Actual LED TVs? do they exist?...

[John Larkin]

On Tue, 28 Jul 2020 08:11:57 +0100, Tom Gardner
<spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 01:53, Commander Kinsey wrote:
On Mon, 27 Jul 2020 18:57:58 +0100, Phil Hobbs
pcdhSpamMeSenseless@electrooptical.net> wrote:

On 2020-07-27 12:56, Commander Kinsey wrote:
Are any TVs just LED?   Or is LED just a backlight to an LCD panel?  I
thought they\'d invented TVs where every dot was a tricolour LED, but I
can\'t find any such thing.

https://lmgtfy.com/?q=oled+tv&s=d>  

Don\'t be so rude, I didn\'t know the term \"OLED\".

You are rude, wasting people\'s time by posting questions
without doing basic research.

You owe the Oracle three minutes of life.

This is a discussion group. \"Google it\" doesn\'t promote mucg
discussion.

Is an OLED actually a diode?

 

[John Larkin]

On Tue, 28 Jul 2020 21:45:31 +0100, \"Commander Kinsey\"
<CFKinsey@military.org.jp> wrote:

On Tue, 28 Jul 2020 08:04:14 +0100, Phil Allison <pallison49@gmail.com> wrote:

Commander Kinsey Total Asshole Puked wrote:

========================================

Commander Kinsey wrote:

=======================

Are any TVs just LED?

** No.

You\'re incorrect, I found OLED.

** So not LED.

That\'s like saying a Ferrari isn\'t a car.

Or is LED just a backlight to an LCD panel?

** Yep - highly efficient white ones.

Not very efficient ...

** When you shift the context like an asshole.

I did no such thing, I asked about pure LED TVs.

I thought they\'d invented TVs where every dot was a tricolour LED,
but I can\'t find any such thing.

** No fooling ?

Do you mean \"no kidding\"?

** No fooling is more of an insult, fuckhead.

You just made it up.

TV screens are intended for indoor use in subdued light

Really?

** Yes - you fucking moron.

Not many do that.

- get yourself a Lux meter and see how the difference is HUGE like 1000s to 1.

Difference between what and what?

** Are you really that fucking retarded ?

Or just another piece of Septic trailer trash ?

Are you really another Rod Speed sock, or are you just of a similarly low IQ?

Once in a very great while, quite rarely, Phil is in a bad mood.

 

[Phil Hobbs]

On 2020-07-28 17:05, John Larkin wrote:

On Tue, 28 Jul 2020 08:11:57 +0100, Tom Gardner
spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 01:53, Commander Kinsey wrote:
On Mon, 27 Jul 2020 18:57:58 +0100, Phil Hobbs
pcdhSpamMeSenseless@electrooptical.net> wrote:

On 2020-07-27 12:56, Commander Kinsey wrote:
Are any TVs just LED?   Or is LED just a backlight to an LCD panel?  I
thought they\'d invented TVs where every dot was a tricolour LED, but I
can\'t find any such thing.

https://lmgtfy.com/?q=oled+tv&s=d>  

Don\'t be so rude, I didn\'t know the term \"OLED\".

You are rude, wasting people\'s time by posting questions
without doing basic research.

You owe the Oracle three minutes of life.

This is a discussion group. \"Google it\" doesn\'t promote mucg
discussion.

Is an OLED actually a diode?

Yes. I haven\'t kept up with the technological details for a decade, but
10 years ago they all contained a layer of metallic calcium for the
electron donor. Certain passivation issues resulted.

(An old boss of mine for whom I have a good deal of respect, Frank
Libsch, was one of the inventors.)

Cheers

Phil Hobbs

--
Dr Philip C D Hobbs
Principal Consultant
ElectroOptical Innovations LLC / Hobbs ElectroOptics
Optics, Electro-optics, Photonics, Analog Electronics
Briarcliff Manor NY 10510

http://electrooptical.net
http://hobbs-eo.com

 

[Tom Gardner]

On 28/07/20 22:05, John Larkin wrote:

On Tue, 28 Jul 2020 08:11:57 +0100, Tom Gardner
spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 01:53, Commander Kinsey wrote:
On Mon, 27 Jul 2020 18:57:58 +0100, Phil Hobbs
pcdhSpamMeSenseless@electrooptical.net> wrote:

On 2020-07-27 12:56, Commander Kinsey wrote:
Are any TVs just LED?   Or is LED just a backlight to an LCD panel?  I
thought they\'d invented TVs where every dot was a tricolour LED, but I
can\'t find any such thing.

https://lmgtfy.com/?q=oled+tv&s=d>  

Don\'t be so rude, I didn\'t know the term \"OLED\".

