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

Roof Light / book light

Roof Light

As modern people’s lifestyle change to more faster, more shorter, more busy, they need to use electric device such as smartphone or computer too much.
On the other hand, time of reading paper book is keep decreasing. There was research ‘why adult can’t read book’ and the most two highest was ‘don’t have time’ and ‘don’t have habit of reading’.
Rooflight attracts people to read book. It functions as lighting, bookshelf, bookmark.


Kookmin University

Kookmin University
Seoul, South Korea

Seung Yeup Chung,
Kookmin University

Seungsoo Mok,
Kookmin University

Seonggon Jin,
Kookmin University