Optical element and manufacturing method thereof
A technology of optical components and manufacturing methods, applied in the direction of diffusion components, etc., can solve the problems affecting the product yield of optical components, affecting the surface flatness of forming rollers, etc., achieving good flatness, high precision, and improving product yield.
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[0012] See figure 1 , Is an optical element 100 provided by an embodiment of the present invention, which includes a transparent substrate 10, a transparent optical film 20, and a transparent adhesive layer 30. The surface of the optical film 20 away from the substrate 10 has a microstructure pattern 21.
[0013] The material of the substrate 10 is an organic polymer, and the optical film 20 is obtained by curing an ultraviolet glue including a monomer of the organic polymer. In this embodiment, the material of the substrate 10 is polymethylmethacrylate (PMMA), abbreviated as acrylic resin. The optical film 20 is formed by curing an ultraviolet glue containing PMMA monomer (referred to as PMMA ultraviolet glue for short). Since PMMA UV glue includes PMMA monomer and photoinitiator, the photoinitiator generates active free radicals or cations after absorbing UV light under ultraviolet radiation, and initiates polymerization, crosslinking and branching chemical reactions of PMMA m...
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