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    • 43. 发明申请
    • NITRIDE-BASED LIGHT EMITTING HETEROSTRUCTURE
    • 基于氮化物的发光结构
    • WO2006062880A3
    • 2009-06-04
    • PCT/US2005043866
    • 2005-12-05
    • SENSOR ELECTRONIC TECH INCGASKA REMIGIJUSZHANG JIANPINGSHUR MICHAEL
    • GASKA REMIGIJUSZHANG JIANPINGSHUR MICHAEL
    • H01L33/06H01L33/32
    • H01L33/06B82Y20/00H01L33/32H01S5/105H01S5/2009H01S5/3216H01S5/3407H01S5/3415H01S5/34333H01S5/34346
    • An improved nitride-based light emitting heterostructure is provided. The nitride-based light emitting heterostructure includes an electron supply layer and a hole supply layer with a light generating structure disposed there between. The light generating structure includes a set of barrier layers, each of which has a graded composition and a set of quantum wells, each of which adjoins at least one barrier layer. Additional features, such as a thickness of each quantum well, can be selected/incorporated into the heterostructure to improve one or more of its characteristics. Further, one or more additional layers that include a graded composition can be included in the heterostructure outside of the light generating structure. The graded composition layer(s) cause electrons to lose energy prior to entering a quantum well in the light generating structure, which enables the electrons to recombine with holes more efficiently in the quantum well.
    • 提供了一种改进的基于氮化物的发光异质结构。 氮化物系发光异质结构包括电子供给层和在其间设置有发光结构的空穴供给层。 光产生结构包括一组阻挡层,每个阻挡层具有梯度组成和一组量子阱,每个量子阱邻接至少一个势垒层。 诸如每个量子阱的厚度的其它特征可以被选择/并入到异质结构中以改善其特征中的一个或多个。 此外,包括渐变组合物的一个或多个附加层可以包含在发光结构外部的异质结构中。 渐变组分层在光生成结构中进入量子阱之前导致电子失去能量,这使得电子能够在量子阱中更有效地与空穴重新结合。
    • 44. 发明申请
    • NEW OPTICAL DEVICES USING A PENTERNARY III-V MATERIAL SYSTEM
    • 使用三维III-V材料系统的新型光学器件
    • WO2006104392A2
    • 2006-10-05
    • PCT/NO2006/000118
    • 2006-03-30
    • INTOPTO A/SBUGGE, Renato
    • BUGGE, Renato
    • H01S5/323H01S5/343H01S5/10G02B6/125
    • H01S5/22B82Y20/00G02B6/125G02B2006/1215G02B2006/12176H01S5/10H01S5/1003H01S5/343H01S5/34306H01S5/34346
    • The invention relates to the design and processing of a semiconductor optical device. The device is formed of at least four layers of III-V compounds in which one consists of the penternary AlGaInAsSb material. The structure is wet etched in order to form optical ridge waveguides (1). One such device has incorporated two waveguides which are connected through a new junction design (3)(5) which can be made by wet etching (2). In one design the junction and waveguides consists of wet etched Al 0 . 90 Ga 0 . 10 AsSb cladding around a core of Al 0.28 Ga 0 . 72 AsSb (6) in which an active layer composed of Al 0 . 22 In 0.22 Ga 0 . 55 AsSb/ In 0.29 Ga 0 . 71 AsSb quantum wells is embedded (4). The resulting device is a ridge junction laser (10) which has single mode emission and emits a narrow line width. We made and tested a device in the 2.34µm to 2.375µm wavelength area and found it to have an emission line width of around 0.5nm (18).
    • 本发明涉及半导体光学器件的设计和处理。 该装置由至少四层III-V族化合物形成,其中一层由五元AlGaInAsSb材料组成。 为了形成光脊波导(1),将结构湿式蚀刻。 一个这样的器件已经结合了两个波导,其通过新的接合设计(3)(5)连接,其可以通过湿式蚀刻(2)制成。 在一种设计中,结和波导由湿式蚀刻的Al O 3组成。 其中由Al 2 O 3构成的活性层为Al 2 O 3的核心。 在 嵌入式(4)AsSb量子阱。 所得到的器件是具有单模发射并且发射窄线宽度的脊结激光器(10)。 我们制造并测试了2.34μm至2.375μm波长区域的器件,发现其发射线宽度约为0.5nm(18)。
    • 50. 发明申请
    • NITRIDE-BASED LIGHT EMITTING HETEROSTRUCTURE
    • 基于氮化物的发光结构
    • WO2006062880A2
    • 2006-06-15
    • PCT/US2005/043866
    • 2005-12-05
    • SENSOR ELECTRONIC TECHNOLOGY, INC.GASKA, RemigijusZHANG, JianpingSHUR, Michael
    • GASKA, RemigijusZHANG, JianpingSHUR, Michael
    • H01L31/109
    • H01L33/06B82Y20/00H01L33/32H01S5/105H01S5/2009H01S5/3216H01S5/3407H01S5/3415H01S5/34333H01S5/34346
    • An improved nitride-based light emitting heterostructure is provided. The nitride-based light emitting heterostructure includes an electron supply layer and a hole supply layer with a light generating structure disposed there between. The light generating structure includes a set of barrier layers, each of which has a graded composition and a set of quantum wells, each of which adjoins at least one barrier layer. Additional features, such as a thickness of each quantum well, can be selected/incorporated into the heterostructure to improve one or more of its characteristics. Further, one or more additional layers that include a graded composition can be included in the heterostructure outside of the light generating structure. The graded composition layer(s) cause electrons to lose energy prior to entering a quantum well in the light generating structure, which enables the electrons to recombine with holes more efficiently in the quantum well.
    • 提供了一种改进的基于氮化物的发光异质结构。 氮化物系发光异质结构包括电子供给层和在其间设置有发光结构的空穴供给层。 光产生结构包括一组阻挡层,每个阻挡层具有梯度组成和一组量子阱,每个量子阱邻接至少一个势垒层。 诸如每个量子阱的厚度的其它特征可以被选择/并入到异质结构中以改善其一个或多个特性。 此外,包括渐变组合物的一个或多个附加层可以包含在发光结构外部的异质结构中。 渐变组分层在光生成结构中进入量子阱之前导致电子失去能量,这使得电子能够在量子阱中更有效地与空穴重新结合。