G02B1/11

Anti-reflective body, camera unit, mobile device, and method for manufacturing anti-reflective body

An anti-reflective structural body is constituted of an integrally molded article and includes an anti-reflective structure formed on a base surface that constitutes an outer surface of the molded article, and the anti-reflective structure includes a plurality of recesses, each being formed to be recessed from the base surface independently of mutually adjacent recesses and having an inclined surface, which is inclined with respect to the base surface and forms at least one punctiform or linear apex portion at a bottom portion.

Optical lens comprising an antireflective coating with multiangular efficiency

The present invention relates to an optical lens comprising a substrate with a front main face and with a rear main face, at least one of the main faces being coated with an antireflection coating, such that in the range [0°-50° ] of angles of incidence θ, the mean light reflection factor Rv(θ) on said coated main face presents a minimum value Rv.sub.min for an angle of incidence θ.sub.min, comprised in the range [20°-50° ], and Rv.sub.min/Rv(15°)<0.95, Rv(15°) being the mean light reflection factor for an angle of incidence θ of 15° on said coated main face. The optical lens is also useful to inhibit reflection of light in the ultraviolet range.

Optical lens comprising an antireflective coating with multiangular efficiency

The present invention relates to an optical lens comprising a substrate with a front main face and with a rear main face, at least one of the main faces being coated with an antireflection coating, such that in the range [0°-50° ] of angles of incidence θ, the mean light reflection factor Rv(θ) on said coated main face presents a minimum value Rv.sub.min for an angle of incidence θ.sub.min, comprised in the range [20°-50° ], and Rv.sub.min/Rv(15°)<0.95, Rv(15°) being the mean light reflection factor for an angle of incidence θ of 15° on said coated main face. The optical lens is also useful to inhibit reflection of light in the ultraviolet range.

Lightguide optical element for polarization scrambling
11573371 · 2023-02-07 · ·

A lightguide optical element (LOE) configured for polarization scrambling is provided. The LOE includes a transparent substrate having a first refractive index, the substrate having a pair of parallel external surfaces configured to propagate light within the LOE through total internal reflection (TIR), and a plurality of mutually parallel partially reflective internal surfaces, those being non-parallel to the pair of parallel external surfaces and configured to couple out said light to a viewer. The LOE further includes a first coating on at least one external surface of the substrate, the first coating being of a coating material having a second refractive index higher than the first refractive index; The LOE further includes an antireflective (AR) coating on at least one external surface of the substrate over the first coating.

DISPLAY MODULE AND DISPLAY DEVICE
20230097698 · 2023-03-30 ·

A display module and a display device are provided. The display module includes a display panel, and an anti-reflection film disposed on a light-emitting side of the display panel. The anti-reflection film includes a buffer layer and a function layer disposed on a side of the buffer layer away from the display panel, and a refractive index of the buffer layer is greater than a refractive index of the function layer.

DISPLAY MODULE AND DISPLAY DEVICE
20230097698 · 2023-03-30 ·

A display module and a display device are provided. The display module includes a display panel, and an anti-reflection film disposed on a light-emitting side of the display panel. The anti-reflection film includes a buffer layer and a function layer disposed on a side of the buffer layer away from the display panel, and a refractive index of the buffer layer is greater than a refractive index of the function layer.

MEMS mirror device with reduced static reflection

Methods and systems for using a MEMS mirror for steering a LiDAR beam and for minimizing statically emitted light from a LiDAR system are disclosed. A LiDAR system includes a light source that emits a light beam directed at a MEMS device. The MEMS device includes a manipulable mirror that reflects the emitted light beam in a scanning pattern. The MEMS device also includes a substrate positioned adjacent to and at least partially surrounding the mirror. An attenuation layer is disposed on a top surface of the substrate and is configured to attenuate light reflected by the substrate.

MEMS mirror device with reduced static reflection

Methods and systems for using a MEMS mirror for steering a LiDAR beam and for minimizing statically emitted light from a LiDAR system are disclosed. A LiDAR system includes a light source that emits a light beam directed at a MEMS device. The MEMS device includes a manipulable mirror that reflects the emitted light beam in a scanning pattern. The MEMS device also includes a substrate positioned adjacent to and at least partially surrounding the mirror. An attenuation layer is disposed on a top surface of the substrate and is configured to attenuate light reflected by the substrate.

Optical Coatings of Non-Planar Substrates and Methods for the Production Thereof

A coated article is described herein with a substrate having a major surface that comprises a first portion and a second portion that is curved or faceted; and an optical coating on the major surface that forms an anti-reflective surface. A first direction is normal to the first portion and is not equal to a plurality of second directions that are normal to the second portion, and the angle between the first direction and each of the second directions is from about 10 degrees to 60 degrees. Further, the coated article exhibits at the first and second portion a hardness of about 8 GPa or greater at an indentation depth of about 100 nm or greater. Further, the coated article exhibits a single side maximum reflectance of about 3% or less as the first and second portion, wherein the reflectance is measured in a range from about 425 nm to about 950 nm.

Optical Coatings of Non-Planar Substrates and Methods for the Production Thereof

A coated article is described herein with a substrate having a major surface that comprises a first portion and a second portion that is curved or faceted; and an optical coating on the major surface that forms an anti-reflective surface. A first direction is normal to the first portion and is not equal to a plurality of second directions that are normal to the second portion, and the angle between the first direction and each of the second directions is from about 10 degrees to 60 degrees. Further, the coated article exhibits at the first and second portion a hardness of about 8 GPa or greater at an indentation depth of about 100 nm or greater. Further, the coated article exhibits a single side maximum reflectance of about 3% or less as the first and second portion, wherein the reflectance is measured in a range from about 425 nm to about 950 nm.