Entries |
Document | Title | Date |
20080198469 | Optical window member - A disclosed optical window member includes a transparent synthetic resin plate comprising a surface with a protruding/recessed pattern of a predetermined fineness that causes light diffusion; and an optical thin film formed on the surface of the transparent synthetic resin plate with the protruding/recessed pattern. The optical thin film determines a component of light transmitted through the optical thin film and light reflected from the optical thin film. | 08-21-2008 |
20080204883 | PHOTOGRAPHIC DIFFUSER - A photographic light diffusing device is provided. A cowl is adapted to be mounted on a photographic light source, the cowl including an opening through which the photographic light source is visible when the cowl is mounted on the photographic light source. The cowl may also include at least one movable flap and a filter slot for a gel filter. | 08-28-2008 |
20080204884 | Integrating Sphere Having Means For Temperature Control - The present invention relates to an integrating sphere for measuring a light-emitting property of a light source, and more particularly, to an integrating sphere having a means for controlling temperature inside the integrating sphere. An integrating sphere for measuring an optical property of a light source according to the present invention has a substantially spherical hollow space formed therein; a first through-hole provided such that a wire for supplying electric power to the light source installed inside the hollow space of the integrating sphere passes therethrough; and a second through-hole provided such that temperature-controlled air is supplied into the hollow space of the integrating sphere therethrough. A light source support, which has one end disposed at the center of the hollow space of the integrating sphere and the other end fixed to an inner peripheral surface so as to hermetically seal the first through-hole of the integrating sphere, is installed within the hollow space. The integrating sphere includes an air supply tube fixed to an outer peripheral surface of the integrating sphere where the second through-hole is formed, so that air can be supplied to the interior of the integrating sphere through the second through-hole; an air supply means for supplying air to the air supply tube; a temperature control means for controlling the temperature of air being supplied from the air supply means and passing through the air supply tube; and a shielding plate installed to be spaced apart by a predetermined distance from the second through-hole. | 08-28-2008 |
20080204885 | Methods for Producing a Structured Sol-Gel Layer - The present invention relates to processes for the production of a structured surface on a substrate in which a substrate is introduced into a sol which has been set in vibration or a substrate which has been set in vibration is introduced into a sol which has optionally been set in vibration. The present invention likewise relates to substrates structured in this way and to the use thereof in optical applications. | 08-28-2008 |
20080218864 | OPTICAL SECURITY SYSTEM USING FOURIER PLANE ENCODING - A method of verifying the authenticity of an object is disclosed. The method may include encoding a primary image, convolving the encoded primary image with a random code, generating thereby a first reference image, transforming the first reference image, and correlating the first reference image with a second reference image. | 09-11-2008 |
20080225394 | Optical element - An optical element is provided in the present invention, which comprises an element body and a plurality of microlens elements. The element body has a first surface disposed thereon. The plural microlens elements are arranged two-dimensionally on the first surface. The size and shape for each microlens elements may be different from each other and the arrangement for the plural microlens elements on the first surface may be random and arbitrary so that the optical element of the present invention are capable of performing light diffusion and light-redirecting effects without generating interference fringes. | 09-18-2008 |
20080231958 | Apparatus and methods for forming a reflector - The invention relates an apparatus and method for forming a diffuse reflector. In one embodiment of the invention, a diffuse reflector is formed by exposing transmissive particles of a pre-determined purity to pressure and forming a material having desired diffuse reflective properties. The transmissive particles may further be thermally treated, such as by sintering, to form material having desired diffuse reflective properties. The treated transmissive particles may then be disposed in a vessel and define a cavity therein to form an integrated cavity diffuse reflector. | 09-25-2008 |
