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Old 07-29-2020, 11:42 AM   #38
pdurrant
The Grand Mouse 高貴的老鼠
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Posts: 71,531
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Join Date: Jul 2007
Location: Norfolk, England
Device: Kindle Voyage
Quote:
Originally Posted by jgneff View Post
Here's my guess: it's using a pure black-and-white 3 × 3 pixel grid at 100 pixels per inch on a 300-pixel-per-inch display, along with a 3-way color filter on top. That would be 2^9 + 2^3 = 2^12 = 4096 colors. The pure black-and-white pixels let the device use its A2 animation mode, which explains why the refresh rate is fast enough even for color animation.
I think we must give you credit for being correct. And Quoth was almost right with the vertical colours. Although the actual pattern is


R B G R B G
R B G R B G
R B G R B G
G R B G R B
G R B G R B
G R B G R B
B G R B G R
B G R B G R
B G R B G R
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