Abstract: A mask and the design method thereof are provided. The mask includes a light-shielding area shielding off a light, wherein the light-shielding area includes a photonic crystal having a lattice constant, and a ratio of the lattice constant to a wavelength of the light is a specific value within a band gap of the photonic crystal.

Abstract: Disclosed is an electronic shielding light-transmitting member having an adhesive (2) and an electromagnetic shielding material (3) between two release films (1) and (4). By removing one of the release films (1) and (4) from the electronic shielding light-transmitting member and bonding the member to an optical filter or a plasma panel, there can be obtained an optical filter or a plasma panel having an electromagnetic shielding layer of excellent transparency.

Abstract: A digital radiography system, having: a pixelated optical detector; and a mask positioned adjacent to the pixelated optical detector, the mask comprising a repeating pattern of first and second portions configured to pass different wavelengths of electromagnetic radiation therethrough such that a polychromic X-ray image can be taken using only a single X-ray exposure with a single imaging detector.

Abstract: There are provided: a curable resin composition having a high exposure sensitivity and a good developing property, and thereby capable of forming an accurate and precise pattern; a liquid crystal panel substrate on which a protective film for covering a color layer or spacers for a liquid crystal layer, by using the curable resin composition, hardly causing a color irregularity and contrast irregularity; and a liquid crystal panel using the liquid crystal panel substrate and having a superior display quality. The curable resin composition of the present invention comprises: a copolymer (a) having a molecular structure in which a constitutional unit including an acidic functional unit and a constitutional unit including a photocurable functional group are linked at least; a photopolymerization initiator (h) having a tertiary amine structure; and a photocurable compound (c) having at least one acidic functional group and at least three photocurable functional groups.

Abstract: In a plasma display apparatus of the preset invention, a filter including an external light shielding sheet configured to shield externally incident light to the greatest extent possible is disposed at the front, thus effectively implementing a black image and improving the bright and dark room contrast. Furthermore, since the external light shielding sheet and an EMI shielding sheet are formed to be aligned, thereby sustaining the luminance of the screen.

Abstract: A device is described herein which may comprise an oscillator having an oscillator cavity length, Lo, and defining an oscillator path; and a multi-pass optical amplifier coupled with the oscillator to establish a combined optical cavity including the oscillator path, the combined cavity having a length, Lcombined, where Lcombined=(N+x)*Lo, where “N” is an integer and “x” is a number between 0.4 and 0.6.

Abstract: An optical filter for a display device includes a transparent substrate; an electromagnetic shielding layer in which a high refractive metal oxide layer and a metallic layer are layered, the electromagnetic shielding layer being layered on the transparent substrate; and a grounding conductive film layer for grounding the electromagnetic shielding layer, the a grounding conductive film layer being layered on the electromagnetic shielding layer. The optical filter can improve the ability to block electromagnetic waves.

Abstract: The design method for complex electromagnetic materials is expanded from form-invariant coordinate transformations of Maxwell's equations to finite embedded coordinate transformations. Embedded transformations allow the transfer of electromagnetic field manipulations from the transformation-optical medium to another medium, thereby allowing the design of structures that are not exclusively invisible. A topological criterion for the reflectionless design of complex media is also disclosed and is illustrated in conjunction with the topological criterion to design a parallel beam shifter and a beam splitter with unconventional electromagnetic behavior.

Abstract: An apparatus for absorbing a laser beam has an absorption surface on which the laser beam is incident and which absorbs the beam at least partially. The apparatus also has a cooling device for cooling the absorption surface and an optical device, such as in the form of a cylindrical lens, for expanding the laser beam before it is incident on the absorption surface. The apparatus may also have a beam splitter for attenuating a laser beam.

Abstract: Embodiments of spectral filters with dye-impregnated nano-spheres are described herein. Other embodiments may be described and claimed. In some embodiments, a spectral filter comprises a host material that includes a plurality of nano-particles embedded within. The particles include a dye having an absorption band of wavelengths and have a size selected to resonate at a range of wavelengths that is within the absorption band. The particles may be selected to resonate in either a plasmon mode or a whispering-gallery mode.

