Nec Corporation

Sony Corporation

Mitsubishi Electric Corporation

Nippon Steel Sumitomo Metal Corporation

Sony Group Corporation

Mitsubishi Heavy Industries Limited

Canon Kabushiki Kaisha

Kabushiki Kaisha Toshiba

Nippon Steel Corporation

Yokogawa Electric Corporation

Konica Corporation

Makita Corporation

Toyota Jidosha Kabushiki Kaisha

Ricoh Company, Ltd.

Mitsubishi Jidosha Kogyo Kabushiki Kaisha

Takeshi Yamamoto

Soya Araki

Shuichi Hayashi

Naoaki Kabasawa

Nobuhiro Fujita

Riki Okamoto

Hiroaki Fujii

Norimasa Yokoyama

Hiroshi Yoshida

Takayuki Nakanishi

Hiroyuki Takeuchi

Takeo Yamada

Satoru Tanaka

Takeshi Tanaka

Naoki Tanaka

Yoshinobu Baba

Hiroyuki Fujikawa

Kazuhiro Okanoue

Tatsuo Yokoi

Se-Jin Lee

Kunio Hayashi

Takayuki Itakura

Kunihiko Nakamura

Hiroshi Shuto

Manabu Takahashi

Naoki Sano

Takehiro Takahashi

Toshimitsu Kawase

Nozomu Komatsu

Akio Yamamoto

Koh Ishigami

Ryota Yamashina

Tomoki Osawa

Hiroyuki Matsuda

Masaharu Ueda

Kenji Maruyama

Takuya Sato

Naoki Okamoto

Shinji Hayashi

Yojiro Hotta

Shinichiro Watanabe

Takeshi Imai

Tetsuya Ida

Akira Shinada

Kohichi Sano

Sang-Woo Park

Masaki Noda

Tsukasa Abe

Soon-Wook Cha

Kazunori Togashi

Manami Haraguchi

Hiroshi Tomiyasu

Noriyoshi Umeda

Shunji Mochizuki

Hisanori Tsuboi

Kouki Kase

Kazuaki Nakano

Kazuyuki Suruga

Hidetomo Miyake

Satoshi Mukoyama

Bong-Ki Shin

Yuta Hirayama

Daizou Kanda

Hideyoshi Kitahara

Eiji Niikura

Young-Hwan Park

Kiyoshi Goto

Kazuo Terauchi

Kinya Kamiguchi

Akira Amano

Takayuki Nozaki

Shingo Kawai

Kenji Sugiyama

Sang-woo Park

Ju-man Song

Takashi Aida

Hiroaki Nemoto

Masami Ito

Yukio Nakashima

Akira Daijogo

Takeshi Toyoda

Tetsuro Yamasaki

Yoshio Inasawa

Kenta Kubo

Takuya Uehara

Seiji Yoshida

Takashi Morohoshi

Chisato Wakabayashi

Tetsuya Yoshida

Junji Takaki

Hideho Tomita

Masaki Okubo

Teruhisa Miyazaki

Ji-Hwan Kim

Tomohiko Sawanaka

Masaya Yamaguchi

Hitosi Matui

Atsushi Hashimoto

Yoshiko Irie

Koji Hata

The video-audio output module includes a display board having a display surface for displaying a video image and a mount surface facing opposite the display surface, with drive chips mounted on the mount surface for driving the display surface to display the video image, a heat radiation plate fixed to the mount surface of the display board with a heat-conductive filler material of high heat conductivity interposed therebetween, the heat radiation plate including a material of high heat conductivity, and an audio device fixed to the heat radiation plate, the audio device being vibratable in response to an audio signal applied thereto. The present technology is applicable, for example, to a video-audio presentation apparatus that displays a video image while localizing sound images such that sounds are output from images representing sound sources.

Video-audio output module and video-audio presentation apparatus

An organic light-emitting element according to the present invention employs a polycyclic aromatic derivative compound in a light-emitting layer inside the element, and further comprises a capping layer. Thus, the organic light-emitting element can be made highly efficient and can be useful for a device selected from among a flat panel display device, a flexible display device, a monochrome or white flat panel lighting device, and a monochrome or white flexible lighting device.

Organic light-emitting element using polycyclic aromatic derivative compound

A power conversion apparatus includes a filter capacitor to be charged with electric power fed from a main power source, and a power converter to convert electric power fed via the filter capacitor and feed the converted electric power to a load. The power conversion apparatus further includes a power-source contactor to electrically connect the filter capacitor and the power converter to the main power source or electrically disconnect the filter capacitor and the power converter from the main power source, and a discharging circuit connected in parallel to the filter capacitor. The power conversion apparatus also includes a discharge control circuit to close a discharging contactor included in the discharging circuit after opening of the power-source contactor, and thereby cause the filter capacitor to be discharged.

Power conversion device for suppressing flow of short-circuit current to discharging resistor

The present invention provides various organic electroluminescent elements using a material for a capping layer and a material for a luminous layer, in which the material for a capping layer uses an arylamine material that exhibit excellent stability and durability in the form of a thin film, especially a specific amine compound having a high refractive index and having a high absorbance within a wavelength range from 400 nm to 410 nm in the absorption spectrum at a concentration of 10mol/L; and in which the material for a luminous layer uses a compound containing a heterocyclic compound that has a specific fused ring structure.

