Patent ID: 7301112
Filing Date: 2007-11-27
Classification: H01H

Abstract:
1. In an illuminating keyboard having an assembly board, a thin film circuit board securely mounted on top of the assembly board, a plastic plate mounted on top of the thin film circuit board for positioning thereon keys, a base securely attached to a bottom of the assembly board and a light enhancing plate securely attached to a bottom face of the base, wherein the improvement comprises: an illumination device mounted between the assembly board and the base and has at least one light tube with two ends, at least two light emitting diodes each connected to a corresponding one of the two ends of the at least one light tube and at least one circuit board with the at least two light emitting diodes mounted thereon such that light from the at least two light emitting diodes is emitted through the assembly board, the thin film circuit board and the plastic plate to light the keys.