Laser beam scanning (LBS) projectors are, they genuinely don't beam any light to a black pixel.
Unfortunately they don't really exist commercially anymore. I hope the technology develops and they come back... in a way, they are to constant light source projectors what OLED is to LCD. They seem like the obvious evolution.
Unfortunately they don't really exist commercially anymore. I hope the technology develops and they come back... in a way, they are to constant light source projectors what OLED is to LCD. They seem like the obvious evolution.