Abstract: The invention relates to an optical filter which comprises at least one optically effective layer and a protective layer on both sides, with at least one of the protective layers being a non-stretched protective polyamide layer which is cast from the solution. The optical filter in accordance with the invention is characterized in that the at least one protective polyamide layer consists of PA MACMI/12 and optional aggregates chosen as required. The at least one protective polyamide layer has a content of laurolactam of 23 mole percent to 57 mole percent in relation to the entire polyamide.

Abstract: A grating of the present invention has a groove cross section shaped, for example, like a sinusoidal wave or a sawtooth other than a laminar shape, and a groove bottom part shaped as a flat form. In a region wherein the groove cycle and the used wavelength are the same degree for wavelengths from near infrared to infrared, the grating of the present invention has the excellent spectrum performance (high efficiency in balance in a wide wavelength zone) more than a holographic grating and an echellette grating in related arts. When replicas for the grating of the present invention are manufactured, the engagement force of grooves with each other is small as the groove aspect ratio is small, and a release agent sufficiently reaches the groove bottom as the groove bottom is large.

Abstract: It is to suppress the interference of the reflected light easily and securely even in a highly fine liquid crystal display device. The reflection plate comprises recessed or protruded parts and a reflection film formed over the recessed or protruded parts. A unit shape of the recessed or protruded parts is a polygon, an arbitrary point other than a centroid of the polygon that constitutes the recessed or protrude part is placed at a position that meets with an orderly-mannered lattice point as an origin, and each of the unit-shape polygons is arranged at a position that is rotated randomly with respect to the origin.

Abstract: A fabrication method is provided which makes it possible to obtain a microlens that is more tightly spaced (the space between individual microlenses is smaller) than in the related art, even when the same fabrication process as that in the related art is used. The present invention provides a mask used for fabrication of a microlens to irradiate a photosensitive microlens material on a substrate with a patterned light beam, including a main layout, and a sub-layout provided around the main layout, in which when the mask is irradiated with a light beam, a first beam pattern is obtained by the main layout at a position corresponding to a center portion of the microlens, and a second beam pattern separated (resolved) from the first beam pattern is obtained by the sub-layout around the first beam pattern.

Abstract: An optical body includes a first optical layer having a random concave-convex surface, a reflecting layer formed on the concave-convex surface, and a second optical layer formed on the reflecting layer to embed the concave-convex surface, wherein the reflecting layer is a wavelength-selective reflecting layer for diffusely reflecting, of incident light, light in a specific wavelength band and transmitting light other than the specific wavelength band therethrough.

Abstract: A method for fabricating an image sensor device is disclosed. The method for fabricating an image sensor device comprises forming a photosensitive layer on a substrate. The photosensitive layer is exposed through a first photomask to form an exposed portion and an unexposed portion. The unexposed portion is partially exposed through a second photomask to form a trimmed part, wherein the second photomask comprise a first segment and a second segment that has a transmittance greater than that of the first segment. The trimmed part is removed to form photosensitive structures. The photosensitive structures are reflowed to form a first microlens and a second microlens having different heights.

Abstract: An in-line process for making a thin film electronic device on a substrate is described comprising the steps of: a) depositing a structurable layer onto a substrate; b) depositing a patternable material onto the structurable layer in a first pattern; and c) etching the structurable layer in areas uncovered by the patternable material. The steps are carried out without intermediate exposure of the substrate to ambient air.

Abstract: A device for calibrating an optical scanner includes a substrate; and a pattern disposed on the substrate, the pattern comprising a photoresist.

Abstract: A phase-type diffraction device includes a substrate having a front surface and a solidified liquid crystal layer formed on the front surface of the substrate and constituted by a continuous film containing at least a liquid crystal compound. The solidified liquid crystal layer is constituted by first, second and third regions arranged periodically, the third region being interposed between the first region and the second region. The first region is optically anisotropic and the second region is optically isotropic, the third region is not optically isotropic, a degree of orientation of mesogens of the liquid crystal compound being lower than that of the first region. An in-plane average refractive index ni of the second region is different from an in-plane average refractive index na of the first region and an in-plane average refractive index nm of the third region is between ni and na.

