Abstract: An optical device including: an optical substrate provided with selective optical filtering element configured to selectively inhibit transmission, through the optical substrate of at least one selected range of wavelengths of incident light in the visible light spectrum at an inhibition rate of at least 5%, the selective optical filtering element being further configured to transmit at least 8% of incident light of the visible spectrum outside the at least one selected range of wavelengths; wherein the at least one selected range of wavelengths has a bandwidth in a range of from 10 nm to 70 nm, preferably 10 nm to 60 nm centered on a wavelength within a range of between 430 nm and 465 nm.

Abstract: There is provided a filter for filtering electromagnetic radiation, wherein said filter is arranged to transmit electromagnetic radiation of a first predetermined wavelength and to block transmission of electromagnetic radiation of a second, different predetermined wavelength; said filter comprising a first metamaterial. Optionally, the metamaterial may be formed of a plurality of material elements wherein each material element is at least one-dimensional and the size of the material element along each dimension is no greater than the size of the second predetermined wavelength. The filter comprises a second metamaterial arranged to provide second filtering of electromagnetic radiation.

Abstract: Described herein are devices, compositions, and methods for improving color discernment.

Abstract: When a large-screen organic EL display device is developed, the generation of a brightness unevenness is prevented between its screen central region and its screen outer circumferential region. Cost risk is decreased about the formation of a structure of preventing the generation of the brightness unevenness. Furthermore, an original protecting function for its organic EL elements is maintained. The color filter of the present invention comprises a transparent substrate, a colored layer that is a pixel region formed on the transparent substrate, and a non-pixel area formed around the colored layer, wherein a convex pillar is formed in at least one spot of the non-pixel area, and an auxiliary electrode layer on a top and a side of the convex pillar, and on the non-pixel area.

Abstract: A filtering media for refrigerated display merchandiser for use with a refrigerated food merchandiser and which is ordinarily exposed to prevailing ambient light. The filtering media is at least a partial a cylindrical element that encircles a fluorescent light or LED light strip disposed within the merchandiser. A translucent sheet which functions as filter media to prevent harmful light from reaching the foods stuffs is disposed about the cylindrical element. The sheet is held in position via an arcuate element or with other means that retains the sheet in position. More than one sheet can be positioned on the cylindrical element which, itself, may be either transparent or translucent.

Abstract: Optical spectrum filtering devices displaying minimal angle dependence or angle insensitivity are provided. The filter comprises a localized plasmonic nanoresonator assembly having a metal material layer defining at least one nanogroove and a dielectric material disposed adjacent to the metal material layer. The dielectric material is disposed within the nanogroove(s). The localized plasmonic nanoresonator assembly is configured to funnel and absorb a portion of an electromagnetic spectrum in the at least one nanogroove via localized plasmonic resonance to generate a filtered output having a predetermined range of wavelengths that displays angle insensitivity. Thus, flexible, high efficiency angle independent color filters having very small diffraction limits are provided that are particularly suitable for use as pixels for various display devices or for use in anti-counterfeiting and cryptography applications.

Abstract: An optical filter which minimizes color shift, increases brightness and improves visibility and an organic light-emitting display having the same. The optical filter includes a micro pattern film disposed on an organic light-emitting panel. The micro pattern film includes a base material and a micro pattern engraved from the surface of the base material that adjoins the organic light-emitting panel. The micro pattern has a plurality of engraved shapes with a non-circular cross-section which has a depth greater than a width.

Abstract: An exposure method is provided. In (a) of FIG. 8, exposure is performed while a substrate 20 is being transported in the Y direction, to simultaneously form first layers 81 and layers 91 in first non-display regions 51 and the display region, respectively, on the substrate 20. Next, in (b) of FIG. 8, the substrate 20 is rotated by 90 degrees, and exposure is performed while the substrate 20 is being transported in the X direction, to form second layers 82 in second non-display regions 52. Subsequently, in (c) of FIG. 8, proximity exposure is performed once on the substrate 20 to simultaneously form third layers 83 on the first layers 81 in the first non-display regions 51, fourth layers 84 on the second layers 82 in the second non-display regions 52, and layers 92 in the display region 40.

