| 摘要 |
An exemplary method of driving a liquid crystal display device (LCD) ( 10 ). The LCD device includes pixel regions ( 105 ), and a light source ( 160 ) each including a pixel electrode. The driving method includes: dividing a frame period into at least three sub-frame periods, the light source emitting at least three different primary color rays in the at least three sub-frame periods respectively, and applying a data signal to each pixel electrode in each sub-frame period. The data signal comprises a constant high voltage and a constant low voltage. When the data signal is on high voltage, the corresponding primary color rays transmit through the corresponding pixel region at a constant transmission ratio. When the data signal is on low voltage, substantially no color rays transmit through. The duration of the corresponding primary color rays transmitting through the corresponding pixel region is controlled by a duty cycle of the data signal.
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