Abstract: An optical assembly includes a first reflector and a second reflector. The first reflector is positioned to receive first light having a first polarization and provide the first light toward a first direction, and receive second light having the first polarization and provide the second light toward a second direction. The second reflector is positioned to receive the second light from the first reflector and reflect the second light back toward the first reflector. The first reflector receives light having a second polarization, having been reflected by the second reflector, and provide the light toward the first direction so that a first image corresponding to the first light and a second image corresponding to the second light are projected on a common image plane where at least a portion of the second image is located between two portions of the first image.

Abstract: An optical assembly includes a first reflector and a second reflector. The first reflector is positioned to receive first light having a first polarization and provide the first light toward a first direction, and receive second light having the first polarization and provide the second light toward a second direction. The second reflector is positioned to receive the second light from the first reflector and reflect the second light back toward the first reflector. The first reflector receives light having a second polarization, having been reflected by the second reflector, and provide the light toward the first direction so that a first image corresponding to the first light and a second image corresponding to the second light are projected on a common image plane where at least a portion of the second image is located between two portions of the first image.

Abstract: A display device and a display method are provided, the display device including: a light source assembly, configured to output a first light ray carried with a first image to be displayed and a second light ray carried with a second image to be displayed, alternately; a first conversion element, arranged at a light exiting side of the light source assembly, and configured to convert the first light ray carried with the first image to be displayed into a first polarization light, and to convert the second light ray carried with the second image to be displayed into a second polarization light; and a light-splitting assembly and a imaging reflecting element, the light-splitting assembly being configured to direct the converted first light ray originating from the first conversion element towards the imaging reflecting element in a first direction, and to direct the converted second light ray originating from the first conversion element towards the imaging reflecting element in a second direction different fro

Abstract: The present application relates to an optical film layer and a display device. The optical film layer comprises: an isotropic optical layer, a plurality of grooves being formed on one side of the isotropic optical layer; a single optical axis anisotropic optical layer, comprising a plate-shaped part and a plurality of convex structures which match the shape and size of the grooves and which are attached to one side of the plate-shaped part, the ordinary light refractive index of the single optical axis anisotropic optical layer is greater than that of the isotropic optical layer; a first grating layer, stacked on the side of the single optical axis anisotropic optical layer away from the isotropic optical layer or embedded in the side of the single optical axis anisotropic optical layer away from the isotropic optical layer.

Abstract: The present specification relates to a display unit manufacturing method and an optical film laminating system.

Abstract: An optical coating structure is provided that when applied to a surface of an object to imparts a color to the object, the optical coating structure comprising: a base layer; a reflector on the base layer; and profile elements on the base layer under the reflector, the profile elements having a width and length which are each in the range of 5 to 500 ?m in size, and being arranged in non-periodic manner or a periodic manner. The reflector may be a multilayer structure of alternating dielectric materials. A method of forming the optical coating structure is also provided.

Abstract: There is provided an optical system, including a light-transmitting substrate having at least two major surfaces parallel to each other and edges, and an optical device for coupling light into the substrate by total internal reflection. The device includes a polarization sensitive reflecting surface.

Abstract: There is provided a coatable polarizer which incurs low manufacturing cost and has an excellent polarization degree and transmittance. A plurality of polarization layers are formed on the coatable polarizer, and each of the polarization layers include about 5 to 7 wt % of dichroic dyes, whereby a light component parallel to an alignment direction of a dichroic dye, among light having a wavelength corresponding to a color, is absorbed to have polarization characteristics.

Abstract: An optical film according to one embodiment includes at least one stack having a plurality of basic pairs, each pair being composed of a first layer and a second layer having different refractive indices and being laminated. The number of the stacks, a difference in the refractive index between the first and second layers, and the number of the basic pairs are set such that a reflectance spectrum of the at least one stack as a whole matches a target reflectance spectrum. The target reflectance spectrum includes first and second reflectance spectrum components corresponding to first and second polarized light beams in a predetermined wavelength range, wherein each of them is a spectrum having at least one reflective peak region including a spectrum region having a reflectance of 50% or more and a wavelength width of 20 to 60 nm.

Abstract: In an embodiment, a display panel unit includes a reflective polarizing layer, a transparent layer, and a display panel. The polarizing layer transmits a first polarized component of light incident on an incident surface to an exit surface and reflects a second polarized component of the light. The transparent layer transmits the first and second polarized component of the light incident on a second surface to a first surface adhered to the incident surface and transmits the second polarized component reflected by the polarizing layer to be incident on the first surface to the second surface. The panel faces the exit surface, and selectively transmits the light exiting from the exit surface.

