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A blacklight poster or black light poster is a poster printed with inks which fluoresce under a blacklight. [1] The inks used contain phosphors which cause them to glow when exposed to ultraviolet light emitted from blacklights.
Black light paints and inks are commonly used in the production of black light posters.Under daylight, the poster may or may not be vibrant in color, but under black light (with little or no visible light present), the effect produced can be psychedelic.
A blacklight, also called a UV-A light, Wood's lamp, or ultraviolet light, is a lamp that emits long-wave ultraviolet light and very little visible light. [ 1 ] [ 2 ] [ 3 ] One type of lamp has a violet filter material, either on the bulb or in a separate glass filter in the lamp housing, which blocks most visible light and allows through UV ...
The brothers established the Fluor-S-Art Co. in 1934 to develop and sell black light paints for advertising purposes. [ 3 ] [ 4 ] They later partnered with Continental Lithograph (a subsidiary of Warner Brothers Pictures ) of Cleveland, Ohio, to develop fluorescent paints for movie posters and advertising displays. [ 5 ]
These UV wavelengths are found in sunlight and many artificial lights, but the paint requires a special black light to view so these glowing-paint applications are called 'black-light effects'. Fluorescent paint is available in a wide range of colors and is used in theatrical lighting and effects, posters, and as entertainment for children.
Examples of other psychedelic art material are tapestry, blacklight posters printed with fluorescent ink against backgrounds of velvet black which are intended for display under an ultraviolet lamp which causes the colors to glow in the dark, paisley printed cloths, tie-dyed or batiked curtains and stickers with designs and slogans written in ...