The Demise Of LCD And Plasma?
Dear Gary:
Hot on the heels of vanquishing the CRT market share, will LCD and Plasma face obsolescence when the CRT is reborn as SED technology? Claims of resolution, contrast, and refresh rates, power consumption, etc that should eclipse any current display device? What gives? Can you give us a rundown? And if SED weren’t enough, what the heck is OLED?
Aaron Pelc
Technical Video Editor Greg Rogers Comments:
SED (Surface-conduction Electron-emitter Display) technology was demonstrated at the 2005 CES (International Consumer Electronics Show) by Toshiba and Canon, who have formed a joint venture called SED Inc. They are reportedly investing $1.7 billion to build a factory that will begin manufacturing SED panels in early 2007. Similar to a CRT, SED uses electron emission to excite red, green, and blue phosphors. This new display technology combines flat-panel size and weight advantages with claims of better contrast, excellent color, and faster pixel response time than Plasma and LCD panels. A prototype 36-inch display received favorable comments at CES. Of course we will postpone judgment until we have a production SED TV to review.
OLED (Organic Light-emitting Diodes) is yet another flat panel technology with the promise of fast response times, high contrast, and wide viewing angles. Unlike LCD panels, OLED is an emissive technology that doesn’t require internal backlighting. Samsung has demonstrated a 40-inch prototype display.
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