Abstract: An optical absorber includes vertically aligned carbon nanotubes with an ultra-low reflectance less than 0.16% and an absorption efficiency greater than 99.84%. The index of refraction and the absorption constant are controlled by independently varying the nanotube diameter and nanotube spacing. The nanotubes are mostly double-walled. The density of the nanotube arrays is very low, around 0.015 g/cm3.

Abstract: A color filter manufacturing method includes supplying different colored ink to cells on a substrate from nozzles based on drawing pattern data; determining whether any droplet ejection apparatus part is washed or exchanged, or a color filter size is changed; and if so, producing correction data for correcting the drawing pattern data. The correction data is produced by preparing a test substrate having cells corresponding to the cells of the substrate; supplying ink to predetermined test cells; and detecting an ink amount supplied to each test cell. The correction data is then used to adjust the ink droplets supplied to the color filter substrate cells to a target amount. The drawing pattern data is then corrected with the produced correction data; and the ink is supplied to the substrate cells using the corrected drawing pattern data to manufacture the color filter.

Abstract: An optical multilayer filter having an inorganic thin film composed of a plurality of layers on a substrate includes a fluorinated organic silicon compound film formed on a surface of the inorganic thin film, a low-density formation section forming a part of the inorganic thin film, having one or more layers including the most superficial layer of the inorganic thin film, the one or more layers being formed of at least one of a low-density titanium oxide layer and a low-density silicon oxide layer, and a high-density formation section forming another part of the inorganic thin film, disposed between the low-density formation section and the substrate, having silicon oxide layers with a density higher than the low-density silicon oxide layer and titanium oxide layers with a density higher than the low-density titanium oxide layer in a stacked manner. A total thickness of the low-density formation section is equal to or smaller than 280 nm.

Abstract: An optical filter including an adhesive layer attaining, in a single layer, both adhesiveness and desired optical filter function and hardly undergoing the change in spectral characteristic attributable to deterioration of a light absorbing agent, even after long-time use, particularly at high temperature under high humidity. The optical filter includes: (A) an acrylic copolymer containing (meth)acrylate having a hydroxyl group as a constituent, not containing a monomer having a carboxyl group and a monomer having an amide group as constituents, and substantially not containing a carboxyl group residue; (B) an isocyanate compound; and (C) one or more light absorbing agents each having light absorption in a predetermined wavelength range.

Abstract: A wavelength division image measuring device that can divide a wideband incident light from a measurement object into a plurality of wavelengths with high selectivity to thereby measure these images simultaneously and collectively. Micro periodic irregular lattices are formed on a substrate 302. At this time, a plurality of microscopic element areas 101 with different lattice shapes and lattice periods are repeatedly arranged within a plane of the substrate 302. Next, a high refractive index material and a low refractive index material are alternately laid thereon so as to form a multilayer using a bias spatter method to thereby form a wavelength filter 301 with a photonic crystal structure. Thus, an array of the photonic crystal wavelength filters 031 with a sharp selectivity and different wavelength transmission characteristics can be obtained.

Abstract: Disclosed is a near-infrared absorbing compound which does not contain antimony or arsenic, and has excellent stability, especially excellent heat resistance, light resistance and moist heat resistance. Also disclosed are a near-infrared absorbing filter, which is produced by using the near-infrared absorbing compound, and has excellent resistance such as light resistance and heat resistance, an optical filter and an optical recording medium. Specifically disclosed are a diimmonium compound represented by the formula (1) below and a near-infrared absorbing filter obtained by using such a diimmonium compound. Further specifically disclosed are a near-infrared absorbing filter wherein an adhesive layer containing the diimmonium compound is arranged on a transparent supporting body, and an optical filter using such a near-infrared absorbing filter.

Abstract: An embodiment of the invention provides a display filter, in which plural design patterns are independently illuminated and displayed and aesthetics is not lost during turn-off of a source light beam, and a display module provided with the display filter. The display filter includes plural design pattern filters and a blindfold filter. The blindfold filter is disposed on a visibility side opposite a light source, and the blindfold filter transmits source light beams having specific wavelength ranges which are transmitted through the design patterns respectively, and the blindfold filter absorbs light beams having wavelength ranges out of the specific wavelength ranges. Therefore, the blindfold filter is provided, whereby the design pattern can be illuminated and displayed when the light source is lit on, and the design patterns hardly visible to prevent deterioration of the aesthetics compared with a conventional technique when only an outer peripheral light beam exists while the light source is turned off.

