Apple Displays - Flat Panel Displays - LED Backlights

LED Backlights

With the introduction of the Macbook Air and later the Unibody MacBook family, Apple introduced their first desktop display to use both the brand new Mini DisplayPort connector, but also an LED backlit screen. Intended exclusively for use with the MacBook family, the 24" LED Cinema Display had built-in speakers, an integrated self-powered USB hub and iSight camera with microphone, and a special cable supplying MagSafe power to the laptop, with a USB and Mini DisplayPort connector. It supported 1920x1200 resolution and retailed for US$899.00. In 2010, display size was boosted to 27" and resolution was boosted to 2560x1440. In 2011 this display was rebadged as Apple Thunderbolt Display, and its connector was changed to Thunderbolt. While the non-Thunderbolt model can still be purchased for older Macs, the 27" is Apple's only external display size as of 2012.

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Other articles related to "led backlights, backlight":

Usage - LED Backlights - Flicker Due To Backlight Dimming
... LED backlights are often dimmed by applying pulse-width modulation to the supply current, switching the backlight off and on again like a fast strobe light ... object appears to have sharply-defined edges as it moves, the backlight is strobing on and off at a fairly low frequency ... the object appears blurry, the display either has a continuously-illuminated backlight or it is operating at a frequency higher than what the brain can perceive ...

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