Patents by Inventor Young-Cheol Joo

Young-Cheol Joo 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: 20110278553
    Abstract: An organic light-emitting apparatus having high rigidity and preventing deterioration of an organic light-emitting device therein by use of a crosslinking agent including a SiH group in the surface of a core particle.
    Type: Application
    Filed: March 4, 2011
    Publication date: November 17, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Oh-June KWON, Seung-Yong SONG, Young-Seo CHOI, Ji-Hun RYU, Young-Cheol JOO, Jin-Hwan JEON, Sun-Young JUNG
  • Patent number: 8049245
    Abstract: This organic light emitting apparatus includes: a filling material between a diode substrate on which an organic light emitting unit is formed and an encapsulation substrate; and an organic protection layer that is interposed between the organic light emitting unit and the filling material and includes at least one thermally depositable organic material.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: November 1, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Seung-Yong Song, Kwan-Hee Lee, Young-Seo Choi, Oh-June Kwon, Sun-Young Jung, Ji-Hun Ryu, Young-Cheol Joo
  • Patent number: 8016632
    Abstract: Disclosed is a light emitting display device including a seal and a method of fabricating the same. The light emitting display device includes a first substrate composed of a pixel region and a non-pixel region disposed around the pixel region; a pad portion formed in the non-pixel region to supply a signal to the pixel region; a second substrate disposed to face the first substrate; and a seal provided between the first substrate and the second substrate and disposed to surround the pixel region. Here, the seal is disposed on a first side between the pixel region and the pad portion, on a second side facing the first side, and on an outer ring of third sides contacting both ends of the first side and the second side, and the seal disposed in the outer ring of the third sides is filled up to contour lines of the first substrate and the second substrate.
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: September 13, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Oh-june Kwon, Seung-yong Song, Young-seo Choi, Sun-young Jung, Young-cheol Joo, Ji-hun Ryu, Kwan-hee Lee
  • Publication number: 20110207325
    Abstract: Provided are an organic light emitting display device and a method of manufacturing the same. The organic light emitting display device includes a substrate; an sealing substrate facing the substrate, an organic light emitting unit disposed between the substrate and the sealing substrate and having a plurality of organic light emitting devices emitting light, and a plurality of grooves formed in a light extracting surface of the organic light emitting display device through which the light is emitted to the outside. In one embodiment, the grooves are formed on the sealing substrate, and in another embodiment, the grooves are formed on the substrate.
    Type: Application
    Filed: May 4, 2011
    Publication date: August 25, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Oh-June Kwon, Kwan-Hee Lee, Seung-Yong Song, Young-Seo Choi, Sun-Young Jung, Young-Cheol Joo, Ji-Hun Ryu
  • Patent number: 7965497
    Abstract: A flat panel display apparatus including: a mother substrate; a display unit provided on the mother substrate; an opposing mother substrate facing the mother substrate such that the display unit is interposed between the mother substrate and the opposing mother substrate; a sealing member provided between the mother substrate and the opposing mother substrate to contact the substrate and/or the opposing mother substrate and arranged outside or along a periphery of the display unit; and an auxiliary layer provided between the mother substrate and the opposing mother substrate to prevent a warpage of the mother substrate and/or the opposing mother substrate.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: June 21, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Oh-June Kwon, Seung-Yong Song, Young-Seo Choi, Kwan-Hee Lee, Sun-Young Jung, Ji-Hun Ryu, Young-Cheol Joo
  • Patent number: 7960911
    Abstract: Provided are an organic light emitting display device and a method of manufacturing the same. The organic light emitting display device includes a substrate; an sealing substrate facing the substrate, an organic light emitting unit disposed between the substrate and the sealing substrate and having a plurality of organic light emitting devices emitting light, and a plurality of grooves formed in a light extracting surface of the organic light emitting display device through which the light is emitted to the outside. In one embodiment, the grooves are formed on the sealing substrate, and in another embodiment, the grooves are formed on the substrate.
    Type: Grant
    Filed: January 6, 2009
    Date of Patent: June 14, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Oh-June Kwon, Kwan-Hee Lee, Seung-Yong Song, Young-Seo Choi, Sun-Young Jung, Young-Cheol Joo, Ji-Hun Ryu
  • Publication number: 20110062846
    Abstract: An organic light emitting device display includes a substrate, an organic light emitting diode array on the substrate, an encapsulation substrate on the organic light emitting diode array, and an internal filler between the organic light emitting diode array and the encapsulation substrate, the internal filler including a cross-linked silicone polymer.
    Type: Application
    Filed: January 28, 2010
    Publication date: March 17, 2011
    Inventors: Seung-Yong Song, Young-Seo Choi, Oh-June Kwon, Ji-Hun Ryu, Sun-Young Jung, Young-Cheol Joo
  • Publication number: 20110057172
    Abstract: A sealing filler for an organic light emitting device display includes a siloxane polymer having a surface tension of about 20 dyn/cm or less. The siloxane polymer may be represented by where each of R1 to R10 is independently a non-polar substituent, and n ranges from 20 to 50.
