Tunnel junction multiple wavelength light-emitting diodes
First Claim
Patent Images
1. A multiple wavelength light-emitting diode having a monolithic cascade cell structure comprising:
- diodes having at least two p-n junctions, wherein each of said at least two p-n junction diodes are top and bottom cells having substantially different band gaps;
electrical connector means by which said at least two p-n junctions may be collectively energized; and
a transparent tunnel p-n junction interconnecting said diodes of substantially different band gaps.
1 Assignment
0 Petitions
Accused Products
Abstract
A multiple wavelength LED having a monolithic cascade cell structure comprising at least two p-n junctions, wherein each of said at least two p-n junctions have substantially different band gaps, and electrical connector means by which said at least two p-n junctions may be collectively energized; and wherein said diode comprises a tunnel junction or interconnect.
-
Citations
9 Claims
-
1. A multiple wavelength light-emitting diode having a monolithic cascade cell structure comprising:
- diodes having at least two p-n junctions, wherein each of said at least two p-n junction diodes are top and bottom cells having substantially different band gaps;
electrical connector means by which said at least two p-n junctions may be collectively energized; and
a transparent tunnel p-n junction interconnecting said diodes of substantially different band gaps. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- diodes having at least two p-n junctions, wherein each of said at least two p-n junction diodes are top and bottom cells having substantially different band gaps;
Specification