"Full Color" E-Ink displays
Rayman
Posts: 15,607
Just noticed these things on Seeed:
https://www.seeedstudio.com/7-3-Seven-Color-ePaper-Display-with-800x480-Pixels-p-5787.html
Was excited for a minute, but calmed down a bit when saw "full color" means 7 colors.
Still, that is nice.
32 second full screen refresh isn't that great for "dynamic" displays, but if you only need to update a small portion of the screen, could be OK.
Definitely need to get one of these...
Comments
Wait, maybe this thing is old and new actual "Full Color" display is just coming out now...
https://www.globenewswire.com/news-release/2025/04/07/3056907/0/en/E-Ink-Marquee-Highlights-Technological-Breakthrough-for-Electrophoretic-Displays-at-Touch-Taiwan-2025.html#
Need to look around more often...
Still 7-color one is at Digikey now. Still want one...
Ok, might have this figured out...
Seems the 7 color one can show more colors but isn't very vibrant.
The new one is 6 colors, but looks better:
Just ordered some of these:
https://buyepaper.com/products/gdep073e01
and the little driver board for them..
Peeked at the code for them and see now that each pixel has to be one of the six colors. There is no grayscale trickery.
So, the images have to be dithered. They don't look dithered in the examples, seems you have to look close to see it...
Tested 6 color dithering with Photoshop. Have to manage expectations... Some images aren't going to work so well.
This one might be OK from a distance.