The spectacle lens includes a lens substrate; a multilayer film disposed on one surface of the lens substrate; and a multilayer film disposed on the other surface of the lens substrate, wherein an average reflectance within the wavelength range from 380 to 500 nm measured at least on one surface of the spectacle lens is 10.00% or more, and a reflectance measured at least on one surface of the spectacle lens is 5.00% or less in the entire range within the wavelength range from 400 to 780 nm.

Disclosed are optical systems that vary the refractive index of at least one relatively angled transmissive surface to reduce reflections. Embodiments include at least one optical component with relatively angled surface portions that are transmissive to electromagnetic radiation (EMR). In certain embodiments, an electrically conductive layer reflective to EMR and an anti-reflective coating are proximate the optical component. The anti-reflective coating includes a gradient-index (GRIN) layer with an index of refraction that varies across a length to increase propagation of EMR at a predetermined angle of incidence to prevent reflection of the EMR between the angled transmissive surfaces.

Disclosed are optical systems that vary the refractive index of at least one relatively angled transmissive surface to reduce reflections. Embodiments include at least one optical component with relatively angled surface portions that are transmissive to electromagnetic radiation (EMR). In certain embodiments, an electrically conductive layer reflective to EMR and an anti-reflective coating are proximate the optical component. The anti-reflective coating includes a gradient-index (GRIN) layer with an index of refraction that varies across a length to increase propagation of EMR at a predetermined angle of incidence to prevent reflection of the EMR between the angled transmissive surfaces.

A method of forming a low reflectivity coating on an optical surface for wide angle of incidence is provided. The method includes depositing a low refractive index layer of material on a stack of dielectric layers, depositing a hydrophobic compatible material on the stack of dielectric layers, forming a blend interface layer on the stack of dielectric layers, the blend interface layer including a portion of the low refractive index layer of material and a portion of the hydrophobic compatible material, and depositing a hydrophobic layer of material adjacent to the blend interface layer. A physical vapor deposition chamber to perform the above method is also provided.

A method of forming a low reflectivity coating on an optical surface for wide angle of incidence is provided. The method includes depositing a low refractive index layer of material on a stack of dielectric layers, depositing a hydrophobic compatible material on the stack of dielectric layers, forming a blend interface layer on the stack of dielectric layers, the blend interface layer including a portion of the low refractive index layer of material and a portion of the hydrophobic compatible material, and depositing a hydrophobic layer of material adjacent to the blend interface layer. A physical vapor deposition chamber to perform the above method is also provided.

The present disclosure relates to an anti-reflective film comprising: a hard coating layer; and a low refractive index layer, wherein a particle-mixed layer containing both hollow inorganic nanoparticles and solid inorganic nanoparticles and having a thickness of 1.5 nm to 22 nm exists in the low refractive index layer, and wherein the anti-reflective film has an absolute value of b* value in a CIE Lab color space of 4 or less, and a polarizing plate, a display device, and an organic light emitting diode display device comprising the anti-reflective film.

The present disclosure relates to an anti-reflective film comprising: a hard coating layer; and a low refractive index layer, wherein a particle-mixed layer containing both hollow inorganic nanoparticles and solid inorganic nanoparticles and having a thickness of 1.5 nm to 22 nm exists in the low refractive index layer, and wherein the anti-reflective film has an absolute value of b* value in a CIE Lab color space of 4 or less, and a polarizing plate, a display device, and an organic light emitting diode display device comprising the anti-reflective film.

Provided is a spectacle lens, having a lens substrate including a blue light absorbable compound, and a multilayer film including a chromium layer with a film thickness of 1.0 to 10.0 nm, blue light cut rate being 21.0% or more, a dominant wavelength measured at the object side surface of the spectacle lens falling within a range of 500.0 to 550.0 nm, and a dominant wavelength measured at the eyeball side surface of the spectacle lens falling within a range of 500.0 to 550.0 nm.

Provided is a spectacle lens, having a lens substrate including a blue light absorbable compound, and a multilayer film including a chromium layer with a film thickness of 1.0 to 10.0 nm, blue light cut rate being 21.0% or more, a dominant wavelength measured at the object side surface of the spectacle lens falling within a range of 500.0 to 550.0 nm, and a dominant wavelength measured at the eyeball side surface of the spectacle lens falling within a range of 500.0 to 550.0 nm.

An optical element has an area in which a transmittance varies, includes first and second antireflection layers, and an absorption layer disposed between the first and second antireflection layers, and satisfies certain conditions.