1
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 ...


2
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 ...


3
Hiroshi Tokailin, Chishio Hosokawa, Tadashi Kusomoto: Electroluminescent element. Idemitsu Kosan, Frishuaf Holtz Goodman & Woodward, June 30, 1992: US05126214 (106 worldwide citation)

An electroluminescent element comprising an electroluminescent (EL) material part which emits a near ultraviolet ray of light and a fluorescent material part which absorbs the ultraviolet light emitted from the electroluminescent material and emits a fluorescence in a visible light range from blue t ...


4
Chishio Hosokawa, Masahide Matsuura, Hiroshi Tokailin: Organic electroluminescent device. Idemitsu Kosan, Oblon Spivak McClelland Maier & Neustadt P C, September 4, 2001: US06284393 (97 worldwide citation)

Transparent, organic EL devices comprising an positive electrode, a negative electrode and an organic layer including an organic light-emitting layer as sandwiched between the two electrodes, in which the negative electrode is comprised of an electron injection electrode layer and an amorphous trans ...


5
Mitsuru Eida, Chishio Hosokawa, Masahide Matsuura: Multicolor luminescent device. Idemitsu Kosan, Oblon Spivak McClelland Maier & Neustadt P C, February 9, 1999: US05869929 (87 worldwide citation)

A multicolor luminescent device comprising a color conversion material in which a plurality of shielding layers and a plurality of different color conversion layers are separately and repeatedly assembled on the same flat, alternating with each other, and an organic EL emitting material including a ...


6
Hisayuki Kawamura, Hiroaki Nakamura, Chishio Hosokawa: Organic electroluminescent device and method of manufacture thereof. Idemitsu Kosan, Oblon Spivak McClelland Maier & Neustadt P C, July 9, 2002: US06416888 (70 worldwide citation)

An organic EL device having a low driving voltage and exhibiting high luminous brightness and superior durability, and a method of manufacturing the same. The organic EL device has an anode layer, an organic light-emitting layer, and a cathode layer. An inorganic thin layer, comprising an inorganic ...


7
Chishio Hosokawa, Tadashi Kusumoto, Hiroshi Tokailin, Hisahiro Higashi: Electroluminescence device having an organic electroluminescent element. Idemitsu Kosan, Frishauf Holtz Goodman & Woodward, June 9, 1992: US05121029 (69 worldwide citation)

An electroluminescence device (EL device) and method of manufacture thereof in which an emitting material is made of an organic compound represented by general formula (I), (I') or (II): ##STR1## The EL device displays a high brightness by applying only low voltage.


8
Hisahiro Higashi, Chishio Hosokawa: Organic electroluminescent device. Idemitsu Kosan, Oblon Spivak McClelland Maier & Neustadt P C, June 18, 2002: US06406804 (67 worldwide citation)

The invention provides an organic EL device which produces high luminance and is durable and which can be fabricated with ease. The organic EL device comprises two electrodes and a light-emitting layer sandwiched therebetween, in which the light-emitting layer contains a molecular compound having an ...


9
Hiroshi Tokailin, Hisahiro Higashi, Chishio Hosokawa: Organic electroluminescence device. Idemitsu Kosan, Frishauf Holtz Goodman & Woodward, July 14, 1992: US05130603 (64 worldwide citation)

An electroluminescence device comprising, as a light emitting material, a compound of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are each an alkyl, cyclohexyl, alkoxy, cyano or aryl, R.sup.3 and R.sup.4 are a heterocyclic or aryl and Ar is an arylene. Aromatic dimethylidyne compounds of the f ...


10
Chishio Hosokawa, Masahide Matsuura: Organic electroluminescence device. Idemitsu Kosan, Oblon Spivak McClelland Maier & Neustadt P C, April 6, 1999: US05891554 (59 worldwide citation)

An organic electroluminescence device in which the following total optical thickness is set at a value which enhances the intensity of the central wave length .lambda. (.lambda. being selected in the ranges of 440 to 490 nm, 500 to 550 nm, and 600 to 650 nm) of the electroluminescence light emitted ...