Canon Kabushiki Kaisha

Commonwealth Scientific and Industrial Research Organisation

Other

Nippon Steel Chemical & Material Co., Ltd.

Kazunori Ueno

Akihiro Senoo

Koichi Suzuki

Akihito Saitoh

Yuichi Hashimoto

Seiji Mashimo

Keiji Okinaka

Akira Tsuboyama

Naoki Yamada

Jian Chen

Masataka Yashima

Yomishi Toshida

Tetsuro Fukui

Motokazu Kobayashi

Masao Suzuki

Hiroshi Tanabe

Tatsundo Kawai

Satoru Shiobara

Jun Kamatani

Akihiro Mouri

Koichi Nakata

Noboru Koumura

Yoichi Osato

Kazuo Isaka

Yukio Nagase

Shinjiro Okada

Masashi Hashimoto

Takao Takiguchi

Takayuki Ito

Satoshi Igawa

Chihaya Adachi

Bing R Hsieh

Tadashi Okamoto

Takayuki Teshima

Osamu Kanome

Manabu Furugori

Hironobu Iwawaki

Hiroki Ohrui

G K Surya Prakash

Shigeru Suzuki

Xiao-Chang Charles Li

Taiki Watanabe

Masaki Kuribayashi

Hidetoshi Tsuzuki

Kenji Kagami

Jian Ping Chen

Mark Bown

Yohei Iwasaki

Katsuya Nishino

Takehiko Ooi

Tadahiko Hirai

Masao Ueki

Alexander Bilyk

Michelle Groarke

Shinichi Urakawa

Sven Andresen

Juo-Hao Li

Seiichi Yogi

Mizuho Hiraoka

Raju Adhikari

Takeo Eguchi

Hiroshi Miyazaki

Chika Negishi

Yoshimasa Okamura

Almar Postma

Brett Alexander Sexton

Takehiko Ohi

Karl Peter Weber

Masashi Tashiro

Hideki Tashiro

Kazuya Arima

James Matthew MacDonald

James MacDonald

Melissa Skidmore

Yoichi Sasaki

Kiyoshi Tsuge

Seiko Shibata

Motoshi Tamura

Jun Nishimura

Anthony Wilson

Yukihiro Okada

X Charles Li

A compound represented by the general formula (1) is useful as a light emitting material. In the general formula (1), Arto Arrepresent an aryl group, provided that Arand Arare the same as each other, and at least one of Arto Arrepresents an aryl group substituted with a group represented by the general formula (2). In the general formula (2), Rto Rrepresent a hydrogen atom or a substituent; Z represents O, S, R&#x2014;N, (R) (R)C, or (R) (R)Si; and Rto Reach independently represent a hydrogen atom or a substituent. 

Compound, light emitting material, and organic light emitting device

A pixel structure for use in a high-definition light-emitting display panel having a plurality of sub-pixels, comprising: a glass substrate; a backplane that is disposed on the glass substrate and includes a capacitive element having sufficiently high light transmittance to cause 50 percent or more of light to be transmitted therethrough; a frontplane that is disposed on the backplane and includes a light-emitting element disposed so as to radiate light towards the glass substrate and the backplane; an electrical connecting portion that provides an electrical connection between the frontplane and the backplane, three or fewer of such electrical connecting portions being provided on one of the sub-pixels; and a switching element that is provided on the backplane and controls electricity distribution to the light-emitting element, wherein an aperture ratio from which light is transmitted through the glass substrate is 20 percent or more.

Pixel structure for OLED display panel

An electroluminescent device comprising: an organic electroluminescent element and a junction transistor having a first region, a second region, and an intermediate semiconducting region configured to control flow of charge between the first and second regions, wherein at least two abutting regions consist essentially of one or more semiconducting inorganic metal compounds, and wherein each region of the junction transistor and the electroluminescent element are successively stacked along a common direction.

Pixel matrix circuit

The present disclosure generally relates to diamine compounds, which may be used as precursors in preparing diazaborole compounds and phosphorescent diazaborole metal complexes. The present disclosure also relates to diazaborole compounds, diazaborole metal complexes, and electroluminescent emission materials and electronic devices thereof. The present disclosure further relates to processes for preparing the diamine compounds and diazaborole metal complexes.

Diamine compounds for phosphorescent diazaborole metal complexes and electroluminescent devices

The present disclosure generally relates to phenylenediamine compounds, which may be used as precursors in preparing diazaborole compounds and phosphorescent diazaborole metal complexes. The present disclosure also relates to diazaborole compounds, diazaborole metal complexes, and electroluminescent emission materials and electronic devices thereof. The present disclosure further relates to processes for preparing the phenylenediamine compounds and diazaborole metal complexes.

