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Reduced residual DC voltages in LCDs by using fluorinated polyimides
Author(s) -
Lu Lu,
Huang Yi,
Zhang Ke,
Liu Na,
Twieg Robert J.,
Auman Brian,
Bhowmik Achintya,
Bos Philip
Publication year - 2011
Publication title -
journal of the society for information display
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.578
H-Index - 52
eISSN - 1938-3657
pISSN - 1071-0922
DOI - 10.1889/jsid19.6.447
Subject(s) - materials science , liquid crystal display , residual , layer (electronics) , dielectric , voltage , planar , optoelectronics , liquid crystal , power consumption , homeotropic alignment , work (physics) , power (physics) , optics , composite material , computer science , electrical engineering , mechanical engineering , computer graphics (images) , physics , algorithm , quantum mechanics , engineering
— The effect of a fluorinated alignment layer in reducing image retention in liquid‐crystal displays has been quantified. In our experiments, image retention is characterized by measuring the residual DC (RDC) value, which for both planar cells and vertical‐alignment cells are shown to be very small for a fluorinated alignment layer. The lowered dielectric constant of a fluorinated alignment layer is shown to be correlated with RDC improvement. A result of this work is the demonstration that fluorinated alignment layers have great potential to be used in low‐refresh‐rate LCDs for reducing power consumption.