Patent ID: 6776497
Filing Date: 2004-08-17
Classification: F21V,G02B,G06F

Abstract:
An illumination system for a keyboard comprising:a light guide panel disposed within a display assembly of a computer system; said light guide panel has a first end and a second end wherein light from a light source enters said light guide panel from said first end and exits through said second end; a light guide tube coupled to said second end of said light guide panel, said light guide tube capturing said light that exits said second end and reflecting said light downward illuminating at least a portion of a keyboard of said computer system; and a plurality of holes created along an edge of a display chassis that houses said display assembly wherein said light captured and reflected by said light guide tube exits through said plurality of holes; and wherein said light guide tube comprises at least one optical fiber, said at least one optical fiber directing said light that exits said second end of said light guide panel downward to said keyboard.