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Color filters based on enhanced optical transmission of subwavelength-structured metallic film for multicolor organic light-emitting diode display

机译：基于亚波长结构金属膜增强光透射的彩色滤光片用于多色有机发光二极管显示器

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摘要

Using metallic film perforated with a subwavelength periodic structure, a novel concept of a color filter for multicolor organic light-emitting diode (OLED) display is proposed. Based on the phase-matching condition for extraordinary optical transmission, three primary color emissions can be obtained by optimizing the structure's periodicity. Two periodic structures, an array of one-dimensional periodic slits and a two-dimensional periodic hole array, are studied using coupled mode theory. Also, the feasibility of applying these structures as color filters is analyzed. The relative intensity at the unwanted wavelength, which is generated by higher resonant transmission, had been calculated to eliminate its effect on the purity of these filters. It is important that this type of color filter simultaneously solves the low emission efficiency problem for OLEDs with the aid of enhanced transmission of metal film.
机译：使用具有亚波长周期性结构的金属膜，提出了用于多色有机发光二极管（OLED）显示器的滤色器的新概念。根据非凡光学传输的相位匹配条件，通过优化结构的周期性可以获得三种原色发射。利用耦合模式理论研究了两种周期性结构，即一维周期性缝隙阵列和二维周期性孔阵列。此外，分析了将这些结构用作彩色滤光片的可行性。已计算出由于较高的共振透射而在不想要的波长处产生的相对强度，以消除其对这些滤光片纯度的影响。重要的是，这种类型的彩色滤光片可通过增强金属膜的透射率同时解决OLED的低发射效率问题。

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