Phosphor: Difference between revisions

From TekWiki
Jump to navigation Jump to search
No edit summary
No edit summary
Line 1: Line 1:
In a context of chemistry, or when referring to [[cathode-ray tube]]s, '''phosphor''' refers to any of various compounds of transition metals or of rare earths that exhibits phosphorescence. This is not to be confused with the chemical element ''phosphorus'' (symbol P,  atomic number of 15).
In a context of chemistry, or when referring to [[cathode-ray tube]]s, '''phosphor''' refers to any of various compounds of transition metals or of rare earths that exhibits phosphorescence. This is not to be confused with the chemical element ''phosphorus'' (symbol P,  atomic number of 15) which emits light due to chemiluminescence, not phosphorescence.
 
CRT phosphors were standardized beginning around World War II and designated by the letter "P" followed by a number.


The choice of phosphor for a CRT is based on the intended application of the instrument.  The phosphor affects:
The choice of phosphor for a CRT is based on the intended application of the instrument.  The phosphor affects:

Revision as of 23:15, 12 April 2017

In a context of chemistry, or when referring to cathode-ray tubes, phosphor refers to any of various compounds of transition metals or of rare earths that exhibits phosphorescence. This is not to be confused with the chemical element phosphorus (symbol P, atomic number of 15) which emits light due to chemiluminescence, not phosphorescence.

CRT phosphors were standardized beginning around World War II and designated by the letter "P" followed by a number.

The choice of phosphor for a CRT is based on the intended application of the instrument. The phosphor affects:

  • trace color
  • maximum trace brightness
  • trace width
  • persistence time
  • writing rate
  • resistance to burns

Further reading

Retrieved from "https://w140.com/tekwiki/index.php?title=Phosphor&oldid=24973"