Luminaire having optical transformer providing precalculated...

F - Mech Eng,Light,Heat,Weapons – 21 – V

Patent

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F21V 7/00 (2006.01) F21V 7/04 (2006.01)

Patent

CA 2408516

A highly efficient luminaire (100). The luminaire includes a light source (310) that emits light. The emitted light is redirected by a light transformer having a curved circular reflective interior surface (130), the reflective interior surface reflecting the light in a predetermined pattern. A substantial amount of light being may be reflected close to an axis coincident with a radial line defining a radius of the circular reflective interior surface. Additionally, a substantial amount of light may be reflected in a pattern with low divergency or parallel with an axis of the light transformer. The light is transmitted to the exterior of the luminaire by an optical window (110).

L'invention concerne un luminaire très efficace (100) comprenant une source lumineuse (310). La lumière émise est réorientée par un transformateur optique à surface interne réfléchissante circulaire incurvée (130) qui réfléchit la lumière selon un schéma prédéterminé. Une quantité de lumière substantielle peut être réfléchie à proximité d'un axe qui coïncide avec une ligne radiale définissant un rayon de la surface interne susmentionnée. Mais une quantité de lumière substantielle peut être réfléchie selon un schéma de faible divergence ou parallèlement à un axe du transformateur optique. La lumière est émise vers l'extérieur du luminaire via une fenêtre optique (110).

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