Standards, legislation and
guidance briefing
2
3
Directives
3
LED Standardisation in IEC
IEC 62717
Performance
standard for LED
modules
2014
IEC 62722-2-1
LED-luminaire
performance
requirements
2014
LED Lumen
Maintenance
Projection
IEC 62861
LED Principal
component
reliability
2015
20??
2
LED Standardisation in IEC
2
IEC 62717
Performance
standard for LED
modules
IEC 62722-2-1
LED-luminaire
performance
requirements
LED Lumen
Maintenance
Projection
IEC 62861
LED Principal
component
reliability
IEC Definition of Life
3
7
Useful Life and expressed in general as LxBy
100%
e.g, Useful Life (L70B50) = 50,000h
Relative luminous flux
90%
80%
7
0
7
0
70%
5
0
6
5
7
0
6
5
7
0
6
0
6
5
7
0
5
5
6
0
6
5
7
0
5
5
6
0
6
5
7
0
7
5
7
5
7
5
8
0
7
5
8
0
7
5
8
0
8
5
8
5
9
0
60%
50%
4
B50
L70
10k
20k
30k
40k
50k
60k
Rated Median Useful Life is for the
specific case when we have B50 we call
this Median Useful Life Lx
100%
e.g, Median Useful Life (L70) = 50,000h
Relative luminous flux
90%
80%
7
0
7
0
70%
5
0
6
5
7
0
6
5
7
0
6
0
6
5
7
0
5
5
6
0
6
5
7
0
5
5
6
0
6
5
7
0
7
5
7
5
7
5
8
0
7
5
8
0
8
5
7
5
8
0
8
5
9
0
60%
50%
5
B50
L70
10k
20k
30k
40k
50k
60k
The abrupt light output degradation of a
population of LED modules at a certain point in
time is called Time to Abrupt Failure and
expressed as Cy
e.g, Time to Abrupt Failure (C10) = 53,000h
7
0
7
0
100%
0
6
5
7
0
7
5
6
5
7
0
7
5
6
0
6
5
7
0
7
5
8
0
0
6
0
6
5
7
0
7
5
8
0
8
5
0
6
0
6
5
7
0
7
5
8
0
8
5
7
0
7
0
9
0
6
0
0
6
5
7
0
7
5
6
5
7
0
7
5
6
5
7
0
7
5
8
0
0
6
0
6
5
7
0
7
5
8
0
8
5
0
6
0
6
5
7
0
7
5
8
0
8
5
7
0
9
0
% Survors
7
0
90%
0
6
5
7
0
7
5
6
5
7
0
7
5
6
0
6
5
7
0
7
5
8
0
0
6
0
6
5
7
0
7
5
8
0
8
5
0
6
0
6
5
7
0
7
5
8
0
8
5
9
0
80%
10k
20k
30k
Time to Abrupt Failure
6
40k
50k
53k
60k
The Rated Abrupt Failure Value (AVF) is the
percentage of LED products failing to operate
at the Median Useful Life Lx
e.g, Rated Abrupt Failure Value(AVF) @ 50kh = 8%
100%
7
0
7
0
92%
90%
0
6
5
7
0
7
5
6
5
7
0
7
5
6
0
6
5
7
0
7
5
8
0
0
6
0
6
5
7
0
7
5
8
0
8
5
0
6
0
6
5
7
0
7
5
8
0
8
5
9
0
80%
10k
20k
30k
Time to Abrupt Failure
7
40k
50k
60k
Overview of Lifetime Metrics
For Product Makers
LED modules &
LED luminaires
LED lamps
gradual light output
degradation
abrupt light output
degradation
named:
named:
named:
Time to Abrupt Failure
(Cy)
LED Lamp Life
(MxFy)
Useful Life
(Lx By)
# hrs @ x% light with y %
of the population failed
# hrs @ y% abrupt failures
combined gradual & abrupt
light output degradation
to allow all
combinations
possible
# hrs @ x% of light including
abrupt failures with y % of
the population failed
For Marking and Publication
informative
for y=50 named:
at rated MUL named:
Median Useful Life (Lx)
Abrupt Failure Value
(AFV)
# hrs @ x% light for 50% of
the population
% abrupt failures @ Lx
for y=50 named:
Median LED Lamp
Life (Mx)
# hrs @ x% of light
including abrupt failures
for 50% of the population
at rated MUL named:
Combined Failure Value
(CFV)
% combined failures @ Lx
normative
to limit #
combinations
communicated
LED Standardisation in IEC
2
IEC 62717
Performance
standard for LED
modules
IEC 62722-2-1
LED-luminaire
performance
requirements
LED Lumen
Maintenance
Projection
IEC 62861
LED Principal
component
reliability
Type A – Luminaires using LED modules where compliance with IEC 62717 has
been proven.
Type B – Luminaires using LED modules where compliance with IEC 62717 has
not been proven.
13
Rated input power (in W)
Photometric code
Rated luminous flux (in lm)
Rated Median Useful life (h) and the associated rated lumen maintenance factor (x)
Rated Abrupt Failure Value (%)
Lumen maintenance code
Rated chromaticity co-ordinate values both initial and maintained
Rated correlated colour temperature (CCT in K)
Rated colour rendering index (CRI)
Rated ambient temperature (tq) related to performance for a luminaire (°C)
Rated LED luminaire luminous efficacy (in lm/W)
Ageing time, if different from 0 h
14
LED Standardisation in IEC
2
IEC 62717
Performance
standard for LED
modules
IEC 62722-2-1
LED-luminaire
performance
requirements
LED Lumen
Maintenance
Projection
IEC 62861
LED Principal
component
reliability
HALT (Highly Accelerated Life Testing)
LED Modules tested until -60/+140 ºC
14
HALT (Highly Accelerated Life Testing)
Humidity test
15
LED Standardisation in IEC
2
IEC 62717
Performance
standard for LED
modules
IEC 62722-2-1
LED-luminaire
performance
requirements
LED Lumen
Maintenance
Projection
IEC 62861
LED Principal
component
reliability
LED Standardisation in IEC
LED Lumen
Maintenance
Projection
LED Lumen
Maintenance
Projection
2
LM80
IEC 62717
Performance
standard for
LED modules
6000h
IEC 62722-2-1
LED-luminaire
performance
requirements
Type test
A
LM80
IEC 62717
Performance
standard for
LED modules
IEC 62722-2-1
LED-luminaire
performance
requirements
6000h
6000h
B
IEC 62861
LED Principal
component
reliability
1000h
New work from EU mandates
interconnections between components
and LED device at the LED luminaire and
lighting systems level; interoperability of
thermal, electrical, photometrical and
mechanical interfaces
LED street lighting application
performance
interconnections between components,
and LED module control gear and LED
module at the LED systems level
power factor in terms of the
distortion and displacement
components
interconnection between LED lighting
systems and other lighting systems in
indoor and outdoor environments
interoperability between LED luminaire
and lighting systems and energy
management systems
20