DIFFRACTIVE DISPLAY UTILIZING REFLECTIVE OR TRANSMISSIVE LIGHT YIELDING SINGLE PIXEL FULL COLOR CAPABILITY

摘要

PCT No. PCT/US94/07584 Sec. 371 Date Mar. 13, 1995 Sec. 102(e) Date Mar. 13, 1995 PCT Filed Jul. 12, 1994 PCT Pub. No. WO95/02838 PCT Pub. Date Jan. 26, 1995The present invention is directed to a diffractive display suitable for presenting graphic and the like displays. Broadly, the novel display is realized from a diffraction pattern (132) carried by (e.g. embossed) a film or element (138) connected to an energy source which is energizable for movement of the film (138). Movement of the patterned film (138) generates a display using the diffracted light from the embossed pattern (132). Electroactive films are known in the art, including, for example, piezoelectric films, electrostrictive films, electromotive films, and electrostatic films. Magnetoactive films also are known in the art. Any of these films (138) can carry the diffraction pattern (132) and be energized for movement to generate from the resulting diffracted light.