors: Shijun Zheng, Jensen Cayas, Sheng Li, Amane Mochizuki, Hyun Sik Chae, Brett T. Harding
  • Emissive aryl-heteroaryl compounds
    Patent number: 8771845
    Abstract: Disclosed herein are compounds represented by Formula 1, wherein R1, Ar1, X, Ar2, Ar3, and Het are described herein. Compositions and light-emitting devices related thereto are also disclosed.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: July 8, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Shijun Zheng, Jensen Cayas, Sheng Li, Amane Mochizuki, Hyun Sik Chae, Brett T. Harding
  • Light emitting devices and compositions
    Patent number: 8609258
    Abstract: A light emitting composition includes a light-emitting iridium-functionalized nanoparticle, such as a compound of formula (I). The compound of formula (I) further comprises at least one host attached to the core. A light emitting device includes an anode, a cathode, and a layer containing such a light-emitting composition is also disclosed. In an embodiment, the light emitting device can emit white light.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: December 17, 2013
    Assignee: Nitto Denko Corporation
    Inventors: Hyun Sik Chae, Yutaka Ohmori, Jesse Froelich, Sheng Li, Amane Mochizuki
  • Light emitting devices and compositions
    Patent number: 8597803
    Abstract: A light emitting composition includes a light-emitting lumophore-functionalized nanoparticle, such as an organic-inorganic light-emitting lumophore-functionalized nanoparticle. A light emitting device includes an anode, a cathode, and a layer containing such a light-emitting composition. In an embodiment, the light emitting device can emit white light.
    Type: Grant
    Filed: May 9, 2012
    Date of Patent: December 3, 2013
    Assignee: Nitto Denko Corporation
    Inventors: Jesse Froehlich, Hyun Sik Chae, Amane Mochizuki, Sheng Li
  • EMISSIVE ARYL-HETEROARYL COMPOUNDS
    Publication number: 20130284907
    Abstract: Disclosed herein are compounds represented by Formula 1, wherein R1, Ar1, X, Ar2, Ar3, and Het are described herein. Compositions and light-emitting devices related thereto are also disclosed.
    Type: Application
    Filed: June 24, 2013
    Publication date: October 31, 2013
    Inventors: Shijun Zheng, Jensen Cayas, Sheng Li, Amane Mochizuki, Hyun Sik Chae, Brett T. Harding
  • LIGHT EMITTING DEVICES AND COMPOSITIONS
    Publication number: 20120305895
    Abstract: A light emitting composition includes a light-emitting iridium-functionalized nanoparticle, such as a compound of formula (I). The compound of formula (I) further comprises at least one host attached to the core. A light emitting device includes an anode, a cathode, and a layer containing such a light-emitting composition is also disclosed. In an embodiment, the light emitting device can emit white light.
    Type: Application
    Filed: April 30, 2012
    Publication date: December 6, 2012
    Inventors: Hyun Sik Chae, Yutaka Ohmori, Jesse Froehlich, Sheng Li, Amane Mochizuki
  • LIGHT EMITTING DEVICES AND COMPOSITIONS
    Publication number: 20120273765
    Abstract: A light emitting composition includes a light-emitting lumophore-functionalized nanoparticle, such as an organic-inorganic light-emitting lumophore-functionalized nanoparticle. A light emitting device includes an anode, a cathode, and a layer containing such a light-emitting composition. In an embodiment, the light emitting device can emit white light.
    Type: Application
    Filed: May 9, 2012
    Publication date: November 1, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: JESSE FROEHLICH, HYUN SIK CHAE, AMANE MOCHIZUKI, SHENG LI
  • Biodegradable polyacetals and methods
    Patent number: 7588754
    Abstract: Condensation polymerization methods are used to prepare various biodegradable polyacetals of the general formula (I). Such polymers are useful for variety of drug, biomolecule and imaging agent delivery applications.
    Type: Grant
    Filed: May 10, 2005
    Date of Patent: September 15, 2009
    Assignee: Nitto Denko Corporation
    Inventors: Sang Van, Hyun Sik Chae, Lei Yu
  • LIGHT EMITTING DEVICES AND COMPOSITIONS
    Publication number: 20090179552
    Abstract: A light emitting composition includes a light-emitting lumophore-functionalized nanoparticle, such as an organic-inorganic light-emitting lumophore-functionalized nanoparticle. A light emitting device includes an anode, a cathode, and a layer containing such a light-emitting composition. In an embodiment, the light emitting device can emit white light.
    Type: Application
    Filed: November 6, 2008
    Publication date: July 16, 2009
    Inventors: JESSE FROEHLICH, HYUN SIK CHAE, AMANE MOCHIZUKI, SHENG LI, GHASSAN JABBOUR
  • LIGHT EMITTING DEVICES AND COMPOSITIONS
    Publication number: 20090066234
    Abstract: A light emitting composition includes a light-emitting iridium-functionalized nanoparticle, such as an organic-inorganic light-emitting iridium-functionalized nanoparticle. A light emitting device includes an anode, a cathode, and a layer containing such a light-emitting composition. In an embodiment, the light emitting device can emit white light.
    Type: Application
    Filed: July 2, 2008
    Publication date: March 12, 2009
    Inventors: HYUN SIK CHAE, YUTAKA OHMORI, JESSE FROEHLICH, SHENG LI, AMANE MOCHIZUKI, GHASSAN JABBOUR