April 11, 2021

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Volumetric OLED Display Shows Bladerunner Vibe, Curious Screen Tech

[Sean Hodgins] is out with his latest video and it’s a piece of art in itself. Beyond a traditional project show and tell, he’s spun together a cyberpunk vibe to premiere the volumetric display he built from an OLED stackup.

The trick of a volumetric display is the ability to add a third dimension for positioning pixels. Here [Sean] delivered that ability with a stack up of ten screens to add a depth element. This is not such an easy trick. These small OLED displays are all over the place but they share a common element: a dark background over which the pixels appear. [Sean] has gotten his hands on some transparent OLED panels and with some Duck-Duck-Go-Fu we think it’s probably a Crystalfontz 128×56 display. Why is it we don’t see more of these? Anyone know if it’s possible to remove the backing from other OLED displays to get here. (Let us know in the comments.)

The rest of the built is fairly straight-forward with a Feather M4 board driving the ten screens via SPI, and an MPU-6050 IMU for motion input. The form factor lends an aesthetic of an augmented reality device and the production approach for the video puts this in a Bladerunner or Johnny Mneumonic universe. Kudos for expanding the awesome of the build with an implied backstory!

If you can’t find your own transparent displays, spinning things are a popular trend in this area. We just saw one last week that spun an LED matrix to form cylindrical display. Another favorite of ours is a volumetric display that spins a helix-shaped projection screen.