20080252980 | OPTICAL ARTICLE AND METHOD OF MAKING - Disclosed herein is an optical article having a top layer with a structured surface that collimates light, a core layer secured to the top layer opposite the structured surface, and a bottom layer secured to the core layer opposite the top layer. Either the top layer or the core layer includes a first extrudable polymer having a flexural modulus of greater than 2.5 GPa, and the other layer includes a second extrudable polymer having a flexural modulus of 2.5 GPa or less, an impact strength of greater than about 40 J/m, and tensile elongation at break of greater than about 5%. The bottom layer includes a third extrudable polymer. The bottom layer of the optical article may be structured to diffuse light. One or two optical articles may be secured to an optical film such as a polarizer film. Methods and display devices are also disclosed herein. | 10-16-2008 |
20080252981 | Optical space transmission module - An optical space transmission module is provided, which reduces an upper limit of light output based on safety standard of laser, reduces light returned to a laser, and is made smaller in size. The optical space transmission module comprises a light emitting section | 10-16-2008 |
20080266665 | Lens system for traffic signal lighting - A traffic light compound lens system is presented that utilizes two Fresnel lenses to provide a more efficient lens system with better light directing capabilities than a single lens system. The optical power of each Fresnel lens is less than that required for the single lens system. Due to aberration reduction, the compound lens system has less geometrical aberration than a single lens system, especially over a larger field of view, and has improved directionality. In addition, the compound lens system has better collection efficiency. | 10-30-2008 |
20080278818 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes a transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a diffusion layer, and a lamp-receiving portion. The bottom surface is opposite to the light output surface. The diffusion layer is formed on the light output surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 11-13-2008 |
20080297906 | Anisotropic Diffusion Film - An anisotropic diffusion film has a high brightness, high luminance uniformity ratio and a high productivity, and is suitable essentially for a surface light source of planar display devices for liquid crystal display devices and the like, such as a direct backlight. In the anisotropic diffusion film, a stripe-shaped convex lens is formed on one surface of a substrate film. The cross-sectional shape of a plane vertical to the stripe direction satisfies the following conditions that (A-C) and the whole of light transmittance of the anisotropic diffusion film is 70% or more: A: the contour of the projecting part of the cross-sectional shape is a curved line; B: the aspect ratio of the projecting part of the cross-sectional shape is 1 or more but not more than 3; and C: the distance between the apexes of the adjacent projecting parts of the cross-sectional shape is 10 μm or more but not more than 100 μm. | 12-04-2008 |
20080297907 | Seamless molded reflectant material - A reflector device for reflecting light from an LED and the like is provided. The reflector device comprises a reflectant material and a three-dimensional reflector formed from the reflectant material with the reflector having a top and a base and the reflector being entirely free from seams from the top to the base. | 12-04-2008 |
20080297908 | OPTICAL SHEET AND DISPLAY UNIT USING THE SAME - Provided is a contrast enhancing sheet having an excellent bright room contrast function and laid on the screen of a display unit, comprising a plurality of light transmitting portions each having a trapezoid-like sectional shape in a predetermined direction, and a plurality of light absorbing portions each having a wedge-like sectional shape, the top side of the trapezoid-like sectional shape of the light transmitting portion being adjacent to the bottom side of the wedge-like sectional shape of the light absorbing portion, wherein a light diffusion means is provided at the top side of the trapezoid-like sectional shape of the light transmitting portion. | 12-04-2008 |
20080316601 | Method for Manufacturing a Hybrid Microlens - The present invention provides a method for manufacturing hybrid microlenses of a light guiding plate using a semiconductor reflow process, comprising: a first step of aligning a mask on a substrate coated with a photoresist, wherein the mask is formed with a first region through which light can be transmitted and a plurality of second regions through which light cannot be transmitted, and the second regions have different sizes and shapes to form hybrid arrays; a second step of performing slant light exposure and vertical light exposure at least once in such a manner that light radiated from the top to the bottom of the second regions forming the hybrid arrays has an unsymmetrical inclination angle in at least one direction; a third step of developing the slant light-exposed substrate to obtain hybrid photoresist posts with various sizes and shapes; a fourth step of performing a reflow process to allow the hybrid photoresist posts to be curved so that a hybrid microlens pattern can be obtained; a fifth step of fabricating a depressed stamper with the hybrid microlens pattern engraved in a depressed fashion therein; and a sixth step of forming a light guiding plate by using the depressed stamper as a mold so that the hybrid microlens pattern can be formed in a raised pattern in the light guiding plate. | 12-25-2008 |
