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: 8698395Abstract: 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: GrantFiled: November 28, 2005Date of Patent: April 15, 2014Assignee: Samsung Display Co., Ltd.Inventors: Ja-Hyun Im, Kwan-Hee Lee, Seoung-Yoon Ryu
-
Publication number: 20140011314Abstract: 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: ApplicationFiled: August 9, 2013Publication date: January 9, 2014Applicant: Korea Institute of Machinery & MaterialsInventors: 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
-
Publication number: 20140007933Abstract: 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: ApplicationFiled: August 10, 2012Publication date: January 9, 2014Applicant: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: 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
-
Patent number: 8096847Abstract: 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: GrantFiled: September 15, 2010Date of Patent: January 17, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Seoung-Yoon Ryu, Seung-Yong Song
-
Patent number: 8039120Abstract: 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: GrantFiled: February 28, 2006Date of Patent: October 18, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Seoung-Yoon Ryu, Kwan-Hee Lee, Ja-Hyun Im, Jang-Hyuk Kwon
-
Patent number: 7922820Abstract: 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: GrantFiled: November 4, 2005Date of Patent: April 12, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Seoung-Yoon Ryu, Kyong-Tac Yu, Sung-Rag Ma
-
Publication number: 20110003406Abstract: 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: ApplicationFiled: September 15, 2010Publication date: January 6, 2011Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Seoung-Yoon RYU, Seung-Yong SONG
-
Patent number: 7819975Abstract: 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: GrantFiled: November 4, 2005Date of Patent: October 26, 2010Assignee: Samsung Mobile Display Co., Ltd.Inventor: Seoung-Yoon Ryu
-
Patent number: 7816857Abstract: 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: GrantFiled: July 22, 2004Date of Patent: October 19, 2010Assignee: Samsung Mobile Display Co., Ltd.Inventors: Seoung-Yoon Ryu, Seung-Yong Song
-
Patent number: 7741640Abstract: 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: GrantFiled: March 10, 2005Date of Patent: June 22, 2010Assignee: Samsung Mobile Display Co., Ltd.Inventors: Chang-Su Seo, Moon-Hee Park, Tae-Wook Kang, Seoung-Yoon Ryu, Kwan-Hee Lee
-
Patent number: 7667388Abstract: 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: GrantFiled: June 4, 2008Date of Patent: February 23, 2010Assignee: Samsung Mobile Display Co., Ltd.Inventor: Seoung-Yoon Ryu
-
Patent number: 7659543Abstract: 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: GrantFiled: November 16, 2005Date of Patent: February 9, 2010Assignee: Samsung Mobile Display Co., Ltd.Inventors: Seoung-Yoon Ryu, Ja-Hyun Im, Kwan-Hee Lee
-
Patent number: 7541735Abstract: 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: GrantFiled: November 19, 2004Date of Patent: June 2, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventors: Jin-Woo Park, Seoung-Yoon Ryu, Hun Kim, Yasuhiro Chiba
-
Patent number: 7514862Abstract: 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: GrantFiled: November 1, 2005Date of Patent: April 7, 2009Assignee: Samsung SDI Co., Ltd.Inventor: Seoung-Yoon Ryu
-
Patent number: 7470933Abstract: 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: GrantFiled: June 10, 2005Date of Patent: December 30, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Kwan-Hee Lee, Jang-Hyuk Kwon, Seoung-Yoon Ryu
-
Publication number: 20080252206Abstract: 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: ApplicationFiled: June 4, 2008Publication date: October 16, 2008Applicant: SAMSUNG SDI CO., LTD.Inventor: Seoung-Yoon RYU
-
Patent number: 7431626Abstract: 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: GrantFiled: February 4, 2004Date of Patent: October 7, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Kwan-Hee Lee, Seoung-Yoon Ryu, Hun-Jung Lee, Sang-Il Park, Jae-Bon Koo
-
Patent number: 7400088Abstract: 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: GrantFiled: July 21, 2005Date of Patent: July 15, 2008Assignee: Samsung SDI Co., Ltd.Inventor: Seoung-Yoon Ryu
-
Patent number: 7365488Abstract: 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: GrantFiled: July 13, 2006Date of Patent: April 29, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Kwan-Hee Lee, Seoung-Yoon Ryu, Hun-Jung Lee, Sang-Il Park, Jae-Bon Koo
-
Patent number: 7339182Abstract: 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: GrantFiled: January 5, 2006Date of Patent: March 4, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Seoung-Yoon Ryu, Kyong-Tae Yu