Abstract: A light filter for use in an optical system for displaying image. The light filter comprising, a substantially transparent substrate and an optical coating applied to the substrate. The optical coating is applied to the substrate such that a percentage of light being directed through the filter that is attenuated varies based on a position on the substrate on which the light impinges.

Abstract: A novel optically anisotropic film is disclosed. The film is a film produced by irradiating a polymer film, comprising at least one photoreactive compound and at least one non-liquid crystalline polymer, with a light, thereby inducing or changing an optical anisotropy of the polymer film. A novel process for producing an optically anisotropic film is also disclosed. The process comprises irradiating a polymer film, comprising at least one photoreactive compound and at least one non-liquid crystalline polymer, with a light, thereby controlling an optical anisotropy of the polymer film.

Abstract: An incident-light controlling apparatus has a first aperture 103 formed in a substrate, and a diaphragm blade 201 (incident-light controlling means) which rotates around an axis of rotation as a center, and which controls light incident upon passing through the first aperture 103, by the diaphragm blade 201 rotating alternately between a first stationary position which coincides with the first aperture 103, and a second stationary position retracted from the first aperture 103, includes a permanent magnet 301 which is joined directly to the diaphragm blade 201, at a position of the axis of rotation of the diaphragm blade 201, and which is magnetized in a direction of a plane of rotation of the diaphragm blade 201, and a pair of coils 402 and 404, having a winding around cores 401 and 403 respectively, and disposed such that an end portion of each coil is facing the permanent magnet 301.

Abstract: A positive photosensitive resin composition with favorable heat resistance and transparency is provided. The photosensitive resin composition contains a resin component (A1) having a structural unit (a1?) obtained by substituting at least a portion of hydrogen atoms of phenolic hydroxyl groups within a structural unit represented by a general formula (a1) shown below with a naphthoquinone-1,2-diazide-5-(and/or -4-) sulfonyl group. (In the above general formula, R0 represents a hydrogen atom or methyl group, R1 represents a single bond or an alkylene group of 1 to 5 carbon atoms, R2 represents an alkyl group of 1 to 5 carbon atoms, a represents an integer from 1 to 5, b represents either 0 or an integer from 1 to 4, and a+b is no greater than 5. If two or more R2 groups exist, then these R2 groups may be either the same or mutually different.

Abstract: A method of producing organic nanoparticles, comprising: mixing a solution of an organic material dissolved in a good solvent with a solvent that is compatible with the good solvent but is a poor solvent for the organic material, to prepare a dispersion in which the organic material is being formed to organic fine particles of a size in the order of nanometer; wherein the dispersion contains a polymer compound having a weight-average molecular weight of 1,000 or more represented by the following formula (1): wherein R1 represents a (m+n)-valent connecting group; R2 represents a single bond or a divalent connecting group; A1 represents a specific monovalent organic group; when n is two or more, plural A1s may be the same or different; m represents 1 to 8; n represents 2 to 9; m+n is 3 to 10; and P1 represents a polymer compound residue.

Abstract: A lens (10) and a method for forming the lens (10). The lens (10) including a base (12) with plurality of nano-particles (14) therein. The base (12) is made of glass. The nano-particles (14) can filter infrared rays from incoming light and are evenly distribute throughout the base. The method for forming a lens includes: (1) preparing a glass pre-form (60) with nano-particles (14) for filtrating infrared rays; (2) pressing the glass pre-form (60) using a press mold machine (500) to mold a lens (10).

Abstract: The invention concerns a sensor that is photosensitive vis-à-vis at least part of the radiation in the infrared range and at least part of the radiation in the visible range. This sensor is provided with a filter affecting all or part of a receiving zone of the sensor and able to filter radiation in the wavelengths to which the sensor is sensitive according to a filtering level that varies locally.

