A novel 8 domain driving technology

which had the feature of low circuit cost for VA mode TFT-LCD panel was proposed. Based on the feed through effect in TFT-LCD pixels

pixel A and pixel B can get different driving voltages by turning on/off TFTs using scanning signals with different gate shaping waveforms. Compared with the complicated conventional TT-type driving method which needs 2 sets gamma voltages to get different voltages for pixel A and pixel B

the circuit of the new driving method is simplified because it only need 1 set gamma voltage. The simulation result proved that 8 domain driving can be realized at different gray voltages

and the pixel structure neednt modify because TFTs in pixel A and pixel B turn on at same time

so that it have enough time to charge liquid crystal capacitors in comparison with conventional TT-type.