Y 1.9− x Li 0.1Eu x O 3 ( x=0.02, 0.05, 0.08, and 0.12) films were fabricated by spin-coating method. A colloidal silica suspension with Y 1.9− x Li 0.1Eu x O 3 phosphor powder was exploited to obtain the highly stable and effective luminescent films onto the glass substrate. After heating as-prepared Y 1.9− x Li 0.1Eu x O 3 films at 700 °C for 1 h, the phosphor films exhibit a high luminescent brightness as well as a strong adhesiveness on the glass substrate. The emission spectra of spin-coated and pulse-laser deposited Y 1.82Li 0.1Eu 0.08O 3 films were compared. The cathodoluminescence of the phosphor films was carried out at the anode voltage 1 kV.