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» LCD vs Plasma
Editor's HDTV Pick
HP 47 inch MediaSmart 1080p LCD HDTV "Out of the box" digital media platform. Enjoy videos, pictures and music from home network + digital media delivered over your broadband Internet connection + 3 x HDMI HP 47 inch MediaSmart 1080p LCD HDTV on Amazon |
June 9, 2006LCD vs Plasma At present consumers who have decided that a flat panel display best suits their needs have a choice between plasma or LCD (Liquid Crystal Display) technologies. Both have strengths and weakness and selection is dependent upon the individual consumer’s needs and preferences. Presently, LCD HDTV have a significant number of sales lead over plasma HDTV. A look at the Bestselling flat panel list at Amazon Plasma Display Technology in BriefPlasma technology is based on pixels containing three sub-pixels of microscopic fluorescent lamps in the primary colors red, green and blue. Variation of the intensity of these sub-pixels produces a wide palette of colors combined by the human eye. The lamps don’t actually produce a visible light requiring a scintillator (phosphor) coating which converts the invisible radiation into visible light. As there are millions of sub-pixels in high definition display, multiplexing is used rather than individual sub-pixel control wires. Each sub-pixel is on a unique combination of horizontal and vertical control lines and is addressed by the display electronics when required to turn on. Alternative Coplanar Current (ACC) is another wide-spread plasma panel type. ACC panel control is more complex with each sub-pixel having three electrodes. Plasma Display Strengths
Plasma Display Weaknesses
LCD Technology in BriefLCD pixels don’t emit any light. All the qualities but, also all the faults of the technology stem from that key characteristic. As with plasma displays, an LCD pixel is made up of three primary color sub-pixels. Backlighting is required as the LCD doesn’t emit any light working more like a light valve. Color is added filters with the amount of light allowed to pass through each LCD sub-pixel (valve) providing intensity control. This is a very simplified explanation with the actual physics involved depending upon polarization of light. Importantly though, LCD pixels can be modulated to provide intermediate states between on and off as opposed to plasma pixels. LCD Display Strengths
LCD Display Weaknesses
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