[FMCp3] Metrology & Manufacturing

[FMCp3-1] Investigation on the Effects of 365nm UV Light Irradiation on the Polyimide Alignment Film

*Mudan Chen¹, Li Yang¹, Chiamin Yu¹, Peter Liao¹ (1. InfoVision Optoelectronics (Kunshan) Co., Ltd (China))

Keywords:Polyimide alignment film, 365nm UV light, Mura, Image sticking, IPS-LCD

We have investigated the effects of ultraviolet light with wavelength of 365nm irradiation on polyimide alignment film. We compared image quality and image sticking of a IPS-LCD before and after irradiation, the experiment showed mura appeared and image sticking became bad through irradiating a certain amount of exposure energy.