Patents by Inventor Hyoung Yun Oh

Hyoung Yun Oh 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).

  • ANTI-INFLAMMATORY COMPOSITION COMPRISING EPIMENDIUM KOREANUM NAKAI, POLYGALA TENUIFOLIA WILD, AND POLYPORUS UMBELLATUS FRIES EXTRACTS OR MIXTURE THEREOF AS ACTIVE INGREDIENT
    Publication number: 20240148810
    Abstract: The present invention relates to an anti-inflammatory composition comprising Epimedium koreanum Nakai, Polygala tenuifolia Willd, and Polyporus umbellatus Fries extracts or a mixture thereof as an active ingredient. The extracts and mixture prepared according to the present invention exhibit a high inhibitory effect against nitric oxide and a suppressive effect against the expression of iNOS and COX2 and thus can be advantageously used as an anti-inflammatory composition.
    Type: Application
    Filed: March 19, 2021
    Publication date: May 9, 2024
    Applicant: Korea Research Institute of Chemical Technology
    Inventors: Hyoung-Yun Han, Jung-Hwa Oh, Seokjoo Yoon, Se-Myo Park, Mi-Sun Choi, Soojin Kim
  • Phosphorescent compound and organic electroluminescent device using the same
    Patent number: 9240559
    Abstract: A phosphorescent compound is represented by following Formula:
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: January 19, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Hyoung-Yun Oh, In-Bum Song, Sung-Hee Park
  • Phosphorescent Compound and Organic Electroluminescent Device Using the Same
    Publication number: 20150236275
    Abstract: A phosphorescent compound is represented by following Formula:
    Type: Application
    Filed: April 28, 2015
    Publication date: August 20, 2015
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Hyoung-Yun OH, In-Bum SONG, Sung-Hee PARK
  • Phosphorescent compound and organic electroluminescent device using the same
    Patent number: 9045471
    Abstract: A phosphorescent compound is represented by following Formula:
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: June 2, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Hyoung-Yun Oh, In-Bum Song, Sung-Hee Park
  • Blue fluorescent composition and organic electroluminescent device using the same
    Patent number: 8835020
    Abstract: A blue fluorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: wherein at least two of the R1, the R2, the R3, and the R4 are selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group, and the R5 is selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: September 16, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Seung-Jae Lee, In-Bum Song, Jung-Keun Kim, Do-Han Kim, Chun-Gun Park, Hyoung-Yun Oh, Jong-Kwan Bin, Kyung-Hoon Lee, Hyun-Cheol Jeong, Dong-Hee Yoo, Nam-Sung Cho, Jong-Hyun Park, In-Sun Yoo, Tae-Han Park, Soon-Wook Cha
  • Organic electroluminescent device
    Patent number: 8436344
    Abstract: Disclosed is an organic electroluminescent device including a substrate, a first and a second electrode, and an emitting layer formed between the first electrode and the second electrode. The emitting layer includes a plurality of materials which is a blue emitting material using a following chemical formula as dopant. In this case, at least one of A1 and A2 is selected from a substituted or non-substituted aromatic group, a heterocyclic group, an aliphatic group, and hydrogen.
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: May 7, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Jeong Dae Seo, Kyung Hoon Lee, Hee Jung Kim, Chun Gun Park, Hyoung Yun Oh
  • Phosphorescent Compound and Organic Electroluminescent Device Using the Same
    Publication number: 20120104371
    Abstract: A phosphorescent compound is represented by following Formula:
    Type: Application
    Filed: October 28, 2011
    Publication date: May 3, 2012
    Inventors: Hyoung-Yun OH, In-Bum SONG, Sung-Hee PARK
  • Semiconductor device
    Patent number: 7847286
    Abstract: A semiconductor device with a substrate, a first electrode on the substrate, at least one of an injection layer or a transporting layer on the first electrode, an adhesion layer on the at least one of an injection layer or a transporting layer, and a second electrode on the adhesion layer.
    Type: Grant
    Filed: November 3, 2009
    Date of Patent: December 7, 2010
    Assignee: LG Electronics Inc.
