Samsung Display demos long rollable and a health-sensing OLED

The Rollable Flex is an interesting new flexible screen from Samsung Display that can be unrolled from just 49mm to 254.4mm, over five times its length. The display is being shown off at the annual Display Week trade show in Los Angeles alongside another Samsung panel that the company says offers fingerprint and blood pressure sensing in the OLED panel without the need for a separate module.

Aside from its maximum and minimum lengths, details…