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-Samsung TV Line-up 2017-
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<blockquote data-quote="xavito" data-source="post: 1057856379" data-attributes="member: 13356"><p>What is the difference between a QLED and OLED TV?...<a href="https://www.avforums.com/article/what-is-the-difference-between-a-qled-tv-and-oled-tv.13307" target="_blank">https://www.avforums.com/article/what-is-the-difference-between-a-qled-tv-and-oled-tv.13307</a></p><p></p><p>...<em>By comparison QLED is a marketing term and a QLED TV still uses a traditional LCD panel with an LED backlight, whether that backlight is at the edge or to the rear. The image is created by passing the light from the LEDs through the panel and, as result, the black levels are far less impressive when compared to an OLED TV. To improve their black level performance LCD TVs use a number of technological developments, including vertical alignment (VA) panels and local dimming. The use of a VA panel does improve the black levels but at the expense of the off-axis performance.</em></p><p><em></em></p><p><em>Local dimming involves breaking the picture up into zones and turning them on or off depending on the image, this does improve the blacks but also results in haloing where a bright object glows because it crosses over two zones. The solution is to increase the number of zones because the more zones, the less likely there will be haloing. There have been LCD TVs released with over 600 local dimming zones but to put that in perspective, an OLED TV with its self-illuminating pixels effectively has over 8 million dimming zones. So an OLED TV can not only deliver deeper blacks but it do so with far greater accuracy...</em></p><p></p><p><em>source:[avforums.com]</em></p></blockquote><p></p>
[QUOTE="xavito, post: 1057856379, member: 13356"] What is the difference between a QLED and OLED TV?...[URL="https://www.avforums.com/article/what-is-the-difference-between-a-qled-tv-and-oled-tv.13307"]https://www.avforums.com/article/what-is-the-difference-between-a-qled-tv-and-oled-tv.13307[/URL] ...[I]By comparison QLED is a marketing term and a QLED TV still uses a traditional LCD panel with an LED backlight, whether that backlight is at the edge or to the rear. The image is created by passing the light from the LEDs through the panel and, as result, the black levels are far less impressive when compared to an OLED TV. To improve their black level performance LCD TVs use a number of technological developments, including vertical alignment (VA) panels and local dimming. The use of a VA panel does improve the black levels but at the expense of the off-axis performance. Local dimming involves breaking the picture up into zones and turning them on or off depending on the image, this does improve the blacks but also results in haloing where a bright object glows because it crosses over two zones. The solution is to increase the number of zones because the more zones, the less likely there will be haloing. There have been LCD TVs released with over 600 local dimming zones but to put that in perspective, an OLED TV with its self-illuminating pixels effectively has over 8 million dimming zones. So an OLED TV can not only deliver deeper blacks but it do so with far greater accuracy...[/I] [I]source:[avforums.com][/I] [/QUOTE]
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