You are rude, wasting people\'s time by posting questions
without doing basic research.

You owe the Oracle three minutes of life.

This is a discussion group. \"Google it\" doesn\'t promote mucg
discussion.

Some questions are worth discussing.

Silly provocative questions that can be trivially
answered, aren\'t.


> Is an OLED actually a diode?

The forward v-i curve looks exponential-ish, but I
haven\'t spotted any decent reverse bias curves.
I doubt that worries people

 

[John Larkin]

On Tue, 28 Jul 2020 22:19:39 +0100, Tom Gardner
<spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 22:05, John Larkin wrote:
On Tue, 28 Jul 2020 08:11:57 +0100, Tom Gardner
spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 01:53, Commander Kinsey wrote:
On Mon, 27 Jul 2020 18:57:58 +0100, Phil Hobbs
pcdhSpamMeSenseless@electrooptical.net> wrote:

On 2020-07-27 12:56, Commander Kinsey wrote:
Are any TVs just LED?   Or is LED just a backlight to an LCD panel?  I
thought they\'d invented TVs where every dot was a tricolour LED, but I
can\'t find any such thing.

https://lmgtfy.com/?q=oled+tv&s=d>  

Don\'t be so rude, I didn\'t know the term \"OLED\".

You are rude, wasting people\'s time by posting questions
without doing basic research.

You owe the Oracle three minutes of life.

This is a discussion group. \"Google it\" doesn\'t promote mucg
discussion.

Some questions are worth discussing.

Silly provocative questions that can be trivially
answered, aren\'t.

CK\'s question wasn\'t provocative. He hadn\'t heard of OLEDs, so Phil
told him.

What\'s wrong with that?

 

[whit3rd]

On Tuesday, July 28, 2020 at 1:47:11 PM UTC-7, Commander Kinsey wrote:

On Tue, 28 Jul 2020 07:42:09 +0100, whit3rd <whit3rd@gmail.com> wrote:

On Monday, July 27, 2020 at 5:52:45 PM UTC-7, Commander Kinsey wrote:
On Mon, 27 Jul 2020 23:12:17 +0100, whit3rd <whit3rd@gmail.com> wrote:

There\'s some difficulty with non-organic LEDs being SO hard to make three colors,

Really? You can buy LEDs of red green and blue pretty easily.

That doesn\'t mean you can mass-produce a full array on a wafer, though.

Why not? those colours have been around for decades.

But different LED colors result from different semiconductor compositions; it
is sometimes possible to grow a thin layer of (for instance) red-LED GaAsP on
a silicon wafer, but subsequently growing a green or blue (InGaN) wouldn\'t
work (might not stick to the wafer, or would damage the underlying layers...)

Multicolored integrated circuits with three (or more) LED shades are
theoretically possible. There\'s a LOT of bugs to work out, though.

Actually assembling an array from loose parts... is possible, but impractical.
Onesies of three colors is a start, but a display has millions of pixels.

 

[Commander Kinsey]

On Tue, 28 Jul 2020 22:19:39 +0100, Tom Gardner <spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 22:05, John Larkin wrote:
On Tue, 28 Jul 2020 08:11:57 +0100, Tom Gardner
spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 01:53, Commander Kinsey wrote:
On Mon, 27 Jul 2020 18:57:58 +0100, Phil Hobbs
pcdhSpamMeSenseless@electrooptical.net> wrote:

On 2020-07-27 12:56, Commander Kinsey wrote:
Are any TVs just LED? Or is LED just a backlight to an LCD panel? I
thought they\'d invented TVs where every dot was a tricolour LED, but I
can\'t find any such thing.

https://lmgtfy.com/?q=oled+tv&s=d>

Don\'t be so rude, I didn\'t know the term \"OLED\".

