Ultraviolet illuminated fluorescent writing instrument

摘要

An illuminated writing instrument including a barrel having fluorescent pigment illuminated by a UV LED. An electrical power source such as a button cell and an electrical switch are electrically connected to the UV LED for selectively controlling the flow of electrical current between the power source and the LED. An upper housing connected to the barrel contains the power source, the electrical switch, and the UV LED. The fluorescent pigment of the barrel emits visible light in response to ultraviolet light.