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LED TV



 
 
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  #1  
Old May 30th 09, 10:19 AM posted to uk.tech.digital-tv
Angela
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Posts: 11
Default LED TV

We need a new TV as ours has finally died. Having looked around the picture
on the new Samsung LED is certainly impressive and the thinness is just
incredible. It is however new technology and does cost a bit more than an
equivalent size LCD. Do you think it's early days with LED and best avoided
in case it turns out to be problematic? We intend to buy from John Lewis to
take advantage of their free 5 year guarantee (which has proven useful in
the past), but I would be interested to hear from others as to whether you
can foresee any problems and whether we should go for it?


  #2  
Old May 30th 09, 10:31 AM posted to uk.tech.digital-tv
R. Mark Clayton
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Posts: 1,394
Default LED TV


"Angela" wrote in message
om...
We need a new TV as ours has finally died. Having looked around the
picture
on the new Samsung LED is certainly impressive and the thinness is just
incredible. It is however new technology and does cost a bit more than an
equivalent size LCD. Do you think it's early days with LED and best
avoided
in case it turns out to be problematic? We intend to buy from John Lewis
to
take advantage of their free 5 year guarantee (which has proven useful in
the past), but I would be interested to hear from others as to whether you
can foresee any problems and whether we should go for it?



I have an LED clock bought in 1978. There is a loose contact somewhere, but
all the LED segments still work. I have a Casio pocket TV bought in the
90's, which has one red pixel hard on (fine for everything except cricker
replays at the match).

LCD's are actually a more recent technology and early LCD panels used to
fade and leak internally, however post 1985 they have been much better.

OLED's are new and MTBF and burn out are a little unknown.

Plasma panels fade to 50% brightness after about ten years use.

Generally speaking LED's are very reliable with MTBF's at 100k hours plus.
OTOH with six million in a screen the standard deviation from this could be
significant.

IMHO there is no reason not to buy an LED panels and the results are better.

You can probably get a cheaper result buying from Richer Sounds and buying
their add on five guarantee backed by Domestic and General.


  #3  
Old May 30th 09, 10:32 AM posted to uk.tech.digital-tv
Brian Mc[_3_]
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Posts: 325
Default LED TV

Angela wrote:
: We need a new TV as ours has finally died. Having looked around the picture
: on the new Samsung LED is certainly impressive and the thinness is just
: incredible. It is however new technology and does cost a bit more than an
: equivalent size LCD. Do you think it's early days with LED and best avoided
: in case it turns out to be problematic?

A LED-TV is, of course, an LCD one with a LED-backlight. This means that
different areas of the screen can be backlit differently - and this helps
to solve the inherent problems of limited contrast ratio and poor black
levels that all LCD TVs have to some extent

Most major manufacturers are starting to use LED technology - and at a premium
price. I would look for this if I was buying now - and the Samsung is also
impressively thin!
  #4  
Old May 30th 09, 10:59 AM posted to uk.tech.digital-tv
The dog from that film you saw
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Posts: 587
Default LED TV


"Angela" wrote in message
om...
We need a new TV as ours has finally died. Having looked around the
picture
on the new Samsung LED is certainly impressive and the thinness is just
incredible. It is however new technology and does cost a bit more than an
equivalent size LCD. Do you think it's early days with LED and best
avoided
in case it turns out to be problematic? We intend to buy from John Lewis
to
take advantage of their free 5 year guarantee (which has proven useful in
the past), but I would be interested to hear from others as to whether you
can foresee any problems and whether we should go for it?





the only problem i've heard is, at this moment in time they dont have as
many leds as pixels.
this means that when a part of the picture - example a star on a black sky,
is illuminated, there will be a glow around it where the led's light is
coming through.
you could counter this by saying that with a regular lcd tv, the whole of
the black sky would be illuminated and grey.
whether you prefer the localised glow or the whole screen glow is up to your
eyes.
if they ever get around to having 1900x1080 leds to match the number of
onscreen pixels then presumably the problem will be solved.
and naturally, as it's new technology you can bet the price premium between
led illuminated sets and non led ones will decrease over the next couple of
years.




--
Gareth.

that fly...... is your magic wand....

  #5  
Old May 30th 09, 11:03 AM posted to uk.tech.digital-tv
Tom E
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Posts: 121
Default LED TV


"Angela" wrote in message
om...
We need a new TV as ours has finally died. Having looked around the
picture
on the new Samsung LED is certainly impressive and the thinness is just
incredible. It is however new technology and does cost a bit more than an
equivalent size LCD. Do you think it's early days with LED and best
avoided
in case it turns out to be problematic? We intend to buy from John Lewis
to
take advantage of their free 5 year guarantee (which has proven useful in
the past), but I would be interested to hear from others as to whether you
can foresee any problems and whether we should go for it?




there is never a good time............sorta like computers.

The only thing I would suggest is get one with FOXSAT built in for the
current and future HD transmissions.


