Blue incandescent appliance lamp

Details Blue incandescent appliance lamp Blue incandescent appliance lamp

H - Electricity

01

K

H01K 1/32 (2006.01) H01J 5/16 (2006.01) H01J 61/40 (2006.01)

Patent

CA 2412798

An electric lamp (10) which emits a blue color when energized and which comprises a light transmissive envelope (12) enclosing an electric light source (16) within, said envelope (12) having a surface (11) on which is a coating comprising sulfate precipitated silica, aluminum silicate pigment, and cobalt blue aluminate spinel. The lamp is useful in appliances such as refrigerators.

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