Liquid crystal display

Details Liquid crystal display Liquid crystal display

G - Physics

02

F

345/8

G02F 1/137 (2006.01) C09K 19/02 (2006.01) G02F 1/139 (2006.01)

Patent

CA 1280195

Abstract A liquid crystal display (LCD) cell comprising a highly twisted nematic liquid crystal disposed between two electrode plates and polarizers and having a positive dielectric anisotropy. The optical path difference .DELTA..d is 0.2 to 0.7 µm and the ratio d/P of thickness to pitch is 0.2 to 0.6. The absolute value of the twist angle can be between 120° and 260° for a right-hand twist or left-hand twist, the angle ? between the polarizers can be between 0° and 180° and the angle .beta. between the surface orientation direction and the polarization direction on the screen on the light incidence side can be between 0° and 360°.

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