If you read the actual patent, the references to CRTs are in the parts where Apple describes existing Head/Helmet-Mounted Displays, of which some do use CRT dis

If you read the actual patent, the references to CRTs are in the parts where Apple describes existing Head/Helmet-Mounted Displays, of which some do use CRT displays. All of Apple's drawings show LEDs or OLEDs being used. And as I said before, I see nothing in this patent that applies to Google Glass.