Phenylenediamine compounds for phosphorescent diazaborole metal complexes

Disclosed herein are phosphorescent materials comprising a complex of a metal atom M selected from Ir, Pt, Rh, Pd, Ru and Os and at least one ligand L, wherein the ligand L is represented by formula (1). Also disclosed are organic electroluminescent devices including such phosphorescent materials.

Electroluminescent devices based on phosphorescent iridium and related group VIII metal multicyclic compounds

An electroluminescence device having an emission layer comprising a single organic compound layer between a cathode and an anode. The single layer may comprise an emitter component on a single polymer chain of covalently linked (co)-polymer sections Y1, optionally in combination with Y2, and/or Y3, or different polymer chains Y1, optionally in combination with Y2, and/or Y3 blended together. Each of the (co)-polymer contains a spacer unit and a carrier transporting component and optionally an emitter moiety.

Polymer-based organic electroluminescent device

An organic electroluminescent device comprising: a pair of electrodes comprising an anode and a cathode, and one or more layers of organic compound arranged between the pair of electrodes, wherein the organic compound layer, or one or more of the organic compound layers, comprises a compound represented by a substituted imidazole. The substituents on the imidazole ring may be selected from a range of suitable substituents, including: substituted or unsubstituted aryl groups, substituted or unsubstituted heterocyclic groups, substituted or unsubstituted alkyl groups or cyano groups. In various aspects of the invention, at least one of the substituent groups may be a substituted or unsubstituted imidazole or thiophene group.

Organic electroluminescent device

It is an object of the present invention to provide an organic light emitting device having a long-life optical output. The organic light emitting device according to the present invention is provided with an emission layer including at least a host material, a light emitting material, and another material, wherein the another material has a smaller ionization potential than and almost the same hole mobility as or a greater hole mobility than an ionization potential and a hole mobility of a compound which forms an emission layer-side-interface.

Organic light emitting device

Provided are a novel fused polycyclic aromatic compound having a fluoranthene skeleton and an organic light emitting device having high efficiency and high durability. The organic light emitting device includes a fused polycyclic aromatic compound represented by the following general formula [1] or [2], and the organic light emitting device includes an anode, a cathode, an organic compound layer interposed between the anode and the cathode, in which at least one layer of the organic compound layers includes at least one kind of the fused polycyclic aromatic compound represented by the following general formula [1] or [2]. 

Fused polycyclic aromatic compound and organic light emitting device using the compound

An organic light-emitting element has an anode, a cathode, and a layer including an organic compound between the anode and the cathode. The layer including the organic compound has at least one tetracyano compound represented by at least one of Formula (1) or (2) below. In Formula (1), Rto Rare each a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aromatic group, a nitro group, or a cyano group. In Formula (2), n represents an integer of 1 to 2, Mis a metal ion or an onium cation, and Rto Rare as defined in formula (1).

Organic light-emitting element having tetracyano compound and display device

An object of the present invention is to provide a light emitting device having high luminous efficiency and high stability. The light emitting device includes two electrodes and a light emitting layer interposed between the two electrodes, in which the light emitting layer contains luminous nanoparticles, and the luminous nanoparticles each have a particle diameter smaller than a thickness of the light emitting layer, and each include a metal coordination compound having a ligand formed of an organic compound.

Light emitting device having high luminous efficiency and high stability

Provided is an organic electroluminescent device which has a high efficiency and high durability. The organic electroluminescent device includes an anode and a cathode; and a layer including an organic compound interposed between the anode and the cathode, in which the layer includes a phosphorescent material including an Ir complex or Pt complex having at least one ligand represented by any one of the following general formulae (1) to (4): 

Phosphorescent material, and organic electroluminescent device and image display apparatus using same

An organic light emitting device having a high efficiency and durability is provided. The organic light emitting device includes an anode, a cathode and a layer formed of an organic compound interposed between the anode and the cathode, and contains at least one kind of the fluorene compound represented by the following general formula (I) or (II): wherein Rto Reach represent an alkyl group, a fluorinated alkyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted aryl group; and Arto Arrepresent a substituted or unsubstituted aryl group or a substituted or unsubstituted polycondensed aromatic group.

Fluorene compound, organic light emitting device and display device using the fluorene compound

The present invention provides an organic electroluminescence device using a novel phosphorescent metal complex compound and having high efficiency, high luminance, and high durability. The organic electroluminescence device includes a pair of electrodes including an anode and a cathode, and one or more organic layers each containing an organic compound, the one or more organic layers being interposed between the pair of electrodes, wherein at least one of the one or more organic layers contain a phosphorescent metal complex compound having at least one ligand structure represented by the following general formula (1): where at least one of X, Y and Z represents an aromatic oligomer having 13 or more carbon atoms and bonded directly or via a linking group.

Organic electroluminescence device and display apparatus

Growing community of inventors

Ebina, Japan

Kazunori Ueno