CFLs can take minutes to
achieve full brightness compared with LEDs that brighten instantly, but in tests, one LED was dim and emitted a ghastly, bluish light color, and others couldn't cast light in all directions.
Not exact matches
As tested by Engadget, both handsets
achieve around 9 hours of battery life when looping a video at 65 %
brightness, which translates to a
full day of moderate use to the average consumer.
As a result, TMD and Idemitsu succeeded in
achieving the world's highest level of performance for an organic EL display screen of 2.2 - inch QVGA (240x320) format suitable for mobile equipment applications, with power consumption of 100 mW (based on typical movie screen images, defined by 30 %
brightness of a
full - white screen) and luminosity half - life of 60K hours (based on a
full - white screen at 200 cd / m2).