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: 20110262625
    Abstract: A thin film deposition apparatus including a chamber; a deposition source accommodated in the chamber and configured to discharge a deposition material; a deposition source nozzle unit located at a side of the deposition source and including a plurality of deposition source nozzles arranged in a first direction; and a patterning slit sheet located opposite the deposition source nozzle unit inside the chamber and including a plurality of patterning slits arranged in a second direction perpendicular to the first direction, the patterning slit sheet being spaced apart from the substrate, and the thin film deposition apparatus being configured to perform a deposition while at least one of the substrate or the thin film deposition apparatus moves relative to the other in the first direction.
    Type: Application
    Filed: July 5, 2011
    Publication date: October 27, 2011
    Inventors: Hyun-Sook PARK, Chang-Mog Jo, Hee-Cheol Kang, Yun-Mi Lee, Un-Cheol Sung, Yong-Sup Choi, Jong-Heon Kim, Jae-Kwang Ryu
  • Patent number: 8044404
    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: Grant
    Filed: February 20, 2007
    Date of Patent: October 25, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Un-cheol Sung, Sang-pil Lee, Hoon Kim
  • Publication number: 20110220922
    Abstract: An organic light emitting display device includes a substrate, a plurality of pixels on the substrate having a first region configured to emit light and a second region configured to transmit external light, a plurality of pixel circuit units, a plurality of first electrodes, a first organic layer on the plurality of first electrodes, a second organic layer on the first organic layer, the second organic layer including an emission layer, a third organic layer on the second organic layer, the third organic layer being positioned in the first region and outside a central portion of the second region, and a second electrode having a first portion only on the third organic layer.
    Type: Application
    Filed: March 8, 2011
    Publication date: September 15, 2011
    Inventors: Jung-Yeon Kim, Mu-Hyun Kim, Beom-Rak Choi, Un-Cheol Sung
  • Publication number: 20110207244
    Abstract: An apparatus for depositing and inspecting an organic light emitting display panel includes a depositor part configured to deposit thin film layers on a panel, the thin film layers including an anode layer, an organic film layer, and a cathode layer, and an inspector part configured to measure spectra of light reflected from the thin film layers, compare the measured spectra to reference spectra, and determine thickness correctness of individual thin film layers.
    Type: Application
    Filed: February 17, 2011
    Publication date: August 25, 2011
    Inventors: Un-Cheol Sung, Beohm-Rock Choi
  • Patent number: 7994708
    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: Grant
    Filed: October 29, 2008
    Date of Patent: August 9, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Beohm-Rock Choi, Sang-Woo Lee, Un-Cheol Sung, Jung-Soo Rhee, Young-Rok Song, Jung-Yeon Kim
  • Patent number: 7994712
    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: Grant
    Filed: December 10, 2008
    Date of Patent: August 9, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Un-Cheol Sung, Ji-Hye Choi, Young-Rok Song, Soo-Yeon Lee
  • Publication number: 20110186820
    Abstract: A thin film deposition apparatus, a method of manufacturing an organic light-emitting display device by using the thin film deposition apparatus, and an organic light-emitting display device manufactured using the method.
    Type: Application
    Filed: January 4, 2011
    Publication date: August 4, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Jung-Yeon KIM, Un-Cheol SUNG
  • Publication number: 20110165327
    Abstract: A thin film deposition apparatus that can be simply applied to produce large-sized display devices on a mass scale and that improves manufacturing yield. The thin film deposition apparatus includes a deposition source that discharges a deposition material; a deposition source nozzle unit disposed at a side of the deposition source and including a plurality of deposition source nozzles arranged in a first direction; and a patterning slit sheet disposed opposite to the deposition source nozzle unit and including a plurality of patterning slits arranged in a second direction that is perpendicular to the first direction. A deposition is performed while the substrate or the thin film deposition apparatus moves relative to each other in the first direction, and the deposition source, the deposition source nozzle unit, and the patterning slit sheet are formed integrally with each other.
    Type: Application
    Filed: December 28, 2010
    Publication date: July 7, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Hyun-Sook PARK, Chang-Mog JO, Hee-Cheol KANG, Yun-Mi LEE, Un-Cheol SUNG, Yong-Sun CHOI, Jong-Heon KIM, Jae-Kwang RYU
  • Patent number: 7952275
    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: Grant
    Filed: December 31, 2007
    Date of Patent: May 31, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Un-cheol Sung, Jin-koo Chung
  • Patent number: 7915820
    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: Grant
    Filed: March 21, 2007
    Date of Patent: March 29, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Pil Lee, Un-cheol Sung, Hoon Kim
  • Patent number: 7888860
    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: Grant
    Filed: August 24, 2007
    Date of Patent: February 15, 2011
    Assignee: 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
  • Patent number: 7884542
    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: Grant
    Filed: August 22, 2007
    Date of Patent: February 8, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Un-cheol Sung, Jin-koo Chung, Jung-soo Rhee
  • Publication number: 20100320895
    Abstract: A display device including a insulating substrate, an organic layer disposed on the insulating substrate, a common electrode disposed on the organic layer and a bead layer including a plurality of beads through which light from the organic layer passes. A method of fabricating a display device, the method including forming an organic film on a insulating substrate, forming a first transparent electrode layer on the organic film and forming a bead layer including a plurality of beads on the first transparent electrode layer.
