Transcript www.forge-europa.co.uk

Myth-busting:
Everything You Wanted to Know About
LED Lighting But Were Afraid to Ask!
David Scott-Maxwell
R&D Manager
Forge Europa Visible Solutions
Myth #1: LED Technology is New
Myth #1: LED Technology is New
Myth #1: LED Technology is New
Thomas Edison
~ c1880
Myth #1: LED Technology is New
Thomas Edison
c1880
Myth #1: LED Technology is New
Henry Round
c1907
Thomas Edison
c1880
Myth #2: LEDs are Not Bright Enough for Lighting
Myth #2: LEDs are Not Bright Enough for Lighting
Myth #2: LEDs are Not Bright Enough for Lighting
US Government 2002
Myth #2: LEDs are Not Bright Enough for Lighting
US Government 2002
Myth #2: LEDs are Not Bright Enough for Lighting
US Government 2002
Myth #3: LEDs Last for 100s of Thousands of Hours…
Myth #3: LEDs Last for 100s of Thousands of Hours…
This is not a myth…!
Myth #3: LEDs Last for 100s of Thousands of Hours…
This is not a myth…
Myth #3: LEDs Last for 100s of Thousands of Hours…
Myth #3: LEDs Last for 100s of Thousands of Hours…
Myth #3: LEDs Last for 100s of Thousands of Hours…
Myth #3: LEDs Last for 100s of Thousands of Hours…
So – LEDs can last 100s of thousands of hours…
Myth #3: LEDs Last for 100s of Thousands of Hours…
So – LEDs can last 100s of thousands of hours…
"It depends on what the
meaning of the word 'is' is."
Bill Clinton, 1998.
Myth #3: LEDs Last for 100s of Thousands of Hours…
So – LEDs can last 100s of thousands of hours…
It depends on what the meaning of the word LED is…
Myth #3: LEDs Last for 100s of Thousands of Hours…
So – LEDs can last 100s of thousands of hours…
It depends on what the meaning of the word LED is…
… bare LED chip?
Myth #3: LEDs Last for 100s of Thousands of Hours…
So – LEDs can last 100s of thousands of hours…
It depends on what the meaning of the word LED is…
… bare LED chip?
… packaged LED?
Myth #3: LEDs Last for 100s of Thousands of Hours…
So – LEDs can last 100s of thousands of hours…
It depends on what the meaning of the word LED is…
… bare LED chip?
… packaged LED?
… LED light engine?
Myth #3: LEDs Last for 100s of Thousands of Hours…
So – LEDs can last 100s of thousands of hours…
It depends on what the meaning of the word LED is…
… bare LED chip?
… packaged LED?
… LED light engine?
… LED module?
Myth #3: LEDs Last for 100s of Thousands of Hours…
So – LEDs can last 100s of thousands of hours…
It depends on what the meaning of the word LED is…
… bare LED chip?
… packaged LED?
… LED light engine?
… LED module?
… LED light bulb?
Myth #3: LEDs Last for 100s of Thousands of Hours…
So – LEDs can last 100s of thousands of hours…
It depends on what the meaning of the word LED is…
… bare LED chip?
… packaged LED?
… LED light engine?
… LED module?
… LED light bulb?
… LED luminaire?
…
Myth #3: LEDs Last for 100s of Thousands of Hours…
LED Light Bulb Example:
Myth #3: LEDs Last for 100s of Thousands of Hours…
LED Light Bulb Example:
Myth #3: LEDs Last for 100s of Thousands of Hours…
LED Light Bulb Example:
Myth #3: LEDs Last for 100s of Thousands of Hours…
LED Light Bulb Example:
Myth #3: LEDs Last for 100s of Thousands of Hours…
LED Light Bulb Example:
Myth #3: LEDs Last for 100s of Thousands of Hours…
LED Light Bulb Example:
Manufacturing Quality Gap
Myth #3: LEDs Last for 100s of Thousands of Hours…
LED Light Bulb Example:
Manufacturing Quality Gap
• Christmas Tree build quality
Myth #3: LEDs Last for 100s of Thousands of Hours…
LED Light Bulb Example:
Manufacturing Quality Gap
• Christmas Tree build quality
• Homemade LEDs
Myth #3: LEDs Last for 100s of Thousands of Hours…
LED Light Bulb Example:
Manufacturing Quality Gap
• Christmas Tree build quality
• Homemade LEDs
• Unlicensed phosphor
Myth #3: LEDs Last for 100s of Thousands of Hours…
LED Light Bulb Example:
Manufacturing Quality Gap
• Christmas Tree build quality
• Homemade LEDs
• Unlicensed phosphor
• EMC/CE tested/approved?
