Deep ultraviolet led and production method for same
A deep ultraviolet LED that has a design wavelength of [lambda]. The deep ultraviolet LED is characterized by including, in order from the side opposite a sapphire substrate, a reflecting electrode layer (Au), a metal layer (Ni), a p-type GaN contact layer, a P-Block layer that comprises a p-type Al...
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| creator | KAMIMURA, RYUICHIRO KOKUBO, MITSUNORI OSADA, YAMATO KASHIMA, YUKIO NAGANO, TSUGUMI AOYAMA, YOHEI IWAISAKO, YASUSHI JO, MASAFUMI WATANABE, YASUHIRO HIRAYAMA, HIDEKI MAEDA, NORITOSHI IWAI, TAKESHI MATSUURA, ERIKO TASHIRO, TAKAHARU FURUTA, KANJI |
| description | A deep ultraviolet LED that has a design wavelength of [lambda]. The deep ultraviolet LED is characterized by including, in order from the side opposite a sapphire substrate, a reflecting electrode layer (Au), a metal layer (Ni), a p-type GaN contact layer, a P-Block layer that comprises a p-type AlGaN layer and has a film thickness of 52-56 nm, an i-guide layer that comprises an AlN layer, a multi quantum well layer, an n-type AlGaN contact layer, a u-type AlGaN layer, an AlN template, and the sapphire substrate. The deep ultraviolet LED is also characterized by including a reflective two-dimensional photonic crystal periodic structure that includes a plurality of holes and is provided from the interface between the metal layer and the p-type GaN contact layer within the thickness-direction range of the p-type GaN contact layer but does not cross the interface between the p-type GaN contact layer and the P-Block layer. The deep ultraviolet LED is also characterized in that the distance from sapphire-substrat |
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The deep ultraviolet LED is characterized by including, in order from the side opposite a sapphire substrate, a reflecting electrode layer (Au), a metal layer (Ni), a p-type GaN contact layer, a P-Block layer that comprises a p-type AlGaN layer and has a film thickness of 52-56 nm, an i-guide layer that comprises an AlN layer, a multi quantum well layer, an n-type AlGaN contact layer, a u-type AlGaN layer, an AlN template, and the sapphire substrate. The deep ultraviolet LED is also characterized by including a reflective two-dimensional photonic crystal periodic structure that includes a plurality of holes and is provided from the interface between the metal layer and the p-type GaN contact layer within the thickness-direction range of the p-type GaN contact layer but does not cross the interface between the p-type GaN contact layer and the P-Block layer. 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The deep ultraviolet LED is characterized by including, in order from the side opposite a sapphire substrate, a reflecting electrode layer (Au), a metal layer (Ni), a p-type GaN contact layer, a P-Block layer that comprises a p-type AlGaN layer and has a film thickness of 52-56 nm, an i-guide layer that comprises an AlN layer, a multi quantum well layer, an n-type AlGaN contact layer, a u-type AlGaN layer, an AlN template, and the sapphire substrate. The deep ultraviolet LED is also characterized by including a reflective two-dimensional photonic crystal periodic structure that includes a plurality of holes and is provided from the interface between the metal layer and the p-type GaN contact layer within the thickness-direction range of the p-type GaN contact layer but does not cross the interface between the p-type GaN contact layer and the P-Block layer. The deep ultraviolet LED is also characterized in that the distance from sapphire-substrat</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY SEMICONDUCTOR DEVICES |
| title | Deep ultraviolet led and production method for same |
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