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 About LED TVs and the technology/terminology, Know your TV before making a purchase.

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TSdxreaper
post Jan 1 2010, 04:37 PM, updated 16y ago

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After reading the countless of threads over here, I thought I better just give in my two cents before there are more confusions in the future.

What is advertised and marketed by Samsung as LED TVs are just LCD TVs which uses LEDs as their source of backlight.

The advantage this brings to you would be lower power consumption, more compact design (slimmer, borderless etc) as well as being lighter (so that the pencuri can run away with it easier).

Here are a few links to better understand the terminology of the technologies involved.

http://en.wikipedia.org/wiki/LED-backlit_LCD_television

http://www.ledtele.co.uk/whatisledtv.html

So all in all, there is no such thing as a true LED TV or what ever marketing terms. Essentially they are just LCD TV with a different backlight.

The different type of LED styles are as follows:
Edge Lit LED: These are LCD TV with White LEDs on the edge of the panel to light it up. Advantages = Thinner Panels

Back Lit LED: These are LCD TV with White LEDs behind the panel.

Local Dimming LED: These are LCD TV with LEDs that can be individually dimmed and brightened to adjust brightness at some part of a scene. Advantages = Blacker blacks

And the only one that I know off.. that is Local Dimming RGB LED, that I only know the Sony Bravia X450 to have. This is the same as Local Dimming LED, but instead uses Red Green and Blue LEDs to create a broader colour range.

Edit:
One more link for further reading.
http://www.ledtv.net.au/

Edit:
For those who are wondering what is a true LED Display.
http://en.wikipedia.org/wiki/LED_display

Edit:
A good comparison between "LED TV" and "LCD TV" as well as the technologies involved. Just take note under "Contrast and Black Levels" section of this article, they are talking about the RGD LED Backlights of the Sony's XBR range. Samsung 8500 series is similar to the Sony XBR in this department, except that Sony's XBR usus RGB LEDs while Samsung is still using only White LEDs.
http://www.ledtele.co.uk/ledvslcd.html

Edit:
An external forum topic that also discusses about "LED TV" and to not get confused.
http://www.avforums.com/forums/lcd-led-lcd...technology.html

This post has been edited by dxreaper: Jan 6 2010, 01:00 AM
low98944
post Jan 1 2010, 04:41 PM

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QUOTE(dxreaper @ Jan 1 2010, 04:37 PM)
After reading the countless of threads over here, I thought I better just give in my two cents before there are more confusions in the future.

What is advertised and marketed by Samsung as LED TVs are just LCD TVs which uses LEDs as their source of backlight.

The advantage this brings to you would be lower power consumption, more compact design (slimmer, borderless etc) as well as being lighter (so that the pencuri can run away with it easier).

Here are a few links for you all to read on further to understand the terminology of the technology better.

http://en.wikipedia.org/wiki/LED-backlit_LCD_television

http://www.ledtele.co.uk/whatisledtv.html

So all in all, there is no such thing as a true LED TV or what ever marketing terms.
*
The real one, I think, is OLED (Organic light-emitting diode) which Sony got product for this but only 11" and selling price is USD2000++ tongue.gif

user posted image

user posted image

This post has been edited by low98944: Jan 1 2010, 04:43 PM
TSdxreaper
post Jan 1 2010, 04:43 PM

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QUOTE(low98944 @ Jan 1 2010, 04:41 PM)
The real one, I think, is OLED (Organic light-emitting diode) which Sony got product for this but only 11" and selling price is USD2000++  tongue.gif
*
Mmmhmm, the real one that is to be watched in a living room that is. =)

There are LED Displays, but they're usually used as those large outdoor TVs and such.

Edit:
Since you mentioned OLED, better mention that it is a whole different technology all together as well. =).

http://en.wikipedia.org/wiki/Organic_light-emitting_diode


This post has been edited by dxreaper: Jan 1 2010, 04:45 PM
etsng
post Jan 1 2010, 04:45 PM

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good that u try to help ppl out there, but i noticed that consumers r just being ignorant & manufacturers r capitalizing on this to hype-up their products...

