Patents by Inventor Gi-heon Kim

Gi-heon Kim 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: 7564615
    Abstract: Provided are a color electrophoretic display and a method of manufacturing the same. The color electrophoretic display includes: a plurality of lower electrodes arranged on a lower layer and disposed with a predetermined interval therebetween; a plurality of first to third photoresist chambers arranged on the plurality of lower electrodes; first to third electronic inks accommodated in the plurality of first to third photoresist chambers respectively, and discriminatively operating to an electric field to independently display red, green, and blue colors; and a plurality of upper electrodes disposed with a predetermined interval therebetween and facing the plurality of lower electrodes with the plurality of first to third photoresist chambers being held therebetween.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: July 21, 2009
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seong Deok Ahn, Seung Youl Kang, Chul Am Kim, In Kyu You, Gi Heon Kim, Ji Young Oh, Kyu Ha Baek, Kyung Soo Suh
  • Patent number: 7564053
    Abstract: Provided are a composition for a photo-reactive organic polymeric gate insulating layer and an organic thin film transistor using the same. The composition for the photo-reactive organic polymeric gate insulating layer comprises poly (vinyl) phenol and a photo-reactive material, and the organic thin film transistor has a photo-reactive organic polymeric gate insulating layer formed of the composition. The composition for the photo-reactive organic polymeric gate insulating layer can add the photo patterning characteristics to an organic polymer and can form the layer with the enhanced electrical characteristics.
    Type: Grant
    Filed: July 25, 2005
    Date of Patent: July 21, 2009
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Gi Heon Kim, Sung Min Yoon, Kyung Soo Suh
  • Publication number: 20090151868
    Abstract: Provided is a display panel comprised of a white color organic luminescent element and a color filter for full color implementation, wherein a substrate in which an organic luminescent element is formed and a color filter are assembled and fixed to face each other with an adhesive pattern therebetween, and liquid oil is filled between the color filter and the substrate inside of the adhesive pattern so as to block external moisture or oxygen, so that deterioration of luminous characteristics due to the external moisture or oxygen may be prevented by encapsulating the organic luminescent element and the color filter with the liquid oil, which leads to enhance reliability and stability of the element, and also allows the encapsulation process to be performed with relatively simple steps and low cost.
    Type: Application
    Filed: February 13, 2009
    Publication date: June 18, 2009
    Inventors: Gi Heon Kim, Sung Min Yoon, In Kyu You, Kyu Ha Baek, Kyung Soo Suh
  • Publication number: 20090152537
    Abstract: Provided are a composition for an organic polymer gate insulating layer and an Organic Thin Film Transistor (OTFT) using the same. The composition includes an insulating organic polymer including at least one selected from the group consisting of polymethylmethacrylate (PMMA), polyvinylalcohol (PVA), polyvinylpyrrolidone (PVP), poly(vinyl phenol) (PVPh) and a copolymer thereof, a crosslinking monomer having two or more double bonds, and a photoinitiator. The OTFT includes a gate insulating layer of a semi-interpenetrating polymer network formed of the composition. The composition for a photoreactive organic polymer gate insulating layer has a photochemical characteristic that enables micropatterning, and can be formed into a layer having excellent chemical resistance, thermal resistance, surface characteristics and electrical characteristics.
    Type: Application
    Filed: July 30, 2008
    Publication date: June 18, 2009
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seong Hyun KIM, Sang Chul LIM, Gi Heon KIM, Ji Ho YOUK, Tae Gon KIM
  • Patent number: 7542125
    Abstract: Disclosed is a method of cutting a liquid crystal display (LCD) unit cell from an LCD assembly panel. The method includes applying a coolant onto heated cutting path formed on the LCD assembly panel. A rapidly heated portion of the substrate is rapidly cooled using water having a high specific heat or a mixed coolant in which a material for improving characteristics of surface tension, viscosity and thermal conductivity is dissolved in water. Therefore, the cutting quality of the substrate is improved, and a cutting speed is also enhanced.
    Type: Grant
    Filed: November 16, 2005
    Date of Patent: June 2, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gi-Heon Kim, Dae-Ho Choo, Baek-Kyun Jeon, Hyung-Woo Nam
  • Patent number: 7534302
    Abstract: Provided is a method of cleaning a flexible substrate. The method includes the steps of: preparing a flexible substrate and detaching an impurity adhered to both surfaces of the flexible substrate using rotating first rollers disposed on the both surfaces of the flexible substrate; and removing the impurity by transferring the impurity from the first roller to a second roller using the rotating second roller having a relatively higher adhesion than the first roller.
    Type: Grant
    Filed: November 26, 2007
    Date of Patent: May 19, 2009
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Gi Heon Kim, Kyung Soo Suh, Kyu Ha Baek, In Kyu You, Seung Youl Kang, Seong Deok Ahn, Chul Am Kim
  • Patent number: 7507601
    Abstract: Provided is a display panel comprised of a white color organic luminescent element and a color filter for full color implementation, wherein a substrate in which an organic luminescent element is formed and a color filter are assembled and fixed to face each other with an adhesive pattern therebetween, and liquid oil is filled between the color filter and the substrate inside of the adhesive pattern so as to block external moisture or oxygen, so that deterioration of luminous characteristics due to the external moisture or oxygen may be prevented by encapsulating the organic luminescent element and the color filter with the liquid oil, which leads to enhance reliability and stability of the element, and also allows the encapsulation process to be performed with relatively simple steps and low cost.