Abstract: A color filter substrate includes a second base material, a stopper film provided on the second base material, an insulating film including color filter grooves provided on the stopper film, and color filters provided so as to embed the color filter grooves.

Abstract: A color filter used for a display element formed in combination with a display layer that displays white and black, includes only a first subsidiary pixel displaying a first color as a coloring pixel, and a second subsidiary pixel displaying a second color being a complementary color of the first color.

Abstract: A reflective color filter comprises a medium grating layer (220), a metal layer (230), and a first medium layer (240). The metal layer is provided on the ridge portion, at least one side portion, and a part of the groove portion of the medium grating layer. The first medium layer reflecting outside light is provided on the medium grating layer and the metal layer. Because a part of the medium grating layer is exposed through an opening of the metal layer on the groove portion, the angular sensitivity of the resonance output is reduced, and the influence of the incident angle on the resonance condition is diminished. Therefore, a reflection filtering can be realized in a wide angular area.

Abstract: The present invention provides a melatonin suppression extent measuring device, which is able to receive and process a light signal to a spectral data, process the spectral data to a percent value of melatonin suppression based on a reference wavelength parameter and a reference quanta parameter through a conversion module, and display the percent value of melatonin suppression; therefore, users can exactly know how many melatonin suppression extent are caused by the light environment which is exposing themselves body.

Abstract: Photonic nanostructures, light absorbing apparatuses, and devices are provided. The photonic nanostructures include a plurality of photonic nanobars configured to collectively absorb light over an excitation wavelength range. At least two of the photonic nanobars of the plurality have lengths that are different from one another. Each photonic nanobar of the plurality has a substantially small width and a substantially small height relative to the different lengths. A method for forming such may comprise forming a plurality of first photonic nanobars comprising a width and a height that are smaller than a length of the plurality of first photonic nanobars, and forming a plurality of second photonic nanobars comprising a width and a height that are smaller than a length of the second photonic nanobar, wherein the lengths of the plurality of first photonic nanobars and the lengths of the plurality of second photonic nanobars are different from one another.

Abstract: A set of filters for fluorescence observation comprises an illumination light filter and an observation light filter, wherein the following is holds: ? S ? T L ? ( r -> ) · T O ? ( r -> ) · r -> · ? r ? S ? T L ? ( r -> ) · T O ? ( r -> ) · ? r = R -> ? ? and ( 3 ) ? W -> - R -> ? ? 0.2 ; ( 4 ) wherein: ? designates the wavelength, TL(?) is the transmission characteristic of the illumination light filter, TO(?) is the transmission characteristic of the observation light filter, and A1, A2 are numbers between 0 and 1, {right arrow over (r)} is a coordinate in the CIE xy chromaticity diagram of the CIE 1931 XYZ color space, S is a line called the spectral locus in the CIE xy chromaticity diagram of the CIE 1931 XYZ color space, and {right arrow over (W)} is the white point in the CIE xy chromaticity diagram of the CIE 1931 XYZ color space.

Abstract: A display panel includes a color filter substrate and an array substrate. The color filter substrate includes a transparent substrate and a touch electrode layer. The touch electrode layer includes a sensing electrode and a driving electrode disposed on opposite sides of the transparent substrate. The sensing electrode includes a plurality of striped sub-electrodes having random shapes and disposed along a first direction and spaced apart from each other in a second direction by a spacing. The first direction is perpendicular to the second direction. Each of the sub-electrodes has a width of about 3 micrometers and a resistance value that varies within 25 percent of a predetermined resistance value. The sensing electrode has a width of 4 to 5 millimeters.

