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    • 4. 发明申请
    • LIGHT EXTRACTION BLOCK WITH CURVED SURFACE
    • 具有弯曲表面的光提取块
    • WO2012088260A2
    • 2012-06-28
    • PCT/US2011066459
    • 2011-12-21
    • UNIVERSAL DISPLAY CORPLEVERMORE PETERKRALL EMORYSILVERNAIL JEFFREYRAJAN KAMALABROWN JULIA J
    • LEVERMORE PETERKRALL EMORYSILVERNAIL JEFFREYRAJAN KAMALABROWN JULIA J
    • H01L51/52
    • H01L51/5275H01L27/3211
    • Light extraction blocks, and OLED lighting panels using light extraction blocks, are described, in which the light extraction blocks include various curved shapes that provide improved light extraction properties compared to parallel emissive surface, and a thinner form factor and better light extraction than a hemisphere. Lighting systems described herein may include a light source with an OLED panel. A light extraction block with a three-dimensional light emitting surface may be optically coupled to the light source. The three-dimensional light emitting surface of the block may includes a substantially curved surface, with further characteristics related to the curvature of the surface at given points. A first radius of curvature corresponding to a maximum principal curvature k 1 at a point p on the substantially curved surface may be greater than a maximum height of the light extraction block. A maximum height of the light extraction block may be less than 50% of a maximum width of the light extraction block. Surfaces with cross sections made up of line segments and inflection points may also be fit to approximated curves for calculating the radius of curvature.
    • 描述光提取块和使用光提取块的OLED照明面板,其中光提取块包括与平行发射表面相比提供改进的光提取性能的各种弯曲形状,以及比半球更薄的形状因子和更好的光提取 。 本文描述的照明系统可以包括具有OLED面板的光源。 具有三维发光表面的光提取块可以光学耦合到光源。 块的三维发光表面可以包括基本上弯曲的表面,具有与给定点处的表面的曲率相关的进一步的特征。 对应于基本弯曲表面上的点p处的最大主曲率k 1的第一曲率半径可以大于光提取块的最大高度。 光提取块的最大高度可以小于光提取块的最大宽度的50%。 具有由线段和拐点组成的横截面的曲面也可以拟合到用于计算曲率半径的近似曲线。
    • 6. 发明申请
    • DIGITIZED OLED LIGHT SOURCE
    • DIGITIZED OLED光源
    • WO2013043197A1
    • 2013-03-28
    • PCT/US2011/053099
    • 2011-09-23
    • UNIVERSAL DISPLAY CORPORATIONKRALL, EmoryPANG, HuiqingMA, RuiqingLEVERMORE, Peter
    • KRALL, EmoryPANG, HuiqingMA, RuiqingLEVERMORE, Peter
    • H01L27/32
    • H01L51/56H01L27/3211H01L27/3239
    • Embodiments described herein may provide for devices comprising a digitized OLED light source (900) and/or methods of manufacturing such devices. In some embodiments, a first method may be provided. The first method may include the steps of depositing a first conductive layer (902) over a substrate (901), depositing a first organic layer (904) comprising electroluminescent material over the first conductive layer, and depositing a first patterned image layer (903) over some but not all of the first conductive layer. The first patterned image layer may locally alter the emissive properties of the first organic layer, and the shape of the first patterned image layer may be based on a non- uniform visual image. The first method may further comprise the step of depositing a second conductive layer (905) over the first organic layer.
    • 本文描述的实施例可以提供包括数字化OLED光源(900)的设备和/或制造这样的设备的方法。 在一些实施例中,可以提供第一种方法。 第一种方法可以包括以下步骤:在衬底(901)上沉积第一导电层(902),在第一导电层上沉积包含电致发光材料的第一有机层(904),以及沉积第一图案化图像层(903) 在一些但不是全部的第一导电层。 第一图案化图像层可以局部地改变第一有机层的发射性质,并且第一图案化图像层的形状可以基于不均匀的视觉图像。 第一种方法还可以包括在第一有机层上沉积第二导电层(905)的步骤。