You are rude, wasting people\'s time by posting questions
without doing basic research.

You owe the Oracle three minutes of life.

This is a discussion group. \"Google it\" doesn\'t promote mucg
discussion.

Some questions are worth discussing.

Silly provocative questions that can be trivially
answered, aren\'t.

Fuck you. Google didn\'t find the answer, the group did. I win.

Is an OLED actually a diode?

The forward v-i curve looks exponential-ish, but I
haven\'t spotted any decent reverse bias curves.
I doubt that worries people

 

[Tom Gardner]

On 28/07/20 23:20, John Larkin wrote:

On Tue, 28 Jul 2020 22:19:39 +0100, Tom Gardner
spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 22:05, John Larkin wrote:
On Tue, 28 Jul 2020 08:11:57 +0100, Tom Gardner
spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 01:53, Commander Kinsey wrote:
On Mon, 27 Jul 2020 18:57:58 +0100, Phil Hobbs
pcdhSpamMeSenseless@electrooptical.net> wrote:

On 2020-07-27 12:56, Commander Kinsey wrote:
Are any TVs just LED?   Or is LED just a backlight to an LCD panel?  I
thought they\'d invented TVs where every dot was a tricolour LED, but I
can\'t find any such thing.

https://lmgtfy.com/?q=oled+tv&s=d>  

Don\'t be so rude, I didn\'t know the term \"OLED\".

You are rude, wasting people\'s time by posting questions
without doing basic research.

You owe the Oracle three minutes of life.

This is a discussion group. \"Google it\" doesn\'t promote mucg
discussion.

Some questions are worth discussing.

Silly provocative questions that can be trivially
answered, aren\'t.

CK\'s question wasn\'t provocative. He hadn\'t heard of OLEDs, so Phil
told him.

What\'s wrong with that?

When I don\'t know a term, which happens frequently, the
first thing I do is google it. I don\'t bother other
people at that stage.

Once I\'ve formulated a question that I can\'t trivially
find an answer to, then I might ask people to spend some
of their remaining life helping me. But I hold off on
doing that since I can\'t repay their time - and not
considering other people is rude in my book.

What I don\'t do is belligerently ask \"does X exist\",
when you can buy X in the shops and even ask a salesdroid
the question. If someone provided a (snarky) answer,
I wouldn\'t accuse them of being rude.

There was a famous example back in the mid 80s, when usenet
was small but evolving. Somebody got tired of the questions
that could be answered trivially, and pointedly asked
\"What is the time?\" People realised what he meant, and
modified their behaviour to be mindful of others.

That lasted several years, until \"eternal September\" and
Canter and Siegel screwed things up.

 

[John Larkin]

On Wed, 29 Jul 2020 00:59:30 +0100, Tom Gardner
<spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 23:20, John Larkin wrote:
On Tue, 28 Jul 2020 22:19:39 +0100, Tom Gardner
spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 22:05, John Larkin wrote:
On Tue, 28 Jul 2020 08:11:57 +0100, Tom Gardner
spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 01:53, Commander Kinsey wrote:
On Mon, 27 Jul 2020 18:57:58 +0100, Phil Hobbs
pcdhSpamMeSenseless@electrooptical.net> wrote:

On 2020-07-27 12:56, Commander Kinsey wrote:
Are any TVs just LED?   Or is LED just a backlight to an LCD panel?  I
thought they\'d invented TVs where every dot was a tricolour LED, but I
can\'t find any such thing.

https://lmgtfy.com/?q=oled+tv&s=d>  

Don\'t be so rude, I didn\'t know the term \"OLED\".

You are rude, wasting people\'s time by posting questions
without doing basic research.

You owe the Oracle three minutes of life.

This is a discussion group. \"Google it\" doesn\'t promote mucg
discussion.

Some questions are worth discussing.

Silly provocative questions that can be trivially
answered, aren\'t.

CK\'s question wasn\'t provocative. He hadn\'t heard of OLEDs, so Phil
told him.

What\'s wrong with that?

When I don\'t know a term, which happens frequently, the
first thing I do is google it. I don\'t bother other
people at that stage.

Once I\'ve formulated a question that I can\'t trivially
find an answer to, then I might ask people to spend some
of their remaining life helping me. But I hold off on
doing that since I can\'t repay their time - and not
considering other people is rude in my book.