I might want to add that there are LED displays, & u find them in stadiums or giant electronic billboads...those ppl can go get them wink.gif
TSdxreaper
post Jan 1 2010, 04:47 PM

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QUOTE(etsng @ Jan 1 2010, 04:45 PM)
good that u try to help ppl out there, but i noticed that consumers r just being ignorant & manufacturers r capitalizing on this to hype-up their products...

I might want to add that there are LED displays, & u find them in stadiums or giant electronic billboads...those ppl can go get them wink.gif
*
Mmmhmm =)

If they're ignorant even after this post, then they deserve to get their money cheated from them =).

I guess mods could sticky this for the sake of new readers.

Edit: Spelling

This post has been edited by dxreaper: Jan 1 2010, 04:48 PM
ultimate66
post Jan 1 2010, 04:47 PM

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QUOTE(low98944 @ Jan 1 2010, 04:41 PM)
The real one, I think, is OLED (Organic light-emitting diode) which Sony got product for this but only 11" and selling price is USD2000++  tongue.gif

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*
nokia and samsung hp oso got...
low98944
post Jan 1 2010, 04:49 PM

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Last time Sony sale XEL-1 for USD2000+ and now their US website become coming soon... rclxub.gif Out of stock??? rclxub.gif

This post has been edited by low98944: Jan 1 2010, 04:49 PM
ar188
post Jan 1 2010, 05:12 PM

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low end 10inch nettop also now use "LED" screen.. hehe!
TSdxreaper
post Jan 1 2010, 05:24 PM

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QUOTE(ar188 @ Jan 1 2010, 05:12 PM)
low end 10inch nettop also now use "LED" screen.. hehe!
*
You think that's funny?

If we were to use Samsung's marketing term, even all those old 3210 uses LED LCD screens man... lol.. just black and white LED la =P

This post has been edited by dxreaper: Jan 2 2010, 09:24 PM
snowcandy
post Jan 2 2010, 09:37 PM

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Thanks for the info. Seems like it might come in handy as my family's considering a new television set. :D
azbro
post Jan 2 2010, 10:32 PM

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QUOTE(snowcandy @ Jan 2 2010, 09:37 PM)
Thanks for the info. Seems like it might come in handy as my family's considering a new television set. biggrin.gif
*
Actually, this thread is discussing the Technology behind it...
But what matters most is the Samsung Series 8 LED beats the hell out of most Plasma TV from what I see.
Dun get me wrong, I'm a Plasma fan and really hate LCD screen and the worst part, there is a dark outline for most objects that I piss off mostly.
Also, I really can't get over the black colors of a LCD screen...even for the higher end Sony sets.

But the Samsung Series 8 is something else. The LED backlight does wonders to the LCD visually.
I'm putting LED's on top of my list when shopping for a replacement for my Plasma.
For me, its that good.

ar188
post Jan 2 2010, 10:54 PM

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QUOTE(azbro @ Jan 2 2010, 10:32 PM)
Actually, this thread is discussing the Technology behind it...
But what matters most is the Samsung Series 8 LED beats the hell out of most Plasma TV from what I see.
Dun get me wrong, I'm a Plasma fan and really hate LCD screen and the worst part, there is a dark outline for most objects that I piss off mostly.
Also, I really can't get over the black colors of a LCD screen...even for the higher end Sony sets.

But the Samsung Series 8 is something else. The LED backlight does wonders to the LCD visually.
I'm putting LED's on top of my list when shopping for a replacement for my Plasma.
For me, its that good.
*
you have to pit the series 8 with high end plasma, which it still loses...
if you take series 8 pijak S10 then susah la.. price also can buy 2 plasma already..

if you want LED backlight (to replace plasma), just make sure it's got local dimming and over 512 zones.. that should reduce the blooming problem caused by zoning the LEDs...
TSdxreaper
post Jan 2 2010, 11:05 PM

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The reason I started this post is to bring aware to the public to not be drawn into the hype caused by this waves of marketed 'LED TVs'. I mean Malaysians are suckers for falling into hypes la honestly. Rotiboi la, the doughnut phase la.. I mean even cars also.. wait list here wait list there.. everyone Kiasu.. But back to the topic.

Correct me if I am wrong, but only does the Samsung 8500 series have local dimming LEDs and not the Samsung 8000.

