I noticed that there is a stripe along the upper edge of both forward windshields in the Embraer E-Jets:
(cropped from Wikimedia)
I tried to find a better picture, but couldn't find anything closer. This YouTube video clearly shows the stripe several times:
What is this stripe used for? The only thing I can think of is window heating, but these elements usually look quite different, as can be here: What is this pattern on the A350 front window?