The display uses four Max 7219 LED matrix displays, so the total resolution is 32 by 8. [Noapparentfunction] came up with an inspired idea: using a glasses case to hold the LED matrices and ...

Each Pixie module is designed to host two gorgeous little Lite-On LTP-305G/HR 5×7 LED dot matrix displays, which we suspect have been impulse purchases in many a shopping cart.

Given the hardware, the JOLED resembles more a dot matrix than more modern displays. This particular incarnation only has a 6x7 resolution even, though the researchers claim it can be expanded.