Another advantage of our design is that PixCell has a high contrast ratio due to decreased light trespass. LEDs are made with phosphor, which—and this is an overly simplified statement—takes blue light and turns it white.
When we manufacture PixCell’s array of LEDs, we place them very close together. And phosphor is extremely excitable; it takes very little to stimulate it.
If an LED pixel is turned on, its light energy can trespass into the neighboring pixel’s phosphor, making the neighboring LED glow slightly. This glow has a detrimental effect on the LED’s contrast ratio because the cut-off point for the lighted area should be very distinct.
This is where the wafer-level manufacturing comes in; it’s the same type of process used for highly complex, tiny semiconductors, which allows us to manage spacing with repeatable consistency.
Where can you get an ADB system?
Right now, you might be wondering, where do I get these amazing headlights? I’ve got two pieces of bad news: first, ADBs aren’t an after-market option, so they will only be available in newer passenger vehicles. Second, ADB systems are not yet legal in the United States. While they are legal in Canada, Europe and other parts of the world, there have been regulatory obstacles in approving ADB systems in the U.S.
The reason is a bit complex—it boils down to automotive regulations that have not been updated in decades. Fortunately, there seems to be light at the end of the tunnel
. The Build Back Better legislation stipulates that a final decision on ADB technology be made within the next two years.
PixCell can be used installed in cars built for the American market because PixCell is designed with two different modes. There’s matrix mode
(that’s the adaptive solution we’ve been describing) and static mode
, which is standard high/low beam functionality.
Technically speaking, car manufacturers can purchase the PixCell package and turn off the matrix mode for cars sold in the United States. Once ADB systems become legal in the United States, OEMs can enable matrix mode
features through dealer programming, or in certain cases, using over-the-air software and firmware updates.
It’s my sincere hope that the federal government legalizes ADB systems quickly. Consumer Reports
estimates that, when driving at 60 mph, drivers need about 308 feet to stop for an obstacle. High beams provide an additional 250 feet of road illumination, yet up to 64% of drivers don’t use their high beams while driving at night, and roughly 30% of driving accidents happen at night
(even though fewer drivers are on the road during nighttime hours).
This isn’t about promoting Samsung technology (although you have to admit, our technology is really cool), it’s about saving lives. Adaptive driving beams give us the opportunity to improve nighttime driving visibility and drastically reduce traffic accidents; I think that a cause we can all get behind.
Also, the whole “high/low beam” switching means that you go from having your high beams on, which gives you really god visibility, until they turn off—then you’re back to your standard beams, and your eyes have to adjust, which means a couple of seconds during which your nighttime visibility is rather poor until your pupils can dilate.
Was that a pun? Yes. Yes, it was.
Another pun? I believe so.