What I don\'t do is belligerently ask \"does X exist\",
when you can buy X in the shops and even ask a salesdroid
the question. If someone provided a (snarky) answer,
I wouldn\'t accuse them of being rude.

There was a famous example back in the mid 80s, when usenet
was small but evolving. Somebody got tired of the questions
that could be answered trivially, and pointedly asked
\"What is the time?\" People realised what he meant, and
modified their behaviour to be mindful of others.

That lasted several years, until \"eternal September\" and
Canter and Siegel screwed things up.

Are you always so crabby? That\'s a bad way to live.

 

[Tom Gardner]

On 29/07/20 01:08, John Larkin wrote:

On Wed, 29 Jul 2020 00:59:30 +0100, Tom Gardner
spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 23:20, John Larkin wrote:
On Tue, 28 Jul 2020 22:19:39 +0100, Tom Gardner
spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 22:05, John Larkin wrote:
On Tue, 28 Jul 2020 08:11:57 +0100, Tom Gardner
spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 01:53, Commander Kinsey wrote:
On Mon, 27 Jul 2020 18:57:58 +0100, Phil Hobbs
pcdhSpamMeSenseless@electrooptical.net> wrote:

On 2020-07-27 12:56, Commander Kinsey wrote:
Are any TVs just LED?   Or is LED just a backlight to an LCD panel?  I
thought they\'d invented TVs where every dot was a tricolour LED, but I
can\'t find any such thing.

https://lmgtfy.com/?q=oled+tv&s=d>  

Don\'t be so rude, I didn\'t know the term \"OLED\".

You are rude, wasting people\'s time by posting questions
without doing basic research.

You owe the Oracle three minutes of life.

This is a discussion group. \"Google it\" doesn\'t promote mucg
discussion.

Some questions are worth discussing.

Silly provocative questions that can be trivially
answered, aren\'t.

CK\'s question wasn\'t provocative. He hadn\'t heard of OLEDs, so Phil
told him.

What\'s wrong with that?

When I don\'t know a term, which happens frequently, the
first thing I do is google it. I don\'t bother other
people at that stage.

Once I\'ve formulated a question that I can\'t trivially
find an answer to, then I might ask people to spend some
of their remaining life helping me. But I hold off on
doing that since I can\'t repay their time - and not
considering other people is rude in my book.

What I don\'t do is belligerently ask \"does X exist\",
when you can buy X in the shops and even ask a salesdroid
the question. If someone provided a (snarky) answer,
I wouldn\'t accuse them of being rude.

There was a famous example back in the mid 80s, when usenet
was small but evolving. Somebody got tired of the questions
that could be answered trivially, and pointedly asked
\"What is the time?\" People realised what he meant, and
modified their behaviour to be mindful of others.

That lasted several years, until \"eternal September\" and
Canter and Siegel screwed things up.

Are you always so crabby? That\'s a bad way to live.

I like to live in a world where writers consider
their readers.

I\'m not too tolerant of people that can\'t be bothered
to learn how to use google, and then post things like....

On 29/07/20 00:48, Commander Kinsey wrote:
> Fuck you. Google didn\'t find the answer, the group did. I win.

 

[John Larkin]

On Wed, 29 Jul 2020 01:25:53 +0100, Tom Gardner
<spamjunk@blueyonder.co.uk> wrote:

On 29/07/20 01:08, John Larkin wrote:
On Wed, 29 Jul 2020 00:59:30 +0100, Tom Gardner
spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 23:20, John Larkin wrote:
On Tue, 28 Jul 2020 22:19:39 +0100, Tom Gardner
spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 22:05, John Larkin wrote:
On Tue, 28 Jul 2020 08:11:57 +0100, Tom Gardner
spamjunk@blueyonder.co.uk> wrote:

On 28/07/20 01:53, Commander Kinsey wrote:
On Mon, 27 Jul 2020 18:57:58 +0100, Phil Hobbs
pcdhSpamMeSenseless@electrooptical.net> wrote:

On 2020-07-27 12:56, Commander Kinsey wrote:
Are any TVs just LED?   Or is LED just a backlight to an LCD panel?  I
thought they\'d invented TVs where every dot was a tricolour LED, but I
can\'t find any such thing.

https://lmgtfy.com/?q=oled+tv&s=d>  

Don\'t be so rude, I didn\'t know the term \"OLED\".

