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Osamu Onitsuka, Akira Ebisawa, Mitsunari Suzuki, Hiroshi Yamamoto, Michio Arai: Organic electroluminescent display device, and method and system for making the same. TDK Corporation, Oblon Spivak McClelland Maier & Neustadt P C, April 11, 2000: US06049167 (142 worldwide citation)

In an organic EL display device, an organic EL multilayer structure is disposed in a gastight space defined between a substrate and a shield member and filled with an inert gas. The organic EL multilayer structure includes organic materials having a Tg of at most 140.degree. C. The shield member is ...


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Hiroshi Tanabe, Hiroshi Yamamoto, Kengo Fukuyu, Osamu Onitsuka: System and process for fabricating an organic electroluminescent display device. TDK Corporation, Oblon Spivak McClelland Maier & Neustadt P C, October 17, 2000: US06132280 (110 worldwide citation)

The invention provides an organic EL display device fabrication system comprising a loading side normal-pressure delivery chamber 11 including a first substrate delivery means 61 for delivering a substrate with no film formed thereon, and a loading chamber 21 connected thereto for introducing the su ...


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Osamu Onitsuka, Tetsushi Inoue, Akira Ebisawa, Mutsuko Nakano: Color conversion material, and organic electroluminescent color display using the same. TDK Corporation, Oblon Spivak McLelland Maier & Neustadt P C, February 8, 2000: US06023371 (94 worldwide citation)

A color conversion material comprises a high-molecular material having a light transmittance of at least 90% in a visible light region, a fluorescent dye contained therein, and a fluorescent pigment particle dispersed therein. The wavelength of unconverted light incident on the color conversion mate ...


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Akira Ebisawa, Osamu Onitsuka, Hiroyuki Endo, Masayuki Kawashima, Toshio Hayakawa: Organic EL display assembly. TDK Corporation, Oblon Spivak McClelland Maier & Neustadt P C, September 4, 2001: US06284342 (69 worldwide citation)

An organic EL structure is received in a gas-tight casing to construct an organic EL display assembly. The organic EL structure includes a hole injecting electrode, an electron injecting electrode, and at least one organic layer disposed between the electrodes. A desiccant selected from calcium hydr ...


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Kouji Yasukawa, Hiroyuki Endo, Hideo Kato, Junichi Shimamura, Osamu Onitsuka, Akira Ebisawa: Organic electroluminescent device. TDK Corporation, Oblon Spivak McClelland Maier & Neustadt P C, July 31, 2001: US06268071 (59 worldwide citation)

An organic EL device comprises a substrate, an organic EL structure stacked on the substrate, a sealing plate located on the organic EL structure with a predetermined space therebetween, and a sealing adhesive agent for fixing the sealing plate on the substrate and thereby closing up the organic EL ...


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Mitsufumi Codama, Tetsushi Inoue, Kenji Nakaya, Osamu Onitsuka, Michio Arai: Organic electroluminescent color display having color transmitting layers and fluorescence converting layer with improved structure for color conversion efficiency on a color transmitting layer. TDK Corporation, Oblon Spivak McClelland Maier & Neustadt P C, September 19, 2000: US06121726 (43 worldwide citation)

An organic EL color display which can give off color light without recourse to a plurality of light emitting layers and be fabricated at low cost is built up of an organic EL color display comprising an organic EL light emitting device for emitting bluish green light, a blue transmitting layer, a gr ...


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Michio Arai, Osamu Onitsuka: Organic electroluminescent device having a conjugated polymer and an inorganic insulative electron injecting and transporting layer. TDK Corporation, Oblon Spivak McCelland Maier & Neustadt P C, June 11, 2002: US06404126 (22 worldwide citation)

An organic electroluminescent device having high efficiency, a long life time, and low cost, includes a substrate, a hole injecting electrode and an electron injecting electrode formed on the substrate, an organic material-containing organic layer between the electrodes, and an inorganic insulative ...


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Mitsufumi Codama, Osamu Onitsuka: Organic electroluminescent display with filter layer. TDK Corporation, Oblon Spivak McClelland Maier & Neustadt P C, September 5, 2000: US06114805 (19 worldwide citation)

An organic electroluminescent display includes a substrate (1), and, in order from the substrate, a hole injection electrode, at least one organic layer, an electron injecting electrode, and a sealing plate, and wherein the substrate further includes thereon an element-isolating structure (7,8) for ...