Nec Lighting, Ltd.

Nec Corporation

Samsung Sdi Co., Inc.

Nlt Technologies, Ltd.

Hotalux, Ltd.

Tdk Corporation

Nec Lcd Technologies, Ltd.

Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo

Yoshikazu Sakaguchi

Sounosuke Takahashi

Shinichi Nishida

Teruaki Suzuki

Ikuko Ishii

Hideki Itou

Takashi Suzuki

Satoru Okamoto

Takahiro Sato

Kenji Mori

Yuya Ishima

Shusaku Umemoto

Mamoru Okamoto

Yoichi Sasaki

Yuichi Iketsu

Jyoji Suzuki

Takahiko Watanabe

Atsushi Oda

Sadaharu Suga

Makoto Satsuki

Mitsuma Ooishi

Taku Kawasaki

Hiroshi Tada

Akira Shinpo

Toshihiko Motomatsu

Joji Suzuki

Yasuyo Ooga

Masako Kimura

Provided is a long-life organic electroluminescent illumination panel which is flexible and, even when a load is applied by bending, impact or vibration, can suppress the occurrence of defects in an electrode layer and an organic layer containing an organic electroluminescent material, and which can suppress the occurrence of dark spots due to short circuiting. This organic electroluminescent illumination panel includes: a pair of electrode layers, at least one of which is transparent, between a flexible film substrate and a flexible film sealing material, at least one of which is transparent; and an organic layer containing an organic electroluminescent material which is sandwiched between the pair of electrode layers. This organic electroluminescent illumination panel has multiple spacers which are disposed on an electrode layer laminated on the flexible film substrate so as to pass through the organic layer and another electrode layer.

Organic electroluminescent illumination panel, manufacturing method thereof, and organic electroluminescent illumination device with spacers protruding from a second electrode

The present invention provides an electrostatic printing apparatus that can produce a conductive transparent electrode substrate for use in an organic EL device or the like, which is inexpensive and highly reliable. The electrostatic printing apparatus of the present invention includes a power supply (), a conductive ejection unit () that ejects an ink for forming an insulating film to a target electrode (), a control unit () that applies a bias voltage to the conductive ejection unit (), and a pulse control unit () that applies a pulse voltage to the target electrode ().

Electrostatic printing apparatus and electrostatic printing method

A transparent resin layerfor use in an organic EL panel includes: a transparent resin; and first fine particleshaving an average particle diameter from 300 to 50000 nm and second fine particleshaving an average particle diameter from 1 to 300 nm dispersed in the transparent resin. Alternatively, a transparent resin layerfor use in an organic EL panel includes a transparent resinhaving an uneven structure, the uneven structure includes first projectionsin which at least either the widths or the heights are from 300 to 1000 nm and second projectionsin which at least either the widths or the heights are from 10 to 300 nm.

Organic EL panel-use transparent resin layer, organic EL panel, organic EL lighting device, and organic EL display

The present invention provides an organic EL device that can ensure safety by automatic light emission of afterglow illumination even when the power is shut off due to a power failure, turning-off, or the like. The organic EL device of the present invention includes: a substrate; an organic EL element part; and a charge storage part, wherein the organic EL element part is disposed on one surface of the substrate, the charge storage part is disposed on the organic EL element part, the organic EL element part includes a pair of electrodes and an organic EL layer, and the organic EL layer is sealed inside so as to be shielded from the outside air by any of the substrate, the pair of electrodes of the organic EL element part, and the charge storage part.

Organic EL device

A laminated coil component includes an element assembly formed by laminating a plurality of insulation layers and a coil unit formed inside the element assembly by a plurality of coil conductors. The element assembly includes a coil unit arrangement layer which has the coil unit arranged therein, and at least a pair of shape retention layers which is provided to have the coil unit arrangement layer interposed therebetween to retain a shape of the coil unit arrangement layer. The shape retention layer is made from glass-ceramic containing SrO, and a softening point of the coil unit arrangement layer is lower than a softening point or a melting point of the shape retention layer.

Laminated coil component

Disclosed is an organic EL panel translucent substrate that can prevent or reduce the color gap/coloring of an organic EL panel. In order to achieve the above object, organic EL panel translucent substrateis formed of resinsandand is substantially optically isotropic in its in-plane direction and thickness direction.

