Masato Fujita, Kenichi Fukuoka: Method of encapsulating organic electroluminescence device and organic electroluminescence device. Idemitsu Kosan, Frishauf Holtz Goodman Langer & Chick P C, October 5, 1999: US05962962 (239 worldwide citation)

A method of encapsulation for an organic EL device, which overcomes the difficulty of conventional methods by fully preventing the growth of dark spots in the organic EL device by providing an inert liquid layer having a dissolved oxygen concentration of 1 ppm or less on the periphery of the organic ...

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 (219 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 ...

Mitsuru Eida, Masahide Matsuura, Hiroshi Tokailin: Multi-color light emission apparatus with organic electroluminescent device. Idemitsu Kosan, Oblon Spivak McClelland Maier & Neustadt P C, June 1, 1999: US05909081 (163 worldwide citation)

This invention provides a multi-color light emission apparatus wherein a transparent inorganic oxide substrate (4) is disposed between an organic EL device (1) and a fluorescent layer (3) in such a manner as to arrange the fluorescent layer (3) with a gap with the organic EL device (1), and the orga ...

Shosaku Tanaka, Chishio Hosakawa: Organic EL light emitting element with light emitting layers and intermediate conductive layer. Idemitsu Kosan, Parkhurst & Wendel L, August 22, 2000: US06107734 (161 worldwide citation)

An organic EL light emitting element and a light emitting device capable of realizing inexpensively a display which a scanning line current is suppressed and which is large size and high-resolution is provided. The organic EL light emitting element 6 is constituted from a transparent electrode 2; an ...

Yano Koki, Inoue Kazuyoshi, Tomai Shigekazu, Kasami Masashi: Thin film transistor. Idemitsu Kosan, Yano Koki, Inoue Kazuyoshi, Tomai Shigekazu, Kasami Masashi, WATANABE Kihei, March 19, 2009: WO/2009/034953 (153 worldwide citation)

Disclosed is a thin film transistor comprising an oxide semiconductor film wherein a crystalline layer and an amorphous layer are arranged in layers.

Koki Yano, Kazuyoshi Inoue, Nobuo Tanaka, Tokie Tanaka legal representative: Semiconductor thin film, method for manufacturing the same, thin film transistor, and active-matrix-driven display panel. Idemitsu Kosan, Millen White Zelano & Branigan P C, August 16, 2011: US07998372 (132 worldwide citation)

Disclosed is a semiconductor thin film which can be formed at a relatively low temperature even on a flexible resin substrate. Since the semiconductor thin film is stable to visible light and has high device characteristics such as transistor characteristics, in the case where the semiconductor thin ...

Koki Yano, Hirokazu Kawashima, Kazuyoshi Inoue, Shigekazu Tomai, Masashi Kasami: Field effect transistor using oxide semicondutor and method for manufacturing the same. Idemitsu Kosan, Millen White Zelano & Branigan P C, February 26, 2013: US08384077 (119 worldwide citation)

A field effect transistor which includes, on a substrate, at least a semiconductor layer, a passivation layer for the semiconductor layer, a source electrode, a drain electrode, a gate insulating film and a gate electrode, the source electrode and the drain electrode being connected through the semi ...

Toshio Sakai, Chishio Hosokawa: Organic luminescence device with reduced leakage current. Idemitsu Kosan, Oblon Spivak McClelland Maier & Neustadt P C, November 26, 2002: US06486601 (119 worldwide citation)

The present invention relates to a luminescent device having a plurality of organic EL (Electroluminescence) elements in which at least a charge injection layer and a light-emitting layer are interposed between a pair of electrodes. It is a luminescent device in which plural sets of anodes and catho ...

Chishio Hosokawa: Actively driven organic EL device and manufacturing method thereof. Idemitsu Kosan, Parkhurst & Wendel L, March 25, 2003: US06538374 (117 worldwide citation)

The present invention is a active-driving organic EL light emission device comprising an organic EL element comprising an organic luminous medium between an upper electrode and a lower electrode, and a thin film transistor for driving this organic EL element, wherein light emitted from the organic E ...

Nobuhide Ishihara, Masahiko Kuramoto, Michitake Uoi: Process for production of styrene polymers. Idemitsu Kosan Company, Frishauf Holtz Goodman & Woodward, July 14, 1987: US04680353 (115 worldwide citation)

A process for production of styrene polymers of high syndiotactic configuration is disclosed, comprising polymerizing styrene or styrene derivatives by the use of a catalyst comprising: (A) a titanium compound, e.g., at least one compound selected from those represented by the formulae: TiR.sup.1.su ...