Did you know there are different LCD panels, ranging from budget TN panels to expensive, professional quality S-IPS and S-PVA panels. Generally, consumers have no idea what panel technology is used in their LCD. In fact, the panel type is rarely listed by the manufacturer in the monitor specifications. Many users buy monitors based on price and size. Price should be a factor, but you should still know the advantages and disadvantages of the different LCD panel types and be able to identify them before you decide which LCD to purchase.
S-IPS/H-IPS (In Plane Switching) panels are generally considered the best overall LCD technology for image quality, color accuracy and viewing angles, but this comes at a price. They are well suited for graphics design and other applications which require accurate and consistent color reproduction. S-IPS panels offer the best viewing angles of any current LCD technology, with wide viewing angles up to 178 degress. The response time of S-IPS is adequate, ranging from 6ms to 16ms with current panels. This is only slightly slower than TN panels. However, gamers should take this into consideration. Fast paced games may suffer from motion blur or ghosting with S-IPS panels that have a response time higher than 8ms. S-IPS panels can be identified buy a slight purple hue on blacks when viewed from a wide angle. There are currently few manufacturers using S-IPS panels in comparison to the other panels types making choices limited and they often carry a premium price tag. H-IPS is a newer variation of S-IPS with a different pixel structure that improves contrast ratios and lowers pixel pitch to provide better picture quality.
TN (Twisted Nematic) panels are the most widely used panel type as they are cheap and offer excellent response ties, making them perfect for fast paced gaming. The response times of current TN panels range from 2ms to 5ms. However, color reproduction, viewing angles and contrast ratios of TN panels are the worst of any LCD panel technology. Unlike most 8-bit S-IPS panels, TN panels are only 6-bit and unable to display the full 16.7 million colors available in 24-bit true color. They can mimick the 16.7 million colors of 8-bit panels using a technique called dithering, but the results are unimpressive. TN panels have become popular with the average user because they are very inexpensive.
Summary of LCD Panel Technology
* S-IPS/H-IPS panels are generally considered the best all around panel type, but they are more expensive and very few are made. High end, expensive.
* TN panels are very cheap and have the fastest response times, but suffer from inferior color reproduction, contrast ratios and viewing angles. Low end, inexpensive.
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