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:


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

Publish your project

F-Light / lighting


Let light fly! With the operational principle of gas balloons and outside material, which can absorb sunlight and then re-emit it F-light not only free lighting from static position, but also free your hands from holding it. Through electrolyzing water molecules into oxygen and hydrogen, the pure (avoid to explosion) hydrogen quantity is controlled exactly via a processor. Besides, the oxygen is released to contribute to the indoor air quality. You can use the rotary switch on the controller to adjust the height, or simply move and put the balloon at the specific height you want it to be. Also, you can hook a string on it to keep it with you.


University of California, Berkeley

University of California, Berkeley
College of Engineering
Berkeley,California, United States


Shenzhen Xilong Company limited

Shenzhen Xilong Company limited
Shenzhen, China

Zheng Yipu Deo Szeto Zheng Gang