Patents by Inventor Dong-Seon Lee

Dong-Seon 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).

  • Publication number: 20240123015
    Abstract: A composition for strengthening, developing, differentiating, or regenerating muscle, or preventing, ameliorating, or treating muscle loss or muscle fatigue includes a Schizonepeta tenuifolia extract as an effective component. The Schizonepeta tenuifolia extract as an effective component has the effects of restoring the viability of muscle cells, increasing the endurance time on the rotarod performance test, i.e., the holding time without falling off from the rod, compared to the control group, reducing the content of LDH, AST, and ALT in blood, increasing the grip strength, enhancing the expression amount of energy metabolism-related genes in muscle tissues, increasing the density of muscle fibers in muscle tissues, inducing a change in the fibroblast arrangement to have a well-organized structure, and reducing the expression of MuRF1 in muscle tissues, as compared to the control group.
    Type: Application
    Filed: December 13, 2021
    Publication date: April 18, 2024
    Inventors: Dong Seon KIM, Young Sook KIM, Heung Joo YUK, Yun Mi LEE, Yoon-Young SUNG, Eun Jung SON
  • Publication number: 20240118616
    Abstract: This invention relates to a positive photosensitive resin composition that includes a siloxane copolymer of two kinds of reactive silane compounds with specific structures wherein residual impurities such as unreacted monomers and catalysts are minimized, and a UV absorber including one or more kinds of phenol hydroxyl groups capable of crosslinking and an alkoxy group. Accordingly, the resin composition exhibits excellent performances such as sensitivity, resolution, and degree of planarization, and also has excellent weatherability and UV absorbance, thereby providing excellent panel reliability.
    Type: Application
    Filed: October 8, 2020
    Publication date: April 11, 2024
    Inventors: Kyoungsoon SHIN, Hyoc-Min YOUN, Tai Hoon YEO, Dong Myung KIM, Gi Seon LEE, Ah Rum PARK, Seok Hyeon LEE
  • Patent number: 11944661
    Abstract: The present invention provides a pharmaceutical composition for prevention or treatment of a stress disease and depression, the pharmaceutical composition be safely useable without toxicity and side effects by using an extract of leaves of Vaccinium bracteatum Thunb., which is natural resource of Korea, so that the reduction of manufacturing and production costs and the import substitution and export effects can be expected through the replacement of a raw material for preparation with a plant inhabiting in nature.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: April 2, 2024
    Assignee: JEONNAM BIOINDUSTRY FOUNDATION
    Inventors: Chul Yung Choi, Dool Ri Oh, Yu Jin Kim, Eun Jin Choi, Hyun Mi Lee, Dong Hyuck Bae, Kyo Nyeo Oh, Myung-A Jung, Ji Ae Hong, Kwang Su Kim, Hu Won Kang, Jae Yong Kim, Sang O Pan, Sung Yoon Park, Rack Seon Seong
  • Patent number: 10177284
    Abstract: A sidewall light emitting ultraviolet light emitting diode and a method of manufacturing thereof are disclosed. A light emitting structure is formed in an active region recessed from a substrate surface, and the light emitting structure is formed by growth in a direction parallel to the surface of the substrate. Also, a reflective metal layer is formed above or below the light emitting structure such that ultraviolet light can be released in a second direction perpendicular to a first direction which is the growth direction of the light emitting structure.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: January 8, 2019
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong-Seon Lee, Duk-Jo Kong, Jun-Yeob Lee, Mun-Do Park
  • Patent number: 10084020
    Abstract: Disclosed is a micro display. Each of display portions constituting the micro display includes an individual active layer and p-type semiconductor layer which are on each of a plurality of n-type semiconductors which are each configured in a line form. Consequently, a plurality of light emitting structures are formed on a common n-type semiconductor provided in a form of a single string, and a crossbar structure in which a positive electrode pattern perpendicular to a disposition direction of the common n-type semiconductor is disposed is formed. As a result, a micro display in which a plurality of light emitting structures can be individually controlled can be realized.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: September 25, 2018
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chang Mo Kang, Dong Seon Lee, Duk Jo Kong, Soo Young Choi
  • Publication number: 20180151632
    Abstract: Disclosed is a micro display. Each of display portions constituting the micro display includes an individual active layer and p-type semiconductor layer which are on each of a plurality of n-type semiconductors which are each configured in a line form. Consequently, a plurality of light emitting structures are formed on a common n-type semiconductor provided in a form of a single string, and a crossbar structure in which a positive electrode pattern perpendicular to a disposition direction of the common n-type semiconductor is disposed is formed. As a result, a micro display in which a plurality of light emitting structures can be individually controlled can be realized.
