Patents by Inventor Seoung-Yoon Ryu

Seoung-Yoon Ryu 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: 8698395
    Abstract: An organic light emitting diode (OLED) display and a method for fabricating the same. The OLED display includes: a substrate; a first electrode formed on the substrate and including a reflecting layer; an organic layer formed on the first electrode and including at least an organic emission layer; a second electrode formed on the organic layer; and an organic capping layer formed on the second electrode. The organic capping layer is formed by stacking an organic material having a refractive index of 1.7 or more, thereby providing a high-efficiency and long-life top-emitting OLED display.
    Type: Grant
    Filed: November 28, 2005
    Date of Patent: April 15, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ja-Hyun Im, Kwan-Hee Lee, Seoung-Yoon Ryu
  • Publication number: 20140007933
    Abstract: Disclosed are a thin film solar cell and a method of manufacturing the thin film solar cell. The thin film solar cell according to an exemplary embodiment of the present invention thin film solar cell includes a substrate: a front electrode layer formed on the substrate; an oxide layer formed on the front electrode layer: a light absorbing layer (intrinsic layer) formed on the oxide layer; and a back electrode layer formed on the light absorbing layer, wherein the oxide layer is formed of a material selected from MoO2, WO2, V2O5, NiO and CrO3.
    Type: Application
    Filed: August 10, 2012
    Publication date: January 9, 2014
    Applicant: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Seoung Yoon RYU, Dong Ho KIM, Kee Seok NAM, Yong Soo JEONG, Jung Dae KWON, Sung Hun LEE, Jung Heum YUN, Gun Hwan LEE, Hyung Hwan JUNG, Sung Gyu PARK, Chang Su KIM, Jae Wook KANG, Keong Su LIM, Sang II PARK
  • Publication number: 20140011314
    Abstract: Disclosed are a thin film solar cell and a method of manufacturing the thin film solar cell. The thin film solar cell according to an exemplary embodiment of the present invention thin film solar cell includes a substrate: a front electrode layer formed on the substrate; an oxide layer formed on the front electrode layer: a light absorbing layer (intrinsic layer) formed on the oxide layer; and a back electrode layer formed on the light absorbing layer, wherein the oxide layer is formed of a material selected from MoO3, WO3, V2O5, NiO and CrO3.
    Type: Application
    Filed: August 9, 2013
    Publication date: January 9, 2014
    Applicant: Korea Institute of Machinery & Materials
    Inventors: Seoung Yoon Ryu, Dong Ho Kim, Kee Seok Nam, Yong Soo Jeong, Jung Dae Kwon, Sung Hun Lee, Jung Heum Yun, Gun Hwan Lee, Hyung Hwan Jung, Sung Gyu Park, Chang Su Kim, Jae Wook Kang, Koeng Su Lim, Sang Il Park
  • Patent number: 8096847
    Abstract: An organic light emitting device is disclosed. In one embodiment, the organic light emitting device includes red (R), green (G) and blue (B) lower electrodes formed on a substrate. R, G, B organic thin film layers are formed on the R, G, B lower electrodes, respectively. Additionally, an upper single or multilayer electrode is formed over the substrate. Portions of the upper electrode that correspond to the R, G, B organic thin film layers, respectively, are formed to each have a different thickness. Various methods for forming the upper electrode using a fine metal mask, a halftone mask, and single and multiple photolithography processes are also disclosed.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: January 17, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Seoung-Yoon Ryu, Seung-Yong Song
  • Patent number: 8039120
    Abstract: An organic electroluminescence device, and a method of manufacturing the same, where the device includes a substrate, a first electrode formed on the substrate, an organic layer formed on the first electrode and including at least an organic light-emitting layer, and a second electrode formed on the organic layer. The second electrode is made of an Mg—Ag layer having a thickness in a range of 170 ? to 200 ?.
    Type: Grant
    Filed: February 28, 2006
    Date of Patent: October 18, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Seoung-Yoon Ryu, Kwan-Hee Lee, Ja-Hyun Im, Jang-Hyuk Kwon
  • Patent number: 7922820
    Abstract: A heating crucible and a deposition apparatus are provided that have a uniform deposition rate and good reproducibility. The heating crucible of the deposition apparatus includes a titanium body with an internal cavity to contain a material to be deposited and an opening to emit the material to be deposited, a wire to heat the body, and an insulator to insulate the body from the wire.
    Type: Grant
    Filed: November 4, 2005
    Date of Patent: April 12, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Seoung-Yoon Ryu, Kyong-Tac Yu, Sung-Rag Ma
  • Publication number: 20110003406
    Abstract: An organic light emitting device is disclosed. In one embodiment, the organic light emitting device includes red (R), green (G) and blue (B) lower electrodes formed on a substrate. R, G, B organic thin film layers are formed on the R, G, B lower electrodes, respectively. Additionally, an upper single or multilayer electrode is formed over the substrate. Portions of the upper electrode that correspond to the R, G, B organic thin film layers, respectively, are formed to each have a different thickness. Various methods for forming the upper electrode using a fine metal mask, a halftone mask, and single and multiple photolithography processes are also disclosed.