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: March 24, 2009
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Gi Heon Kim, Sung Min Yoon, In Kyu You, Kyu Ha Baek, Kyung Soo Suh
  • Publication number: 20090038749
    Abstract: Provided is an adhesive film used for manufacturing a flexible display. The adhesive film includes a support body, a first adhesive layer, and a second adhesive layer. The support body has a first surface and a second surface. A flexible substrate is attached on the first surface. A support substrate is attached on the second surface. The second surface is opposite to the first surface. The first adhesive layer is provided on the first surface of the support body, and the second adhesive layer is provided on the second surface of the support body. The first adhesive layer and the second adhesive layer have the same adhesive strength.
    Type: Application
    Filed: May 12, 2008
    Publication date: February 12, 2009
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Gi-Heon Kim, Yong-Hae Kim, Chul-Am Kim, Kyung-Soo Suh
  • Publication number: 20090029149
    Abstract: Provided are a plastic substrate and a method of forming the same. The method includes coating a mixture including an inorganic material and an organic material on an organic substrate to form a coating layer. A protective layer including an inorganic layer and an organic layer is formed from the coating layer.
    Type: Application
    Filed: April 30, 2008
    Publication date: January 29, 2009
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Gi-Heon KIM, Chul-Am Kim, Kyung-Soo Seo
  • Patent number: 7482625
    Abstract: Provided are a composition for thermosetting organic polymeric gate insulating layer and an organic thin film transistor using the same. The composition for thermosetting organic polymeric gate insulating layer contains a thermosetting material in polyvinyl phenol as an organic polymeric gate insulating layer material, to improve a chemical resistance and an insulating property, and an organic thin film transistor includes a thermosetting organic polymeric gate insulating layer formed of the composition. The composition for thermosetting organic polymeric gate insulating layer endows an organic polymer with a thermosetting property, thereby being capable of improving the chemical resistance and the insulating property as well as of forming a layer having a device property improved.
    Type: Grant
    Filed: August 16, 2005
    Date of Patent: January 27, 2009
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Gi Heon Kim, Sung Min Yoon, In Kyu You, Seung Youl Kang, Seong Deok Ahn, Kyu Ha Baek, Kyung Soo Suh
  • Publication number: 20080223509
    Abstract: An adhesive film and a method of fabricating a flexible display using the same are provided. The adhesive film includes: a support including a first surface disposed opposite to a flexible substrate for forming an image display element and a second surface disposed opposite to a support substrate for supporting the flexible substrate; a first adhesive material applied on the first surface of the support; and a second adhesive material applied on the second surface of the support and having a greater adhesive strength than the first adhesive material. The flexible substrate can be easily detached from the support substrate, so that the flexible display can be realized in various sizes and thicknesses using existing equipment without modification of mass-production equipment for realizing the flexible display.
    Type: Application
    Filed: May 30, 2008
    Publication date: September 18, 2008
    Inventors: Gi Heon KIM, Yong Hae KIM, In Kyu YOU, Kyu Ha BAEK, Seung Youl KANG, Seong Deok AHN, Kyung Soo SUH
  • Publication number: 20080138517
    Abstract: Provided are a device for depositing an organic/inorganic thin film and a deposition method thereof.
    Type: Application
    Filed: December 5, 2007
    Publication date: June 12, 2008
    Inventors: Seong Deok AHN, Seung Youl KANG, Chul Am KIM, Ji Young OH, In Kyu YOU, Gi Heon KIM, Kyu Ha BAEK, Kyung Soo SUH
  • Publication number: 20080135063
    Abstract: Provided is a method of cleaning a flexible substrate. The method includes the steps of: preparing a flexible substrate and detaching an impurity adhered to both surfaces of the flexible substrate using rotating first rollers disposed on the both surfaces of the flexible substrate; and removing the impurity by transferring the impurity from the first roller to a second roller using the rotating second roller having a relatively higher adhesion than the first roller.
    Type: Application
    Filed: November 26, 2007
    Publication date: June 12, 2008
    Inventors: Gi Heon KIM, Kyung Soo SUH, Kyu Ha BAEK, In Kyu YOU, Seung Youl KANG, Seong Deok AHN, Chul Am KIM
  • Publication number: 20080138774
    Abstract: Provided are a braille display device using an electrorheological fluid and a method for manufacturing the same. The braille display device includes: a base body in which a plurality of insulating reception grooves are formed; a first electrode arranged below the base body; an electrorheological fluid received in the reception groove; a microcapsule having an electrophoresis particle which is dispersed in the electrorheological fluid; a second electrode arranged above the microcapsule; a braille pin installed above the second electrode; and a braille pin protection film arranged above the braille pin.
