Recently I've been experimenting with using iPad as a photo light.
I normally use a tent and a couple of lights for photographing watches indoors. But we have family living with us for a few months and the house is crowded, my stuff is packed away. So for recent acquisitions I've had to improvise to get photos. I've used my iPad as a light. Sometimes my iPhone gets into the act and most recently my computer screen as well. Here are some results:
Those were mostly done like this. Sometimes I used my iPhone to fill in light from the opposite side.
Then iPad underneath and iPhone above:
And then with more light from computer screen: