Patents by Inventor Un Cheol Sung

Un Cheol Sung 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: 20090261715
    Abstract: An organic light emitting device includes a first pixel displaying a first color, a second pixel adjacent to the first pixel and displaying a second color, and a third pixel adjacent to the first pixel or the second pixel and displaying a third color, wherein the first pixel includes a first and second subpixel units that output respective lights having different color characteristics.
    Type: Application
    Filed: December 10, 2008
    Publication date: October 22, 2009
    Inventors: Un-Cheol Sung, Ji-Hye Choi, Young-Rok Song, Soo-Yeon Lee
  • Publication number: 20090261713
    Abstract: An organic light emitting device according to an exemplary embodiment of the present invention includes: a substrate; a first signal line and a second signal line formed on the substrate and intersecting each other; a common voltage line formed on the substrate, and intersecting one of the first signal line and the second signal line; a switching thin film transistor connected to the first signal line and the second signal line; a driving thin film transistor connected to the switching thin film transistor; an insulating layer covering the first signal line, the second signal line, the switching thin film transistor, and the driving thin film transistor; a pixel electrode formed on the insulating layer, and electrically connected to the driving thin film transistor; an organic light emitting member formed on the pixel electrode and including an emission layer and a member layer; and a common electrode formed on the organic light emitting member, wherein the member layer is made of a plurality of layers includ
    Type: Application
    Filed: October 29, 2008
    Publication date: October 22, 2009
    Inventors: Beohm-Rock CHOI, Sang-Woo Lee, Un-Cheol Sung, Jung-Soo Rhee, Young-Rok Song, Jung-Yeon Kim
  • Patent number: 7564060
    Abstract: A display includes a substrate, a plurality of first and second signal lines formed on the substrate and insulated from each other, a plurality of driving voltage lines formed with a same layer as the first signal lines, at least one driving voltage connection formed with a same layer as the second signal lines, at least one connecting member electrically connecting the driving voltage lines and the driving voltage connection, at least one first thin film transistor connected to the first and second signal lines, at least one second thin film transistor connected to the first thin film transistor and the driving voltage lines, at least one first electrode connected to the second thin film transistors, at least one second electrode opposing the first electrode, at least one organic light emitting member formed between the first electrode and the second electrode, and at least one assistant member formed between the connecting member and the second electrode.
    Type: Grant
    Filed: February 16, 2007
    Date of Patent: July 21, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Un-Cheol Sung, Joo-Hyeon Lee, Sang-Pil Lee
  • Publication number: 20090127558
    Abstract: A display device, and method for making the same, comprising a thin film transistor formed on a first insulating substrate, a pixel electrode electrically connected to the thin film transistor, an organic layer formed on the pixel electrode, a common electrode formed on the organic layer, a conductive layer formed on the common electrode, a transparent electrode layer formed on the conductive layer, the transparent electrode being applied with a common voltage, and a second insulating substrate located on the transparent electrode layer. Thus, the present invention provides a display device to which common voltage is applied effectively.
    Type: Application
    Filed: December 30, 2008
    Publication date: May 21, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Un-cheol Sung, Hoon Kim, Sang-pil Lee
  • Publication number: 20090121983
    Abstract: An organic light emitting device according to an exemplary embodiment of the present invention includes a plurality of first, second, and third pixels for displaying different colors, wherein the plurality of first and second pixels are alternately arranged in a first column, the plurality of third pixels are continuously arranged in a second column, and an interval between the third pixels is larger than an interval between the first pixel and the second pixel.
    Type: Application
    Filed: October 13, 2008
    Publication date: May 14, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Un-Cheol SUNG, Beohm-Rock CHOI, Jung-Soo RHEE, Young-Rok SONG, Ji-Hye CHOI
  • Publication number: 20090066236
    Abstract: An organic light-emitting display device includes a thin film transistor on a substrate, a protective layer and a planarization layer covering the thin film transistor, a pixel electrode connected to the thin film transistor, and a wall positioned on at least a portion of the pixel electrode. The planarization layer includes an aperture which exposes a portion of the pixel electrode. An organic layer is formed on the pixel electrode, and a common electrode is formed on the organic layer, An auxiliary electrode layer is formed to overlap the wall on the common electrode.
