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Titolo:
INFLUENCE OF CHARGE-TRANSFER COMPLEX DOPING OF POLYAMIDE ALIGNMENT FILM ON SSFLC CELL PERFORMANCE
Autore:
GALLOPPA A; CATALDO F; CAMPOLI F; BECCHERELLI R; DALESSANDRO A; FERRARA V; MALTESE P;
Indirizzi:
UNIV ROMA LA SAPIENZA,DEPT ELECT ENGN,PIAZZALE ALDO MORO 5 I-00184 ROME ITALY UNIV ROMA LA SAPIENZA,NATL INST PHYS MATTER I-00184 ROME ITALY
Titolo Testata:
Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals
, volume: 290, anno: 1996,
pagine: 129 - 137
SICI:
1058-725X(1996)290:<129:IOCCDO>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
11
Recensione:
Indirizzi per estratti:
Citazione:
A. Galloppa et al., "INFLUENCE OF CHARGE-TRANSFER COMPLEX DOPING OF POLYAMIDE ALIGNMENT FILM ON SSFLC CELL PERFORMANCE", Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals, 290, 1996, pp. 129-137

Abstract

New alignment films for surface stabilized ferroelectric liquid crystals displays (SSFLCD's) have been produced by doping standard polyamide alignment films with an organic conducting charge transfer complex. The doping process exploits absorption equilibrium between a solution of the dopant and the polymeric solid phase. Dopant concentration in the solid state has been evaluated by spectrophotometric analysis in the UV-visible range. Test displays with ITO electrodes and doped alignment layers have been fabricated and their performance evaluated with new techniques. It has been found that optical response is a function of dopant concentration in the alignment layer and that display performances can improve at an optimum concentration. In fact addressing hysteresis is reduced at low dopant concentration, but increases at higherconcentrations.

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Documento generato il 27/11/20 alle ore 02:11:45