A Korean quantum dot manufacturer that cater components for Samsung’sQLED televisionpanels has called into question whether TCL ’s QLED panels actually use quantum dots . QLEDstands for quantum dot LED , and TVs that bear this label are assumed to employ a layer of quantum dots ( which you ’ll see here as QD ) on top of their LED backlight , thus get more precise , brighter colors .
The depth psychology , which was first advertise on September 5 onetnews.com , conclude that TCL ’s C755 , C655 , and C655 Pro QLED model do not possess quantum back breaker .
The analytic thinking was commissioned by quantum Lucy in the sky with diamonds producer Hansol Chemical and lead by SGS and Intertek , two autonomous examination and certificate agencies . The written report search for signs of atomic number 49 and Cd . Since no quantum dot producers can make these nanoscale particles without indium and cadmium , expert view their absence seizure inside a TV ’s display test copy that the television does n’t check quantum dots .
Digital Trends make out to TCL for its reaction to the analysis ’ finding ; company spokespeople tell they could n’t point out beyond the answer provide to etnews.com .
“ TCL was quoted as suppose that it is ‘ construct TV sets with QD films supplied by three companies ’ and ‘ the amount of quantum dots ( QD ) in the plastic film may vary depend on the provider , but it is sure that cadmium is include . ’ ”
To back its claim , TCL sent etnews.coma copy of a chemical analysiscommissioned by one of its QD film suppliers , Guangdong Region Advanced Materials . The account , which was also created by SGS , appears to show the comportment of cadmium . It also do a spectrograph on the QD cinema used in the three tv set , which it claim confirms the front of quantum back breaker .
TCL questioned the validness of the Hansol report , claiming that the method acting and truth were n’t sufficient to detect the exact content of Cd . However , TCL ’s evidence arrive from an examination of its QD film supplies , while the Hansol paper was created by rupture down actual TCL TVs .
The goggle box supply chain is complex , and a company like TCL ( China ’s largest video manufacturer ) may expend several vender to larn the same parts for one or more models . Quantum dots are seldom supplied instantly from the manufacturer . or else , the window pane pass through a third - party supplier , which embeds them into a movie suitable for utilization in a QLED TV . While there are only a few quantum window pane makers worldwide , there are many producers of quantum Elvis films .
It ’s totally potential that TCL ended up using quantum dot film that was faulty . distinctly , this does n’t shrive TCL of the need to perform inspection and lineament self-confidence on its own products , but it may suggest that this was n’t an intentional effort to deceive TCL ’s customers .
Nonetheless , the position is cause for business .
While most goggle box buyers likely do n’t understand the involution of why quantum loony toons help TVs attain better picture quality , they ’ve been told repeatedly by manufacturer and media that QLED television are a premium product with premium delineation quality .
It ’s sensible to assume that if a troupe says its video is a QLED TV , it benefits from the use of quantum dots , even if those benefits may not be obtrusive to the buyer .
However , there ’s a secondary issue at frolic that explicate why a quantum dot producer like Hansol ( which , as a admonisher , does n’t betray quantum dit to TCL ) might require to throw TCL under the motorbus with this report .
If buyers feel that their Modern QLED TV does n’t meet their expectation for video quality , they could decide that quantum dot technology has been overhyped and does n’t live up to its promise . This could lead to a drop curtain in demand for tv that use quantum dots , which would negatively impact all quantum loony toons Maker — including Hansol .
So if the full term “ QLED ” is no longer a warrant that a television contains quantum back breaker , where does this leave behind TV purchaser ? agree to diligence source we spoke to on condition of anonymity , some television manufacturer are ponder the creation of a “ QLED Alliance . ” Such an entity would presumably work to institute a verification process with a QLED logotype mark for QLED television set that would give buyers a grade of foregone conclusion that ’s currently missing , similar to the 8 K Association’scertificationprogram .
Manufacturers would be under no indebtedness to enter . However , it ’s been fascinating to see the personal audio domain mass meeting around the Japan Audio Society’sHi - Res Audiocertification program . The Hi - Res Audio logotype is n’t a warranty of sound caliber , but it does guarantee that a product meets the minimum necessary to reproduce the extra level of resolution present in hi - res sound recording subject matter .
In the meanwhile , our advice for emptor is the same as it has always been . Do your inquiry . Readprofessional TV reviewson site like Digital Trends or observe relevant videos onYouTube . You do n’t need to perform a chemic psychoanalysis to know if a QLED television uses quantum Transportation . With professional - grade measurement tools , idiot box experts can evaluate criterion like color gamut and color accuracy . These tests will cursorily reveal weaknesses in picture quality that should n’t be present on a on-key QLED tv set .
