It's well known that Apple likes to throw as many patent applications at the wall as possible, with the belief that at least some will stick. The latest to receive the seal of approval from the powers that be is patent number US8358273, or "Portable media device with power-managed display," as its friends know it.
The patent features a new technology that will control the screen brightness of a piece of equipment such as an iPhone or iPad based on the type of content being displayed. Currently, devices set the screen brightness based on the amount of ambient light. Apple's recently approved patent changes all that.
As far as screen brightness technology goes, this is actually rather interesting...