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Everyone is excited about the Retina display in Apple’s new iPad. But ever wondered how Apple pushes in 2048 x 1536 pixels in a 9.7-inch screen while others can do with just 1280 x 800 pixels in a 10.1–inch display? Well, here’s how.
No doubt Apple’s display gives a resolution four times that of any tablet out there, not just the iPad 2. Apple uses a Super-high aperture or SHA display. They apply a 3 µm (smaller than mm) layer of resin under the display. This layer then creates a gap between the pixel electrodes receiving the signal. This is the magic elixir that lets Apple squeeze in more pixels than the others. That is it!
The interesting thing is that this technology was created by firms much smaller than Apple – Sharp and JSR. The fact that Apple cashed upon it and they couldn’t might give you hints as to why it is so successful. SHA is currently used for manufacturing huge LCDs.