    Type: Application
    Filed: September 15, 2010
    Publication date: January 6, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Seoung-Yoon RYU, Seung-Yong SONG
  • Patent number: 7819975
    Abstract: A deposition method and apparatus provide a uniform deposition rate and good reproducibility in a process used to deposit a material onto a substrate. The deposition method includes preparing a substrate on which a thin film is deposited, preparing a line source that includes a plurality of heating crucibles are disposed in line, and rotating the line source while depositing the deposition material on the substrate.
    Type: Grant
    Filed: November 4, 2005
    Date of Patent: October 26, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventor: Seoung-Yoon Ryu
  • Patent number: 7816857
    Abstract: An organic light emitting device is disclosed. In one embodiment, the organic light emitting device includes red (R), green (G) and blue (B) lower electrodes formed on a substrate. R, G, B organic thin film layers are formed on the R, G, B lower electrodes, respectively. Additionally, an upper single or multilayer electrode is formed over the substrate. Portions of the upper electrode that correspond to the R, G, B organic thin film layers, respectively, are formed to each have a different thickness. Various methods for forming the upper electrode using a fine metal mask, a halftone mask, and single and multiple photolithography processes are also disclosed.
    Type: Grant
    Filed: July 22, 2004
    Date of Patent: October 19, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Seoung-Yoon Ryu, Seung-Yong Song
  • Patent number: 7741640
    Abstract: An organic light-emitting display device and a method of fabricating the device are disclosed. The organic light-emitting display device includes a thin-film transistor positioned on a substrate that has a semiconductor layer, a gate electrode, and source and drain electrodes. A first electrode is positioned, which is connected to either the source electrode or drain electrode. A reflective layer, which is spaced apart from the source electrode or drain electrode, is positioned below the first electrode. An organic functional layer having at least an emission layer is positioned on the first electrode. A second electrode is positioned on the organic functional layer. The first electrode, the reflective layer, the organic functional layer, and the second electrode constitute an organic light-emitting diode.
    Type: Grant
    Filed: March 10, 2005
    Date of Patent: June 22, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Chang-Su Seo, Moon-Hee Park, Tae-Wook Kang, Seoung-Yoon Ryu, Kwan-Hee Lee
  • Patent number: 7667388
    Abstract: The present invention discloses organic electroluminescent display device and a method for fabricating the same, which includes: a first hole transporting layer formed in the first, second, and third pixel regions; a second hole transporting layer formed on a portion of the first hole transporting layer in the second and third pixel regions; a third hole transporting layer formed on a portion of the second hole transporting layer in the third pixel region. Light emitting layers are formed on each of the first, second, and third hole transporting layers. The thickness of the second hole transporting layer is approximately one-third (?) to two-thirds (?) of an optical wavelength difference between the first and second pixel regions, and the thickness of the third hole transporting layer is approximately one-third (?) to two-thirds (?) of an optical wavelength difference between the second and third pixel regions.
    Type: Grant
    Filed: June 4, 2008
    Date of Patent: February 23, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventor: Seoung-Yoon Ryu
  • Patent number: 7659543
    Abstract: An organic light emitting display including a pixel electrode arranged on a substrate, an organic layer arranged on the pixel electrode and including at least a hole injection layer, a hole acceleration layer, a hole transport layer, and an emission layer, and an opposite electrode arranged on the organic layer. The hole acceleration layer is formed of a material having a hole mobility that is higher than that of the hole injection layer.
    Type: Grant
    Filed: November 16, 2005
    Date of Patent: February 9, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Seoung-Yoon Ryu, Ja-Hyun Im, Kwan-Hee Lee
  • Patent number: 7541735
    Abstract: An organic electroluminescent device, including a substrate, a first electrode layer formed on the substrate, and a second electrode layer formed on the first electrode layer. An organic layer, having a light-emitting layer, is interposed between the first electrode layer and the second electrode layer, and a transparent layer is formed on the second electrode layer. Damage to the organic layer may be prevented while maintaining a transmittance of the second electrode layer.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: June 2, 2009
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Jin-Woo Park, Seoung-Yoon Ryu, Hun Kim, Yasuhiro Chiba
  • Patent number: 7514862
    Abstract: An organic light emitting display and a method of fabricating the same are provided. The organic light emitting display includes a pixel electrode, an organic layer including at least an emission layer, and an opposite electrode. An electron injection layer interposed between the emission layer and the opposite layer may be formed of an optimal thickness of NaF layer to reduce the thickness of the electron injection layer.
