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 was an earlier flat-screen technology that used tiny cells lined with phosphor that were full of inert ionized gas (typically a mix of xenon and neon). Plasma displays were similar to the way neon signs work combined with the phosphors of a CRT. In fact, a plasma screen was like having a miniature CRT for each pixel (see CRT).

Plasma TVs Were Top of the Line
Initially monochrome displays for laptops in the 1980s, color displays for TVs emerged in the 1990s to eventually become the most coveted TV technology (see plasma TV). See flat panel TV, phosphor and surface-conduction electron-emitter display.


Plasma Pixels
Each pixel comprised three ionized gas cells lined with red, green and blue phosphors. Sandwiched between x- and y-axis panels, a cell was selected by charging the intersecting x-y electrodes. The charge caused the gas to emit ultraviolet light, which caused the phosphor to emit color. The amount of charge determined the intensity, and the combination of different intensities of red, green and blue produced all the colors and shades.







LCD vs. Plasma
LCD creates colors entirely different than plasma. Whereas plasma uses gas and phosphors, LCD uses liquid crystals, color filters and backlights. 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.
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.
The two companies intend to create a 50/50 joint venture company for research and development, manufacturing and sales of plasma display panels, modules and monitors.
is a national value-added wholesale distributor of display technology solutions, and the largest wholesale distributor of plasma display monitors in the United States.
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.
The oil firm has a plan to build a photovoltaic cell factory with annual production capacity of 1 million kilowatts by 2011 and is considering the Hitachi Plasma Display plant as one of the candidates for the planned facility, they said.
NEC Plasma Display, capitalized at 10 billion yen, also produces about 250,000 units a year.
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.

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