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).

  • Patent number: 8882556
    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: Grant
    Filed: January 4, 2011
    Date of Patent: November 11, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung-Yeon Kim, Un-Cheol Sung
  • Patent number: 8846547
    Abstract: A thin film deposition apparatus that is suitable for manufacturing large-sized display devices on a mass scale and that can be used for high-definition patterning, 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 by using the method.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: September 30, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Un-Cheol Sung, Dong-Seob Jeong, Jung-Yeon Kim
  • Patent number: 8796702
    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: Grant
    Filed: March 14, 2012
    Date of Patent: August 5, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung-Yeon Kim, Mu-Hyun Kim, Beom-Rak Choi, Un-Cheol Sung
  • Publication number: 20140014917
    Abstract: An organic layer deposition apparatus, a method of manufacturing an organic light-emitting display device by using the same, and an organic light-emitting display device manufactured using the method, and in particular, an organic layer deposition apparatus that is suitable for use in the mass production of a large substrate and enables high-definition patterning, a method of manufacturing an organic light-emitting display device by using the same, and an organic light-emitting display device manufactured using the method.
    Type: Application
    Filed: March 6, 2013
    Publication date: January 16, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Su-Hwan Lee, Un-Cheol Sung
  • Publication number: 20140014929
    Abstract: An organic layer deposition apparatus, a method of manufacturing an organic light-emitting display apparatus by using the same, and an organic light-emitting display apparatus manufactured using the method. The organic layer deposition apparatus includes a conveyer unit including first and second conveyer units, loading and unloading units, and a deposition unit. A transfer unit moves between the first and second conveyer units, and the substrate attached to the transfer unit is spaced from a plurality of organic layer deposition assemblies of the deposition unit while being transferred by the first conveyer unit. The organic layer deposition assemblies include common layer deposition assemblies and pattern layer deposition assemblies.
    Type: Application
    Filed: July 9, 2013
    Publication date: January 16, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Su-Hwan Lee, Un-Cheol Sung, Chae-Woong Kim, Young-Mook Choi
  • Patent number: 8628982
    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: Grant
    Filed: February 17, 2011
    Date of Patent: January 14, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Un-Cheol Sung, Beohm-Rock Choi
  • Patent number: 8427047
    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: Grant
    Filed: January 27, 2009
    Date of Patent: April 23, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Beohm-Rock Choi, Un-Cheol Sung, Jung-Soo Rhee, Sang-Woo Lee, Soo-Yeon Lee
  • Patent number: 8410683
    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: Grant
    Filed: July 20, 2009
    Date of Patent: April 2, 2013
    Assignee: Samsung Display Co., Ltd.
    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: 20130032829
    Abstract: An organic layer deposition apparatus, and a method of manufacturing an organic light-emitting display device by using the organic layer deposition apparatus. Here, the organic layer deposition apparatus includes a deposition source assembly. The deposition source assembly includes a first deposition source for discharging a deposition material, a second deposition material stacked on the first deposition source and discharging a different deposition material than the deposition material discharged from the first deposition source, a second deposition source nozzle unit disposed at a side of the second deposition source to face a deposition target and including a plurality of second deposition source nozzles, and a first deposition source nozzle unit disposed at the side of the second deposition source to face the deposition target and including a plurality of first deposition source nozzles formed to pass through the second deposition source.
    Type: Application
    Filed: June 1, 2012
    Publication date: February 7, 2013
    Inventors: Un-Cheol Sung, Mu-Hyun Kim
  • Patent number: 8330352
    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: Grant
    Filed: October 13, 2008
    Date of Patent: December 11, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Un-Cheol Sung, Beohm-Rock Choi, Jung-Soo Rhee, Young-Rok Song, Ji-Hye Choi
  • Publication number: 20120295508
    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: July 24, 2012
    Publication date: November 22, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Un-Cheol SUNG, Beohm-Rock CHOI
  • Patent number: 8253323
    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: Grant
    Filed: April 1, 2009
    Date of Patent: August 28, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Un-Cheol Sung, Beohm-Rock Choi
  • Patent number: 8237351
    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: Grant
    Filed: August 22, 2008
    Date of Patent: August 7, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Un-Cheol Sung, Jung-Soo Rhee, Ji-Hye Choi
  • Publication number: 20120168783
    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 14, 2012
    Publication date: July 5, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jung-Yeon KIM, Mu-Hyun Kim, Beom-Rak Choi, Un-Cheol Sung
  • Patent number: 8193017
    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: Grant
    Filed: March 8, 2011
    Date of Patent: June 5, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Jung-Yeon Kim, Mu-Hyun Kim, Beom-Rak Choi, Un-Cheol Sung
  • Publication number: 20120068199
    Abstract: A thin film deposition apparatus that is suitable for manufacturing large-sized display devices on a mass scale and that can be used for high-definition patterning, 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 by using the method.
    Type: Application
    Filed: July 1, 2011
    Publication date: March 22, 2012
    Inventors: Un-Cheol Sung, Dong-Seob Jeong, Jung-Yeon Kim
  • Publication number: 20120068201
    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 by using the method. A thin film deposition apparatus for forming a thin film on a substrate includes a first chamber in a vacuum state; first and second stages arranged in parallel in the first chamber wherein the substrate is fixable to at least one of the first and second stages; a mask contactable with the substrate; and a first deposition source and a second deposition source that are movable relative to the first and second stages and are configured to discharge a deposition material onto the substrate.
    Type: Application
    Filed: August 26, 2011
    Publication date: March 22, 2012
    Inventors: Un-Cheol Sung, Beom Rak Choi
  • Patent number: 8125142
    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: August 2, 2010
    Date of Patent: February 28, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Un-Cheol Sung, Joo-Hyeon Lee
  • Publication number: 20120006259
    Abstract: A tension apparatus for extending a patterning slit sheet included in 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 tension apparatus, wherein a plurality of patterning slits are formed along a first direction in the patterning slit sheet, and distances between adjacent patterning slits are different from each other, includes: a light source disposed to face the patterning slit sheet and irradiating light toward the patterning slit sheet; a tension member combined to at least one end of the patterning slit sheet, and applying a predetermined tensile force on the patterning slit sheet; and a master glass onto which light irradiated from the light source and passed through the patterning slit sheet is projected.
    Type: Application
    Filed: January 4, 2011
    Publication date: January 12, 2012
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Un-Cheol SUNG, Mu-Hyun KIM, Dong-Seob JEONG, Jung-Yeon KIM
  • Patent number: 8049217
    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: December 30, 2008
    Date of Patent: November 1, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Un-cheol Sung, Hoon Kim, Sang-pil Lee