![]() ![]() Characteristics and uses īlack light paints and inks are commonly used in the production of black light posters. ![]() naval carriers to allow planes to land at night. During World War II, black light fluorescent paints were used on U.S. The first commercial uses of black light fluorescent paints were for store displays and movie theaters. ‘Day-Glo’ is a registered trademark of the Day-Glo Color Corporation. The brothers founded the Fluor-S-Art Company, later named Day-Glo Color Corp., to develop and sell their products. The first use of these paints was for Joseph's amateur magic shows. They brought a black light into the storeroom of their father's drugstore looking for naturally fluorescing organic compounds and mixed those compounds with shellac to develop the first black light fluorescent paints. Joseph, who was a chemistry major at the University of California, Berkeley, worked with Robert to investigate fluorescent compounds. His doctor confined him to a dark room while he waited for his sight to recover. After a fall, Robert suffered a severe head injury that resulted in a severed optic nerve. The invention of black light paint is attributed to brothers Joseph and Robert Switzer in the 1930s. Black light paint should not be confused with phosphorescent (glow-in-the-dark) or daylight fluorescent paint. The paint may or may not be colorful under ordinary light. It is based on pigments that respond to light in the ultraviolet segment of the electromagnetic spectrum. Bodypainting with fluorescent paintīlack light paint or black light fluorescent paint is luminous paint that glows under a black light. JSTOR ( August 2008) ( Learn how and when to remove this template message)įluorescent paintings lit by black light.Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification. ![]()
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