Process for producing a liquid crystal display

G - Physics – 03 – C

Patent

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G03C 5/00 (2006.01) G02F 1/13 (2006.01) G02F 1/1335 (2006.01) G03C 7/12 (2006.01)

Patent

CA 2213294

A process for the production of a liquid crystal display device having a color filter comprises assembling comprising, in order, afirst support member, a plurality of first electrodes secured to the first support member, a liquid crystal layer, at least one second electrode and a second, substantially transparent support member. An imageable layer which, upon exposure to actinic radiation, can form three different colors, is disposed between the first and second support members, and the assembly is exposed to actinic radiation so as to produce in the imageable layer a plurality of filter elements of first, second and third colors, these filter elements being aligned with the first electrodes, thereby forming the color filter in situ between the first and second support members.

Un procédé de production d'un dispositif d'affichage à cristaux liquides présentant un filtre couleur consiste à assembler, par ordre, un premier élément de support, une pluralité de premières électrodes fixées au premier élément de support, une couche de cristaux liquides, au moins une seconde électrode et un second élément de support sensiblement transparent. Une couche de formation d'image qui, lors d'une exposition à un rayonnement actinique, peut former trois couleurs différentes, est disposée entre les premier et second éléments de support, et l'ensemble est exposé à un rayonnement actique de manière à produire, dans la couche de production d'image, une pluralité d'éléments filtrants d'une première, d'une seconde et d'une troisième couleur, ces éléments filtrants étant alignés avec les premières électrodes, formant ainsi le filtre couleur in situ entre les premier et second éléments de support.

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