Wow. That's incredible - I'm amazed that they've got the refresh rate so low. | Hacker News

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		_9jgl on July 31, 2016 \| parent \| context \| favorite \| on: Lumen: Auto brightness based on screen contents Wow. That's incredible - I'm amazed that they've got the refresh rate so low.

jrockway on July 31, 2016 [–]

I'm guessing they're just using the standard VNC / RDP algorithm that only sends (ands therefore refreshes) parts of the screen that changed.

It's at best a 150ppi (1600x1200, 2000 pixels along the diagonal over 13") screen, lower resolution than the original Kindle.

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