    Type: Application
    Filed: January 28, 2010
    Publication date: March 10, 2011
    Inventors: Seung-Yong Song, Young-Seo Choi, Oh-June Kwon, Ji-Hun Ryu, Sun-Young Jung, Young-Cheol Joo
  • Publication number: 20110037382
    Abstract: An organic light emitting display (OLED) device and a method of manufacturing the same, the OLED device including a first substrate having an organic emission unit on a surface thereof, a second substrate above the first substrate, an inorganic sealing member between the first substrate and the second substrate, the inorganic sealing member bonding the first substrate and the second substrate. and a filler, the filler filling a space between the first substrate and the second substrate, wherein a volume of the filler is greater than a volume of a space between the first substrate, the second substrate, and the inorganic sealing member prior to bonding the first substrate and the second substrate.
    Type: Application
    Filed: April 8, 2010
    Publication date: February 17, 2011
    Inventors: Young-Seo Choi, Soung-Yong Song, Oh-June Kwon, Ji-Hun Ryu, Young-Cheol Joo, Sun-Young Jung, Kwan-Hee Lee
  • Publication number: 20100279577
    Abstract: A laser irradiation apparatus for bonding a first substrate to a second substrate using bonding members and a method of manufacturing a display device using the same, the laser irradiation apparatus including a stage on which the first substrate is mounted, bonding members disposed between the first substrate and the second substrate, a laser oscillating member configured to irradiate a laser beam onto the bonding members, and a temperature maintaining member co-operating with the first substrate to maintain a temperature of the first substrate at a predetermined temperature.
    Type: Application
    Filed: April 13, 2010
    Publication date: November 4, 2010
    Inventors: Young-Cheol Joo, Kwan-Hee Lee, Seung-Yong Song, Young-Seo Choi, Sun-Young Jung, Oh-June Kwon
  • Publication number: 20100227524
    Abstract: A method of manufacturing an organic light emitting diode (OLED) display device including a first substrate having a pixel region, and a second substrate attached to the first substrate, to seal the pixel region, the method including: applying a frit to a region of the second substrate; applying a laser beam to the frit, to plasticize the frit; aligning the first substrate and the second substrate; and applying a laser beam to the frit, to attach the first and second substrates.
    Type: Application
    Filed: February 26, 2010
    Publication date: September 9, 2010
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Sun-Young Jung, Seung-Han Lee, Seung-Yong Song, Young-Seo Choi, Jin-Hwan Jeon, Oh-June Kwon, Young-Cheol Joo, Ji-Hun Ryu, Ji-Young Moon, Chang-Suk Park
  • Patent number: 7780493
    Abstract: A method of manufacturing a flat panel display device is disclosed. In one embodiment, the method includes: i) forming a plurality of light emitting units on a first substrate, each of the plurality of light emitting units including a light emitting element, ii) providing a second substrate, iii) placing glass frits between the first and second substrates, iv) radiating a first laser beam, having a first intensity, on one of the first and second substrates, wherein the first laser is configured to melt the grass frits and combine the first and second substrates and v) radiating a second laser beam, having a second intensity, on the first irradiated region so as to anneal the first or second substrate, wherein the second intensity is different from the first intensity. According to one embodiment, the substrate cutting quality can be simply improved.
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: August 24, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Dong-Soo Choi, Jang-Hwan Shin, Young-Cheol Joo, Jin-Woo Park
  • Publication number: 20100148157
    Abstract: Provided are an organic light emitting apparatus and a method of manufacturing the same. The organic light emitting apparatus includes: a filling material between a diode substrate on which an organic light emitting unit is formed and an encapsulation substrate; and an organic protection layer that is interposed between the organic light emitting unit and the filling material and includes at least one thermally depositable organic material.
    Type: Application
    Filed: July 30, 2009
    Publication date: June 17, 2010
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Seung-Yong Song, Kwan-Hee Lee, Young-Seo Choi, Oh-June Kwon, Sun-Young Jung, Ji-Hun Ryu, Young-Cheol Joo
  • Publication number: 20100013384
    Abstract: Embodiments of the disclosure provide an organic light-emitting display device and a manufacturing method of the organic light-emitting display device. The organic light-emitting display device includes a substrate; a display unit formed on the substrate; an encapsulation substrate formed above the display unit; a first sealant bonding the substrate and the encapsulation substrate; and a filler disposed between the substrate and the encapsulation substrate. In addition, a second sealant is provided to separate the the first sealant and the filler. The adhesive strength of the second sealant is greater than an adhesive strength of the filler.
