Active matrix type liquid crystal display system

G - Physics – 02 – F

Patent

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Details

G02F 1/136 (2006.01) G02F 1/1335 (2006.01) G02F 1/1343 (2006.01) G02F 1/1368 (2006.01)

Patent

CA 2180105

An active matrix type liquid crystal display system having a liquid crystal composition being interposed between a first and a second substrates, a plurality of pixel parts being constructed with a plurality of scanning electrodes and a plurality of signal electrodes arranged in a matrix, switching element being provided in each of the pixel parts, wherein the switching element is connected to the pixel electrode, the pixel electrode and the common electrode being so constructed as to be operable in keeping the major axes of the liquid crystal molecules parallel to the surface of the substrate, in the pixel part, the signal electrode and the pixel electrode being formed, a shield electrode being formed between the signal electrode and the pixel electrode. The system requires no transparent electrode, being excellent in visual angle characteristic, being high in contrast, being small in cross-talk producing probability.

Une composition de cristaux liquides est interposée entre les premier et second substrats. Des électrodes à balayage et des électrodes de signaux constituant une pluralité de pixels sont organisées en une matrice. Des transistors à commutation situés au niveau des pixels, et connectés aux électrodes de pixels, restent opérationnels pendant que l'axe majeur des molécules de cristaux liquides est maintenu par les électrodes de pixels dans une direction quasi parallèle aux surfaces des substrats. En outre, les pixels comportent intérieurement, les électrodes de signaux, les électrodes de pixels et les électrodes de protection placées entre chaque électrode de signal et auxquels il est toujours possible d'appliquer un potentiel depuis l'extérieur. Ce dispositif d'affichage à cristaux liquide ne nécessite pas d'électrode transparente, il présente d'excellentes propriétés visuelles et de contraste et est exempt de diaphonie.

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