    Inventors: Jong Geun Yoon, Myung Seop Kim, Hyoung Yun Oh, Sung Tae Kim
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20100155714
    Abstract: Disclosed is an organic electroluminescent device including a substrate, a first and a second electrode, and an emitting layer formed between the first electrode and the second electrode. The emitting layer includes a plurality of materials which is a blue emitting material using a following chemical formula as dopant. In this case, at least one of A1 and A2 is selected from a substituted or non-substituted aromatic group, a heterocyclic group, an aliphatic group, and hydrogen.
    Type: Application
    Filed: March 1, 2010
    Publication date: June 24, 2010
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jeong Dae SEO, Kyung Hoon LEE, Hee Jung KIM, Chun Gun PARK, Hyoung Yun OH
  • Light emitting device and method of manufacturing the same
    Patent number: 7737443
    Abstract: A light emitting device comprises an anode electrode layer disposed in a first direction, a cathode electrode layer disposed in a second direction different from the first direction, an emitting area with a pixel forming on an area crossed by the anode electrode layer and the cathode electrode layer and a sub-electrode layer disposed outside of the emitting area and electrically connected with at least two the anode electrode layers.
    Type: Grant
    Filed: May 30, 2007
    Date of Patent: June 15, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Hak Su Kim, Hyoung Yun Oh, Yoon Heung Tak
  • Blue fluorescent compound and organic electroluminescent device using the same
    Publication number: 20100141124
    Abstract: A blue fluorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: wherein at least two of the R1, the R2, the R3, and the R4 are selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group, and the R5 is selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group.
    Type: Application
    Filed: December 1, 2009
    Publication date: June 10, 2010
    Inventors: Seung-Jae Lee, In-Bum Song, Jung-Keun Kim, Do-Han Kim, Chun-Gun Park, Hyoung-Yun Oh, Jong-Kwan Bin, Kyung-Hoon Lee, Hyun-Cheol Jeong, Dong-Hee Yoo, Nam-Sung Cho, Jong-Hyun Park, In-Sun Yoo, Tae-Han Park, Soon-Wook Cha
  • Organic electroluminescent device
    Patent number: 7700201
    Abstract: Disclosed is an organic electroluminescent device including a substrate, a first and a second electrode, and an emitting layer formed between the first electrode and the second electrode. The emitting layer includes a plurality of materials which is a blue emitting material using a following chemical formula as dopant. In this case, at least one of A1 and A2 is selected from a substituted or non-substituted aromatic group, a heterocyclic group, an aliphatic group, and hydrogen.
    Type: Grant
    Filed: December 24, 2003
    Date of Patent: April 20, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Jeong Dae Seo, Kyung Hoon Lee, Hee Jung Kim, Chun Gun Park, Hyoung Yun Oh
  • SEMICONDUCTOR DEVICE
    Publication number: 20100044740
    Abstract: A semiconductor device with a substrate, a first electrode on the substrate, at least one of an injection layer or a transporting layer on the first electrode, an adhesion layer on the at least one of an injection layer or a transporting layer, and a second electrode on the adhesion layer.
    Type: Application
    Filed: November 3, 2009
    Publication date: February 25, 2010
    Inventors: Jong Geun YOON, Myung Seop Kim, Hyoung Yun Oh, Sung Tae Kim
  • Organic electroluminescent device
    Patent number: 7651787
    Abstract: Disclosed is an organic electroluminescent device including a substrate, a first and second electrodes, and a light-emitting layer formed between the first electrode and the second electrode, and a hole-blocking layer formed between the light-emitting layer and the second electrode and using a material of a chemical formula 1. In this case, at least one of A1 and A2 is selected from a substituted or non-substituted aromatic group, a heterocyclic group, an aliphatic group, halogen, and hydrogen.