Abstract: A color wheel comprises sectorial color filter segments and a support member. Protrusions are disposed at the support member and engaged with either through-holes or cavities as segment fixing mechanisms formed at the color filter segments, whereby the color filter segments are fixedly positioned with respect to the support member in the radial direction. Consequently, the color filter segments can be surely prevented from getting scattered off when the color wheel spins at high speed.

Abstract: An ND filter of a thin film type is formed on a transparent substrate, such that a light-absorbing film and a dielectric film are laminated on the transparent substrate. The transparent substrate is formed of a resin film which can be fed at a constant speed. The light-absorbing film is deposited by sputtering a target material comprised of a metal or a mixture of a metal and a metal oxide onto the resin film traveling at the constant speed while using a mixture gas of oxygen, nitrogen, and argon as an ambient gas. Consequently, the light-absorbing film is composed of a mixture of the metal and metal compounds, and has an extinction coefficient of 0.3 or more in a visible wavelength range. Typically, the light-absorbing film is composed of 1% through 50% by weight of the metal, 30% or more by weight of saturated metal oxide, and residual components composed of the compounds of the metal containing lower oxide and nitride of the metal.

Abstract: A composition for a filter material includes a dye and possibly a polymer host. The dye includes a Co(II) compound, a Ni(II) compound or a mixture thereof. Filter material can have a transmittance at 500 nanometers of at least 80% and a steep cutoff absorption band with a transmittance between 600 and 700 nanometers of no more than 10%.

Abstract: A near infrared ray absorbing filter is a film gained by biaxially oriented polyester having a near infrared ray absorbing agent, and the melting point of this polyester is no higher than 230° C. The optical filter for a plasma display is provided with a near infrared ray blocking layer made of polyester containing a near infrared ray absorbing agent and an image quality correcting layer made of polyester containing a compound which absorbs visible light having an absorption maximum wavelength in a range from 560 nm to 600 nm. These layers are layered through an integrated process by means of a co-extrusion method, according to which these layers are melted and extruded together from a co-extrusion process, and thus, a biaxially oriented film is formed. The melting point of the polyester in these layers is no higher than 230° C.

Abstract: A structure of color elements for a color filter. At least a first, second, and third color element are disposed in a delta-type arrangement. An overlapping portion is formed between two adjacent color elements to serve as a light-blocking area. At least one color element is octagonal, having four straight sides and four beveled sides.

Abstract: Absorber of solar vacuum tube, inserted into a glass tube all along its length together with not less than one header, led through a sealed end of the tube is accomplished as a one-part or multiple element of material with good thermal diffusivity, preferentially of a plate, with a coat of absorptive layer on the surface and it is square or wavy along the length. In the cross section, its each part has a shape of an opened or closed pattern, by which the circuit of cross section of the solar vacuum tube, limited by its inner diameter is individually or in connection with another part mostly or entirely filled up. Each part of the absorber is connected by means of one header at least.

Abstract: In a heat-radiating structure and a plasma display device including the same, an uneven shape is formed in a bed of a chassis base, and a heat sink is installed on a cover plate such that heat is radiated toward both sides of the cover plate. The heat-radiating structure includes: a signal transmission unit to which an integrated circuit is attached; a chassis having a bed for supporting the signal transmission unit formed therein; and a cover plate which covers the signal transmission unit and having a heat sink formed therein.

Abstract: Element for the protection and therapy of eyes applied to the transparent vertical surfaces of buildings. The invention is prepared by applying a yellow pigmented filter to the transparent or translucent surfaces of a building in which a subject may be found, and is designed to protect the eyes from the short wavelengths of the visible spectrum in the range 500 to 380 nm. The invention avoids the difficulties and risks of existing ways of protecting healthy eyes or eyes subjected to cataract surgery, and improves the protection of eyes suffering neurodegeneration, simply by applying a filter to the transparent or translucent surfaces of any building in which a subject may be found to provide protection against the neurodegenerative components of light (short wavelengths).

Abstract: Various embodiments of a system and method for producing a thin film filter are disclosed.

Abstract: A color wheel including a motor body, a housing, a spacer and a color filter. In this case, the housing is set to a side of the central axis of the motor body. The spacer is placed over the housing. The color filter is set on one side of the spacer, which is opposite the housing, so that there is a recess between the color filter and the housing.

