Abstract: A polarizing plate may have high transmittance characteristics and suppressed reflected light. An optical device may be provided with the polarizing plate. The polarizing plate may have a wire grid structure that includes a transparent substrate and grid-like projection portions arranged on the transparent substrate at a pitch shorter than the wavelength of light in a used bandwidth and extending in a predetermined direction. The grid-like projection portions may each have a reflective layer and a dielectric layer in order from the transparent substrate side. When viewed from the predetermined direction, the reflective layer has may have a step on the side thereof and may have the largest bottom width on the transparent substrate side.

Abstract: To provide an image display device for enabling a polarization axis direction of a reflection type polarizing plate to be identified with simplicity and accuracy, and enabling an adjustment in the polarization reflection axis direction to be made with high accuracy, a wire grid polarizing plate for enabling the polarization axis direction to be examined simply, and the like, a head-up display device (1) in the present invention is an image display device provided with an image display (14) that outputs image light which is polarized light, a reflection type polarizing plate (15) having an reflecting surface (28) that reflects the image light, and a projection plate (11) onto which the image light reflected by the reflection type polarizing plate is projected, and is characterized in that the reflection type polarizing plate allows a bright line (B) as an indicator indicative of the polarization axis direction of the reflecting surface to be observed.

Abstract: A structured light projector includes a light source configured to emit light, a structured light pattern mask configured to receive the light emitted by the light source and including a first region configured to generate a first structured light having a first polarization and a second region configured to generate a second structured light having a second polarization that is different from the first polarization, and a polarization multiplexing deflector configured to deflect the first structured light and the second structured light generated by the structured light pattern mask, to different directions, respectively.

Abstract: A display assembly, includes: a first substrate and a second substrate that are disposed opposite, a first liquid crystal layer located between the first substrate and the second substrate, a third substrate disposed at a side of the first substrate away from the second substrate, a second liquid crystal layer located between the first substrate and the third substrate, a first pixel circuit layer disposed between the first substrate and the first liquid crystal layer, a second pixel circuit layer disposed between the third substrate and the second liquid crystal layer, a polarizing device disposed on a side of the second pixel circuit layer away from the second liquid crystal layer, and a first metal wire grid polarizing layer disposed between the first substrate and the first pixel circuit layer. The first metal wire grid polarizing layer is electrically insulated from the first pixel circuit layer.

Abstract: Disclosed are a display panel, a manufacturing method thereof, and a displaying device. The display panel comprises a pixel layer, a support layer, a lens unit and a cover plate which are stacked in sequence. The support layer is located on a luminescent layer of the pixel layer. The lens unit comprises a lens layer, wherein the lens layer comprises a lens area and a non-lens area, and the lens area comprises multiple lenses arranged in an array. The display panel further comprises a polarization unit disposed on a light path between the pixel layer and the lens layer and configured to filter out light emitted from the pixel layer to the non-lens area.

Abstract: A polarizing element has a wire grid structure, and includes a transparent substrate, and projections, which are arrayed on the main surface of the substrate at a pitch p40 that is narrower than the wavelength of the light in the used light region, and extend along the Y-direction. The projections have a laminated structure in which two or more sets of a dielectric layer and a conductive layer are laminated alternately along the Z-direction. The conductive layers include a first conductive layer having absorption properties relative to the light in the used light region and a second conductive layer having reflective properties relative to the light in the used light region. The first conductive layer is provided as the conductive layer closest to the incident side of the light.

Abstract: Systems and methods herein are related to the formation of optical devices including stacked optical element layers using silicon wafers, glass, or devices as substrates. The optical elements discussed herein can be fabricated on temporary or permanent substrates. In some examples, the optical devices are fabricated to include transparent substrates or devices including charge-coupled devices (CCD), or complementary metal-oxide semiconductor (CMOS) image sensors, light-emitting diodes (LED), a micro-LED (uLED) display, organic light-emitting diode (OLED) or vertical-cavity surface-emitting laser (VCSELs). The optical elements can have interlayers formed in between optical element layers, where the interlayers can range in thickness from 1 nm to 3 mm.

