Light irradiation apparatus

Details Light irradiation apparatus Light irradiation apparatus

2011-03-01

2011-03-01

Shea, Sandra L O (Department: 2875)

Illumination

Light source and modifier

Adjustable or repositionable modifier

C362S231000, C362S245000, C362S308000

Reexamination Certificate

active

07896524

ABSTRACT:
The invention provides a light irradiation apparatus that can adjust widening
arrowing of a light irradiation area and can guide almost whole of light emitted from an LED to the light irradiation area.The apparatus has an LED11and an optical unit2for making light for the LED11pass through itself and emit from its apical surface21, and is equipped further with a supporting body1A for holding the LED on the apical surface and a position adjustment mechanism for adjusting a relative position of the optical unit2to the LED11along an optical axis C direction. The apparatus is configured so that the potion adjustment mechanism make the optical unit2move relative to the LED11between a proximity position P1at which a part or the whole of the supporting body1A is housed in a base end recess25and a clearance position P2at which substantially whole of the supporting body1A comes out of the base end recess25so that the apical surface of the supporting body1A and a base end face22of the optical unit2become substantially the same height.

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