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

Thumb Zone UI / Mobile Phone UI

Thumb Zone UI

Lately, smart phone screens are getting bigger and bigger by display technology. For this reason, you can not use a mobile phone in one hand. Under certain circumstances like holding a baby, having a dinner and so on,
you have to use a cellure single-handed sometimes.These problems were resolved through a new interface design. The Ui design concept is to array of keys within thumb range of motion. As a result, it helps you to use the digital device easily.


Chung-Ang University

Chung-Ang University
Seongnam City, South Korea

In-kyun/Oh Hyun-ju/Shin