Lighting lens and lighting device equipped with the same

Details Lighting lens and lighting device equipped with the same Lighting lens and lighting device equipped with the same

2011-05-03

2011-05-03

O Shea, Sandra L (Department: 2875)

Illumination

Light source and modifier

Including translucent or transparent modifier

C362S311010, C362S311060, C362S317000, C362S327000, C362S335000

Reexamination Certificate

active

07934858

ABSTRACT:
A lighting lens can sufficiently suppress unevenness color and improve light use efficiency. This light lens has: first incidence surface20that is orthogonal to the optical axis; second incidence surface21that expands the radius toward the light emitting element8side; total reflection surface22that expands the radius toward the emitting side; first emission surface24that mainly emits light incident on first incidence surface21, toward illuminated surface18; and second emission surface25that emits light incident on a second incidence surface, toward illuminated surface18, and forms second emission surface25such that positive power in second emission surface25is weaker than positive power of first emission surface24.

REFERENCES:
patent: 2007-005218 (2007-01-01), None

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