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Iwasaki Tatsuya, Kumomi Hideya: Field effect transistor using oxide film for channel, and manufacturing method thereof. Canon, September 27, 2007: JP2007-250983 (254 worldwide citation)

PROBLEM TO BE SOLVED: To solve the problem that Id-Vg characteristic sometimes varies in a thin-film transistor using oxides including an amorphous In-Ga-Zn-O system.SOLUTION: A field effect transistor having an oxide film as a semiconductor layer 11 has a source and a drain to which hydrogen or hea ...


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Sugita Shuichi, Tanaka Tatsuo: (Ja) 有機エレクトロルミネッセンス素子、表示装置及び照明装置, (En) Organic electroluminescent device, display and illuminating device. Konica Minolta Holdings, Sugita Shuichi, Tanaka Tatsuo, November 2, 2006: WO/2006/114966 (251 worldwide citation)

(EN) Disclosed is an organic electroluminescent device having high emission luminance, high external quantum efficiency and long life. Also disclosed are a display and an illuminating device. The organic electroluminescent device is characterized in that it comprises a constituent layer including at ...


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Sugita Shuichi: Organic electroluminescence device, display device and lighting device. Konica Minolta Holdings, May 17, 2007: JP2007-123392 (238 worldwide citation)

PROBLEM TO BE SOLVED: To provide an organic electroluminescence device which is high in light emission luminance and quantum efficiency and has long service life.SOLUTION: A light-emitting layer, containing at least a phosphorescent compound represented by general Formula (1), is provided in between ...


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Raymond Kwong, Michael S Weaver, Bin Ma, Jui Yi Tsai, Michael Barone, David B Knowles: Organic light emitting devices having reduced pixel shrinkage. Universal Display Corporation, August 8, 2006: US07087321 (229 worldwide citation)

The present invention relates to organic light emitting devices (OLEDs), and more specifically to efficient OLEDs comprising an array of pixels and having reduced pixel shrinkage. The devices of the present invention comprise further relates to materials for use as emissive materials which give redu ...


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Komori Masaki, Yamamoto Toshihiro, Kai Takahiro, Sawada Yuichi: Compound of light-emitting layer and organic electroluminescent device. Nippon Steel Chem, October 4, 2007: JP2007-254297 (228 worldwide citation)

PROBLEM TO BE SOLVED: To provide an organic EL (electroluminescent) device improving the emission efficiency of the device, sufficiently ensuring driving stability and having simple constitution.SOLUTION: The organic EL device has a light-emitting layer between an anode and a cathode laminated onto ...


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Nishizeki Masato, Oshiyama Tomohiro: (Ja) 有機エレクトロルミネッセンス素子材料、有機エレクトロルミネッセンス素子、表示装置及び照明装置, (En) Organic electroluminescent device material, organic electroluminescent device, display and illuminating device. Konica Minolta Holdings, Nishizeki Masato, Oshiyama Tomohiro, October 5, 2006: WO/2006/103874 (227 worldwide citation)

(EN) Disclosed is an organic electroluminescent device material exhibiting high luminous efficiency while having long emission life. Also disclosed are an organic electroluminescent device using such an organic electroluminescent device material, and an illuminating device and display employing such ...


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Yamamoto Toshihiro, Kai Takahiro, Komori Masaki, Miyazaki Hiroshi: (Ja) 有機金属錯体及びこれを用いた有機電界発光素子, (En) Organic metal complex and organic electroluminescent device using same. Nippon Steel Chemical, Yamamoto Toshihiro, Kai Takahiro, Komori Masaki, Miyazaki Hiroshi, NARUSE Katsuo, December 14, 2006: WO/2006/132173 (222 worldwide citation)

(EN) Disclosed is an organic electroluminescent device (organic EL device) having an improved luminous efficiency, an adequate driving stability and a simple structure. Also disclosed is an organic metal complex suitable for such an organic electroluminescent device. Specifically disclosed is an org ...


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Miyashita Satoru, Kiguchi Hiroshi, Shimoda Tatsuya, Kanbe Sadao: Method of producing organic el elements, organic el elements and organic el display device. Seiko Epson, November 25, 1998: EP0880303-A1 (215 worldwide citation)

A method of manufacturing an organic EL element according to the present invention comprises the steps of forming pixel electrodes (801), (802), (803) on a transparent substrate (804) and forming on the pixel electrodes by patterning luminescent layers (806), (807), (808) made of an organic compound ...


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Iwakuma Toshihiro, Matsuura Masahide, Nakano Yuki, Ikeda Hidetsugu: Material for organic electroluminescence element, and organic electroluminescence element using the material. Idemitsu Kosan Co, March 11, 2009: EP2034538-A1 (212 worldwide citation)

An organic electroluminescence device comprising a compound having a specific structure having a heteroatom and an organic electroluminescence device which comprises a cathode, an anode and an organic thin film layer which comprises at least one layer comprising at least a light emitting layer and i ...


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