Exploring 3D pixel circuits for small pitch and high brightness GaN microdisplays
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authors
keywords
- Microdisplay
- LED
- 3D circuit
- Multi voltage
- Augmented reality
abstract
Gallium nitride (GaN) based LEDs are a promising technology for microdisplays thanks to the brightness they can provide. However, they have not been widely adopted for this type of applications yet, partly due to the size and complexity of the associated driver circuits. In this paper, we demonstrate that despite the complexity of the driver circuits, a very small pixel pitch can be achieved thanks to CMOS 3D technology.
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