Dual display with illuminating assembly for backlighting one...

G - Physics – 02 – F

Patent

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Details

G02F 1/13357 (2006.01) G02B 6/00 (2006.01) G02B 26/00 (2006.01)

Patent

CA 2576177

Various devices and methods of lighting a display are disclosed. In one embodiment, for example, a display device includes a transmissive display configured to be illuminated through a back surface and a reflective display configured to be illuminated through a front surface. A light source is disposed with respect to the back of the transmissive display to illuminate the transmissive display through the back surface. A light pipe is disposed with respect to the light source to receive light from the light source and is configured to propagate the light such that this light provides front illumination of the reflective display.

La présente invention décrit divers dispositifs et procédés d'éclairage d'un afficheur. Dans un mode de réalisation, par exemple, un dispositif d'affichage comprend un afficheur par transmission, configuré pour être éclairé au travers d'une surface arrière, et un afficheur par réflexion, configuré pour être éclairé au travers d'une surface avant. Une source lumineuse est placée par rapport à l'arrière de l'afficheur par transmission afin d'éclairer l'afficheur par transmission au travers de la surface arrière. Un tube de lumière est disposé par rapport à la source lumineuse pour recevoir la lumière provenant de la source lumineuse, et il est configuré pour assurer la propagation de la lumière de telle sorte que cette lumière fournisse un éclairage par l'avant de l'afficheur par réflexion.

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