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Old Dec 19, 2013, 09:17 AM   #1
MacRumors
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Apple Looks to Improve Displays with Research on Quantum Dot Technology




Apple has filed for a United States patent detailing a quantum dot-enhanced liquid crystal display with a dichroic filter that can provide a greater accuracy of colors over traditional displays, reports AppleInsider. Similar technology is currently being used by Amazon in the Kindle Fire HDX 7, which significantly outperforms that of the Retina iPad mini with regard to color gamut and accuracy.

The patent describes quantum dots as being similar in shape to traditional nanocrystals found in regular displays, but can also change sizes in order to emit light of different colors more effectively. For instance, bigger quantum dots can emit a longer wavelength light color such as red, while small quantum dots can emit shorter wavelength light should as blue light or violet light. This results in the quantum dots being able to cover a wider and more varied color spectrum compared to current LEDs, which can only emit light in a fixed spectrum.
Quote:
As one example, Quantum dots (QDs) are semiconductors in the form of nanocrystals that provide an alternative display. The electronic characteristics of the QDs are generally governed by the size and shape of the nanocrystals. Quantum dots of the same material, but with different sizes, can emit light of different colors when excited. More specifically, the emission wavelength of the QDs varies with a size and shape of the quantum dots. As one example, larger dots may emit longer wavelength light, such as red light while smaller QDs may emit shorter wavelength light, such as blue light or violet light.
Apple goes on to note that one of the issues with quantum dots is the toxic nature of their contents, going on to suggest that cadmium-free quantum dots or heavy metal-free quantum dots could be used in order to alleviate the problem. The patent also suggests that there "remains a need" for designing the quantum-dot enhanced display to achieve more breakthroughs before it becomes ready for general use, including reduced toxicity, improved performance, and lower cost in fabrication.

Meanwhile, the dichroic filter that would be deployed on the quantum dot display would help reduce the density and toxic content of the quantum dots, and would also improve color and luminance levels, resulting in a more vibrant and accurate display. The filter itself would help in transmitting red light and a green light while reflecting most of a blue light, so that white light can be produced and ultimately benefit color accuracy as a whole.

It is not known exactly if or when Apple plans to integrate quantum dot enhanced displays in its products, but the company would have incentive to do so given criticisms of the Retina iPad mini display compared to Google's and Amazon's 7-inch tablets. Beyond mobile devices, quantum dot displays may also make their way to notebook computers, televisions and other consumer electronics over time.

Article Link: Apple Looks to Improve Displays with Research on Quantum Dot Technology
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Old Dec 19, 2013, 09:19 AM   #2
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Apple patents something that Amazon is essentially already using.

It's time for a patent law update.
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Old Dec 19, 2013, 09:31 AM   #3
Woyzeck
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I'd like to see Apple to improve their displays with USB 3, more input options and a non-glossy screen.
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Old Dec 19, 2013, 10:03 AM   #4
cmChimera
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Quote:
Originally Posted by osx11 View Post
Apple patents something that Amazon is essentially already using.

It's time for a patent law update.
Armchair lawyer can't read.

It's time for an education system update.

See how that works?
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Old Dec 19, 2013, 10:10 AM   #5
NMBob
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Quote:
Originally Posted by Woyzeck View Post
I'd like to see Apple to improve their displays with USB 3, more input options and a non-glossy screen.
Yeah, and I wonder if quantum dots can keep the "Size" column in Finder from resizing itself all the time in Mavericks so file sizes come out like 14...GB?
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Old Dec 19, 2013, 10:15 AM   #6
newagemac
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Quote:
Originally Posted by osx11 View Post
Apple patents something that Amazon is essentially already using.

It's time for a patent law update.
Your reply doesn't make any sense at all. This is EXACTLY what the patent system is set up for. Apple came up with a different way of accomplishing the same thing and applied for a patent for their particular method. That's how the patent system is supposed to work and that's how progress happens.

I don't think you understand how the patent system works. Every time someone posts something like that, they are doing nothing but making themselves look ignorant.
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Old Dec 19, 2013, 10:17 AM   #7
mak972
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It's a lot look alike Nanosys technology.

Last edited by mak972; Dec 19, 2013 at 10:21 AM. Reason: fix typo
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Old Dec 19, 2013, 10:19 AM   #8
fredfnord
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Quote:
Originally Posted by osx11 View Post
Apple patents something that Amazon is essentially already using.

It's time for a patent law update.
While you're at it, why not complain about the new patents for the new antibiotic class that is in trials right now? After all, penicillin is also something that currently exists.

