Organic LED material achieves faster organic phosphorescence for better display tech
Screens for TVs, smartphones or other displays could be made with a new kind of organic LED material developed by an ...
Hackaday1mon
LED sign
That’s the subject of a blog post from [Kevin Chung], who investigated the legacy of NYCTrainSign, a company whose product was an LED NYC subway sign and which has become a meme byword for a ...