Patent classifications
B29D11/00634
Functional sheet including polyester resin, and lens using functional sheet
The present invention provides a functional sheet including a functional layer provided between protective layers. The functional layer is a polarizing film layer, a photochromic layer, or a combination of the polarizing film layer and the photochromic layer. At least one of the protective layers includes a layer formed of a resin (C) containing a polyester resin (A) obtained as a result of polycondensation of 1,4-cyclohexanedimethanol and 1,4-cyclohexanedicarboxylic acid and an aromatic polycarbonate resin (B), the polyester resin (A) being contained at a content of 10 to 100 parts by mass and the aromatic polycarbonate resin (B) being contained at a content of 0 to 90 parts by mass with respect to 100 parts by mass as a total of the polyester resin (A) and the aromatic polycarbonate resin (B). A lens is provided with such a functional sheet.
ELECTROCHROMIC DEVICE AND METHOD FOR MANUFACTURING ELECTROCHROMIC DEVICE
The invention relates to devices that provide a color change under the influence of an electric voltage, in particular to an electrochromic device and a method for manufacturing such a device. Disclosed is the method for manufacturing an electrochromic device comprising at least two electrodes that are flexible and optically transparent with a hermetically closed space between the electrodes filled with an electrochromic composition that may contain transparent and insoluble microparticles that function as spacers.
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.
METHODS FOR THE MANUFACTURE OF PHOTOABSORBING CONTACT LENSES AND PHOTOABSORBING CONTACT LENSES PRODUCED THEREBY
Provided is a method for manufacturing photoabsorbing contact lenses and photoabsorbing contact lenses produced thereby. The method comprises: (a) providing a mold assembly comprised of a base curve and a front curve, the base curve and the front curve defining and enclosing a cavity therebetween, the cavity containing a reactive mixture, wherein the reactive mixture comprises at least one polymerizable monomer, a photoinitiator which absorbs at an activating wavelength, and a photoabsorbing compound which displays absorption at the activating wavelength; and (b) curing the reactive mixture to form the photoabsorbing contact lens by exposing the reactive mixture to radiation that includes the activating wavelength, wherein the radiation is directed at both the base curve and the front curve of the mold assembly, and wherein the radiation's radiant energy at the base curve is greater than the radiation's radiant energy at the front curve.
Method for manufacturing lens for electronic spectacles, lens for electronic spectacles, and electronic spectacles
A first recess (102) of a lower substrate (100) is coated with conductive ink to form a first auxiliary electrode layer (104), a lower electrode pattern (105) is formed thereon by vacuum deposition, a second recess (202) of an upper substrate (200) is coated with the conductive ink to form a second auxiliary electrode layer (204), an upper electrode pattern (205) is formed thereon by vacuum deposition, the upper and lower substrates are bonded to each other with an electric element (300) interposed between the lower substrate (100) and the upper substrate (100), and the upper and lower substrates are cut at positions on the overlap portion of the first auxiliary electrode layer (104) and the lower electrode pattern (105) and the overlap portion of the second auxiliary electrode layer (204) and the upper electrode pattern (205) so as to expose the cut surfaces of the substrates.
Apparatuses and methods for blue-cut lenses
A blue-cut wafer can be coupled to a lens, such that the blue-cut wafer can be configured to reduce by absorption at least a portion of light having a first wavelength range from 400 nanometers to 500 nanometers, preferably from 400 nanometers to 460 nanometers. The blue-cut wafer can permit light having a second wavelength range, the second wavelength range being greater than the first wavelength range, and homogenize a color appearance and a blue-cut performance level of the blue-cut wafer based on the blue-cut wafer having a maximum thickness and a minimum thickness within twenty percent of a nominal thickness of the blue-cut wafer.
NEAR INFRARED LIGHT-CUTTING OPTICAL ARTICLES WITH LOW RESIDUAL COLOR
The present invention relates to an optical article having a substrate made of an optical material comprising a polymer matrix and at least one near infrared absorber, wherein T.sub.VIS is higher than or equal to 70%, T.sub.NIR is lower than or equal to 85%, T.sub.NIR and T.sub.VIS being respectively the average optical transmittance in the 780-1400 nm and in the 380-780 nm wavelength range for the optical material through a 2 mm thick layer of said optical material. This optical article can be used to protect from noxious infrared light.
Electrochromic device and method for manufacturing electrochromic device
The invention relates to devices that provide a color change under the influence of an electric voltage, in particular to an electrochromic device and a method for manufacturing such a device. Disclosed is the method for manufacturing an electrochromic device comprising at least two electrodes that are flexible and optically transparent with a hermetically closed space between the electrodes filled with an electrochromic composition that may contain transparent and insoluble microparticles that function as spacers.
Blue light-blocking structure and manufacturing method thereof, display device and operation method thereof
A blue light-blocking structure and manufacturing method thereof, a display device and an operation method thereof are provided. The blue light-blocking structure includes a first transparent dielectric layer, a second transparent dielectric layer and an electro-refractive index adjusting layer. The second transparent dielectric layer is provided on a side of the first transparent dielectric layer. The electro-refractive index adjusting layer is provided between the first transparent dielectric layer and the second transparent dielectric layer. The electro-refractive index adjusting layer is configured to change the refractive index to the blue light transmitted through the electro-refractive index adjusting layer under the action of an electrical field applied between a first side of the electro-refractive index adjusting layer near the first transparent dielectric layer and a second side near the second transparent dielectric layer.
TRANSMITTANCE VARIABLE FILM, MANUFACTURING METHOD AND USE THEREOF
The present application relates to a transmittance variable film, a method for producing the same, and a use thereof. The transmittance variable film of the present application can solve the drive unevenness phenomenon by adjusting the pre-tilt of the opposite alignment film of the alignment film to which the ball spacer is fixed to minimize the reverse tilt occurring upon on-off driving. The transmittance variable film of the present application can be used as sunroofs.