That's a Color Coded Super Twisted Nematic Liquid Crystal Display, on this Casio CSF-4650A.
Check out this web-version made by Rezmason: 🤩
https://rezmason.github.io/birefringence-lcd/
Music: https://posy.bandcamp.com/
Support my projects on Patreon: https://patreon.com/posy
Posy on Spotify: https://open.spotify.com/artist/3zkrmBzisZKngkrd6gXLHg
Or on Apple Music: https://music.apple.com/us/artist/posy/1522538629
