As Ultra High Definition (UHD) 4K2K TV continues to be a trendsetter in the market, TV manufacturers are hoping to develop high color gamut TV. Using quantum dot (QD) technology, Sony has successfully released high color gamut TV in 2013.  TV brands that have achieved technological breakthroughs with Mn 4+ red phosphor powder are also planning to stimulate market purchases with NTSC 100% high color gamut TV.