Illuminator, led illuminator, and imaging device with illuminator

A lighting device and imaging technology, applied in lighting and heating equipment, components of lighting devices, lighting devices, etc., can solve the problems of increased waste area, narrow imaging range, waste, etc., and achieve sufficient and uniform illumination Effect
CN1916485AInactive Publication Date: 2007-02-21KK TOSHIBA
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
KK TOSHIBA
Publication Date
2007-02-21
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention comprises an imaging mechanism, and an LED illuminator which emits illuminating light to an imaging area of the imaging mechanism. The LED illuminator includes a light emitting module having light emitting elements arranged therein, a Fresnel lens which brings light from the light emitting module into parallel rays of light, a pair of lens arrays arranged in a direction of light coming from the light source, the pair of lens arrays shaping the parallel rays of light produced by the Fresnel lens into a rectangle, and an adjustment mechanism which adjusts an interval between the lens arrays in accordance with an imaging area of the imaging mechanism.
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Description

[0001] Cross References to Applications

[0002] This application is based on, and claims priority from, the prior Japanese Patent Application No. 2005-236005 filed on August 16, 2005 and the prior Japanese Patent Application No. 2005-370844 filed on December 22, 2005, The entire contents of these patents are incorporated herein by reference. technical field

[0003] The present invention relates to an illuminating device used as a light source for a projector, a digital camera, etc., and an imaging device with the illuminating device, and more particularly to an illuminating device designed so that even when an LED having a relatively low output is used as a light emitting element It is also possible to obtain a lighting device having illumination with sufficient illuminance. Background technique

[0004] The LED lighting device uses a light emitting module in which a plurality of LED elements (light emitting elements) are mounted on one substrate, and is known to have var...

Claims

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