Abstract: A structured light projector includes a light source configured to emit light, a structured light pattern mask configured to receive the light emitted by the light source and including a first region configured to generate a first structured light having a first polarization and a second region configured to generate a second structured light having a second polarization that is different from the first polarization, and a polarization multiplexing deflector configured to deflect the first structured light and the second structured light generated by the structured light pattern mask, to different directions, respectively.

Abstract: A thin film Brewster coupling device configured for low loss transmission of an imposed polarized parallel to plane of incidence 8.5 micron to 11.5 micron wavelength laser beam and simultaneous high reflectivity of a polarized perpendicular to plane of incidence 2 micron to 4 micron wavelength laser beam. The device comprising an optical media substrate and at least one dielectric stack optically coupled to the optical media substrate where the dielectric stack comprises a dielectric layer and an overlayer, the dielectric layer and the overlayer each comprising a thickness of nominally a quarter wavelength of the 2 micron to 4 micron wavelength laser beam, and oriented at near the Brewster Angle to the incident 8.5 micron to 11.5 micron wavelength laser beam. The substrate and dielectric mediums of necessary characteristics to result in low LIDT, high strength, chemical inertness and high thermal conductivity.

Abstract: Provided is a polarizing plate having high transmittance characteristics and high durability. A polarizing plate 1 with a wire grid structure includes a transparent substrate 10, and a grid-shaped projecting portion 11 which is arranged on the transparent substrate 10 at a pitch shorter than a wavelength of light in a used bandwidth and extends in a predetermined direction. The grid-shaped projecting portion 11 includes a reflection layer 12, a dielectric layer 13, and an absorption layer 14 in this order from the side of the transparent substrate 10. A protection layer 15 is provided on a surface of the grid-shaped projecting portion 11, and covers all of an upper surface and a side surface of the absorption layer 14 and all of a side surface of the dielectric layer 13, and at least a part of a side surface of the reflection layer 12. The protection layer 15 on the side surface of the reflection layer 12 is thinner than the protection layer 15 on the side surface of the absorption layer 14.

Abstract: A cube wire grid polarizer or an embedded wire grid polarizer can include an adhesive-free, direct bond between the wire grid polarizer and piece(s) of glass. Consequently, index of refraction mismatch can be avoided and the polarizer can have improved high temperature tolerance. The polarizer can include multiple layers over the wire grid polarizer, with the top of these layers polished, then directly bonded to the piece of glass. Material of the top layer can be selected such that thickness of this layer is not critical, thus allowing polishing.

Abstract: A wire grid polarizer comprising on array of parallel, elongated first rib groups disposed over a substrate. Each first rib group can comprise a central first transmissive rib and a pair of first wires including a first wire disposed along each side of the first transmissive rib. A first dielectric material can substantially fill first gaps between each rib group and an adjacent rib group. An array of parallel, elongated second wires can be disposed over the rib groups and the first dielectric material. The first wires or the second wires can be absorptive and the other of the first wires or the second wires can be reflective.

Abstract: A grid polarizing element has a structure that can prevent deteriorations due to an oxidization gas. The grid polarizing element is preferably used to polarize light in a ultraviolet light region. The grid polarizing element includes a transparent substrate and a grid layer disposed on the transparent substrate. The grid layer has a plurality of linear portions, and is shaped like a stripe. The grid layer is covered with a gas blocking layer to block the oxidization gas generated by the ultraviolet light such as ozone and active oxygen species. The gas blocking layer is transparent at a wavelength of the light to be polarized.

Abstract: A polarizer includes a first medium disposed at an emission side, a second medium disposed at an incident side, and a plurality of laminated structures provided at a predetermined grating period in a grating period direction, the laminated structure includes, in order from the first medium to the second medium, a first dielectric layer, a metallic layer, and a second dielectric layer between the first medium and the second medium, the polarizer is configured to reflect polarized light oscillating in a direction orthogonal to the grating period direction in a particular wavelength band and to transmit light other than the polarized light, and predetermined expressions are satisfied.

