35.2: Improvement on Fringe Field in VA Mode LCOS Panels

Peng, James; Wang, S. Y.; Wang, C. J.; Chang, Rex; Chang, George K.

doi:10.1889/1.2036242

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Fringe Field Effect1

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2005

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“…The disclination line phenomenon is much worse in Figure 8 where disclination lines are located at neighboring pixel. Based on the result from As the resolution goes higher, disclination line appeared more problematic in text sharpness and blurring [8]. To minimize the disclination problem, modify cell design with different liquid crystal and cell thickness can be effective in the present study.…”

Section: Fringe Field Effectmentioning

confidence: 87%

39.4: Fast Switching VA Mode LCOS for Single Panel Application

Liao¹,

Peng²,

Chiu³

2005

SID Symposium Digest

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Reflective LCOS (liquid crystal on silicon) microdisplays are widely used in various projection and near-eye application. For single panel projection system, liquid crystal response time is an important variable. The panel must switch fast enough to support field color sequential display with high field rates. In order to have fast response and good contrast, a vertical alignment (VA) cell was used in this study. In this study, we report cell design results of single panel VA mode LCOS.By simulation, with suitable selection on LC parameters like temperature, viscosity, elastic constant and birefringence, it is possible to get response time of around 2ms from a 2.0 um-thick vertical alignment cell. The experimental result also indicated good consistency with simulation from room temperature to 45 degree C.

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Section: Fringe Field Effectmentioning

confidence: 87%