Re: n00b looking for a 1"+ monochrome display that

From Wear-Hard Mailing list Archive (WH) Maintained by R. Paul McCarty

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Daniel, have you tried one of those ultrabright LED's as a backlight yet? I=
=20
don't see anything over 5000 mcd(500cd?) though.

On 9/7/05, Daniel Tso <> wrote:
>=20
> Yes, the brightness of these is good, BUT the size is too small.
> The diagonals are .61", which is about 1/2 the size we need, or
> 1/4 the area we need, and thus, with perfect optics, would yield
> 600/4 or only 150cd/m2 for the image size we need.
>=20
> Do you have an OLED array that is at least 1" diagonal ?
>=20
> Tony Havelka wrote:
>=20
> > Check out:
> >
> > The Green SVGA+ OLED >600cd/m2
> > http://tinyurl.com/a5zbq
> >
> > and add our high brightness controller.
> >
> > We have Green, White and Color in stock, Yellow @ >650cd/m2 is about 90=
=20
> days
> > away.
> >
> > -Tony
> >
> >>-----Original Message-----
> >>From:  [mailto:]=
=20
> On
> >>Behalf Of Daniel Tso
> >>Sent: Wednesday, September 07, 2005 2:10 PM
> >>To: 
> >>Subject: [Wear-Hard] n00b looking for a 1"+ monochrome display that
> >>is*very* bright...
> >>
> >> I'm a newbie on this list, though I've played with
> >>small displays before. In particular, I've used the Kopin
> >>M1 and the Albatech Personal. I've also taken apart an old
> >>SONY Hi-8 camcorder and successfully extracted and used the
> >>BW CRT viewfinder, feeding it RS170 video.
> >>
> >> What I'm looking for now is a small display, about
> >>1-1.3" diagonal (square is good too). It doesn't have to be
> >>color, monochrome is fine. Resolution doesn't have to be
> >>high -- VGA is fine, even 320x240 is ok. It does need to be
> >>quite BRIGHT: 200cd/m2 would be nice, even higher would be
> >>better (1000cd/m2 anyone). Short of this, a device in which
> >>I could change the backlighting might work. I could use
> >>either a VGA-style input signal interface, or NTSC. A decent
> >>contrast ratio would also be helpful (at least 100:1 if not,
> >>say, 500:1). Price ? be nice if it were under $1000.
> >>
> >> So anyone have any suggestions ?
> >>
> >> So far the Albatech has come the closest, but it is
> >>only about 100cd/m2. The Kopin is too small and thus, though
> >>bright, is not bright enough when expanded to the 1" image
> >>size. Same goes for the eMagin OLED (nice and bright but too
> >>small), and the camcorder CRT. We've used a DLP projector in
> >>the past -- plenty of light but very clumsy. I'm thinking of
> >>trying a larger camcorder viewfinder. But I'd love to find
> >>an LCD or OLED array that better met these criteria.
> >>
> >> Thanks.
> >>
> >>_______________________________________________
> >>Wear-Hard mailing list
> >>
> >>http://www.haven.org/mailman/listinfo/wear-hard
> >
> >
> >
> > _______________________________________________
> > Wear-Hard mailing list
> > 
> > http://www.haven.org/mailman/listinfo/wear-hard
>=20
> _______________________________________________
> Wear-Hard mailing list
> 
> http://www.haven.org/mailman/listinfo/wear-hard
>

