Discharge lamp having two-band phosphor

Details Discharge lamp having two-band phosphor Discharge lamp having two-band phosphor

H - Electricity

01

J

H01J 61/42 (2006.01) C09K 11/08 (2006.01) C09K 11/80 (2006.01) H01J 1/62 (2006.01) H01J 61/48 (2006.01) H01J 63/04 (2006.01) H01J 65/00 (2006.01)

Patent

CA 2470301

A discharge lamp (1) having a discharge vessel (2) that surrounds a discharge medium that emits electromagnetic radiation in the VUV region during operation of the lamp, has on the inner side of the discharge vessel wall a yellow phosphor layer facing the discharge medium, and a blue phosphor layer lying therebelow. By contrast with a conventional three-band phosphor mixture, a higher luminous flux and a smaller color locus displacement are thereby achieved. (Figure 1a)

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