I think I would expect a true light field display to work like a planar fourier capture array but in reverse

basically each pixel has a ton of micro-pixels, that emit light in different spread harmonics. you can imagine each pixel being sent a fourier transform of the shape of light that should be emitting from it

you should read about PFCAs, they're fucking fascinating. flat camera with no lens that can be fabbed with the same technology we use to make CPUs en.wikipedia.org/wiki/Planar_F

"angle sensitive pixel" is what each micro-pixel that I spoke about is. en.wikipedia.org/wiki/Angle-se

the article only speaks about it in terms of receiving light, not emitting light. I'm not a physicist but I feel like, maybe it should work both ways?

I have no idea how small you can make an LED so that it fits behind the diffraction grating

@SuricrasiaOnline you basically cant do LEDs on silicon (not visible ones anyways) so you're probably limited to µLEDs which seem to be around 5µm with current tech

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