Organic electroluminescent element

A display device includes a liquid crystal module () including a display panel () and a light emitting unit () that illuminates the display panel (). The light emitting unit () includes a support substrate () that is disposed to face the display panel (), a light guide member () that is provided between the display panel () and the support substrate (), and has a first end surface () and a second end surface (), a light source () that is disposed to face the first end surface (), and a holding member () that is provided between the display panel () and the support substrate () along an outer edge of the support substrate (), and has a facing surface joined to the second end surface (). This display device has a structure suitable for a thin profile.

Light emitting unit, liquid crystal module, display device, and lighting system

A power conversion device includes power conversion units connected to a shared power source. The power conversion units each include a contactor, a power converter, and a unit controller. A contactor controller closes or opens the contactor. A sensor measures a value of at least one of input current or output current of the power converter. The unit controller determines presence or absence of a failure of the power conversion units based on the measured value of the sensor, and sends a determination result to another unit controller.

Power conversion device including current responsive control

A display device includes a first rotation member configured to rotate, a second rotation member configured to rotate, the second rotation member being spaced apart from the first rotation member, a conveyance member that is extended between the first rotation member and the second rotation member, is configured to be conveyed between the first rotation member and the second rotation member in accordance with respective rotations of the first rotation member and the second rotation member, and has an inner surface and an outer surface, an abutting movement member that is disposed between the first rotation member and the second rotation member, and is configured to move to cause the conveyance member to be partially pushed up while being abutted against the inner surface, and a display member having flexibility that is attached to the outer surface, and displays an image using an organic light emitting phenomenon.

Display device

The present disclosure is related to an organic EL element including a capping layer that contains a compound represented by formula (A-1). In the formula, A and X are monovalent groups represented by formula (B-1) having 1 binding site among Rto R. Z represents a monovalent group represented by formula (B-1) having 1 binding site among Rto R, an aromatic hydrocarbon group, an aromatic heterocyclic group or a fused polycyclic aromatic group. Ar is a single bond or a divalent group of an aromatic hydrocarbon group, an aromatic heterocyclic group, or a fused polycyclic aromatic group. Rto Rare each defined in the specification, and Q represents a nitrogen atom, an oxygen atom, or a sulfur atom.

Organic electroluminescent element and method for producing same

It is an object of the present invention to provide an organic EL element including a capping layer constituted by two layers consisting of a first capping layer and a second capping layer that has a refractive index that is higher than that of the first capping layer, in order to improve the light extraction efficiency compared with an organic EL element including a capping layer constituted by a single layer. The present invention provides an organic electroluminescent element at least including an anode, a hole transport layer, a light emitting layer, an electron transport layer, a cathode, and a capping layer arranged in this order, wherein the capping layer has a structure constituted by two layers consisting of a first capping layer and a second capping layer, a refractive index of the second capping layer is higher than a refractive index of the first capping layer throughout a wavelength range from 450 to 650 nm, and the second capping layer contains an arylamine compound having a specific structure.

Organic electroluminescence element

The present invention relates to an organic EL device having at least an anodic electrode, a hole transport layer, a light emitting layer, an electron transport layer, a cathodic electrode, and a capping layer in this order, in which the capping layer contains an amine compound having a benzazole ring structure represented by the following general formula (A-1).

Organic EL device, amine compound having benzazole ring structure, and method in which said amine compound is used in capping layer of organic EL device

According to the present invention, there is provided an organic electroluminescence element including at least an anode, a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, and a cathode in the stated order, the organic electroluminescence element being characterized in that: the hole injection layer contains an arylamine compound represented by the following general formula (1) and an electron acceptor. The organic EL element of the present invention has a high light emission efficiency and an excellent durability, as compared with the related art, while maintaining the existing low drive voltage.

To provide an organic EL device having low driving voltage, high luminous efficiency, and particularly a long lifetime by combining various materials for an organic EL device having excellent hole and electron injection/transport performances, electron blocking ability, stability in a thin-film state, and durability as materials for an organic EL device having high luminous efficiency and high durability so as to allow the respective materials to effectively reveal their characteristics. In the organic EL device having at least an anode, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, and a cathode, in this order, the hole injection layer includes an arylamine compound of the following general formula (1) and a radialene derivative of the following general formula (2).

Organic electroluminescent device

A method of disassembling a steam generator including a body portion, a water chamber, a tube plate and a plurality of heat transfer tubes, the method includes: a step of obtaining a disassembly target including the tube plate and a part of the heat transfer tubes; a step of specifying the heat transfer tube fixed to the tube plate; a step of releasing fixation between the part of the heat transfer tube and the tube plate; and a step of pulling out the part of the heat transfer tube from the through-hole, in the step of releasing the fixation, the TIG heating head is inserted from the primary region side, and in the step of releasing the fixation, the TIG heating head is moved to a plurality of streaks only in a direction from the primary region side to the secondary region side.

Method of disassembling steam generator

Growing community of inventors

Tokyo, Japan

Takeshi Yamamoto