Are there USB to HDMI converters for streaming video?

Episode 986 (33:18)

Ken from Simi Valley, CA

Ken was streaming video on an older laptop linked to his TV, and the TV gave up the ghost. His new TV has no VGA port. Is there a USB to HDMI converter? Leo says yes, it's an analog converter, but it works. The quality won't be as good and USB isn't all that fast for super high resolution. How can it do that if it's bypassing the video card? Leo says it's done with onboard software. But Leo says that getting a Roku Box and going straight to HDMI is far better and the quality will be all digital.