You are rude, wasting people\'s time by posting questions
without doing basic research.

You owe the Oracle three minutes of life.

This is a discussion group. \"Google it\" doesn\'t promote mucg
discussion.

Some questions are worth discussing.

Silly provocative questions that can be trivially
answered, aren\'t.

CK\'s question wasn\'t provocative. He hadn\'t heard of OLEDs, so Phil
told him.

What\'s wrong with that?

When I don\'t know a term, which happens frequently, the
first thing I do is google it. I don\'t bother other
people at that stage.

Once I\'ve formulated a question that I can\'t trivially
find an answer to, then I might ask people to spend some
of their remaining life helping me. But I hold off on
doing that since I can\'t repay their time - and not
considering other people is rude in my book.

What I don\'t do is belligerently ask \"does X exist\",
when you can buy X in the shops and even ask a salesdroid
the question. If someone provided a (snarky) answer,
I wouldn\'t accuse them of being rude.

There was a famous example back in the mid 80s, when usenet
was small but evolving. Somebody got tired of the questions
that could be answered trivially, and pointedly asked
\"What is the time?\" People realised what he meant, and
modified their behaviour to be mindful of others.

That lasted several years, until \"eternal September\" and
Canter and Siegel screwed things up.

Are you always so crabby? That\'s a bad way to live.

I like to live in a world where writers consider
their readers.

I\'m not too tolerant of people that can\'t be bothered
to learn how to use google, and then post things like....

If a person has never heard of an OLED, it\'s hard to google OLED.

I think we should be kind and helpful to people who are perhaps not as
experienced, maybe not as intelligent, as we are.

 

[server]

On Tue, 28 Jul 2020 15:33:24 -0700 (PDT), whit3rd <whit3rd@gmail.com>
wrote:

On Tuesday, July 28, 2020 at 1:47:11 PM UTC-7, Commander Kinsey wrote:
On Tue, 28 Jul 2020 07:42:09 +0100, whit3rd <whit3rd@gmail.com> wrote:

On Monday, July 27, 2020 at 5:52:45 PM UTC-7, Commander Kinsey wrote:
On Mon, 27 Jul 2020 23:12:17 +0100, whit3rd <whit3rd@gmail.com> wrote:

There\'s some difficulty with non-organic LEDs being SO hard to make three colors,

Really? You can buy LEDs of red green and blue pretty easily.

That doesn\'t mean you can mass-produce a full array on a wafer, though.

Why not? those colours have been around for decades.

But different LED colors result from different semiconductor compositions; it
is sometimes possible to grow a thin layer of (for instance) red-LED GaAsP on
a silicon wafer, but subsequently growing a green or blue (InGaN) wouldn\'t
work (might not stick to the wafer, or would damage the underlying layers...)

In a colour CRT, the electrons are of a single \"colour\", but RGB
phosphors produces the various colours. Just use an array of blue LED
wafers and use tricolor phosphors on each pixel as in cameras.

 

[server]

On Mon, 27 Jul 2020 16:57:07 -0700 (PDT), Phil Allison
<pallison49@gmail.com> wrote:

Commander Kinsey wrote:

=======================

Are any TVs just LED?

** No.

Or is LED just a backlight to an LCD panel?

** Yep - highly efficient white ones.


I thought they\'d invented TVs where every dot was a tricolour LED,
but I can\'t find any such thing.

** No fooling ?

TV screens are intended for indoor use in subdued light - get yourself a Lux meter and see how the difference is HUGE like 1000s to 1.

Large LED screens have long existed and are used outdoors, as are LED traffic lights.

Horses for courses ...


..... Phil

I always thought that we could use time-sequenced RGB backlights and a
uniform LCD panel. That would be very efficient. I guess the LCD
elements are too slow.


--

John Larkin Highland Technology, Inc

Science teaches us to doubt.

Claude Bernard

 

[Jeff Liebermann]

On Wed, 29 Jul 2020 00:48:50 +0100, \"Commander Kinsey\"
<CFKinsey@military.org.jp> wrote:

>Fuck you. Google didn\'t find the answer, the group did. I win.

