The only thing that makes USB Bus-powered LCD digital picture frame so pricy and interesting as a gadget – built in native video card. A personal video card in the device expends greatly its possibilities impending it to an additional monitor. You would mostly like to shift your widgets on it, maybe a frequently used website or a program menu. One of its best sides is that it can unload video card of your PC or notebook if it is not too big.
USB Bus-powered LCD digital picture frame has a modest display with 800 X 400 resolution and 4.3 inches, so LED backlight will not consume too much electrical energy.
When more of similar gadgets will appear, and we expect some of them upcoming, they will probably start using OLED technology and that will be a very cool gadget. The mater of size is important for a USB digital frame as long as it is used as a portable mini display. OLED will make it only 3 mm thick