Panasonic Intellectual Property Management Co., Ltd.

Nitto-Denko Corporation

Panasonic Corporation

Kenta Watanabe

Toshiaki Kurachi

Atsushi Motoya

Naoki Tagami

Koji Omura

Katsuyuki Nagahama

Tomotake Nashiki

Mitsuru Nitta

Atsushi Kishi

Yoshihisa Nagasaki

Hiroshi Sugimoto

Shintaro Hayashi

Takahiro Hamada

Toshio Mori

Nozomi Fujino

Akiko Ogasawara

Takashi Maniwa

Akiko Sugino

Yoshihiko Ishida

Kazuhiro Matsuo

Hisao Kataoka

Hideyuki Yonezawa

Ran Zheng

Sachiko Azuma

Takeru Sakamoto

Seiji Yoshimura

A lighting device that is capable of illuminating in all directions includes: a case that includes a plurality of wall portions each including a face in a polygonal shape; a plurality of light-emitting elements that are provided in the plurality of wall portions and emit light toward outside of the lighting device; and a controller that controls the plurality of light-emitting elements separately. The case is of an outer shape that is spherical or polyhedral. The case includes bent portions that are bent in the outer shape of the case. The bent portions constitute at least three sides of the outer shape of the case.

Lighting device

A smart window control device controls transmittance of a smart window provided as a window of a space where a temperature is controlled by an air conditioning system in accordance with a set temperature. The smart window control device includes a processor, and a memory storing program instructions that cause the processor to obtain a predicted value of external environment information about outside of the space in an interval between a first time and a second time, the second time being when a predetermined time period has elapsed from the first time, calculate transition of the temperature of the space in the interval based on the predicted value of the external environment information in the interval, and control the transmittance of the smart window so that the temperature of the space in the interval transitions based on the calculated transition of the temperature.

Smart window control device, smart window control method, and smart window control program

An illumination control system includes an illumination device including light sources, and an illumination control device which is capable of individually controlling light emission of the light sources and includes: a measurer which obtains space information regarding a space in which the illumination device is to be installed and position information indicating a position at which the illumination device is to be installed inside the space; an information transmitter which transmits control information to the illumination device; and an information processor which optimizes control information for controlling a lighting mode of each of the light sources, according to an installation condition of the illumination device indicated in the space information and the position information.

Illumination control system

An electrochromic light adjusting member sequentially includes a transparent substrate, a light transmitting electrically conductive layer, and an electrochromic light adjusting layer. The light transmitting electrically conductive layer sequentially includes a first indium-based electrically conductive oxide layer, a metal layer, and a second indium-based electrically conductive oxide layer.

Electrochromic light adjusting member, light transmitting electrically conductive film, and electrochromic light adjusting element

The present invention provides a light control element which has a light weight and high reliability and can easily be bonded to a glass surface or the like. The light control element of the present invention includes a glass film, a light control layer, a resin film, and a pressure-sensitive adhesive layer in the stated order, wherein the light control element has a bending radius of from 20 mm to 100 mm, and wherein the glass film has a thickness of from 50 &#x3bc;m to 200 &#x3bc;m.

Dimming element including glass film

A wavelength conversion device is provided. The wavelength conversion device includes a light-transmissive substrate that includes an incidence surface and an emission surface opposite the incidence surface. The light-transmissive substrate is configured to receive, by the incidence surface, excitation light and emit, from the emission surface, the excitation light. A phosphor layer is configured to emit fluorescent light when excited by the excitation light emitted from the emission surface. The phosphor layer includes a first phosphor layer and a second phosphor layer. The first phosphor layer includes first phosphor particles. The second phosphor layer includes second phosphor particles configured to emit fluorescent light including a peak wavelength longer than a peak wavelength of fluorescent light emitted by the first phosphor particles. The first phosphor layer includes a refractive index different from a refractive index of the second phosphor layer.

Wavelength conversion device, light source device, lighting apparatus, and projection image display apparatus

A wavelength conversion device includes: a substrate; and a phosphor layer on the substrate. The phosphor layer includes: a base material; and a first phosphor and a second phosphor each of which emits fluorescent light when excited by excitation light. Where chromaticity coordinates of the fluorescent light emitted by the first phosphor and chromaticity coordinates of the fluorescent light emitted by the second phosphor are (x1, y1) and (x2, y2), respectively, &#x2212;0.02&#x2264;x1&#x2212;x2&#x2264;0.02 and &#x2212;0.02&#x2264;y1&#x2212;y2&#x2264;0.02 are satisfied. A peak wavelength of an excitation spectrum of the first phosphor is different from a peak wavelength of an excitation spectrum of the second phosphor.

A wavelength conversion member includes a substrate, a dichroic mirror layer, an SiOlayer, a ZnO layer, and a phosphor layer, which are sequentially stacked from the substrate. The dichroic mirror layer reflects at least part of light incident from the above. The phosphor layer includes a plurality of phosphors and ZnO between the phosphors.

Wavelength conversion member, light emitting device, projector, and method of manufacturing wavelength conversion member

An illumination light source includes a light emitting module having a light emitting part, a circuit unit, a base, a tube-like first housing member to accommodate the circuit unit, and a second housing member having a plurality of radiation fins. The light emitting module is disposed on one opening-side of the first housing member, while the base is disposed on the other opening-side. The second housing member includes a rotary ring body with a rotation axis agreeing with the center axis of the first housing member, and the plurality of the plate-lake radiation fins. The plurality of the radiation fins is parallel to one virtual plane containing the rotation axis, and disposed at intervals between each other in the direction orthogonal to the virtual plane. The inner wall of the rotary ring body surrounds the outer walls of the first and second housing members to combine the members.

Illumination light source

Light-emitting diode lamp

Growing community of inventors

Osaka, Japan

Kenta Watanabe