I don't know that the energy band gap is as important, though I'd imagine the narrower the better. They attempt to maximize the size of their depletion region. Photodiodes (used for PV arrays) are similar, but optimized for a completely different goal. This causes the semiconductor to shed excess electrons as visible light energy. In short, LEDs are semi conductors optimized to have a very specific direct energy band gap which produces photons in the visible light spectrum. US-based Rohinni, established in 2013, focuses on miniLED and microLED technologies for lighting and displays. Company Rohinni have created the thinnest sheet of light called lightpaper made by mixing ink and tiny LED light bulbs together and printing them with a. That is, that good photovoltaic sources would emit heaps of light when a current was applied. So instead, I'll offer some (probably fallacious, but likely still correct in its conclusion) logical deduction - If this was likely to be a good photovoltaic source, the inverse would also likely be true. This layer is then sealed between two additional layers. I just wrote a long diatribe attempting to explain why using my very limited knowledge of semiconductor physics, but realized I couldn't do so without making some substantial guesses. The paper-thin Lightpaper is made by mixing ink and tiny LEDs together and then printing the mixture out on a conductive layer.
Lightpaper rohinni how to#
Rohinni is still working out how to market this, it has an obvious draw to domestic capabilities but they are hoping to introduce it successfully to the commercial and industrial markets first.Short answer: no.
At the moment there is no control over their placement and they are randomly distributed, however finding ways to control this may expand the uses open to the technology. Rohinni has developed a form of what it calls Lightpaper: a way to print lighting and apply it to. Phase 2 of Light paper is to look at having more control over how the LED’s are dispersed on the paper. Rohinni Lightpaper: Printed Lighting Applied Anywhere. Because of the longevity of OLED technology this paper could have a life span of up to 20 years. The LEDs are tiny diodes barely visible to the human eye and then randomly scattered over the material. This layer is then sandwiched between two more layers to create a thin paper material that is sealed and lights up. Light paper has been developed by mixing ink and LED’s then printing them out on a conductive layer. “All we know is that we’re trying to unlock the ability to create light.”
“With Lightpaper it’s more of a platform of light that we don’t even know how it’s going to be used,” explains Smoot.
Rohinni CMO, Nick Smoot, is stumped himself on the applications of the discovery of light paper, but everyone is excited about the prospect of a new way of creating light. Rohinni has developed a way to print light onto paper which poses the question, how can this be applied and utilised? How can Paper Lighting be used Commercially? Rohinni has developed a way to print paper-thin lighting in any shape and for any situation. Imagine if light could be printed like paper, instead of those circular bulbs - how many applications you can think of Thats exactly what Coeur dAlene, Idaho-based startup Rohinni, a passionate team is working. An innovative technology has been invented to actually print light on paper using LED technology. QuoteQuote We print metals, food and even human organs using 3D printing technology.
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