phosphor

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phos·phor

(fos'fŏr),
1. A chemical substance that transforms incident electromagnetic or radiation energy into light, as in scintillation radioactivity determinations or radiographic intensifying screens or image amplifiers.
2. Any substance capable of exhibiting phosphorescence.
[G. phōs, light, + phoros, bearing]

phos·phor

(fos'fŏr)
A chemical substance that transforms incident electromagnetic or radioactive energy into light, as in scintillation radioactivity determinations or radiographic intensifying screens or image amplifiers.
[G. phōs, light, + phoros, bearing]

phosphor

(fos′fŏr, ′for″) [Fr. phosphore, fr L. phosphorus, morning star, fr Gr. phōsphoros, light-bringer]
A substance that in radiographic intensifying screens, fluoroscopic image intensifiers, or other image receptors converts photons of ionizing radiation into light, thereby amplifying the image.

rare-earth phosphor

An element such as yttrium, gadolinium, or lanthanum, used for ultra-high-speed radiographic intensification screens.
References in periodicals archive ?
But the company is moving to limit investment in plasma displays in the face of technological innovations in the field of liquid crystal displays, they said.
Current Site Name Panasonic Plasma Display (Shanghai) Co.
The purchase of the 505,000 shares and NEC's intellectual property rights related to plasma displays cost Pioneer 37 billion yen, according to the home electronics products maker.
Koji Nishigaki, president of NEC Corporation, which employs a total of 150,000 people worldwide, including a large number of workers in the UK, also said: 'I am very pleased to strengthen the strategic partnership with Thomson through the plasma display business.
NEC and Thomson also plan to launch a global joint research and development programme that would cover all aspects of plasma display panels and modules.
A photovoltaic cell panel plant has some production steps similar to those at a plasma display factory.
In addition to the NEC Plasma Display acquisition, Pioneer plans to expand its production lines to boost annual output to 1 million units in fiscal 2005, which starts April 1 of that year.
In a year when LCD manufacturers were raving about 1080p displays, it's validation of the superior picture quality of plasma displays to receive these two prestigious awards," Johnston said.
Matsushita will produce jointly developed plasma display panels and start shipping them at the end of June next year.
plans to pull out of plasma display panel production probably by the end of fiscal 2008 as profitability of the flat-screen TV business worsens amid intensifying competition, sources familiar with the matter said Tuesday.
Pioneer introduced the industry's first high definition plasma display in 1997 and has become known for its continued product innovation.
announced Friday it will stop making plasma display panels and switch to procurement from outside due to difficulty in securing profits in the panel production business.

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