Although it technically has a larger display than its 4.8-inch predecessor, the 5-inch GS4 is actually narrower (69.8mm wide, versus 70.6mm on the GS3) because it only adds vertical screen space and has skinnier bezels on each side.
Switching between these is a simple matter of a vertical swipe on either screen to switch to the other.
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The key is a filter that sits in front of the projector to block vertical regions of the screen, meaning that each one of your eyes sees a slightly different picture based on the angle at which it views the screen.
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We also recently launched the Latitude ST, a 10-inch Windows 7-based touch-screen tablet designed for vertical markets such as education, finance and healthcare in November of this year.
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And since the Apple screen is now taller but no wider, the usability of the extra space is very much in the to-be-determined category (the screen shape is more vertical or oblong depending on how you are holding the phone, closer to a widescreen TV than before).
Twenty miles away in the showroom at Philips Color Kinetics a "screen" made of 50 vertical tubes (each 2 inches wide and 4 feet tall and composed of 760 individual diodes) of programmable LEDs projects a parrot moving in a forest, then flames flickering in a fireplace.
What the Japanese screenmakers have done is merely split a screen image into two or more vertical slits, with some views going to the left eye and some to the right.
Once you get past the unusual color choice, the first thing you'll notice is that the 1.25-inch LCD screen has a horizontal orientation rather than the vertical one you'll find on the iPod mini and most other MP3 players.
Alternatively, swipe from any edge across the lock screen to bring up the applications view -- a vertical grid of icons.
The gear selector comprises a vertical row of P-R-N-D-S touch-screen buttons on the left of the central LCD touch screen (shades of the '64 Plymouth Valiant).
Powered by the Android 2.1 platform, Samsung Epic 4G also supports a series of advanced touch screen gestures including multi-touch pinch, long tap and zoom and vertical and horizontal swiping.
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Cutting out the sometimes distracting glare of glossy displays, the matte screen is still sufficiently bright and horizontal viewing angles continue to be better than vertical ones.
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