Posted by Karl on
URL: https://www.es-forum.com/Recommended-computer-monitors-intro-my-light-sensitivity-tp4035348p4035349.html

Puff, I've looked for a lot of the same features and they are hard to find :-/

A company called Pixel Qi used to make backlight-free displays and Sharp allegedly still does, but it's hard to find either for sale.

High refresh rate displays are more common, and I think you can find something under $200.  (The forums and articles at blurbusters.com might help.).  I use an Epson PowerLite 475W 85 Hz projector that I paid $120 for a couple of years ago.  They show up for $100 or maybe a little less now.  Unfortunately they draw way too much power to run from batteries, and they use metal halide lamps that put out significant RFI up into the X band (detectable with a handheld radar receiver).  Fixing* that is a chore, but you can sit far away from it and use an infrared keyboard and mouse.

As far as lighting that's easier on the eyes, you could try powering your halogens with DC.  But they would drain batteries quickly, and rectifiers usually emit a lot of RFI when the diodes switch.

*You could kill a few birds with one stone by putting your computer and a projector in a metal box with just a small hole for the projector lens, and adding feedthrough filters to the hot, neutral and ground wires where they enter the box. Then you could either use infrared input devices, or PS/2 with feedthrough filters spliced in where the cable leaves the box.  (You can't add filtration to a USB cable without violating the standard, but it might work anyway.)

That might work for the rectifier, too.