It's time for people who have literally no idea whatsoever about whether a given patent has any merit to either go do the actual research in order that they at least have an informed layman's point of view, or to just shut up. Otherwise we are firmly into the territory where any speculation can be treated as fact as long as it is stated cynically enough. In which case my position becomes 'you should stop stressing out about patent law and start worrying about your finals, or you might be forced to repeat tenth grade. Again.'
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Old Dec 19, 2013, 10:55 AM   #9
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Quote:
Originally Posted by osx11 View Post
apple patents something that amazon is essentially already using.

It's time for a patent law update.
tl;dr?

Quote:
Originally Posted by macrumors View Post
…quantum dot-enhanced liquid crystal display with a dichroic filter

meanwhile, the dichroic filter that would be deployed on the quantum dot display would help reduce the density and toxic content of the quantum dots, and would also improve color and luminance levels, resulting in a more vibrant and accurate display.
They made a better one.
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Old Dec 19, 2013, 10:57 AM   #10
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So, if I read this right, Amazon beat Apple to the punch on a superior technology, but did it by making their devices toxic. I think I still prefer Apple's approach. Beyond that, I bought my wife a Kindle Fire a few years ago, and while she likes it well enough, she hates the user interface.
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Old Dec 19, 2013, 11:02 AM   #11
OriginalMacRat
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Originally Posted by MacRumors View Post
Apple has filed for a United States patent detailing a quantum dot-enhanced liquid crystal display with a dichroic filter
Is that anything like Dippin' Dots?

http://www.dippindots.com/
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Old Dec 19, 2013, 11:10 AM   #12
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I hope now the iPhone 6 roundup is updated. With the presence of the tech's possibility.
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Old Dec 19, 2013, 11:23 AM   #13
JaySoul
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This thread is making me eat emotionally.
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Old Dec 19, 2013, 11:24 AM   #14
mak972
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Quote:
Originally Posted by mak972 View Post
It's a lot look alike Nanosys technology.
Nanosys is an advanced materials architect. We design and build new materials at the molecular level to improve LCD color performance and battery storage capacity. Our solutions enable stand-out electronic products using known, viable manufacturing processes. Our Quantum Dot Enhancement Film, or QDEF, creates a visual experience that comes alive for the viewer, with deep blues, vivid reds and true greens.

Article about nano sys technology in Amazon kindle
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Old Dec 19, 2013, 11:52 AM   #15
osx11
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Originally Posted by newagemac View Post
Your reply doesn't make any sense at all. This is EXACTLY what the patent system is set up for. Apple came up with a different way of accomplishing the same thing and applied for a patent for their particular method. That's how the patent system is supposed to work and that's how progress happens.

I don't think you understand how the patent system works. Every time someone posts something like that, they are doing nothing but making themselves look ignorant.
Well if you know so much about this then tell us the difference between Amazon's technology and this patent!
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Old Dec 19, 2013, 12:18 PM   #16
praetorian909
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So I guess this is the same?
http://reviews.cnet.com/flat-panel-t...-35561946.html
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Old Dec 19, 2013, 12:28 PM   #17
knucklehead
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Quote:
Originally Posted by osx11 View Post
Well if you know so much about this then tell us the difference between Amazon's technology and this patent!
Your first post:

Quote:
Originally Posted by osx11
Apple patents something that Amazon is essentially already using.

First paragraph in OP says:

Apple has filed for a United States patent ... Similar technology is currently being used by Amazon


Filing for a patent is different than having it patented. The patent department determines if it will be patented based on factors such as how different it is from the technology Amazon is currently using ... and I assume is also patented.
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Old Dec 19, 2013, 12:48 PM   #18
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Originally Posted by Woyzeck View Post
I'd like to see Apple to improve their displays with USB 3, more input options and a non-glossy screen.
Only thing you mentioned that I can see Apple doing is USB 3. Apple is in love with glossy screens and their Thunderbolt/mini-DisplayPort connector.
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Old Dec 19, 2013, 01:56 PM   #19
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Removed

Last edited by VanillaCracker; Jan 5, 2014 at 01:22 PM.
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Old Dec 20, 2013, 03:05 AM   #20
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Quote:
Originally Posted by osx11 View Post
Well if you know so much about this then tell us the difference between Amazon's technology and this patent!
Ok, I understand now. You read the first two sentences and then made your post without reading the rest. If you actually read the article, your question will get answered.

I really really dislike ill-informed people touting their ridiculous ideas and opinions as fact. I'll bet you saw the word "quantum" and decided you wouldn't fully understand anyway.
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