Patent ID: 7192161
Filing Date: 2007-03-20
Classification: F21S,F21V,F21Y

Abstract:
1. An illumination device, comprising: a light source emitting light of a predetermined first hue; an elongated diffusing member substantially enclosing said light source; and an intermediate light-transmitting medium tinted with a predetermined combination of one or more light-fluorescing dyes and extending along and positioned between said light source and said diffusing member, said intermediate light-transmitting medium including a light-receiving surface for receiving light emitted from said light source and a light-emitting surface for emitting light into said diffusing member, each of said light-fluorescing dyes emitting light of a predetermined wavelength following absorption of light from said light source, wherein a collective light ultimately emitted from said diffusing member is of a second hue with a substantially uniform intensity along the predetermined length of said diffusing member.