Konica Minolta, Inc.

Konica-minolta Holdings, Inc.

Merck Patent Gmbh

Shinya Otsu

Eisaku Katoh

Hiroshi Kita

Tatsuo Tanaka

Tomohiro Oshiyama

Rie Katakura

Masato Nishizeki

Motoaki Sugino

Hidekane Ozeki

Hideo Taka

Satoru Inoue

Hiroshi Nishimura

Shuichi Sugita

Yoshiyuki Suzuri

Noriko Yasukawa

Dai Ikemizu

Kunio Tani

Shun Furukawa

Keiko Ishidai

Takamune Hattori

Satomi Kawabe

Noboru Sekine

Mayuka Hikime

Aki Nakata

Tomomi Sugai

A transparent electrode has at least a conductive material layer on a transparent substrate. The conductive material layer is a metal nanowire layer. The transparent electrode has an organic layer containing a nitrogen-containing aromatic heterocyclic compound having a structure represented by the following Formula (1) adjacent to the metal nanowire layer, In Formula (1), A1 and A2 represent a reside that forms a 6-membered nitrogen-containing aromatic heterocycle together with a nitrogen atom, and the 6-membered nitrogen-containing aromatic heterocycle may form a fused ring, L represents a single bond or a linking group derived from an aromatic hydrocarbon ring, an aromatic heterocycle or an alkyl group.

Transparent electrode and electronic device equipped with same

A resin composition includes a resin or a resin precursor, and a nitrogen-containing aromatic heterocyclic compound. The nitrogen-containing aromatic heterocyclic compound has a structure represented by the following general formula (1), the following general formula (6) or the following general formula (7): In the general formula (1), A1 and A2 each represent a 6-membered nitrogen-containing aromatic heterocyclic ring together with a nitrogen atom, and the 6-membered nitrogen-containing aromatic heterocyclic ring optionally forms a fused ring; and L represents a single bond, or a linking group derived from an aromatic hydrocarbon ring, an aromatic heterocyclic ring, or an alkyl group. The resin composition includes the nitrogen-containing aromatic heterocyclic compound in a range from 0.10 to 30% by mass relative to the resin or the resin precursor.

Resin composition and electronic device

An organic electroluminescence element including an anode, a plurality of organic functional layers including a light-emitting layer, and a cathode in that order wherein the organic functional layer containing a compound having a structure represented by the following general formula (1) is arranged between the light-emitting layer and the cathode, wherein X, Xto X, R, and Lare as defined in the specification.

Organic electroluminescence element and material for organic electroluminescence

An object of the present invention is to provide an organic EL element which has a shorter maximum luminescent wavelength, a long luminous lifespan, a low driving voltage, a small time-dependent change in driving voltage, and a small change in external extraction quantum efficiency even when being used at a high temperature. In addition, an object of the present invention is to provide a lighting device and a display device including the organic EL element. The organic EL element of the present invention is an organic EL element including: at least one luminous layer sandwiched between a positive electrode and a negative electrode, wherein the luminous layer contains at least one kind of phosphorescent organometallic complex having a structure represented by the following Formula (1): 

Organic electroluminescent element, lighting device, and display device

An organic electroluminescence element includes: an anode; a cathode; and a luminous layer. The luminous layer includes: a luminescent dopant having a reorganization energy of 0 eV to 0.7 eV in electron transition from a ground state (S) to a lowest excited triplet state (T); and a host compound having a reorganization energy of 0 eV to 0.3 eV in electron transfer reaction between a ground state (S) and an anionic radical state (AR), and having a molecular weight within a range of 500 to 3000.

Organic electroluminescence element, illumination device, and display device

Provided are an organic electroluminescent (EL) element having high luminescent efficiency, a small aging change in luminescent intensity even after the organic EL element is stored at a high temperature together with a long luminescent lifetime at a high temperature, and a method for producing the organic EL element. Further, a display and a lighting device including the organic EL element are also provided. The organic EL element contains an organic layer provided between at least a pair of a cathode and an anode. The organic layer is formed of at least one layer including a luminescent layer, and at least one layer forming the organic layer contains at least one of the compounds represented by the general formulae (A1) to (A5). 

Organic electroluminescent element, method for producing organic electroluminescent element, display, and lighting device

Disclosed herein are an iridium complex having improved luminous efficiency and emission lifetime, a method for producing the same, an organic electroluminescent element using the iridium complex, and a display device and a lighting device that include the organic electroluminescent element. The iridium complex is contained in at least one organic layer sandwiched between an anode and a cathode of an organic electroluminescent element, and has a coefficient of external influence of 0.73 &#x212b;/MW or less as defined by the following definition equation:Coefficient of external influence (Svdw)=Van der Waals surface area [&#x212b;]/molecular weight (MW).

Iridium complex, method for producing iridium complex, organic electroluminescent element, display device, and lighting device

Disclosed is an organic electroluminescent device having long life, while exhibiting high luminous efficiency. Also disclosed are an illuminating device and a display, each using such an organic electroluminescent device. In the organic electroluminescent device, a compound represented by the general formula (A) which is suitable as a host material for a phosphorescent metal complex is used at least in one sublayer of a light-emitting layer.

Organic electroluminescent element, display device and lighting device

A wet process using an organic solvent is used to produce an organic EL element, which has high light emission efficiency, a long light emission life and a small color change when continuously driven, an illuminating device and a display device are provided. Especially, an organic EL element which emits white light and can be manufactured at low cost is provided.

Disclosed is an organic electroluminescent element having high luminous efficiency and long life. Also disclosed are a display device and an illuminating device respectively using such an organic electroluminescent element. Specifically disclosed is an organic electroluminescent element comprising an electrode and at least one or more organic layers on a substrate. This organic electroluminescent element is characterized in that at least one of the organic layers is a light-emitting layer containing a phosphorescent compound and a host compound, the phosphorescent compound has a HOMO of &#x2212;5.15 to &#x2212;3.50 eV and a LUMO of from &#x2212;1.25 to +1.00 eV, and the host compound has a 0-0 band of the phosphorescence spectrum at not more than 460 nm and a glass transition temperature of not less than 60&#xb0; C.

Growing community of inventors

Hino, Japan

Shinya Otsu