Patents by Inventor Sung-Kil Lee

Sung-Kil 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: 20240138255
    Abstract: Provided is a compound of Chemical Formula 1 or 2: wherein: R1 to R4 are each independently hydrogen or deuterium; n1 to n4 are an integer of 1 to 4; L1 and L2 are each independently a direct bond or a substituted or unsubstituted C6-60 arylene; and Ar1 and Ar2 are each independently a substituent of Chemical Formula 3: wherein X1 to X5 are each independently N or C(R5), wherein at least two of X1 to X5 are N; and each R5 is independently hydrogen, deuterium, a substituted or unsubstituted C1-20 alkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one of N, O and S, or two adjacent R5s combine to form a benzene ring; and an organic light emitting device including the same. The device exhibits significantly superior efficiency and lifespan.
    Type: Application
    Filed: February 28, 2022
    Publication date: April 25, 2024
    Inventors: Dong Uk HEO, Heekyung YUN, Miyeon HAN, Jae Tak LEE, Jung Min YOON, Hoyoon PARK, Sung Kil HONG
  • Patent number: 11968892
    Abstract: Provided is an organic light emitting device comprising: an anode; a cathode; a light emitting layer provided between the anode and the cathode; and an organic material layer provided between the cathode and the light emitting layer, wherein the light emitting layer comprises a compound of Chemical Formula 1, and the organic material layer provided between the cathode and the light emitting layer contains a compound of Chemical Formula 2.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: April 23, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Jungoh Huh, Sung Kil Hong, Miyeon Han, Jae Tak Lee
  • Publication number: 20230351657
    Abstract: A method for rearranging webtoon content includes obtaining first content including a plurality of image cuts including a plurality of elements, extracting the plurality of elements included in the first content, generating a plurality of image cut layers by reconstructing the extracted plurality of elements, and generating second content by arranging the generated plurality of image cut layers in a designated arrangement.
    Type: Application
    Filed: June 8, 2023
    Publication date: November 2, 2023
    Inventors: Choong Hyun SEO, Jae Hyuk CHANG, Sung Kil LEE, Moon Soo JEONG, Soon Hyeon KWON
  • Publication number: 20220165011
    Abstract: A method for rearranging image cuts of cartoon content is performed by a computing device and includes the steps of loading first content in which a plurality of image cuts are arrayed two-dimensionally; extracting a plurality of cut areas, in which the plurality of image cuts from the first content are positioned, respectively; determining the arrayed order of the plurality of image cuts; and generating second content by rearranging the plurality of cut areas according to the arrayed order.
    Type: Application
    Filed: February 7, 2022
    Publication date: May 26, 2022
    Inventors: Jae Hyuk CHANG, Chan Kyu PARK, Sung Kil LEE, Soon Hyeon KWON, So Young PARK
  • Patent number: 10186700
    Abstract: A heat-resistant microporous film and a battery separator are provided and including a substrate comprising a porous film; and a heat-resistant layer formed on at least one surface of the substrate, the heat-resistant layer containing a heat-resistant resin and heat-resistant particles, wherein at least one protrusion is formed on a surface of the heat-resistant layer, and a total number of protrusions not exceeding 60 per surface area of 0.0418 mm2.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: January 22, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Akiko Kakibe, Sung-kil Lee, Kazuhiro Okamoto
  • Patent number: 10074195
    Abstract: A lens flare generation method and apparatus simulates lens flare effects through paraxial approximation-based linear approximation to generate a lens flare utilizing physical characteristics of a lens system while generating a lens flare at high speed. A non-linear effect may be added to a linear pattern-based lens flare effect to generate an actual lens flare reflecting most of physical characteristics generated from the lens system. A pre-recorded non-linear pattern may be used.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: September 11, 2018
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventor: Sung Kil Lee
  • Publication number: 20170140558
    Abstract: According to the present invention, a lens flare generation method and apparatus are provided that may simulate lens flare effects through paraxial approximation-based linear approximation to generate a lens flare utilizing physical characteristics of a lens system while generating a lens flare at remarkably high speed as compared with the conventional art. Further, according to an embodiment of the present invention, a non-linear effect may be added to a linear pattern-based lens flare effect, generating an actual lens flare reflecting most of physical characteristics generated from the lens system. Further, use of a pre-recorded non-linear pattern allows for generation of a lens flare having a similar quality to the existing light tracking-based simulation at higher speed as compared with the conventional art without speed reduction.
