A novel design to eliminate fringe field effects for liquid crystal on silicon

Wei Yang Chou, Ching Hsiang Hsu, Shang Wen Chang, Hsin Chun Chiang, Tsan Yu Ho

研究成果: Article同行評審

10 引文 斯高帕斯(Scopus)

摘要

We recently developed a new liquid crystal mode which implements finger-on-plane (FOP) type common electrodes that are fabricated in a liquid crystal on silicon (LCoS) light valve. The use of appropriate electrode geometry or shape design can help overcome the problems of crosstalk and low light efficiency prevalent in conventional LCoS. Our simulation results of FOP mode LCoS indicate that the reflectance can reach above 80% even for the worst case scenario in the frame inversion driving scheme and our device reveals low dispersion in the single cell gap configuration. We also demonstrate that our SXGA LCoS panel exhibits a crosstalk free result in the frame inversion driving scheme. The optical efficiency loss due to light diffraction front finger like electrodes is about 10%. In this study, negative and positive liquid crystals are also used in our FOP mode LCoS light valve. The experimental results reveal that the brightness and contrast ratio of the FOP mode device are better than that of the VA mode device.

原文English
頁(從 - 到)7386-7390
頁數5
期刊Japanese Journal of Applied Physics
41
發行號12
DOIs
出版狀態Published - 2002 12月

All Science Journal Classification (ASJC) codes

  • 工程 (全部)
  • 物理與天文學 (全部)

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