Abstract: An inorganic, dielectric grid polarizer device includes a stack of film layers disposed over a substrate. Each film layer is formed of a material that is both inorganic and dielectric. Adjacent film layers each have different refractive indices. At least one of the film layers is discontinuous to form a form-birefringent layer with an array of parallel ribs having a period less than 400 nm. Another layer, different than the form-birefringent layer, is formed of an optically absorptive material for the ultra-violet spectrum.

Abstract: A polarizer having a first surface bordered by an edge, including a standard region and a rib modification region. The standard region can include ribs having a standard characteristic. The standard region can be configured to polarize incident light. The rib modification region can be disposed along at least a segment of the edge of the substrate between the edge and at least a portion of the standard region. The rib modification region can comprise modified ribs modified from the standard characteristic to have a different characteristic.

Abstract: A grid polarizer including an array of groups of parallel elongated ribs disposed over a substrate. Each group of elongated ribs can comprise at least four ribs. Tops of two center ribs, at a center of each group, can be substantially the same elevational height and can be higher by more than 10 nm than tops of outer ribs of the groups. A region between adjacent ribs can have an index of refraction substantially equal to one. Some or all of the ribs can comprise polarizing wires disposed over substrate rods.

Abstract: A wire grid polarizer comprising a transparent substrate having a first surface. Multiple separate and discrete sections of wire grids can be disposed over the first surface and attached to the substrate, with a border between the sections including an opaque mask material. The mask material can be disposed over the first surface of the substrate. The mask material can be a material different than the wire grid material. The mask material can extend over or under a portion of an edge of the wire grid.

Abstract: A wire grid polarizer includes a substrate, a wire grid layer which is disposed on the substrate and includes a plurality of wire patterns arranged with a predetermined interval, where gaps are defined between the wire patterns, and a passivation layer which is disposed on the wire grid layer and includes first passivation particles which cover a top portion of the gaps.

Abstract: A wire grid polarizer with multiple functionality sections. Separate and discrete sections can include a difference in pitch p, a difference in wire width w, a difference in wire height h, a difference in wire material, a difference in coating on top of the wires, a difference in thin film between the wires and the substrate, a difference in substrate between the wires, a difference in number of layers of separate wires, and/or a difference in wire cross-sectional shape.

Abstract: A method includes providing a layer having a plurality of spaced-apart lines of a first material extending along a first direction and forming a line of a second material on opposing surfaces of each line of the first material, the first and second materials being different and adjacent lines of the second material being discontinuous. After forming the lines of the second material, forming pairs of spaced-apart lines of a third material between adjacent pairs of the lines of the second material, wherein each line of the third material is spaced apart from the closest line of the second material and the first and third materials are different.

Abstract: An inorganic, dielectric grid polarizer device includes a stack of film layers disposed over a substrate. Each film layer is formed of a material that is both inorganic and dielectric. Adjacent film layers each have different refractive indices. At least one of the film layers is discontinuous to form a form-birefringent layer with an array of parallel ribs having a period less than 400 nm. Another layer, different than the form-birefringent layer, is formed of an optically absorptive material for the ultra-violet spectrum.

Abstract: A polarizing plate with high reliability even under a high-temperature or high-humidity environment is provided. A substrate has a non-formation region on a circumferential edge part, the non-formation region where a grid is not formed.

Abstract: Disclosed are optical projection lenses for projecting three dimensional images. Exemplary lenses comprise a chassis, first and second sets of offset truncated optical elements and first and second polarizers respectively disposed in light paths of the first and second sets of optical elements. An optional hot mirror may be disposed between the polarizers and the sets of optical elements. Preferably, an aperture plate is disposed at an output end of the chassis. The aperture plate may comprise upper and lower adjustable masking strips that are adjustable up and down to allow masking of an image for a particular throw. The lenses comprise focus adjustment apparatus for adjusting the relative focus of the sets of optical elements, and convergence adjustment apparatus for adjusting the convergence of the sets of optical elements.