    Type: Application
    Filed: August 31, 2010
    Publication date: December 23, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-pil LEE, Un-cheol SUNG
  • Publication number: 20100295828
    Abstract: An OLED display for improving white light emitting efficiency and simplifying a manufacturing process includes a plurality of pixels, each of the pixels having a transistor unit, a color filter unit and an organic light emitting device unit. The transistor unit converts signals from the outside into driving signals for driving an organic light emitting device unit. The organic light emitting device unit is composed of blue, red and green emission layers each having different areas. By passing white light through a color filer, the OLED display can realize full color.
    Type: Application
    Filed: August 2, 2010
    Publication date: November 25, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Un-Cheol SUNG, Joo-Hyeon LEE
  • Patent number: 7816861
    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: Grant
    Filed: February 13, 2008
    Date of Patent: October 19, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Beohm-rock Choi, Un-cheol Sung, Jung-soo Rhee, Young-rok Song
  • Patent number: 7800100
    Abstract: A display device including a insulating substrate, an organic layer disposed on the insulating substrate, a common electrode disposed on the organic layer and a bead layer including a plurality of beads through which light from the organic layer passes. A method of fabricating a display device, the method including forming an organic film on a insulating substrate, forming a first transparent electrode layer on the organic film and forming a bead layer including a plurality of beads on the first transparent electrode layer.
    Type: Grant
    Filed: November 1, 2006
    Date of Patent: September 21, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang pil Lee, Un cheol Sung
  • Patent number: 7789724
    Abstract: An OLED display for improving white light emitting efficiency and simplifying a manufacturing process includes a plurality of pixels, each of the pixels having a transistor unit, a color filter unit and an organic light emitting device unit. The transistor unit converts signals from the outside into driving signals for driving an organic light emitting device unit. The organic light emitting device unit is composed of blue, red and green emission layers each having different areas. By passing white light through a color filer, the OLED display can realize full color.
    Type: Grant
    Filed: September 27, 2006
    Date of Patent: September 7, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Un-Cheol Sung, Joo-Hyeon Lee
  • Publication number: 20100133994
    Abstract: An organic light emitting device and a manufacturing method thereof is provided. The organic light emitting device includes a first pixel that displays a first color, a second pixel that displays a second color, and a third pixel that displays a third color. The first pixel, the second pixel and the third pixel together form one pixel. Each of the first pixel, second pixel, and third pixel includes a pixel electrode having a transflective electrode, an organic emission layer on the pixel electrode that displays the first color, a common electrode on the third color organic emission layer, and a transparent supplementary member between the pixel electrode and the common electrode.
    Type: Application
    Filed: July 20, 2009
    Publication date: June 3, 2010
    Inventors: Jung-Bae SONG, Un-Cheol SUNG, Sung-Hun LEE, Beohm-Rock CHOI, Jung-Soo RHEE, Sang-Woo LEE, Ji-Hye CHOI, Jung-Yeon KIM
  • Publication number: 20090322215
    Abstract: The present invention relates to an organic light emitting device, and the organic light emitting device according to an exemplary embodiment of the present invention includes a blue subpixel that is larger than a red subpixel and a green subpixel. The red subpixel and the green subpixel have the same layered structure such that the red subpixel and the green subpixel are formed by using the same shadow mask.
    Type: Application
    Filed: April 1, 2009
    Publication date: December 31, 2009
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Un-Cheol SUNG, Beohm-Rock Choi
  • Publication number: 20090261716
    Abstract: The present invention relates to an organic light emitting device including a first pixel, a second pixel, and a third pixel each displaying a color. Each pixel includes a reflecting member; a transflective member forming a micro-cavity along with the reflecting member; an organic light emitting member disposed between the reflecting member and the transflective member; a transparent electrode disposed between the reflecting member and the transflective member; and a compensation layer disposed between the reflecting member and the transflective member to form a predetermined distance between the reflecting member and the transflective member, wherein the distance between the reflecting member and the transflective member are substantially the same in the first pixel, the second pixel and the third pixel.
    Type: Application
    Filed: January 27, 2009
    Publication date: October 22, 2009
    Inventors: Beohm-Rock CHOI, Un-Cheol Sung, Jung-Soo Rhee, Sang-Woo Lee, Soo-Yeon Lee