https://qooah.com/2012/04/12/samsung-amoled-%e8%9e%a2%e5%b9%95-2012-q1-%e9%8a%b7%e5%94%ae%e9%a1%8d%e6%bf%80%e5%a2%9e-160%ef%bc%8c%e9%a0%90%e8%a8%88%e4%b8%8b%e5%8d%8a%e5%b9%b4%e5%86%8d%e5%a2%9e%e5%80%8d%ef%bc%81/