F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
F21V 7/04 (2006.01) F21V 5/04 (2006.01) F21V 7/10 (2006.01) F21V 29/00 (2006.01) H05B 33/08 (2006.01)
Patent
CA 2638627
A radiating element for light panels, which radiating element is in tessera or tile form, with one of its faces forming the light radiation-emitting surface, which light radiation is emitted with an approximately even or constant distribution from said emitting surface, whereas said radiating element comprises a light source for sideward generation of light radiation, relative to the direction perpendicular or approximately perpendicular to the emitting surface, and with a 360° angular range about said source and the central axis perpendicular to the emitting surface as well as with a predetermined opening angle for emission of a peak radiation intensity, particularly a so-called radial emission generated, for example, by a so-called radial LED, which light source is held within the tessera or tile in a median position relative to the light radiation emission surface and in an intermediate position relative to the tessera or tile element and which tessera or tile element has means for reflection/scattering the radial light radiation in a direction incident upon the emission surface. The basic radiating element is composed of a half- shell shaped plate with a polygonal or round plan shape and with a concave reflection/scattering side facing towards the emitting surface and a convex side opposite said emitting surface, the central area of the shell having an opening for receiving the light source which has the radiating head within the depression of the concave side and at a focal point of said concave surface, so that the light radiation emitted from the emitting head of the light source in the sideward, i.e. radial direction, relative to the central axis of symmetry of the reflection/scattering means, is reflected/ scattered in a predetermined percentage in a direction incident upon an emitting surface oriented along a plane transverse, preferably perpendicular to the central axis of symmetry of the reflection/scattering means.
Gai Giorgio
Robic
LandOfFree
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