Patents by Inventor Jung-Hyoung Lee

Jung-Hyoung Lee 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: 8253127
    Abstract: The present invention provides an organic light emitting device in which a layer having a refractive index in the range of 1.3 to 3 is further formed on an upper electrode of at least one region of regions through which rays having red, green, and blue colors are passed and a method of manufacturing the organic light emitting device. An optical length that can cause the microcavity effect according to the type of color of emitted light is controlled by using the layer to manufacture the organic light emitting device having high light emitting efficiency.
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: August 28, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Min-Soo Kang, Jeoung-Kwen Noh, Yun-Hye Hahm, Jung-Bum Kim, Jong-Seok Kim, Jung-Hyoung Lee
  • Publication number: 20120037948
    Abstract: An exemplary embodiment of the present invention provides an organic light emitting diode, comprising a substrate, a first electrode, an organic material layer, and a second electrode, wherein a trench comprising a concave part and a convex part is provided on the substrate, the first electrode is provided on the substrate on which the trench is formed by being deposited, and an auxiliary electrode is provided on the first electrode. The organic light emitting diode according to the exemplary embodiment of the present invention may increase surface areas of the first electrode and the auxiliary electrode formed on the substrate, thereby implementing a low resistance electrode. In addition, since a line width of the electrode is not increased, it is possible to prevent a decrease of an opening ratio of the organic light emitting diode.
    Type: Application
    Filed: August 10, 2011
    Publication date: February 16, 2012
    Inventors: Jung-Hyoung LEE, Jung-Bum Kim
  • Patent number: 8115262
    Abstract: A dielectric multilayer structure of a microelectronic device, in which a leakage current characteristic and a dielectric constant are improved, is provided in an embodiment. The dielectric multilayer structure includes a lower dielectric layer, which is made of amorphous silicate (M1-xSixOy) or amorphous silicate nitride (M1-xSixOyNz), and an upper dielectric layer which is formed on top of the lower dielectric layer and which is made of amorphous metal oxide (M?Oy) or amorphous metal oxynitride (M?OyNz).
    Type: Grant
    Filed: July 6, 2009
    Date of Patent: February 14, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-Pyo Kim, Jong-Ho Lee, Hyung-Suk Jung, Jung-Hyoung Lee
  • Publication number: 20110180792
    Abstract: The present invention provides an organic light emitting diode comprising a substrate; a transparent cathode; an anode; and an organic material layer interposed between the transparent cathode and the anode, wherein the organic material layer comprises a light emitting layer and an n-type doped electron transport layer, the n-type doped electron transport layer includes an electron transport material and an n-type dopant and is disposed between the transparent cathode and the light emitting layer, and a method for manufacturing the same.
    Type: Application
    Filed: October 1, 2009
    Publication date: July 28, 2011
    Inventors: Jung-Hyoung Lee, Se-Hwan Son, Min-Soo Kang
  • Patent number: 7982393
    Abstract: The present invention provides an organic light emitting device, wherein an electron injecting electrode, at least one organic material layer including a light emitting layer, and a hole injecting electrode are laminated; and an inorganic insulating layer formed from the materials having a band gap of 3.3 eV or more, and a band offset of 0.45 eV or less, is provided between the electron injecting electrode and the organic material layer; and a method for preparing the same.
    Type: Grant
    Filed: February 5, 2007
    Date of Patent: July 19, 2011
    Assignee: LG Chem, Ltd.
    Inventor: Jung-Hyoung Lee
  • Patent number: 7935977
    Abstract: Disclosed is a method of manufacturing an organic light emitting device, an organic light emitting device manufactured by using the method, and an electronic device including the organic light emitting device. The method includes (a) forming an insulating layer on a lower electrode, (b) etching the insulating layer to form an opening ranging from an upper surface of the insulating layer to the lower electrode so that an overhang structure having a lowermost circumference that is larger than an uppermost circumference is formed, (c) forming a conductive layer on an upper surface of the lower electrode in the opening and a surface of the insulating layer other than the overhang structure, (d) forming an organic material layer on the conductive layer formed on the upper surface of the lower electrode in the opening, and (e) forming an upper electrode on an upper surface of the conductive layer disposed on the upper surface of the insulating layer and an upper surface of the organic material layer.
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: May 3, 2011
    Assignee: LG Chem, Ltd.
    Inventors: Jung-Hyoung Lee, Jae-Seung Lee, Jung-Bum Kim
  • Publication number: 20110043102
    Abstract: The present invention provides an organic light emitting device that comprises a substrate, a first electrode, two or more organic material layers, and a second electrode sequentially layered, wherein the organic material layers include a light emitting layer, and among the organic material layers, the organic material layer that is contacted with the second electrode includes metal oxide, and a method for manufacturing the same.