    Type: Application
    Filed: July 16, 2009
    Publication date: January 21, 2010
    Applicant: SAMSUNG SDI CO., LTD
    Inventors: Seung-Yong SONG, Young-Seo CHOI, Oh-June KWON, Sun-Young JUNG, Young-Cheol JOO
  • Publication number: 20100012966
    Abstract: An organic light emitting display apparatus and a method of manufacturing the organic light emitting display apparatus are disclosed. In one embodiment, the organic light emitting display apparatus includes: i) a substrate, ii) a display unit formed on the substrate, iii) an encapsulation substrate formed over the display unit, iv) a sealant bonding the substrate and the encapsulation substrate and v) a filler formed in the space defined by i) the substrate, ii) the sealant and iii) the encapsulation substrate, wherein the filler comprises a first region and a second region which have different levels of hardness.
    Type: Application
    Filed: March 18, 2009
    Publication date: January 21, 2010
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Young-Seo Choi, Kwan-Hee Lee, Seung-Yong Song, Oh-June Kwon, Sun-Young Jung, Ji-Hun Ryu, Young-Cheol Joo
  • Publication number: 20100008026
    Abstract: A flat panel display apparatus including: a mother substrate; a display unit provided on the mother substrate; an opposing mother substrate facing the mother substrate such that the display unit is interposed between the mother substrate and the opposing mother substrate; a sealing member provided between the mother substrate and the opposing mother substrate to contact the substrate and/or the opposing mother substrate and arranged outside or along a periphery of the display unit; and an auxiliary layer provided between the mother substrate and the opposing mother substrate to prevent a warpage of the mother substrate and/or the opposing mother substrate.
    Type: Application
    Filed: March 30, 2009
    Publication date: January 14, 2010
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Oh-June Kwon, Seung-Yong Song, Young-Seo Choi, Kwan-Hee Lee, Sun-Young Jung, Ji-Hun Ryu, Young-Cheol Joo
  • Publication number: 20090267492
    Abstract: Provided are an organic light emitting display device and a method of manufacturing the same. The organic light emitting display device includes a substrate; an sealing substrate facing the substrate, an organic light emitting unit disposed between the substrate and the sealing substrate and having a plurality of organic light emitting devices emitting light, and a plurality of grooves formed in a light extracting surface of the organic light emitting display device through which the light is emitted to the outside. In one embodiment, the grooves are formed on the sealing substrate, and in another embodiment, the grooves are formed on the substrate.
    Type: Application
    Filed: January 6, 2009
    Publication date: October 29, 2009
    Inventors: Oh-June Kwon, Kwan-Hee Lee, Seung-Yong Song, Young-Seo Choi, Sun-Young Jung, Young-Cheol Joo, Ji-Hun Ryu
  • Publication number: 20090250007
    Abstract: An apparatus for increasing uniformity of thin films deposited on a substrate includes multiple deposition sources to accommodate and discharge evaporation material. A member supports the deposition sources in a selected arrangement. A heater can be used to apply heat to the deposition sources. In another embodiment, the apparatus can include a container to accommodate evaporation material. The container may include aperture at or near its center. A cover caps an opening of the container and includes multiple gas outlets. The apparatus further includes a heater disposed along an inner surface of the aperture and along an outer surface of the container.
    Type: Application
    Filed: July 30, 2007
    Publication date: October 8, 2009
    Inventors: Kug Weon Kim, Tai Joon Um, Young Cheol Joo, Sang Wook Lee
  • Publication number: 20090195147
    Abstract: Provided are an organic light-emitting display device and a manufacturing method of the organic light emitting display device. The organic light-emitting display device includes: a substrate; a display unit formed on the substrate; an encapsulation substrate formed above the display unit; a first sealant bonding the substrate and the encapsulation substrate; a filler formed between the substrate and the encapsulation substrate; and a second sealant interposed between the first sealant and the filler so as to separate the filler from the first sealant, wherein a distance of a portion of the substrate and the encapsulation substrate is smaller than that of other portions of the substrate and the encapsulation substrate. Accordingly, penetration of impurities, such as oxygen or water, from the outside into the organic light emitting display device is prevented.
    Type: Application
    Filed: July 25, 2008
    Publication date: August 6, 2009
    Inventors: Seung-Yong Song, Young-Seo Choi, Oh-June Kwon, Young-Cheol Joo, Sun-Young Jung, Ji-Hun Ryu
  • Publication number: 20090185339
    Abstract: A flat panel display apparatus includes a flat display panel including first and second substrates facing each other with a display unit therebetween, the first substrate extending beyond the second substrate, a portion of the first substrate extending beyond the second substrate defining a protruding portion, an outermost edge of the protruding portion defining a protruding edge of the first substrate, and corners of the protruding portion being chamfered, and a bezel surrounding the flat display panel.
    Type: Application
    Filed: January 14, 2009
    Publication date: July 23, 2009
    Inventors: Oh-June Kwon, Seung-Yong Song, Kwan-Hee Lee, Young-Seo Choi, Sun-Young Jung, Ji-Hun Ryu, Young-Cheol Joo, Jung-Jun Im, Dong-Su Yee, Chan-Hee Wang, Chan-Kyoung Moon, Jang-Hwan Shin, Dae-Ho Lim, Rog Hur, Kuen-Dong Ha