Abstract: An exemplary method for making an alignment mark on a substrate includes the following steps. First, a substrate with a recess is provided. Second, a photoresist layer is formed on a surface of the substrate including in the recess. Third, the photoresist layer is exposed and developed to leave a body of remaining photoresist in the recess, with the body of remaining photoresist protruding above the surface of the substrate. Fourth, a metal layer is formed in an unfilled area of the recess and on the surface of the substrate, with the metal layer substantially surrounding the remaining photoresist. Finally, the remaining photoresist is removed to form an alignment mark in the metal layer on the substrate.

Abstract: Provided is a method for preparing a one-dimensional spin photonic crystal device and a one-dimensional spin photonic crystal device prepared by the same. The method comprises forming magnetic and nonmagnetic regions by the interference of laser beams generated from a femtosecond laser light source. The method of the present invention enables production of one-dimensional spin photonic crystals having excellent properties by a rapid and simple process, and is therefore suitable for high integration and large-scale production of desired devices. Further, the prepared photonic crystals exhibit excellent magneto-optical effects and are therefore applicable to development of novel optical devices, and the like.

Abstract: A production device and a production method for a grating-type optical component enabling formation of a variety types of FBGs using a single phase mask and an optical component made by the production method or production device for a grating-type optical component are provided. The method involves diffusing at least one of hydrogen or deuterium into an optical fiber and altering the refractive index of the optical fiber by irradiating the fiber with non-interfering UV lamp light.

Abstract: A phase-type diffraction device is provided, which includes a transparent substrate having a front surface and a rear surface, and a solidified liquid crystal layer formed on the front surface of the transparent substrate and constituted by a continuous film includes at least a liquid crystal compound. The solidified liquid crystal layer is constituted by first and second regions arranged periodically. The first region is optically anisotropic and the second region is optically isotropic. The first region differs in in-plane average refractive index from the second region.

Abstract: A photosensitive resin composition which includes (A) a cyclic olefin; (B) at least either one of a monomer having a cyclic ether group and an oligomer having a cyclic ether group, having a refractive index different from that of the component (A); and (C) a photoacid generator, is provided.

Abstract: The invention relates to a method for forming walls of micron or submicron cavities, including: the formation of a photolithographic mask on a transparent support (10, 12, 14), the deposition of a resin layer (18) of photosensitive material on the face, a so-called front face, of the support which supports the mask, the insolation of the photosensitive material layer through the rear face (10?) of the support, the development of the photosensitive material for obtaining said walls.

Abstract: A microplate for use within an interrogation system and a method of using the microplate are disclosed. The microplate contains within the bottom of each well, an optical waveguide grating based sensor. Approximate to each sensor is a mask having an aperture of predetermined size. The aperture regulates the light that enters and exits the sensor upon successive scans and ensures repeatable readings from the sensor. In an extended embodiment, a method of detection is disclosed that utilizes a launch and receive system while employing the aforementioned microplate.

Abstract: The present invention relates to a method for manufacturing an optical filter for a stereoscopic image display device, which forms an alignment layer having different orientating directions along a fine region via a one-time continuous photo orientation process. The method comprising: forming a polymer layer on a substrate; a photo-orienting step comprising positioning a patterned mask above the polymer layer, the patterned mask having alternating light transmission regions and light shield regions arranged in both horizontal and a vertical directions to selectively transmit different polarized light, positioning a polarizer above the patterned mask where the polarizer has two distinguishable regions that transmit different polarized light, and downwardly irradiating UV light onto the polymer layer from above the polarizer, thereby forming an alignment layer having different orientating directions in fine regions of the polymer layer; and forming a retardation layer on the orientation layer.

