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    • 3. 发明授权
    • Carbon passivation in solid-state light emitters
    • 固态发光体中的碳钝化
    • US07679102B2
    • 2010-03-16
    • US11642786
    • 2006-12-21
    • George ChikThomas MacElweeIain CalderE. Steven HillPeter MascherJacek Wojcik
    • George ChikThomas MacElweeIain CalderE. Steven HillPeter MascherJacek Wojcik
    • H01L29/06H01L31/072H01L31/109H01L31/0328H01L31/0336H01L33/00
    • H05B33/145B82Y20/00H01L33/18H05B33/22
    • A solid state light emitting device comprises one or more active layers comprising semiconductor nano-particles in a host matrix, e.g. silicon nano-particles in silicon dioxide or silicon nitride. The incorporation of carbon in the active layers provides a great improvement in performance through shortened decay time and enhance emission spectra, as well as reliability and lifetime. The emission wavelengths from the nano-particles can be made to correspond to the quantization energy of the semiconductor nano-particles, which allows the entire visible range of the spectrum be covered. Ideally an engineered structure of alternating active and buffer material layers are disposed between AC or DC electrodes, which generate an electric field. The buffer layers are comprised of a wide bandgap semiconductor or dielectric material, and are designed with a thickness, in the direction of an applied electric field, that ensures that electrons passing therethrough picks up enough energy to excite the nano-particles in the adjacent active layer at a sufficient excitation energy to emit light efficiently at a desired wavelength.
    • 固态发光器件包括一个或多个活性层,其包含主体基质中的半导体纳米颗粒, 硅纳米颗粒在二氧化硅或氮化硅中。 通过缩短衰减时间和增强发射光谱以及可靠性和寿命,在活性层中引入碳提供了很大的性能提高。 可以使来自纳米颗粒的发射波长对应于半导体纳米颗粒的量子化能量,这允许覆盖光谱的整个可见光范围。 理想地,交替的有源和缓冲材料层的工程结构设置在产生电场的AC或DC电极之间。 缓冲层由宽带隙半导体或电介质材料组成,并且被设计成沿所施加的电场的方向具有厚度,以确保通过其的电子通过其吸收足够的能量来激发相邻活性物质中的纳米颗粒 层以足够的激发能量以期望的波长有效发光。
    • 4. 发明申请
    • Carbon passivation in solid-state light emitters
    • 固态发光体中的碳钝化
    • US20070181906A1
    • 2007-08-09
    • US11642786
    • 2006-12-21
    • George ChikThomas MacElweelain CalderE. HillPeter MascherJacek Wojcik
    • George ChikThomas MacElweelain CalderE. HillPeter MascherJacek Wojcik
    • H01L33/00
    • H05B33/145B82Y20/00H01L33/18H05B33/22
    • A solid state light emitting device comprises one or more active layers comprising semiconductor nano-particles in a host matrix, e.g. silicon nano-particles in silicon dioxide or silicon nitride. The incorporation of carbon in the active layers provides a great improvement in performance through shortened decay time and enhance emission spectra, as well as reliability and lifetime. The emission wavelengths from the nano-particles can be made to correspond to the quantization energy of the semiconductor nano-particles, which allows the entire visible range of the spectrum be covered. Ideally an engineered structure of alternating active and buffer material layers are disposed between AC or DC electrodes, which generate an electric field. The buffer layers are comprised of a wide bandgap semiconductor or dielectric material, and are designed with a thickness, in the direction of an applied electric field, that ensures that electrons passing therethrough picks up enough energy to excite the nano-particles in the adjacent active layer at a sufficient excitation energy to emit light efficiently at a desired wavelength.
    • 固态发光器件包括一个或多个活性层,其包含主体基质中的半导体纳米颗粒, 硅纳米颗粒在二氧化硅或氮化硅中。 通过缩短衰减时间和增强发射光谱以及可靠性和寿命,在活性层中引入碳提供了很大的性能提高。 可以使来自纳米颗粒的发射波长对应于半导体纳米颗粒的量子化能量,这允许覆盖光谱的整个可见光范围。 理想地,交替的有源和缓冲材料层的工程结构设置在产生电场的AC或DC电极之间。 缓冲层由宽带隙半导体或电介质材料组成,并且被设计成沿所施加的电场的方向具有厚度,以确保通过其的电子通过其吸收足够的能量来激发相邻活性物质中的纳米颗粒 层以足够的激发能量以期望的波长有效发光。