The 'I' in ILED stands for Inorganic, and according to this thread (http://www.avsforum.com/avs-vb/showthread.php?t=681125), it promises to be even more advanced than OLED, with a response rate in the nanoseconds instead of mere microseconds like OLED (like we need that kind of speed, but still ;) )

What I want to know is what are the potential advantages and disadvantages compared to traditional OLED? OLEDs have a terrific gamut. Will ILED be even better in this respect? I'm guessing that viewing angle will be just as good as OLED.

And since LED (which is basically what an ILED is I think) is old tech, why weren't ILED TVs developed sooner? Is it because each ILED is very expensive to produce, or is it because each ILED is hard to get small enough to meet pixel size?

I'm guessing ILED will solve lifetime issues, once and forever, but how about the screen materials/coating. Can it use a completely matte surface if required? Can it potentially bend like flexible OLEDs can? How about transparency? Is it potentially easier to mass manufacture big displays (with micro-resolutions) using ILED compared to OLED?

Brightness now. Can ILED be potentially much brighter than OLEDs ever hope to be?

Love to see if ILED can ever be a permanent replacement for OLED at some point.

I read, here, the other day, that the problem with OLED is the "O" in OLED - the ORGANIC bit.

I'm waiting for LLED TVs. That laser light-emitting diodes.

Inorganic LEDs offer the highest realistically achieveable picture quality in a flat panel, but would also be excruciatingly hard to commercialise.


I'm waiting for LLED TVs. That laser light-emitting diodes.
Laser diodes can be either organic or inorganic.

In what ways would the picture quality be better, and why would it be so hard to commercialize? Love to know...

In what ways would the picture quality be better, and why would it be so hard to commercialize? Love to know...
If they could solve the issues with it, they could potentially make a display without any of the negative qualities of LCD and plasma. Great blacks, great whites, no dither, no mura, great uniformity, great lifespans, low power consumption, predictable gamma, lightning fast response rates, negligable flicker. I'd buy one.

The problem is, you can't make them affordably using technology available right now. The LEDs put out too much heat, so they would need to be spaced well apart, the distance between the LEDs would give the display a terrible aperture ratio, the LEDs would need to be big to put out enough light, which would compound both those problems. It would be hard to surface mount the LEDs and the driver circuity on huge circuit boards in an economical fashion. The displays would probably be fragile with these massive, low grade circuit boards in them.

It may well happen one day in the future that ILED displays are a commercial reality, but we're certainly not talking short or medium term territory here.

I could see a second path here for this. Using a standard LED to excite a phosphor that would output the visible RGB. We jump back into the realm of lifetime expectations with that, but conceivably it might work.

It may well happen one day in the future that ILED displays are a commercial reality, but we're certainly not talking short or medium term territory here.There are already displays like this out there using standard LEDs, but they are typically reserved for football stadiums, the sides of buildings, very large applications.

There are already displays like this out there using standard LEDs, but they are typically reserved for football stadiums, the sides of buildings, very large applications.
Indeed. You can buy them today if you want, even at usable (ie. sub 100") sizes. The problem is that they come with solidly $$$$$ pricetags.

If they could solve the issues with it, they could potentially make a display without any of the negative qualities of LCD and plasma. Great blacks, great whites, no dither, no mura, great uniformity, great lifespans, low power consumption, predictable gamma, lightning fast response rates, negligable flicker. I'd buy one.

The problem is, you can't make them affordably using technology available right now. The LEDs put out too much heat, so they would need to be spaced well apart, the distance between the LEDs would give the display a terrible aperture ratio, the LEDs would need to be big to put out enough light, which would compound both those problems. It would be hard to surface mount the LEDs and the driver circuity on huge circuit boards in an economical fashion. The displays would probably be fragile with these massive, low grade circuit boards in them.

It may well happen one day in the future that ILED displays are a commercial reality, but we're certainly not talking short or medium term territory here.


Instead of mounting millions of tiny LEDs on a big board maybe there are other methods.

They can deposit silicon on the back of glass panels now to make amorphous solar cells real cheap and TFTs. Maybe they could deposit the LED materials in the same way between the two electrode layers.

Instead of mounting millions of tiny LEDs on a big board maybe there are other methods.

They can deposit silicon on the back of glass panels now to make amorphous solar cells real cheap and TFTs. Maybe they could deposit the LED materials in the same way between the two electrode layers.
ie. OLED.

If they could solve the issues with it, they could potentially make a display without any of the negative qualities of LCD and plasma. Great blacks, great whites, no dither, no mura, great uniformity, great lifespans, low power consumption, predictable gamma, lightning fast response rates, negligable flicker. I'd buy one.

But OLEDs have those anyway (apart from lifespan and maybe mura/uniformity). Are there any other real (even if small) advantages over OLED? (and vice versa?)

The LEDs put out too much heat, so they would need to be spaced well apartIf OLEDs are less efficient, wouldn't they put out just as much heat? Or maybe you meant that that ILEDs are more sensitive to heat than OLED?

But OLEDs have those anyway (apart from lifespan and maybe mura/uniformity). Are there any other real (even if small) advantages over OLED? (and vice versa?)
Well, LEDs are LEDs, so it's only natural that they'd be similar. With OLED you trade off consistancy for mass-producibility.

If OLEDs are less efficient, wouldn't they put out just as much heat? Or maybe you meant that that ILEDs are more sensitive to heat than OLED?
You might be right on that. I'm not sure how OLEDs deal with the heat the produce. How much of a problem heat is will of course depend on how bright the display is.

Okay thanks. Do you think it's possible ILED could ever be as thin as OLED? I imagine ILEDs to be always be limited to those bulb containers they're in, but maybe that doesn't have to be the case.

Okay thanks. Do you think it's possible ILED could ever be as thin as OLED? I imagine ILEDs to be always be limited to those bulb containers they're in, but maybe that doesn't have to be the case.
The containers are just to protect the fragile diode. If you get a chance, have a look at a surface mount LED, they only have a very thin cover.

They can deposit silicon on the back of glass panels now to make amorphous solar cells real cheap and TFTs. Maybe they could deposit the LED materials in the same way between the two electrode layers.Silicon and Saphire based LEDs that are commonly used are made off of silicon/saphire wafers. The active junction that is the LED is tpically part of the base semiconductor itself and has been implanted with a material to give it the correct characteristics. The implant process is where this idea would have issues.

Implanters for semi apps are very large, very expensive tools and would not be very scaleable for larger substrates such as a G8 glass substrate. I am sure it could be done some other way and is probably being tried right now, but with my knowlegde, it would be a expensive way to make a TV.

iFire was the major player in the inorganic TV space. They even had a 34" working prototype. But in the end they ran out of time and money. Manufacturing costs were much lower than OLED but they could not resolve half-life issues (8,000 hours max).

A Canadian-Chinese company recently bought out iFire, but I doubt it will go anywhere now.

www.ifire.com