polymer film , coating , and molded article elements for use in a display device are described which comprise a polymer phase having molecularly dispersed therein an acid scavenger compound , a hindered amine light stabilizer compound and a hindered phenol antioxidant compound , wherein the hindered amine light stabilizer compound and the hindered phenol antioxidant compound are present at a weight ratio of from 20 : 1 to 1 : 20 , and the weight ratio of the acid scavenger compound to the total concentration of hindered amine light stabilizer compound and hindered phenol antioxidant compound is from 10 : 1 to 1 : 10 . use of a combination of an acid scavenger and a combination of two radical scavenger antioxidants dispersed in a polymer phase in accordance with the invention enables enhanced stabilization of the polymer when exposed to high heat and / or humidity condition , which has been found to be especially desirable when applied to polymer layers laminated into displays .