Patent ID: 6130511
Filing Date: 2000-10-10
Classification: C09K,H01J

Abstract:
A rare gas discharge lamp for generating amber light comprising:an envelope formed of a light transmissive material, the envelope having a wall defining an enclosed volume, a first electrode extending through the wall to contact the enclosed volume, a second electrode extending through the wall to contact the enclosed volume, the electrodes being sufficiently separated for producing a discharge therebetween, a neon gas fill contained within the enclosed volume, a pulse generator connected to the first and second electrodes for forming a discharge to electrically stimulate the neon gas fill; anda phosphor coating enclosed in the envelope; the phosphor coating comprising a phosphor formulated according to a general formula:Y.sub.3-(a+b+c) Ce.sub.a M.sub.b V.sub.c Al.sub.5 O.sub.12where M is Gd or La;V are lattice vacancies;0.01.ltoreq.a.ltoreq.0.08;0.60.ltoreq.b.ltoreq.2.4; and0.ltoreq.c.ltoreq.0.1.