Patent
US 8,912,557light emitting layer
transparent conductive layer
sapphire substrate
AlN connecting layer
AlN
ITO transparent conductive layer
| — |
light emitting layer
transparent conductive layer
sapphire substrate
AlN connecting layer
AlN
ITO transparent conductive layer
| — |
light emitting layer
transparent conductive layer
sapphire substrate
AlN connecting layer
AlN
ITO transparent conductive layer
| — |
light emitting layer
transparent conductive layer
sapphire substrate
AlN connecting layer
AlN
ITO transparent conductive layer
| — |