20080316602 | Antiglare film - An antiglare film comprises a transparent substrate; and an antiglare layer on the transparent substrate, the layer including a binder matrix, organic particle A and organic particle B having an average particle diameter smaller than an average particle diameter of particle A, organic particle A and organic particle B dispersed in the binder matrix. An antiglare film having of the present invention can have the following features: good antiglare property; no white blur; high abrasion resistant property; less dazzling; and not whitened. | 12-25-2008 |
20080316603 | Diffuser prism sheet having amorphous light diffusers on prism valleys, backlight unit using the same, mold, and associated methods - A diffuser prism sheet includes a transparent base film having a first surface and a second surface, a light refractor at the first surface of the base film, the light refractor including a plurality of unit prisms having a major axis extending in a first direction and having a predetermined cross sectional shape that defines valleys between adjacent unit prisms, and light diffusers including amorphous polygonal bosses in the valleys between adjacent unit prisms. | 12-25-2008 |
20090002831 | Glare-Proofing Optical Laminate - An anti-dazzling laminate made of an optical laminate including a light transparent base material and an anti-dazzling layer having a concavoconvex shape provided on the material. The laminate simultaneously satisfies formulae: 0≦G | 01-01-2009 |
20090002832 | Antiglare film and transmissive liquid crystal display - An antiglare film satisfies both (1) high antiglare property in the front direction and (2) absence of white blurring. One embodiment of the invention is an antiglare film provided with an antiglare layer on a transparent substrate, wherein the antiglare layer has a rugged structure on the surface opposite to the transparent substrate; the 5° reflectance of the antiglare film surface on the antiglare layer side is in a range of from 0.30% to 0.70%; the antiglare film surface on the antiglare layer side is provided with a rugged structure having arithmetic average roughness (Ra | 01-01-2009 |
20090009871 | SYSTEM AND METHOD FOR REDUCING VISIBLE SPECKLE IN A PROJECTION VISUAL DISPLAY SYSTEM - The invention provides an apparatus for reducing speckle in a projection visual display (PVD) system, a method of reducing visible speckle in a PVD system and a PVD system incorporating the method or apparatus. In one embodiment, the apparatus includes a diffuser interposable in an optical path of a PVD system and a diffuser actuator having a single drive axis configured to cause the diffuser to travel in a lissajous curve at least partially transverse to the optical path. | 01-08-2009 |
20090009872 | Light Diffusing Sheet - A light diffusing sheet brightens frontal direction illumination and resists curl without requiring a complicated design. | 01-08-2009 |
20090009873 | Thin film bulk and surface diffuser - A voided semi-crystalline polymeric integrated optical diffuser film is provided with surface beads. The film is useful when incorporated into a display device such as an LC display. | 01-08-2009 |
20090015925 | OPTICAL DIFFUSER FOR PRODUCING A CIRCULAR LIGHT FIELD - The optical diffuser has a transparent base body with a base body surface, which is divided into facets. Each facet has an elevation or a depression correlated or associated with a second curved surface. Respective facets have correspondingly different geometrical shapes. In some embodiments the respective apexes (S) of the elevations or depressions are arranged along a spiral, especially an Archimedean spiral. In other embodiments the apexes (S) are defined by coordinates (x | 01-15-2009 |
20090040617 | WINDOW COVER FOR A DISPLAY DEVICE, METHOD OF MANUFACTURING THE SAME AND DISPLAY DEVICE HAVING THE WINDOW COVER - A window cover for a display device includes a base plate, a printed layer, a specular layer and a light-providing sheet. The base plate has a first face and a second face opposite to the first face. The printed layer is arranged on the first face of the base plate. Further, the printed layer has a printed pattern formed. The specular layer is arranged on the printed layer to reflect a light incident to the specular layer. The light-providing sheet is placed on the second face of the base plate to provide the light to the printed layer. The display device may have improved appearance design. | 02-12-2009 |
