OLED TVs: Technology Advancements Thread - Page 25 - AVS Forum
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post #721 of 10526 Old 10-25-2008, 05:20 PM
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Quote:
Originally Posted by inky blacks View Post

I would also like stations to use a high tech method to stretch all 3 by 4 TV shows to 9 by 16 for replay.
IB

?why would anybody with a high PQ unit want to watch anything that's stretched?

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post #722 of 10526 Old 10-25-2008, 06:08 PM
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Some sat channels stretch 3 by 4 material with expensive, hi tech methods that are much better than the stretch modes built into televisions.

IB
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post #723 of 10526 Old 10-25-2008, 09:52 PM
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Quote:
Originally Posted by MikeBiker View Post

So they, maybe, fixed green. What about the other colors?

This is all positive news

However

I hope they're also doing something about BLUE materials and chemicals (because these are the worst performers))
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post #724 of 10526 Old 10-26-2008, 08:30 AM
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Is this burn in OLED problem something people have dreamt up because OLED material burns up, though very slowly, or is it an actual concern?

If OLED has a half life of 60000 hours then burn in should be just as much a problem as it was in high quality CRT televisions, in other words no problem what so ever.
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post #725 of 10526 Old 10-26-2008, 02:22 PM
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Originally Posted by -=Kamikaze=- View Post

Is this burn in OLED problem something people have dreamt up because OLED material burns up, though very slowly, or is it an actual concern?

If OLED has a half life of 60000 hours then burn in should be just as much a problem as it was in high quality CRT televisions, in other words no problem what so ever.

OR the same (or less) as plasmas nowadays with 100,000 hours (half-life). People still believe that burn-in is a big problem, when it really isn't. There was an article published about 2 years ago that said that burn-in on plasmas was reduced to the level of a CRT.

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post #726 of 10526 Old 10-26-2008, 03:13 PM
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Quote:
Originally Posted by MikeBiker View Post

So they, maybe, fixed green. What about the other colors?

It sounds like the improvement is for all colors and the reason they mentioned green OLEDs is probably due to it having the longest lifespan.
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post #727 of 10526 Old 10-26-2008, 10:42 PM
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I wish someone would partner with someone (i.e. I don't care who it is) and produce either a 14.1" or 15.4" notebook using an OLED display. Coupled with a Blu-ray drive and a GM45, 780M, or the new 9x00 series from nVidia, that'd be one nice media notebook (not to mention all around notebook).

Seems like a perfect way to start making revenue on the OLED investment if you're an OLED manufacturer, and a perfect way to offer something the competition doesn't have if you're a notebook manufacturer...

Chuck
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post #728 of 10526 Old 10-27-2008, 05:00 PM
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Sounds good to me.

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post #729 of 10526 Old 10-28-2008, 05:41 PM - Thread Starter
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TU Dresden research group raises OLED efficiency
28 October 2008

A research group of the Dresden Technical University has achieved record energy efficiencies for OLEDs. The achievement brings the organic LED technology closer to industrial volume production.

The research team achieved an efficiency of 26, 22 and 3.1 percent for red, green and blue organic LEDs which combined form a white light source. The low efficiency for blue results of physical differences — while red and green OELDs are phosphorescent light sources, their blue counterpart is a fluorescent one, resulting in lower light emission. The difference, however, can be compensated for by increasing the active size of the blue light emitter as well as sending a higher current through it, explained research group member Rico Meerheim.

In any case, the efficiency achieved is significantly higher than what was hitherto possible, in particular for the red light source. The OLED created by the Dresden team achieved a light intensity of 81, 101 and 4 lumen per watt.

