Eye Protect: built-in light sensor detects light conditions around the monitor and adjusts the backlight automatically.
Bright Intelligence (B.I.): built-in light sensor works to detect the ambient light, image brightness, and contrast, and then balances screen settings automatically.
Bright Intelligence Plus (B.I.+): same as above but more advanced sensor also takes color temperature into account when optimizing screen settings for the best image quality.
Key word: BI, BI+, Eyeprotect