Glow sticks also serve multiple functions as toys, readily visible night-time warnings to motorists, and luminous markings that enable parents to keep track of their children. They are used by marching band conductors for evening performances glow sticks are also used in festivals and celebrations around the world. They are frequently used for entertainment at parties (in particular raves), concerts, and dance clubs. Most glow sticks seen today are now made in China.
Leveraged buyout of American Cyanamid's chemical light division in 1994 and became the leading supplier of glow sticks worldwide until going out of business in 2014. In the early 1980s the majority of glow sticks were produced in Novato, California by Omniglow Corp. This design, with its single glass ampoule inside a plastic tube filled with a second substance that when bent breaks the glass and then is shaken to mix the substances, most closely resembles the typical glow stick sold The idea was this would replace traditional emergency roadsideįlares and would be superior, since it was not a fire hazard, would be easier and safer to deploy, and would not be made ineffective if struck by passing vehicles. The design also included a stand for the signal device so it could be thrown from a moving vehicle and remain standing in an upright position on the road. Later 1976 patent recommended a single glass ampoule that is suspended in a second substance, that when broken and mixed together, provide the chemiluminescent light.
Several US patents for glow stick-type devices were issued in 1973-74. Chandross of Bell Labs.Įarly work on chemiluminescence was carried out at the same time, by researchers under Herbert Richter at China Lake Naval Weapons Center. Rauhut, ofĪmerican Cyanamid, based on work by Edwin A. Historyīis(2,4,5-trichlorophenyl-6-carbopentoxyphenyl)oxalate, trademarked "Cyalume", was invented in 1971 by Michael M. Industrial uses include marine, transportation, and mining. Glow sticks are also used for light in military andĮmergency services applications. Glow sticks are often used for recreation, such as for events, camping, outdoor exploration, and concerts. The light cannot be turned off and can be used only once. It consists of a translucent plastic tube containing isolated substances that, when combined, make light throughĬhemiluminescence. A glow stick, also known as a light stick, chem light, light wand, light rod, and rave light, is a self-contained, short-term light-source.
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