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SEDs, FEDs transform HDTV experience

Posted: 01 Jun 2008     Print Version  Bookmark and Share

Keywords:SED FED display comparison  display technologies  SED FED 

The information display is a critical human interface to electronic systems. Industry experts have been working for decades to make them larger, lighter, brighter and thinner, particularly for TV use. Furthering the quest for the exemplary display TV is the introduction of HDTV. HDTV provides means for transforming the entertainment experience. By delivering crystal-clear video in high resolution, high-fidelity surround sound, full-screen graphics and the ability to drive interactive applications, HDTV delivers an immersive user experience that is attracting consumers all over the world.

Due to the inherent flaws in current display technology for HDTV, many researchers have turned to field emission display (FED), which uses carbon nanotubes (CNTs) to emit electrons, as the technology of choice for HDTV. It is this technology that will be able to support the HDTV revolution at an acceptable cost. On the other hand, Canon and Toshiba have developed another class of FED that is based on a lateral field emitter called the surface-conduction electron-emitter display (SED). We have classified the SED in the FED family for two reasons. First, the Society for Information Display and other display conference organisers generally place SED presentations and posters together with FED talks; we will be consistent with this convention. Second, there are many things that the FED and SED have in common. This article discusses the similarities and differences between the two technologies, and their effect on performance.

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