Alan,
I have to disagree with you here.
Brightness plays a role but more important is the light pattern the bulb
gives.
A traditional bulb radiates from a point (spiral glow wire) and the
lamps reflector and or lens are designed to transform the emitted light
from this point into a specific beam. This necessitates that the spiral
in the bulb is always in exactly the same position, which is guaranteed
by the various standards like DIN / EN / BSI / SAE etc.
The problem is that the LED bulbs do not radiate from a point, but from
a much larger area and also in the wrong position which makes it
impossible for the lamp reflector or lens to cope with and shape it into
the intended beam, resulting in very poor visibility. An easy check is
to fit the rear lamps of one side of the car with LED bulbs and the
other with the standard bulb and watch the difference in daylight!!
These LED bulbs can only be used safely in lamps designed specifically
for them.
Kees Oudesluijs
NL
[demime 1.01d removed an attachment of type text/x-vcard which had a name of
coudesluijs.vcf]
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