It's A Lamp. It's A Poster. It's Page By Page Wall and Table Lamps by Tuna Paper.
Please note that this post has been updated to correctly reflect the designer of these products.
Designed by Tunapaper of Korea, these cool Page by Page lamps use a 5V LED and can be connected to your computer, laptop or USB adapter. Functioning as a poster during the day, they give off a soft glow at night. Turn the page for a different background or draw your own on the empty page at the back.
Page by Page Wall Lamp:
Page by Page Table Lamp:
Available in a tabletop version for $59 USD and a wall version for $89 USD.
Buy them here.