C.r.f. Societa Consortile Per Azioni

Centro Ricerche Plast-optical S.r.l.

Gianluca Rotaris

Sabino Sinesi

Piermario Repetto

Stefano Bernard

Davide Capello

Denis Bollea

Michele Antonipieri

Silvia Priante

Patrizia Melpignano

An optical element and module for the projection of a light beam, and motor vehicle lamp including a plurality of such modules An optical element for the projection of a light beam comprises a solid body () of transparent material in which is formed a cavity () able to receive a light source (), the cavity () extending along the principal axis (z) of the transparent body () and being delimited by a radially inner surface () and a terminal surface () of the transparent body (). The surfaces () are able to receive separate respective portions (I, II) of the light flux generated by the source (). The transparent body () further has a radially outer surface () which surrounds the radially inner surface (). The radially outer surface () reflects the portion of the light flux (I) coming from the radially inner surface () along a direction substantially parallel to the principal axis (z). The transparent body () has, on the opposite side, a central surface () and an annular surface () surrounding the central surface (), able to receive that portion (II) of the light flux and the reflected portion of the light flux (I) respectively and to transmit these light flux portions (I, II) in directions having predetermined orientations with respect to the principal axis (z). At least one of the surfaces () is rotationally asymmetric with respect to the principal axis (z) of the transparent body (). The surfaces () cooperate in such a way as to shape the overall light flux (I, II) emitted by the central and annular surfaces () into a light intensity distribution having different divergences in two 25 directions perpendicular to one another and to the principal axis (z).

Optical element and module for the projection of a light beam, and motor vehicle lamp including a plurality of such modules

A light device, for example in the form of a light panel for road signals or in the form of a motor-vehicle light, comprises an array of light sources, such as LEDs or the like. Associated to each light source is an optical system consisting of a refractive lens of a plane-convex type having a plane face facing the light source, in which a diffuser of a refractive or diffractive micro-optical type is incorporated.

Light device, particularly a light panel for road signs or information to the public, or a motor-vehicle light

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Orbassano, Italy

Gianluca Rotaris