LIGHT-BEAM SHAPER
First Claim
1. An optical device for imparting an elongate shape to a light beam, said optical device comprising a lens (2) having (i) an entry diopter (3, 301, 302) and (ii) an exit diopter (4, 400) which comprises a first convergent section (41, 401), a second convergent section (42, 402) and a divergent section (43, 404) bridging said first and second convergent sections.
4 Assignments
0 Petitions
Accused Products
Abstract
The invention relates to an optical device for imparting an elongate shape to a light beam emitted by a LED, and to street luminaries which comprise such optical devices. The optical device comprises a lens (2) having an entry diopter (3) and an exit diopter (4) which comprises a first convergent section, a second convergent section and a divergent section bridging said first and second convergent sections.
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Citations
10 Claims
- 1. An optical device for imparting an elongate shape to a light beam, said optical device comprising a lens (2) having (i) an entry diopter (3, 301, 302) and (ii) an exit diopter (4, 400) which comprises a first convergent section (41, 401), a second convergent section (42, 402) and a divergent section (43, 404) bridging said first and second convergent sections.
Specification