    Type: Application
    Filed: November 29, 2017
    Publication date: May 31, 2018
    Inventors: Chang Mo KANG, Dong Seon LEE, Duk Jo KONG, Soo Young CHOI
  • Patent number: 9893233
    Abstract: A light emitting diode and a manufacturing method therefore are provided. The light emitting diode includes at least: a first light emitting structure, formed on a substrate, in which a first n-GaN layer, a first active layer and a first p-GaN layer are sequentially layered; a first n-type electrode formed on one side of the upper part of the first n-GaN layer; a current diffusion layer, formed on the first light emitting structure, in which at least one hole is arranged; and a second light emitting structure in which a second p-GaN layer, which is formed in a region of a conductive layer in which at least one hole is arranged, and a second active layer and a second n-GaN layer, which are formed on the second p-GaN layer, are sequentially layered.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: February 13, 2018
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Duk Jo Kong, Dong Seon Lee, Chang Mo Kang, Jun Youb Lee
  • Patent number: 9876136
    Abstract: Disclosed herein is a method of separating a GaN substrate by wet etching. The method employs chemical lift-off, and includes forming oxide layers separated from each other and a GaN column in each space between the oxide layers on a substrate, forming an n-GaN layer covering an upper space on the oxide layers and the n-GaN columns, sequentially forming an active layer, a p-GaN layer, and a p-type electrode on the n-GaN layer, and removing the oxide layers and wet etching the n-GaN columns to separate the substrate. The method can achieve improvement in epitaxial growth of GaN and reduction in fabrication costs through a simple process. In addition, the method can increase a luminous area and light extraction efficiency.
    Type: Grant
    Filed: August 13, 2014
    Date of Patent: January 23, 2018
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong-Seon Lee, Duk-Jo Kong, Junyoub Lee, Chang Mo Kang
  • Publication number: 20170309788
    Abstract: A sidewall light emitting ultraviolet light emitting diode and a method of manufacturing thereof are disclosed. A light emitting structure is formed in an active region recessed from a substrate surface, and the light emitting structure is formed by growth in a direction parallel to the surface of the substrate. Also, a reflective metal layer is formed above or below the light emitting structure such that ultraviolet light can be released in a second direction perpendicular to a first direction which is the growth direction of the light emitting structure.
    Type: Application
    Filed: April 24, 2017
    Publication date: October 26, 2017
    Inventors: Dong-Seon LEE, Duk-Jo KONG, Jun-Yeob LEE, Mun-Do PARK
  • Publication number: 20170133553
    Abstract: A light emitting diode and a manufacturing method therefore are provided. The light emitting diode includes at least: a first light emitting structure, formed on a substrate, in which a first n-GaN layer, a first active layer and a first p-GaN layer are sequentially layered; a first n-type electrode formed on one side of the upper part of the first n-GaN layer; a current diffusion layer, formed on the first light emitting structure, in which at least one hole is arranged; and a second light emitting structure in which a second p-GaN layer, which is formed in a region of a conductive layer in which at least one hole is arranged, and a second active layer and a second n-GaN layer, which are formed on the second p-GaN layer, are sequentially layered.
    Type: Application
    Filed: September 16, 2014
    Publication date: May 11, 2017
    Inventors: Duk Jo KONG, Dong Seon LEE, Chang Mo KANG, Jun Youb LEE
  • Publication number: 20160380153
    Abstract: The present invention relates to a gallium nitride substrate, a method of preparing the gallium nitride substrate, and a double-sided light-emitting diode using the gallium nitride substrate. The gallium nitride substrate has a first face having a Ga-polar face and a second face having an N-polar face. Protrusions with semi-polar surfaces are formed on the second face. A light-emitting body may be formed on the first face, and a separate light-emitting body may be formed through the surfaces of the protrusions.
    Type: Application
    Filed: June 24, 2016
    Publication date: December 29, 2016
    Inventors: Dong-Seon LEE, Duk-Jo Kong
  • Patent number: 9466761
    Abstract: A light emitting diode (LED) having well and/or barrier layers with a superlattice structure is disclosed. An LED has an active region between an N-type GaN-based semiconductor compound layer and a P-type GaN-based semiconductor compound layer, wherein the active region comprises well and/or barrier layers with a superlattice structure. As the well and/or barrier layers with a superlattice structure are employed, it is possible to reduce occurrence of defects caused by lattice mismatch between the well layer and the barrier layer.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: October 11, 2016
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Joo Won Choi, Dong Seon Lee, Gyu Beom Kim, Sang Joon Lee
  • Patent number: 9466642
    Abstract: Disclosed herein is a light emitting diode having a multi-junction structure and a method of fabricating the same. In the light emitting diode, each light emitting structure has a column shape and includes two light emitting layers centered on a p-type semiconductor layer. In addition, a p-type electrode is formed on a side surface of the p-type semiconductor layer, and a p-type electrode is formed through formation and removal of a sacrificial layer. Through this process, the p-type electrode can be formed as a side electrode.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: October 11, 2016
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong-Seon Lee, Dukjo Kong, Chang Mo Kang
  • Patent number: 9455144
    Abstract: Disclosed is a method for growing a nitride-based semiconductor with high quality, the method including: forming a first mask layer on a substrate and forming a second mask layer on the first mask layer; performing dry etching on the first mask layer and the second mask layer to form an opening in which a part of the substrate is exposed; performing selective wet etching on the first mask layer in the opening to form a recess in which a part of the substrate is exposed; depositing a third mask layer in the recess; and growing a nitride-based semiconductor from the exposed part of the substrate on sides of the third mask layer and expanding the growth via the opening.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: September 27, 2016
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong-Seon Lee, Dong-Ju Seo, Jun-Youb Lee, Chang-Mo Kang, Won-Seok Seong, Mun-Do Park
  • Publication number: 20160093492
    Abstract: Disclosed is a method for growing a nitride-based semiconductor with high quality, the method including: forming a first mask layer on a substrate and forming a second mask layer on the first mask layer; performing dry etching on the first mask layer and the second mask layer to form an opening in which a part of the substrate is exposed; performing selective wet etching on the first mask layer in the opening to form a recess in which a part of the substrate is exposed; depositing a third mask layer in the recess; and growing a nitride-based semiconductor from the exposed part of the substrate on sides of the third mask layer and expanding the growth via the opening.
