[sdiy] more backlighting questions

[Theo]

There are special "front" lighting diodes, very wide angle horizontal,
narrow angle vertical.
These get mounted on the top edge of the LCD.
Farnell carries them among others.

IMHO the best thing to do is buy a back lighted LCD display.
There are only a view standards for displays, it won't be hard to find which
one you need.

EL or LED, mmm.
Most EL has a rather short half live of 2000 hours and a total live time off
about 15000 to 20000 hours.
So if you plan to use it on equipment that is "never" turned off, EL lives
for about 2 years only.
LEDs can last up to 1000 times longer.

Just some thoughts,
Theo



From: GothGeek Sysadmin <xyzzy at sysabend.org>

> On Fri, Oct 19, 2001 at 02:58:03AM -0400, CHoaglin at aol.com wrote:
> > I've now gotten to the point where it's pretty certain the backlight
retrofit
> > will work, but now I'm trying to decide...LED or EL?
> >
> > Right now the pros and cons I can think of are:
> >
> > LED
> > ..stuff deleted..
> > EL
> > ..stuff deleted..
>
> If the LCD has a reflective backing, you will have to remove it to use an
> EL backlight and then you will Always have to use the EL even when you
have
> decent front lighting.
>
> There are FrontLighting LED kits that use a thin sheet of lightguide.
>
> Check out this site :
> http://www.portablemonopoly.com/
>
> Its one persons travels on making a Gameboy Advance backlit.  He did find
> some LED/Lightguide sources.
>
> Personally I just dig thru junk at Mike Quin's ( surplus shop in San
Leandro )
> until I find something I can mutilate.  Yesterdays aquisition?  720k
> floppy drives that fit my Ensoniq Mirage and also fit my Atari STs I
bought
> after the last round of talking about software sequencers in here...
> ( anyone wanna give me pointers on getting a harddrive up on this thing
> without getting the Dreaded Four Bombs?? )
>
> Sing while you may!
>
> --
>  ------------------------------------------------------------------------
>  - Tom Arnold -       When I was small, I was in love,                  -
>  - Sysabend   -       In love with everything.                          -
>  - CareTaker  -       And now there's only you...                       -
>  --------------         -- Thomas Dolby, "Cloudburst At Shingle Street" -
>
>