Myth #3: LEDs Last for 100s of Thousands of Hours…
LED Light Bulb Example:
Manufacturing Quality Gap
• Christmas Tree build quality
• Homemade LEDs
• Unlicensed phosphor
• EMC/CE tested/approved?
• 30Khr Warranty?
Myth #3: LEDs Last for 100s of Thousands of Hours…
LED Light Bulb Example:
Manufacturing Quality Gap
• Christmas Tree build quality
• Homemade LEDs
• Unlicensed phosphor
• EMC/CE tested/approved?
• 30Khr Warranty?
Myth #4: All Lighting Class LEDs are Equal
Myth #4: All Lighting Class LEDs are Equal
80
Intensity (Lumens)
70
60
50
40
30
20
10
~4 Years Lumen Maintenance Data
0
0
5000
10000
15000
20000
Duration (Hrs)
25000
30000
35000
Myth #4: All Lighting Class LEDs are Equal
0.44
0.39
Y
0.34
0.29
0.24
~4 Years Colour Shift Data
0.19
0.24
0.29
0.34
X
0.39
0.44
Myth #5: There are no Standards for LED Lighting
Myth #5: There are no Standards for LED Lighting
IEC standards
Myth #5: There are no Standards for LED Lighting
Product type
Safety
Performance
LED Lamp > 50 V (240V)
62560
PAS 62612
LED Lamp < 50 V (12V)
XXXXX
XXXXX
LED Modules
62031
PAS XXXXX
LED Connectors
60838-2-2
-
LED Control Gear (Drivers)
61347-1
61347-2-13
62384
LED Luminaires
60598-1
60598-2-xx
PAS XXXXX
IEC standards
Myth #5: There are no Standards for LED Lighting
IESNA LM-79-08
Approved Method: Electrical and Photometric
Measurements of Solid-State Lighting Products
IESNA LM-80-08
Approved Method: Lumen Maintenance Testing of LED
Light Sources
IESNA RP-16-05
Nomenclature and Definitions for Illuminating
Engineering
IESNA TM-16-05
Technical Memorandum on Light Emitting Diode (LED)
Sources and Systems
ANSI C78.377 : 2008
Specifications for the Chromaticity of Solid State
Lighting Devices
UL 8750
Outline of Investigation for Light-Emitting Diode (LED)
Light Sources for Use in Lighting Products
IES standards
Myth #5: There are no Standards for LED Lighting
…then there are separate LED Lighting performance criteria per:
Myth #5: There are no Standards for LED Lighting
…then there are separate LED Lighting performance criteria per:
Carbon Trust -
Myth #5: There are no Standards for LED Lighting
…then there are separate LED Lighting performance criteria per:
Energy Saving Trust -
Myth #5: There are no Standards for LED Lighting
…then there are separate LED Lighting performance criteria per:
Building Regulations -
Myth #5: There are no Standards for LED Lighting
In summary -
Myth #5: There are no Standards for LED Lighting
In summary –
There are probably too many standards …
Myth #5: There are no Standards for LED Lighting
In summary –
There are probably too many standards …
… being developed by too many parties…
Myth #5: There are no Standards for LED Lighting
In summary –
There are probably too many standards …
… being developed by too many parties…
… in too much isolation…
Myth #5: There are no Standards for LED Lighting
In summary –
There are probably too many standards …
… being developed by too many parties…
… in too much isolation…
… too quickly !
Myth #5: There are no Standards for LED Lighting
In summary –
There are probably too many standards …
… being developed by too many parties…
… in too much isolation…
… too quickly !
With no talk of LED device standardisation yet…
Myth #5: There are no Standards for LED Lighting
In summary –
There are probably too many standards …
… being developed by too many parties…
… in too much isolation…
… too quickly !
With no talk of LED device standardisation yet…
But - some standards are better than no standards!
Myth #5: There are no Standards for LED Lighting
Don’t worry - the Government will look after LED Lighting…
Myth #5: There are no Standards for LED Lighting
Don’t worry - the Government will look after LED Lighting…
Myth #5: There are no Standards for LED Lighting
Don’t worry - the Government will look after LED Lighting…
Listen Ed,
LED Lighting
like this is
the future…
Myth #5: There are no Standards for LED Lighting
Don’t worry - the Government will look after us…
Listen Ed,
LED Lighting
like this is
the future…
… the future…
… I wonder
what happens
there …
LED
EXPERT
Thank You !