Unsupported browser

You are using an outdated browser. Please upgrade your browser to improve your experience.

Sign up for an Award

Participate with your entry in one of our professional or student awards.

Sign up for an award

Sign up for a Profile

Create your own profile and publish it in the iF WORLD DESIGN GUIDE.

Sign up for a profile

Learn more:

iF SOCIAL IMPACT PRIZE (free of charge)

Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project



You might miss an important call, when you swim or ten your skin at the beach, because of out of the battery.
In these days, an electric device is with you during 24 hours. It means that the electric device is the essential thing for your life.
Even if you are out of your home, it may still be with you.
How do you use an electric good outside?
Solar-Tree helps charge your electric devices by saving electric power form the sun.


Seoul National Univ. of Technology

Seoul National Univ. of Technology
Seoul, South Korea

Young Yoon, Kim


Kim, Jun-Se

Kim, Jun-Se
seoul, South Korea

Min-Goo, KIM Dong-Eon, KIM