Lighting apparatus

A lighting apparatus comprising a support, a light source having an emission surface and disposed in the support, a lens disposed to face the emission surface of the light source, and a half-mirror film provided on at least a surface of the lens, the half-mirror film being a thin film comprising a m...

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Bibliographic Details
Main Author SHIMURA TAKASHI
Format Patent
LanguageEnglish
Published 27.02.2007
Subjects
BASIC ELECTRIC ELEMENTS
BLASTING
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
FREQUENCY-CHANGING
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF
HEATING
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED
LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL
LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE
LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATINGELEMENTS
LIGHTING
MECHANICAL ENGINEERING
NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE
NON-LINEAR OPTICS
NON-PORTABLE LIGHTING DEVICES
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICAL LOGIC ELEMENTS
OPTICS
PHYSICS
SEMICONDUCTOR DEVICES
STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR
SYSTEMS THEREOF
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS
WEAPONS
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Summary:A lighting apparatus comprising a support, a light source having an emission surface and disposed in the support, a lens disposed to face the emission surface of the light source, and a half-mirror film provided on at least a surface of the lens, the half-mirror film being a thin film comprising a metallic material such as aluminum, the lens being a light-focusing lens, the lens having a peripheral part and a central part, the peripheral part including a lens surface comprising a smoothly curved surface, and the central part including a Fresnel lens surface.
Bibliography:Application Number: US20050076438