Hitachi, Ltd.

Hitachi Displays, Ltd.

Other

Panasonic Liquid Crystal Display Co., Ltd.

Ricoh Printing Systems, Ltd.

Japan Display Inc.

Mitsubishi Materials Corporation

Mitsubishi Mining and Cement Co. Ltd.

Sumitomo Chemical Company, Limited

Hitachi Medical Corporation

Hitachi Consumer Electronics Co., Ltd.

The Tokyo Electric Power Company, Incorporated

Hitachi Engineering Co., Ltd.

Hitachi Printing Solutions, Ltd.

Kabushiki Kaisha Zero One

Hiroshi Sasaki

Yutaka Ito

Yoshio Sato

Masaya Adachi

Makiko Sugibayashi

Yasushi Tomioka

Nobuyoshi Tsuboi

Sukekazu Aratani

Satoshi Shimada

Masahiko Ando

Masatoshi Wakagi

Kenichi Kawashima

Norifumi Miyamoto

Atsumi Watanabe

Katsumi Kondo

Akitoyo Konno

Takayuki Nakakawaji

Hideki Nihei

Hirotaka Sakuma

Hiroaki Koyanagi

Hiroyuki Matsumoto

Tatsuya Sugita

Hiroki Kaneko

Makoto Kurosawa

Ikuo Hiyama

Yoshiyuki Tanabe

Shingo Ishihara

Tetsuo Ito

Atsushi Sekine

Kishiro Iwasaki

Hiroyuki Minemura

Shinichi Komura

Toshiaki Tanaka

Shoichi Hirota

Masao Shimizu

Katsuhiro Kambara

Koichi Niihara

Shuji Imazeki

Koji Hirata

Masahiko Yatsu

Masahiro Kawasaki

Setsuo Kobayashi

Yoshifumi Sekiguchi

Yuka Utsumi

Takato Hiratsuka

Miharu Otani

Shigeki Komatsuzaki

Mitsuyoshi Shoji

Sadayuki Nishimura

Tetsuya Ooshima

Takeshi Mori

Satoshi Nakayama

Kazuhiro Sato

Hiroshi Hozoji

Shinichi Imade

Hideaki Yamamoto

Teruaki Mitsuya

Akihiro Miyauchi

Shinichi Kato

Hajime Murakami

Hiroyoshi Fujimori

Shinzo Matsui

Toshiaki Morita

Shigemi Hirasawa

Mitsuo Nakatani

Tomoyuki Hamada

Mitsuru Hasegawa

Hiroshi Yoshioka

Kenichi Watanabe

Kanji Kawakami

Nobuyoshi Hoshi

Soichi Sakurai

Yuuichi Kijima

Kazuo Shimizu

Hirotsugu Sakamoto

Tetsuya Hamaguchi

Hisashi Isogami

Tsutomu Maekawa

Toyotaka Yuasa

Osamu Kubota

Mitsuo Hayashibara

Kazuo Shikita

Kazuhito Masuda

Heigo Ishihara

Makoto Morishima

Ryo Hiraga

Hiroyuki Kagawa

Ryuji Watanabe

Hidehiro Iizuka

Kunihiro Tamahashi

Kotaro Araya

Kenichi Souma

Akio Honji

Kohhei Aida

Toru Koyama

Akira Mochizuki

Mitsuyasu Kido

Yasuhiko Tada

Isao Horiba

Hideto Momose

An organic light-emitting device includes a lower electrode, an upper electrode, and an organic layer disposed between these electrodes. The organic layer is a laminate of a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, and an electron injection layer. The light-emitting layer includes a host and a first dopant. The hole transport layer includes a hole transporting material, and the electron transport layer includes an electron transporting material. The hole transporting material and the electron transporting material have functional groups. The first dopant in the light-emitting layer has a functional group, and is concentrated on the side of the light-emitting layer in contact with the hole transport layer or the electron transport layer.

Organic light-emitting device, light source device using same, organic light-emitting layer material, coating liquid for forming organic light-emitting layer, and method for producing organic light-emitting device

It is an object of the present invention to provide an organic light-emitting device which can emit white light by easily controlling dopant concentrations. The organic light-emitting device has a first electrode () and second electrode () which hold a light-emitting layer () in-between, wherein the light-emitting layer contains a host material (), red-light-emitting dopant (), green-light-emitting dopant () and blue-light-emitting dopant (), the red-light-emitting dopant containing a first functional group for transferring the dopant toward the first electrode and the green-light-emitting dopant containing a second functional group for transferring the dopant toward the second electrode.

Organic luminescent materials, coating solution using same for organic

An adhesive sheetincluding a binderand adhesive particlesmixed in the binderin which the adhesive particleincludes an inorganic particleand a polymer, the inorganic particleis chemically bonded with the polymer, a portion of the adhesive particlesis exposed to the surface of the binder, the refractive index of the inorganic particleis higher than the refractive index of the binder, and the adhesion of the adhesive particlelarger than the adhesion of the inorganic particle. An adhesive sheet having high refractive index and high adhesion, as well as an optical member and an organic member and an organic light emission device can be provided.

Adhesive sheet, as well as optical member and organic light emission device using the same

A display device includes a first substrate, a second substrate, a first polarization element film which is directly formed on a surface of the second substrate on a side opposite to a side where the first substrate is arranged, and a first polarization layer which is formed in contact with a surface of the first polarization element film on a side opposite to a side where the second substrate is arranged. The first polarization element film is made of an aligned lyotropic liquid crystal material, and the first protective layer is made of a material having a refractive index smaller than a refractive index of the first polarization element film in a transmission axis direction, and has a thickness smaller than a thickness of the first polarization element film.

