Sharp Kabushiki Kaisha Corporation

Kyoto University

Yuhsuke Tsuda

Tsuyoshi Kamada

Tsuyoshi Maeda

Shohei Katsuta

Shun Ueki

Yasushi Asaoka

Emi Yamamoto

Hideomi Yui

Kiyoshi Minoura

Susumu Noda

Masayuki Fujita

Akiyoshi Fujii

Miho Yamada

Takahiro Nakahara

Yoshinori Tanaka

Yuhji Yashiro

Yuka Utsumi

Shintaro Miyanishi

Kazuyoshi Sakuragi

Shumpei Nishinaka

Masahiro Tsujimoto

Sho Ochi

Tomoko Nango

Hiroaki Shigeta

Hidetsugu Matsukiyo

Katsumi Kondoh

Kyohko Matsuura

A lighting device () according to an aspect of the invention includes a lighting unit (); and a mounting unit () for mounting the lighting unit () to a window frame (), in which the lighting unit () includes a lighting sheet () and a frame () supporting a peripheral portion of the lighting sheet (), in which the lighting sheet () includes a base material having optical transparency, a plurality of lighting portions having optical transparency which are provided in a first surface of the base material, and a void portion which is provided between the plurality of lighting portions, and in which a part of the side surface of the lighting portion facing the void portion serves as a reflecting surface reflecting light which is incident to the lighting portion.

Lighting device

A liquid crystal display device according to one aspect of the present invention includes a liquid crystal panel of a vertical alignment mode, and an optical control member disposed on a light-exiting side of the liquid crystal panel. The liquid crystal panel includes a plurality of pixels having at least two domains (), in which directors of liquid crystal molecules are in a first direction. An absorption axis of a first polarizing sheet and an absorption axis of a second polarizing sheet are a mutually orthogonal and form angle that is approximately 45&#xb0;. The optical control member includes a base, a light diffusion part, a light blocking layer and a low refractive index part. A planar shape of the light blocking layer () when seen from a normal line direction of the base has a straight line part parallel to the absorption axis (P, P) of one of the first polarizing sheet and the second polarizing sheet and a straight line part forming an angle of less than 45&#xb0; with the absorption axis (P, P) of one polarizing sheet.

Liquid crystal display device, optical control member, and base material for manufacturing optical control member

This light-diffusing member includes a light-transmissive substrate, a plurality of wavelength-controlling layers formed on one surface of the light-transmissive substrate, and a light-diffusing portion formed on the one surface of the light-transmissive substrate in a region other than a region where the wavelength-controlling layers are formed. The light-diffusing portion includes a light-emitting end-surface that makes contact with the light-transmissive substrate and a light-incident end-surface that is opposite to the light-emitting end-surface and that has an area greater than an area of the light-emitting end-surface, and is made of a photosensitive resin; a height of the light-diffusing portion from the light-incident end-surface to the light-emitting end-surface is greater than a thickness of the wavelength-controlling layers; and the wavelength-controlling layers have characteristics that an optical absorptance at a first wavelength in a ultraviolet wavelength band is higher than an optical absorptance at a second wavelength in a visible-light wavelength band.

Light-diffusing member, method for manufacturing light-diffusing member, and display device

A daylighting film () according to one aspect of the present invention includes a base member () having optical transparency, first projections () having optical transparency and formed on an inner surface () of the base member (), a second projection () formed on the inner surface () and having a height from the inner surface () higher than a height of the first projections (), a protective base member () arranged in an opposite relation to the inner surface () of the base member (), a bonding layer () for bonding the second projection () and the protective base member (), and gaps () defined between the first projections () and between the first projection () and the second projection (), wherein the first projections () include reflective surfaces () at which light incoming from an outer surface () side of the protective base member () or the base member () is totally reflected.

Daylighting film

Provided is a liquid crystal device including: a liquid crystal panel including a first substrate having a first vertical alignment film, a second substrate having a second vertical alignment film, a liquid crystal layer which is interposed between the first vertical alignment film and the second vertical alignment film and has a negative dielectric anisotropy, a first polarizing plate that is disposed on a light-incident side of the liquid crystal layer, and a second polarizing plate that is disposed on a light-emitting side of the liquid crystal layer; an illuminating device which is disposed on a light-incident side of the liquid crystal panel, and emits light toward the liquid crystal panel; and a light control member which is disposed on a light-emitting side of the liquid crystal panel, and diffuses light that is emitted from the liquid crystal panel in an azimuth angle direction and a polar angle direction viewed from a normal direction of the liquid crystal panel to control an emission direction of the light. The liquid crystal panel includes a plurality of pixels, each being a basic unit of display, and each of the pixels has a plurality of regions in which a director direction or an alignment of liquid crystal molecules at a central portion of the liquid crystal layer in a thickness direction during application of a voltage is different.

Liquid crystal display device having low viewing angle dependency

A cleaning solution is used, in a transparent antireflective structure that has, on one surface thereof, a plurality of convexities formed at a period equal to or shorter than wavelength in a visible light range, and that prevents, at the one surface, reflection of light entering the one surface, to clean a concavity defining a region between adjacent two of the plural convexities, the cleaning solution having a pH of 10.00 or more.

Cleaning solution, cleaning tool, and cleaning kit

A solar cell () of the present invention includes a photoelectric conversion layer () and a photonic crystal provided inside the photoelectric conversion layer () in order to have a photonic band gap. The photonic crystal has defects () in order to provide a defect level in the photonic band gap. Qwhich is a Q value representing a magnitude of a resonance effect yielded by coupling between the photonic crystal and an outside is substantially equal to Qwhich is a Q value representing a magnitude of a resonance effect yielded by a medium of the photoelectric conversion layer ().

Solar cell, solar cell panel, and device comprising solar cell

Growing community of inventors

Osaka, Japan

Yuhsuke Tsuda