phosphor
Radiation-activated light-emitter
A phosphor is a substance that glows when exposed to radiation or electron beams.
Television and computer screens once relied on phosphors coating the inside of cathode ray tubes—electron beams struck the phosphors, which emitted the light that formed images.
The term persists in display technology even as the underlying mechanisms have changed.
Phosphors also appear in fluorescent lighting and glow-in-the-dark materials.
Vacuum tube display
- screenDisplay or barrier
- monitorDisplay or supervisor
- televisionBroadcast viewing device
- pixelSmallest display unit
raster · persistence · burn-in · brightness · contrast · oscilloscope · radar · coating
Steady, soft light
- fluorescenceLight emitted after absorption
- afterglowLingering light or feeling
- photoluminescenceLight emission after absorption
- emissionDischarged substance or act
excitation · wavelength · spectrum · ultraviolet · coating · powder · activator · light-emitting
Semiconductor-altering impurity
- activatorAgent that initiates
- impuritySubstance degrading another's quality
- semiconductorPartial electrical conductor
- europiumElement sixty-three
Calcium phosphate mineral
- phosphatePO₄ ion compound
- fluorapatiteCalcium phosphate mineral containing fluorine
- guanoAccumulated bird droppings
- sedimentaryFormed from deposited material
deposit · ore · mining · fertilizer · calcium · rock · nodule · marine
CRT
Vacuum tube display
- screenDisplay or barrier
- monitorDisplay or supervisor
- televisionBroadcast viewing device
pixel · raster · persistence · burn-in · brightness · contrast · oscilloscope · radar · coating · afterglow
glow
Steady, soft light
- fluorescenceLight emitted after absorption
- afterglowLingering light or feeling
- photoluminescenceLight emission after absorption
emission · excitation · wavelength · spectrum · ultraviolet · coating · powder · activator · light-emitting · illumination
dopant
Semiconductor-altering impurity
- activatorAgent that initiates
- impuritySubstance degrading another's quality
- semiconductorPartial electrical conductor
europium · terbium · manganese · copper · silver · cerium · LED
apatite
Calcium phosphate mineral
- phosphatePO₄ ion compound
- fluorapatiteCalcium phosphate mineral containing fluorine
- guanoAccumulated bird droppings
sedimentary · deposit · ore · mining · fertilizer · calcium · rock · nodule · marine · geological
nonmetal
Element without conductivity
flammable · toxic · matches · incendiary · tracer · fertilizer · ATP · DNA · bones · teeth
- fluorescent lightsfluorescent, fluorescent lamps, tube light, CFL, CFL bulb
- stampsstamp, stamps, commemorative stamps, mint stamps, used stamps
- CRT partscathode, anode, electron gun, electron beam, filament
- televisionsTV, HDTV, flat screen, plasma TV, LCD TV
- LEDsLED, LED bulb, LED chip, LED strip, LED lamp
- luminescenceluminescence, fluorescence, bioluminescence, chemiluminescence, photoluminescence
phosphorabsorber
Thing that takes in
blackbody · darkener · carbon black · black body · quencher
- white phosphorusPyrophoric toxic allotrope
- phosphorus pentoxidePotent water-removing compound
- phosphoric acidH₃PO₄ chemical compound
phosphorus, phosphorescent, phosphorescence, phosphoric, phosphorous, phosphors