Samsung Display announced a new QD-OLED brand, for its latest five-layer fourth-gen QD-OLED panel technology, called "QD-OLED Penta Tandem". The Penta part refers to the five layer stacked OLED architecture. All QD-OLED panels have always used a stacked architecture, but as tandem OLEDs become more popular, Samsung adds the tandem word to its QD-OLED panel branding.
Samsung says that the new five-layer design increases the energy efficiency, brightness and lifetime of its QD-OLED panels. This enables higher-resolution monitors, and Samsung has managed to produce a 27" 4K (160 PPI) panel with this new technology (which it says is the world's first OLED panel to achieve that), and also a 31.5" 4K panel, certified DisplayHDR True Black 500.
SDC says that compared to last year’s four-layer QD-OLED, Penta Tandem improves luminous efficiency by 1.3 times and extends lifespan by 2 times. As a result, products featuring QD-OLED Penta Tandem technology achieve industry-leading peak brightness of 4,500 nits for TVs and 1,300 nits for monitors, based on 3% OPR (On Pixel Ratio, the ratio of active pixels among all pixels composing the screen).
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