    Type: Application
    Filed: January 23, 2017
    Publication date: May 18, 2017
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventor: Sung Kil LEE
  • Patent number: 9618657
    Abstract: An optical element has a base material having a surface and a plurality of structures which are arranged on the surface of the base material at a fine pitch equal to or shorter than the wavelength of visible light and which each includes a convex or concave portion. The elastic modulus of the material forming the structures is 1 MPa or more and 1200 MPa or less, and the surface on which the structures are formed are hydrophilic.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: April 11, 2017
    Assignee: DEXERIALS CORPORATION
    Inventors: Tomoo Fukuda, Sung-kil Lee, Mitsuo Arima, Fumihiko Iida, Hiroyuki Kiso, Yu Nomura
  • Patent number: 9595132
    Abstract: A lens flare generation method and apparatus simulates lens flare effects through paraxial approximation-based linear approximation to generate a lens flare utilizing physical characteristics of a lens system while generating a lens flare at high speed. A non-linear effect may be added to a linear pattern-based lens flare effect to generate an actual lens flare reflecting most of physical characteristics generated from the lens system. A pre-recorded non-linear pattern may be used.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: March 14, 2017
    Assignee: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventor: Sung Kil Lee
  • Patent number: 9280846
    Abstract: A method for performing occlusion queries is disclosed. The method includes steps of: (a) a graphics processing unit (GPU) using a first depth buffer of a first frame to thereby predict a second depth buffer of a second frame; and (b) the GPU performing occlusion queries for the second frame by using the predicted second depth buffer, wherein the first frame is a frame predating the second frame. In accordance with the present invention, a configuration for classifying the objects into the occluders and the occludees is not required and the occlusion queries for the predicted second frame are acquired in advance at the last of the first frame or the first of the second frame.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: March 8, 2016
    Assignees: Center Of Human-Centered Interaction For Coexistence, Research & Business Foundation Sungkyunkwan University
    Inventors: Sung Kil Lee, Young Uk Kim
  • Publication number: 20160005216
    Abstract: A method for performing occlusion queries is disclosed. The method includes steps of: (a) a graphics processing unit (GPU) using a first depth buffer of a first frame to thereby predict a second depth buffer of a second frame; and (b) the GPU performing occlusion queries for the second frame by using the predicted second depth buffer, wherein the first frame is a frame predating the second frame. In accordance with the present invention, a configuration for classifying the objects into the occluders and the occludees is not required and the occlusion queries for the predicted second frame are acquired in advance at the last of the first frame or the first of the second frame.
    Type: Application
    Filed: July 2, 2015
    Publication date: January 7, 2016
    Inventors: Sung Kil Lee, Young Uk Kim
  • Publication number: 20150372278
    Abstract: A heat-resistant microporous film and a battery separator are provided and including a substrate comprising a porous film; and a heat-resistant layer formed on at least one surface of the substrate, the heat-resistant layer containing a heat-resistant resin and heat-resistant particles, wherein at least one protrusion is formed on a surface of the heat-resistant layer, and a total number of protrusions not exceeding 60 per surface area of 0.0418 mm2.
    Type: Application
    Filed: August 31, 2015
    Publication date: December 24, 2015
    Inventors: Akiko KAKIBE, Sung-kil LEE, Kazuhiro OKAMOTO
  • Patent number: 9136515
    Abstract: A heat-resistant microporous film and a battery separator are provided, which each include a substrate formed by using a porous film and include a heat-resistant layer formed on at least one surface of the substrate so as to contain a heat-resistant resin and heat-resistant particles, and in which a protrusion is formed on a surface of the heat-resistant layer in number not exceeding 60 per surface area of 0.0418 mm2 and has an area not exceeding 500 ?m2 per surface area of 0.0418 mm2 in a direction normal to a surface of the heat-resistant layer, the protrusion being formed as a result of aggregation of the heat-resistant particles and having a height of at least twice the average particle size of the heat-resistant particles with reference to the height average surface of the heat-resistant layer.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: September 15, 2015
    Assignee: Sony Corporation
    Inventors: Akiko Kakibe, Sung-kil Lee, Kazuhiro Okamoto
  • Patent number: 8998429
    Abstract: A printed material includes a printed material body with a surface, and an optical element disposed on the surface of the printed material body. The optical element includes multiple structures formed at a pitch not longer than the wavelength of visible light. The structures have an aspect ratio of 0.6 or more and 5.0 or less.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: April 7, 2015
    Assignee: Sony Corporation
    Inventors: Tomoo Fukuda, Mitsuo Arima, Sung-kil Lee, Yu Nomura, Hiroyuki Kiso, Fumihiko Iida
  • Publication number: 20150070375
    Abstract: According to the present invention, a lens flare generation method and apparatus are provided that may simulate lens flare effects through paraxial approximation-based linear approximation to generate a lens flare utilizing physical characteristics of a lens system while generating a lens flare at remarkably high speed as compared with the conventional art. Further, according to an embodiment of the present invention, a non-linear effect may be added to a linear pattern-based lens flare effect, generating an actual lens flare reflecting most of physical characteristics generated from the lens system. Further, use of a pre-recorded non-linear pattern allows for generation of a lens flare having a similar quality to the existing light tracking-based simulation at higher speed as compared with the conventional art without speed reduction.
