abstract |
A driving method for a liquid crystal device of the type comprising arranged picture elements each comprising oppositely spaced electrodes, and a ferroelectric liquid crystal layer and a dielectric layer disposed between the electrodes, the ferroelectric liquid crystal layer having a resistance R(Ω) and a capacitance C 1 (F), the dielectric layer having a capacitance C 2 (F); wherein a driving voltage having a pulse duration ΔT(sec) set to satisfy the following formula (1) is applied to the picture elements: ##EQU1## wherein a is a coefficient satisfying the relationship of a<|-Va|/|V ON |, V ON is a value of voltage (volt) applied to a picture element at the time of writing, -Va is a value of voltage (volt) of a reverse polarity applied to the picture element after the application of the writing voltage V ON , b is a coefficient defined by the equation of b=|V 1 |/|V ON |, and V 1 is the inversion initiation voltage (volts) of the liquid crystal layer. |