UBI Research reports that OLED makers are aiming to adopt color filters instead of polarizers in foldable OLED displays. The polarizer help prevent internal reflections by external light, but they lower the brightness and limit the flexibility of the panel.
Using color filters instead of the polarizer may enable brighter panels and also thinner ones which are more flexible. BOE has already demonstrated such a panel back in 2017 (scheme shown above) - and they said it is 23% brighter than a polarizer OLED, and it is also 110 um thinner. Samsung Display is also developing similar technology.
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Posted: Jul 12,2020 by Ron Mertens
