Do you have problem looking screen at night ?
Protect your eyes from being hurt by screen at night.

Eyes feel tired during night reading on the phone?
Have trouble in sleeping after long time watching phone screen?

Decrease the brightness of your screen beyond Android's default lowest setting. It's ideal for late night reading gaming or general use of your screen in low light surroundings.

Applies a shades that acts as a dimmer to ensure your eyes don't hurt. Far more powerful than Android's built-in brightness setting. Great for low-light gaming web browsing and eBook reading. It even saves battery life for AMOLED displays!

Blue light filter helps you protect your eyes from harmful blue light that comes from your phone screen According to the scientific studies exposure to blue light imposes serious threats to retinal neurons and inhibits the secretion of melatonin a hormone that influences circadian rhythms. It is proven that reducing blue light can greatly improve sleep.

Blue light filter helps you to decrease your phone Brightness up to the minimum level to overcome eye problem at night.

Blue light filter is used to reduce blue light by adjusting the screen to natural color. Dim your screen to shade respective color can relieve your eyes strain and your eyes will feel ease during night reading. Also blue light filter will protect your eyes and help you sleep easily.

With Blue light filter you can easily decrease the brightness of your screen beyond the default lowest setting and block light harmful to your eyes. It's ideal for late night reading/gaming or general use of your device in low light surroundings.

Blue light filter is more pleasant on the eyes for night reading. Especially as it is able to lower the screen backlight far below the ability of the backlight controls on your screen.

This app draws a translucent mask over screen


Features
● Reduce screen brightness below the system minimum brightness
● Display back-light dimming
● Blue light filtering
● Customizable minimum and maximum brightness levels
● Control From Notification panel
● Simple user interface designed for ease of use
● Lightweight & small memory footprint
● Small size of application
● Auto start after reboot
● Block blue light for your health.
● Dim screen at night feel comfortable.
● Blue light can be reduced
● Filter intensity can be adjusted
● Power can be saved
● Very easy to use

It is similar to iOS Night Shift.

Basics on circadian rhythm and the role of melatonin :
https://en.wikipedia.org/wiki/High-energy_visible_light
www.health.harvard.edu/staying-healthy/blue-light-has-a-dark-side
http://en.wikipedia.org/wiki/Melatonin

Permissions
● running apps - to stop Blue light filter in selected apps
● write settings - to set back-light
● network - access smartlight (Philips HUE) to shield you household light from blue

Tips
● Before installing app out of Play store please pause this app to enable installation.
● Pause this app when taking screenshots or screenshots will use the app effect.