Sony Corporation

Casio Computer Co., Ltd.

The Furukawa Electric Co., Ltd.

Masaru Higuchi

Yoshinori Nagasu

Hisaki Sakamoto

Susumu Kimura

Ying Bao Yang

Tsutomu Tanaka

Kazunori Yamaguchi

Masumitsu Ino

Hiromasa Suzuki

Tetsuo Muto

Tetsushi Yoshida

Hisashi Aoki

Yingbao Yang

Yasuhiro Daiku

Nobuaki Orita

Yoshikazu Okuno

Minoru Fujiwara

Yuko Okuno

Takafumi Suzuki

Norihisa Shibayama

Masaki Kondoh

Eiho You

A superconducting thin film having excellent critical current characteristics is provided. A substrate for a superconducting thin film includes a substrate body (A) having a main surface (B) in which the root mean square slope R&#x394;q of a roughness curve is 0.4 or less.

Substrate for superconductor thin film, superconductor thin film, and method for producing substrate for superconductor thin film

A peelable superconductive conductor comprising a superconductive conductor including a substrate and a superconducting layer which is formed on one principal surface of the substrate. The peelable superconductive conductor can further comprise a peelable carrier body, which is formed on a principal surface of the superconductive conductor on an opposite side of the surface on which the superconducting layer is formed.

Peelable superconductive conductor, production method of peelable superconductive conductor, and repair method for superconducting wire

A superconductive wire material substrate which is formed such that a surface roughness Ra of one surface is 10 nm or less, and a surface roughness Ra of an other surface is larger than the surface roughness Ra of the one surface, and is 8 nm or more and less than 15 nm, between the surface roughnesses Ra of both surfaces of the superconductive wire material substrate.

Superconductive wire material substrate, manufacturing method thereof and superconductive wire material

A method for producing a superconductive conductor includes: a base material preparation process of preparing a base material having a groove formed on at least one face thereof; a superconducting layer formation process of forming a superconducting layer on a surface of the base material at a side at which the groove is formed; and a cutting process of cutting completely through the base material along the groove.

Method of producing superconducting conductor, superconducting conductor, and substrate for superconducting conductor

A tape-shaped superconducting film-forming substrate is disclosed, which includes a film-forming face for forming a laminate including a superconducting layer thereon, a rear face that is a face at a side opposite to the film-forming face, a pair of end faces connected to the film-forming face and the rear face, and a pair of side faces connected to the film-forming face, the rear face, and the pair of end faces, in which each of the pair of side faces includes a spreading face that spreads toward an outer side in an in-plane direction of the film-forming face from an edge part of the film-forming face toward the rear face side. A superconducting wire and a superconducting wire manufacturing method are also disclosed.

Superconducting film-forming substrate, superconducting wire, and superconducting wire manufacturing method

Disclosed herein is a display apparatus including a display section; a light radiating section; a plurality of light converging lenses; and a plurality of light receiving devices, wherein the display section includes pixel areas each used for creating a pixel section, and sensor areas each used for creating one of the light receiving devices; the light radiating section outputs light and radiates the output light to the display section from a particular-side surface of the display section; each of the light converging lenses is created in one of the sensor areas each located in the display section and converges light generated by the light radiating section on a focal point inside the display section, passing on the converged light to the other-side surface of the display section; and each of the light receiving devices is created in one of the sensor areas to serve as a device for receiving light which arrives at the other-side surface of the display section as light reflected by a subject of detection.

Display apparatus

The present invention provides a backlight capable of suppressing loss of light from an invisible light source and a displaying/imaging apparatus using the same. The backlight includes: a light guide plate having a light emitting face and a rear face opposed to the light emitting face; a visible light source disposed on a side face of the light guide plate; an invisible light source disposed on a side face of the light guide plate; a first reflection film disposed on the rear face side of the light guide plate, reflecting light from the visible light source, and transmitting light from the invisible light source; and a second reflection film disposed on the rear face side of the light guide plate and reflecting light from at least the invisible light source out of the visible light source and the invisible light source.

Backlight and displaying/imaging apparatus

There is provided a display device, including a display panel; a first light emitting unit for inputting a first input light to the display panel based on a first light emitting signal; a second light emitting unit for inputting second input light to the display panel based on a second light emitting signal; and light emitting control unit for outputting the first light emitting signal, the second light emitting signal, the image signal corresponding to the first input light, and the image signal corresponding to the second input light; where the light emitting control unit performs output of the first light emitting signal and the image signal of the color corresponding to the first input light in synchronization in a first sub-frame, and performs output of the second light emitting signal and the image signal of the color corresponding to the second input light in synchronization in a second sub-frame.