    Type: Application
    Filed: August 22, 2008
    Publication date: March 12, 2009
    Inventors: Un-Cheol Sung, Jung-Soo Rhee, Ji-Hye Choi
  • Patent number: 7488977
    Abstract: A display device, and method for making the same, comprising a thin film transistor formed on a first insulating substrate, a pixel electrode electrically connected to the thin film transistor, an organic layer formed on the pixel electrode, a common electrode formed on the organic layer, a conductive layer formed on the common electrode, a transparent electrode layer formed on the conductive layer, the transparent electrode being applied with a common voltage, and a second insulating substrate located on the transparent electrode layer. Thus, the present invention provides a display device to which common voltage is applied effectively.
    Type: Grant
    Filed: July 14, 2006
    Date of Patent: February 10, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Un-cheol Sung, Hoon Kim, Sang-pil Lee
  • Publication number: 20090026927
    Abstract: A display device, includes: an insulating substrate; a common electrode which is formed on the insulating substrate; a common voltage applying layer which is formed between the insulating substrate and the common electrode, and comprises an upper surface which faces the common electrode and a side surface of the opposite sides of the upper surface; and an organic insulating layer which is formed between the insulating substrate and the common electrode, and is formed with a contact hole which exposes at least a part of the side surface of the common voltage applying layer, the common electrode electrically connected to a side surface contact portion of the common voltage applying layer which is exposed through the contact hole.
    Type: Application
    Filed: February 13, 2008
    Publication date: January 29, 2009
    Inventors: Beohm-rock Choi, Un-cheol Sung, Jung-soo Rhee, Young-rok Song
  • Publication number: 20080239637
    Abstract: A display device includes a display panel includes an organic light emitting diode (OLED), an encapsulation member covering the display panel, a first sealant disposed between the display panel and the encapsulation member and surrounding the organic light emitting diode, and a second sealant disposed between the first sealant and the organic light emitting diode and surrounding the organic light emitting diode.
    Type: Application
    Filed: October 31, 2007
    Publication date: October 2, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Un-Cheol SUNG, Jung-Yeon KIM
  • Publication number: 20080238302
    Abstract: A display device includes a display panel including an organic light emitting diode, a sealing metal foil covering a side of the display panel on which the organic light emitting diode is disposed, and a sealant between the display panel and the sealing metal foil.
    Type: Application
    Filed: November 28, 2007
    Publication date: October 2, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Un-Cheol SUNG, Sang-Pil LEE, Jung-Yeon KIM
  • Publication number: 20080238311
    Abstract: An organic light emitting display device and a method of fabricating the same are disclosed. One embodiment includes an organic light emitting display device including an anode, an organic light emitting layer, and a cathode on a substrate, an encapsulation member protecting the organic light emitting display device, a first sealant bonding the substrate and the encapsulation member together, and a second sealant formed of a frit glass to adhere to a periphery of the first sealant.
    Type: Application
    Filed: February 29, 2008
    Publication date: October 2, 2008
    Inventors: Un-Cheol SUNG, Jin-Koo Chung
  • Publication number: 20080231175
    Abstract: A display device includes a display panel divided into a display area and a non-display area. An encapsulation member covers the display panel, and a sealant is positioned between the display panel and the encapsulation member. A desiccant member is disposed between the display panel and the encapsulation member. The display panel includes an organic layer formed in the display area and a common electrode covering the organic layer, the common electrode extending in the non-display area. The desiccant member is disposed along a periphery of the common electrode in the non-display area.
    Type: Application
    Filed: December 31, 2007
    Publication date: September 25, 2008
    Inventors: Un-cheol Sung, Jin-koo Chung
  • Publication number: 20080150414
    Abstract: The present invention relates to a shadow mask apparatus and a manufacturing method of an organic electroluminescent display using the same. According to the present invention, there is provided a shadow mask apparatus, including: a shadow mask frame including a first base plate, one or more first position alignment portions formed on a first surface of the first base plate, and one or more first hole patterns formed in the first position alignment portions; and a substrate holder disposed on the shadow mask frame to support the substrate, the substrate holder including a second base plate, one or more second position alignment portions formed on a third surface of the second base plate facing the first surface of the first base plate and formed to be coupled with the first position alignment portions, and one or more second hole patterns formed in the second position alignment portions, and a manufacturing method of an organic electroluminescent display using such a shadow mask apparatus.
