1
Kevin J Hathaway, Richard M Knox Jr, Douglas A Arego, Gaylon R Kornfuerhrer: Faceted light pipe. Compaq Computer Corporation, Pravel Gambrell Hewitt Kimball & Krieger, September 24, 1991: US05050946 (259 worldwide citation)

A light pipe used for backlighting liquid crystal displays has a planar front surface and a stairstepped or faceted back surface. Light is injected from the ends of the light pipe from cold or hot cathode, apertured, fluorescent lamps. The cold cathode lamps are preferably insulated to raise their o ...


2
Hathaway Kevin J, Arego Douglas A, Knox Richard M Jr, Kornfuehrer Gaylon R: Faceted light pipe.. Compaq Computer, April 1, 1992: EP0478102-A2 (10 worldwide citation)

A light pipe (100) used for backlighting liquid crystal displays (D) has a planar front surface (110) and a stepped or faceted back surface (112). Light is injected from the ends (105) of the light pipe from cold or hot cathode, apertured, fluorescent lamps (108). The cold cathode lamps are preferab ...