Patents by Inventor Seung-koo Park

Seung-koo Park 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: 8979345
    Abstract: The present disclosure relates to a surface light emitting apparatus including: a light source bar including a light source for generating an optical signal; at least one optical distributor for dividing the optical signal generated in the light source into a plurality of optical signals; a light guide plate for confining the plurality of optical signals divided by the optical distributor in an inside thereof and transfer the optical signals; and a scattering pattern formed on a surface of the light guide plate and for emitting a light by the optical signal transferred through the light guide plate.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: March 17, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Suntak Park, Seung Koo Park, Min-Su Kim, Ki Uk Kyung
  • Publication number: 20150041771
    Abstract: Provided is a method of manufacturing an organic light-emitting diode including forming an anode on a substrate, forming an organic light-emitting layer on the anode, forming a cathode on the organic light-emitting layer, and forming a light scattering film on the cathode. The light scattering film is a polycrystalline dielectric material composed of anisotropic crystals, and a surface roughness Ra of a top surface of the light scattering film is greater than or equal to about 50 nm by an anisotropic crystal growth of particles of the dielectric material.
    Type: Application
    Filed: April 2, 2014
    Publication date: February 12, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Doo-Hee CHO, Jeong Ik LEE, Jin Wook SHIN, Jin Woo HUH, Nam Sung CHO, Jonghee LEE, Seung Koo PARK, Jaehyun MOON
  • Publication number: 20150044381
    Abstract: Provided are a metal oxide solution in organic solvent for a high refractive film, a method of preparing the same, and a method of fabricating a high refractive film using the same. The method of preparing the metal oxide solution in organic solvent for fabricating a high refractive film includes preparing a metal oxide precursor, preparing an organic solvent containing a carbonyl group, forming a metal oxide through a sol-gel reaction of the metal oxide precursor in the organic solvent in the presence of an acidic catalyst, and reacting the metal oxide and the organic solvent. The hydrogen bonding between the metal oxide and the organic solvent occurs.
    Type: Application
    Filed: July 17, 2014
    Publication date: February 12, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung Koo PARK, Jeong Ik LEE, Byoung Kuk KANG, Doo-Hee CHO, Jaehyun MOON, Jin Wook SHIN, Hye Yong CHU
  • Publication number: 20150011031
    Abstract: Provided is a method of manufacturing an organic light emitting diode. The method of manufacturing an organic light emitting diode includes forming a light scattering layer on a substrate, forming a metal mask layer on the light scattering layer, forming a metal mask pattern by performing a heat treatment process on the metal mask layer, forming a nano structure by pattering the light scattering layer by using the metal mask pattern as an etching mask, and forming a planarizing layer to cover the nano structure on the substrate, wherein the heat treatment process is performed at temperature of about 80° C. to about 200° C.
    Type: Application
    Filed: May 7, 2014
    Publication date: January 8, 2015
    Applicant: Electronics and Telecomunications Research Institute
    Inventors: Doo-Hee CHO, Jin Wook SHIN, Jeong Ik LEE, Hye Yong CHU, Jonghee LEE, Jaehyun MOON, Seung Koo PARK
  • Patent number: 8915640
    Abstract: Disclosed is a display device including a plurality of channels for forming a specific pattern, in which each of the channels includes: a light source module comprising one or more light sources for generating optical signals having different wavelengths; a driving module for controlling on/off or strength of the optical signal generated in the light source module; an optical waveguide for transferring the optical signal generated in the light source module to an outside without a loss of the optical signal; and a scattering pattern for scattering the optical signal transferred through the optical waveguide and displaying the scattered optical signal to the outside.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: December 23, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Suntak Park, Seung Koo Park, Min-Su Kim, Ki Uk Kyung
  • Patent number: 8901548
