发明申请
US20100290109A1 UV-REFLECTIVE STRUCTURAL COLOR 有权
紫外反射结构颜色

UV-REFLECTIVE STRUCTURAL COLOR
摘要:
The present invention discloses a non-quarter wave multilayer structure having a plurality of alternating low index of refraction material stacks and high index of refraction material stacks. The plurality of alternating stacks can reflect electromagnetic radiation in the ultraviolet region and a narrow band of electromagnetic radiation in the visible region. The non-quarter wave multilayer structure, i.e. nLdL≠nHdH≠λ0/4, can be expressed as [A 0.5qH pL(qH pL)N 0.5qH G], where q and p are multipliers to the quarter-wave thicknesses of high and low refractive index material, respectively, H is the quarter-wave thickness of the high refracting index material; L is the quarter-wave thickness of the low refracting index material; N represents the total number of layers between bounding half layers of high index of refraction material (0.5qH); G represents a substrate and A represents air.
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