Bionic Contact Lens May Lead to Overlay Displays 213
pfman writes "A University of Washington researcher has developed a
contact lens including circuitry and a matrix of LEDs. Although not yet a working prototype, this may be a foundation for terminator/robocop style overlay displays in which computer graphics could be superimposed on your normal vision. 'Building the lenses was a challenge because materials that are safe for use in the body, such as the flexible organic materials used in contact lenses, are delicate. Manufacturing electrical circuits, however, involves inorganic materials, scorching temperatures and toxic chemicals. Researchers built the circuits from layers of metal only a few nanometers thick, about one thousandth the width of a human hair, and constructed light-emitting diodes one third of a millimeter across.'" Kotaku notes that this has some obvious gaming implications.
Do the Math (Score:4, Interesting)
Re:Um, what? (Score:3, Interesting)
Re:Do the Math (Score:2, Interesting)
Go ahead, try it! You simply cannot focus that close to your eye.
yuck! (Score:4, Interesting)
While I have no expertise in the field, I've always assumed that we'd first see this with glasses. The classic HUD on aircraft is an image projected onto glass in the pilot's line of sight. I figured we'd see this when we either had a) some sort of transparent material with a tiny lcd grid so that wireframe graphics could be overlaid on the real world objects or b) VR goggles scaled down to the size of comfortable glasses with the world projected inside with the overlays on top.
The one other variant I could think of for a projector technology would be glasses with a tiny low-power laser tracking the retina and beaming photons into it.
Thinking about VR, though, it does make you wonder about the interrogation potential for completely controlling someone's environment. If you thought the Ministry was scary in 1984, just imagine the interrogator controlling your entire reality. There was actually a surprisingly good TNG episode where Riker was put through VR interrogation so that he would reveal something important. Each of those constructed realities seemed entirely convincing at first but as he started to find flaws, the reality would shatter and be replaced by something new. Scary.
Re:Can't it be just on sunglasses? (Score:3, Interesting)
Re:Two Questions: (Score:3, Interesting)
Yes, and judging from the picture: multiple wires. But why, really? Wouldn't a single wire be enough? Place a contact pad elsewhere on the body, or use a conductive housing for the device connected to that single wire, and have it touch the body directly. That way you'd have the wire, and use the body/eyeball as return path for an electric current. Then superimpose a high frequency signal for data transmission.
Other options:- Short-wave electromagnetic waves (a la RFID)
- Some sort of tranparent (non toxic!) materials layered in between to form a low-power battery
- Shine infrared on the lens, use resulting temperature difference between outside and eye-side for thermo-electric power supply?
Just fantasizing offcourse...Re:You can't focus on something that close (Score:5, Interesting)
Re:Um, what? (Score:4, Interesting)
Re:You can't focus on something that close (Score:1, Interesting)
Re:Um, what? (Score:2, Interesting)
Issues (Score:3, Interesting)
But maybe not. All it really has to do is put incredibly small pixels there to colour (or obscure) the light from a given point. As long as pixels don't overlap too much (when out of focus), it could work.
I will be interesting to see how this develops further.