Abstract: A spectrometry apparatus includes a transmissive diffraction grating that transmits incident light. The transmissive diffraction grating has inclined surfaces made of a first dielectric material. The inclined surfaces are arranged so that they are inclined relative to a reference line. When the angle of incidence of light incident on the transmissive diffraction grating is measured with respect to the reference line and defined as an angle ?, and the angle of diffraction of diffracted light is measured with respect to the reference line and defined as an angle ?, the angle of incidence ? is smaller than a Bragg angle ? defined with respect to the inclined surfaces, and the angle of diffraction ? is greater than the Bragg angle ?.

Abstract: Erasable ion implanted optical couplers are described. In one example a method includes implanting ions into a substrate to form a grating in a waveguide of an optical device coupling optical signals into and out of the waveguide and through the grating, and annealing the substrate to remove the grating after coupling optical signals through the waveguide.

Abstract: An apparatus, useful in, for example, a miniature camera, includes an object, e.g., an optical element such as a shutter blade, an actuator operable to apply an impulse to the object such that the object moves from a first position to a second position, and at least one flexure coupled to the object and operable to confine movement of the object to movement along a predefined trajectory extending between the first and second positions.

Abstract: The present invention provides a patterning method of an organic EL device that can easily and efficiently be performed with high definition, and that can control a contrast by a luminous brightness. In an organic EL device having an organic layer, including an organic luminescent material, formed between a pair of counter electrodes, ultraviolet ray is irradiated to the organic layer, and the amount of irradiation is changed to form an emission pattern having a contrast caused by a luminous brightness corresponding to the amount of the irradiation of the ultraviolet ray.

Abstract: An exemplary light blocking plate includes a through hole defined at the center thereof and an opaque portion surrounding the through hole. The light blocking plate is comprised of a blackening agent and a PDMS.

Abstract: There are described a process for the production of a multi-layer body (100) having a partially shaped first layer (3m) and a multi-layer body produced in that way.

Abstract: A method of fabricating a color filter includes steps of forming a transparent-matrix on a flexible and transparent substrate for dividing the substrate to a plurality of pixel regions; printing the a plurality of pixel regions with color ink; and curing the ink to form a plurality of color filters on the surface of the substrate. The light transmittance ability of the color filter can be effectively improved by forming a transparent-matrix instead of a black-matrix on the substrate.

Abstract: A photosensitive material for forming a conductive film including a silver salt-containing emulsion layer, and a conductive layer containing conductive fibers, wherein the amount of the conductive fibers in the conductive layer is 0.005 g/m2 to 0.2 g/m2.

Abstract: A transparent product that gives an image only at one side, which can be used for an advertisement on the window or the like, which is a product that has a semi-transmissive-half-reflective layer having transmittance of 30% or higher and a reflectance of 30% or higher, a birefringent layer which is a patterned optically anisotropic layer having two or more regions of different birefringence in the form of a pattern or a driven-type optically anisotropic layer containing a liquid-crystal compound driven by voltage application to control the optical anisotropy, and a polarizing layer in this order and does not have, at the opposite side of the polarizing layer with respect to the birefringent layer, a polarizing layer, is provided.

Abstract: A method for producing a multilayer optical disk including a plurality of information storage layers is disclosed. The method includes a mastering step of preparing a plurality of metal dies, a replicating step of producing a base plate onto which a desired pattern is transferred using the plurality of metal dies and forming recordable/reproducible information storage layers. The desired pattern includes a wobbling tract pattern that is formed by combining a plurality of wobble patterns each having the same fundamental frequency. The mastering step produces the plurality of metal dies for the plurality of information storage layers having a shape that specifies a track groove whose shape factor differs from one information storage layer to another.

Abstract: A new fiber position monitoring method for sequential FBG UV-writing processes with a reference phase mask as the phase reference is proposed. Also, the new method by probing a reference phase mask can overcome the optical alignment difficulties in using reference fiber as well as provide more signal power for achieving better monitoring accuracy. Moreover, the present invention provides a method for sequentially joining a plurality of grating sections into a fiber grating longer than a phase mask.

