Konica-minolta Holdings, Inc.

Konica Minolta Opto, Inc.

Konica Minolta Business Technologies, Inc.

Mitsuhiro Fukuda

Hiroshi Kita

Noriko Ueda

Tomohiro Oshiyama

Yoshiyuki Suzuri

Eisaku Katoh

Akira Kosaka

Taketoshi Yamada

Tomoo Izumi

Katsura Hirai

Motoi Kinoshita

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 is an organic semiconductor composition containing particles and an organic semiconducting compound combining with the particles.

Organic semiconductor composition, organic semiconductor element, and their manufacturing method

An actuator device which is made as a laminated structure including a displacement-functioning layer having a region to be deformed by the electric field and an electrode-functioning layer having a region to function as an electrode. And an manufacturing method in which the above-mentioned device is easily manufactured, the method in which, according to the laminated structure, arranging each layer to be formed on the transfer section and transferring it onto the substrate to laminate.

Actuator device and method of manufacturing the same

A shape-variable optical element, which includes: a shape-variable section made up of an organic material that can be expanded and contracted by an electric field, in a direction of the electric field; and a pair of electrode layers to sandwich the shape-variable section, wherein amounts of expansion and contraction of the shape-variable section, which are generated by the electric field when a voltage is applied to the pair of electrode layers, have a distribution pattern in a surface perpendicular to the electric field.

Shape-variable optical element, optical device and image pickup apparatus

The present invention provides a display element including a layered body. The layered body includes a layered portion comprising a plurality of transparent thin films with different refractive indexes, and a plurality of electrodes which are adapted to apply an electric field to each of the plurality of transparent thin films. Each of the plurality of transparent thin films comprises a material whose thickness changes according to the electric field.

Display element

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

An object of the invention is to provide an organic electroluminescent element with high luminance and long half life and a display employing the organic EL element. An organic electroluminescent element comprising a component layer including at least one light emission layer capable of emitting phosphorescence, wherein the component layer contains at least one specific carbazole derivative.

Growing community of inventors

Chofu, Japan

Mitsuhiro Fukuda