Toshiba might have abandoned OLED , but that doesn’t mean the company is lacking ambition in the display-making field. Today it’s using CEATEC 2010, Japan’s biggest electronics expo, to make official that 21-inch glasses-free 3D prototype we’ve been hearing about . It’s lost an inch in becoming a retail product, with the 20GL1 offering a 20-inch diagonal, but the important multi-parallax picture transmission (employing a lenticular lens setup as used in Philips’ Dimenco ) remains the same. The new set, accompanied by a smaller 12GL1 model, will be shipping in Japan this December, and if it really does what it promises, the rest of the world should not be far behind. Update: Japan’s Impress Watch has more details for us, listing a 720p resolution for the 20-incher and a funky 466 x 350 on the 12-inch GL1. Prices are estimated at