Abstract: A polarizing element includes: a substrate; a plurality of reflection layers that is arranged in a band shape at a predetermined interval on the substrate; dielectric layers that are formed on the reflection layers; and inorganic micro-particle layers that are formed on the dielectric layers by inorganic micro-particles having shape anisotropy in which a length of a diameter of the micro-particles in an arrangement direction of the reflection layers is longer than a length of a diameter of the micro-particles in a direction orthogonal to the arrangement direction of the reflection layers and has convex portions toward a side of a first adjacent reflection layer and a side of a second adjacent reflection layer.

Abstract: A polarizing element includes: a substrate; a plurality of reflection layers that is arranged in a band shape at a predetermined interval on the substrate; dielectric layers that are formed on the reflection layers; and absorption layers on the dielectric layers that have convex portions disposed toward a side of a first adjacent reflection layer and a side of a second adjacent reflection layer.

Abstract: A polarization element includes: a substrate; a plurality of thin metal wires provided to the substrate in a striped manner; and a plurality of protruding sections made of metal provided to each of the thin metal wires, and arranged in a longitudinal direction of the thin metal wire at a pitch shorter than a wavelength of incident light.

Abstract: A polarizer including a substrate sheet configured with grid elements on at least a first surface, wherein the grid elements have a height to width aspect ratio of at least 1.5:1, and metal coupled with the grid elements, wherein the metal comprises a height to width aspect ratio greater than the aspect ratio of the grid elements of the substrate.

Abstract: A color light guide panel, suitable for differentiating an incident light into multiple color lights is provided. The color light guide panel includes a substrate and a color light output structure. The substrate has multiple pixel regions, and the color light output structure is disposed in each of the pixel regions. The color light output structure includes a first nano-pattern, a second nano-pattern and a third nano-pattern. The incident light is scattered by the first nano-pattern for producing a first color light, scattered by the second nano-pattern for producing a second color light, and scattered by the third nano-pattern for producing a third color light. The color light guide panel can output uniform and high luminous first, second and third color light. Moreover, a liquid crystal display device having the above color light output structure is also provided.

Abstract: The present invention relates to an array substrate of TFT-LCD and Method for manufacturing the same. The array substrate includes: gate lines, data lines, pixel electrodes and TFTs formed on a substrate; and a grid graph formed on each of the pixel electrode to make each of the pixel electrodes be simultaneously a built-in polarizer and change natural lights into linear polarized lights. The method for manufacturing an array substrate includes: forming a graph including gate electrodes and gate lines on a substrate; depositing continuously a gate insulating layer, a semiconductor layer and a doped semiconductor layer, and forming graphs of semiconductor layers and doped semiconductor layers above the gate electrodes; forming graphs of source electrodes, drain electrodes, data lines and pixel electrodes, in which a grid graph formed on each of the pixel electrode to make each of the pixel electrodes be simultaneously a built-in polarizer and change natural lights into linear polarized lights.

Abstract: The wire grid type polarization device includes a substrate, and a metal layer formed on one face of the substrate in a substantially stripe shape in a plan view, a first dielectric layer provided on two side faces opposite to each other among a plurality of side faces of the metal layer and in a top part of the metal layer, and a second dielectric layer provided on the first dielectric layer. A substrate side end portion of the second dielectric layer is located between the one surface of the substrate and the top part of the first metal layer.

Abstract: A wire grid polarizer and a method of manufacturing the wire grid polarizer are provided. The wire grid polarizer includes: a substrate; and a plurality of core-shell nano wires arranged on the substrate and including wire cores and polymer shells enclosing the wire cores to a predetermined thickness.

Abstract: An object of the present invention is to provide a liquid crystal display device having a wide view angle, reduced power consumption and high quality with an absorption axis of a polarizing plate and an optical axis of a retardation plate made to coincide with high accuracy without using expensive equipment and complicated steps. On a transparent substrate 11 is formed a retardation film 21 that is self-organized due to irregularities on a surface of a metal wire 12 formed on a wire grid polarizer to thereby generate a retardation.