G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/00 (2006.01) B29C 59/02 (2006.01) B29C 59/04 (2006.01) B29D 11/00 (2006.01) F21V 8/00 (2006.01) G02B 6/255 (2006.01) G02B 6/42 (2006.01) G02B 6/28 (2006.01)
Patent
CA 2471945
Light fibers (10) comprising: (a) an elongate polymeric core (12) having an input end (20) for receiving light from a light source, an output end (23) for emitting light transmitted through the core (12), and a lateral surface extending along a longitudinal axis of the core (12) between the input end (20) and the output end (23); (b) a light-emitting region (26) directing light traveling though the light fiber (10) out of at least a portion the lateral surface of the light fiber (10) in a direction generally transverse to the longitudinal axis (11), the light-emitting region (26) comprising at least one optical element (16); and (c) a continuous outer cladding layer (14) comprising a polymeric material having a lower index of refraction than the core extending over the lateral surface of the core (12) and the optical elements (16). Methods of making the light fibers using an embossing process are also reported.
L'invention concerne des fibres optiques comprenant (a) un noyau polymre allong~ pr~sentant une extr~mit~ d'entr~e con×ue pour recevoir la lumire provenant d'une source lumineuse, une extr~mit~ de sortie con×ue pour ~mettre la lumire transmise ~ travers le noyau, et une surface lat~rale qui s'~tend le long d'un axe longitudinal du noyau entre l'extr~mit~ d'entr~e et l'extr~mit~ de sortie; (b) une zone ~lectroluminescente qui achemine la lumire traversant la fibre optique en dehors d'au moins une partie de la surface lat~rale de la fibre optique dans une direction essentiellement transversale ~ l'axe longitudinal; la zone ~lectroluminescente comprenant au moins un ~l~ment optique; et (c) une couche de gainage ext~rieure continue contenant un mat~riau polymre pr~sentant un indice de r~fraction plus bas que le noyau, laquelle couche s'~tend sur la surface lat~rale du noyau et sur les ~l~ments optiques. Cette invention concerne ~galement des proc~d~s de fabrication de ces fibres optiques par gaufrage.
Gozum John E.
Reid Thomas J.
Uhl Gerald L.
Wegleitner Raymond C.
3m Innovative Properties Company
Smart & Biggar
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