Abstract: Methods of fabricating a static interferometric image device and static interferometric image device formed by the same are disclosed. In one embodiment, a method includes providing a substrate. A plurality of liquid layers are formed over the substrate by an inkjet process such that the layers are lateral to one another. The liquid layers contain a solidifiable material or particles. Then, the plurality of liquid layers are solidified to form a plurality of solid layers. In some embodiments, the substrate includes pre-defined cavities, and the liquid layers are formed in the cavities. In other embodiments, the substrate includes a substantially planar, stepped, or continuously transitioning surface, and the liquid layers are formed on the surface. The inkjet process provides optical fillers or spacers for defining interferometric gaps between absorbers and reflectors in the display device, based at least partially on an image that the display device is designed to display.

Abstract: A micro-mirror well. In one embodiment the micro-mirror well includes a plurality of planar mirrors arranged around an axis of symmetry and inclined to form a pyramid well, where each of the plurality of planar mirrors is capable of reflecting light emitting from an object of interest placed inside the pyramid well.

Abstract: The present invention relates to a method for manufacturing an optical filter for a three-dimensional image display device, which forms an alignment layer having different orientating directions along a fine region via a one-time continuous optical orientation process. The method comprising: forming a polymer layer on a substrate; a photo-orienting step comprising positioning a pattern mask above the polymer layer, the pattern mask having alternating light transmission regions and light shield regions arranged in both horizontal and a vertical directions to selectively transmit different polarized light, positioning a polarizer above the pattern mask where the polarizer has two distinguishable regions that transmit different polarized light, and downwardly irradiating UV light onto the polymer layer from above the polarizer, thereby forming an alignment layer having different orientating directions in fine regions of the polymer layer; and forming a retardation layer on the orientation layer.

Abstract: The invention provides an optical mux/demux for an optical printed circuit board. The mux/demux comprises: a first waveguide formed on a support layer for carrying a wavelength division multiplexed optical signal; a separator/combiner for separating the wavelength division multiplexed signal into component signals of corresponding wavelengths or for combining component signals into the said wavelength division multiplexed signal; and plural second waveguides, each for receiving or providing one or more of the said component signals, wherein the separator/combiner is at a predetermined location relative to the waveguides.

Abstract: A method for manufacturing a lens forming master includes coating an organic insulation material on a substrate to form an organic insulation layer, removing a portion of the organic insulation layer with a laser which is irradiated through a first mask to form a lens shape on a surface of the organic insulation layer, and removing portions of the organic insulation layer with a laser irradiated through a second mask to form a contact hole and a bank area in the organic insulation layer.

Abstract: A manufacturing method of asymmetric bumps is provided. First, a substrate is provided. A film layer is then formed on the substrate. Next, a complex photomask including at least one transparent region, a number of opaque regions, and a number of semi-transparent regions is provided. Each of the semi-transparent regions is disposed between two adjacent opaque regions, and at least one light-shielding pattern is randomly disposed in each of the semi-transparent regions. The film layer is then patterned with use of the complex photomask, and multiple asymmetric bumps are formed on the substrate. By using the complex photomask, manufacturing steps of the asymmetric bumps can be reduced. Besides, a manufacturing method of a pixel structure having the above-mentioned asymmetric bumps is also provided.

Abstract: A light emitting substrate includes a light emitting layer which emits light in response to the bombardment of electrons. A novel rib structure including a pattern of wall-like ribs and sheet-like ribs prevents the collapse of ribs in a finely-pitched pixel layout of the light emitting substrate. A light shielding layer is formed on a substrate, and wall ribs are formed on the light shielding layer. Then, a positive photo paste is spread thereon and exposed to light and then developed, so that sheet ribs having side surfaces tilting toward openings of the light shielding layer are formed.

Abstract: A device manufacturing method is provided. The method includes generating a first patterned beam, projecting the first patterned beam onto a substrate to form a first plurality of spot exposures on the substrate, scanning the substrate in a direction while projecting the first patterned beam, generating a second patterned beam, projecting the second patterned beam onto the substrate to form a second plurality of spot exposures on the substrate, and alternating spot exposures of the first plurality of spot exposures with respective spot exposures of the second plurality of spot exposures.