Also, correct me if I am wrong, but the only two ranges I know with local dimming are the Samsung 8500 series as well as the Sony XBR x4500 series, in which Sony's LEDs are also RGB as opposed to Samsung's white.

So judging from this fact alone, the majority of the LED TVs that most Malaysians would be buying would just be an edge-lit LED, and following the links I have posted, edge-lit LED TVs do not bring about much improvements over other types of TV.

I can modify a 5 year old LCD to use LED as well and advertise it as LED TV. I am not wrong, following the 'defination' that is being used, but then the picture quality is going to be that of a 5 year old LCD.

So please be more aware when making claims such as "I'm putting LED's on top of my list" that LED in itself does not make a better TV and that there are TVs out there which does not use LED but still have fantastic picture quality.

Edit: Of course, essentially, it is the consumer's money and their choice to what they want to buy. So if you want to be drawn into the hype and just look at everything LED only, go ahead, but don't go and spread your false propoganda to others, that is all.

Edit: Here is a review on a 46" Samsung Series 8 as well as the 46" Sony Z5500 (Z550A for us here in Malaysia)

Take note that the Samsung's review is earlier than the Sony's as well. The Sony is also not using LED backlight, yet it is on par if not better in most areas when it comes to picture quality and speed (200Hz)

http://www.whathifi.com/Review/Samsung-UE46B8000/

http://www.whathifi.com/Review/Sony-KDL-46Z5500/

This post has been edited by dxreaper: Jan 2 2010, 11:17 PM
ar188
post Jan 2 2010, 11:14 PM

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you mean got actual people here trying to say LED TV is not LCD TV? wah..
TSdxreaper
post Jan 2 2010, 11:20 PM

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QUOTE(ar188 @ Jan 2 2010, 11:14 PM)
you mean got actual people here trying to say LED TV is not LCD TV? wah..
*
Yep. I was looking through the forums to get some information to help find a new TV for my dad, but more than half of the recommendations and suggestions here are all parroting false information.

But just the fact that the Sony 46Z5500 is as good as if not better than the Samsung UE46B8000 should hopefully cause future buyers of TVs to actually look carefully before falling for the LED TV marketing hype.
azbro
post Jan 2 2010, 11:32 PM

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QUOTE(dxreaper @ Jan 2 2010, 11:05 PM)
The reason I started this post is to bring aware to the public to not be drawn into the hype caused by this waves of marketed 'LED TVs'. I mean Malaysians are suckers for falling into hypes la honestly. Rotiboi la, the doughnut phase la.. I mean even cars also.. wait list here wait list there.. everyone Kiasu.. But back to the topic.

Correct me if I am wrong, but only does the Samsung 8500 series have local dimming LEDs and not the Samsung 8000.

Also, correct me if I am wrong, but the only two ranges I know with local dimming are the Samsung 8500 series as well as the Sony XBR x4500 series, in which Sony's LEDs are also RGB as opposed to Samsung's white.

So judging from this fact alone, the majority of the LED TVs that most Malaysians would be buying would just be an edge-lit LED, and following the links I have posted, edge-lit LED TVs do not bring about much improvements over other types of TV.

I can modify a 5 year old LCD to use LED as well and advertise it as LED TV. I am not wrong, following the 'defination' that is being used, but then the picture quality is going to be that of a 5 year old LCD.

So please be more aware when making claims such as "I'm putting LED's on top of my list" that LED in itself does not make a better TV and that there are TVs out there which does not use LED but still have fantastic picture quality.

Edit: Of course, essentially, it is the consumer's money and their choice to what they want to buy. So if you want to be drawn into the hype and just look at everything LED only, go ahead, but don't go and spread your false propoganda to others, that is all.
*
For me, from what I see with my own eyes, it does make a difference. But not for all LCD that uses LED. As you said, you can simply use a 5 year old LCD and fit LEDs to it.
I specifically mention Samsung Series 8.