Abstract: A filter which provides an excellent lightroom contrast by reducing external light reflection and a display apparatus including the same. The filter may be easily manufactured at low cost. The filter may be formed in a single sheet and may include a base film, a plurality of beads formed of a visible light-transmitting material disposed on a front surface of the base film, and a colored binder layer fixing the beads to the base film.

Abstract: A non-stoichiometric SiOXNY thin-film optical filter is provided. The filter is formed from a substrate and a first non-stoichiometric SiOX1NY1 thin-film overlying the substrate, where (X1+Y1<2 and Y1>0). The first non-stoichiometric SiOX1NY1 thin-film has a refractive index (n1) in the range of about 1.46 to 3, and complex refractive index (N1=n1+ik1), where k1 is an extinction coefficient in a range of about 0 to 0.5. The first non-stoichiometric SiOX1NY1 thin-film may be either intrinsic or doped. In one aspect, the first non-stoichiometric SiOX1NY1 thin-film has nanoparticles with a size in the range of about 1 to 10 nm. A second non-stoichiometric SiOX2NY2 thin-film may overlie the first non-stoichiometric SiOX1NY1 thin-film, where Y1?Y2. The second non-stoichiometric SiOX1NY1 thin-film may be intrinsic and doped. In another variation, a stoichiometric SiOX2NY2 thin-film, intrinsic or doped, overlies the first non-stoichiometric SiOX1NY1 thin-film.

Abstract: An optical filter and a lighting device using the same wherein the suppression of the melatonin secretion by the reception of light in the nighttime is prevented and the color of light is maintained desirable are provided. The optical filter has a mean transmissivity of a light beam in a wavelength range of about 480˜550 nm is about 30% or less. The optical filter is formed by at least molding a transparent resin and a resin composition material containing an orange color series fluorescent dye material, and, for 100 weight part of the transparent resin, the resin composition material containing about 0.005˜0.2 weight part of the orange color series fluorescent dye material is molded. This can prevent the suppression of the melatonin secretion in the nighttime. The color of light is maintained desirable. The optical filter may be applied to a lighting apparatus.

Abstract: Provided is an optical filter having a light-transmitting region of transmitting light having a predetermined wavelength and a light-blocking region disposed adjacent to the light-transmitting region to block out the light, wherein the light-blocking region has an optical density gradation relative to light in the normal direction, from the contact point to the light-transmitting region along an in-plane direction, and the optical density is the smallest at the contact point to the light-transmitting region.

Abstract: Disclosed is an optical filter for a display filter in which an adhesive layer excluding organic acidic substances is used, thereby achieving superior durability. The optical filter includes an anti-reflection film, a transparent substrate, a mesh film, and a color correction film. In this instance, an inorganic acidic adhesive layer is formed on a surface of at least one of the anti-reflection film, the mesh film, and the color correction film.

Abstract: An ND filter is composed of a transparent substrate, a laminate of a light-absorbing film and a dielectric film formed on the transparent substrate, and a carbon film formed to clad a surface of the laminate of the light-absorbing films and the dielectric films. Depending on cases, another carbon film is also formed on a reverse side of the transparent substrate. The carbon film is formed by a deposition process at a deposition temperature ranging from a room temperature to 150° C. The light-absorbing film is formed of a mixture of metal and compound thereof, a material of the metal being selected from a group consisting of Ti, Cr, Ni, NiCr, NiFe, and NiTi. The dielectric film is formed of SiO2 or Al2O3.

Abstract: A system for generating and transmitting energy and methods of manufacturing and using the same. The system for generating and transmitting energy includes prisms, lenses, mirrors, optical cables or optic conduits, heat filters, light filters, and electricity filters. The lenses comprise lens systems to capture electromagnetic signals (wave and particle) coming from any source of radiant energy, from one or more sources of light, from one or more reflective surfaces, or from any electromagnetic wave, long or short. Upon receiving the electromagnetic signals, the lens system multiple n times the intensity of the signals by a method of infinitesimal folding of signals, a method basically consisting of an over-concentration of signals folding onto themselves tenth to millionth times in order to produce substantially concentrated signals and to project the substantially concentrated signals into one single optical cable.