Abstract: The purpose of the present invention is to provide a retardation film which has high retardation developability, good mechanical strength and good durability. This retardation film contains a cellulose derivative and at least one compound represented by general formula (1), wherein each of R1 and R2 independently represents an alkyl group, a cycloalkyl group, an aryl group or a heterocyclic group; X1 represents a single bond, —NR4—, —O— or —S—; X2 represents a single bond, —NR5—, —NR5—(C?O)—, —O— or —S—; each of R4 and R5 independently represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group or a heterocyclic group; R3 represents a substituent; n represents an integer of 0-4; and when n is 2 or more, a plurality of R3s may be the same or different and adjacent R3s may be joined together to form a ring).

Abstract: There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided.

Abstract: There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided.

Abstract: A birefringence pattern builder used in a method of producing a patterned birefringent product including a step of patterned light exposure of an optically anisotropic layer and a step of heating the layer after the light exposure to 50° C. or higher but not higher than 400° C., which include the optically anisotropic layer, a support, and a laminate film in this order, is provided. The birefringence pattern builder prevents nonuniformity of functional layers that may generate in the production process, is useful for a production method that hardly causes nonuniformity in the patterned birefringent product even after a rolling-up step in the industrial production process, and enables a production of a thinner product.

Abstract: A fiber laser device includes a laser source that can emit a source laser beam, a birefringent beam separator configured to receive the source laser beam and to split the source laser beam into an o ray and an e ray which have mutually orthogonal polarizations, and a polarization maintaining fiber comprising a fiber core characterized by a core diameter, wherein after the o ray and the e ray exit birefringent beam separator, the o ray and the e ray are separated by a distance that is larger than the fiber core of the polarization maintaining fiber. The polarization maintaining fiber is positioned to couple one of the o ray and the e ray into the fiber core. The one of the o ray and the e ray transmits through the polarization maintaining fiber to form an output laser beam.

Abstract: Polarizing beam splitters and systems incorporating such beam splitters are described. More specifically, hybrid polarizing beam splitters and systems with such beam splitters that incorporate polymeric reflective polarizers aligned with MacNeille or wire grid reflective polarizers are described.

Abstract: The birefringent film of the present invention contains an aromatic polyester having a repeating unit represented by the following general formula (1). In the general formula (1), A(s), B(s), C(s), and D(s) are each independently represent a group selected from a halogeno group, an alkyl group which has 1 to 6 carbon atoms, and an aryl group. Also, a and b each represent an integer of 0 to 4, and c and d each represent an integer of 0 to 3. R1 represents a hydrogen atom, or an alkyl group which has 1 to 10 carbon atoms. R2 represents an alkyl group which has 2 to 10 carbon atoms. R3 to R6 each independently represent a group or atom selected from a hydrogen atom, a halogeno group, an alkyl group which has 1 to 6 carbon atoms, and an aryl group. Furthermore, l and m each represent an integer of 2 or more.

Abstract: A fluorescent screen includes phosphor regions 1-R, 1-G, diffusion region 1-B and reflecting means 10 formed on a region that includes phosphor regions 1-R and 1-G and diffusion region 1-B. Reflecting means 10 includes fluorescent light reflecting layer 11, phase difference layer 12, and polarizing layer 13 deposited in that order. Fluorescent light reflecting layer 11 transmits excited light 4 and reflects fluorescent light from phosphor regions 1-R and 1-G. Polarizing layer 13 both transmits excited light 4 and, of diffused light of the excited light (4) that was entered from diffusion region 1_B through Phase difference layer 12, transmits TM polarized light and reflects TE polarized light.

Abstract: Provided is a film of which the slow axis in plane does not comply with TD direction nor MD direction of the film and which is excellent in adequacy of pasting with other components. The film is a film comprising at least a first molecule expressing positive intrinsic birefringence and a second molecule expressing negative intrinsic birefringence, having a slow axis in plane in a direction which is neither parallel nor orthogonal to the longitudinal direction of the film, and the direction of the slow axis in plane being neither parallel nor orthogonal to the individual directions of alignment of the first and second molecules.

Abstract: A set of optical film rolls for use in a process including supplying films and bonding the films, in directions relatively perpendicular to one another, to an optical cell, wherein a direction in which each film is bonded to the optical cell is equal to a direction in which each film is supplied, and the films are laminated to one side of the optical cell, the set of optical film rolls includes: a first optical film roll that is a roll of a first long multilayer optical film including a long polarizing film having an absorption axis in its longitudinal direction; and a second optical film roll that is a roll of a second long multilayer optical film including a long linearly polarized light separating film having a reflection axis in its transverse direction.