20090040618 | LIGHT DIFFUSER PLATE - An object of the present invention is to provide a light diffuser plate ( | 02-12-2009 |
20090059377 | Antiglare Film - An antiglare film includes an antiglare layer having particles and a binder matrix on a transparent base material. An antiglare film surface on the antiglare layer side has a concave-convex structure with a ten-point average roughness (Rz | 03-05-2009 |
20090059378 | Devices, Systems, and/or Methods for Providing Illumination - Certain exemplary embodiments can provide and/or utilize a system comprising a first sheet formed of a light-diffusing material, said first sheet defining a pair of opposing faces and two pairs of opposing edges, said first sheet adapted to provide a substantially uniform illumination from at least one of said faces when light is transmitted into any of said edges; a first reflective layer adapted to reflect light toward a second face of said pair of faces; a second sheet formed of a light diffusing material; and a first light source adapted to transmit light into a first edge of said edges. | 03-05-2009 |
20090067053 | OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS HAVING SAME - An optical system includes an optical element formed of resin. On at least one of optical surfaces on the light incidence side of the optical element formed of resin, a plurality of depressions or protrusions of a size not larger than the wavelengths of visible light is formed without a periodic structure or in a random arrangement. | 03-12-2009 |
20090073564 | Optical film having light-scattering substrate and the process thereof - An optical film comprises a light-scattering substrate capable for diffusing light incoming through the substrate, and a prismatic layer having an array of a plurality of prisms and formed on the substrate for concentrating light when outgoing from the prisms, thereby obtaining an optical film for enhancing its brightness and light uniformity simultaneously. | 03-19-2009 |
20090073565 | PRISM SHEET AND BACKLIGHT MODULE USING THE SAME - An exemplary prism sheet includes a transparent main body. The main body includes a first surface, a second surface opposite to the first surface, a plurality of spherical depressions formed in the first surface, and a plurality of triangular pyramidal depressions and hexagonal pyramidal depressions formed in the second surface. Each of the triangular pyramidal depressions is surrounded by three adjacent hexagonal pyramidal depressions. A backlight module using the present prism sheet is also provided. | 03-19-2009 |
20090073566 | OPTICAL SHEET FOR DISPLAY UNIT AND MANUFACTURING METHOD THEREOF - In a manufacturing method of the present invention, a diffusion sheet having a flat size of a product size or more is laminated to a front surface and/or back surface of a lens sheet having flat size of the product size or more, and the stack is cut along its periphery into the product size, and the lens sheet and the diffusion sheet are bonded to each other at least one or more peripheral points thereof. This eliminates a step for individually cutting a number of films (sheets) into a product size, and a step for aligning the number of films (sheets) for lamination. In addition, the method does not cause a problem of waste of protective sheets, but provides advantages in both cost and quality. There is no problem caused in laminating a number of films, or problems caused by different thermal expansions/thermal shrinkages of a plurality of films. | 03-19-2009 |
20090080078 | Optical film having light-concentrating and light-scattering structured layer - An optical film comprises: a transparent substrate; and a hybrid structured layer formed on the transparent substrate and including an upper structured portion composed of a plurality of light-concentrating units, such as prisms, formed on an upper portion of the hybrid structured layer for light concentrating, and a light scattering portion formed on a lower or bottom portion of the hybrid structured layer for light diffusing, thereby forming an optical film for simultaneously enhancing the brightness and light uniformity of the optical film and the optical devices made therefrom. | 03-26-2009 |
20090080079 | LIGHT DIFFUSIVE POLYCARBONATE RESIN COMPOSITION AND LIGHT DIFFUSIVE PLATE USING SAID RESIN COMPOSITION - The present invention provides a light-diffusive polycarbonate-based resin composition which includes (A) 100 parts by mass of an aromatic polycarbonate resin, (B) 0.01 to parts by mass of a light-diffusing agent, and (C) 0.1 to parts by mass of a styrene-(meth)acrylic ester copolymer, and a light-diffusing plate formed from the composition. The light-diffusive polycarbonate-based resin composition can be injection-molded to form a light-diffusing plate having satisfactory precision in thickness for use in comparatively large liquid crystal displays having a size larger than 20 inches. | 03-26-2009 |