Abstract: A method for fabricating an image sensor includes forming an insulation layer over a substrate in a logic circuit region and a pixel region, forming a photoresist over the insulation layer, patterning the photoresist to form a photoresist pattern where the insulation layer in the pixel region is exposed and the insulation layer in the logic circuit region is not exposed, wherein a thickness of the photoresist pattern is gradually decreased in an interfacial region between the pixel region and the logic circuit region in a direction of the logic circuit region to the pixel region, and performing an etch back process over the insulation layer and the photoresist pattern in conditions that an etch rate of the photoresist pattern are substantially the same as that of the insulation layer.

Abstract: A method for manufacturing an optical disk having a middle layer on a substrate includes the steps of coating an ultraviolet curing resin over the substrate, irradiating ultraviolet rays to the ultraviolet curing resin and prepolymerizing the ultraviolet curing resin, and forming the middle layer by pressing a stamper against the prepolymerized ultraviolet curing resin, irradiating ultraviolet rays to the ultraviolet curing resin and thus curing the ultraviolet curing resin.

Abstract: Electrowetting display devices and fabrication methods thereof are presented. The electrowetting display device includes a first substrate and a second substrate with a polar fluid layer and a non-polar fluid layer insolvable to each other and interposed between the first and second substrates. A first transparent electrode is disposed on the first substrate. A second electrode is disposed on the second substrate. A dielectric layer is disposed on the second electrode. A hydrophilic partition wall structure is directly disposed on the dielectric layer defining a plurality of pixel regions. A layer of low surface energy material is disposed on the dielectric layer within each of the pixel region.

Abstract: A semiconductor hollow-core waveguide using high-contrast gratings or photonic crystal claddings and a method of manufacturing the same includes providing a layered semiconductor structure; creating an etching mask pattern over the layered semiconductor structure; performing a combined cycled directional etching process on the layered semiconductor structure in one sequence and in one lithography level to create a 3-dimensional waveguide structure; and creating a hollow air core in the layered semiconductor structure by removing to define a shape of the waveguide. The etching process comprises vertically etching a series of deep trenches on the layered semiconductor structure with precise control and varying the width of the trench. Furthermore, the hollow air core is created by removing a portion of the sacrificial material located in the center of the waveguide and under the waveguide.

Abstract: In a method for manufacturing a lens mold, a raw mold is provided. The raw mold defines a cavity therein. The cavity defines a raw molding surface. The raw molding surface includes a molding surface portion. The molding surface portion includes a center. Photoresist material is filled in the cavity, covering the molding surface portion. A photo mask is provided. The photo mask defines a through hole. The size through hole is the same as the molding surface portion of the lens mold. The photo mask is placed above the photoresist material with the through hole aligned with the center. The photoresist material is exposed and developed to form a photoresist portion. A rigid molding material is filled in the cavity. The resist portion is removed to expose the molding surface.

Abstract: An optical waveguide production method for producing an optical waveguide comprising the steps of: forming an under-cladding layer and an alignment mark from the same material on a substrate; forming a thin metal film on the alignment mark; forming a first transparent photosensitive resin layer on the resultant substrate to cover the under-cladding layer and the thin metal film; positioning an exposure mask with reference to the thin metal film formed on the alignment mark; and selectively exposing a predetermined portion of the first photosensitive resin layer on the under-cladding layer via the exposure mask to form a core defined by the exposed portion of the first photosensitive resin layer.