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Daniel, have you tried one of those ultrabright LED's as a backlight yet? I=
 don't see anything over 5000 mcd(500cd?) though.<br><br><div><span class=
=3D"gmail_quote">On 9/7/05, <b class=3D"gmail_sendername">Daniel Tso</b> &l=
t;<a href=3D"mailto:">
</a>> wrote:</span><blockquote class=3D"gmail_quote" style=
=3D"border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; p=
adding-left: 1ex;">Yes, the brightness of these is good, BUT the size is to=
o small.
<br>The diagonals are .61", which is about 1/2 the size we need, or<br=
>1/4 the area we need, and thus, with perfect optics, would yield<br>600/4 =
or only 150cd/m2 for the image size we need.<br><br>Do you have an OLED arr=
ay that is at least 1" diagonal ?
<br><br>Tony Havelka wrote:<br><br>> Check out:<br>><br>> The Gree=
n SVGA+ OLED >600cd/m2<br>> <a href=3D"http://tinyurl.com/a5zbq">http=
://tinyurl.com/a5zbq</a><br>><br>> and add our high brightness contro=
ller.
<br>><br>> We have Green, White and Color in stock, Yellow @ >650c=
d/m2 is about 90 days<br>> away.<br>><br>> -Tony<br>><br>>&g=
t;-----Original Message-----<br>>>From: <a href=3D"mailto:wear-hard-b=
">
</a> [mailto:<a href=3D"mailto:wear-hard-bounces=
@haven.org"></a>] On<br>>>Behalf Of Daniel=
 Tso<br>>>Sent: Wednesday, September 07, 2005 2:10 PM<br>>>To:=
=20
<a href=3D"mailto:"></a><br>>>S=
ubject: [Wear-Hard] n00b looking for a 1"+ monochrome display that<br>=
>>is*very* bright...<br>>><br>>>    &=
nbsp; I'm a newbie on this list, though I've played with
<br>>>small displays before. In particular, I've used the Kopin<br>&g=
t;>M1 and the Albatech Personal. I've also taken apart an old<br>>>=
;SONY Hi-8 camcorder and successfully extracted and used the<br>>>BW =
CRT viewfinder, feeding it RS170 video.
<br>>><br>>>      What I'm lookin=
g for now is a small display, about<br>>>1-1.3" diagonal (square=
 is good too). It doesn't have to be<br>>>color, monochrome is fine. =
Resolution doesn't have to be
<br>>>high -- VGA is fine, even 320x240 is ok. It does need to be<br>=
>>quite BRIGHT: 200cd/m2 would be nice, even higher would be<br>>&=
gt;better (1000cd/m2 anyone). Short of this, a device in which<br>>>I=
 could change the backlighting might work. I could use
<br>>>either a VGA-style input signal interface, or NTSC. A decent<br=
>>>contrast ratio would also be helpful (at least 100:1 if not,<br>&g=
t;>say, 500:1). Price ? be nice if it were under $1000.<br>>><br>
>>      So anyone have any suggestions =
?<br>>><br>>>      So far the Alb=
atech has come the closest, but it is<br>>>only about 100cd/m2. The K=
opin is too small and thus, though<br>>>bright, is not bright enough =
when expanded to the 1" image
<br>>>size. Same goes for the eMagin OLED (nice and bright but too<br=
>>>small), and the camcorder CRT. We've used a DLP projector in<br>&g=
t;>the past -- plenty of light but very clumsy. I'm thinking of<br>>&=
gt;trying a larger camcorder viewfinder. But I'd love to find
<br>>>an LCD or OLED array that better met these criteria.<br>>>=
;<br>>>      Thanks.<br>>><br>>=
;>_______________________________________________<br>>>Wear-Hard m=
ailing list<br>>><a href=3D"mailto:">
</a><br>>><a href=3D"http://www.haven.org/mailman/=
listinfo/wear-hard">http://www.haven.org/mailman/listinfo/wear-hard</a><br>=
><br>><br>><br>> ______________________________________________=
_
<br>> Wear-Hard mailing list<br>> <a href=3D"mailto:=
rg"></a><br>> <a href=3D"http://www.haven.org/mailman=
/listinfo/wear-hard">http://www.haven.org/mailman/listinfo/wear-hard</a><br=
>
<br>_______________________________________________<br>Wear-Hard mailing li=
st<br><a href=3D"mailto:"></a><br><a =
href=3D"http://www.haven.org/mailman/listinfo/wear-hard">http://www.haven.o=
rg/mailman/listinfo/wear-hard
</a><br></blockquote></div><br>

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