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SUMMARY
Yole Developpement has edited a new report describing the market and
technology trends for HB LEDs in general illumination and automotive lighting.
In 2007, GaN-based LEDs will reach a higher luminous efficiency than
fluorescents. The ramping-up of solid-state lighting business will really
start at that time. Companies like Lumileds, Osram, Nichia or Cree are now
marketing high brightness white LEDs with more than 40 lumen/watt efficiency)
and an ASP less than 5$/part. We forecast that the annual demand for LEDs for
general illumination should reach about 3.6 billions units in 2010 and between
4 to 7 billions units after 2020.
HB-LEDs have also really strong market opportunities in the automotive, many
reasons for that, among them:
- important reliability (e.g. lifetime much larger than needed 10 000 h
while 3 000 h is necessary for low beams)
- use for internal and external lighting,
- low consumption,
The small size of LEDs enables:
- new design possibilities (for external light, they could be very close to
the optics)
- increased integration (for internal light, their small size is ideal as
little space is available)
In term of security, LEDs have fast reaction time: LEDs light up around 250
milliseconds quicker than bulbs. Therefore, at 100 km/h speed, that means a
gain in braking distance of 7 meters.
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