    Type: Application
    Filed: January 23, 2009
    Publication date: February 24, 2011
    Applicant: LG CHEM, LTD.
    Inventors: Jung-Hyoung Lee, Yun-Hye Hahm, Jeoung-Kwen Noh, Jung-Bum Kim
  • Publication number: 20100320446
    Abstract: The present invention provides an organic light emitting device in which a layer having a refractive index in the range of 1.3 to 3 is further formed on an upper electrode of at least one region of regions through which rays having red, green, and blue colors are passed and a method of manufacturing the organic light emitting device. An optical length that can cause the microcavity effect according to the type of color of emitted light is controlled by using the layer to manufacture the organic light emitting device having high light emitting efficiency.
    Type: Application
    Filed: February 5, 2008
    Publication date: December 23, 2010
    Applicant: LG CHEM, LTD.
    Inventors: Min-Soo Kang, Jeoung-Kwen Noh, Yun Hye Hahm, Jung-Bum Kim, Jong-Seok Kim, Jung-Hyoung Lee
  • Publication number: 20100176378
    Abstract: The present invention relates to a method for producing an organic light emitting device, comprising a step of sequentially forming on a substrate a first electrode formed of a metal, one or more organic material layers including a light emitting layer, and a second electrode, which comprises a step of forming a layer on the first electrode using a metal having the higher oxidation rate than the first electrode before forming the organic material layer, and to an organic light emitting device produced by the same.
    Type: Application
    Filed: February 2, 2007
    Publication date: July 15, 2010
    Inventors: Jung-Hyoung Lee, Jung-Bum Kim, Yun-Hye Hahm
  • Publication number: 20100117085
    Abstract: The present invention relates to a thin film transistor and a method of manufacturing the same. More particularly, the present invention relates to a thin film transistor that includes a zinc oxide (ZnO series) electrode having one or more of Si, Mo, and W as a source electrode and a drain electrode, and a method of manufacturing the same.
    Type: Application
    Filed: April 25, 2008
    Publication date: May 13, 2010
    Inventor: Jung-Hyoung Lee
  • Publication number: 20100090215
    Abstract: The present invention relates to a thin film transistor and a method of manufacturing the same. More particularly, the present invention relates to a thin film transistor that includes a zinc oxide material including Si as a channel material of a semiconductor layer, and a method of manufacturing the same.
    Type: Application
    Filed: April 25, 2008
    Publication date: April 15, 2010
    Inventor: Jung-Hyoung Lee
  • Publication number: 20090321764
    Abstract: Disclosed is a method of manufacturing an organic light emitting device, an organic light emitting device manufactured by using the method, and an electronic device including the organic light emitting device. The method includes (a) forming an insulating layer on a lower electrode, (b) etching the insulating layer to form an opening ranging from an upper surface of the insulating layer to the lower electrode so that an overhang structure having a lowermost circumference that is larger than an uppermost circumference is formed, (c) forming a conductive layer on an upper surface of the lower electrode in the opening and a surface of the insulating layer other than the overhang structure, (d) forming an organic material layer on the conductive layer formed on the upper surface of the lower electrode in the opening, and (e) forming an upper electrode on an upper surface of the conductive layer disposed on the upper surface of the insulating layer and an upper surface of the organic material layer.
    Type: Application
    Filed: July 25, 2007
    Publication date: December 31, 2009
    Applicant: LG Chem, Ltd.
    Inventors: Jung-Hyoung Lee, Jae-Seung Lee, Jung-Bum Kim
  • Publication number: 20090267129
    Abstract: A dielectric multilayer structure of a microelectronic device, in which a leakage current characteristic and a dielectric constant are improved, is provided in an embodiment. The dielectric multilayer structure includes a lower dielectric layer, which is made of amorphous silicate (M1-xSixOy) or amorphous silicate nitride (M1-xSixOyNz), and an upper dielectric layer which is formed on top of the lower dielectric layer and which is made of amorphous metal oxide (M'Oy) or amorphous metal oxynitride (M'OyNz).
    Type: Application
    Filed: July 6, 2009
    Publication date: October 29, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-Pyo KIM, Jong-Ho LEE, Hyung-Suk JUNG, Jung-Hyoung LEE
  • Patent number: 7588989
    Abstract: A dielectric multilayer structure of a microelectronic device, in which a leakage current characteristic and a dielectric constant are improved, is provided in an embodiment. The dielectric multilayer structure includes a lower dielectric layer, which is made of amorphous silicate (M1-xSixOy) or amorphous silicate nitride (M1-xSixOyNz), and an upper dielectric layer which is formed on top of the lower dielectric layer and which is made of amorphous metal oxide (M?Oy) or amorphous metal oxynitride (M?OyNz).
    Type: Grant
    Filed: September 13, 2005
    Date of Patent: September 15, 2009
    Assignee: Samsung Electronic Co., Ltd.