    Type: Grant
    Filed: February 18, 2004
    Date of Patent: January 26, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Jeong Dae Seo, Hee Jung Kim, Kyung Hoon Lee, Hyoung Yun Oh, Myung Seop Kim, Chun Gun Park
  • Organic electroluminescent device
    Patent number: 7651788
    Abstract: Disclosed is an organic electroluminescent device including a substrate, a first and second electrode formed on the substrate, and a light-emitting layer formed between the first electrode and the second electrode. The light-emitting layer includes a plurality of materials which is a green luminescent material using a following chemical formula as a dopant. In this case, at least one of A1 and A2 is selected from a substituted or non-substituted aromatic group, a heterocyclic group, an aliphatic group, and hydrogen.
    Type: Grant
    Filed: March 4, 2004
    Date of Patent: January 26, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Jeong Dae Seo, Hee Jung Kim, Kyung Hoon Lee, Hyoung Yun Oh, Myung Seop Kim, Chun Gun Park
  • Organoelectroluminescent device having a substrate, a negative electrode, an organic electroluminescent layer, a buffer layer containing an adhesion-increasing porphyrinic compound and a cathode electrode
    Patent number: 7638794
    Abstract: A semiconductor device with a substrate, a first electrode on the substrate, at least one of an injection layer or a transporting layer on the first electrode, an adhesion layer on the at least one of an injection layer or a transporting layer, and a second electrode on the adhesion layer.
    Type: Grant
    Filed: September 4, 2003
    Date of Patent: December 29, 2009
    Assignee: LG Electronics Inc.
    Inventors: Jong Geun Yoon, Myung Seop Kim, Hyoung Yun Oh, Sung Tae Kim
  • Organic electroluminescent device and method for fabricating the same
    Patent number: 7541097
    Abstract: Disclosed are an organic electroluminescent device and a method for fabricating the same. The device includes a substrate, a first electrode formed on the substrate, an emission layer formed over the first electrode, and having a first emission area, a second emission area, and a third emission area, a hole blocking layer formed on the emission layer, the hole blocking layer being formed of the same substance as that of the third emission area, and a second electrode formed over the hole blocking layer.
    Type: Grant
    Filed: February 18, 2004
    Date of Patent: June 2, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Jeong Dae Seo, Hee Jung Kim, Kyung Hoon Lee, Hyoung Yun Oh, Myung Seop Kim, Chun Gun Park
  • Organic electroluminescent device
    Patent number: 7531247
    Abstract: An organic electroluminescence (EL) device capable of digital driving, and a method for manufacturing the same are disclosed herein. The organic EL device comprises a substrate, an anode formed on the substrate, an organic EL layer formed on the anode and constructed as a multilayer structure including a hole injection layer and a hole transport layer, a cathode formed on the organic EL layer, and an interface deterioration preventing layer formed between the anode and the organic EL layer.
    Type: Grant
    Filed: June 1, 2005
    Date of Patent: May 12, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Myung Seop Kim, Hyoung Yun Oh, Jae Man Lee, Sung Gap Kim, Jong Geun Yoon, Seong Joong Kim, Hong Gyu Kim, Joong Hwan Yang
  • Organic electroluminescent device
    Patent number: 7507485
    Abstract: Disclosed is an organic electroluminescent device including a first electrode, a second electrode, and a light-emitting layer having a guest material of a red luminescent material and at least two host materials so as to be formed between the first and second electrodes. One of the host materials is a composite including the following structural formula: Moreover, one of the host materials can be a substituted or non-substituted quinoline derivative.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: March 24, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Hyoung Yun Oh, Sung Koo Lee, Chun Gun Park, Jeong Dae Seo, Myung Seop Kim
  • LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20070278473
    Abstract: A light emitting device comprises an anode electrode layer disposed in a first direction, a cathode electrode layer disposed in a second direction different from the first direction, an emitting area with a pixel forming on an area crossed by the anode electrode layer and the cathode electrode layer and a sub-electrode layer disposed outside of the emitting area and electrically connected with at least two the anode electrode layers.
    Type: Application
    Filed: May 30, 2007
    Publication date: December 6, 2007
    Inventors: Hak Su Kim, Hyoung Yun Oh, Yoon Heung Tak