It’s exactly what it sounds like: a pico projector slapped on the back of a smartphone. Stupid-looking? Yes. Stupid idea? Definitely not. The projector-phone like this LG Expo from AT&T is the ...

Keeping in mind the variety on offer, we've listed lightweight portable projectors with built-in batteries that work well with your smartphone and are priced under $500 at the time of writing.

The Fraunhofer smartphone projector actually consists of an array of 200 microprojectors 2 / 2 The microprojector array system could allow users to control their smartphone via a projected image ...

The flashy feature of the Tank 3 Pro is its 23,800 mAh battery pack, which powers a 100-lumen DLP projector built into the smartphone chassis. Yes, there’s a projector in there with a 1.2:1 ...

Instead of crowding around a tiny smartphone to view viral videos, the Smart Phone Projector lets you display the footage on any surface. Made from cardboard, the simple design also claims to ...

The IR sensor, along with a Dot projector on the phone, was originally designed to unlock a smartphone via face unlock feature. Xiaomi has unveiled a series of smart devices alongside its 11T ...