Light emitting device

H - Electricity – 01 – L

Patent

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Details

H01L 33/32 (2010.01) H01L 33/04 (2010.01) H01S 5/343 (2006.01)

Patent

CA 2394460

A light-emitting device having an active layer made of a nitride semiconductor containing In, especially a light-emitting device emitting a light of long wavelength (above 550 nm) and having an improved output power, wherein the active layer is formed between an n-type semiconductor layer and a p-type semiconductor layer and includes a well layer made of Inx1Ga1-x1N (x1>0) containing In and a first barrier layer formed on the well layer and made of Aly2Ga1-y2N (y2>0) containing Al.

L'invention concerne un dispositif luminescent présentant une couche active constituée d'un semi-conducteur au nitrure contenant In, notamment un dispositif luminescent émettant une lumière de longueur d'onde longue (supérieure à 550 nm) et présentant une puissance de sortie améliorée, dans lequel la couche active est formée entre une couche de semi-conducteur de type n et une couche de semi-conducteur de type p et présente une couche de puits constituée de In¿x1?Ga¿1-x1?N (x1 > 0) contenant In, ainsi qu'une première couche d'arrêt formée sur la couche de puits et constituée de Al¿y2?Ga¿1-y2?N (y2 > 0) contenant Al.

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