Thermosensitive display device

G - Physics – 09 – F

Patent

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Details

G09F 9/30 (2006.01) G02F 1/01 (2006.01) G02F 1/13 (2006.01) G09G 3/38 (2006.01)

Patent

CA 2322877

A thermosensitive display device including a thermosensitive material applied in a thin layer, and an array of resistors arranged on a thin flexible film. Each one of said resistors has a thin planar configuration and extends in the plane of said flexible film and essentially covers a square-shaped area. The resistors are arranged to emit heat energy all over said square-shaped area when fed with electricity. The thin layer with thermosensitive material is applied directly in thermal contact with the thin flexible film. The device further including means for controlling the temperature in each of said areas.

On décrit un dispositif d'affichage thermosensible qui comprend une matière thermosensible intégrée dans une couche mince, et un réseau de résistances disposé sur une couche mince souple. Chaque résistance présente une configuration mince planaire, s'étend sur le plan de ladite couche mince souple, et couvre généralement une zone carrée. Les résistances sont conçues pour émettre une énergie thermique sur l'ensemble de la zone carrée lorsqu'elles sont alimentées en courant. La couche mince comportant un matériau thermosensible est appliquée directement pour assurer un contact thermique avec la couche mince souple. Le dispositif inclut en outre un moyen pour réguler la température dans chacune desdites zones.

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