Lunecase Uses Electromagnetic Energy to Display iPhone Notifications - MacRumors
Skip to Content

Lunecase Uses Electromagnetic Energy to Display iPhone Notifications

by

Ukrainian company Concepter today debuted a new Kickstarter project for the Lunecase, a new iPhone case that uses electromagnetic energy emitted from the iPhone to detect and alert users when a text message or phone call is placed.

The Lunecase does does not require a battery or a connection with the phone, but it is able to determine when the iPhone receives an SMS message or a phone call, at which point it lights up an LED on the back of the phone to create a visual notification.

lunecase1
The case is smart enough to tell the difference between the two types of notifications and the LED in the case is powered by energy emitted by the iPhone itself. Eliminating the need for a battery allows the Lunecase to retain a thin form factor while being able to provide notifications. Lunecase was initially shown off at CES 2014, where it received positive reactions.

lunecase2

"Accessories made for the iPhone can sometimes take the beauty and easy functionality away from the phone," said Concepter founder Vlad Tislenko. "Lunecase brings the back of your phone to life and enhances the natural iPhone functionality with no batteries, no cords and no bulk."

Currently, Concepter is creating Lunecases for the iPhone 5/5s and the iPhone 5c.

A limited number of black Lunecases can be preordered on Kickstarter for $30, with a white Lunecase also available for the iPhone 5/5s for a pledge of $39. Personalized engraving is available for $99, and all Lunecases are expected to ship in August of 2014.

Top Rated Comments

Sky Blue Avatar
160 months ago
My iPhone has a builtin screen that can display the same information and more.
Score: 17 Votes (Like | Disagree)
D.T. Avatar
160 months ago
It has not a battery nor a connection? Surely this uses some form of dark sorcery!
Score: 16 Votes (Like | Disagree)
160 months ago
I agree that it's a cause of concern that it can be powered by electromagnetic energy released from the phone, but I'm no physicist. Cool technology though.

If your phone didn't emit electromagnetic energy, it wouldn't *work*. That's what radio waves are. It looks/sounds like it's leeching power off your phone's transmit antenna, which 'powers up' when there is an incoming call or text.

If I'm right, I can't imagine this is going to do good things for signal strength/reception, and that'll cause your battery to drain faster.

I agree that it's a cool bit of tech, though. Even if maybe not practical.
Score: 6 Votes (Like | Disagree)
160 months ago
This is a little scary - the fact that this case can power its LED off of the background electromagnetic emissions of the iPhone tells you that there is fair bit of energy to exploit there. Makes you wonder if there is a genuine cause for concern.
Score: 5 Votes (Like | Disagree)
Rudy69 Avatar
160 months ago
Kinda cool, but by the time it will ship I'll probably be looking at the iPhone 6 lol
Score: 5 Votes (Like | Disagree)
GenesisST Avatar
160 months ago
CNN Breaking News tonight: Never mind potato fries making your children obese. Now potatoes are frying your obese children!!*

* Not based on any actual science. Real world facts may vary dramatically. No children were hurt in the making of this message.

Nah, CNN is all about the plane these days!
Score: 4 Votes (Like | Disagree)

Popular Stories

iPhone 18 Pro Deep Red Feature

iPhone 18 Pro Launching in Two Months With These 12 New Features

Friday July 17, 2026 10:39 am PDT by
It is now mid-July, and that means the iPhone 18 Pro and iPhone 18 Pro Max are now just two months away. The devices are expected to look similar to the iPhone 17 Pro and iPhone 17 Pro Max, but there will still be many year-over-year changes, with rumored features including a smaller Dynamic Island, 5G via satellite, and more. Apple is expected to unveil the iPhone 18 Pro, iPhone 18 Pro Max, ...
iPhone 18 Pro and Pro Max Feature

'Apple Upgrade' Program Reportedly Launching Next Week

Tuesday July 21, 2026 8:30 am PDT by
Apple and Klarna are partnering on a new "Apple Upgrade" leasing program set to launch in the U.S. on Tuesday, July 28, according to Bloomberg's Mark Gurman. The program will allow you to finance most iPhone, iPad, Mac, and Apple Watch models, with a 24-month term for iPhones and Apple Watches and a 36-month term for iPads and Macs. Customers will be able to pay off the device early during...
iPhone 18 Pro Deep Red Feature

iPhone 18 Pro Launching in Two Months With These 12 New Features

Tuesday July 21, 2026 6:22 am PDT by
It is now mid-July, and that means the iPhone 18 Pro and iPhone 18 Pro Max are now just two months away. The devices are expected to look similar to the iPhone 17 Pro and iPhone 17 Pro Max, but there will still be many year-over-year changes, with rumored features including a smaller Dynamic Island, 5G via satellite, and more. Apple is expected to unveil the iPhone 18 Pro, iPhone 18 Pro Max, ...