    Abstract: Provided is a dual-mode display including a substrate, and a plurality of sub pixels on the substrate. Each of the sub pixels may include an emissive device, a reflective optical filter provided on a surface of the emissive device, and an optical shutter provided on other surface of the emissive device.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: December 2, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Joon Tae Ahn, Jeong Ik Lee, Jaehyun Moon, Seung Koo Park, Nam Sung Cho, Doo-Hee Cho, Jun-Han Han, Joo Hyun Hwang, Jin Wook Shin, Jong Tae Lim, Chul Woong Joo, Jin Woo Huh, Chi-Sun Hwang, Hojun Ryu, Jae Bon Koo, Hye Yong Chu
  • Patent number: 8860050
    Abstract: Provided is a hybrid light emitting device. The hybrid light emitting device may include the first light emitting part on the substrate, the capping layer, and the second light emitting part. The first light emitting part may emit light having a first wavelength, and the first light emitting part may include a first electrode, an organic emitting layer, and a second electrode sequentially disposed. A second light emitting part may generate light having a second wavelength. A capping layer may be disposed between the organic emitting layer and the second light emitting part. The capping layer may reflect light having the first wavelength and transmit light having the second wavelength.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: October 14, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jun-Han Han, Jeong Ik Lee, Chul Woong Joo, Jin Woo Huh, Jaehyun Moon, Seung Koo Park, Joon Tae Ahn, Boong Joon Lee, Nam Sung Cho, Doo-Hee Cho, Joo Hyun Hwang, Jin Wook Shin, Hye Yong Chu
  • Patent number: 8828760
    Abstract: Provided is a method of fabricating an organic light emitting device that may form a light scattering layer having an irregular random structure at a low temperature. The method includes providing a substrate coated with a precursor layer; sequentially forming a metal layer and an organic layer on the precursor layer; performing a heat treatment of the organic layer to form an organic mask from the organic layer; patterning the metal layer by using the organic mask to form a metal mask; patterning the precursor layer by using the metal mask to form a light scattering layer having an irregular random structure; removing the metal mask and the organic mask; and sequentially stacking a planarization layer, a first electrode, an organic light emitting layer, a second electrode, and a passivation layer on the light scattering layer.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: September 9, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Bong Joon Lee, Doo-Hee Cho, Jaehyun Moon, Jeong Ik Lee, Hye Yong Chu, Seung Koo Park, Jin Wook Shin, Jin Woo Huh, Nam Sung Cho, Joon Tae Ahn, Jun-Han Han, Chul Woong Joo, Joo Hyun Hwang
  • Patent number: 8816584
    Abstract: Provided is a light source apparatus which include a light emitting unit including a light emitting area of unit of surface, an antenna disposed along the outer periphery so as not to encroach on a light emitting area and a driving unit, and a driving unit processing wireless power received from the antenna and supplying the processed wireless power to the light emitting unit. According to the light source apparatus, miniaturization may be accomplished and a shielding phenomenon of an antenna reception signal caused by the light emitting area may be suppressed.
    Type: Grant
    Filed: January 8, 2013
    Date of Patent: August 26, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jun-Han Han, Jeong Ik Lee, Yong Hae Kim, Myung Lae Lee, Sang Hoon Cheon, Jaehyun Moon, Seung Koo Park, Doo-Hee Cho, Joo Hyun Hwang, Jin Wook Shin, Chul Woong Joo, Jin Woo Huh, Hye Yong Chu
  • Publication number: 20140219625
    Abstract: An optical waveguide for optical interconnection including a polymer sheet comprising a crosslinked product of a prepolymer, the prepolymer prepared by condensation reaction between a first compound represented by the formula Ar—H, where Ar comprises (a) a crosslinkable moiety at one end, (b) a moiety selected from the group consisting of —O—, —S—, —COO—, —CO—, —COS—, —SO2—, and —NH—, and (c) one or two repeating units selected from the group consisting of: where A is carbon or nitrogen, and X is hydrogen or halogen; and a second compound consisting of an aromatic moiety.
    Type: Application
    Filed: April 8, 2014
    Publication date: August 7, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung Koo PARK, Jung Jin JU, Suntak PARK, Jong-Moo LEE, Min-su KIM, Jin Tae KIM, Joong-Seon CHOE
  • Publication number: 20140158997
    Abstract: Provided is a dual-mode display including a substrate, and a plurality of sub pixels on the substrate. Each of the sub pixels may include an emissive device, a reflective optical filter provided on a surface of the emissive device, and an optical shutter provided on other surface of the emissive device.
