https://qooah.com/2012/11/21/%e7%8b%97%e5%92%ac%e7%8b%97%e9%aa%a8-samsung-%e5%90%91-lg-%e6%8f%90%e5%87%baoled%e5%b0%88%e5%88%a9%e8%a8%b4%e8%a8%9f/