    Type: Application
    Filed: September 21, 2015
    Publication date: March 31, 2016
    Inventors: Dong-Seon LEE, Dong-Ju SEO, Jun-Youb LEE, Chang-Mo KANG, Won-Seok SEONG, Mun-Do PARK
  • Publication number: 20150137072
    Abstract: A mask for forming a semiconductor layer and a semiconductor device manufactured using the same. The mask for forming a semiconductor layer includes oblique openings. Since a semiconductor layer is formed through one or more openings, it is possible to suppress generation of threading dislocation in a vertical direction from a growth surface of a heterogeneous substrate. The oblique openings are formed by stacking a growth blocking layer on the substrate, followed by dry etching the growth blocking layer, with the substrate disposed in a tilted state.
    Type: Application
    Filed: November 14, 2014
    Publication date: May 21, 2015
    Inventors: Dong-Seon LEE, Dongju SEO, Junyoub LEE, Dukjo KONG, Chang Mo KANG
  • Publication number: 20150050762
    Abstract: Disclosed herein is a method of separating a GaN substrate by wet etching. The method employs chemical lift-off, and includes forming oxide layers separated from each other and a GaN column in each space between the oxide layers on a substrate, forming an n-GaN layer covering an upper space on the oxide layers and the n-GaN columns, sequentially forming an active layer, a p-GaN layer, and a p-type electrode on the n-GaN layer, and removing the oxide layers and wet etching the n-GaN columns to separate the substrate. The method can achieve improvement in epitaxial growth of GaN and reduction in fabrication costs through a simple process. In addition, the method can increase a luminous area and light extraction efficiency.
    Type: Application
    Filed: August 13, 2014
    Publication date: February 19, 2015
    Inventors: Dong-Seon LEE, Duk-Jo KONG, Junyoub LEE, Chang Mo KANG
  • Publication number: 20150028356
    Abstract: Disclosed herein is a light emitting diode having a multi-junction structure and a method of fabricating the same. In the light emitting diode, each light emitting structure has a column shape and includes two light emitting layers centered on a p-type semiconductor layer. In addition, a p-type electrode is formed on a side surface of the p-type semiconductor layer, and a p-type electrode is formed through formation and removal of a sacrificial layer. Through this process, the p-type electrode can be formed as a side electrode.
    Type: Application
    Filed: July 25, 2014
    Publication date: January 29, 2015
    Inventors: Dong-Seon LEE, Dukjo KONG, Chang Mo KANG
  • Publication number: 20140367634
    Abstract: Disclosed are a nitride-based light emitting diode (LED) and a method of manufacturing the same. The LED includes an n-type nitride semiconductor layer formed on a substrate, a plurality of n-type nitride semiconductor nanorods formed on the n-type nitride semiconductor layer and each having a non-polar face on a major surface thereof, a photoactive layer formed on the n-type nitride semiconductor layer and surfaces of the n-type nitride semiconductor nanorods, a p-type nitride semiconductor layer formed in a hexagonal pyramid shape on the photoactive layer, a current spreading layer formed on the p-type nitride semiconductor layer, an anode formed on the current spreading layer, and a cathode formed on an exposed surface of the n-type nitride semiconductor layer.
    Type: Application
    Filed: November 15, 2013
    Publication date: December 18, 2014
    Applicant: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong-Seon LEE, Dukjo KONG, Si Young BAE
  • Patent number: 8779411
    Abstract: The present disclosure provides a light emitting diode and a method of manufacturing the same. The light emitting diode includes a graphene layer on a second conductive semiconductor layer and a plurality of metal nanoparticles formed on some region of the graphene layer, whereby adhesion between the second conductive semiconductor layer comprised of an inorganic material and the graphene layer is enhanced, thereby securing stability and reliability of the light emitting diode. In addition, the light emitting diode allows uniform spreading of electric current, thereby allowing stable emission of light through a surface area of the light emitting diode.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: July 15, 2014
    Assignee: Gwanju Institute of Science and Technology
    Inventors: Dong Seon Lee, Jae Phil Shim, Seong Ju Park, Min Hyeok Choe, Do Hyung Kim, Tak Hee Lee