TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Parameters: Number of phyllosilicates which is organically treated and is oriented at an angle of - 20-20 degrees with respect to surface of transparent resin film is greater than or equal to 60 with respect to 100 organically treated phyllosilicates.    TECHNOLOGY FOCUS - POLYMERS - Preferred Processes: Transparent resin film is formed by applying coating liquid containing organically treated phyllosilicate on resin compound. Phyllosilicate is organically treated by using quat. imidazolium salt and/or quat. phosphonium salt as organic processing agent. Preferred Parameters: Refractive index ellipsoid of transparent resin film has relationship of nx greater than or equal to ny greater than or equal to nz. Resin film has light transmittance at 550 nm of greater than or equal to 70%, haze value of less than or equal to 30%, elastic modulus of 1.5-10 GPa at 25 degrees C, and fracture toughness of 1.5-10 MPaasteriskm one half at 25 degrees C. Solvent cracking is not generated on resin film, when resin film is contacted with mixed solvent of water and N-methylpyrrolidone and/or dimethylsulfoxide containing greater than or equal to 5 wt.% water. Glass transition temperature of resin compound is 180-450 degrees C. Weight average molecular weight of resin compound is 2x 104-100x 104 in polystyrene conversion. Preferred Components: Resin compound contains repeating unit of formula (1) and repeating unit of formula (2) in which total number of X1 and X2 with coupling group in para position is greater than or equal to 3 times the total number of X1 and X2 with coupling group in meta position.R1=1-5C linear or branched alkyl;R2=2-5C linear or branched alkyl;A1,A2=coupling group of formula -C(=O)-O-, -O-C(=O)-O- (4), -S(=O)(=O)- (5), -O- (6), or -NH-C(=O)-O- (7);X1=arylene in which X1 is connected to coupling group A2, coupling group A1, or coupling group A3 at para position or meta position;R3=Me or aryl;A3,A4=compound group of formulae (3)-(7); andX2=arylene in which X2 is connected to coupling group A4, coupling group A1, or coupling group A3 in para position or meta position.