So much for a polite discussion. You\'re not fit to command, yet. Real
commanders should know how to insult without resorting to profanity.

I try to not write anything that I would not consider worth reading.
You might try that approach in the future. It works.

If you had inscribed your original questions into Google:
\"Are any TVs just LED?\"
<https://www.google.com/search?q=Are+any+TVs+just+LED%3F>
the first result is:
<https://www.digitaltrends.com/home-theater/led-vs-lcd-tvs/>
The article goes through the major LED TV display and lighting
technologies. Along the way, it mentions OLED and QOLED (quantum dot
LED) with links to more detailed explanations. That should have been
sufficient to answer your question.

Google and the Duck2Go have spent considerable effort producing search
algorithms that will successfully parse vague questions. If I don\'t
know or can\'t remember the magic buzzword, I can usually find it in
the first few pages that these algorithms produce. Like flash RAM,
Usenet is a read before you write system.

The second part of your question \"do they exist?\" is also easily
answered. If Google can\'t find it, it doesn\'t exist.

--
Jeff Liebermann jeffl@cruzio.com
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558

 

[Jeff Liebermann]

On Tue, 28 Jul 2020 21:47:07 +0100, \"Commander Kinsey\"
<CFKinsey@military.org.jp> wrote:

>Why not? those colours have been around for decades.

Because OLEDs suffers from image retention, burn-in, fade-out, color
change, and brightness loss. The degree of these effect vary with LED
color as well as brightness. Today\'s OLED TV\'s claim a lifetime of
100,000 hrs (11.4 years). In the not so distant past, OLED displays
were lucky to make it through the warranty period[1].

\"OLED TV Reliability\"
<https://www.lg.com/us/experience-tvs/oled-tv/reliability>

\"Real Life OLED Burn-In Test on 6 TVs\"
<https://www.rtings.com/tv/learn/real-life-oled-burn-in-test>

[1] Look at older used OLED smartphone ad photos and you\'ll probably
see some fairly severe example of image burn-in. That\'s because
smartphone icons tend to be in static locations. This is one reason
that \"dark mode\" is important with an OLED screen. OLED rely on not
having the same images, in the same places, on the screen to prevent
burn in, but exceptions are still a problem. One of my customers
installed an OLED display as a security camera monitor. 6 months
later, it started to show burn-in problems.

--
Jeff Liebermann jeffl@cruzio.com
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558

 

[Tom Gardner]

On 29/07/20 17:51, Jeff Liebermann wrote:

On Wed, 29 Jul 2020 00:48:50 +0100, \"Commander Kinsey\"
CFKinsey@military.org.jp> wrote:

Fuck you. Google didn\'t find the answer, the group did. I win.

So much for a polite discussion. You\'re not fit to command, yet. Real
commanders should know how to insult without resorting to profanity.

Arguably he /is/ fit to command: he gets his underlings
to do the work.

Just as Prince Charles is reputed to have a footman put
toothpaste on his toothbrush.

An alternative explanation is that he is a (wannabe) troll.

I try to not write anything that I would not consider worth reading.
You might try that approach in the future. It works.

How very old skool. Millennials have moved on beyond that.

He doesn\'t like to recognise your other points, which are
accurate but inconvenient.

 

[Phil Hobbs]

On 7/29/20 10:47 AM, jlarkin@highlandsniptechnology.com wrote:

On Mon, 27 Jul 2020 16:57:07 -0700 (PDT), Phil Allison
pallison49@gmail.com> wrote:

Commander Kinsey wrote:

=======================

Are any TVs just LED?

** No.

Or is LED just a backlight to an LCD panel?

** Yep - highly efficient white ones.


I thought they\'d invented TVs where every dot was a tricolour LED,
but I can\'t find any such thing.

** No fooling ?

TV screens are intended for indoor use in subdued light - get yourself a Lux meter and see how the difference is HUGE like 1000s to 1.

Large LED screens have long existed and are used outdoors, as are LED traffic lights.

Horses for courses ...


..... Phil



I always thought that we could use time-sequenced RGB backlights and a
uniform LCD panel. That would be very efficient. I guess the LCD
elements are too slow.

