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REFLECTIVE FILTER COMPRISING A PERIODIC ARRAY STRUCTURE HAVING AN EQUIVALENT REFRACTIVE INDEX AND DISPLAY PANEL HAVING THE SAME, DISPLAY DEVICE AND CONTROL METHOD THEREOF
REFLECTIVE FILTER COMPRISING A PERIODIC ARRAY STRUCTURE HAVING AN EQUIVALENT REFRACTIVE INDEX AND DISPLAY PANEL HAVING THE SAME, DISPLAY DEVICE AND CONTROL METHOD THEREOF
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机译:反射过滤器,包括具有相同,显示装置和控制方法的等效折射率和显示面板的周期阵列结构
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摘要
The present disclosure relates to a display panel, a display device, a reflective filter and a control method thereof. The reflective filter includes: a substrate; a first dielectric layer having a first refractive index, and located on one side of the substrate; a periodic array structure located on one side of the first dielectric layer away from the substrate and in direct contact with the first dielectric layer, wherein the periodic array structure includes a plurality of solid material patterns spaced apart by gaps; and a second dielectric layer covering the periodic array structure and filling the gaps, wherein a material of the second dielectric layer is a variable refractive index material; wherein the first refractive index of the first dielectric layer is lower than an equivalent refractive index nneff of the periodic array structure with the gaps filled with the variable refractive index material.
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