Patent ID: 8698754
Filing Date: 2014-04-15
Classification: H04M

Abstract:
1. A keypad for an electronic device, comprising: at least one or more light emitting elements for generating light in a plurality of colors; a diffusion ink layer provided above the light emitting elements; at least two or more overlapping ink layers provided on top of an upper surface of the diffusion ink layer that irradiate the keypad, wherein the ink layers selectively pass light of at least one particular wavelength corresponding to at least one of the plurality of colors generated by the light emitting elements, and cuts off light having wavelengths corresponding to a remainder of the plurality of colors generated by the light emitting elements when a folder is rotated or slid in a longitudinal or perpendicular direction relative to the keypad in which a controller controls irradiation of the keypad with respectively distinguishable colors of the plurality of colors based on a sensed position of the folder relative to the keypad; a transparent or semi-transparent ink layer provided on top of an upper surface of the ink layers; and a sheet film layer provided on top of an upper surface of the transparent or semi-transparent ink layer.