Multilevel semiconductor device and structure

A 3D micro display, the 3D micro display comprising:

• a first single crystal layer comprising at least one LED driving circuit;
• a second single crystal layer comprising a first plurality of light emitting diodes (LEDs),
• wherein said second single crystal layer is on top of said first single crystal layer,
• wherein said second single crystal layer comprises at least ten individual first LED pixels;
• and
• a second plurality of light emitting diodes (LEDs),
• wherein said 3D micro display comprises a bonding structure.

A 3D micro display, the 3D micro display comprising:

• a first single crystal layer comprising at least one LED driving circuit;
• a second single crystal layer comprising a first plurality of light emitting diodes (LEDs),
• wherein said second single crystal layer comprises at least ten individual first LED pixels;
• and
• a second plurality of light emitting diodes (LEDs),
• wherein said first plurality of light emitting diodes (LEDs) emits a first light with a first wavelength,
• wherein said second plurality of light emitting diodes (LEDs) emits a second light with a second wavelength,
• wherein said first wavelength and said second wavelength differ by greater than 10 nm, and
• wherein said 3D micro display comprises a bonding structure.