The research was conducted in cooperation with Dresden-based OLED technology provider Novaled AG. A company spokesperson said the research results advances the OLED technology significantly. In comparison with silicon-based LEDs, Novaled claims OLEDs offer better displays with higher contrast, better color intensity, lower energy consumption, and an extreme viewing angle. In addition, OLEDs allow designers to build ultra-thin displays. Currently, only Japanese consumer electronics vendor Sony Corp. commercializes large OLED displays in a TV screen.
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post #730 of 10526 Old 10-29-2008, 04:43 AM
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Looks like Samsung is showing off some new OLED devices of their own. First, they are trumping Sony's 0.3mm unit with a 0.05mm unit (impressive). Second, they are showing a semi-transparent display (nice!).

Pictures and details: http://www.engadget.com/2008/10/29/s...apping-oled-p/
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post #731 of 10526 Old 10-29-2008, 09:44 AM
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Wow the FPD international bring some major OLED news!

Samsung shows alongside the 14-inch and 31 inch OLED Panels a new OLED TV prototype a 40 inch FULL HD OLED Television.

Samsung SDI has been working on its prototype 40-inch OLED screen, already the largest OLED screen yet seen, and the latest model now offers full high definition.

http://www.oled-display.net/samsung-...ull-hd-oled-tv


CMEL aTaiwanese display maker has developed a 25-inch screen that's less than a millimeter thick at the FPD INternational.
The screen has a resolution of 1,366 pixels by 768 pixels (WXGA) and can display 16.7 million colors.


http://www.oled-display.net/cmel-sho...llimeter-thick
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post #732 of 10526 Old 10-29-2008, 10:00 AM
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Quote:
Originally Posted by Superman07 View Post

Looks like Samsung is showing off some new OLED devices of their own. First, they are trumping Sony's 0.3mm unit with a 0.05mm unit (impressive). Second, they are showing a semi-transparent display (nice!).

Pictures and details: http://www.engadget.com/2008/10/29/s...apping-oled-p/

That is some crazy cool s$@t!!

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post #733 of 10526 Old 10-29-2008, 12:30 PM - Thread Starter
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LG Display showcases new AMOLED prototypes
29 October 2008




LG Display Showcases also new OLED Prototypes at FPD International 2008
LG Display will reveal its differentiated technology centering on the themes of ‘environment friendly’, ‘distinctive design’ and ‘AMOLED’.

LG Display announce some new AMOLED products which are receiving the spotlight as the next-generation display.
  • 4-inch flexible AMOLED with qVGA resolution
  • Small- and mid-size AMOLED products in the 3-inch to 4.3-inch range
  • 15-inch and 19-inch AMOLED products
-------------------------------------------------------------------------------------------

Samsung shows 40 inch FULL HD OLED TV
29 October 2008




Samsung shows alongside the 14-inch and 31 inch OLED Panels a new OLED TV prototype a 40 inch FULL HD OLED Television.

Samsung SDI has been working on its prototype 40-inch OLED screen, already the largest OLED screen yet seen, and the latest model now offers full high definition.

Sporting a sign proclaiming "The world's 1st, world's largest," the display caught the eye of many show attendees and there was often a small crowd gathered around the family of prototypes.

Samsung first announced development of a 40-inch OLED panel in 2005. At that time the screen had a 1,280 pixel by 800 pixel resolution but the new panel has full high-def 1,920 pixels by 1,080 pixels, which in addition to being higher resolution than the previous model is also a TV panel resolution while the previous screen was a computer panel resolution.

Another change between the two models is a big jump in contrast ratio, from 5,000:1 on the previous prototype to 1 million:1 on the new screen.

-------------------------------------------------------------------------------------------

Samsung SDI VP Indicates OLED Panel Roadmap in Keynote Session
29 October 2008




"It is Samsung SDI that is supplying OLED panel products now," said Ho Kyoon Chung, executive vice president and CTO, Corporate R&D Center, Samsung SDI Co Ltd of Korea, in the FPD Summit (keynote session) at the "FPD International 2007 Forum" October 24.

He presented the company's OLED panel roadmap and said, "OLED panels have opened the new era of organic optoelectronics. Not only displays but also new applications such as OLED lighting systems, organic electro-luminescent power generators and organic sensors will emerge in the near future."

