Method and structure for improved LED light output

Details Method and structure for improved LED light output Method and structure for improved LED light output

2006-08-22

2006-08-22

Nelms, David (Department: 2818)

Active solid-state devices (e.g., transistors, solid-state diode

Incoherent light emitter structure

C257S088000, C257S089000, C257S090000, C257S094000

Reexamination Certificate

active

07095052

ABSTRACT:
The efficiency of LEDs is increased by incorporating multiple active in series separated by tunnel junction diodes. This also allows the LEDs to operate at longer wavelengths.

REFERENCES:
patent: 6163038 (2000-12-01), Chen et al.
patent: 2001/0017874 (2001-08-01), Ishida
patent: 2001/0043629 (2001-11-01), Sun et al.
patent: 2003/0197169 (2003-10-01), Lee et al.
patent: 2004/0144990 (2004-07-01), Udagawa

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