Diffractive display utilizing reflective or transmissive...

Details Diffractive display utilizing reflective or transmissive... Diffractive display utilizing reflective or transmissive...

G - Physics

02

B

G02B 5/18 (2006.01) G02B 27/18 (2006.01) G03B 21/00 (2006.01) G03B 21/12 (2006.01) G09F 9/37 (2006.01) H04R 17/08 (2006.01)

Patent

CA 2144996

The 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.

Affichage diffractif approprié pour la présentation de graphiques et affichages analogues. Ce nouvel affichage est réalisé à partir d'une configuration de diffraction (132) portée par un film ou élément (138) (par ex. un film nervuré) connecté à une source d'énergie excitable en vue du mouvement dudit film (138). Le mouvement du film (138) à configuration produit un affichage utilisant la lumière diffractée issue de la configuration nervurée (132). Les films électroactifs sont connus dans ce domaine et comprennent, par exemple, des films piézoélectriques, des films électrostrictifs, des films électromoteurs et des films électrostatiques. Les films magnétoactifs sont également connus dans ce domaine. N'importe lequel de ces films (138) peut porter la configuration de diffraction (132) et être excité en vue d'effectuer un mouvement à partir de la lumière de diffraction résultante.

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