"In the mobile display industry, the shift from monochrome to color displays formed the first wave, the realization of high-resolution TFT panels made the second wave and active matrix OLED panels will be the third wave," Chung said. "The OLED panel market will grow to US$3.7 billion in 2010."

Regarding the company's production scale, "We initiated OLED panel volume production in September 2007 and our current output is 1.5 million units per month on a 2-inch panel basis," he said. "The output will reach 3 million units per month in 2008.".

Explaining the company's product development roadmap, Chung said, "Following small panels used in 2007, 3.5- to 7-inch panels including 4.1-inch panels will be applied to ultra mobile PCs, for example, in 2008. Then we will realize 14-, 15- and 21-inch panels in 2009 and large 40- to 42-inch full HD (high definition) OLED TVs in 2010."

"We will provide a flexible OLED display by 2012 at the latest," he added.

As for OLED lighting systems, Chung said, "It won't be long before we commercialize them," because the OLED's light emitting efficiency is currently doubling every year. The company currently achieves 50lm/W luminance, a life of 20,000 hours till the initial luminance halves and a color rendering property of more than 80 colors.

"Our cost goal is 1 euro cent per lumen," said Chung.

-------------------------------------------------------------------------------------------

CMEL shows 25-inch OLED Display that's less than a millimeter thick
29 October 2008




CMEL, a Taiwanese display maker has developed a 25-inch screen that's less than a millimeter thick at the FPD International.

The screen has a resolution of 1,366 pixels by 768 pixels (WXGA) and can display 16.7 million colors.

Chi Mei EL's previous thinnest prototype was 3 mm thick but the company managed to slim this down by adopting a new production method, said Leonard Fu, a product manager with the company.

Chi Mei EL is a display off-shoot from Taiwan's Chi Mei Optoelectronics. It was formed in 2004 to develop OLED displays and the company already sells a number of small-size panels for use in portable electronics devices.

Dainippon Screen MFG Co Ltd developed an integrated manufacturing system to produce large OLED panels through coating processes.

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Dainippon Screen Employs Coating Process to Roll Large OLED Panels
29 October 2008







Dainippon Screen MFG Co Ltd developed an integrated manufacturing system to produce large OLED panels through coating processes.

Dainippon Screen and E.I. du Pont de Nemours & Co (DuPont) jointly established a new OLED manufacturing process based on the "multi-nozzle printing method," which uses DuPont's soluble low-molecular-weight organic EL material. And the companies employed this process for the new manufacturing system.

The system is applicable to the sizes of the fourth generation and later substrates. It is equipped with functions to feed and clean substrate, form a multilayer film with a linear coater, selectively coat portions of a substrate by nozzle-printing to form a light emitting layer and dry the resultant substrate.

The system has a monthly throughput of 10,000 panels per line. Dainippon Screen plans to put the system on the market by the end of fiscal 2009.

In May 2008, Dainippon Screen and DuPont signed an agreement to jointly develop a technology to manufacture large OLED panels at a low cost. And, since then, they have adavnced the joint development of a coating process for low-molecular-weight organic materials. The latest integrated manufacturing system features a high material utilization efficiency and is capable of mass-producing large OLED panels at a low cost.

In the coating processing according to the nozzle printing method, the nozzle is brought closer to a substrate and moved at a high speed while continuously ejecting a solution; as a result, linear patterns of the light emitting layer are formed on the substrate.

The system is designed to achieve a uniform film thickness and effectively use materials. It allows high-speed coating at a takt time of three minutes per fourth-generation substrate.

Dainippon Screen will present the outline of the system and exhibit a 4.3-inch (480 x 272) OLED panel manufactured by the related technology at FPD International 2008, which runs from Oct 29 to 31, 2008 in Yokohama, Japan.

