surface-conduction electron-emitter display


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surface-conduction electron-emitter display

A thin CRT technology developed by Canon that was based on field emission technology (FED). Announced in 2002, Canon created a joint venture with Toshiba to develop surface-conduction electron-emitter (SED) TVs, and prototypes at the 2006 CES show in Las Vegas demonstrated remarkable clarity. However, a lawsuit over sharing licensed technology relating to carbon nanotube emitters caused Canon to buy out Toshiba's stake in 2007. Due to improvements in LCD TV technology, Canon later turned its attention to OLED displays and liquidated its SED Inc. subsidiary in 2010.

Similar to Plasma Displays
Using millions of low voltage emitters (one for each pixel) on the cathode plate and regular CRT-like phosphors on the glass anode plate, the SED display used a third of the power of plasma displays. See FED and plasma display.
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Toshiba's flat-panel TV business has been in the red and it is also finding it difficult to commercialize its next-generation TVs using surface-conduction electron-emitter displays with Canon.
The Display FDP Expo will feature LCDs, plasma displays, organic electroluminescence displays (OELDs), inorganic electroluminescence displays, field emission displays (FEDs), surface-conduction Electron-emitter displays (SEDs), electronic papers, touch panels and many other exhibitions.
plans to produce a new type of display designed for company training programs in the next fiscal year that starts next April, by using surface-conduction electron-emitter displays (SEDs), President Fujio Mitarai said Thursday.

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