"@Carol, what display technology is best for reliable operation at -40? We design equipment for northern/arctic operation."
Wow that's pretty cold. I don't know the answer, since most specs say down to -40C. I don't know if the tests just stop there or that they actually fail below -40C. You would probably have to test them yourself. I would guess LEDs are fine. OLEDs might be different . I think the starting is the issue. Once they start they would warm up. Since you are right at the edge of the spec, you could pre-heat if that's really an issue.
OLEDs can degrade with exposure to moisture and oxygen. A high quality barrier material and edge seal is critical. On the other hand, if you are using the display, the heat drives out the moisture and oxygen. This is an ongoing issue in the industry and I believe they can make significant improvemens.
@flared0ne - Hey, that was good. I couldn't figure that one out, but got it. But if they posted the question of how to get here, and they had to be here to post the question, then that's confusing too. I suppose I still don't understand the question.
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Engineers at Fuel Cell Energy have found a way to take advantage of a side reaction, unique to their carbonate fuel cell that has nothing to do with energy production, as a potential, cost-effective solution to capturing carbon from fossil fuel power plants.
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