Retina Display

Retina Display is one type of “Liquid Crystal Display” screen with high enough pixel density. Retina Display is a brand name used by Apple Inc. Retina Display is a product used in Apple’s products like iPhone, iPod touch, iPad & MacBook Pro. Retina Display has high pixel density so human eye cannot distinguish individual pixel. This display is intended to make it easy to view from wide range of angle.
Retina Displays are manufactured by different supplier in the world; main manufacturers are Samsung & LG.

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Retina Display model in the market ::

Apple introduces the retina display on iPhone 4. After that Steve Jobs introduce iPhone 4S also with retina display. iPhone 5 has 44% greater screen resolution then iPhone 4S.
Retina Display is also used in iPod Touch (4th & 5th Generation), iPad (3rd & 4th Generation) & MacBook Pro with 13” inch & 15” inch.

These entire products have a different PPI (Pixel Per Inch) & ppcm (Pixel Per Centimeter).
PPI & ppcm are a measurement of the resolution of devices and screen sizes.

Technical Specification of Retina Display ::
:: iPhone 4/4S & iPhone 5 has 326 PPI and 128 ppcm. iPod Touch (4th & 5th Generation) has same PPI & ppcm.
:: iPad (3rd & 4th Generation) has 264 PPI and 105 ppcm.
:: MacBook Pro (13” Inch) with retina display has 220 PPI and 87 ppcm.
:: MacBook Pro (15” Inch) with retina display has 227 PPI and 89 ppcm.

Retina Display will change your screening experience. It is like upgrading from dot matrix printer to laser printer.
Experience the feel of Retina Display – it’s worth using at least once!

Source :
Apple
Webopedia
Wikipedia

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