초록 ▼

This invention provides an optical laminar structure having an optically selective transmitting function accordant with light wavelength, whereby it is capable of having high transmittance for visible ray and low transmittance for near infrared ray and infrared ray, so that said optical laminar stru

This invention provides an optical laminar structure having an optically selective transmitting function accordant with light wavelength, whereby it is capable of having high transmittance for visible ray and low transmittance for near infrared ray and infrared ray, so that said optical laminar structure can be offered at a low price to expand its applications not only in special optical lines but also in general glazing use.

대표청구항 ▼

An optical laminar structure being transparent for visible light and reflective for near infrared light comprising a dielectric layer arranged sandwichlike between thin metal layers, located on a transparent substrate, characterized in that the dielectric layer comprises a 30 nm to 200 nm (300 Åto 2

An optical laminar structure being transparent for visible light and reflective for near infrared light comprising a dielectric layer arranged sandwichlike between thin metal layers, located on a transparent substrate, characterized in that the dielectric layer comprises a 30 nm to 200 nm (300 Åto 2,000 Å) thick transparent organic polymer layer with a refractive index in the range of 1.35 to 1.65, the thin metal layer has a thickness of about 4 nm to about 15 nm (about 40 Åto about 150 Å) and the transparent substrate is a 0.5 mm to 10 mm thick inorganic glass sheet or a 5 m200 m