F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
F21V 8/00 (2006.01) G02B 6/42 (2006.01)
Patent
CA 2109282
A thermally insulated distributed light network em- ploys an array of discrete, thermally insulative light guides (4) that are spaced slightly away from a central light source (6) and provide optical coupling to optical fibers (10) that have a lower thermal capability. The light guides can either be solid such as quartz, focusing lenses (24), or a combination of the two. The light re- ceiving ends of the light guides are preferably held by a specially designed coupler (2) so that the guides do not diverge from each other by more than the fibers' optical acceptance angle. The light guides are shaped so that their adjacent edges (22b,22c,22d) touch and form an enclo- sure around the light source, and the fibers are provided in bundles (14) with matching geometries. The network in- cludes an edge-lit display panel (30) that is illuminated by a fiber (10) that has either internal light scattering centers (38) in the form of reflective particles or gas bubbles, or a series of edge notches (36), to redirect light into the panel.
Hsu Tsung-Yuan
Yen Huan-Wun
Hughes Electronics Corporation
Sim & Mcburney
LandOfFree
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