Abstract: A UVB-visible hybrid system and method for visualizing a scene comprising one of more terrestrial corona discharge(s) and one or more objects is disclosed. On the UVB channel, an object-devoid UVB image of at least a portion of the scene is generated using UVB light which passes though a corona-peak tuned optical filter configured to filter out sufficient non-terrestrial-corona light so that the generated UVB image is object-devoid. The object-devoid UVB image is analyzed to classify pixels thereof as corona-discharge pixels or non-corona-discharge pixels. When a derivative of the object-devoid UVB image superposed with a visible-band image of the scene is displayed on a display device, the pixels classified as corona-discharge are displayed at increased visibility, while the pixels classified as corona-discharge are displayed at decreased visibility. In some embodiments, the optical filter has an average optical density over the [290 nm, 700 nm] spectrum of at least 4.

Abstract: The present invention provides a color filter substrate, manufacturing method thereof and liquid crystal panel. The manufacturing method includes coating sequentially second photo-resist, third photo-resist and fourth photo-resist and performing respective exposure development to form RGB color-resist layer and form at least a protruding column on the BM layer; wherein the protruding column being formed by at least one of the three exposure developments; and forming common electrode layer covering RGB color-resist layer and the protruding column exceeding above top surface of the common electrode layer. As such, the present invention reduces the number of required lithography processes, simplifies the manufacturing process of color filter substrate and liquid crystal panel so as to reduce manufacturing cost.

Abstract: A variable transmission medium having a plurality of patterned surfaces disposed on light-transmissive material and separated by an inter-surface gap enabling regulation of light transmission by a change in angle of incident or viewing.

Abstract: A color filter substrate is provided that allows the realization of a liquid crystal display device having excellent display quality and generating no noticeable display unevenness. On a color filter substrate, a lattice-shaped black matrix is formed, and a plurality of colored pixels are formed in matrix. The maximum value of the differences between the overlap widths Wa (or Wb) in the row direction between first colored layers and the black matrix in an area exposed through a photomask, and the overlap widths Wg (or Wh) in the row direction between second colored layers and the black matrix in an area exposed through another photomask, is 4 ?m or less. Further, the maximum value of overlap widths Wa to Wl in the row direction between all of the colored pixels and the black matrix is 8 ?m or less.

Abstract: An ND filter that enables relatively easy control of light quantity when used in an iris device and realizes excellent optical performance. The ND filter has a first region having an ND film with a uniform density, a second region having an ND film with a uniform density different from the density of the first region, and a density transition region provided between the first region and the second region. The density transition region has an ND film whose density changes continuously from the density of the first region to the density of the second region.

Abstract: The present disclosure describes systems, methods, and apparatus for reducing the frequency and/or severity of photophobic responses or for modulating circadian cycles by controlling light exposure to melanopsin ganglion cells in a retina over the action potential spectrum of the melanopsin cells of the human eye and a visual spectral response of the human eye. Embodiments of an optical filter are described. In one embodiment an optical filter may be configured to transmit less than a first amount of light weighted across the action potential spectrum of the melanopsin cells and to transmit more than a second amount of light weighted across the visual spectral response. Methods of manufacturing optical filters are also described.

Abstract: An optical filter that transmits light of the visible light region includes a dielectric substrate; a dielectric layer that is formed on a surface of the dielectric substrate; and a first metal structure group in which a plurality of first metal structures are arranged two-dimensionally in an isolated state in the in-plane direction of the dielectric substrate, that is provided between the dielectric substrate and the dielectric layer, comprising: the first metal structures having first and second lengths in first and second directions orthogonal to each other, which lengths are equal to or less than a first wavelength in the visible light region; and a transmittance of the first wavelength being reduced or a reflectance being increased by surface plasmons induced on a surface of the first metal structures by resonance between light incident on the dielectric substrate or the dielectric layer and the first metal structures.

Abstract: To obtain a water-resistant polarizing film free from deterioration in dichroic ratio caused by water-resistant treatment, it is critical that adjacent sulfonic acid groups or sulfonate groups in the organic dyes to be used for the polarizing film are spaced at moderate intervals.

