3d micro display device and structure

Abstract

A 3D micro display, the 3D micro display including: a first level including a first single crystal layer, the first single crystal layer includes a plurality of LED driving circuits; a second level including a first plurality of light emitting diodes (LEDs), the first plurality of LEDs including a second single crystal layer, where the first level is disposed on top of the second level, where the second level includes at least ten individual first LED pixels; and a bonding structure, where the bonding structure includes oxide to oxide bonding.

What is claimed is: 
     
         1 . A 3D micro display, the 3D micro display comprising:
 a first level comprising a first single crystal layer, said first single crystal layer comprises a plurality of LED driving circuits;   a second level comprising a first plurality of light emitting diodes (LEDs), said first plurality of LEDs comprising a second single crystal layer,
 wherein said first level is disposed on top of said second level, 
 wherein said second level comprises at least ten individual first LED pixels; and 
   a bonding structure,
 wherein said bonding structure comprises oxide to oxide bonding. 
   
     
     
         2 . The 3D micro display according to  claim 1 ,
 wherein a plurality of said at least ten individual first LED pixels are individually driven, and   wherein each of said plurality of said at least ten individual first LED pixels is driven by a at least one of said plurality LED driving circuits.   
     
     
         3 . The 3D micro display according to  claim 1 , further comprising:
 a bottom surface of said first single crystal layer; and   a top surface of said second single crystal layer,
 wherein a vertical distance is a distance from said bottom surface of said first single crystal layer to said top surface of said second single crystal layer, and 
 wherein said vertical distance is less than ten microns and greater than 0.1 microns. 
   
     
     
         4 . The 3D micro display according to  claim 1 , further comprising:
 a second plurality of light emitting diodes (LEDs),
 wherein said first plurality of LEDs emits a first light with a first wavelength, 
 wherein said second plurality of LEDs emits a second light with a second wavelength, and 
   wherein said first wavelength and said second wavelength differ by greater than 10 nm.   
     
     
         5 . The 3D micro display according to  claim 1 ,
 wherein said first single crystal layer thickness is greater than 10 nm and smaller than 50 micrometers.   
     
     
         6 . The 3D micro display according to  claim 1 ,
 wherein said second single crystal layer thickness is greater than 10 nm and smaller than 50 micrometers.   
     
     
         7 . The 3D micro display according to  claim 1 ,
 wherein said at least one LED driving circuit comprises n type devices and p type devices.   
     
     
         8 . A 3D micro display, the 3D micro display comprising:
 a first level comprising a first single crystal layer, said first single crystal layer comprises a plurality of LED driving circuits;   a second level comprising a first plurality of light emitting diodes (LEDs), said first plurality of LEDs comprising a second single crystal layer,
 wherein said first level is disposed on top of said second level, 
 wherein said second level comprises at least ten individual first LED pixels; and 
   a bonding structure,
 wherein said first level is bonded to said second level, and 
 wherein said bonded comprises oxide to oxide bonding. 
   
     
     
         9 . The 3D micro display according to  claim 8 ,
 wherein a plurality of said at least ten individual first LED pixels are individually driven, and   wherein each of said plurality of said at least ten individual first LED pixels is driven by a unique at least one of said plurality LED driving circuit.   
     
     
         10 . The 3D micro display according to  claim 1 , further comprising:
 a bottom surface of said first single crystal layer; and   a top surface of said second single crystal layer,
 wherein a vertical distance is a distance from said bottom surface of said first single crystal layer to said top surface of said second single crystal layer, and 
 wherein said vertical distance is less than ten microns and greater than 0.1 microns. 
   
     
     
         11 . The 3D micro display according to  claim 8 , further comprising:
 a second plurality of light emitting diodes (LEDs),
 wherein said first plurality of LEDs emits a first light with a first wavelength, 
 wherein said second plurality of LEDs emits a second light with a second wavelength, and 
 wherein said first wavelength and said second wavelength differ by greater than 10 nm. 
   
     
     
         12 . The 3D micro display according to  claim 8 ,
 wherein said first single crystal layer thickness is greater than 10 nm and smaller than 50 micrometers.   
     
     
         13 . The 3D micro display according to  claim 8 ,
 wherein said second single crystal layer thickness is greater than 10 nm and smaller than 50 micrometers.   
     
     
         14 . The 3D micro display according to  claim 8 ,
 wherein at least one of said plurality of LED driving circuit comprises n type devices and p type devices.   
     
     
         15 . A 3D micro display, the 3D micro display comprising:
 a first level comprising a first single crystal layer, said first single crystal layer comprises plurality of LED driving circuits;   a second level comprising a first plurality of light emitting diodes (LEDs), said first plurality of LEDs comprising a second single crystal layer,
 wherein said first level is disposed on top of said second level, 
 wherein said second level comprises at least ten individual first LED pixels, 
 wherein said at least 10 individual LED pixels have been made individual by an etch process; and 
   a bonding structure,
 wherein said first level is bonded to said second level, and 
 wherein said bonded comprises oxide to oxide bonding. 
   
     
     
         16 . The 3D micro display according to  claim 15 ,
 wherein a plurality of said first LED pixels are individually driven, and   wherein each of said plurality of said first LED pixels is driven by at least one of said plurality of LED driving circuits.   
     
     
         17 . The 3D micro display according to  claim 1 , further comprising:
 a bottom surface of said first single crystal layer; and   a top surface of said second single crystal layer,
 wherein a vertical distance is a distance from said bottom surface of said first single crystal layer to said top surface of said second single crystal layer, and 
 wherein said vertical distance is less than ten microns and greater than 0.1 microns. 
   
     
     
         18 . The 3D micro display according to  claim 15 , further comprising:
 a second plurality of light emitting diodes (LEDs),
 wherein said first plurality of LEDs emits a first light with a first wavelength, 
 wherein said second plurality of LEDs emits a second light with a second wavelength, and 
 wherein said first wavelength and said second wavelength differ by greater than 10 nm. 
   
     
     
         19 . The 3D micro display according to  claim 15 ,
 wherein said first single crystal layer thickness is greater than 10 nm and smaller than 50 micrometers.   
     
     
         20 . The 3D micro display according to  claim 15 ,
 wherein at least one of said plurality of LED driving circuits comprises n type devices and p type devices.