Patent ID: 6218776
Filing Date: 2001-04-17
Classification: H01J

Abstract:
A fluorescent lamp having an increased brightness through selective angular tuning of emitted light comprising:a substrate having end walls and side walls, such that said side walls and said end walls form an enclosed perimeter;a cover lid that is at least partially transparent fixedly attached to said substrate and forming an enclosure, said enclosure having an interior portion and an exterior portion;a diffuse channel milled in said substrate such that said diffuse channel is located in said interior portion of said enclosure, said diffuse channel shaped so that light exiting said cover lid is of enhanced brightness due to selective angular tuning;a plasma contained within said interior of said enclosure formed by fixedly attaching said cover lid to said lamp body, said plasma producing light upon application of an energy source; anda fluorescent material contained within said interior of said enclosure.