Abstract: Disclosed is a method for fabricating a liquid crystal display device comprising: providing a first substrate having a pixel portion and a pad portion; sequentially laminating a gate insulating layer, a semiconductor layer and a first conductive layer on the first substrate where a gate electrode is formed; forming a first PR pattern, which is patterned relatively thin on a channel region of a transistor to be formed, on the first conductive layer with a half-tone mask; patterning the first conductive layer with the first PR pattern; forming a second PR pattern which is aligned with an outer periphery of the first conductive layer by performing a first ashing process on the first PR pattern; patterning the semiconductor layer using the second PR pattern; forming source/drain electrodes using the second PR pattern; forming a passivation layer and a pixel electrode on the first substrate; attaching a second substrate to the first substrate; and forming a liquid crystal layer between the first substrate and the

Abstract: In a method for forming a photoelectric composite board (10) on which a photoelectric transducer (5) is mounted, photo-masks (111, 112, 113) which are used in processes to form the photoelectric composite board (10) are respectively disposed on the basis of a reference mark (33) previously formed on a metal thin film (101). In addition, openings (22) are formed on solder resist layers (8) by irradiating laser beams at positions defined on the basis of a reference point (4a) defined above a light deflector (4) formed on an end of a light guide (3).

Abstract: The present invention provides a process for producing inexpensively and effectively a stamper utilized for producing multi-valued ROM discs, which comprises: (i) irradiating a light onto a laminate, thereby producing reacted portions within a thermo reactive layer, (ii) maintaining the reacted portions, which are produced by irradiating the light, within the thermo reactive layer, (iii) maintaining an optical absorption layer under the reacted portions, (iv) maintaining a substrate under the reacted portions, and (v) removing the maintained optical absorption layer and the maintained thermo reactive layer, wherein the laminate comprises the optical absorption layer and the thermo reactive layer on the substrate, the optical absorption layer and the thermo reactive layer are disposed adjacently.

Abstract: Provided is an all-in-one type light guide plate including a plurality of prism-shaped structures that are integrally formed on the all-in-one light guide plate and which totally internally reflect light incident from a light source and emit the totally internally reflected light.

Abstract: A method and optical component prevent external light reflection and increase light extraction efficiency. In one example embodiment, an optical component is provided on a light extraction side of a light-emitting panel. After a shielding film shaped like a lattice or a mesh is formed on a transparent substrate, a resist film is formed, the resist film is irradiated with ultraviolet light UV from the back side of the substrate by using the shielding film as a mask, and development is carried out, so that an optical functional element is formed. The planar shape of the undersurface of the optical functional element is the same as the planar shape of the lattice or the mesh of the shielding film, and a positioning error between the optical functional element and the shielding film becomes extremely small.

Abstract: A process of forming a deflection mirror in a light waveguide with a use of a dicing blade having a cutting end with a flat top cutting face and at least one slanted side cutting face. The process includes a cutting step of cutting a surface of the light waveguide to a depth not greater than a width of the flat top cutting face, thereby forming a groove in the surface of the light waveguide. The groove has a slanted surface which is formed by the slanted cutting face to define the deflection mirror in the waveguide.

Abstract: An optical waveguide manufacturing method which obviates a developing step and stably provides greater differences in refractive index between a core and cladding layers. A core formation photosensitive resin layer is formed on a surface of an under-cladding layer, and then exposed in a predetermined pattern. A core is formed which is defined by an exposed portion of the core formation photosensitive resin layer. Surfaces of the exposed portion and an unexposed portion of the core formation photosensitive resin layer are covered with an over-cladding layer formation photosensitive resin layer. The two photosensitive resin layers are heated, whereby a resin of the unexposed portion of the core formation photosensitive resin layer and a resin of the over-cladding layer formation photosensitive resin layer are melt-mixed together to form a mixture layer. Then, the mixture layer is exposed, whereby a third cladding layer is formed defined by the exposed mixture layer.

Abstract: A manufacturing method of an optical element is provided, the optical element comprising: a shield part formed by a light shielding film formed and patterned on a substrate; a light transmission part formed by partially exposing a surface of the substrate; and a phase shifter part formed by partially etching the surface of the substrate, the method comprising the steps of: preparing an optical element blank with the light shielding film and a first resist film laminated on the substrate in this order; and forming a first resist pattern by applying drawing and development to the first resist film, covering a formation scheduled area of the shield part, and demarcating the formation scheduled area of the phase shifter part.