    Type: Application
    Filed: June 18, 2013
    Publication date: June 12, 2014
    Inventors: Joon Tae Ahn, Jeong Ik Lee, Jaehyun Moon, Seung Koo Park, Nam Sung Cho, Doo-Hee Cho, Jun-Han Han, Joo Hyun Hwang, Jin Wook Shin, Jong Tae Lim, Chul Woong Joo, Jin Woo Huh, Chi-Sun Hwang, Hojun Ryu, Jae Bon Koo, Hye Yong Chu
  • Publication number: 20140145160
    Abstract: Provided is a method of fabricating an organic scattering layer. The method may include providing a deposition apparatus with a reaction chamber and a source chamber, loading a substrate in the reaction chamber, supplying carrier gas into the source chamber that may be configured to supply an evaporated organic source material into the reaction chamber, a temperature of the carrier gas ranging from 25° C. to 50° C., and spraying the carrier gas and the evaporated organic source material into the reaction chamber through a showerhead to deposit an organic scattering layer on the substrate, the organic scattering layer including organic particles, which may be provided in a molecularized form of the evaporated organic source material, and thereby having an uneven surface.
    Type: Application
    Filed: September 6, 2013
    Publication date: May 29, 2014
    Applicants: UNITEX Co., LTD, Electronics and Telecommunications Research Institute
    Inventors: Nam Sung Cho, Jeong Ik Lee, Joo Hyun Hwang, Chul Woong Joo, Jun-Han Han, Seung Koo Park, Jaehyun Moon, Doo-Hee Cho, Jin Wook Shin, Hye Yong Chu, Seongdeok Ahn, Jin Woo Huh, Myung Gi Lee, Kyung Soo Suh, Byoung Gon Yu
  • Patent number: 8716403
    Abstract: A prepolymer prepared by condensation reaction between a first compound represented by Formula (1) below: Ar—H??(1), where Ar is composed of a crosslinkable moiety at one end, a moiety selected from the group —O—, —S—, —COO—, —CO—, —COS—, —SO2—, and —NH—, and one or two repeating units selected from the group: where A is carbon or nitrogen, and X is hydrogen or halogen; and a second compound that is an aromatic moiety.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: May 6, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung Koo Park, Jung Jin Ju, Suntak Park, Jong-Moo Lee, Min-Su Kim, Jin Tae Kim, Joong-Seon Choe
  • Publication number: 20140027727
    Abstract: Disclosed are organic light emitting devices and methods of fabricating the same. The organic light emitting device may include light scattering parts having irregular island-shapes irregularly arranged. The organic light emitting device may further include a planarization layer, a first electrode, an organic light emitting layer, a second electrode, and an encapsulation layer. The light scattering parts may be formed using an organic solution having a low refractive index to improve light extraction efficiency of the organic light emitting device. Additionally, the light scattering parts of the irregular island-shapes may improve the light extraction efficiency of lights of all wavelengths, so as to be applied to an organic white light emitting device. The light scattering parts of the irregular island-shapes may be formed using the organic solution by a dewetting phenomenon. The light scattering parts may be formed at a temperature of about 250 degrees Celsius or less.
    Type: Application
    Filed: January 22, 2013
    Publication date: January 30, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Bong Joon LEE, Doo-Hee Cho, Jaehyun Moon, Seung Koo Park, Jeong Ik Lee, Hye Yong Chu, Jin Wook Shin, Nam Sung Cho, Jin Woo Huh, Joon Tae Ahn, Jun-Han Han, Chul Woong Joo, Joo Hyun Hwang
  • Publication number: 20140029267
    Abstract: Provided are a random wrinkle structure-formable compound, a composition including the same, a film including a random wrinkle structure, a method of forming the film, and an organic light emitting device including the film. A compound according to the present invention is coated and then, a film having a surface structure of random wrinkles may be simply formed through simple ultraviolet (UV) curing or thermosetting. When the film thus formed is used in an organic light emitting device, light generated from the organic light emitting device is scattered on surfaces of the random wrinkles to prevent light guide or total reflection, and thus, light is extracted to the outside. That is, a random structure disposed at the outside of the device performs a light extraction function and consequently, light efficiency of the organic light emitting device may be increased.
