Off-axis color shift in the dark state and gray scale inversion in an in-plane switching (IPS) liquid crystal display (LCD) device were investigated. Analyses were performed using the Poincaré sphere representation. The results show that color shift in the dark state and gray scale inversion in an IPS LCD can be reduced by using a biaxial film. We confirmed the extent of these improvements by measuring the optical performance of a fabricated IPS LCD.
© 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: August 8, 2012
Revised Manuscript: September 17, 2012
Manuscript Accepted: October 5, 2012
Published: December 25, 2012
Sung Il Park, Kyoung-Ho Park, Joun-Ho Lee, Jeong Hwan Yoon, Byeong Koo Kim, Byeong-Hun Yu, Ki-Han Kim, and Tae-Hoon Yoon, "Dark-state Color Shift and Gray Scale Inversion in an In-plane Switching Liquid Crystal Display Device," J. Opt. Soc. Korea 16, 409-413 (2012)
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