20090086325 | Method and apparatus for frit sealing with a variable laser beam - A beam shaper is implemented to seal an OLED. The beam shaper comprises a first and second lens and a beam shaper. Changing the relative position of the first, second lens and beam shaper relative to each other enables the beam shaper to generate laser beams with different shapes and intensity profiles. | 04-02-2009 |
20090091836 | Turning film having multiple slopes - The present invention provides a light redirecting article for redirecting light toward a target angle, the light redirecting article comprising: an input surface comprising a plurality of light redirecting structures each light redirecting structure having a near surface having two slopes, sloping away from normal in one direction as defined by a first inclination base angle β | 04-09-2009 |
20090091837 | LIGHT GUIDING FILM - A light guiding film is provided including a main body, and a light diffusion structure comprising a plurality of micro concave lenses arranged in a first direction and a second direction to form a second dimensional array and the curvature of each concave lens and the junction of the concave lenses are different from zero. Light from a light source passes through the light diffusion structure and is refracted into the main body and then propagates in the main body by total reflection. | 04-09-2009 |
20090097123 | Light diffusing articles - A light diffusing article that has, on at least one surface, convergent lens particles or divergent lens particles. | 04-16-2009 |
20090109538 | Polymer Particles, Process for Production Thereof, Resin Compositions Containing the Particles, and Moldings - To provide a method of producing polymer particles having favorable powder characteristics accompanied by less structural restriction of high-molecular weight fine particles; a matte resin composition and a light diffusible resin composition which include polymer particles having favorable powder characteristics, and which have favorable physical properties and are also excellent in handleability; and a molded product thereof is objected to. Provided is a resin composition which includes: polymer particles (C) which are obtained by mixing a latex of polymer fine particles (A) having a volume mean particle size of 1 to 50 μm, a polymerizable monomer (B), a polymerization initiator, a suspension dispersant and a coagulating agent, followed by granulation, and suspension polymerization, and which have a volume mean particle size of 100 to 6,000 μm, and include fine powders of no greater than 50 μm at a content of no higher than 15% by weight; and at least one substrate resin (D) selected from the group consisting of thermoplastic resins, thermosetting resins, and elastomers. | 04-30-2009 |
20090116115 | POLYCARBONATE LIGHT DIFFUSING RESIN COMPOSITION - The present invention provides: a polycarbonate light diffusing resin composition in which a first discoloration is a little, and particularly a photo-deterioration caused by a cold-cathode tube as a light source of liquid crystal displays is suppressed; and a light diffuser panel obtained by molding the same. | 05-07-2009 |
20090122409 | LIGHT-TRANSMITTING SCATTERER AND USE THEREOF - To provide a light scatterer with high heat resistance, small light absorption and high light stability or heat resistance, and a backlight structure, an eye-safe semiconductor and the like using the light scatterer. There are provided a light-transmitting scatterer comprising a solidified body in which at least two or more oxide phases selected from a single metal oxide and a complex metal oxide are formed to be continuously and three-dimensionally entangled with each other; and a backlight structure and an eye-safe semiconductor laser, each using the light scatterer. | 05-14-2009 |
20090128913 | Diffusion Plate and Diffusion Plate Assembly - The invention provides a diffusion plate and a diffusion plate assembly. The diffusion plate is made from transparent material. Pluralities of bar-type patterns are disposed on the emission surface of the diffusion plate. The outline of these patterns has a first curve and a second curve. The protruding direction of the first curve and the second curve are inversed. The second curve is an arc whose radius curvature is between 0.05 mm and 0.3 mm. | 05-21-2009 |
20090128914 | Diffuser plate, backlight and display have the same - A diffuser plate includes a first optical sheet having a rear surface configured to receive light from a light source and having a front surface configured to provide light to a second optical sheet, the first optical sheet having a predetermined pattern formed by a plurality of transmissive regions and a plurality of reflective regions, and a second optical sheet disposed in front of the first optical sheet, the second optical sheet including a rear surface configured to receive light from the first optical sheet, a front surface configured to emit light, and lenticular lenses on the front surface of the second optical sheet. | 05-21-2009 |
