back to top

University of Cambridge Develops Breakthrough Solution to OLED Burn-In Concerns

If you possess one of our selections for the finest OLED TV, then burn-in might be a persistent worry lingering in the depths of your TV-enjoying thoughts; however, there could soon emerge a solution to this issue.

This is because the University of Cambridge (via research published in Nature) has developed ultra narrowband blue emitters that circumvent the undesirable energy transfer typical of current blue OLED output, which can result in burn-in.

Put, blue OLEDs, integral to RGB displays, pose challenges to the longevity of OLED TVs due to their composition and their status as the least stable of subpixels. Energy transfer from a sensitizer component to an emitter module can impact the effectiveness and stability of a blue OLED, both contributing to the aging of the OLED and susceptibility to burn-in.

Nevertheless, by utilizing diodes emitting blue light within a narrowband spectrum, with an emissive core shielded with alkylene straps, blue OLEDs can be manufactured to suppress undesirable energy transfer, thus enhancing efficiency and stability. This technique eliminates the necessity for a sensitizer component with a high energy gap matrix (employed to limit energy transfer from the sensitizer to the emitter module).

In essence, this advancement could result in extended lifespan OLED panels, greater burn-in resistance, and simplified fabrication. Additionally, mitigating unwanted energy transfer could yield OLED displays consuming less energy, resulting in more energy-efficient TVs, phones, and tablets.

Admittedly, these new blue OLEDs are still in the research phase and would require integration into future OLED panel production. Nevertheless, the substantial potential exists to introduce burn-in-resistant OLED TVs with prolonged lifespans to the market.

For what it’s valued, I utilize both an LG C1 OLED TV and the Alienware AW3423DWF monitor with a QD-OLED panel, both of which have yet to exhibit any signs of burn-in. However, these possess intelligent features to aid in pixel refreshing and burn-in prevention, which less advanced displays may lack.

More like this