QUOTE(ar188 @ Jan 2 2010, 10:54 PM)
you have to pit the series 8 with high end plasma, which it still loses...
if you take series 8 pijak S10 then susah la.. price also can buy 2 plasma already..

if you want LED backlight (to replace plasma), just make sure it's got local dimming and over 512 zones.. that should reduce the blooming problem caused by zoning the LEDs...
*
Plasmas will always be Plasmas...and great at what they are doing, seeing a Panny both beside a Sony booth...one can only truly understand why the colors are so natural yet vibrate with depth.
Between the Samsung 8 and Panny S...could be my eyes is wrong, but for me the Samsung 8 is better...maybe I'm so use to watching Panny Plasma and Sony / Samsung LCD colors that I think LCD lit with LED is different and has the advantage.
If wanna compare price then its a different story.
TSdxreaper
post Jan 2 2010, 11:39 PM

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Yeah, I know you did mention the Series 8, but you also did mention that it's either LED TVs or nothing and those kind of statements are misleading to others, that's all.

What I am just trying to get here is that LED is not what makes a good TV. It still depends on the other parts as well, and this is proven with the 46Z5500 (46Z550A here) with it's equal if not better quality to the Series 8 even though it does not use LED.

Plasmas technology is another example as well. I was always had this idea that Plasmas will always have better black level/contrasts when compared to LCDs... but after seeing the newer LCD TVs, a lot of Plasma models are losing in this department against the better LCD TVs.

This post has been edited by dxreaper: Jan 2 2010, 11:40 PM
azbro
post Jan 2 2010, 11:48 PM

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QUOTE(dxreaper @ Jan 2 2010, 11:39 PM)
Yeah, I know you did mention the Series 8, but you also did mention that it's either LED TVs or nothing and those kind of statements are misleading to others, that's all.

What I am just trying to get here is that LED is not what makes a good TV. It still depends on the other parts as well, and this is proven with the 46Z5500 (46Z550A here) with it's equal if not better quality to the Series 8 even though it does not use LED.

Plasmas technology is another example as well. I was always had this idea that Plasmas will always have better black level/contrasts when compared to LCDs... but after seeing the newer LCD TVs, a lot of Plasma models are losing in this department against the better LCD TVs.
*
Yeah, for me Sony top range are very good and the progress they made is impressive. Still not to Plasma standards but very - very close to it.
From BE2 to BE3 is a huge leap in performance.

See how the technology goes...
TSdxreaper
post Jan 2 2010, 11:50 PM

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Yeah. Just sad that they don't have the Bravia XBR X4500 here though. That one is really a leap in performance.

I saw one right next with the Z5500 at JB-HiFi in Australia... seriously super nice contrast and all. Just that it costs 2x more.. and you thought the Z550A is expensive =P

They should be coming out with a replacement for that soon though, the X4500 is still using Bravia 2 Pro and 100Hz.
endG
post Jan 2 2010, 11:57 PM

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whats d fuss? LED tv is jus a term for average consumer to differentiate tht those LED-backlit LCDs are abit different frm d normal LCD..

average uncle dun realy giv a damm whether its LED Tv or LED-backlit LCD, as long they notice d difference in brightness, contrast, color....

even laptop lcds nowadays r using dis terms..
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post Jan 3 2010, 12:04 AM

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People will look at price first. Your average consumer will not even bother with a true LED HDTV as long as the price is a problem for them. Many willingly settle for good old backlit LCD HDTV.
TSdxreaper
post Jan 3 2010, 12:05 AM

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QUOTE(endG @ Jan 2 2010, 11:57 PM)
whats d fuss? LED tv is jus a term for average consumer to differentiate tht those LED-backlit LCDs are abit different frm d normal LCD..

average uncle dun realy giv a damm whether its LED Tv or LED-backlit LCD, as long they notice d difference in brightness, contrast, color....

even laptop lcds nowadays r using dis terms..
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The fuss is that a lot of average consumers don't see LED TV as just LCDs with LED backlights, but something more. Average uncles also don't know and see LED TV and just buys it because it's 'new'. And a lot of stores don't set up the TVs properly so you can't judge from what you see in stores as well. That's pretty much it.. lol..
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post Jan 3 2010, 12:20 AM

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QUOTE(dxreaper @ Jan 3 2010, 12:05 AM)
The fuss is that a lot of average consumers don't see LED TV as just LCDs with LED backlights, but something more. Average uncles also don't know and see LED TV and just buys it because it's 'new'. And a lot of stores don't set up the TVs properly so you can't judge from what you see in stores as well. That's pretty much it.. lol..
*
so uncle who buy LED backlitted LCD are some blind rich fags....nice rclxms.gif rclxms.gif
TSdxreaper
post Jan 3 2010, 12:23 AM

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Isn't there newer cheaper LED TVs out there now? Sorry arr.. haven't really looked at TV prices.. Also considering that there's already Series 8, wouldn't the Series 6/7 be cheaper too?
jimmydotnet
post Jan 3 2010, 12:35 AM

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just went to harvey norman.i dun think sammy do tricky marketing here.coz at the led tv displayed here clearly says Led LCD TV.

