Back-lit display

Details Back-lit display Back-lit display

G - Physics

02

F

88/116

G02F 1/1335 (2006.01) F21S 8/00 (2006.01) F21V 7/00 (2006.01) F21V 8/00 (2006.01) G09F 13/14 (2006.01) G09F 13/04 (2006.01)

Patent

CA 2004047

FN 42085 CAN 5B Abstract of the Disclosure A back-lit display utilizes a light transmissive film having a smooth surface and a structured surface. The structured surface has a series of triangular prisms running parallel or concentric to one another. A reflector is placed adjacent to the smooth surface so that light entering the film at an angle that is close to parallel to the smooth surface will emerge from the film at a predetermined angle with respect to the incoming beam. A display, that could be a liquid crystal display, is positioned so that light reflected by the film passes through it.

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