Konica Corporation

Konica-minolta Holdings, Inc.

Noriko Ueda

Hiroshi Kita

Yoshiyuki Suzuri

Taketoshi Yamada

Mitsuhiro Fukuda

Tomohiro Oshiyama

Yasushi Okubo

Kazuaki Nakamura

Eisaku Katoh

Satoru Ikesu

Takatugu Suzuki

Katsuji Ota

Motoi Kinoshita

Mitsunori Matsuura

Takayuki Suzuki

Mitsuhito Fukuda

Elsaku Kato

An electroluminescent element is disclosed, comprising an electroluminescent material and a fluorescent substance emitting light having an emission maximum at the wavelength different from that of light emitted from the electroluminescent material upon absorption of the light emitted from the electroluminescent material. A color conversion filter is also disclosed, comprising a fluorescent substance emitting light having an emission maximum at the wavelengths of 400 to 700 nm upon absorption of the light emitted from the electroluminescent material.

Electroluminescent material, electroluminescent element and color conversion filter

An organic electroluminescent element comprising a light emission layer and a hole blocking layer adjacent to the light emission layer, wherein, (i) the light emission layer contains a compound having a specified partial structure and having a molecular weight of not more than 1700; and (ii) the hole blocking layer contains a derivative selected from the group consisting of a styryl derivative, a boron derivative and a carboline derivative.

Organic electroluminescent element, illuminator, display and compound

An organic electroluminescent element and a display device exhibiting high emission efficiency and long life. The organic electroluminescent element contains a pair of electrodes having therebetween at least one constituting layer containing a phosphorescent light emitting layer, wherein one of the constituting layer contains a compound of Formula (1): wherein Zrepresents an aromatic heterocylic ring which may have a substituent; Zrepresents an aromatic heterocylic ring or an aromatic hydrocarbon ring both of which may have a substituent; Zrepresents a divalent linking group or a single bond; and Rrepresents a hydrogen atom or a substituent.

Organic electroluminescent element and display

The present invention relates to an organic electroluminescent element and a display device exhibiting high emission efficiency and long life. The organic electroluminescent element contains a pair of electrodes having therebetween at least one constituting layer containing a phosphorescent light emitting layer, wherein one of the constituting layer contains a compound represented by Formula (1): wherein Zrepresents an aromatic heterocylic ring which may have a substituent; Zrepresents an aromatic heterocylic ring or an aromatic hydrocarbon ring both of which may have a substituent; Zrepresents a divalent linking group or a single bond; and Rrepresents a hydrogen atom or a substituent.

Organic electroluminescent device and display

Disclosed is an organic electroluminescent element comprising an anode, a cathode and a component layer including a light emission layer, the component layer being provided between the anode and the cathode, wherein the component layer contains a compound represented by formula 1,X-(A)&#x2003;&#x2003;Formula 1wherein Arepresents a group represented by formula 2; 

Organic electroluminescent element, and display and illuminator

Disclosed are an organic electroluminescent element comprising a light emission layer containing a phosphorescent compound and a hole transporting layer adjacent thereto containing a hole transporting material, wherein the hole transporting material has a 0-0 band of the phosphorescence spectra of from 300 to 450 nm and has a molecular weight of not less than 550, and an illuminator and a display each comprising the organic electroluminescent element.

Organic electroluminescent element, illuminator, and display

The present invention provides: an organic EL element exhibiting high luminance, a high external quantum efficiency and a long high temperature driving life at 50&#xb0; C.; an illuminator and a display device employing the organic EL element; and a material preferably used for the organic EL element.

Material for organic electroluminescent device, organic electroluminescent device, illuminating device and display

Organic electro-luminescent element and material of organic electro-luminescent element

An electroluminescent element, comprising an electroluminescent material and a fluorescent substance emitting light having an emission maximum at the wavelength different from that of light emitted from the electroluminescent material upon absorption of the light emitted from the electroluminescent material. A color conversion filter is also disclosed, comprising a fluorescent substance emitting light having an emission maximum at the wavelengths of 400 to 700 nm upon absorption of the light emitted from the electroluminescent material.

An organic electroluminescent element comprising a light emission layer comprised of single or plural thin layers of an organic compound put between an anode and a cathode facing to each other is disclosed. At least one of the thin layer of the organic compound contains an organic metal complex having both of an ionic coordinate bond formed between a nitrogen anion and a metal cation and a coordinate bond formed by a nitrogen atom or a chalcogen and a metal.

Organic electroluminescent element

A silver halide light sensitive color photographic material is disclosed, comprising a support having thereon a silver halide emulsion layer, the photographic material further comprising a 2-equivalent yellow coupler exhibiting superior dye forming capability and enhanced solubility in a solvent, and represented by the following formula:

Growing community of inventors

Hino, Japan

Noriko Ueda