Meanwhile, the backplane was manufactured by Chi Mei EL Corp of Taiwan.
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post #734 of 10526 Old 10-29-2008, 01:46 PM
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post #735 of 10526 Old 10-29-2008, 02:51 PM
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All the OLED displays are showing lots of red and a little blue. Why no green?
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post #736 of 10526 Old 10-29-2008, 03:34 PM - Thread Starter
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“FPD International 2008” commencement − Samsung SDI exhibiting 40" type organic EL and 4K PDP etc
29 October 2008



Samsung 40" OLED



1,000,000:1 Contrast Ratio



8.9mm Depth



Super Grain Silicon



Super MicroCavity Bottom Emission structure



FMM evaporation technology


Samsung SDI exhibiting 40 type full HD organic EL displays. 40 types become world's largest as organic EL. As for resolution 1,920x1,080 dot. As for contrast ratio 1,000,000:1, as for brightness 200 cd/m2. As for depth 8.9mm.

Without using the laser, actualizing enlargement SGS which does crystallization (Super Grain Silicon) making use of technology. In addition, the bottom emission structure that was improved, improvement of brightness and color reappearance is difficult, to adopt Super MicroCavity Bottom Emission structure, with improvement of luminous efficiency improvement color reproducibility. You say that 107% color reappearance was made possible at NTSC ratio.

In addition, low also with the adoption and the like of resistant wiring process electric power consumption conversion actualizes low. It installs also the pixel control technology which controls unevenness. FMM (Fine Metal Mask) you adopt evaporation technology to film manufacture, correspond to large picture conversion.

It exhibits also the full HD panel of 31" types and the organic EL panel of 14" type 1,366x768 dots in addition to 40" types/full HD as organic EL for the television. As for 31" types as for Super MicroCavity Bottom Emission structure and 14" types with top emission structure, together as for contrast ratio 1,000,000:1, as for brightness 200 cd/m2. But as for mass production schedule undecided, as for development we assume that consecutively it keeps advancing.

In addition, for portable equipment such as 5" type 800x480 dots and 3.7" type 800x480 dots large number it exhibits also the organic EL panel.

Furthermore, the super thin-shaped organic EL display, “Flapping Display” 0.05mm the reference exhibition. The kind of scantness which flutters in the wind with is a special feature, as for size 4" types. As for resolution 480x272 dot, as for contrast 100,000:1, as for brightness 200 cd/m2. It displays bending possible organic EL “Foldable Display”. You say that from the fact that it is bent to half utilization by portable telephone and the like is developed in consideration.

The object of the display rear being transparent, it is visible, it displays also “Transparent AMOLED”. By the adoption and the like of top emission structure, being able to guarantee the transmissivity of 30%, or more being able to verify also “the far side” of display is a special feature. Application with the car and the interior and military use is supposed. As for resolution 320×240 dot.

Displaying also LG and CHE MEI organic EL. PDP road map









LG 19" OLED


With the booth of CHE MEI, displaying organic EL of thickness 0.9mm with 25" types. As for resolution 1,366x768 dot, as for contrast ratio 10,000:1 or more, by comparison with the existing liquid crystal television, scantness is appealed on the front.

With the booth of LG DISPLAY, the technical exhibition of the full HD liquid crystal television, thickness 11.8mm with 47 types is done. Is actualized super thin-shaped conversion with such as the side LED and device of LED arrangement. Furthermore, it displays also organic EL display in addition to the demonstration of 240Hz drive and LED back light.

As for the maximum size of organic EL of the same company with 19" types, as for resolution 1,024x768 dot. As for contrast 100,000:1 or more, as for brightness 200 cd/m2. In addition, you line up also 4.3" type / 3.7" type wide QVGA and the like for the portable player.
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post #737 of 10526 Old 10-30-2008, 08:31 AM
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I'll take one of each please.

I'm curious what the prices on these would be. Probably back to the $8k level for a 40"? Assuming the technology sticks it will probably be 4-5 years before the pricing comes down to todays levels for comprable sized sets.
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post #738 of 10526 Old 10-30-2008, 09:29 AM
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Quote:
Originally Posted by Isochroma View Post


The 31" OLED TV that they have been showing off does not appear on their products roadmap. Apparently we are headed directly toward 40"/42".
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post #739 of 10526 Old 10-30-2008, 11:56 AM
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Briefly scanned the Engadget entry about the 40-inch Samsung.

