Light transmitting colored display part

G - Physics – 09 – F

Patent

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Details

G09F 13/04 (2006.01) G02B 5/30 (2006.01) G09F 13/12 (2006.01)

Patent

CA 2343647

A light-transmitting colored display part characterized by comprising a filter layer which provides a transmitting light and a reflection light different from each other in tone and texture, and is provided on a light transmitting portion of a light transmitting display part used in an electronic appliance and the like provided with a light source, the light-transmitting colored display delivering a glossy feel or a transparency as the light source is turned on or off, with its tone varying with a viewing angle. The filter layer preferably uses a cholesteric liquid crystal film. Accordingly, a light- transmitting colored display part having a high texture and deep tone and being excellent in appearance is provided.

L'invention concerne un élément afficheur de couleurs émettant de la lumière qui comprend une couche filtre fournissant une lumière d'émission et une lumière réfléchissante différentes l'une de l'autre en tonalité et en texture et est présenté sur une partie émettrice de lumière d'un élément afficheur émettant de la lumière utilisé dans un appareil électronique et analogue doté d'une source lumineuse. L'afficheur de couleurs émettant de la lumière présente un aspect lustré ou une transparence lorsque la source lumineuse est allumée ou éteinte, la tonalité variant en fonction de l'angle de vue. De préférence, la couche filtre utilise un film à cristaux liquides cholestériques. L'invention concerne par conséquent un élément afficheur de couleurs émettant de la lumière ayant une texture élevée et une tonalité profonde et de bel aspect.

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