Abstract: The invention is directed to a colored composition containing a coloring agent and a resin, wherein a content of the coloring agent to a total solid content of the colored composition is 50% by weight or more and a solid content acid value of the resin is more than 80 mg KOH/g, and a method of producing a color filter including forming a first colored layer containing a first colored composition and patterning with dry etching so as to from a through-hole group in the first colored layer, wherein the first colored composition is the colored composition as defined herein.

Abstract: A lens module includes an optical element and an infrared absorbing filter covering on the optical element. The infrared absorbing filter includes an electrochromic substrate. The electrochromic substrate changes from colorlessness to blue and absorbs the infrared constituent of incoming light when a preset voltage is applied on the electrochromic substrate.

Abstract: A color filter array includes a substrate, a light shielding layer, and color filter patterns. The light shielding layer is on the substrate and has openings exposing a surface of the substrate. Besides, the light shielding layer has a height H. The color filter patterns are located in the openings of the light shielding layer. Each color filter pattern has the maximum film thickness Lc and the minimum film thickness Ls, and the difference between the maximum film thickness Lc and the minimum film thickness Ls is ?L. The maximum film thickness Lc of each color filter pattern satisfies (m×H)<Lc<(n×H), wherein m comprises about 0.83, n comprises about 0.91, the height H of the light shielding layer satisfies a<H<b, wherein a comprises about 1.6 um and b comprises 2.22 um, and the difference ?L is less than about 0.39 um.

Abstract: A fluorescence observation system, a method for performing a fluorescence observation, and a set of filters that can be used in such system and method are provided.

Abstract: A non-dichroic omnidirectional structural color multilayer structure. The non-dichroic omnidirectional structural color multilayer structure has an absorbing layer, a first layer extending across the absorbing layer, and a second layer extending across the first layer. The multilayer structure can reflect a narrow band of electromagnetic radiation that has a width of less than 500 nanometers and a center wavelength shift of less than 200 nanometers when the multilayer structure is viewed from angles between 0 and 45 degrees. In addition, the absorbing layer can block electromagnetic radiation reflected off of a surface that is proximate to the multilayer structure and thereby afford for a “pure” color that is not contaminated by reflected light from surrounding surfaces.

Abstract: Color correction system for an automated stage light that allows the color temperature of the light beam to be continuously adjustable to both a higher and lower Kelvin value than the natural temperature of the open beam, by filtering using a dual peak filter and also color correcting the beam.

Abstract: A method for manufacturing a color filter, the color filter, and a display device. The method for manufacturing the color filter includes: forming multiple transparent columnar objects in a pixel area of a substrate; forming on the substrate having formed thereon the transparent columnar object a black array that encircles to form the pixel area; and forming pixel resin layers in the pixel area, where the transparent columnar objects protrude outwards from the pixel resin layers to serve as columnar spacers. This allows for accurate control of the aperture size and aperture area of pores in the pixel area of the color filter.

Abstract: Disclosed are a colour filter substrate, a manufacturing method therefor and a 3D display device. The colour filter substrate comprises a substrate, a colour filter unit and a cylindrical lens structure between the substrate and the colour filter unit.

Abstract: This invention concerns a polymer coating material composition (PCM) comprising as components a Polymer Matrix, carbon nanotubes (CNT) as optical power limiters (OPL), and carbon-rich molecules. One aspect of the invention is where the Polymer Matrix is a hyperbranched polymer, such as a hyperbranched polycarbosiloxane polymer. Another aspect of the invention is where the CNT is a short multiwall carbon nanotube (sMWNT). A further aspect of the invention is where the carbon-rich molecules are triethoxysilyl anthracene derivatives. The composition wherein the ratio in weight percent of Polymer Matrix to CNT to carbon-rich molecule is from 94:3:3 to 99.8:0.1:0.1. The composition can further contain one or more of multi-photon absorbers (MPA) chromophores or reverse saturable absorbers (RSA) chromophores. These compositions can be used as: a) a film, b) a coating, c) a liquid, d) a solution, or e) a sandwiched film between two transparent substrates.