Display device, display method, and electronic device

A surface emission apparatus includes a first light source for emitting invisible light rays; a second light source for emitting visible light rays; a light guide having a light entrance surface for entering therethrough into the light guide the invisible light rays emitted from the first light source and the visible light rays emitted from the second light source, and a light exit surface for emitting the invisible light rays and the visible light rays therethrough out of the light guide; and a plurality of optical devices disposed on a surface of the light guide which confronts the light exit surface, for scattering more of the invisible light rays than the visible light rays.

Surface emission apparatus, light guide, and method of manufacturing light guide

Disclosed herein is a display device including, a visual target, and a backlight adapted to illuminate the visual target from the rear, the backlight including, a plurality of first light sources, second light sources, and a light guide plate, wherein the light guide plate has a plurality of projecting portions on a side surface portion thereof upon which the light, produced by the plurality of first and second light sources is incident, the projecting portions being arranged, along the side surface portion and project toward the one side of the given direction, the plurality of first light sources are disposed to be opposed to the tip surfaces of the plurality of projecting portions, and the second light sources are disposed to be opposed to the bottom surfaces of recessed portions formed between the plurality of projecting portions.

Display device and optical device

A light-guiding plate has an incidence surface, an end surface formed on the side opposed to the incidence surface, and an optical surface having a surface opposed to the emission surface. The optical surface is constituted by a large number of continuous optical elements, each optical element having a curved surface which refracts part of light introduced from the incidence surface toward the end surface at a low angle along a plane parallel to the emission surface, and an inclined surface which refracts part of light refracted by the curved surface toward the emission surface.

Lighting panel having light-collecting function and display device using same

A display device includes a non light-emitting type display element for controlling the transmission of incident light to display an image, a light radiating unit having a light source and a photoconductor, and arranged at the back of the display element for emitting illuminating light toward the display element and reflecting ambient light incident from the front of the display element at a given reflectivity toward the display element. An illumination brightness controller is provided for controlling the intensity of the illuminating light so that the screen brightness of the display element comprising the total of reflected light of the ambient light reflected on the photoconductor and transmitted light of the illuminating light is set up into a predetermined range according to the reflectivity of the photoconductor and the environmental illumination of the ambient light radiated from the front of the display element.

Display device using ambient light a lighting panel

A reflection plate is provided which includes a reflection film having a flat reflection surface, and an optical film provided thereon. The optical film serves to converge and emit light which has entered therein, in a direction toward an observer. The optical film has first optical interfaces, which are provided to be inclined to a first direction with respect to a normal line of the reflection surface and to reflect or refract entering light, and second optical interfaces, which are provided to be inclined in a direction opposite to the first direction and to reflect or refract entering light. In addition, the optical film has an emission surface from which reflection light from the reflection surface and reflection light and/or refraction light from the first and second optical interfaces are emitted. A groove having a triangular cross-section is formed in the back surface side defined by the first and second optical interfaces. A liquid crystal display element is further provided on the reflection plate, thus constructing a liquid crystal display apparatus.

Reflection plate having directivity and a display apparatus using the same

An illumination panel comprises a light source, a photoconductor for guiding light from the light source, and an optical film for emitting light emitted from the photoconductor ahead of an observer. The photoconductor comprises a stepwise face having an incident end face onto which the light from the light source is projected, step faces, and step differentiating faces for emitting the light guided from the light source and connecting the step faces, and reflective films formed on the step faces. The optical film is arranged at the front side of the photoconductor, and has projected incident portions which are opposite to the step differentiating faces in a light emitting direction. The optical film emits the light emitted from the step differentiating faces ahead, and causes the light that is projected from the front to be reflected ahead on reflective faces on the step faces. In the incident portions, one of side faces opposite to the step differentiating faces of the photoconductor makes an incident face for receiving the light emitted from the step differentiating faces, and the other makes a refractive face for reflecting/refracting the light taken in the incident face toward its front face. A liquid crystal display element is arranged at the front of this illumination panel so that they constitute a liquid crystal display device.

Illumination panel and display device using the same

An optical guide inserted between a liquid crystal display panel and a diffusion plate is formed by using a large number of optical fibers each obtained by coating a core with a cladding layer, and its exit surface is inclined with respect to an incident surface by a predetermined angle .theta.1. Accordingly, in assembly, it suffices to incorporate this optical guide, thus facilitating the assembling operation. In this case, image light emerging from the exit surface of the optical guide obliquely upward to the left is refracted by a refractor in a direction perpendicular to the exit surface of the refractor.

Growing community of inventors

Tokyo, Japan

Masaru Higuchi