But honestly before dis i was so hyped up by this led tv.thank god my frens helps clear my undestanding.
TSdxreaper
post Jan 3 2010, 12:58 AM

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QUOTE(jimmydotnet @ Jan 3 2010, 12:35 AM)
just went to harvey norman.i dun think sammy do tricky marketing here.coz at the led tv displayed here clearly says Led LCD TV.

But honestly before dis i was so hyped up by this led tv.thank god my frens helps clear my undestanding.
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LoL... And this is the advertisment at the top of this page =P

Samsung LED TV advertisment

I myself was confused as well. I first heard of these LED TVs when I saw the Sony XBR in Australia. The colour and contrast level was really good compared to the other models (Z5500 included) and that's where I started looking and coming across the use of LED TVs.

When I saw Samsung's LED TV logo (as shown above), I initially thought they were using the same technology/method as Sony, only to find out that it's only just LED Backlights on the edge, not even behind (until the Series 8.5).

Just the fact that yourself and myself were confused at first shows that there are many out there who would be as well, better to just put the facts down for people to see.
ar188
post Jan 3 2010, 01:55 AM

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http://blogs.rnw.nl/medianetwork/samsung-l...ve-fold-in-2010

UK already slapped their wrists, but can still use the term LED TV.. biggrin.gif
anchovies93
post Jan 3 2010, 02:01 AM

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phewww.....glad that sorted. I think about pioneer plasma TV. Is LED better than this plasma TV??
ar188
post Jan 3 2010, 02:11 AM

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QUOTE(anchovies93 @ Jan 3 2010, 02:01 AM)
phewww.....glad that sorted. I think about pioneer plasma TV. Is LED better than this plasma TV??
*
is the LED the 8500? if not no chance to compete with even a phased out pionner..
TSdxreaper
post Jan 6 2010, 12:49 AM

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Found this other forum which also talks about LED LCDs in detail as well. Linking it here as well as updating first post for future reference for others.

http://www.avforums.com/forums/lcd-led-lcd...technology.html

Edit:
Modified topic/description to assist forum readers as well as added some further explaination into my initial post.

This post has been edited by dxreaper: Jan 6 2010, 01:01 AM
azbro
post Jan 6 2010, 07:52 AM

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QUOTE(dxreaper @ Jan 6 2010, 12:49 AM)
Found this other forum which also talks about LED LCDs in detail as well. Linking it here as well as updating first post for future reference for others.

http://www.avforums.com/forums/lcd-led-lcd...technology.html

Edit:
Modified topic/description to assist forum readers as well as added some further explaination into my initial post.
*
Yeah..I like this title.. thumbup.gif
anfieldude
post Jan 6 2010, 09:39 AM

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My 2 cents.

LED backlit LCDs are have an edge over CCFL backlit in 2 ways. There are better overall black levels and lower power consumption.

However, there are problems with uniformity issues due to edge lit designs. As the screen sizes become bigger, the uniformity is worse. This will be more apparent when u get back home and watch under dimmer light conditions. Worst still if u watch in dark conditions when there are dark scenes. The centre of the screen will not be as dark as the edges. Also because of this, the colour rendition is also not as accurate. Coupled with some sets having non defeatable (in user menu) auto dimming, these are the known issues with edge LED lit LCDs.

Also in the future, there will be no way to implement local dimming edge LED lit sets. The true LED backlit performers are the ones with local dimming capabilities. As ar188 said, the more zones the better to reduce blooming effect. Another concern of mine is the use of white LEDs instead of RGB array LEDs for colour accuracy.

There terminology is misleading but its works wonders to get people excited. However, the layman could care less. They always want the newest, highest numbers (eg, 240Hz) and the cheapest when looking for products.