Abstract: This invention concerns a polymer coating material composition (PCM) comprising as components a polymer matrix, carbon nanotubes (CNT) as optical power limiters (OPL), and carbon rich molecules. One aspect of the invention is where the Polymer Matrix is a hyperbranched polymer, such as a hyperbranched polycarbosiloxane polymer. Another aspect of the invention is where the CNT is a short multiwall carbon nanotube (sMWNT). A further aspect of the invention is where the carbon-rich molecules are triethoxysilyl anthracene derivatives. The composition wherein the ratio in weight percent of Polymer Matrix to CNT to carbon-rich molecule is from 94:3:3 to 99.8:0.1:0.1. The composition can further contain one or more of multi-photon absorbers (MPA) chromophores or reverse saturable absorbers (RSA) chromophores. These compositions can be used as: a) a film, b) a coating, c) a liquid, d) a solution, or e) a sandwiched film between two transparent substrates.

Abstract: A light-altering filter for use by military and law-enforcement personnel in lowlight environments is disclosed. The filter can be placed between a lit computer monitor screen and the face of the computer user. Light coming from the monitor screen is modified by the filter so that the night vision capabilities of the computer user are not adversely affected, and splash-back reflective illumination of the user is minimized.

Abstract: Disclosed herein are a near-infrared absorbing and color compensation film composition and a film using the film composition. The film composition comprises i) at least one colorant selected from the group consisting of an ionic compound of a near-infrared absorbing cyanine colorant cation having a maximum absorption wavelength in the range of 820 nm to 950 nm and a metal complex colorant anion, an ionic compound of a near-infrared absorbing diimmonium colorant cation having a maximum absorption wavelength in the range of 950 nm to 1,100 nm and a metal complex colorant anion, and an ionic compound of a selective visible light absorbing cyanine colorant cation having a maximum absorption wavelength in the range of 580 nm to 600 nm and a metal complex colorant anion, and ii) an adhesive; and a film using the film composition. When the film composition is used to produce an adhesive film or an antireflective composite film, the price of raw materials used and the number of production steps can be reduced.

Abstract: There is provided an optical filter of the type having absorption and with low reflection, which includes a light-transmitting substrate; and a light-absorbing gradient refractive index thin film provided on the substrate and whose refractive index changes so as to be close to the refractive index of the substrate toward the substrate side in a film thickness direction. There is also provided an optical apparatus using the optical filter.

Abstract: A color filter substrate includes a plurality of color filters and a first dummy pattern. The color filters are formed in a display area. The color filters include a plurality of colors. The first dummy pattern is formed in a peripheral area surrounding the display area. The first dummy pattern has a color identical to one of the colors. An edge portion of the first dummy pattern corresponding to an apex of the display area is rounded. Therefore, the reliability of a color filter manufacturing process may be improved, the reliability of the color filter may be improved, and the generation of stain defects having a radial shape may be prevented, so that display quality may be improved.

Abstract: A thin-film layer structure (100) includes a substrate (102), a plurality of banks (104) with a roughly same height formed on the substrate, and a plurality of thin-film layers (106). The plurality of banks defines a plurality of spaces therein, and the plurality of spaces is arranged in rows and columns. A volume distribution of the plurality of spaces receiving the thin-film layers made of a same material in each row is irregular. A method for manufacturing a thin-film layer structure is also provided.

Abstract: Embodiments of the invention provide a color filter substrate, a liquid crystal panel and a liquid crystal display device. The color filter substrate comprising a substrate; a plurality of sets of electrode structure formed on a side of the substrate, each set of electrode structure comprises a pixel electrode and a common electrode for generating a horizontal electric field between the pixel electrode and the common electrode by applying a voltage.

Abstract: An optical element includes a separation section that can separate incident light according to a wavelength. The separation section has an optical characteristic in which incident light in a first wavelength band is reflected, incident light in a second wavelength band is transmitted, and incident light in a third wavelength band is partially transmitted and partially reflected.

Abstract: Color correction system for an automated stage light that allows the color temperature of the light beam to be continuously adjustable to both a higher and lower Kelvin value than the natural temperature of the open beam, by filtering using a dual peak filter and also color correcting the beam.

