plasma display


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plasma display

[′plaz·mə di′splā]
(electronics)
A display in which sets of parallel conductors at right angles to each other are deposited on glass plates, with the very small space between the plates filled with a gas; each intersection of two conductors defines a single cell that can be energized to produce a gas discharge forming one element of a dot-matrix display.

plasma display

Also called "gas discharge display," a plasma display is an earlier flat-screen technology that uses tiny cells lined with phosphor that are full of inert ionized gas (typically a mix of xenon and neon). Three cells make up one pixel (one cell has red phosphor, one green, one blue). The cells are sandwiched between x- and y-axis panels, and a cell is selected by charging the appropriate x and y electrodes. The charge causes the gas in the cell to emit ultraviolet light, which causes the phosphor to emit color. The amount of charge determines the intensity, and the combination of the different intensities of red, green and blue produce all the colors required.

No More Plasma TVs
Plasma displays were initially monochrome, typically orange, but color displays became popular for home theater and computer monitors as well as digital signs. Plasma is similar to the way neon signs work combined with the red, green and blue phosphor technology of a CRT. Plasma monitors consume significantly more current than LCD-based monitors, and they have been replaced by organic LED screens (see OLED). See flat panel TV, LCD vs. plasma, phosphor and surface-conduction electron-emitter display.


Plasma Pixels
Each pixel is made up of three cells full of ionized gas that are lined with red, green and blue phosphors. When charged, the gas emits ultraviolet light that causes the phosphors to emit their colors.







Plasma Vs. LCD
Plasma and LCD use entirely different means to create colors. Plasma uses gas and phosphors while LCD uses liquid crystals and color filters. See LCD vs. plasma.




Plasma Vs. LCD
Plasma and LCD use entirely different means to create colors. Plasma uses gas and phosphors while LCD uses liquid crystals and color filters. See LCD vs. plasma.
References in periodicals archive ?
is weighing whether to cease research and development for plasma displays used in flat-panel televisions by the end of fiscal 2012 through March, sources familiar with the matter said Monday.
Panasonic will strengthen production of plasma display panels in China, a rapidly growing flat-panel TV market.
30 /PRNewswire/ -- DOLPHIN STADIUM: On Sunday, February 4th, football fans at Dolphin Stadium for the Super Bowl XLI match-up between the Indianapolis Colts and the Chicago Bears will have the added advantage of not missing any of the sport's ultimate game action thanks to eight super-sized Panasonic 103" plasma displays.
Pioneer President Kaneo Ito said in a statement, ''This is a very important milestone for Pioneer's plasma display business, the very core business on which Pioneer has been placing utmost priority.
I am very pleased that we intend now to pool fully our common expertise in plasma display technology in order to create a worldwide leadership in this very attractive high end display technology,' said Thierry Breton, chairman and chief executive of Thomson, which employs more than 67,000 people in 30 countries.
In an important project for the company, Com-Net is in the process of installing 65 40-inch plasma displays at Dayton International Airport in the ticket counter, gate, terminal, and baggage areas.
A photovoltaic cell panel plant has some production steps similar to those at a plasma display factory.
Noted industry analyst Richard Doherty, research director and CEO of the Envisioneering Group, hailed the formation of the Plasma Display Coalition as "a bold initiative among some of the world's premier consumer electronics companies.
NEC Plasma Display, capitalized at 10 billion yen, also produces about 250,000 units a year.
The challenge in creating a 50-inch plasma display that could display a 1080p signal was to reduce the pixel size by half in order to fit more than 2 million pixels in the screen.
Matsushita will use the plasma display panels for its Viera brand of televisions and will also supply them to Pioneer for its Kuro brand TVs.
Best-in-class image quality and accurate HD image reproduction is made possible through a blend of NEC's patented technologies, including Capsulated Color Filter (CCF) and AccuCrimson Filter technology for the truest, most realistic colors, as well as Digital AccuDevice for artifact and noise-free video and Gamma 12 for the highest color processing available in a plasma display.

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