Reflective image-providing display viewed with...

Details Reflective image-providing display viewed with... Reflective image-providing display viewed with...

G - Physics

02

F

G02F 1/133 (2006.01) G02B 5/32 (2006.01) G02F 1/1335 (2006.01) G03H 1/00 (2006.01)

Patent

CA 2195862

Reflective image-providing displays viewed with holographically diffused light are provided. As one particular and preferred embodiment, a liquid crystal display component is presented comprising a liquid crystal display element (200) backed with a reflective transmission holographic diffuser (100). Images of good contrast may be displayed and viewed from the liquid cyrstal display compoonent under ambient lighting conditions and without further requirement of supplemental light sources, such as edge-lighting and backlighting.

L'invention concerne des affichages produisant une image réfléchie visible à la lumière ambiante diffusée holographiquement. Dans une forme d'exécution particulière et préférée, un dispositif d'affichage à cristaux liquides comporte un élément d'affichage (200) à cristaux liquides portant à l'arrière un diffuseur holographique (100) assurant une transmission en réflexion. On peut ainsi obtenir des images présentant un bon contraste avec un dispositif à cristaux liquides en n'utilisant que la lumière ambiante et sans éclairage artificiel additionnel, tel qu'un éclairage latéral ou arrière.

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