Patent ID: 9491828
Filing Date: 2016-11-08
CPC Classification: H05B

Claim Text:
1. A method of making a lighting device, said method comprising: measuring a first color output of a lighting device while supplying a first string initial current to a first string of solid state lighting devices, a second string initial current to a second string of solid state lighting devices and a third string initial current to a third string of solid state lighting devices, said lighting device comprising at least said first string of solid state lighting devices, said second string of solid state lighting devices, said third string of solid state lighting devices and a power line, adjusting the current supplied to at least one of said first string of solid state lighting devices, said second string of solid state lighting devices and said third string of solid state lighting devices such that a first string final current is supplied to said first string of solid state lighting devices, a second string final current is supplied to said second string of solid state lighting devices and a third string final current is supplied to said third string of solid state lighting devices; permanently setting said first string of solid state lighting devices, such that if any line voltage is supplied to said power line, said first string final current will be supplied to said first string of solid state lighting devices; permanently setting said second string of solid state lighting devices, such that if any line voltage is supplied to said power line, said second string final current will be supplied to said second string of solid state lighting devices.