Patent classifications
B29D11/00009
Optical Articles and Method of Preparing the Same
An optical article that includes an optical element and an anisotropic coating layer formed over at least a portion of the optical element. The anisotropic coating layer can include a first light-influencing zone comprising at least one first anisotropic material and a second light-influencing zone comprising at least one second anisotropic material. The at least one of the first light-influencing zone and the second light-influencing zone further include at least one dichroic material and/or at least one photochromic-dichroic material such that the first light-influencing zone and the second light-influencing zone exhibit a different color property, a different photochromic-dichroic reversible change, a different amount of polarization, or a combination thereof.
Method of producing optical element and apparatus for producing optical element
A method of producing an optical element includes forming a base portion that supports a curved surface of the optical element by discharging a transmissive material that allows transmission of light in a first amount, and forming the curved surface by discharging, to the base portion, the transmissive material in a second discharge amount smaller than the first discharge amount.
Optical sheet and optical component
An optical sheet of the present invention includes a specific wavelength absorption layer that contains a polycarbonate as a main material and a light absorbing agent that absorbs light of a specific wavelength out of light in a wavelength range of 350 nm to 740 nm, in which the polycarbonate has a viscosity average molecular weight Mv of 20,000 to 30,000. In addition, the specific wavelength absorption layer further includes an ultraviolet absorbing agent that absorbs light in a wavelength range of 100 nm to 420 nm.
LIGHT-ABSORBING FLANGE LENSES
Light-absorbing flange lenses that may be used in the lens stacks of compact lens systems. In a light-absorbing flange lens, the effective area of the lens is composed of a transparent optical material, and at least a portion of the flange of the lens is composed of an optical material that absorbs at least a portion of the light that enters the flange. Using light-absorbing flange lenses may allow the lens barrel to be eliminated from the lens system, thus reducing the X-Y dimensions of the lens system when compared to conventional compact lens systems that include a lens stack enclosed in a lens barrel. In addition, using a light-absorbing material in the flanges of the light-absorbing flange lenses may reduce or eliminate optical aberrations such as lens flare, haze, and ghosting in images.
Cleaning station for optical elements
A cleaning station for an optical element is providing, including: an optical element holder configured to hold the optical element; a first drive configured to rotate the optical element holder around a rotation axis coinciding with an optical axis of the optical element when held by the optical element holder; a cleaning nozzle configured to project a cleaning jet of a cleaning liquid towards the optical element; and a separate drying nozzle configured to project a drying jet towards the optical element, the cleaning nozzle and the drying nozzle being configured to move in order to direct the cleaning jet and the drying jet, respectively, successively to different locations on the optical element.
SYSTEM AND METHOD FOR LOW-STRESS OPTICAL LENS USING A 3D-PRINT CORRECTION TECHNIQUE
A corrected optical lens includes an inner layer that includes a low stress optical lens and an outer layer that includes one or more corrective layers. The outer layer may be formed on at least a portion of an outer surface of the inner layer by scanning the outer surface of the inner layer, generating a surface characterization file based on the outer surface scan, and 3D printing the one or more corrective layers on the outer surface of the inner layer based on the surface characterization file as input to a 3D printer. The surface characterization file may be corrected based on a particular predetermined contour of the inner layer prior to being input to the 3D printer. The correction may include, for example, reduction of root mean square (RMS) values of deviations of detected peaks and valleys on the surface of the inner layer.
OPHTHALMOLOGICAL LENS
Provided is an ophthalmological lens configured to provide a near-sightedness progression suppression effect using a monochromatic aberration of a pencil that is a bundle of rays passing through the ophthalmological lens and passing through a pupil, the ophthalmological lens including a wavelength filter for attenuating light of a long wavelength longer than a set dominant wavelength, and technology related thereto.
THE MANUFACTURING METHOD OF HIGH-REFRACTIVE POLARIZED LENS
Disclosed herein is a method for manufacturing a high-refractive polarized lens, the method comprises; pretreating both surfaces of the TAC film; preparing a pretreated polarized film by attaching the pretreated TAC film to both sides of a PVA film; forming the prepared pretreated polarized film into a lens shape; placing the formed pretreated polarized film on a mold for manufacturing a lens; injecting a polythiourethane-based resin into a lens manufacturing mold on which the pretreated polarized film is placed; and cooling the polythiourethane-based resin while the mold is fixed.
METHOD OF MANUFACTURING A SPECTACLE LENS
A method for manufacturing a spectacle lens having a lens substrate and at least one coating is disclosed. The method includes providing a lens substrate having an uncoated or precoated front surface and an uncoated or precoated back surface, applying at least one coating to at least one of the surfaces of the lens substrate, the surface of the at least one coating being modifiable when contacted with at least one medium able to modify the surface of the at least one coating, contacting the surface of the at least one coating, partially or completely, with the at least one medium, considering the individual peripheral refraction, obtaining the spectacle lens having the lens substrate and the at least one coating, the surface of the at least one coating being modified according to the individual peripheral refraction.
VAPOR DEPOSITION METHOD FOR COATING A SPECTACLE LENS, PHYSICAL VAPOR DEPOSITION SYSTEM AND CRUCIBLE FOR PHYSICAL VAPOR DEPOSITION
A coating of spectacle lenses is applied by physical vapor deposition (PVD). A method for physical vapor deposition includes: providing a crucible containing a first evaporation material and a second evaporation material, wherein the first evaporation material has a first vapor pressure and the second evaporation material has a second vapor pressure different from the first vapor pressure. A ratio of an exposed surface of the first evaporation material and an exposed surface of the second evaporation material in the crucible is adapted to counterbalance the difference in vapor pressure between the first and the second evaporation material. Concurrent evaporation of the first evaporation material and the second evaporation material from the same crucible take place. The disclosure further relates to a crucible for physical vapor deposition and a physical vapor deposition system in particular for coating an optical surface such as a spectacle lens.