Quantum Dots are ‘Ready for Prime Time’ says Analysts, Yole Development


Yole Développement says revenues “will exceed phosphors by 2020” as adoption into LCD TVs rivals OLED quality.

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Quantum dots’ virtual adoption cycle, according to Yole Développement

Yole Développement (Yole), the Lyon, France-based market research and strategic

consulting company, has published its new LED down converters technology and market

report, entitled Phosphors & Quantum Dots 2015: LED Down Converters for Lighting & Displays.

It presents a detailed review of the industry, especially the impact of the development of

quantum dots on the display and conventional phosphors industry. Yole asks, are quantum dots

now a serious competitor to OLED-based technologies – and its conclusion is: quantum dots

are finally ready for prime time and will exceed traditional phosphor revenue by 2020 by

allowing LCD to compete with OLED in the race for the next generation of displays.”

After the lukewarm reception of 3D and 4K screens, Yole comments that the display

industry needs a “new and disruptive experience improvement” to bring consumers back

to the stores: “image quality perception increases significantly when color gamut and

dynamic contrast ratio are improved.” Yole also notes that “Leading movie studios,

content providers, distributors and display makers have together formed the UHD Alliance

to promote those features.”

Dr Eric Virey, Senior Analyst, LEDs at Yole, commented, “OLED was believed to be

the technology of choice for this next generation of displays. But production challenges

have delayed the availability of affordable OLED TVs. LCD TVs with LED backlights

based on quantum dot down-converters can deliver performance close to, or even

better than OLED in some respects, and at a lower cost.”

 

QD-LCD ‘could pull ahead’ of OLED display

Until OLEDs are ready, says Yole, “QD-LCD technology will have a unique window of

opportunity to try to close enough of the performance gap such that the majority of

consumers will not be able to perceive the difference between the two technologies

so price would become the driving factor in the purchasing decision.” Under this scenario,

the analyst believes that QD-LCD could establish itself as the dominant technology while

struggling OLEDs “would be cornered into the high end of the market.”

Yole acknowledges that OLED-based displays potentially offer more opportunities for

differentiation but the analyst notes, “OLED proponents need to invest massively and

still have to resolve manufacturing yield issues. For tier-2 LCD panel makers who

cannot invest in OLED, Quantum Dots offer an opportunity to boost LCD performance

without imposing additional CAPEX on their fabs.” At this year’s Consumer Electronics

show, as optics.org reported, no fewer than seven leading TV OEMs including

Samsung and LG demonstrated QD-LCD TVs.

 

With tunable and narrowband emissions, QDs offer design flexibility to developers

of new displays. But more is needed to enable massive adoption, including the d

evelopment of cadmium-free formulations. Cole cautions that “traditional phosphors

still have to say their last word”. If PFS could further improve in term of stability and decay

time and a narrow-band green composition was to emerge, traditional phosphors could

also be part of the battle against OLED, Yole concludes.

Yole’s analysis Phosphors & Quantum Dots 2015: LED Down-converters for Lighting & Displays

presents an overview of the quantum dot LED market for display and lighting applications

including quantum dot manufacturing, benefits and drawbacks, quantum dots LCD versus

OLED and detailed market forecast. For more information about this report and other

LED technology & market analysis from Yole, visit i-micronews in its LED Reports section.

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