Changes

'''Cogni Trax''' is a company that has developed hard edge occlusion for optical see through displays, called Alpha Pix. It is based in Silicon Valley.

'''Cogni Trax''' is a company that has developed hard edge occlusion for optical see through displays. It is based in Silicon Valley.

Their technology uses at least one [[SLM]] and [[quarter wave plate]] to cancel out light.<ref name="d988">{{cite web | title=Method and System for Occlusion Capable Compact Displays | url=https://patentimages.storage.googleapis.com/c7/36/7a/0a27b9c7a2d8ff/US10983355.pdf | access-date=2024-05-23}}</ref>

The technology is called Alpha Pix. It uses at least one [[SLM]] and [[quarter wave plate]] to cancel out light.<ref name="d988">{{cite web | title=Method and System for Occlusion Capable Compact Displays | url=https://patentimages.storage.googleapis.com/c7/36/7a/0a27b9c7a2d8ff/US10983355.pdf | access-date=2024-05-23}}</ref>

==Alpha Pix==

==Alpha Pix==