TCL has actually come under analysis this month after screening that declared to take a look at 3 TCL TVs marketed as quantum dot TVs supposedly revealed no trace of quantum dots.

Quantum dots are semiconductor particles that are a number of nanometers big and give off various color lights when struck with light of a specific frequency. The color of the light released by the quantum dot depends upon the wavelength, which is affected by the quantum dot’s size. Some exceptional TVs (and computer system displays) utilize quantum dots so they can show a broader variety of colors.

Quantum dots have actually ended up being a big selling point for LCD-LED, Mini LED, and QD-OLED TVs, and quantum dot TVs command greater costs. A television producer pressing off basic TVs as quantum dot TVs would produce a scandal considerable sufficient to break customer rely on China’s most significant television producer and might likewise lead to legal implications.

With TCL sharing contrasting screening outcomes, and basic uncertainty around TCL being able to pull off such an anti-consumer rip-off in a method that would benefit it economically, this case of doubtful vibrant TVs isn’t so black and white. Ars Technica looked for more clearness on the circumstance.

Tests not able to spot quantum dots in TCL TVs

Previously this month, South Korean IT news publication ETNews released a report on screening that relatively revealed 3 TCL quantum dot TVs, marketed as QD TVs, as not having quantum dots present.

Hansol Chemical, a Seoul-headquartered chemicals business, commissioned the screening. SGS, a Geneva-headquartered screening and accreditation business, and Intertek, a London-headquartered screening and accreditation business, carried out the tests.

The designs taken a look at were TCL’s C755, stated to be a quantum dot Mini LED TELEVISION, the C655, a supposed quantum dot LED (QLED) TELEVISION, and the C655 Pro, another QLED. None of those designs are offered in the United States, however TCL offers different Mini LED and LED TVs in the United States that declare to utilize quantum dots.

According to a Google translation, ETNews reported: “According to market sources on the 5th, the outcomes of tests commissioned by Hansol Chemical to worldwide screening and accreditation firms SGS and Intertek revealed that indium … and cadmium … were not identified in 3 TCL QD television designs. Indium and cadmium are vital products that can not be left out in QD application.”

The screening was expected to spot cadmium if present at a minimum concentration of 0.5 mg per 1 kg, while indium was evaluated at a minimum detection requirement of 2 mg/kg or 5 mg/kg, depending upon the screening laboratory.

These are the arise from Intertek and SGS’s screening, as reported by screen tech publication Display Daily:

Checking LabTCL ModelDeterminedIndiumCadmiumIndium Minimum Detection Standard (mg/kg)Cadmium Minimum Detection Standard (mg/kg)IntertekC755SheetUnnoticedUnnoticed2 mg/kg0.5 mg/kgIntertekC655Diffusion PlateUndiscoveredUnnoticed2 mg/kg0.5 mg/kgSGSC655 ProSheetUnnoticedUndiscovered5 mg/kg0.5 mg/kgSGSC655 ProDiffusion PlateUnnoticedUnnoticed5 mg/kg0.5 mg/kgSGSC655 ProSheetUnnoticedUndiscovered5 mg/kg0.5 mg/kg