Toyoda Gosei Co., Ltd.

Kabushiki Kaisha Toyota Chuo Kenkyusho

Toyoda Gosei Kabushiki Kaisha

Toyoda Synthetics Co., Ltd.

Toshiyasu Ito

Takaaki Mori

Mamoru Kato

Shigeyuki Takahashi

Jun Minoura

Junichi Shimada

Masanobu Senda

Katsuaki Okabayashi

Toshiya Uemura

Yasuhiko Ogisu

Toshikazu Funahashi

Takahiko Asaoka

Fujio Hayakawa

Takao Nomura

Katsuhide Manabe

Tsuyoshi Nomura

Hisaki Kato

Tetsuya Fujii

Yoshiro Umemoto

Takeshi Miyazaki

Tomoyoshi Motohiro

Yukihisa Ueno

Atsuto Okamoto

Yasuhiro Mishima

Tsugumi Sanmiya

Masatoshi Tsutsui

Katsushi Abe

Ryoichi Muroi

Masahiro Hanazawa

Mikio Adachi

Tadashi Ito

Shiaki Hyodo

Kenjiro Arai

Shigeru Noguchi

Taskaaki Mori

Toshishige Sakamoto

Norio Fujisawa

Shigeyuki Takahahi

Ippei Nagaike

Minoru Nohata

An antenna device is provided with a first connecting electrode, a first tunnel diode, a first antenna member and a fixed electrode. The first connecting electrode is configured to be connected to a fixed potential via a load. The first tunnel diode has a pair of electrodes. One of the electrodes of the first tunnel diode is connected to the first connecting electrode, and the other electrode of the first tunnel diode is connected to the first antenna member. The first antenna member has a conductive property and includes a first portion and a second portion. The first portion of the first antenna member is connected to the other electrode of the first tunnel diode. The fixed electrode is connected to the second portion of the first antenna member. The fixed electrode is configured to be connected to the fixed potential.

Antenna devices

A resin molded article comprising a main body of molded material, an intermediate coating layer comprising scaly pieces of matter and a resin constituent composed of one, or a plurality of layers, and a finish coating layer formed on the outermost surface of the intermediate coating layer. The resin molded article of the present invention provides improved resistance to chipping.

Chipping-resistant resin molded article

An electrolyte for electrochromic elements which comprises an electrolytic base material to conduct ions and charge-controlling substances contained in the electrolytic base material. The electrolytic base material is composed of a polar organic solvent and a supporting electrolyte and the charge-controlling substance is at least one of oxidizable substances and reducible substances. This electrolyte enables to produce durable electrochromic elements which can balance the charges in both electrodes and avoid a residual color or an uneven color of coloring materials.

Electrolyte for electrochromic elements

Method and apparatus for improving the surface quality of a resin molding by treating it with a plasma gas, measuring and integrating ion density and stopping the treatment when the integration reaches a predetermined value.

Plasma treatment method

An electrochromic element comprising a pair of electrode films, at least one of which is a transparent electrode film, a color forming film laminated between both the electrode films and an electrolyte. The color forming film is formed on the electrode film by depositing thereon a conductive metal oxide such as indium oxide and tungsten oxide. The depositing ratio of tungsten oxide and indium oxide preferably is within the range of 10:1 to 3:1 by weight ratio.

Electrochromic element

An electrochromic device is disclosed. The electrochromic device includes a pair of bases, and both a primary and a reference electrochromic element provided between the bases. The reference electrode is electrically connected to the primary electrochromic element so as to maintain the color-developing and fading potentials of the primary electrochromic element at predetermined voltages. A power regulator is also provided for driving the primary electrochromic element based in part on the output of the reference electrochromic element.

Electrochromic device with a reference electrochromic element

The present invention relates to an electrochromic element for use in various types of displays and dimming devices, and having a structure comprising bases, a pair of electrodes provided on the bases, at least one of the electrodes being a transparent electrode, color-forming layers provided between the pair of electrodes, and electrolyte superposed with the color-forming layers, and also provided between the pair of electrodes, and a light stabilizer made to be contained in the color-forming layers by being contained in the electrolyte.

An electrochromic element including a color-forming film and an electrolyte sandwiched between a pair of substrates each having a electrode film. Each electrode film is divided into a plurality of electrode pieces with micro grooves. One of the electrode films has its electrode pieces intersected with the electrode pieces of the other film so as to define a plurality of pairs of facing surfaces at intersecting portions. Resistors are connected between each of the electrode pieces and a power source to equalize values of current flowing between each of the pairs of the facing surfaces. The resistor may be an ordinary one, or resistance film made of conductive material, or a projected portion projecting from a longitudinal end of the electrode piece. A predetermined shape of cut-out is formed on the projected portion.

An electrochromic element including a pair of electrochromic bases is provided. Each electrochromic base is defined by a substrate, an electrode layer disposed on the substrate, and a color-forming layer disposed on the electrode layer. The electrochromic bases are superposed such that their respective color-forming layers face each other. A solid electrolyte of ultraviolet-setting type is disposed between the color-forming layers of the electrochromic bases. The method of manufacturing the electrochromic element and the method of driving the same are also disclosed.

Electrochromic elements and methods of manufacturing and driving the same

A process for producing planar dimmer comprising a transparent base, a dimming part, capable of dimming, disposed on the base, the dimming part comprising a first electrode layer formed on the base, a second electrode layer set facing the first electrode layer, a coloring part, disposed between the two electrode layers, and colors or discolors in response to the stimulus from the two electrode layers, and a conducting part disposed between the base and the first electrode layer in such a way as to be in contact with the first electrode layer in order to apply a uniform voltage throughout the first electrode layer. The process includes forming paint stripes, electrolessly plating a metal film over each of the stripes, forming an electrode layer over the metallized stripes, and forming a color-forming layer over the electrode layer.

Process for producing a planar dimmer

The present invention relates to a planar electrochromic dimmer used in dimming devices such as car sun roofs, and others having a structure comprising; a pair of bases, each comprising a transparent electrode film provided on each of a pair of bases, and arranged such that both transparent electrode films are facing each other, an electrolyte provided between the two electrode-equipped bases, a color-forming layer provided on at least one of the electrode-equipped bases, and a thin film with a visible ray transmittivity of 20-60% provided on at least one of the bases or the transaprent electrode films.

Planar electrochromic dimmer

A planar dimmer comprising a transparent base, a dimming part, capable of dimming, disposed on the base, the dimming part comprising a first electrode layer formed on the base, a second electrode layer set facing the first electrode layer, a coloring part disposed between the two electrode layers, and colors or discolors in response to the stimulus from the two electrode layers, and a conducting part disposed between the base and the first electrode layer in such a way as to be in contact with the first electrode layer in order to apply a uniform voltage throughout the first electrode layer.

Planar dimmer

A cover for car lamps comprising a transparent base and a transparent element with variable coloring intensity capable of coloring and discoloring by electric conduction, disposed on at least a part of the base.

Cover for car lamps

Herein disclosed is a window having a dimming function. This dimming window comprises: a transparent plate having a generally rectangular shape; a plurality of solid electrochromic elements extending in the longitudinal direction of a pair of opposed sides of the transparent plate; and a controller for controlling the electrochromic elements independently of one another.

Dimming window

Growing community of inventors

Aichi, Japan

Toshiyasu Ito