SPIE International Day of Light Resources

SPIE IDL Resources

The International Day of Light is a global initiative highlighting to the citizens of the world the importance of light and light-based technologies in their lives, for their futures, and for the development of society. SPIE encourages communities to plan their own annual celebration on 16 May and provides various resources to help create an event.




SPIE IDL Lessons and Worksheets SPIE IDL Social Media Banners SPIE IDL Posters


Official IDL Logo from SPIE SPIE IDL Banners SPIE IDL Bookmarks



Show the SPIE International Day of Light promotional video:


Inspire other communities to celebrate the International Day of Light by sharing your event and activities on social media. Tag your posts #IDL2020.

Visit the International Day of Light website for national activities and contacts around the world.

Have questions? Need more information? Email us at IDLinfo@spie.org.