Home > News > Display Screens of the Future and How Nanotechnology Will Bring Biugger, Clearer and More Energy Efficient Screens
January 22nd, 2007
Abstract:
Field Emission Displays (FED) and carbon nanotube screens are high-definition colour displays with CRT screen like vibrant colour, rich contrast and fast response - but they are flat. These screens actually work similarly to a conventional CRT screen. CRT screens use a single electron ‘gun' to scan back and forth across and down the screen to selectively illuminate a phosphor coated screen. Both FED and carbon nanotube screens shoot electrons from an array of millions of electron emitters at a phosphor coated screen. The electron emitting array in FEDs are made from tiny sharp metal points. FEDs have been around since the 1990s but manufacturing large screens was expensive and difficult, plus the screens used extremely high voltages. Several manufacturers are reporting that they have developed new technologies that overcome these difficulties ad that FEDs are very close to hitting the market.
Source:
azonano.com
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