One high point to Samsung is the availbility of a full 3D CMS which is the best implementation on a consumer set that I have seen. I am unsure if the Sony Z series offers a CMS.

That said the Sony normally has a more solid implementation of the motion interpolation engine in the LCD camp.
SpongeY
post Jan 7 2010, 02:33 AM

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lol i just bought the samsung led tv series 7, in my opinion, people who think about buying these led tvs do have the purchasing power, therefore they just want to get it cos its the newest and dont really care if there isnt much difference to the regular lcd tvs. in fact, 40% less power is enough to seal the deal. my rm0.02
TSdxreaper
post Jan 7 2010, 09:36 AM

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You must remember where you get the 40% figures from though.

My Sony 46Z5500 (Z550A) uses 185Ws in operation and from Samsung's site, the UA46B7100 uses 170W.

But that aside, power saving is useful if you use your telly a lot. I know someone who has theirs switched on whenever they're awake for their kids and all, lol...
low98944
post Jan 7 2010, 10:09 AM

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QUOTE(SpongeY @ Jan 7 2010, 02:33 AM)
lol i just bought the samsung led tv series 7, in my opinion, people who think about buying these led tvs do have the purchasing power, therefore they just want to get it cos its the newest and dont really care if there isnt much difference to the regular lcd tvs. in fact, 40% less power is enough to seal the deal. my rm0.02
*
If I not mistaken, power comsumption is very according to content of the tv (i.e. which colour the TV display will affect the power comsumption of you TV). So, 40% saving may not always true.

This post has been edited by low98944: Jan 7 2010, 10:11 AM
ar188
post Jan 7 2010, 10:24 AM

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QUOTE(low98944 @ Jan 7 2010, 10:09 AM)
If I not mistaken, power comsumption is very according to content of the tv (i.e. which colour the TV display will affect the power comsumption of you TV).  So, 40% saving may not always true.
*
for LCD is pretty constant.. cos the backlights are always on.. even for LED (non local dimming types)

for plasma, that's a different story, power fluctuates depending on the content of the TV as you mention, not every movie scene is a full White screen or White noise (max power condition)
anfieldude
post Jan 7 2010, 12:05 PM

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QUOTE(ar188 @ Jan 7 2010, 10:24 AM)
for LCD is pretty constant.. cos the backlights are always on.. even for LED (non local dimming types)

for plasma, that's a different story, power fluctuates depending on the content of the TV as you mention, not every movie scene is a full White screen or White noise (max power condition)
*
ar188,

Did u check out Sharp's new innovation for 2010. Their LED panels will come with RGBY pixels! Yes standalone yellow pixels. They also claim to increase the colour gamut....
ar188
post Jan 7 2010, 12:11 PM

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QUOTE(anfieldude @ Jan 7 2010, 12:05 PM)
ar188,

Did u check out Sharp's new innovation for 2010. Their LED panels will come with RGBY pixels! Yes standalone yellow pixels. They also claim to increase the colour gamut....
*
http://www.engadget.com/2010/01/06/sharps-...-inch-set-with/

yeah read about that... cos additive color RGB (using the green + red portion) can't really make reallife yellow properly.. so need to add pure yellow component..


Added on January 7, 2010, 12:12 pmbut I wonder any 512 zone 4 color local dimming LED inside? tongue.gif

This post has been edited by ar188: Jan 7 2010, 12:12 PM
Lord_Ashe
post Jan 7 2010, 12:16 PM

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this is a good thread. i stopped counting how many people told me they want to get that new LED tv quick because it's "BETTER".

Having said that, I can't afford any of the models being discussed by forumers here, but this is definitely useful info.
ar188
post Jan 7 2010, 12:18 PM

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well, it's better than CCFL but not exactly a new technology as it's still LCD at the end of the day, only the backlight portion has changed..


Added on January 7, 2010, 12:21 pmuser posted image

http://en.wikipedia.org/wiki/LED-backlit_LCD_television

This post has been edited by ar188: Jan 7 2010, 12:21 PM
chastan1
post Feb 6 2010, 10:00 PM

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The best price for samsung led in penang are as follow
Samsung 46'' LED TV UA46B6000-rm 7100
Samsung 46'' LED TV UA46B7000-8000
Samsung 46'' LED TV UA46B8000-9700


 

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