Abstract: An optical filter having improved visibility under external light and an organic light-emitting device including the same.

Abstract: A display panel including an active device array substrate, a color filter and a display medium layer is provided. The color filter is disposed above the active device array substrate and includes a substrate and a yellowish photoresist. The yellowish photoresist is disposed between the substrate and the active device array substrate. The yellowish photoresist includes a first fluorescent material, and the optical transmittance in the optical transmitted spectrum of the yellowish photoresist corresponding to the wavelength between 600 nm and 800 nm is greater than 1. The display medium layer is disposed between the active device array substrate and the color filter.

Abstract: Laser or narrow band light sources are utilized to from left (R1, G1, B1) and right (R2,G2;B2,) images of a 3D projection. Under off -axis viewing of projections (i.e. oblique incident angles) the passbands of the viewing filters in the glasses are blue-shifted, which has the potential of cause crosstalk and/or loss of energy/brightness in any channel or color. This blue-shift is compensated via the combined use of any of viewing passbands (220) encompassing the associated projected lightband (222) and a red-shift passband (224) selection of passband wavelengths that maximize usability of the passband as it “shifts” due to varying or increasing angles of off-axis viewing), curvature of viewing filters, and guard bands between light bands of adjacent channels. Implemented with any number of light sources, additional light sources are utilized to affect a desirable increase in color gamut.

Abstract: A low-cost, high-definition color conversion layer is made using the ink jet method, with the layer having a consistent thickness and not bleeding into adjacent subpixels. A color conversion filter (1000) is characterized by being formed with a bank layer (60) that has a plurality of gently-curved protrusions (63), each of which has a first portion (61) and a second portion (62).

Abstract: There is provided a method for producing a polarizing film having far superior water resistance to conventional polarizing films by contacting a liquid containing cationic polymers with a surface of a polarizing film.

Abstract: A projector includes: an illumination device including plural solid-state light sources, plural collimator lenses that are provided to correspond to the plural solid-state light sources and substantially parallelize lights generated in the plural solid-state light sources, respectively, a focusing system that focuses the lights from the collimator lenses on a predetermined focusing position, and a diverging light generation part that is located near the focusing position and generates diverging light in an incident region where the light from the focusing system enters; a light modulation device that modulates the light from the illumination device in response to image information in a light modulation region; and a projection system that projects the light from the light modulation device, wherein an area of the incident region in the diverging light generation part is equal to or less than 1/102th of an area of the light modulation region in the light modulation device.

Abstract: A phosphor wheel includes a glass, a first phosphor agent and a first filter. The glass has a first region and the first phosphor agent is coated on the first region for converting a first color light into a second color light. The first filter is disposed next to the first region for filtering at least a portion of the first color light and a first light beam of the second color light, so that a second light beam of the second color light is transmitted through the first filter. The second color light is yellow light, the first phosphor agent is yellow phosphor agent, and the first filter is a red light filter. The present invention achieves the advantages of decreasing the fabricating cost, increasing the brightness of the red light with increasing of driving current and the whole brightness of the illumination system, and improving the image quality.

Abstract: A radiation-protection device is provided that includes a substrate and a surface structure formed on the substrate. The surface structure has an arrangement and interacts with radiation and the substrate to at least (a) substantially transmit or attenuate radiation at a wavelength and an energy below a threshold energy, and (b) substantially reflect radiation at the wavelength and an energy above the threshold energy.

Abstract: An optical filter includes a substrate, and a periodic structure in which a plurality of members formed of silicon are periodically arranged on a surface of the substrate. The filter selectively transmits light of a first wavelength included in light incident on the periodic structure in the direction of the substrate. The members are two-dimensionally arranged with a period of 400 nm to 500 nm. The dimension of the members in the direction parallel to the surface is of 120 nm to 160 nm. A local maximum value of the transmission spectrum of the first wavelength is within the range of 400 nm to 500 nm.