    Type: Grant
    Filed: November 1, 2005
    Date of Patent: April 7, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Seoung-Yoon Ryu
  • Patent number: 7470933
    Abstract: An organic light emitting display device may include: a substrate having first, second and third pixel regions. A first electrode layer may be formed in each of the first, second and third pixel regions on the substrate. A hole injection layer may be formed over an entire surface of the substrate on the first electrode layers. A first hole transport layer may be formed on the first electrode layers in the first, second and third pixel region. A second hole transport layer may be formed on the first hole transport layer in any two adjacent pixel regions among the first, second and third pixel regions. A third hole transport layer may be formed on the second hole transport layer in any one of the two adjacent pixel region. A first, second and third organic emission layers may be formed on the first, second and third hole transport layer. A second electrode layer may be formed on the first, second and third organic emission layers.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: December 30, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kwan-Hee Lee, Jang-Hyuk Kwon, Seoung-Yoon Ryu
  • Publication number: 20080252206
    Abstract: The present invention discloses organic electroluminescent display device and a method for fabricating the same, which includes: a first hole transporting layer formed in the first, second, and third pixel regions; a second hole transporting layer formed on a portion of the first hole transporting layer in the second and third pixel regions; a third hole transporting layer formed on a portion of the second hole transporting layer in the third pixel region. Light emitting layers are formed on each of the first, second, and third hole transporting layers. The thickness of the second hole transporting layer is approximately one-third (?) to two-thirds (?) of an optical wavelength difference between the first and second pixel regions, and the thickness of the third hole transporting layer is approximately one-third (?) to two-thirds (?) of an optical wavelength difference between the second and third pixel regions.
    Type: Application
    Filed: June 4, 2008
    Publication date: October 16, 2008
    Applicant: SAMSUNG SDI CO., LTD.
    Inventor: Seoung-Yoon RYU
  • Patent number: 7431626
    Abstract: An organic electroluminescent display has: anode electrodes of R, G and B unit pixels formed separate from each other on a substrate; organic thin-film layers of the R, G and B unit pixels formed on the anode electrodes; and a cathode electrode formed over an entire surface of the substrate. The anode electrode of at least one unit pixel, among the R, G and B unit pixels, has a thickness different from anode electrodes of the other unit pixels. The anode electrode of each of the unit pixels comprises a first film having a high reflectivity and a second film for adjusting a work function. The second film of at least one unit pixel, among the unit pixels, has a thickness different from the second films of the other unit pixels. The second film of the R unit pixel is thicker than the second films of the other unit pixels.
    Type: Grant
    Filed: February 4, 2004
    Date of Patent: October 7, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kwan-Hee Lee, Seoung-Yoon Ryu, Hun-Jung Lee, Sang-Il Park, Jae-Bon Koo
  • Patent number: 7400088
    Abstract: The present invention discloses organic electroluminescent display device and a method for fabricating the same, which includes: a first hole transporting layer formed in the first, second, and third pixel regions; a second hole transporting layer formed on a portion of the first hole transporting layer in the second and third pixel regions; a third hole transporting layer formed on a portion of the second hole transporting layer in the third pixel region. Light emitting layers are formed on each of the first, second, and third hole transporting layers. The thickness of the second hole transporting layer is approximately one-third (?) to two-thirds (?) of an optical wavelength difference between the first and second pixel regions, and the thickness of the third hole transporting layer is approximately one-third (?) to two-thirds (?) of an optical wavelength difference between the second and third pixel regions.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: July 15, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Seoung-Yoon Ryu
  • Patent number: 7365488
    Abstract: An organic electroluminescent display comprises: anode electrodes of R, G and B unit pixels formed separate from each other on a substrate; organic thin-film layers of the R, G and B unit pixels formed on the anode electrodes; and a cathode electrode formed over an entire surface of the substrate. The anode electrode of at least one unit pixel, among the R, G and B unit pixels, has a thickness different from anode electrodes of the other unit pixels. The anode electrode of each of the unit pixels comprises a first film having a high reflectivity and a second film for adjusting a work function. The second film of at least one unit pixel, among the unit pixels, has a thickness different from the second films of the other unit pixels. The second film of the R unit pixel is thicker than the second films of the other unit pixels.
    Type: Grant
    Filed: July 13, 2006
    Date of Patent: April 29, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kwan-Hee Lee, Seoung-Yoon Ryu, Hun-Jung Lee, Sang-Il Park, Jae-Bon Koo
  • Patent number: 7339182
    Abstract: A vacuum evaporator including a vacuum chamber and a source arranged in the vacuum chamber to supply a deposition material to a substrate on which a layer is formed. A crystal sensor measures a deposition speed of the deposition material. The crystal sensor includes an insert having a hole, and the insert is arranged in front of the crystal sensor.
    Type: Grant
    Filed: January 5, 2006
    Date of Patent: March 4, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seoung-Yoon Ryu, Kyong-Tae Yu