TITLE

Fast write and erase surface resistance induced nematic liquid crystal display

AUTHOR(S)
Monkade, M.; Fuliang, Zang; Martinot-Lagarde, P.; Durand, G.
PUB. DATE
March 1987
SOURCE
Applied Physics Letters;3/30/1987, Vol. 50 Issue 13, p856
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A room-temperature nematic liquid crystal cell is prepared in the homeotropic geometry using dielectrically positive pentyl cyanobiphenyl. The indium tin oxide electrodes are treated to increase locally their surface resistance. At high frequencies (ω>ωc) the border of these regions behaves as capacitance edge, creating an oblique field which ‘‘writes.’’ At low frequencies (ω<ωc) the field is back normal to the electrodes and ‘‘erases’’ rapidly. A 50-μs erasing time has been achieved for E∼10 V/μm and ωc/2π=104 Hz. The practical smallest response time of the device is ∼(8ωc)-1. Sub-μs writing and erasing are possible.
ACCESSION #
9822489

 

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