I am not negating the OLED technology but...
"Today, the majority of energy produced is used for lighting buildings." - the author seems to be a little biased in his world perception. ;-)
Also the actual OLED efficiency (lumens per watt) is far from the most efficient (commercial) light sources.
OLED provides homogenous lighting without use of any other diffusers.This is great advantage.Also a panel of OLED will look like a window glass allowing sun light during day time. Also this can be made into any shape. Soon all the lighting will be replaced by OLED when it reaches 100 lumen /watt at a cost of $2/watt.
I don't know if this was a translation problem but organic in chemistry means carbon based not carbonate which is both oxygen and carbon. This article would have been more interesting if it didn't seem like a soft sell for OLEDs and had compared OLEDs against LEDs
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What are the engineering and design challenges in creating successful IoT devices? These devices are usually small, resource-constrained electronics designed to sense, collect, send, and/or interpret data. Some of the devices need to be smart enough to act upon data in real time, 24/7. Are the design challenges the same as with embedded systems, but with a little developer- and IT-skills added in? What do engineers need to know? Rick Merritt talks with two experts about the tools and best options for designing IoT devices in 2016. Specifically the guests will discuss sensors, security, and lessons from IoT deployments.