Abstract: An optical sheet (40) is used in a display device for switchably displaying a two-dimensional image and a naked-eye visible three-dimensional image. The optical sheet (40) includes: a first layer (51) including a thermoplastic resin; and a second layer (52) laminated to the first layer. The first layer is an optically anisotropic An optical interface (55) for changing the traveling direction of light of one polarization component is formed between the first layer (51) and the second layer (52).

Abstract: A polarization separating element is configured to include a translucent substrate formed of a crystal material having birefringent properties and optically rotatory power and a polarization separating portion formed on the incidence-side surface of the translucent substrate so as to transmit a P-polarized light beam and reflect an S-polarized light beam. A reflecting element that reflects the S-polarized light beam reflected by the polarization separating portion is disposed so as to be separated approximately in parallel to the translucent substrate. A predetermined function is set such that the P-polarized light beam having passed through the polarization separating portion and been incident to the translucent substrate is converted so as to be parallel to the polarization plane of the S-polarized light beam so that the P-polarized light beam is output as the S-polarized light beam.

Abstract: There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided.

Abstract: An optical system capable of enhancing a specific polarization state of light beam comprises a polarization beam splitter and a polarization state converter. The polarization beam splitter separates an input light beam into a first light beam of first polarization state and a second light beam of second polarization state. The first polarization state is different from the second polarization state. The second light beam is input into the polarization state converter and converted to a third light beam having significantly much more components of first polarization state. The polarization state converter has a configuration providing total reflection or high reflection function. The configuration includes at least one anisotropic optical thin film that is disposed between an incident medium of high refractive index and a medium of low refractive index.

Abstract: Disclosed is a film having polarization selectivity and diffusibility, and a means for easily producing the film. The polarizing diffuser film is composed of substantially one kind of crystalline resin having an intrinsic birefringence of not less than 0.1, has a total light transmittance to visible light of 50-90%, a transmission haze to visible light of 15-90% and a transition polarization degree to visible light of 20-90%.

Abstract: Presently described are multilayer optical films comprising an optical stack comprising at least one first birefringent optical layer; at least one (e.g. isotropic) second optical layer having a birefringence of less than 0.04 at 633 nm, and optionally at least one skin layer. The second layer, skin layer, or a combination thereof comprises a blend of at least one methyl methacrylate polymer and at least one styrene-acrylonitrile polymer.

Abstract: The embodiments of the present invention provide an integrated planar polarizing device and methods of fabrication. The device, in the order of incidence along an optical path of an incident light beam from back position to front position, comprises a planar array of micro mirrors, a quarter wave retarder film and a reflective polarization plate. The micro mirrors are regularly spaced-apart in an identical tilted angle ? relative to a base plane. The quarter wave retarder film is positioned between the micro mirrors and the reflective polarization plate.

Abstract: An optical element includes an optical anisotropic medium. A difference between a minimum refractive index nl and a maximum refractive index nh of the optical anisotropic medium at a used central wavelength is at least 0.1, and a refractive index nt1 of a first medium optically adjacent to the optical anisotropic medium at the used central wavelength satisfies the following condition: (nt1?nl)·(nt1?nh)?0.

Abstract: An optical polarization converter system includes a plurality of lenses, a light incident surface, a light emitting surface, a first optical coating, a second optical coating and a half-wave plate. The lenses are made of light permeable medium and mutually and tightly arranged. A plurality of basic widths are defined on the light incident surface and the light emitting surface. The first optical coating and second optical coating, configured between the light incident surface and the light emitting surface and having an inclined angle of forty-five degrees relative to the light incident surface, are spaced apart one basic width. The half-wave plate is disposed on the light emitting surface corresponding to one of the first optical coating and the second optical coating. The first and second optical coatings are provided with properties of splitting an incident beam and beam reflection.

Abstract: An optical element including a first layer (011) made of a medium having optical anisotropy, wherein a difference between refractive indexes nh and nl (nh>nl) at a central wavelength ? for first and second polarized lights which enter the optical element and whose polarization directions are different from each other is at least 0.1, and wherein conditions (nt1?nl)·(nl?nt2)?0 and nt1<nl are satisfied, where nt1 and nt2 denote refractive indexes of a second layer (012) and a third layer (013) optically adjacent to the first layer in both sides of the first layer and made of isotropic media at the central wavelength.

Abstract: Polarizers and polarizing beam splitter include one or more pairs of axicons that are configured to separate an input beam into a radially polarized component and a tangentially (or azimuthally) polarized component. A second axicon pair can be provided to recombine the tangentially polarized component so as to provide a more uniform beam intensity. The radially polarized component can be reflected or otherwise directed so that one or both the radial and tangential components are available for use.

