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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Ohrui; Hiroki
Address:
Kawasaki, JP
No. of patents:
10
Patents:












Patent Number Title Of Patent Date Issued
8173275 Azaindenochrysene derivative and organic light-emitting device May 8, 2012
The invention provides an azaindenochrysene derivative, and an organic light-emitting device outputting light having high luminance and a long lifetime with high efficiency having an organic compound layer that includes the azaindenochrysene derivative.
8129899 Azafluorene derivative and organic light-emitting device using the derivative March 6, 2012
A novel azafluorene derivative and an organic light-emitting device having the derivative are provided. The organic light-emitting device includes a pair of electrodes composed of an anode and a cathode one of which is a transparent or semi-transparent electrode, and an organic compo
8110685 Azafluorene derivative and organic light-emitting device using the derivative February 7, 2012
A novel azafluorene derivative and an organic light-emitting device having the derivative are provided. The organic light-emitting device includes a pair of electrodes composed of an anode and a cathode one of which is a transparent or semi-transparent electrode, and an organic compo
8072137 Fused heterocyclic compound and organic light emitting device December 6, 2011
To provide a material for an organic light emitting device showing a light emission hue with an extremely good purity and outputting light having high luminance and a long lifetime with high efficiency, the present invention relates to a fused heterocyclic compound having at least on
8071993 Organic electroluminescence element, image display device, and imaging apparatus December 6, 2011
An organic electroluminescence element includes organic compound layers disposed between electrodes, the concentration of halogen atoms contained in organic compounds of the organic compound layers being 1 ppm or less according to combustion ion chromatography.
8034944 Benzofluoranthene compound and organic light-emitting device using the compound October 11, 2011
There are provided a novel benzofluoranthene compound and an organic light-emitting device which uses the benzofluoranthene compound, gives a blue emission hue with extremely good purity, and has an optical output with a high efficiency, a high luminance, and a long life. Specifically,
7977869 Organic luminescent device and benzo[k]fluoranthene compound July 12, 2011
An organic luminescent device having organic-compound layers is provided which takes on luminous hues with very good purity and has optical power with high efficiency, high luminance and a long life. At least one of the organic-compound layers contains a benzo[k]fluoranthene compound
7919198 Condensed ring aromatic compound for organic light-emitting device and organic light-emitting de April 5, 2011
Provided are a condensed ring aromatic compound for an organic light-emitting device, and an organic light-emitting device having optical output with high efficiency and high luminescence and having durability. An organic light-emitting device including an anode and a cathode, and a
7919197 Condensed ring aromatic compound and organic light-emitting device having the same April 5, 2011
There are provided a condensed ring aromatic compound and an organic light-emitting device having an optical output with high efficiency and high luminance, and durability. An organic light-emitting device including: a pair of electrodes comprising an anode and a cathode of which at
7875368 Heterocyclic compound and organic light-emitting device January 25, 2011
Provided is a novel heterocyclic compound which is useful as a material for an organic electroluminescent device. The heterocyclic compound is represented by the general formula [I]: ##STR00001## wherein X represents a nitrogen atom or a carbon atom; Y represents O or S; R.sub.1 and










 
 
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