Said something like the PQ wasn't that great (despite 1,000,000:1 CR and 107% NTSC color gamut), but made it sound like it's to be expected at this stage.
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post #740 of 10526 Old 10-30-2008, 02:35 PM
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Originally Posted by wco81 View Post

Briefly scanned the Engadget entry about the 40-inch Samsung.

Said something like the PQ wasn't that great (despite 1,000,000:1 CR and 107% NTSC color gamut), but made it sound like it's to be expected at this stage.

Well... from the road map, a 40" model won't be shipping for another 2 years, so I'm sure there is time to make improvements. Not sure if I want to wait that long to buy one though. Only one more year till I can replace my CRT computer monitor with an OLED!
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post #741 of 10526 Old 10-30-2008, 04:22 PM - Thread Starter
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'40-inch OLED Panel Is Largest Size Possible,' Samsung Says
30 October 2008



Samsung SDI's 40-inch OLED panel



It is 8.9mm thick.


Samsung SDI Co Ltd exhibited a 40-inch OLED panel that features a full HD resolution of 1920 x 1080, a contrast ratio of 1,000,000:1, a color gamut of 107% NTSC and a luminance of 200 cd/m2 (peak luminance of 600 cd/m2) at FPD International 2008.

Though there were some vertical line defects, the panel appeared to have a luminance peculiar to OLED displays.

The driver board is a low-temperature poly-Si TFT, and it is made by the super grain silicon (SGS) technology to grow crystals without using a laser.

"Our low temperature poly-Si TFT mass-production line cannot make panels larger than 31 inches," a Samsung staffer said. "This 40-inch TFT panel is the largest size that can be made on our pilot line, and it cannot be mass-produced right away."

The RGB organic light emitting materials were formed by vapor deposition. The company used a fine metal mask (FMM). Fluorescent materials are used for red and green, while a phosphorescent material is used for blue, the staffer said.

"In order to reduce variations in luminance, the panel incorporates a circuit that equalizes the current in the screen," the staffer said.

It is a bottom emission type display with a microcavity structure employed to improve the color gamut.
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post #742 of 10526 Old 10-30-2008, 04:39 PM
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So my guess is it will be some time before a 50-60 inch OLED will hit the shelves huh?
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post #743 of 10526 Old 10-30-2008, 05:56 PM
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Originally Posted by chadmak09 View Post

So my guess is it will be some time before a 50-60 inch OLED will hit the shelves huh?

If we extrapolate the roadmap (sizes double each year between 2007 and 2010), I would say 2011 .
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post #744 of 10526 Old 10-31-2008, 02:05 AM
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Originally Posted by chadmak09 View Post

So my guess is it will be some time before a 50-60 inch OLED will hit the shelves huh?

It will be much longer time before a 50-60 inch TV is a mainstream product. Take that into account In the same way, OLED market will begin on the small gadgets, then will move to laptops and then to desktop monitors, before it even hits the mass produced televisions. Later big televisions will be developed once the mass production of such panels is profitable. An identical roadmap to the LCD one.

So... yes, youre right. But I felt obligated to take the sarcasm away.
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post #745 of 10526 Old 11-03-2008, 05:05 PM - Thread Starter
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Samsung 40-inch Full-HD OLED display unveiled
29 October 2008







Samsung’s flexible OLED panel isn’t the only display the company has been showing off this week; they’ve also wheeled out a 40-inch OLED screen capable of full 1920 x 1080 high-definition resolution. The new panel also has a 1,000,000:1 contrast ratio.

The prototype is an update of a previous 40-inch OLED display, which Samsung first began developing in 2005. That first screen, while the same size, had a resolution of just 1,280 x 800 and a 5,000:1 contrast ratio. Samsung demonstrated the latest model alongside the 14-inch and 31-inch prototypes it recently unveiled at IMID in Korea.

