The HDX 7 - inch also comes with dynamic image contrast which means that not only will the tablet adjust the brightness of the display dependent on its surroundings it'll also adjust the contrast of the display which should mean better viewing in direct sunlight. (t3.com)
Amazon is hyping up reduced glare, dynamic image contrast, and improved brightness for better viewing in any lighting conditions. (goodereader.com)
The Amazon Kindle Fire HDX would arrive would feature an «exclusive» HDX display that delivers 323 ppi for 7» and 339 ppi for 8.9», a perfect 100 % sRGB color accuracy, reduced glare, dynamic image contrast, and improved brightness for better viewing regardless of the existing lighting conditions. (ubergizmo.com)