"E-ink" technology refers to a type of display that mimics the appearance of printed paper, primarily used in e-readers like the Amazon Kindle. This technology utilizes electrophoretic displays, which consist of microcapsules filled with charged particles. E-ink screens are energy-efficient, requiring power only when changing content, leading to extended battery life. Additionally, they are easily readable in various lighting conditions, making them ideal for reading applications without the strain associated with traditional backlit displays.