Display device and thin film polarizer used for display device

In a display device which includes: a first substrate; a second substrate; and a thin film polarizer which is directly formed on a surface of the second substrate on a side opposite to the first substrate, the thin film polarizer includes a polarization element film and a protection layer which is laminated to the polarization element film, the polarization element film is made of an aligned lyotropic liquid crystal material, and the protection layer has a refractive index smaller than a refractive index of the polarization element film in a transmission axis direction. The protection layer may have a thickness smaller than a thickness of polarization element film.

An organic light-emitting device including a first substrate, a second substrate, a light drawing-out layer disposed between the first substrate and the second substrate, a transparent electrode disposed between the light drawing-out layer and the first substrate, a reflection electrode disposed between the transparent electrode and the first substrate, and a first light-emitting unit disposed between the transparent electrode and the reflection electrode. The first light-emitting unit includes a first light-emitting layer that emits a first light-emitting color. In the organic light-emitting device, relations of the equation L&#x2267;&#x3bb;/4 and the equation Lcos &#x3b8;=&#x3bb;(&#xbc;+n/2) are satisfied, wherein Lis an optical length from a light-emitting point in the first light-emitting layer to the reflection electrode, &#x3bb;is a wavelength at the longer wavelength side, having an intensity of 1% of the maximum intensity of a light-emitting spectrum of the first light-emitting color, &#x3bb;is a wavelength at the shorter wavelength side, having an intensity of 1% of the maximum intensity of the light-emitting spectrum of the first light-emitting color, n is an integer not less than 0, and 0 &#x3c;&#x3b8;&#x2266;60.

Organic light-emitting device and light source apparatus using same

An object of the present invention is to provide an organic light emitting element where light emitted from the light emitting layer is efficiently emitted to the outside, and thus, the efficiency of light emission is higher. The present invention provides an organic light emitting element where a first reflective electrode, an electron transport layer, a light emitting layer, a hole transport layer, a hole injection layerand a second transparent electrodeare formed on a glass substrate, and a light extraction layerhaving an average index of refraction of 1.4 made of titanium particles having an index of refraction of 2.6 and an average particle diameter of 150 nm and silica sol.

Organic light emitting element

In order to improve the light extraction efficiency of a light-emitting element, the light-emitting element includes: a light-emitting layer provided between an electrode and a transparent substrate; a particle layer provided between the light-emitting layer and the transparent substrate; and an adhesive layer provided between the light-emitting layer and the particle layer, the particle layer includes particles having a refraction index that is higher than a refraction index of the transparent substrate, the adhesive layer has a refraction index that is higher than the refraction index of the transparent substrate, and the particle layer has an average thickness that is less than an average particle size of the particles.

Light emitting element, light emitting device using the light emitting element, and transparent substrate used in light emitting elements

Organic luminescent materials, coating solution using same for organic emitting layer, organic light emitting device using coating solution and light source device using organic light emitting device

Light-emitting element, light-emitting device using the light-emitting element, and transparent substrate used in light-emitting elements

Manufacture of a liquid crystal display is disclosed. The liquid crystal display includes a backlight unit, a backlight unit-side polarizing plate, and a liquid crystal cell held by two glass plates, the liquid crystal cell having an electrode, a liquid crystal layer, an alignment layer, and a color filter arranged between the glass plates. The liquid crystal display also includes a transparent front plate arranged at a side of the liquid crystal cell opposite to the backlight unit, a polarizing plate attached to the liquid crystal cell, and a transparent organic medium layer arranged between the front plate and the liquid crystal cell. Since the front plate is provided at the outermost surface of an image display portion, and the transparent organic medium is filled between the front plate and the liquid crystal module, it is possible to achieve an improvement in wear resistance and a reduction in reflectance.

Liquid crystal display

To provide an organic electroluminescent display device including an organic electroluminescent layer that can be easily fabricated under an atmosphere containing oxygen and which can achieve high efficiency. An organic electroluminescent display device includes a substrate, an organic electroluminescent layer, an upper electrode and a lower electrode sandwiching therein the organic electroluminescent layer, either one of the upper and lower electrodes being a transparent electrode, and the other being a reflecting electrode, and a charge transport layer disposed between the organic electroluminescent layer and the substrate. The charge transport layer is photo-cured by light with a wavelength longer than that of a near-ultraviolet light.

Organic electroluminescent display device

An organic light-emitting diode in accordance with the present invention includes: a reflective electrode; an organic layer formed on the reflective electrode; a transparent electrode formed on the organic layer; a transparent resin layer formed on the transparent electrode; and an encapsulation glass formed on the transparent resin layer. The organic layer includes a light-emitting point. Cone- or pyramid-shaped transparent resin structures are provided in the transparent resin layer in such a manner that each of the cone- or pyramid-shaped transparent resin structures splays from the transparent resin layer toward the encapsulation glass in a normal direction of the encapsulation glass. A refractive index of the transparent resin layer is 1.3 times or more to 1.6 times or less as high as that of the cone- or pyramid-shaped transparent resin structures.

Organic light-emitting diode and light source device including same

In a liquid crystal display device and a video display device using the same, for suppressing light unevenness at the end of a display region, the video display device is provided with a liquid crystal display device and a housing configured to support the liquid crystal display device, wherein the liquid crystal display device includes a liquid crystal panel, a first frame and a liquid crystal support member which interpose the liquid crystal panel therebetween, a light guide plate which is disposed at the liquid crystal support member on a side opposite to a side where the liquid crystal panel is disposed, and a light source which is disposed at a side surface of the light guide plate, and wherein a cushion member is disposed between the liquid crystal support member and the light guide plate.

Liquid crystal display device and video display device using the same

Growing community of inventors

Mito, Japan

Hiroshi Sasaki