Aquarium lighting

Details Aquarium lighting Aquarium lighting

C - Chemistry, Metallurgy

09

K

31/106, 313/81

C09K 11/77 (2006.01) A01K 63/06 (2006.01) H01J 61/44 (2006.01)

Patent

CA 2000316

ABSTRACT OF THE DISCLOSURE A fluorescent lamp for use in aquaria, the luminescent layer in said lamp comprising a mixture of red, green and blue phosphors, the red phosphor emitting predominantly in the spectral region of from 610 nm to 620 nm, the green phosphor emitting predominantly in the spectral region of from 540 nm to 545 nm and the blue phosphor having a peak emission wavelength between 430 nm and 480 nm with the half peak width not exceeding 80 nm, said red, green and blue phosphors being blended to form said mixture in such proportions that the colour co-ordinates of the lamp employing said mixture on the CIE chromaticity diagram differ from the point x equals 0.300 and y equals 0.232 in any direction by no more than 10 standard deviations of colour matching (SDCM). Aquaria employing such lamps are also disclosed and claimed.

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