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Re: About LEDs and LCDs

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On a sunny day (Tue, 10 Oct 2017 15:08:01 GMT) it happened Jan Panteltje
<pNaonStpealmtje@yahoo.com> wrote in <orinok$j1q$1@adenine.netfront.net>:

>On a sunny day (Tue, 10 Oct 2017 08:06:38 -0400) it happened bitrex
><bitrex@de.lete.earthlink.net> wrote in <tJ2DB.15074$Ov1.863@fx30.iad>:
>
>>This type of module (with one, two, or four lines) plus EL backlight 
>>underneath seems to have been the illuminated display of choice in a lot 
>>of pro audio equipment, synthesizers, etc. in the 1980s and early 1990s. 
>>On the plus side EL material degrades gradually; I'd estimate it has a 
>>"time to half brightness" of around 15 years run a couple hours a day.
>>
>>On the downside EL material isn't that bright to begin with, and it 
>>seems usually the switching transistor or electrolytic caps in the 
>>blocking oscillator used to generate the HV go kaput before the 
>>backlight does.
>
>There is actually an other argument against LCD panels,
>and that is polarization.
>Try looking at one through a pair of Polaroid glasses, and then tilt you head.
>My LDC monitor is 45 degrees polarized it seems, and will then go black,
>the small multi-line LCDs 90 degrees.
>
>That is also the reason airline pilots do not wear Polaroid sunglasses,
>in these days with glass-cockpits it would make reading instruments problematic if you look sideways etc.
>
>So, OLED is is ;-)

Or not, my little OLED displays also go black at 90 degrees...
Where does that leave us now :-)

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About LEDs and LCDs Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2017-10-09 17:58 +0000
  Re: About LEDs and LCDs John Larkin <jjlarkin@highland_snip_technology.com> - 2017-10-09 11:20 -0700
    Re: About LEDs and LCDs Klaus Kragelund <klauskvik@hotmail.com> - 2017-10-09 11:42 -0700
      Re: About LEDs and LCDs Jan Panteltje <pNaonStpealmtje@yahoo.com> - 2017-10-09 19:24 +0000
        Re: About LEDs and LCDs klaus.kragelund@gmail.com - 2017-10-09 13:13 -0700
    Re: About LEDs and LCDs Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2017-10-09 19:08 +0000
  Re: About LEDs and LCDs bitrex <bitrex@de.lete.earthlink.net> - 2017-10-09 16:28 -0400
    Re: About LEDs and LCDs Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2017-10-10 08:16 +0000
    Re: About LEDs and LCDs Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2017-10-10 08:16 +0000
      Re: About LEDs and LCDs bitrex <bitrex@de.lete.earthlink.net> - 2017-10-10 08:06 -0400
        Re: About LEDs and LCDs Jan Panteltje <pNaonStpealmtje@yahoo.com> - 2017-10-10 15:08 +0000
          Re: About LEDs and LCDs Jan Panteltje <pNaonStpealmtje@yahoo.com> - 2017-10-10 15:13 +0000
            Re: About LEDs and LCDs Allan Herriman <allanherriman@hotmail.com> - 2017-10-10 23:21 +0000
          Re: About LEDs and LCDs Clifford Heath <no.spam@please.net> - 2017-10-11 10:58 +1100
            Re: About LEDs and LCDs Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-10-10 17:10 -0700
            Re: About LEDs and LCDs Jan Panteltje <pNaonStpealmtje@yahoo.com> - 2017-10-11 14:40 +0000
              Re: About LEDs and LCDs jack4747@gmail.com - 2017-10-11 07:45 -0700
                Re: About LEDs and LCDs Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-10-11 15:02 +0000
              Re: About LEDs and LCDs krw@notreal.com - 2017-10-11 21:03 -0400
                Re: About LEDs and LCDs Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-10-12 07:19 +0000
                Re: About LEDs and LCDs rickman <gnuarm@gmail.com> - 2017-10-12 13:07 -0400
                Re: About LEDs and LCDs Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2017-10-12 17:18 +0000
                Re: About LEDs and LCDs kevin93 <kevin@whitedigs.com> - 2017-10-12 19:30 -0700
                Re: About LEDs and LCDs krw@notreal.com - 2017-10-12 21:28 -0400
                Re: About LEDs and LCDs krw@notreal.com - 2017-10-12 20:55 -0400
              Re: About LEDs and LCDs Jasen Betts <jasen@xnet.co.nz> - 2017-10-12 04:22 +0000
          Re: About LEDs and LCDs Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-10-10 17:12 -0700
            Re: About LEDs and LCDs Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-10-11 14:41 +0000
  Re: About LEDs and LCDs Martin Brown <'''newspam'''@nezumi.demon.co.uk> - 2017-10-10 14:56 +0100
    Re: About LEDs and LCDs Jan Panteltje <pNaonStpealmtje@yahoo.com> - 2017-10-10 14:20 +0000

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