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phosphor |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.23 sec. |
phosphorA rare earth material used to coat the inside face of a CRT. When struck by an electron beam, the phosphor emits a visible light for a few milliseconds. In color displays, red, green and blue phosphor dots are grouped as a cluster. See screen burn. phosphor a substance, such as the coating on a cathode-ray tube, capable of emitting light when irradiated with particles or electromagnetic radiation How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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It is possible to produce LEDs with wide-ranging wavelengths by combining ultraviolet/blue LEDs with phosphor. The new models adopt LANMIT, Canon's roprietary X-ray flat panel sensor consisting of a phosphor layer and amorphous silicon flat panel detector, and can display images in about three seconds. Rather than putting the phosphor directly on the chip, the researchers place the material at a short distance above it. |
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