Abstract: The present invention relates to a luminance-enhanced film used for displays. The present invention provides a luminance enhancement film including a multilayer thin film, which can ensure the reliability to external environmental changes, such as temperature change and the like, and a backlight unit including the luminance enhancement film.

Abstract: A polarization separating element is configured to include a translucent substrate formed of a crystal material having birefringent properties and optically rotatory power and a polarization separating portion formed on the incidence-side surface of the translucent substrate so as to transmit a P-polarized light beam and reflect an S-polarized light beam. A reflecting element that reflects the S-polarized light beam reflected by the polarization separating portion is disposed so as to be separated approximately in parallel to the translucent substrate. A predetermined function is set such that the P-polarized light beam having passed through the polarization separating portion and been incident to the translucent substrate is converted so as to be parallel to the polarization plane of the S-polarized light beam so that the P-polarized light beam is output as the S-polarized light beam.

Abstract: A polarizing beam splitter includes a medium and at least two thin-film layers having different refractive indices arranged in order from a light incidence side, and the medium and the thin-film layers satisfy a predetermined mathematical conditions.

Abstract: Disclosed are a film with excellent polarization selectivity and excellent diffusion properties, and a means for easily producing the same. The polarizing diffusion film has an intrinsic birefringence of at least 0.1 and substantially comprises one type of crystalline resin; and in the polarizing diffusion film, the total light transmittance is 50 to 90% in relation to visible light, the transmission haze is 15 to 90% in relation to visible light, and the degree of transmission polarization is 20 to 90% in relation to visible light.

Abstract: A film construction (320) includes a broad band reflective polarizing film (312) that may be immersed in an ultra low refractive index medium (322, 324). The reflecting polarizing film is characterized by a pass axis and a block axis, and its reflectivity for white light of the pass state polarization increases with increasing incidence angle to provide a compressed or narrowed viewing cone in one or two planes.

Abstract: An optical element including a first layer (011) made of a medium having optical anisotropy, wherein a difference between refractive indexes nh and nl (nh>nl) at a central wavelength ? for first and second polarized lights which enter the optical element and whose polarization directions are different from each other is at least 0.1, and wherein conditions (nt1?nl)·(nl?nt2)?0 and nt1<nl are satisfied, where nt1 and nt2 denote refractive indexes of a second layer (012) and a third layer (013) optically adjacent to the first layer in both sides of the first layer and made of isotropic media at the central wavelength.

Abstract: A polarizing beam splitter includes: first and second prisms each having first and second end surfaces serving as an input surface or an output surface of light and an opposed surface as side surfaces of a pillar-like member; and at least two parallel flat layers disposed in parallel between the opposed surfaces of the first and second prisms. Here, one of the least two parallel flat layers is a first parallel flat layer polarization-separating the input beam. When it is assumed that the refractive index of a base material of the first and second prisms is Np, the resultant refractive index of the parallel flat layers other than the other parallel flat layer of the at least two parallel flat layers is Na, and the refractive index of the other parallel flat layer of the at least two parallel flat layers is Nb, (Na?Np)×(Nb?Np)<0 is satisfied.

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 cellulose acylate film, comprising a cellulose acylate having at least one substituent (Substituent A) comprising an aromatic group having at least one C4 or longer aliphatic group, is disclosed.

Abstract: An optical film is provided and includes a cellulose ester and an acrylic resin. The mass ratio of the cellulose ester to the acrylic resin is 70/30 to 5/95, the total haze value of the optical film is 0.80 or less, the internal haze value of the optical film is 0.01 to 0.28, and the modulus of elasticity in the transverse direction of the optical film is 2,700 to 7,000 MPa.

Abstract: Disclosed is a film having polarization selectivity and diffusibility, and a means for easily producing the film. The polarizing diffuser film is composed of substantially one kind of crystalline resin having an intrinsic birefringence of not less than 0.1, has a total light transmittance to visible light of 50-90%, a transmission haze to visible light of 15-90% and a transition polarization degree to visible light of 20-90%.

Abstract: The invention relates to an acrylic adhesive composition, more particularly, to an adhesive composition which: specifies the contents of a (meth)acrylic ester-based monomer and an aromatic group-containing monomer of an acrylic copolymer as a composition having little or no difference of birefringence; has excellent durability; and can reduce light leakage due to flexure by mixing a crosslinkable functional group-containing acrylic copolymer (A) and an acrylic copolymer (B) which does not contain the crosslinkable functional group, in a ratio of 1:9 to 5:5.