    Type: Application
    Filed: June 18, 2014
    Publication date: March 12, 2015
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventor: Sung Kil LEE
  • Publication number: 20150036276
    Abstract: A transparent conductive film includes a metal filler and a colored self-assembled material adsorbed to the surface of the metal filler. This transparent conductive film can prevent diffuse reflection of light on the surface of the metal filler.
    Type: Application
    Filed: March 5, 2013
    Publication date: February 5, 2015
    Inventors: Naoto Kaneko, Mikihisa Mizuno, Sung-kil Lee, Ryosuke Iwata, Yasuhisa Ishii
  • Publication number: 20140098422
    Abstract: An optical element has a base material having a surface and a plurality of structures which are arranged on the surface of the base material at a fine pitch equal to or shorter than the wavelength of visible light and which each includes a convex or concave portion. The elastic modulus of the material forming the structures is 1 MPa or more and 1200 MPa or less, and the surface on which the structures are formed are hydrophilic.
    Type: Application
    Filed: March 30, 2012
    Publication date: April 10, 2014
    Applicant: DEXERIALS CORPORATION
    Inventors: Tomoo Fukuda, Sung-kil Lee, Mitsuo Arima, Fumihiko Iida, Hiroyuki Kiso, Yu Nomura
  • Patent number: 8269420
    Abstract: An illuminating device includes a fluorescent lamp including a blue phosphor and a red phosphor applied on an inner surface, the fluorescent lamp emitting blue light and red light from the blue phosphor and the red phosphor, respectively; and a green phosphor layer disposed outside the fluorescent lamp, the green phosphor layer containing a green phosphor containing Eu2+ or Ce3+ as a luminescent center. Green light emitted from the green phosphor excited by the blue light is mixed with the red light and the blue light so that white light is emitted from the illuminating device.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: September 18, 2012
    Assignee: Sony Corporation
    Inventors: Kazuhiko Morizawa, Sung-kil Lee, Takahiro Igarashi, Tsuneo Kusunoki
  • Publication number: 20120202102
    Abstract: A heat-resistant microporous film and a battery separator are provided, which each include a substrate formed by using a porous film and include a heat-resistant layer formed on at least one surface of the substrate so as to contain a heat-resistant resin and heat-resistant particles, and in which a protrusion is formed on a surface of the heat-resistant layer in number not exceeding 60 per surface area of 0.0418 mm2 and has an area not exceeding 500 ?m2 per surface area of 0.0418 mm2 in a direction normal to a surface of the heat-resistant layer, the protrusion being formed as a result of aggregation of the heat-resistant particles and having a height of at least twice the average particle size of the heat-resistant particles with reference to the height average surface of the heat-resistant layer.
    Type: Application
    Filed: November 10, 2011
    Publication date: August 9, 2012
    Applicant: SONY CORPORATION
    Inventors: Akiko Kakibe, Sung-kil Lee, Kazuhiro Okamoto
  • Patent number: 8187726
    Abstract: A nanoparticle-resin composite material is provided. The material has a transparent characteristic and a refractive index of at least 1.55 in the visible light region. The composite material includes inorganic nanoparticles dispersed in a polymer having a siloxane bond, the inorganic nanoparticles being coated with an organic compound. The organic compound is at least one compound selected from the group consisting of carboxylic acids, phosphinic acid, phosphonic acid, sulfinic acid, sulfonic acid, and thiols, and the selected compound contains an aryl group or an aryloxy group. The polymer is selected from the group consisting of methylphenyl polysiloxane, methylphenyl hydrogen polysiloxane, a mixture methylphenyl polysiloxane and methylphenyl hydrogen polysiloxane, or methylphenyl polysiloxane, methylphenyl hydrogen polysiloxane, and a mixture of methylphenyl polysiloxane and methylphenyl hydrogen polysiloxane.
    Type: Grant
    Filed: August 9, 2006
    Date of Patent: May 29, 2012
    Assignee: Sony Corporation
    Inventors: Yuuichi Sasaki, Mikihisa Mizuno, Sung-kil Lee, Hitoshi Katakura, Teiichi Miyauchi