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    • 9. 发明授权
    • Semiconductor light emitting device
    • 半导体发光器件
    • US08698123B2
    • 2014-04-15
    • US13213373
    • 2011-08-19
    • Tomonari ShiodaHisashi YoshidaNaoharu SugiyamaShinya Nunoue
    • Tomonari ShiodaHisashi YoshidaNaoharu SugiyamaShinya Nunoue
    • H01L29/06H01L27/15
    • H01L33/06H01L33/04H01L33/32
    • According to one embodiment, a semiconductor light emitting device includes an n-type semiconductor layer, a p-type semiconductor layer, and a light emitting part. The n-type semiconductor layer includes a nitride semiconductor. The p-type semiconductor layer includes a nitride semiconductor. The light emitting part is provided between the n-type and the p-type semiconductor layers and includes an n-side barrier layer and a first light emitting layer. The first light emitting layer includes a first barrier layer, a first well layer, and a first AlGaN layer. The first barrier layer is provided between the n-side barrier layer and the p-type semiconductor layer. The first well layer contacts the n-side barrier layer between the n-side and the first barrier layer. The first AlGaN layer is provided between the first well layer and the first barrier layer. A peak wavelength λp of light emitted from the light emitting part is longer than 515 nanometers.
    • 根据一个实施例,半导体发光器件包括n型半导体层,p型半导体层和发光部分。 n型半导体层包括氮化物半导体。 p型半导体层包括氮化物半导体。 发光部分设置在n型和p型半导体层之间,并且包括n侧阻挡层和第一发光层。 第一发光层包括第一阻挡层,第一阱层和第一AlGaN层。 第一阻挡层设置在n侧势垒层和p型半导体层之间。 第一阱层与n侧和第一阻挡层之间的n侧势垒层接触。 第一AlGaN层设置在第一阱层和第一势垒层之间。 从发光部发出的光的峰值波长λp长于515nm。