What is Blue light filter and how to set it on Galaxy J?

The blue light filter will decrease the amount of blue light displayed by the device’s screen.

Reduction of blue light will prevent suppression of melatonin production (sleep-inducing hormone), which in term help users sleep better.

Blue light filter can be applied manually or automatically

• Manually : Setting > Display > Blue light filter > Adjust Opacity or Adjust Opacity in Notification panel

• Automatically : User schedule or automatic schedule (sunrise and sunset time of the location)

You can set the schedule to apply the blue light filter to the screen

• Sunset to sunrise : Set the device to apply the blue light filter at night and turn it off in the morning, based on your location

• Custom schedule: Set a specific time to apply the blue light filter