At 40-inches full-HD, the panel is a world-first. Samsung has given no indication of if or when this specific display will be commercialized, but the company has previously claimed that AMOLED screens will become economically feasible in 2009.
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post #746 of 10526 Old 11-03-2008, 06:19 PM
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Originally Posted by Isochroma View Post

Samsung 40-inch Full-HD OLED display unveiled
29 October 2008

http://lifestyle.hexus.net/content/item.php?item=10175

Year ago, Samsung was advertising their new thin LCD prototype WITH THE SAME PICTURES. Now they are recycling the same images to demonstrate new OLEDs.
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post #747 of 10526 Old 11-04-2008, 06:47 AM
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Quote:
Originally Posted by Daviii View Post

An identical roadmap to the LCD one.

Computer monitors and laptop screens are a given IMO. The roadmap shows the 40"-42" size range because that is where the largest volume of sales are at the moment. If that size moves to 50", I am sure they will change along with it.

Note that the article said the "pilot line" was maxed out at 40", which means that after the proof of production and development is done on that line, they will still have to set up other production lines for anything bigger. That next line could just as easily be running 46", 50" or 55".

When 2010 finally gets here (just 2 short years before the doom of 2012, ha) who knows what the biggest selling size will be for FPD's, that will determine the size that Samsung will ultimately produce.
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post #748 of 10526 Old 11-05-2008, 09:33 AM
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I have a comment to make or rather an observation about the quest for a thin (in mm) OLED tv. While thin is nice, there is a limit to the true functionality of thin. Aren't these TVs going to require cable inputs (HDMI or component) which will more than likely make them fatter? I can see a thin 1 mm tv on the wall with some external wired device (hub) for the inputs, but what good is that?

Unless they can truely integrate inputs and make them wireless (not even close for prime time) then the fact that the TV is 1 mm thick does make much difference to me if it is fat in other areas that are designed to allow for inputs.

Give me a color accurate, bright, incredible contrast, large (60 + incheds) AFFORABLE OLED (in 4 K range) this is 1 inch think and I am sold. I could care less if it is .5 inches thick or 1 mm thick.
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post #749 of 10526 Old 11-05-2008, 10:54 AM
TNG
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Originally Posted by stepmback View Post

I have a comment to make or rather an observation about the quest for a thin (in mm) OLED tv. While thin is nice, there is a limit to the true functionality of thin. Aren't these TVs going to require cable inputs (HDMI or component) which will more than likely make them fatter? I can see a thin 1 mm tv on the wall with some external wired device (hub) for the inputs, but what good is that?

Unless they can truely integrate inputs and make them wireless (not even close for prime time) then the fact that the TV is 1 mm thick does make much difference to me if it is fat in other areas that are designed to allow for inputs.

Give me a color accurate, bright, incredible contrast, large (60 + incheds) AFFORABLE OLED (in 4 K range) this is 1 inch think and I am sold. I could care less if it is .5 inches thick or 1 mm thick.

This has been brought up before and it is a valid question.

The ability to hook up cables and at least power is one thing, but what would provide the structural stiffness the panel would require at 1mm, 3mm, or even 6mm thick? Something has to keep the panel itself from flexing and causing damage.
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post #750 of 10526 Old 11-05-2008, 12:23 PM
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Originally Posted by TNG View Post

This has been brought up before and it is a valid question.

The ability to hook up cables and at least power is one thing, but what would provide the structural stiffness the panel would require at 1mm, 3mm, or even 6mm thick? Something has to keep the panel itself from flexing and causing damage.


I have been wondering about this also.
IMO once you get to a certain point with thin-ness (1-2 inches), the rest is kinda pointless.
Whats the point of having a paper thin display?
Sure its cool but thats about it.
And how does a regular monitor power cord plug into a 1mm display??
Maybe it as a special type of cord?
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