NOVELTY - A fluorine-containing alicyclic dianhydride compound (I) is new.    USE - New fluorine-containing alicyclic dianhydride compound is used for preparing polymer for forming polyimide film for preparing liquid crystal cell, thin-film transistor-driven liquid crystal display, flexible display device and organic light-emitting diode (all claimed).    ADVANTAGE - The polyimide film formed using the polymer has excellent thermal stability and optical transparency. The thin-film transistor-driven liquid crystal display has excellent high-voltage retention rate and low residual direct-current voltage.    DETAILED DESCRIPTION - A fluorine-containing alicyclic dianhydride compound of formula (I) is new.R1=-H or -CH3.    INDEPENDENT CLAIMS are included for the following:    (1) preparation of fluorine-containing alicyclic dianhydride compound (I);    (2) polymer of formula (II);    (3) preparation of polymer (II), which involves dissolving diamine compound of formula (III) and/or formula (IV) in solvent, adding fluorine-containing alicyclic dianhydride compound (I) into resultant mixture, reacting, adding isoquinoline and toluene to the obtained reaction liquid, refluxing and dehydrating resultant liquid, removing toluene, heating obtained liquid and carrying out imidization reaction; and    (4) preparation of liquid crystal cell, which involves dissolving polymer (II) and flatting agent in a solvent, coating obtained mixed solution on a glass substrate of indium-tin oxide, drying the solvent at 80-230 degrees C, performing rubbing treatment of the obtained alignment film on the substrate to obtain rubbed polyimide alignment film on the coated surface of the substrate, aligning two coated substrate and rubbed polyimide alignment film according to anti-parallel rubbing direction, sealing periphery portion using epoxy glue, forming liquid crystal injection hole, and filling liquid crystal injection hole with epoxy glue.    R2=-O-, -CH2-, group of formula (a), group of formula (b) or group of formula (c);    R3=CmH2m+1;    m=6-20;    x=0-1, preferably 0.7-0.9;and    n=1-100, preferably 40-80.