Panasonic BT-M1950Y Service Manual page 117

2. Phosphor
The BT-M1950T phosphor is SMPTE.
There are more than 50 types of phosphors classified according to type and applications. Of these, the P22 phosphor is
used for color TV receivers and monitors.
The EBU is a type of P22 phosphor standardized for the EBU (European Broadcast Union).
The SMPTE (Society of Motion Picture and Television Engineers) phosphor is widely used in the United States.
Although the respective phosphors differ slightly in the RGB light emitting points on the CIE chromaticity chart, unless
directly compared, the differences are not very apparent.
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