Sony introduced the Triluminos Display, the company's proprietary color reproduction enhancing technology, in 2004, featured in the world's first LED-backlit LCD televisions.[56] It was widely used in other Sony's products as well, including computer monitors, laptops, and smartphones.[57] In 2013, Sony released a new line of televisions with an improved version of the technology, which incorporated quantum dots in the backlight system. It was the first commercial use of quantum dots.[58][59]