    Type: Application
    Filed: August 30, 2007
    Publication date: June 26, 2008
    Inventors: Un Cheol Sung, Chang Mo Park
  • Publication number: 20080150434
    Abstract: A display device includes; an insulating substrate, a thin film transistor disposed on the insulating substrate and which comprises a drain electrode, a wall disposed on the thin film transistor and which includes an opening and a contact hole which exposes the drain electrode, a pixel electrode connected to the drain electrode through the contact hole and which comprises a first part in direct contact with the insulating substrate and a second part connected to the first part, an organic layer disposed on the pixel electrode and which comprises an organic emission layer, and a common electrode disposed on the organic layer
    Type: Application
    Filed: August 22, 2007
    Publication date: June 26, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Un-cheol SUNG, Jin-koo CHUNG, Jung-soo RHEE
  • Publication number: 20080048560
    Abstract: An organic light emitting device includes a plurality of colored pixels, and a white pixel, wherein the respective pixels include; a first electrode, a second electrode which faces the first electrode, and a light emitting member disposed between the first electrode and the second electrode, and the white pixel further includes; a first semi-transparent member disposed on the first electrode to form a microcavity with the second electrode.
    Type: Application
    Filed: August 24, 2007
    Publication date: February 28, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Un-Cheol SUNG, Jung-Soo RHEE, Beohm-Rock CHOI, Jun-Ho CHOI, Jae-Kook HA, Soo-Yeon LEE, Seong-Min KIM
  • Publication number: 20070222368
    Abstract: An exemplary embodiment of a display device includes a substrate, a transistor disposed on the substrate, a passivation layer which substantially covers the transistor, an organic layer disposed on the passivation layer which generates light to an outside, and a light efficiency improving layer including a first inorganic layer and a second inorganic layer which are sequentially disposed between the organic layer and the outside.
    Type: Application
    Filed: March 21, 2007
    Publication date: September 27, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Sang-pil LEE, Un-cheol SUNG, Hoon KIM
  • Publication number: 20070212525
    Abstract: A display device and method thereof which minimizes introduction of oxygen and moisture from the outside includes an insulating substrate, a display part formed on the insulating substrate, a cover substrate combined with the insulating substrate, a filler provided between the insulating substrate and the cover substrate, the filler includes a first region and a second region spaced from the first region and formed at a circumference of the first region, and a moisture absorbent formed in a space between the first region and the second region
    Type: Application
    Filed: March 13, 2007
    Publication date: September 13, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Un-cheol Sung, Hoon Kim, Sang-pil Lee, Sung-soo Lee
  • Publication number: 20070194705
    Abstract: A display includes a substrate, a plurality of first and second signal lines formed on the substrate and insulated from each other, a plurality of driving voltage lines formed with a same layer as the first signal lines, at least one driving voltage connection formed with a same layer as the second signal lines, at least one connecting member electrically connecting the driving voltage lines and the driving voltage connection, at least one first thin film transistor connected to the first and second signal lines, at least one second thin film transistor connected to the first thin film transistor and the driving voltage lines, at least one first electrode connected to the second thin film transistors, at least one second electrode opposing the first electrode, at least one organic light emitting member formed between the first electrode and the second electrode, and at least one assistant member formed between the connecting member and the second electrode.
    Type: Application
    Filed: February 16, 2007
    Publication date: August 23, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Un-Cheol SUNG, Joo-Hyeon LEE, Sang-Pil LEE
  • Publication number: 20070194322
    Abstract: A display apparatus includes; a substrate, a transistor formed on the substrate, a pixel electrode connected to the transistor, a wall surrounding the pixel electrode, the wall including a main wall and a sub wall, the main wall having a first height and the sub wall having a second height less than the first height of the main wall, an organic layer formed on the pixel electrode, a common electrode formed on the organic layer, and an encapsulation substrate coupled to the substrate.
    Type: Application
    Filed: February 20, 2007
    Publication date: August 23, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Un-cheol Sung, Sang-pil Lee, Hoon Kim
  • Publication number: 20070120468
    Abstract: The present invention discloses a display apparatus including: an insulating substrate, a metal film formed on a first surface of the insulating substrate and comprising a magnetic substance, a thin film transistor formed on a second surface of the insulating substrate, a first passivation film formed on the thin film transistor, a pixel electrode electrically connected with the thin film transistor and forming a pixel region, an organic layer formed on the pixel electrode, and a common electrode formed on the organic layer.
    Type: Application
    Filed: November 3, 2006
    Publication date: May 31, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Soo LEE, Jae-Hoon JUNG, Un-Cheol SUNG, Ji-Hye CHOI