Samsung was credited with developing the world's largest LCD TV screens, measuring 30 inches throughout the late 1990s. In 1998, the company began to produce flat screen models, as well the first line of digital TV's in the world. Throughout the early 21st century, Samsung has continued to lead the television industry, with inventions like the world's thinnest TV in 2002 and the first double-sided LCD screen in 2006. Samsung is first industry to sell more than 4 million LCD panels for TV’s per month. For years in a row, Samsung has taken the top spot in the world TV market with the launch of best-selling items.