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    • 1. 发明申请
    • LED WITH ENHANCED LIGHT EXTRACTION
    • LED与增强光提取
    • WO2009060227A3
    • 2009-07-16
    • PCT/GB2008003784
    • 2008-11-10
    • PHOTONSTAR LED LTDMCKENZIE JAMES STUARTZOOROB MADJ
    • MCKENZIE JAMES STUARTZOOROB MADJ
    • H01L33/00H01L33/20H01L33/22
    • H01L33/20H01L33/0079H01L33/22H01L2933/0091
    • A light emitting device having a plurality of light extracting elements (705) defined on an upper surface of a semiconductor layer (704) of the device, wherein the light extracting elements (705) are adapted to couple light out of the device and to modify the far field emission profile of the device. Each element (705) comprises an elongate region having a length at least twice its width and also greater than the effective dominant wavelength of light generated in the device. The elongate region extends orthogonal to the upper surface but not into the light emitting region (703) of the device and may be oriented at an angle of less than 45- relative to one of a pair of basis axis defining a plane parallel to the semiconductor layer (704). Each elongate region is spatially separated from neighbouring elongate regions such that it perturbs light generated in the light emitting region (703) independently of the neighbouring regions.
    • 一种发光器件,其具有限定在所述器件的半导体层(704)的上表面上的多个光提取元件(705),其中所述光提取元件(705)适于将光耦合到所述器件中并且修改 设备的远场发射曲线。 每个元件(705)包括具有其宽度至少两倍的长度并且还大于在该器件中产生的光的有效主波长的细长区域。 细长区域垂直于上表面延伸,但不延伸到装置的发光区域(703)中,并且可以相对于限定平行于半导体的平面的一对基准轴线之一小于45°的角度定向 层(704)。 每个细长区域与相邻的细长区域在空间上分离,使得其干扰独立于相邻区域的发光区域(703)中产生的光。
    • 2. 发明申请
    • TUNABLE COLOUR LED MODULE
    • TUNABLE彩色LED模组
    • WO2010012999A3
    • 2010-05-27
    • PCT/GB2009001865
    • 2009-07-30
    • PHOTONSTAR LED LTDMCKENZIE JAMES STUARTZOOROB MAJDLEE THOMAS DAVID MATTHEW
    • MCKENZIE JAMES STUARTZOOROB MAJDLEE THOMAS DAVID MATTHEW
    • H01L33/50H05B33/08
    • H01L33/005F21K9/00H01L25/0753H01L33/50H01L2924/0002H05B33/0857H05B33/0869H05B33/0872H01L2924/00
    • A tunable colour LED module comprises at least two sub-modules, each comprising an LED (104), a wavelength converting element (WCE) (201, 112, 203) and a reflector cup. The total light emitted by the module comprises light generated from each LED and WCE and the module is configured to emit a total light having a predefined colour chromaticity when activation properties of the LEDs are managed appropriately. The total light may have a broad white emission spectrum (106). The module combines the benefits of a low cost with uniform chromaticity properties in the far field, and offers long and controlled lifetime at the same time as flexibility and intelligence of tunable colour chromaticity, Colour Rendering Index (CRI) and intensity, either at manufacture or in an end user lighting application. A controlled LED module system comprises a control system for the managing activation properties of the LEDs in the sub-modules. Also described is a method of manufacture.
    • 可调谐彩色LED模块包括至少两个子模块,每个子模块包括LED(104),波长转换元件(WCE)(201,112,203)和反射杯。 由模块发出的总光包括从每个LED和WCE产生的光,并且当LED的激活特性被适当地管理时,该模块被配置为发射具有预定颜色色度的总光。 总光可以具有宽的白色发射光谱(106)。 该模块结合了低成本的优点和远场均匀的色度特性,同时提供长时间和可控的使用寿命,同时灵活性和智能化可调色彩色彩,颜色渲染指数(CRI)和强度,无论是在制造或 在最终用户照明应用中。 受控LED模块系统包括用于管理子模块中的LED的激活特性的控制系统。 还描述了一种制造方法。