Idemitsu Kosan Company, Limited

Joled Inc.

Sony Corporation

Idemitsu Kosan Co ., Ltd.

Universal Display Corporation

Idemitsu Koasn Co., Ltd.

Masahiro Kawamura

Yumiko Mizuki

Hirokatsu Ito

Mitsunori Ito

Chishio Hosokawa

Kazuki Nishimura

Masakazu Funahashi

Toshinari Ogiwara

Tasuku Haketa

Yuichiro Kawamura

Tomoharu Hayama

Toshihiro Iwakuma

Hiroyuki Saito

Tomoki Kato

Kenichi Fukuoka

Hitoshi Kuma

Nobuhiro Yabunouchi

Yoriyuki Takashima

Yasunori Kijima

Shigeyuki Matsunami

Tadahiko Yoshinaga

Satomi Tasaki

Kei Yoshida

Emiko Kambe

Kiyoshi Ikeda

Akifumi Nakamura

Keiji Okinaka

Hiroshi Yamamoto

Ryota Takahashi

Sayaka Mizutani

Tetsuya Masuda

Yukitoshi Jinde

Masaki Numata

Taro Yamaki

Takushi Shiomi

Hironori Kawakami

Takeshi Ikeda

Yoichi Ikeda

Masahide Matsuura

Mineyuki Kubota

Akinori Yomogita

Yoshiaki Takahashi

Hisayuki Kawamura

Masami Watanabe

Takayasu Sado

Annemarie Wolleb

Hideaki Nagashima

Yu Kudo

Takashi Kashiwamura

Yuichi Nishimae

Ichinori Takada

Takashi Obikawa

Michelle Groarke

Julia J Brown

Michael Stewart Weaver

Yuki Nakano

Hidetsugu Ikeda

Heinz Wolleb

Tetsuya Inoue

Hiroaki Nakamura

Masatoshi Saito

Takashi Arakane

Brian D'Andrade

Mitsuru Shibata

Hidetoshi Ono

Hirofumi Kondo

Shoji Sudo

Misa Sunagawa

Hiroyuki Iwabuchi

Naoki Kurihara

A compound represented by formula (1) provides a high performance organic electroluminescence device and a novel material for realizing such an organic electroluminescence device: wherein Rto R, a to f, Lto L, and Ar are as defined in the description.

Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device

An organic electroluminescence device includes: an anode; an emitting layer; and a cathode, the emitting layer containing a first material and a second material represented by a formula (21) below. The first material has a singlet energy larger than a singlet energy of the second material.

Organic electroluminescent element and electronic device

A compound is represented by a formula (1) below, in which k is an integer of 0 or more, m is an integer of 1 or more, n is an integer of 2 or more. L is a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 30 ring carbon atoms, CN is a cyano group, and Dand Dare each independently represented by one of a formula (2), a formula (3) and formula (3x) below, Dand Dbeing optionally mutually the same or different.

Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device

Specifically substituted benzofuro- and benzothienoquinolines and their use in electronic devices, especially electroluminescent devices. When used as charge transport material, charge blocker material and/or host material in electroluminescent devices, the specifically substituted benzofuro- and benzothienoquinolines may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices and reduced driving voltage of electroluminescent devices.

Specifically substituted benzofuro- and benzothienoquinolines for organic light emitting diodes

Organic electroluminescent device using aryl amine derivative containing heterocycle

ABSTRACT An organic electroluminescence device includes an anode, a cathode, and at least one organic layer provided between the anode and the cathode, in which the at least one organic layer contains a first compound represented by a formula (1) and a second compound represented by a formula (2). In the formula (1), Ais a substituted or unsubstituted nitrogen-containing heterocyclic group having 5 to 24 ring atoms, and Lis a single bond, a substituted or unsubstituted divalent aryl group having 6 to 24 ring carbon atoms or a substituted or unsubstituted divalent heterocyclic group having 5 to 24 ring atoms. In the formula (2), Xis an oxygen atom or a sulfur atom. 

Organic electroluminescence element, electronic device, composition, material for organic electroluminescence element, and composition film

The compound represented by formula (1): wherein A, B, R, and Rare as defined in the description, provides organic electroluminescence (EL) devices having a high emission efficiency when operated at low voltage and a long lifetime and electronic devices including such organic EL devices.

An organic electroluminescence device includes: a cathode; an anode; and an organic thin-film layer disposed between the cathode and the anode, the organic thin-film layer having one or more layers including an emitting layer, in which the emitting layer includes a first material represented by the following formula (1) and a second material in a form of a fluorescent dopant material.

Organic electroluminescence device

Anthracene derivatives each having a structure including an anthracene skeleton, a phenanthrene skeleton selected from among various phenanthrene skeletons different in bonding site which is bonded to the 9-position of the anthracene skeleton and a group selected from among various aryl groups and so on which is bonded to the 10-position of the anthracene skeleton. Organic EL devices made by using the derivatives exhibit high light emission efficiency and a long life.

Anthracene derivatives, luminescent materials and organic electroluminescent devices

A compound of formula (I), a material for an organic electroluminescence device comprising at least one compound of formula (I); an organic electroluminescence device which comprises an organic thin film layer between a cathode and an anode, wherein the organic thin film layer comprises one or more layers and comprises a light emitting layer, and at least one layer of the organic thin film layer comprises at least one compound of formula (I); an electronic equipment comprising the organic electroluminescence device; and a process for preparing the compound of formula (I). 

Nitrogen-containing heterocyclic compounds for organic light emitting devices

A compound represented by formula (1): wherein Rto R, a to e, Lto L, Ar, and X are as defined in the description.

Compound, material for organic electroluminescence elements, organic electroluminescence element, and electronic device

A light emitting element includes a structure in which an anode, an organic layercontaining an organic material and including a light emitting layer, and a cathodeare stacked. The light emitting layer includes, from a side of the anode to a side of the cathode, two or more light emitting regions configured to emit different colors of light. Each light emitting region contains a host material and a dopant material. An absolute value of an ionization potential of the host material contained in a light emitting region near to the cathode is larger than an absolute value of an ionization potential of the host material contained in a light emitting region near to the anode.

Light emitting element and display device

Specifically substituted ladder type compounds of formula (I) wherein A is formula (II) a material for an organic electroluminescence device comprising at least one compound of formula (I), and an organic electroluminescence device which comprises one or more organic thin film layers including an emitting layer between a cathode and an anode, wherein at least one layer of the organic thin film layers comprises at least one compound of formula (I). 

Specifically substituted ladder type compounds for organic light emitting devices

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Sodegaura, Japan

Masahiro Kawamura