  #6  
Old May 30th 09, 11:19 AM posted to uk.tech.digital-tv
Agamemnon
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Posts: 1,239
Default LED TV


"Angela" wrote in message
om...
We need a new TV as ours has finally died. Having looked around the
picture
on the new Samsung LED is certainly impressive and the thinness is just
incredible. It is however new technology and does cost a bit more than an
equivalent size LCD. Do you think it's early days with LED and best
avoided
in case it turns out to be problematic? We intend to buy from John Lewis
to
take advantage of their free 5 year guarantee (which has proven useful in
the past), but I would be interested to hear from others as to whether you
can foresee any problems and whether we should go for it?


Screen burn from DOGs. LCD is more immune than OLED, or are your referring
to LED backlit screens?

  #7  
Old May 30th 09, 11:22 AM posted to uk.tech.digital-tv
Laurence Payne[_2_]
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Posts: 67
Default LED TV

On Sat, 30 May 2009 09:19:10 +0100, "Angela" wrote:

We need a new TV as ours has finally died. Having looked around the picture
on the new Samsung LED is certainly impressive and the thinness is just
incredible. It is however new technology and does cost a bit more than an
equivalent size LCD. Do you think it's early days with LED and best avoided
in case it turns out to be problematic? We intend to buy from John Lewis to
take advantage of their free 5 year guarantee (which has proven useful in
the past), but I would be interested to hear from others as to whether you
can foresee any problems and whether we should go for it?


Does it really matter if it's an inch thinner? If flat-screen
technology hadn't come along, you'd be happily and proudly showing off
a very bulky large-screen CRT model :-)

Any other reasons you prefer to pay more than for a LCD?

I agree with the previous poster, it shouldn't be difficult to find a
better deal than John Lewis. That guarantee certainly isn't "free".
  #8  
Old May 30th 09, 11:34 AM posted to uk.tech.digital-tv
Tom E
external usenet poster
 
Posts: 121
Default LED TV


"Laurence Payne" wrote in message
...
On Sat, 30 May 2009 09:19:10 +0100, "Angela" wrote:

We need a new TV as ours has finally died. Having looked around the
picture
on the new Samsung LED is certainly impressive and the thinness is just
incredible. It is however new technology and does cost a bit more than an
equivalent size LCD. Do you think it's early days with LED and best
avoided
in case it turns out to be problematic? We intend to buy from John Lewis
to
take advantage of their free 5 year guarantee (which has proven useful in
the past), but I would be interested to hear from others as to whether you
can foresee any problems and whether we should go for it?


Does it really matter if it's an inch thinner? If flat-screen
technology hadn't come along, you'd be happily and proudly showing off
a very bulky large-screen CRT model :-)

Any other reasons you prefer to pay more than for a LCD?

I agree with the previous poster, it shouldn't be difficult to find a
better deal than John Lewis. That guarantee certainly isn't "free".


I purchased my Tosh for £900 when JL wanted £1300 with their 3 year warranty
for the same model. So is it worth £400 for the extra 2 years....I concluded
not with the ever reducing costs to replace it.


  #9  
Old May 30th 09, 11:38 AM posted to uk.tech.digital-tv
Dave Plowman (News)
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Posts: 4,883
Default LED TV

In article ,
Brian Mc wrote:
Angela wrote:
: We need a new TV as ours has finally died. Having looked around the
: picture on the new Samsung LED is certainly impressive and the
: thinness is just incredible. It is however new technology and does
: cost a bit more than an equivalent size LCD. Do you think it's early
: days with LED and best avoided in case it turns out to be
: problematic?


A LED-TV is, of course, an LCD one with a LED-backlight. This means that
different areas of the screen can be backlit differently - and this
helps to solve the inherent problems of limited contrast ratio and poor
black levels that all LCD TVs have to some extent


Most major manufacturers are starting to use LED technology - and at a
premium price. I would look for this if I was buying now - and the
Samsung is also impressively thin!


I haven't seen one, but there is some controversy over how continuous a
spectrum the LEDs can produce to give all the shades needed. Some have
said the flesh tones aren't as good as a conventionally lit LCD.

--
*Why are a wise man and a wise guy opposites? *

Dave Plowman London SW
To e-mail, change noise into sound.
  #10  
Old May 30th 09, 11:45 AM posted to uk.tech.digital-tv
Alan[_4_]
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Posts: 427
Default LED TV

In message , Tom E
wrote

The only thing I would suggest is get one with FOXSAT built in for the
current and future HD transmissions.


Foxsat? Don't you mean Freesat? But why pay an extra premium for a
facility that can be easily added with an external box?

Freesat has little HD content (one part time BBC channel and bugger all
from ITV). A Sky box or a future Freeview box will/may provide better HD
coverage.

As for John Lewis's 5 year cover - it's not free, it's built into the
higher selling price!


--
Alan
news2009 {at} admac {dot} myzen {dot} co {dot} uk


 




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