Resin lens for protecting green laser pen and preparation method thereof

Abstract

The invention provides a green laser pen protection resin lens and a preparation method thereof. The green laser pen protection resin lens comprises a resin lens substrate 1, a hardening layer 2 and alaser prevention film layer 3; wherein the resin lens substrate 1, the hardening layer 2 and the anti-laser film layer 3 are sequentially arranged, the hardening layer 2 is located on the surface ofthe resin lens substrate 1, and the optical film layer 3 is located on the surface of the hardening layer 2; the anti-laser film layer 3 comprises a laser high-reflection film layer 3-1 and a laser absorption back reflection reducing film layer 3-2. According to the invention, the green laser low-transmittance resin lens is produced by reducing the laser intensity through the green laser high-reflectivity film layer, further reducing the laser intensity through the laser absorption back reflection reducing film layer and reducing the glare effect generated by high reflection of the front surface. The product has a good visual effect, achieves a protection effect on eyes, and is suitable for large-scale popularization and application. In addition, the material composition and the process are strictly controlled, so that the high-temperature resistance and the environmental resistance of the spectacle resin lens are greatly improved, and the spectacle resin lens has good application andmarket prospects.

Description

technical field [0001] The invention relates to the technical field of resin lens preparation, in particular to a resin lens for protecting a green laser pointer and a preparation method thereof. Background technique [0002] In recent years, the demand for optical resin lenses in the domestic and foreign glasses markets has been increasing. Compared with glass lenses, resin lenses have the advantages of light weight, good dyeing performance, and easy processing. Medium and high refractive index optical resin lenses are more transparent High efficiency, UV protection, ultra-thin and other unique advantages are favored by users. [0003] With the rapid development of semiconductor laser technology, low-power semiconductor lasers have been miniaturized. The combination of laser processing technology and micro-nano manufacturing technology has realized the large-scale production of small and low-power semiconductor lasers, which has rapidly reduced the cost of lasers. Semicon...

AI Technical Summary

Problems solved by technology

In addition, since the main material of the optical film is an inorganic material, and the substrate of a polymer resin lens is an organic material, the difference in physical and chemical properties of the two leads to a high stress on the lens after coating, which in turn leads to poor temperature resistance and durability. In particular, the coating layer with protective green laser is generally thicker, which has a particularly significant impact on the stress of the coated lens, which affects its normal use.

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