Ricoh Company, Ltd.

Ricoh Research Institute of General Electronics Co., Ltd.

The University of Tokyo

Chugai Seiyaku Kabushiki Kaisha

Tohoku Ricoh Co., Ltd.

Tianma Micro-electronics Co., Ltd.

Ikue Kawashima

Shigenobu Hirano

Yasuo Katano

Hiroyuki Takahashi

Kenji Kameyama

Takashi Maki

Yoshikazu Akiyama

Takeshi Shibuya

Shiroh Ikegami

Yuuto Gotoh

Qing Liang

Satoshi Yamamoto

Takao Someya

Hidenori Tomono

Takuji Kato

Masafumi Kumano

Katsunari Hanaoka

Takumi Yamaga

Satomi Tanaka

Norikazu Igarashi

Masahiro Yanagisawa

Shigeaki Nimura

Kazunori Ito

Atsushi Ohshima

Yoshihisa Naijo

Takeshi Nanjyo

Kouichi Ohtaka

Masahiro Masuzawa

Yasuhiro Satoh

Koei Suzuki

Aino Hasegawa

Mayuka Araumi

Akishige Murakami

Yuuma Usui

Yoshio Fukushima

Tadao Katsuragawa

Masaya Ohtsuka

Hitoshi Kondoh

Kiyohiko Shinomiya

Yoshinobu Nakayama

Yasuhiro Tsuji

Toshitatsu Suzuki

Akihito Miyamoto

Shigeru Kinpara

Tamio Murano

Soichi Nagamatsu

Futoyoshi Koh

Shinei Ryu

Shuichi Hikichi

Kouei Suzuki

Masayuki Hirama

Yan Wang

Yorishige Matsuba

Uniform light irradiation to the measurement object is realized, and it is possible to obtain high resolution image information, to provide a reflective optical sensor. An optical sensor comprises a light irradiation unit for performing uniform light irradiation with respect to the measurement object, the viewing angle control plate for limiting the direction of the reflected light in the measurement object to the predetermined direction, a light detecting unit for acquiring image information showing the distribution of the reflected light obtained through the viewing angle control plate. The viewing angle control plate is a louver array film or a fiber optic plate.

Optical sensor

[Problem] To provide an electronic functional member having high stretch-resistance. [Solution] An electronic functional member provided with: fibers formed in web-like shape and configuring a fiber web; a coating film coating the fibers and having a Young's modulus smaller than that of the fibers; and an electrically conductive film formed on the surface of the coating film.

Electronic functional member and strain sensor

A display apparatus that enhances a response speed while suppressing reduction in durability even when the transmittance control is performed. The display apparatus includes a display, a plurality of light adjustment devices, and a controller. The display is configured to be attached to a head of a user to display information to the user. Each of the plurality of light adjustment devices is configured to change a transmittance to adjust an intensity of light incident from outside. The controller is configured to independently control the transmittances of the plurality of light adjustment devices separately from each other.

Display apparatus and display method

A monocular image display device includes a virtual image former to display an image in front of one eye of a user and a primary light amount adjuster being in front of another eye of the user. The primary light amount adjuster is disposed closer to the one eye of the user than an optical axis of the another eye of the user is.

Monocular image display device

A management server communicable with a plurality of terminal devices, including a first terminal device, includes: a receiver to receive, from the first terminal device, shared information to be shared between the plurality of terminal devices, the shared information including first location information indicating a current location of the first terminal device, direction information indicating a direction that the first terminal device faces, and distance information indicating a distance from the first terminal device to a target destination; circuitry to generate target destination information including second location information indicating a location of the target destination based on the shared information received from the first terminal device; and a transmitter to transmit the target destination information to the plurality of terminal devices for display at the plurality of terminal devices.

Apparatus, system, and method of information sharing, and recording medium

A head-mounted display apparatus () includes an image display part () configured to display an image, an optical unit () configured to lead the image to an eye of a wearer of the display apparatus (), a light intensity detector () configured to detect light intensity (A) of external light, a dimmer filter () configured to vary transmittance to adjust the intensity (B) of the external light reaching the eye of the wearer, and a controller () configured to adjust the transmittance of the dimmer filter () and the light intensity (C) of a light source of the image display part () based on the light intensity (A) of the external light obtained by the light intensity detector ().

Head-mounted display apparatus, and display method

An electrophoretic liquid is disclosed that includes first particles that have the property of scattering light over an entire visible range and are positively or negatively charged; second particles that have the property of absorbing light of a specific wavelength range in the visible range and scattering light of ranges other than the specific wavelength range and are charged to a polarity opposite to that of the first particles; and a dispersion medium that has the property of allowing the light of the specific wavelength range absorbed by the second particles to pass through and absorbing the light of the ranges other than the specific wavelength range. In the electrophoretic liquid, the first particles and the second particles are dispersed in the dispersion medium.

