Patent ID: 6239776
Filing Date: 2001-05-29
Classification: G01R,G09G

Abstract:
A method for illuminating a multicolor display system which includes a plurality of display elements, each said display element including a plurality of display areas arranged in a pattern for exhibiting, upon selective activation, a plurality of display units, each said display area including a plurality of light emitting diodes for emitting, when forwardly biased, light signals of a plurality of primary colors, respectively, and means for combining said light signals in said display area to obtain a light signal of a composite color, a plurality of enable devices equal in number to the plurality of said display elements and respectively associated therewith, each said enable device including an enable input, for receiving an enable signal of a predetermined value, for allowing said light emitting diodes in said display element to be forwardly biased, each said display element further including a color control input for receiving a color control signal, for illuminating said display element, when enabled by said enable signal, in a color in accordance with said color control signal, the method comprising the steps of:commonly applying said color control signal to the color control inputs of all said display elements; andselectively presenting said enable signal to said enable input of a certain one of said display elements, for causing it to illuminate a display unit in a color in accordance with said color control signal.