Injection non-coherent emitter

H - Electricity – 01 – L

Patent

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Details

H01L 33/00 (2006.01) H01L 27/15 (2006.01)

Patent

CA 2358897

The present invention relates to an injection non-coherent emitter that ensures the output of a directed, spontaneous and outflowing radiation at reduced divergence angles with increased external efficiency as well as with increased energetic and luminous power. This emitter includes, in the whole heterostructure (2), a plurality of layers and sublayers having compositions and thicknesses that lay within predetermined ranges, and also includes a plurality of layers for the radiation output area (7). This invention also relates to different modifications in the heterostructure and the output area which allow for the output of the radiation in different controlled directions, including in a direction perpendicular to the active layers of said emitters. This invention further relates to multiple-beam non-coherent emitters, including radiating rulers and matrices having autonomously controlled beams.

Cette invention concerne un émetteur non cohérent à injection, lequel assure l'émission d'un rayonnement spontané et dirigé sortant à de faibles angles de divergence, et ceci avec une efficacité externe et une puissance énergétique et lumineuse accrues. Cet émetteur comprend, dans l'ensemble de l'hétérostructure (2), des couches et des sous-couches qui possèdent des compositions et des épaisseurs se trouvant dans des plages données, et comprend également des couches pour la zone d'émission du rayonnement (7). Cette invention concerne également différentes modifications de l'hétérostructure et de la zone d'émission qui permettent d'émettre le rayonnement dans différentes directions contrôlées, y compris dans une direction perpendiculaire à la couche active desdits émetteurs. Cette invention concerne en outre des émetteurs non cohérents à faisceaux multiples, y compris des règles et des matrices rayonnantes dont les faisceaux sont commandés de manière autonome.

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