These are oncoming, so unless you drive with welder's goggles, all you can do is glance away from the road in pain. I know that some hi/lo-beams now use LCDs to

These are oncoming, so unless you drive with welder's goggles, all you can do is glance away from the road in pain. I know that some hi/lo-beams now use LCDs to shape the beam, what I want is a whole windshield covered with them to selectively blot out just the searing headlights.