Addressing liquid crystal cells

Details Addressing liquid crystal cells Addressing liquid crystal cells

G - Physics

09

G

375/39

G09G 3/36 (2006.01) G02F 1/133 (2006.01)

Patent

CA 1333506

The working temperature range of a 2um thick negative dielectric anisotropy smectic C phase filled ferroelectric liquid crystal cell that is addressed on a matrix basis with balanced bipolar data pulses and unipolar strobe pulses is extended by the inclusion of a temperature sensor to use the temperature of the cell to control the magnitudes of the data and strobe pulse waveforms and to provide, at least at high temperatures, a stabilisation waveform with a frequency twice the fundamental frequency of the data pulse waveform.

603901

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