We present a method that enables dual threshold voltages in a vertical alignment liquid crystal device, through which the gamma shift can be reduced with no subsequent decrease in the contrast ratio. By forming polymer layers, the threshold voltage shift is accomplished through the utilization of the voltage drop effect. We expect that the proposed method can be applied to the conventional 4-domain mode in order to achieve an 8-domain mode without the need for complex driving schemes.
© 2012 Optical Society of Korea
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.2040) Instrumentation, measurement, and metrology : Displays
(160.3710) Materials : Liquid crystals
Original Manuscript: May 2, 2012
Revised Manuscript: May 29, 2012
Manuscript Accepted: May 30, 2012
Published: June 25, 2012
Sun-Wook Choi, Huilian Jin, Ki-Han Kim, Ji-Hoon Lee, Hoon Kim, Ki-Chul Shin, Hee-Seop Kim, and Tae-Hoon Yoon, "Formation of Dual Threshold in a Vertical Alignment Liquid Crystal Device," J. Opt. Soc. Korea 16, 170-173 (2012)
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