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Glider – open-source eInk monitor with an emphasis on low latency (github.com)

756 points by mistercheph · 822 days ago · 148 comments on HN

Article summary

The Glider is an open-source eInk monitor with a focus on low latency, designed to work with electrophoretic display panels. The project includes a hardware design and gateware, with the goal of providing a low-latency and high-refresh-rate EPD monitor. The documentation provides an introduction to EPD technology and its advantages and disadvantages. The project aims to support various screen types and provide a flexible and customizable solution.

Main themes

  • eInk technology
  • Low latency displays
  • Open-source hardware
  • Electrophoretic displays
  • Display technology innovation

What commenters say

  • The current state of eInk technology is held back by its high cost and limited market, rather than patents or licensing issues.
  • Some commenters believe that eInk displays can achieve higher refresh rates, such as 24fps, with the help of special chips or new technologies.
  • Others argue that the laws of physics limit the refresh rate of eInk displays, and current claims of high refresh rates are exaggerated or based on tricks rather than actual performance.
  • The development of eInk technology is hindered by the lack of economy of scale compared to LCDs, which are used in a much wider range of applications.
  • Some commenters think that Amazon's Kindle e-readers prioritize battery life over responsiveness, which limits their performance.
  • There are differing opinions on the potential for eInk displays to replace LCDs in various applications, with some seeing significant potential and others being more skeptical.
  • The cost of eInk displays is a major factor limiting their adoption, and some commenters believe that Amazon could potentially buy E-Ink Corp. to secure a stable supply of screens.
  • The discussion highlights the trade-offs between different display technologies, including responsiveness, image quality, and power consumption.