Full Description JIS C 8152-1:2019 specifies the method for obtaining the luminous quantities such as CIE averaged LED intensity and total luminous flux, and the quantities concerning the light source colour of white light emitting diode (LED) packages for general lighting.
JIS C 8152-1:2019 history
2019JIS C 8152-1:2019 Photometry of white light emitting diode for general lighting -- Part 1: LED packages
2014JIS C 8152-1 AMD 1:2014 Photometry of white light emitting diode for general lighting -- Part 1: LED packages (Amendment 1)
2012JIS C 8152-1:2012 Photometry of white light emitting diode for general lighting -- Part 1: LED packages
2007JIS C 8152:2007 Measuring methods of white light emitting diode for general lighting