    Inventors: Jong-Pyo Kim, Jong-Ho Lee, Hyung-Suk Jung, Jung-Hyoung Lee
  • Publication number: 20090184628
    Abstract: The present invention provides an organic light emitting device comprising: a substrate; a first conductive layer and a second conductive layer, which are sequentially positioned on the substrate; and at least one organic material layer, including a light emitting layer, which is interposed between the first conductive layer and the second conductive layer; wherein the organic light emitting device comprises a pattern layer formed corresponding to the light emitting region between at least one organic material layer and at least one conductive layer of the first conductive layer and the second conductive layer; charges are injected or transported between the conductive layer and the organic material layer through the pattern layer; and charges are not directly injected or transported in the region in which two layers each in contact with the upper surface and the lower surface of the pattern layer are directly in contact, and a method for preparation thereof.
    Type: Application
    Filed: March 7, 2007
    Publication date: July 23, 2009
    Inventors: Min-Soo Kang, Jeoung-Kwen Noh, Jung-Hyoung Lee
  • Publication number: 20090167163
    Abstract: Disclosed is a method of fabricating an organic light emitting device and an organic light emitting device fabricated using the same. The method comprises the steps of sequentially forming a cathode made of metal, at least one organic material layer including a light emitting layer and an anode on a substrate, and additionally comprises the step of forming a thin metal film on a native oxide layer that is spontaneously formed on the cathode before forming of the organic material layer.
    Type: Application
    Filed: March 15, 2007
    Publication date: July 2, 2009
    Inventors: Jung-Bum Kim, Jung-Hyoung Lee
  • Publication number: 20090108254
    Abstract: The present invention provides a fabrication method for an organic electronic device comprising a step of stacking sequentially a first electrode made of a metal, one or more organic material layers, and a second electrode on a substrate, wherein the method comprises the steps of: 1) forming a layer on the first electrode using a metal having a higher oxidation rate than the first electrode before forming the organic material layer, 2) treating the layer formed using a metal having a higher oxidation rate than the first electrode with oxygen plasma to form a metal oxide layer, and 3) treating the metal oxide layer with inert gas plasma to remove a native oxide layer on the first electrode, and an organic electronic device fabricated by the same method.
    Type: Application
    Filed: May 10, 2007
    Publication date: April 30, 2009
    Inventors: Jung-Hyoung Lee, Jung-Bum Kim
  • Publication number: 20090021159
    Abstract: The present invention provides an organic light emitting device, wherein an electron injecting electrode, at least one organic material layer including a light emitting layer, and a hole injecting electrode are laminated; and an inorganic insulating layer formed from the materials having a band gap of 3.3 eV or more, and a band offset of 0.45 eV or less, is provided between the electron injecting electrode and the organic material layer; and a method for preparing the same.
    Type: Application
    Filed: February 5, 2007
    Publication date: January 22, 2009
    Inventor: Jung-Hyoung Lee
  • Publication number: 20090009101
    Abstract: The present invention provides a stacked organic light emitting device, comprising a first conductive layer, at least one intermediate conductive layer and a second conductive layer, and light emitting units disposed between the conductive layers, wherein at least two non-neighboring conductive layers among the conductive layers are conductive layers belonging to Group 1 such that they are electrically connected with each other to a common potential; at least one non-neighboring conductive layer among the conductive layers which are not electrically connected with the conductive layers belonging to Group 1 to a common potential are conductive layers belonging to Group 2 such that they are electrically connected with each other to a common potential; and the conductive layers belonging to Group 1 and the conductive layers belonging to Group 2 are connected with each other via a voltage regulator for alternately applying a positive voltage and a negative voltage.
    Type: Application
    Filed: January 17, 2007
    Publication date: January 8, 2009
    Inventors: Min-Soo Kang, Jeoung-Kwen Noh, Jung-Hyoung Lee
  • Publication number: 20070059447
    Abstract: Methods of fabricating a lanthanum oxide layer, and methods of fabricating a MOSFET and/or a capacitor especially adapted for semiconductor applications using such a lanthanum oxide layer are disclosed. The methods include a preliminary step of disposing a semiconductor substrate into a chamber. Tris(bis(trimethylsilyl)amino)Lanthanum as a lanthanum precursor is then injected into the chamber such that the lanthanum precursor is chemisorbed on the semiconductor substrate. Then, after carrying out a first purge of the chamber, at least one oxidizer is injected into the chamber such that the oxidizer is chemisorbed with the lanthanum precursor on the semiconductor substrate. Then, the chamber is purged a second time.
    Type: Application
    Filed: November 14, 2006
    Publication date: March 15, 2007
    Inventors: Jong-Pyo Kim, Jung-Hyun Lee, Bum-Seok Seo, Jung-Hyoung Lee