Originally Posted by *UFO*
Sony's version of QD's is actually not QD's at all. It is simply a blue-led (short wavelength) with a yellow phosphor coating. This does not come near what cadmium based QD's can do, but very cost effective versus using actual QD's.
interesting. i havnt seen any firm confirmation either way, with sony either specifically stating in promotional material they still used QD's (their own version), or had a completely different technology that replaced it. sony now is using the "triluminous" tag,for many different backlighting technologies, which they have used since their first RGB led backlighting 6 or 7 yrs ago. the sony store i bought my 900a from told me some months ago that for the 2014 tv range sony developed their own QD technology and stopped using 3e party QD's from QDVision (but obviously the rep might be wrong, either out of ignorance or being deliberately misleading)
have you seen any reviews or technical analyses articles that specifically confirmed their high end 2014 or 2015 models dont use QD's ?
(might be to early for the 2015 range since no in depth reviews from the better websites are available yet).
it would be odd if sony didnt have some sort of QD's for their own high end larger screen lcd tv's to provide the increaed color gamut needed for the newer rec.2020 color space. Samsung is using it in 2015 for their upper tier and making a big song and dance about it, so are 2 high end models from panasonic (interestingly one of those still using an IPS lcd screen, which is a first for QD's afaik
), and panasonic is also using QD's for a few select high end models in 2015 (they stopped all plasma tv consumer products this year and deliberately included some QD models to maintain competitiveness)
when i prodded a sony rep at a different store about samsungs 2015 QD models, he replied "sony has been using that for a number of years already" (which is true, but his implied meaning was that sony was still using it). similar "dual meaning" statements from sony in 2015 are also in promotional print material, as a way to try and muffle the samsung big promotion this year of QD's i presume.
blue led backlighting for lcd tv's is one of the oldest and cheapest replacement methods since CCFL was abandoned a number of yrs ago by the better brands for their flagship devices, so having sony put a dollop of phospher on a legacy blue led and try and outperform QD or OLED in picture/video quality would be surprising. its deficiencies should show up in objective instrumental measurements (color gamut, color spectrum etc)
and here is a example of reviewers stating sony is still using QD's (but again it might be them misquoting a statement from sony that was intended to mislead)
2. Picture quality focus – including Sony's Triluminos picture processing
What is it? Sony is focussing on picture quality as a key selling point for its 2014 TVs. This might sound obvious, but many of the other brands at CES seemed to be using design or 'smart' features as their main marketing attractions.
Heading up the picture attractions is Triluminos – Sony’s name for the quantum dot technology it introduced to such great effect last year for delivering a noticeably richer, more nuanced colour performance. Triluminos is found on all of Sony’s 4K TVs (more on these in a moment) as well as the W9 HD series.
and similarly for some of the upcoming 2015 models Sony is still promoting the same quantum dot technical benefit:
'..........'.......To challenge OLED on color, the X910C uses the latest generation of Sony's quantum dot/nanocrystal light-filtering technology, which the company calls Triluminos. Sony promises that its brand-new image processor, the X1, will display all those colors more accurately......"