20090135489 | Light Diffusive Sheet for Backlihgt Unit and Preparation Thereof - A light diffusive sheet for a backlight unit, comprising a transparent substrate-photocured resin layer laminate having a plurality of hemispherical-shaped protrusions of varying sizes, has excellent luminance, and a wide screen view angle. | 05-28-2009 |
20090135490 | OPTICAL SHEET - An optical sheet is disclosed. The optical sheet includes a base film, a prism unit on the base film, an adhesive layer on the prism unit, and a first protective film on the adhesive layer. The prism unit is buried into the adhesive layer. | 05-28-2009 |
20090147365 | COATING SOLUTION FOR FORMING LIGHT DIFFUSION LAYER, AND LIGHT DIFFUSION PLATE - A light diffusion plate in which the adhesiveness, particularly long term adhesiveness, between a glass substrate and a light diffusion layer is good; a coating solution for forming light diffusion layer to be employed for producing this light diffusion plate; and a transmission screen, a rear projection type projection TV and a backlight unit for liquid crystal display employing this light diffusion plate; are provided. | 06-11-2009 |
20090153972 | TRANSLUCENT SUBSTRATE, PROCESS FOR PRODUCING THE SAME, ORGANIC LED ELEMENT AND PROCESS FOR PRODUCING THE SAME - The present invention provides an organic LED element in which the extraction efficiency is improved up to 80% of emitted light. Further, the invention relates to an electrode-attached translucent substrate having a translucent substrate, a scattering layer formed over the glass substrate and containing a base material having a first refractive index for at least one wavelength of wavelengths of emitted light of an organic LED element and a plurality of scattering materials positioned in the base material and having a second refractive index different from that of the base material, and a translucent electrode formed over the scattering layer and having a third refractive index equal to or lower than the first refractive index, in which distribution of the scattering materials in the scattering layer decreases from the inside of the scattering layer toward the translucent electrode. | 06-18-2009 |
20090161221 | Multi-Layered Light Diffusion Plate and Liquid Crystal Display Device Comprising the Same - Disclosed herein is a multi-layerd light diffusion plate, in which the multi-layered light diffusion plate is manufactured by coextruding a transparent layer comprising an amorphous transparent thermoplastic resin and a light diffusion layer comprising an amorphous transparent thermoplastic resin and transparent particles, so that the manufacturing process thereof is simple and efficient, and which has excellent light transmissivity and light diffusivity, high brightness, and high brightness uniformity, thereby improving viewing angle characteristics, and to a liquid crystal display device comprising the same. | 06-25-2009 |
20090168183 | OPTICAL MEMBER AND DISPLAY HAVING THE SAME - The present invention relates to an optical member for controlling light refraction and a display. An optical member of the present invention includes a base material and a foaming portion having a large number of foam elements. According to the present invention, a reflection or diffusion sheet can be manufactured by controlling the size of foam elements in the optical member. In addition, there is provided an optical member, which is formed of a foaming resin, which has no light diffusing agent in a base material layer and does not require a conventional stretching process, thereby securing light scattering power. | 07-02-2009 |
20090207496 | Polycarbonate Resin Composition for Light Diffusion Plates, and Light Diffusion Plate - There is provided a light diffusion plate for liquid crystal display devices which can be produced with an excellent productivity by an injection molding method, and have a thin thickness and a large size (wide area) and are excellent in dimensional stability, optical properties and mechanical strength. The present invention relates to a polycarbonate resin composition for light diffusion plates, comprising (A) 100 parts by weight of an aromatic polycarbonate resin having a viscosity-average molecular weight of not less than 12,000 and less than 15,000 and containing a low-molecular weight component having a molecular weight of less than 1,000 in an amount of not more than 2.5% by weight, and (B) 0.2 to 20 parts by weight of fine particles having a weight-average particle diameter of 0.7 to 30 μm. | 08-20-2009 |
20090207497 | Diffuser with Light Condensing Function - One face of a substrate of a diffuser with a light condensing function is disposed with a plurality of prism rods; at least one inclined face of parts of prism rods is disposed with a rough diffusion face; the diffusion face may be positioned on any position of the inclined face of the prism rod; the diffusion face is disposed with a plurality of irregularly arranged raised and indented stripes perpendicular, not perpendicular or parallel to a crest line of the prism rod; chromatic dispersion can be reduced and stripes of the prism rods can be atomized effectively by utilizing the diffusion face to eliminate the occurrence of moiré fringes and elevate the yield factor. | 08-20-2009 |
