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    • 5. 发明授权
    • Light emitting device with phosphor wavelength conversion
    • 具有磷光体波长转换的发光器件
    • US08686449B2
    • 2014-04-01
    • US13481565
    • 2012-05-25
    • Yi-Qun Li
    • Yi-Qun Li
    • H01L29/20H01L33/00H01L21/00
    • H01L33/50F21K9/232F21K9/64F21V3/062F21V3/12F21V9/30F21Y2103/10F21Y2115/10G02B6/005G02B6/0068G02B6/0073
    • A light emitting device comprises a substantially planar light transmissive substrate having a light emitting surface and an opposite surface. The substrate is configured as a light guiding medium. The light emitting device also comprises at least one phosphor material disposed as a layer on the light emitting surface with a plurality of window areas and at least one source of excitation radiation of a first wavelength positioned adjacent to at least one peripheral edge of the substrate. The source is configured to couple excitation radiation into the substrate such that it is waveguided within the substrate by total internal reflection. Additionally, the light emitted by the device from the light emitting surface comprises first wavelength radiation and second, longer wavelength photoluminescent light emitted by the phosphor layer as a result of excitation by the source.
    • 发光器件包括具有发光表面和相对表面的基本上平面的透光衬底。 衬底被配置为导光介质。 发光器件还包括至少一个磷光体材料,其被布置为具有多个窗口区域的发光表面上的层,以及与衬底的至少一个周边边缘相邻定位的至少一个第一波长的激发辐射源。 源被配置为将激发辐射耦合到衬底中,使得其通过全内反射在衬底内波导。 此外,由该器件从发光表面发射的光包括由源激发而由荧光体层发射的第一波长辐射和第二长波长光致发光光。
    • 6. 发明授权
    • Light emitting diode lighting system
    • 发光二极管照明系统
    • US08628255B2
    • 2014-01-14
    • US12726194
    • 2010-03-17
    • Yi-Qun Li
    • Yi-Qun Li
    • G02B6/36F21V7/04
    • F21S6/002A61B1/0653A61B5/0084A61B5/4547F21S8/02F21S8/033F21S8/04F21S8/06F21V14/06F21Y2105/00F21Y2115/10G02B6/0008G02B6/0021G02B6/005
    • A lighting system for generating an illumination product comprises an excitation source, blue/UV LED, operable to generate excitation radiation and a remotely located phosphor, photo luminescent material. Excitation radiation is guided from the excitation source to the phosphor by a waveguiding medium, the waveguiding medium being configured such that the distance the radiation travels from the excitation source to the phosphor layer is at least one centimeter in length. The UV/blue excitation source provides excitation radiation to the phosphor(s), causing the phosphor(s) to photo luminesce, and it may also provide a component of the final illumination product. The configuration of the waveguide allows a greater flexibility in lighting system configurations, such as hanging lighting fixtures, desk lighting fixtures, floor standing lighting fixtures, desk lamps, track lighting, spot lighting, accent lighting, lighting panels, inspection lamps and endoscopes.
    • 用于产生照明产品的照明系统包括可操作以产生激发辐射的激发源蓝/ UV LED和远距离定位的荧光体光致发光材料。 激励辐射通过波导介质从激发源引导到荧光体,波导介质被配置为使得辐射从激发源传播到荧光体层的距离长度至少为一厘米。 UV /蓝色激发源向荧光体提供激发辐射,使磷光体照射发光,并且还可以提供最终照明产品的部件。 波导的配置允许在照明系统配置(例如悬挂照明灯具,桌面照明灯具,落地式照明灯具,台灯,轨道照明,点光源,重点照明,照明面板,检查灯和内窥镜)中具有更大的灵活性。
    • 9. 发明授权
    • Light emitting device with phosphor wavelength conversion
    • 具有磷光体波长转换的发光器件
    • US08337029B2
    • 2012-12-25
    • US12355555
    • 2009-01-16
    • Yi-Qun Li
    • Yi-Qun Li
    • F21V9/16
    • H01L33/56F21V29/70H01L33/507H01L33/644H01L2224/48091H01L2224/49107H01L2224/73265H01L2924/00014
    • A light emitting device comprises: an excitation source (LED) operable to generate excitation light of a first wavelength range and a phosphor (photo-luminescent) material configured to absorb at least a part of the excitation radiation and to emit light of a second wavelength range. Light emitted by the device comprises the combined light of the first and second wavelength ranges. The device is characterized by at least the light emitting surface of the excitation source being coated (encapsulated) with an encapsulating material which is transparent to light of the first and second wavelength ranges and which incorporates particles of a thermally conducting material (thermal conductivity ≧100 Wm−1K−1, e.g. silver, aluminum or carbon nano-particles) distributed throughout its volume. The phosphor material can be provided on a surface of the encapsulating material, incorporated in the encapsulating material and/or applied to the surface of, or incorporated, in an optical component such as a lens.
    • 发光器件包括:可操作以产生第一波长范围的激发光的激发源(LED)和被配置为吸收至少一部分激发辐射并发射第二波长的光的磷光体(光致发光)材料 范围。 由装置发射的光包括第一和第二波长范围的组合光。 该装置的特征在于至少激发源的发光表面用对第一和第二波长范围的光透明并且包含导热材料颗粒(热导率≥100)的封装材料进行涂覆(封装) Wm-1K-1,例如银,铝或碳纳米颗粒)。 磷光体材料可以设置在包封材料的表面上,并入和封装在封装材料的表面上,或者被施加到诸如透镜的光学部件的表面上或并入其中。
    • 10. 发明申请
    • LIGHT EMITTING DEVICE WITH PHOSPHOR WAVELENGTH CONVERSION
    • 具有磷光波长转换的发光装置
    • US20120299032A1
    • 2012-11-29
    • US13481565
    • 2012-05-25
    • Yi-Qun Li
    • Yi-Qun Li
    • H01L33/50
    • H01L33/50F21K9/232F21K9/64F21V3/062F21V3/12F21V9/30F21Y2103/10F21Y2115/10G02B6/005G02B6/0068G02B6/0073
    • A light emitting device comprises a substantially planar light transmissive substrate having a light emitting surface and an opposite surface. The substrate is configured as a light guiding medium. The light emitting device also comprises at least one phosphor material disposed as a layer on the light emitting surface with a plurality of window areas and at least one source of excitation radiation of a first wavelength positioned adjacent to at least one peripheral edge of the substrate. The source is configured to couple excitation radiation into the substrate such that it is waveguided within the substrate by total internal reflection. Additionally, the light emitted by the device from the light emitting surface comprises first wavelength radiation and second, longer wavelength photoluminescent light emitted by the phosphor layer as a result of excitation by the source.
    • 发光器件包括具有发光表面和相对表面的基本上平面的透光衬底。 衬底被配置为导光介质。 发光器件还包括至少一个磷光体材料,其被布置为具有多个窗口区域的发光表面上的层,以及与衬底的至少一个周边边缘相邻定位的至少一个第一波长的激发辐射源。 源被配置为将激发辐射耦合到衬底中,使得其通过全内反射在衬底内波导。 此外,由该器件从发光表面发射的光包括由源激发而由荧光体层发射的第一波长辐射和第二长波长光致发光光。