This one is the typical failures I see, and shows up as a blob or specks across the screen, in every case i have seen they are blue or green and in this case thats the blue, as i understand the higher energy in the green/blue spectrum causes the damage.
I also forgot that just after the lamp there are some diffusers and one or two with bars going across and looks nice when rotated slowly.
Remember Remember The 8th of November, When No One Stood, but Kneel, In Surrender
In a popular government when the laws have ceased to be executed, as this can come only from the corruption of the republic, the state is already lost. Montesquieu