20090213464 | Light polarizing sheet and manufacturing method for same - Provides a light polarizing sheet which is easy to manufacture, offers the functionality of conventional multiple sheet structures, and satisfies both the luminance and viewing angle characteristics required for liquid crystal televisions and the like. | 08-27-2009 |
20090213465 | LIGHT DIFFUSION FILM - A light diffusion film ( | 08-27-2009 |
20090231713 | LASER POINTER VISIBILITY IMPROVING FILM, POLARIZING PLATE, IMAGE DISPLAY, AND LASER POINTER DISPLAY METHOD - A laser pointer visibility improving film that can improve visibility of a laser pointer on a display screen of an image display such as a CRT, a liquid crystal display (LCD), a plasma display panel (PDP), a electroluminescence display (ELD), etc., as well as a polarizing plate, image display, and laser pointer display method using the same. A haze value H and an arithmetic average surface roughness Ra of a viewing-side surface of the laser pointer visibility improving film satisfy a relationship of the following formula (1): | 09-17-2009 |
20090262428 | LIGHT DIFFUSING SHEET AND BACKLIGHT UNIT USING THE LIGHT DIFFUSING SHEET - A subject for the invention is to provide: a light diffusing sheet which, when incorporated in a direct-backlight unit, brings about high uniformity of luminance and a high average luminance; and a backlight unit having the sheet incorporated therein. | 10-22-2009 |
20090262429 | Antiglare Light Diffusing Member and Display Having Antiglare Light Diffusing Member - The purpose is to provide an antiglare light diffusing member that can satisfy both of external light reflection preventiveness and good contrast when being used for a display. The antiglare light diffusing member is made to be an antiglare light diffusing member having an antiglare light diffusing layer including a binder matrix and particles on a transparent base material, wherein the two types of surface roughness (Ra | 10-22-2009 |
20090279175 | Optical diffuser film with linear domains of varying diffusion - The present invention provides an optical diffuser film with linear domains of varying diffusion, the linear domains comprising light scattering particles located on at least one surface of the film, wherein the linear domains are tapered such that the thickness at a center of a cross section of the linear domain is thicker than that at an edge of the linear domain. | 11-12-2009 |
20090290220 | ANTI-GLARE FILM, METHOD FOR MANUFACTURING, THE SAME, AND DISPLAY DEVICE USING THE SAME - An anti-glare film has a plurality of diffuser elements, and has specified optical properties. The ratio of I(α+1)/I(α) is more than 0.1 to 0.6, where I(α) is an intensity of a light reflected toward an arbitrary angle α of 10° or less from a specular reflection direction of an incident light upon the surface at an angle of 5° to 30° from the surface normal, and I(α+1) is an intensity of a reflected light deviated from the arbitrary angle α by 1° in a wide-angle direction. The gain of a light reflected in the direction at 20° or more from the specular reflection direction of the incident light is 0.02 or less, in which the gain is obtained by normalizing a reflected light intensity using a specular reflection intensity of a standard diffuse plate as 1. The diffuser elements have an average space therebetween of 50 to 300 micrometers. | 11-26-2009 |
20090310222 | MULTILAYER OPTICAL FILM STRUCTURES HAVING IMPROVED PROPERTIES AND THE USE THEREOF - The present invention relates to an optical film structure having improved properties and comprising at least one prism film and/or diffuser film as well as a multilayer optical film, wherein the multilayer optical film has at least one top film having an outer layer directed towards the prism film and/or diffuser film and made from a plastics composition containing a transparent thermoplastic and at least one quaternary ammonium salt of a perfluoroalkylsulfonic acid as lubricant additive. According to the invention the outer layer has at least one coefficient of sliding friction of <0.30 relative to the prism film and/or diffuser film measured in accordance with ASTM D 1894-06, with a roughness R3z of >5 μm (R3z in accordance with ISO 4288). The invention also provides a backlight unit containing the improved film structure and the use of the optical film structure according to the invention for liquid crystal screens. | 12-17-2009 |
