Back before modern LED screens, there were unlit LCD screens. Without the backlight, they didn't emit any toxic blue light. I was wondering if you could find modern devices with LCD screens that would be easier on your eyes. Turns out, you can. I think this'll be my next investment moving forward. I have to make a decision on what I need first: phone, tablet, laptop, or computer monitor https://www.e-ink-info.com/devices