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For $1500 you can buy a 55" 4K OLED screen. https://www.amazon.com/LG-OLED55C9PUA-Alexa-Built-Ultra/dp/B07PTN79PG https://www.amazon.com/LG-OLED55C9PUA-Alexa-B

• _ph_ 6y ago
  That is why I am wondering how low the prices of a 31 inch e-ink screen could come down, if only produced in reasonably high volume.
• ericd 6y ago
  But that's not at all a good fit for what he's doing with this.