Abstract: An interference coating between a display and an intended viewing area that selectively absorbs incident optical energy in at least one first wavelength region and selectively transmits incident optical energy in at least one second wavelength region.

Abstract: A liquid crystal display includes: a color filter substrate; and a plurality of pixels formed in a matrix form on the color filter substrate, each pixel including a first red sub-pixel, a first green sub-pixel, a first blue sub-pixel, a pair of second red sub-pixel and third green sub-pixel, a pair of second green sub-pixel and third blue sub-pixel, and a pair of second blue sub-pixel and third red sub-pixel.

Abstract: An optical filter for filtering light rays having mutually different light intensity and direction of incidence on the optical filter along a number of mutually different directions and having a predetermined wavelength or wavelengths, has a carrier body which is transmissive for light rays having the predetermined wavelength or wavelengths and a plurality of photo-adaptive light-blocking elements distributed within the carrier body rendering the optical filter least transmissive in the direction along which the light ray having the highest light intensity is incident.

Abstract: Disclosed is an optical member for a display apparatus which includes a plurality of colorants. The optical member includes a neoncut colorant where the full width half maximum (FWHM) of the peak wavelength is about 35 nm or less, wherein a transmittance ratio (B/R) of blue light (B) with a wavelength of about 400 to 500 nm with respect to red light (R) with a wavelength of about 600 to 700 nm is about 0.84 or less.

Abstract: A thermally switched optical downconverting (TSOD) filter is a self-regulating device including a downconverter that converts incoming light at a variety of wavelengths into longer-wavelength radiation and then directs it using one or more bandblock filters in either the inward or outward direction, depending on the temperature of the device. This control over the flow of radiant energy occurs independently of the thermal conductivity or insulating properties of the device and may or may not preserve the image and color properties of incoming visible light. The TSOD filter has energy-efficiency implications, as it can be used to regulate the internal temperature and illumination of buildings, vehicles, and other structures without the need for an external power supply or operator signals. The TSOD filter also has aesthetic implications, since the device has unique optical properties that are not found in traditional windows, skylights, stained glass, light fixtures, glass blocks, bricks, or walls.

Abstract: The invention uses optically active dyes or other optically active materials to perform digital data processing and logic functions on optical data. The data is carried in pulses of photons of wavelengths appropriate to interact with the optically active materials to excite or de-excite them. The use of the invention in performing various optical processing functions is described.

Abstract: A component with a yellow pigment that absorbs light wavelengths in the range 500 to 380 nm is provided for transparent or translucent components of a vehicle in order to protect healthy eyes, pseudophakic eyes, and eyes with macular and retinal degeneration from harmful ultraviolet rays. The component may be in the form of a filter that is applied on or within these transparent or translucent components of the vehicle.

Abstract: A manufacturing method of a color filter comprising the following steps is provided. At first, a transparent substrate is provided. Next, a black matrix is formed on the transparent substrate to define a plurality of pixel areas on the transparent substrate. Then, an isolation layer is formed and patterned on the black matrix and then Red/Green/Blue color filter inks are filled into each of the pixel areas separately by inkjet printing. After that, the color filter inks are dried to form color filter units and optionally the isolation layer can further be patterned to form plenty of photo spacers on the black matrix. The isolation layers prevented the color filter inks from spilling out of the pixel areas and color mixing problems during color filter inkjet fabrication. Besides, it is characterized that the color filter units can be formed with even thickness.

Abstract: An absorptive layer is added to an image display system. The absorptive layer is selected to compensate for tint in a black state of a displayed image. In a Liquid Crystal On Silicon (LCOS) based light engine, blue wavelengths may cause a predominate tint in black portions of an image (or an entirely black image is tinted blue), and the absorptive layer is calculated to absorb an amount of blue equivalent to the tint. The absorptive layer is, for example, an unbalanced magenta dichroic, or a yellow filter. The yellow filter may be placed at any point in the light chain, including input/output of a kernel, input/output of a projection lens, or portions of a light engine or display screen. An unbalanced magenta may be constructed by adding a yellow filter to an existing magenta dichroic in the kernel design.