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Light emitting diode

Patent image
ARL

A light emitting device comprising: a polar template; a p-type layer grown thereon; the p-type layer having a first polarization vector having a first projection relative to a growth direction; an n-type layer grown on the p-type layer; the n-type layer having a second polarization vector that is larger than the first polarization vector; the n-type layer and p-type layer forming an interface. Another preferred embodiment light emitting device comprises a polar template; an n-type layer grown on the template; the n-type layer having a first polarization vector having a first projection relative to a growth direction; a p-type layer grown on the n-type layer having a second polarization vector that is larger than the first polarization vector. In both embodiments, the first polarization vector in the p-layer and second polarization vector in the n-layer create discontinuity at the interface resulting in a negative charge appearing at the interface.

Inventors: 
Reed, Meredith L.; Wraback, Michael; Shen, Paul
Patent Number: 
Technical domain: 
Materials and Coatings
FIle Date: 
2009-05-07
Grant Date: 
2011-06-07
Grant time: 
761 days
Grant time percentile rank: 
13
Claim count percentile rank: 
6
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US ARMY