NC 'custom' LED lights retrofitted?

Phil Martin phil at muts.freeserve.co.uk
Tue Jan 30 23:13:06 GMT 2001


Just contact me I should be able to sort something out. The company i work
for only make complete lighting units i dont think they would sell
components.

My own URL is www.poweredbygas.co.uk or www.poweredbygas.com weekend job!

----- Original Message -----
From: "Pat Ford" <pford at qnx.com>
To: <diy_efi at diy-efi.org>
Sent: Tuesday, January 30, 2001 7:38 PM
Subject: Re: NC 'custom' LED lights retrofitted?


> got a url??
>
> Previously, you (Phil Martin) wrote:
> { We make many lenses, diffuser, holders etc for these LED's that may be
> { useful.
> { ----- Original Message -----
> { From: <don.broadus at exeloncorp.com>
> { To: <diy_efi at diy-efi.org>
> { Sent: Tuesday, January 30, 2001 6:38 PM
> { Subject: RE: NC 'custom' LED lights retrofitted?
> {
> {
> { > The white LED is amazing in its brightness, the blue /violet LED's are
> { > brilliant in color . I haven't found the Nichia green yet. I bought
the
> { book
> { > "The Blue Laser Diode" by the Nichia inventor of the blue/green and
blue
> { > laser diode. expensive book but very interesting.
> { >
> { > > -----Original Message-----
> { > > From: Phil Martin [SMTP:phil at muts.freeserve.co.uk]
> { > > Sent: Tuesday, January 30, 2001 8:06 PM
> { > > To: diy_efi at diy-efi.org
> { > > Subject: Re: NC 'custom' LED lights retrofitted?
> { > >
> { > > I work for a company that use thousands of led's a week from HP
led's in
> { > > red
> { > > , amber and also Nichia white, green and blues. You have to be
careful
> { > > when
> { > > buying these as they come from different bins and the brightness can
> { vary
> { > > hugely. I have some 15 degree white LED's that are good enough for a
> { small
> { > > torch.
> { > >
> { > > All the led's have a life of aprox 127 years at 20mA except for the
> { white
> { > > which are at half brightness after 18 months continuous. This is
because
> { > > thay are essentially a UV led with a white phosphor and the UV kills
the
> { > > plastic.
> { > >
> { > > Run them all at 30mA and you should have no problems under nearly
any
> { temp
> { > > conditions.
> { > >
> { > >
> { > > ----- Original Message -----
> { > > From: "Pat Ford" <pford at qnx.com>
> { > > To: <diy_efi at diy-efi.org>
> { > > Sent: Tuesday, January 30, 2001 3:14 PM
> { > > Subject: RE: NC 'custom' LED lights retrofitted?
> { > >
> { > >
> { > > > To make matters worse the leds current requirements are temp
> { dependent.
> { > > >
> { > > > Previously, you (don.broadus at exeloncorp.com) wrote:
> { > > > { it is going to be very hard to get cost in line on even on a
group
> { > > buy.
> { > > The
> { > > > { best thing to do is get a bunch of third brake light bars from
the
> { > > junk
> { > > yard
> { > > > { and use the high brightness leds off of these. Most red Leds
have a
> { > > view
> { > > > { angle of only 15 degrees or so. The new white Leds have a view
angle
> { > > of
> { > > 135
> { > > > { degrees but are $2 each.  You can bust out the glass of the old
1157
> { > > bulb
> { > > > { and group 3 leds for
> { > > > { running and 3 for brake light. The current limiting resistors
> { control
> { > > the
> { > > > { brightness
> { > > > {
> { > > > {
> { > > >
> { > > >
> { > > > --
> { > > > Pat Ford                           email: pford at qnx.com
> { > > > QNX Software Systems, Ltd.           WWW: http://www.qnx.com
> { > > > (613) 591-0931      (voice)         mail: 175 Terence Matthews
> { > > > (613) 591-3579      (fax)                 Kanata, Ontario, Canada
K2M
> { > > 1W8
> { > > >
> { > > >
> { >
> {
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> --
> Pat Ford                           email: pford at qnx.com
> QNX Software Systems, Ltd.           WWW: http://www.qnx.com
> (613) 591-0931      (voice)         mail: 175 Terence Matthews
> (613) 591-3579      (fax)                 Kanata, Ontario, Canada K2M 1W8
>
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