    Type: Application
    Filed: February 28, 2013
    Publication date: January 30, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jaehyun MOON, Seung Koo Park, Jeong Ik Lee, Jin Wook Shin, Doo-Hee Cho, Joo Hyun Hwang, Chul Woong Joo, Jun-Han Han, Jin Woo Huh, Joon Tae Ahn, Nam Sung Cho, Hye Yong Chu, Byoung Gon Yu
  • Publication number: 20130156960
    Abstract: Provided are organic-inorganic hybrid polyamic ester, method of fabricating the same, and method of fabricating a film thereof. The polyamic ester is formed by chemically reacting an inorganic precursor containing inorganic and/or metal element with a polyamic acid having two carboxyl acid of good reactivity per a polymer repeating unit. The inorganic alkoxide is hydrolyzed to be the corresponding inorganic hydroxide. The hydroxyl group is reacted with the carboxylic acid of the polyamic acid and with the hydroxyl group of the other inorganic hydroxide. Therefore, the polyamic ester can steadily include more inorganic materials. The content amount of the inorganic material is relatively high, so that the polyamic ester may have superior refractive index, chemical and heat resistances.
    Type: Application
    Filed: September 14, 2012
    Publication date: June 20, 2013
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung Koo PARK, Jeong Ik LEE, Doo-Hee CHO, Hye Yong CHU, Chul Woong JOO
  • Publication number: 20130149803
    Abstract: Provided is a method of fabricating an organic light emitting diode. The method may include preparing a substrate, forming a textured portion on the substrate, the textured portion including protruding patterns randomly and irregularly arranged on the substrate, forming a planarization layer on the substrate to planarize the substrate formed with the textured portion, forming a first electrode on the planarization layer, forming an organic light emitting layer on the first electrode, and forming a second electrode on the organic light emitting layer.
    Type: Application
    Filed: September 7, 2012
    Publication date: June 13, 2013
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jaehyun MOON, Jeong Ik Lee, Doo-Hee Cho, Seung Koo Park, Hye Yong Chu, Joo Hyun Hwang, Jin Wook Shin, Jun-Han Han, Chul Woong Joo, Jin Woo Huh, Byoung Gon Yu
  • Patent number: 8363988
    Abstract: An opto-electronic connector module includes an optical waveguide portion including an optical waveguide in which an optical signal is transmitted, and a connector portion coupled to the optical waveguide portion, fixing the optical waveguide portion on a PCB on which a semiconductor chip portion having an opto-electronic device and a semiconductor chip is surface-mounted, and having a first coupling portion having a convex or concave structure formed in a lower portion thereof. The first coupling portion of the connector portion is coupled to a second coupling portion having a concave or convex structure formed on an upper surface of the PCB.
    Type: Grant
    Filed: August 13, 2007
    Date of Patent: January 29, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jin Tae Kim, Jung Jin Ju, Sun Tak Park, Seung Koo Park, Min Su Kim, Myung Hyun Lee
  • Patent number: 8244079
    Abstract: Provided are a light emitting device and an optical coupling module. The device includes a substrate, a light emitting part provided to the substrate, and a reflecting part provided to a lower surface of the substrate. The light emitting part includes an active pattern disposed on the substrate, an upper mirror provided to an upper portion of the active pattern, and a lower mirror provided to a lower portion of the active pattern. The light emitting part may emit light normal to the substrate, and the reflecting part may reflect the emitted light to a side surface of the substrate.
    Type: Grant
    Filed: June 11, 2009
    Date of Patent: August 14, 2012
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jin-Tae Kim, Sun-Tak Park, Jung-Jin Ju, Seung-Koo Park, Min-Su Kim, Jong-Moo Lee, Joong-Seon Choe
  • Publication number: 20120146954
    Abstract: Disclosed is an optical touch screen panel including: a light source unit to generate light parallel with a horizontal axis or a vertical axis of a touch screen; a first beam deflector to increase the width of the light parallel with the horizontal axis to be matched with the width of the horizontal-axis of the touch screen, or increase the width of the parallel light parallel with the vertical axis to be matched with the width of the vertical-axis of the touch screen in order to reflect the parallel light having the increased width; a second beam deflector to reduce the width of the parallel light incident from the first beam deflector in order to reflect the parallel light having the reduced width; and a photodetector unit to sense a touched position of an object on the horizontal-axis or the vertical-axis of the touch screen.
    Type: Application
    Filed: November 22, 2011
    Publication date: June 14, 2012
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Suntak PARK, Seung Koo Park, Jung Jin Ju, Min-su Kim, Jin Tae Kim, Ki Uk Kyung