Yesterday, the we reported that Apple could be looking to increase the iPhone’s screen size from 3.5in to 4in. Here’s what the bigger iPhone could look like, according to designers accross the globe who have created concept illustrations of the upcoming device.

MacRumors believes that the new iPhone could be taller, allowing a 4in display while keeping the width of the phone the same.

Here’s what the iPhone might look like if it has a teardrop design, according to Eckspeck.

ADR Studio’s iPhone SJ (Steve Jobs) has a lightweight body with an A6 chip and 10-megapixel camera.

Nak design’s iPhone 5LM shows a virtual home button, a 10-megapixel camera and a Liquidmetal case.

Gizmodo:Nak’s design has very squared corners.

Handy Flash shows an incredibly thin iPhone 5 in its concept design.

How about this one from Ciccarese Design. Looks like Apple’s mouse.

We showed you the iPhone plus design from ADR Studio at the beginning of May. It has a 4.3in Retina display and is made with Liquidmetal.

Earlier this week, Fuse Chicken revealed its concept of the iPhone 5, showing an elongated home button and a thinner, Liquidmetal design.

[Via Cult of Mac]

Check out our mid-month rumour round up for the latest on the iPhone 5, iOS 6, new Macs and the Apple television.