Organic EL panel translucent substrate, control method for refractive index anisotrophy of organic EL panel translucent substrate, manufacturing method for organic EL panel translucent substrate, organic EL panel, and organic EL device

Organic electroluminescent illumination panel, manufacturing method thereof, and organic electroluminescent illumination device

To provide a transparent resin layer for use in an organic EL panel, capable of solving a problem with light extraction efficiency caused by the wavelength dependency (wavelength dispersion) of the refractive index of light. A transparent resin layerfor use in an organic EL panel includes: a transparent resin; and first fine particleshaving an average particle diameter from 300 to 50000 nm and second fine particleshaving an average particle diameter from 1 to 300 nm dispersed in the transparent resin, and the fine particles have a function as at least either a light scattering material or a light-dispersing material. Alternatively, a transparent resin layerfor use in an organic EL panel includes a transparent resinhaving an uneven structure, the uneven structure includes first projectionsin which at least either the widths or the heights are from 300 to 1000 nm and second projectionsin which at least either the widths or the heights are from 10 to 300 nm, and at least either the shapes or the sizes of the projections in the uneven structure have no periodicity.

A transparent substrate for optical elements which is capable of suppressing cracking is provided, and a transparent substrate for optical elements which is capable of extending the life of optical elements such as organic EL elements used in organic EL illumination devices or polarizer plates used in liquid crystal display devices is provided. This transparent substrate for optical elements is characterized by having an inorganic layer and a hydrophilic layer laminated sequentially on a transparent resin film. For this reason, this transparent substrate for optical elements can have excellent gas barrier properties, inhibits degeneration of optical elements due to water vapor, suppresses cracking, is transparent and flexible, is easy to handle, can be efficiently and economically manufactured, and has excellent design properties.

Transparent substrate for optical elements, polarizer plate for liquid crystal display device using said substrate, and organic electroluminescence element

Disclosed are an organic EL lighting panel substrate and associated manufacturing method that can improve the manufacturing efficiency of an organic EL lighting panel substrate to reduce the cost and can achieve an organic EL lighting panel of excellent yield and reliability. The organic EL lighting panel substrate includes: a translucent substrate; a transparent electrode; and an auxiliary electrode. The transparent electrode is arranged on a surface of the translucent substrate and the auxiliary electrode is electrically connected to the transparent electrode. The organic EL lighting panel substrate further includes: an insulating layer at the position corresponding to an electrode lead-out part of an upper electrode of an organic EL layer that forms an organic EL lighting panel, the upper electrode being provided above the translucent substrate in such a manner as to face the transparent electrode; and a conductive layer between the translucent substrate and the insulating layer.

Organic EL lighting panel substrate, method for manufacturing organic EL lighting panel substrate, organic EL lighting panel, and organic EL lighting device

The present invention aims to provide an organic EL panel control device, a light source device, and an organic EL panel control method, capable of inhibiting the change (shift) in color temperature of white light produced by an organic EL panel to be controlled. The organic EL panel control device according to the present invention includes a luminance control unit. The luminance control unit controls, among a plurality of organic EL elements with different emission colors in an organic EL panel to be controlled, luminances of organic EL elements other than a reference organic EL element having a shortest luminance life in such a manner that, with reference to a luminance of the reference organic EL element, white light produced by additive color mixture of different colors of light emitted from the plurality of organic EL elements has the same color temperature as a previously set color temperature.

Organic EL panel control device, light source device, organic EL panel control method, program, and recording medium

The present invention provides a method for repairing an organic EL element and a method for manufacturing an organic EL panel that can reduce a production cycle time. A method for repairing an organic EL element includes an application step of repeatedly applying a pulse voltage having ON-period and OFF-period to an organic EL element. In the application step, the pulse voltage is a forward voltage or a reverse voltage, and the ON-period is equal to or longer than a time constant that is the product of an element capacity of the organic EL element and a wiring resistance including the element.

Method for repairing organic EL element, method for manufacturing organic EL panel, and light-emitting device

Organic EL panel translucent substrate, control method for refractive index anisotropy of organic EL panel translucent substrate, manufacturing method for organic EL panel translucent substrate, organic EL panel, and organic EL device

The present invention is to provide an organic electroluminescent lighting device that can reduce the occurrence of short-circuiting caused by inrush current. The organic electroluminescent lighting device includes: transparent substrate; positive electrode filmthat is formed on the surface of transparent substrateand includes terminalformed at one end or both ends and electrodeformed continuously from terminal; negative electrode terminal filmthat is formed separate from positive electrode filmon the surface of transparent substrateand includes first resistive region; organic light emitting filmformed on the surface of electrodeof positive electrode film; and negative electrode filmcontinuously formed from the surface of organic light emitting filmto the surface of negative electrode terminal film. When viewed from a first cut surface that is along a thickness direction of negative electrode terminal film, a conductor's cross-sectional area in first resistive regionis smaller than a negative electrode terminal film's cross-sectional area at boundarywith outer peripheral part of negative electrode film

Organic electroluminescent lighting device and method for manufacturing the same

Growing community of inventors

Tokyo, Japan

Yoshikazu Sakaguchi