Use local low-light to bring the best out of the picture hanging on your wall.
Build local programmable low (LED) lights into the picture frame, optimized to bring the best visual effect out of the picture.
To watch TV and movies on a warm evening in your back yard, or just project pleasing images on the fence.
An LED-covered fence that can be used as an external monitor.
You know the situation: you have an irritating driver behind you, and you would like to let them know how you feel 😉
Have a string of LEDs connected to a motor and a controller, stuck of your back window (maybe with a suction cup), that you can activate from your phone by pushing one button (of a few you prepared in advance) with the right message. The motor will spin up quickly and show the message for a short while.
People riding bikes can make extra money, and advertisers can have a new medium.
Mount a string of LED lights on both sides of a bicycle wheel’s spoke, connected to a controller and power source (battery or dynamo.). The controller will light up the individual LED lights based on the speed of the wheel to create the illusion of a message that can be read by people looking at the moving bike from both it sides.