A report from a maker of quantum dots suggests that some of TCL's QLED TVs don't use quantum dots.
A Korean quantum dot producer that supplies components for Samsung’s QLED television panels has called into question whether TCL ’s QLED panels actually use quantum dots . QLED stands for quantum dot LED, and TVs that bear this label are assumed to use a layer of quantum dots on top of their LED backlight, thus producing more accurate, brighter colors.
Digital Trends reached out to TCL for its response to the analysis’ findings; company spokespeople said they couldn’t comment beyond the response provided to etnews.com.“TCL was quoted as saying that it is ‘manufacturing TV sets with QD films supplied by three companies’ and ‘the amount of quantum dots in the film may vary depending on the supplier, but it is certain that cadmium is included.’ ”
The TV supply chain is complex, and a company like TCL may use several vendors to acquire the same parts for one or more models. Quantum dots are seldom supplied directly from the manufacturer. Instead, the dots pass through a third-party supplier, which embeds them into a film suitable for use in a QLED TV. While there are only a few quantum dot makers worldwide, there are many producers of quantum dot films.
However, there’s a secondary issue at play that explains why a quantum dot producer like Hansol might want to throw TCL under the bus with this report.
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