a television manufacturer makes the following advertising claim: "our oled screens allow the user to enjoy over 1 million vivid colours in true-to-life vision" comment on the validity of the claim by the manufacturer.
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Answers
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Explanation:
The colour gamut and brightness troubles plaguing fashionable LCDs and OLEDs stem from a loss of green colour-changing phosphors that emit photons with a slender spectrum, specifically withinside the green.
The narrower the emission spectrum, the purer is the colour (and the broader is the colour gamut of the display); the greater green the converter, the brighter is the screen.
With this idea in mind, builders inclusive of Nanosys and Samsung delivered quantum dot enhancement films (QDEFs) as an augmenting aspect in the area of interest segments of LCDs.
The first technology of QDEFs have been primarily based totally on green-emitting cadmium selenide and indium phosphide quantum dots, with emission widths of approximately 25-30 nm and 35-forty nm, respectively. As a result, QD monitors had a BT2020 colour gamut insurance forty-50% large than LCDs — including tens of thousands and thousands of recent colours.