Electrophoretic liquid and display device using electrophoretic liquid

A disclosed image display device includes a display part; a user identifying part configured to perform personal identification to identify personal identification information; a detecting part configured to detect whether the image display device is held by hand; and a control part configured to display an image on the display part upon a display request when the user identifying part identifies personal identification information obtained upon the display request as personal identification information of an authorized user, to continue displaying the image on the display part as long as the detecting part detects that the image display device is held by hand, and to erase the image on the display part when the user identifying part fails to identify the personal identification information of the authorized user by a personal identification performed upon detecting by the detecting part that the image display device is not held by hand.

Image display device and method for controlling the same

An organic transistor is disclosed that has an organic semiconductor layer patterned with high resolution. The organic transistor includes a gate electrode, a gate insulting film, a source electrode, a drain electrode, and an organic semiconductor layer formed of an organic semiconductor material. The gate electrode, the gate insulting film, the source electrode, the drain electrode, and the organic semiconductor layer are formed on a substrate. At least one of the source electrode and the drain electrode has an opening.

Organic transistor and active matrix display

A wiring pattern is disclosed including: a variable wettability layer including a material whose critical surface tension changes in response to energy provided thereto, the wettability changing layer including a high surface energy part exhibiting a high critical surface tension and a low surface energy part exhibiting low critical surface tension; and a conductive pattern layer formed on the variable wettability layer at the high surface energy part. The conductive pattern layer has an elongated shape with a chamfered corner part in a plan view.

Wiring pattern, electronic device, organic semiconductor device, layered wiring pattern, and layered wiring substrate using the wiring pattern

A method of manufacturing a multilayer wiring structure is disclosed. The method comprises a step of forming a via post on a first metal wiring element, a step of printing an interlayer insulation film on the first metal wiring element, with use of a screen mask having a non-ejection area slightly larger than a head of the via post, such that the interlayer insulation film has an upper surface at the level lower than the head of the via post, while generally aligning the non-ejection area with the head of the via post, a step of curing the interlayer insulation film, and a step of forming a second metal wiring element in contact with the via post on the interlayer insulation film such that the first metal wiring element and the second metal wiring element are connected through the via post.

Multilayer wiring structure and method of manufacturing the same

An off-current is reduced in an organic transistor, with which an organic transistor array is formed. A display apparatus is constructed using the organic transistor array. The organic transistor includes a substrate, a gate electrode, a separating electrode, a gate insulating film, a source electrode, a drain electrode, and an organic semiconductor layer. The organic transistor has a region in which the separating electrode and the organic semiconductor layer are laminated. A power supply is connected to the separating electrode.

Organic transistor, organic transistor array, and display apparatus

Multicolor display elements are disclosed that are adapted to full color electric papers, which comprises a display electrode, counter electrode, electrolyte, and display layer, wherein the counter electrode is disposed oppositely to the display electrode, the electrolyte is filled into a space provided between the display electrode and the counter electrode, the display layer is disposed on the surface, which faces the counter electrode, of the display electrode, the display layer contains plural electrochromic compositions in a condition that the plural electrochromic compositions are separated into plural layers within the display layer or are mixed together within the display layer, and at least one of threshold voltage for coloring condition and threshold voltage for decoloring condition, or at least one of charge amount required for coloring into a sufficient color density and charge amount required for sufficiently decoloring, are substantially different each other between the plural electrochromic compositions.

Multicolor display element

To provide a display device which includes: a display electrode; a counter electrode provided to face the display electrode; a display layer provided on the counter electrode-side surface of the display electrode; and an electrolyte provided between the display electrode and the counter electrode, wherein the display layer comprises conductive or semi-conductive fine particles, the fine particles comprise an insulating or semi-conductive substance attached to the surface thereof, and the fine particles carry an organic electrochromic compound.

Display device and display apparatus

An image display medium that includes a photoconductive layer containing a photochromic compound and an electron accepting compound; and a substrate, in which the photochromic compound contains a fulgide compound, and the electron accepting compound contains a compound selected at least from: a) a phosphonic acid compound having analiphatic group containing 12 or more carbon atoms; b) an aliphatic carboxylic acid compound having an aliphatic group containing 12 or more carbon atoms; and c) a phenolic compound having an aliphatic group containing 12 or more carbon atoms, a process for forming an image using the medium, and a multicolor image-forming apparatus using the medium and suitable for the process.

Image display medium, process for forming image, and multicolor image-forming apparatus

Growing community of inventors

Kanagawa, Japan

Ikue Kawashima