PURPOSE: To display different patterns, etc., by changeover of light sources.
CONSTITUTION: Two kinds of light sources 2 are installed in a housing 1 and patterns, etc., on a decorative plate 3 mounted at the opening of the housing 1 are emitted. Two kinds of light sources 2 are composed of a fluorescent lamp for visible light source 4 and a fluorescent lamp for near UV light source 5. Changeovers between both fluorescent lamps 4, 5 are performed by a switch 6. In the decorative plate 3, patterns, etc., by a first and second color developing layers 7, 8 are separately formed on the plate by properly using a colorant developing by visible rays and a colorant developed by near UV rays. The first patterns, etc., formed by the first color developing layer 7 and the second patterns, etc., formed by the second color developing layer 8 are selectively emitted by the changeover of lightening of the light sources 2.
SUZUKI TEIICHI
SAKAMOTO SHIRO
| JPS626776B2 | 1987-02-13 | |||
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