Nematic ones are continuously variable but very slow. Ferroelectric
ones are faster and can be made to work like that, as in FLCOS displays,
but are either on or off. They use RGB LED sources and duty-cycle
modulation to get the full-colour effect, similar to how DMD (digital
micromirror) displays work.

Cheers

Phil Hobbs

--
Dr Philip C D Hobbs
Principal Consultant
ElectroOptical Innovations LLC / Hobbs ElectroOptics
Optics, Electro-optics, Photonics, Analog Electronics
Briarcliff Manor NY 10510

http://electrooptical.net
https://hobbs-eo.com

 

[Commander Kinsey]

On Wed, 29 Jul 2020 15:47:46 +0100, <jlarkin@highlandsniptechnology.com> wrote:

On Mon, 27 Jul 2020 16:57:07 -0700 (PDT), Phil Allison
pallison49@gmail.com> wrote:

Commander Kinsey wrote:

=======================

Are any TVs just LED?

** No.

Or is LED just a backlight to an LCD panel?

** Yep - highly efficient white ones.


I thought they\'d invented TVs where every dot was a tricolour LED,
but I can\'t find any such thing.

** No fooling ?

TV screens are intended for indoor use in subdued light - get yourself a Lux meter and see how the difference is HUGE like 1000s to 1.

Large LED screens have long existed and are used outdoors, as are LED traffic lights.

Horses for courses ...


..... Phil



I always thought that we could use time-sequenced RGB backlights and a
uniform LCD panel. That would be very efficient. I guess the LCD
elements are too slow.

Shouldn\'t be nowadays. They\'ve long been able to go above 50Hz. You only need to get to 150.

 

[Commander Kinsey]

On Wed, 29 Jul 2020 17:51:32 +0100, Jeff Liebermann <jeffl@cruzio.com> wrote:

On Wed, 29 Jul 2020 00:48:50 +0100, \"Commander Kinsey\"
CFKinsey@military.org.jp> wrote:

Fuck you. Google didn\'t find the answer, the group did. I win.

So much for a polite discussion. You\'re not fit to command, yet. Real
commanders should know how to insult without resorting to profanity.

And real humans know that profanity is just words. Which annoys you most?
1) You absolute and utter moronic fool.
2) You silly shite.

I try to not write anything that I would not consider worth reading.
You might try that approach in the future. It works.

With snobs maybe.

If you had inscribed your original questions into Google:
\"Are any TVs just LED?\"
https://www.google.com/search?q=Are+any+TVs+just+LED%3F
the first result is:
https://www.digitaltrends.com/home-theater/led-vs-lcd-tvs/
The article goes through the major LED TV display and lighting
technologies. Along the way, it mentions OLED and QOLED (quantum dot
LED) with links to more detailed explanations. That should have been
sufficient to answer your question.

You got lucky with the right keywords then.

Google and the Duck2Go have spent considerable effort producing search
algorithms that will successfully parse vague questions. If I don\'t
know or can\'t remember the magic buzzword, I can usually find it in
the first few pages that these algorithms produce.

And sometimes those algorithms fail. It\'s not as bad as back in the days of Webcrawler, but it\'s not perfect.

> Like flash RAM, Usenet is a read before you write system.

Nope, it works without reading first.

The second part of your question \"do they exist?\" is also easily
answered. If Google can\'t find it, it doesn\'t exist.

Or I didn\'t feed it the right words.

 

[Commander Kinsey]

On Wed, 29 Jul 2020 18:28:54 +0100, Tom Gardner <spamjunk@blueyonder.co.uk> wrote:

On 29/07/20 17:51, Jeff Liebermann wrote:
On Wed, 29 Jul 2020 00:48:50 +0100, \"Commander Kinsey\"
CFKinsey@military.org.jp> wrote:

Fuck you. Google didn\'t find the answer, the group did. I win.

So much for a polite discussion. You\'re not fit to command, yet. Real
commanders should know how to insult without resorting to profanity.

Arguably he /is/ fit to command: he gets his underlings
to do the work.

Just as Prince Charles is reputed to have a footman put
toothpaste on his toothbrush.

An alternative explanation is that he is a (wannabe) troll.

No such entity.