Sony started selling the world's first TV format support 4K Ultra HD, Sony XBR-84X900. The device has a 84-inch diagonal support desktop resolution 3840 x 2160 pixels ( four times the resolution of Full HD), also equipped with a proprietary chip 4K X-Reality PRO three, optimized for LCD TVs with 4K resolution, which is a essentially three different chip and can stretch Blu-ray picture quality to near native UHD.
TV also supports 3D (passive glasses) and also has the ability to control from your smartphone or tablet software.
Price of Sony XBR-84X900 is $ 24,999.