The Ag alloy based reflected film, the reflector for LCD, the super particulate dispersion liquid for the reflected film formation, in dispersion liquid production manner, and reflected film formation

摘要

PROBLEM TO BE SOLVED: To provide an Ag-alloy reflective film hardly causing deterioration in reflection characteristics due to heat treatment and having excellent weatherability and reflection characteristics, a reflector for LCD, an ultrafine particle dispersion liquid for forming the reflective film, a method for producing the dispersion liquid and a method for forming the reflective film.;SOLUTION: The Ag-alloy reflective film has a composition containing Ag as a main component and also containing 0.1 to 5wt.% of either or both of Si and Ge and also has a film structure in which Ag crystal grains are used as a matrix and either or both of Si and Ge are precipitated in the grain boundary of the Ag crystal grains. The reflector for reflective LCD is formed by using the reflective film. The ultrafine particle dispersion liquid for forming the reflective film can be produced by adding either or both of an organosilicon compound and an organic germanium compound to an Ag ultrafine particle independent dispersion liquid in such a way that either or both of Si and Ge are regulated to a range from 0.1 to 5wt.% based on Ag. The reflective film can be formed by directly patterning the dispersion liquid on a substrate by an ink jet method and then carrying out baking.;COPYRIGHT: (C)2004,JPO&NCIPI