    Type: Application
    Filed: December 5, 2007
    Publication date: June 12, 2008
    Inventors: Seong Deok Ahn, Seung Youl Kang, Chul Am Kim, Ji Young Oh, In Kyu You, Gi Heon Kim, Kyu Ha Baek, Kyung Soo Suh
  • Publication number: 20080123177
    Abstract: Provided are an electrophoretic display device and a manufacturing method thereof, and more specifically, electrophoretic e-paper to which a high-k dielectric material is applied in order to improve a reaction rate. The electrophoretic display device of the present invention comprises a plurality of capsules comprising a dielectric fluid and at least one type of particles individually operating in response to an applied electric field and suspended in the dielectric fluid; first and second substrates respectively formed on and below the capsules and having electrodes formed thereon; and a dielectric layer formed on at least one of the first and second substrates to be in contact with the capsules.
    Type: Application
    Filed: October 25, 2007
    Publication date: May 29, 2008
    Inventors: In Kyu You, Seung Youl Kang, Chul Am Kim, Seong Deok Ahn, Gi Heon Kim, Ji Young Oh, Kyung Soo Suh
  • Publication number: 20080063795
    Abstract: Provided is an insulating layer in which an inorganic material is added to an organic polymer to thereby improve the insulating properties, an organic thin film transistor using the insulating layer, and a method of fabricating the organic thin film transistor. An insulating layer for an organic thin film transistor including a vinyl polymer and an inorganic material is provided. Here, a weight ratio of the vinyl polymer to the inorganic material may be in the range of 1:0.0001 to 1:0.5. Accordingly, it is possible to fabricate a thin film at low temperature and, further, to fabricate an insulating layer having a high-dielectric constant, not affecting other layers formed in the previous processes during the formation of the insulating layer.
    Type: Application
    Filed: July 25, 2007
    Publication date: March 13, 2008
    Inventors: Gi Heon KIM, Sung Min YOON, Kyu Ha BAEK, In Kyu YOU, Seung Youl KANG, Seong Deok AHN, Kyung Soo SUH
  • Publication number: 20080053604
    Abstract: A method of stacking a flexible substrate is provided. The method includes the steps of: preparing a carrier substrate; stacking an adhesive layer on the carrier substrate; and stacking a flexible substrate having at least one image display device on the adhesive layer using a laminating or pressing method. Thus, the flexible substrate is easily fabricated without modification of conventional mass-production equipment for fabricating a display, and thereby a lightweight, thin, and compact flexible display can be realized.
    Type: Application
    Filed: July 9, 2007
    Publication date: March 6, 2008
    Inventors: Gi Heon KIM, Yong Hae KIM, Dong Jin PARK, Chul Am KIM, Kyung Soo SUH
  • Patent number: 7307119
    Abstract: The present invention is directed to a thin film material for encapsulation of organic or polymeric light-emitting electric device having light-emitting layer between cathode and anode, for elongation of lifetime of said device and for providing said device with flexibility, more specifically, to a thin film material for encapsulation of organic or polymeric light-emitting electric device comprising polymer having, as repeating unit of backbone, homo-, 2-component co-, ter-, or tetra-polymer of one to four pentaerythritol acrylate monomer, or physically mixed polymer blend of said polymer and polymers other than poly(pentaerythrithol acrylate). Moreover, the present invention is directed to a method for encapsulation of organic or polymeric light-emitting device using said thin film material consisting of wet and dry process. The light-emitting device encapsulated according to the present invention can be bended and can be used in the manufacturing of large surface area display.
    Type: Grant
    Filed: July 29, 2003
    Date of Patent: December 11, 2007
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Gi Heon Kim, Ji Young Oh, Yong Suk Yang, Jeong Ik Lee, Lee Mi Do, Tae Hyoung Zyung
  • Publication number: 20070085071
    Abstract: Provided are a low temperature-cured polymer gate insulation layer and an organic thin film transistor having the same. The gate insulation layer includes an acrylate-based compound, an anhydride-based compound, and an epoxy-based compound each by 0.1 weight % or more.
    Type: Application
    Filed: February 15, 2006
    Publication date: April 19, 2007
    Inventors: Gi Heon Kim, Sung Min Yoon, In Kyu You, Seung Youl Kang, Seong Deok Ahn, Kyu Ha Baek, Kyung Soo Suh
  • Patent number: 7061012
    Abstract: Provided is a display panel comprised of a white color organic luminescent element and a color filter for full color implementation, wherein a substrate in which an organic luminescent element is formed and a color filter are assembled and fixed to face each other with an adhesive pattern therebetween, and liquid oil is filled between the color filter and the substrate inside of the adhesive pattern so as to block external moisture or oxygen, so that deterioration of luminous characteristics due to the external moisture or oxygen may be prevented by encapsulating the organic luminescent element and the color filter with the liquid oil, which leads to enhance reliability and stability of the element, and also allows the encapsulation process to be performed with relatively simple steps and low cost.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: June 13, 2006
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Gi Heon Kim, Sung Min Yoon, In Kyu You, Kyu Ha Baek, Kyung Soo Suh