20090316268 | QUARTZ GLASS COMPONENT WITH REFLECTOR LAYER AND METHOD FOR PRODUCING THE SAME - Methods for producing a quartz glass component with reflector layer are known in which a reflector layer composed of quartz glass acting as a diffuse reflector is produced on at least part of the surface of a substrate body composed of quartz glass. In order, taking this as a departure point, to specify a method which enables cost-effective and reproducible production of uniform SiO | 12-24-2009 |
20090316269 | OPTICAL SHEETS - Disclosed is an optical film having an optical structure, such as a prism film or sheet, which is a constituent of a backlight unit. The optical film includes an optical structure layer having a plurality of optical structures, the surface of which is formed with irregularities, and the irregularities are formed on the surface of the light-collecting optical structure to satisfy predetermined conditions, thus effectively realizing a light-diffusing function, thereby eliminating the need to additionally mount a diffusion film or a protection film. When a particle dispersion layer is further formed on the surface of a transparent substrate opposite the surface having the optical structure layer, damage due to friction to prism films or other sheets may be prevented during the layering of the prism films or transport, thus obviating the use of a plurality of optical films. | 12-24-2009 |
20090316270 | DIFFUSER-INTEGRATED PRISM SHEET FOR BACKLIGHT UNITS AND METHOD OF MANUFACTURING THE SAME - Disclosed is a diffuser-integrated prism sheet, in which diffuser layers are provided on the upper and lower surfaces of the prism sheet and prism-shaped protrusions are formed in the prism sheet. The prism sheet for backlight units includes a lower diffuser layer having a light diffusion structure, a lower layer formed on the lower diffuser layer, a first intermediate layer formed on the lower layer and having prism-shaped protrusions formed parallel to each other, a second intermediate layer formed on the first intermediate layer, an upper layer formed on the second intermediate layer, and an upper diffuser layer formed on the upper layer and having a light diffusion structure, wherein an air layer is formed between the lower surface of the second intermediate layer and the valleys of the prism-shaped protrusions of the first intermediate layer. Also, a method of manufacturing the diffuser-integrated prism sheet is provided. | 12-24-2009 |
20090323189 | Anti-Reflection Structure Body, Method Of Producing The Same And Method Of Producing Optical Member - An anti-reflection structure body comprises a base member which is made of glassy carbon and at a surface of which is formed an anti-reflection structure including a cluster of minute projections each having a diameter that contracts towards a tip thereof. The minute projections preferably have an average height of from 200 nm to 3000 nm and an average maximum diameter of from 50 nm to 300 nm, and an average pitch of from 50 nm to 300 nm. An anti-reflection structure body which is easily produced, capable of achieving an anti-reflection effect near to non-reflection, and capable of providing the minute structure even to a member having a high melting point such as quartz glass or the like by transfer or the like can be provided. | 12-31-2009 |
20100007960 | STAMPER FOR PRESS-MOLDING OPTICAL ARTICLES, METHOD FOR MAKING SAME AND LENS MADE THEREBY - An exemplary stamper includes molding portions arranged in an array. Each of the molding portions includes a central optical molding portion and an annular peripheral molding portion surrounding the central optical molding portion. Each molding portion is capable of facilitating formation of a respective optical article. A surface roughness of the annular peripheral molding portion is larger than a predetermined wavelength of light. The predetermined wavelength is selected according to a wavelength of light that is expected to be incident on the optical article when the optical article is in use. | 01-14-2010 |
20100014164 | DIFFUSE REFLECTOR, DIFFUSE REFLECTIVE ARTICLE, OPTICAL DISPLAY, AND METHOD FOR PRODUCING A DIFFUSE REFLECTOR - Disclosed is a diffuse reflector comprising a consolidated nonwoven sheet having a thickness standard deviation of about 15 μm or less and a photopic reflectance of at least about 94% over the wavelength range of 380 nm to 780 nm. Further disclosed is a diffuse reflective article and optical display utilizing such a diffuse reflector, a method for producing such a diffuse reflector, and a method of improving light reflectivity utilizing such a diffuse reflector. | 01-21-2010 |
20100027124 | ANTI-GLARE FILM, METHOD OF MANUFACTURING THE SAME, AND DISPLAY APPARATUS USING THE SAME - An anti-glare film is provided and includes a substrate and an anti-glare layer which is formed on the substrate and contains fine particles. The anti-glare layer has micro concave/convex shapes on the surface. The micro concave/convex shapes of the anti-glare layer are formed by coating the substrate with a coating material containing the fine particles and aggregating the fine particles by a convection of the coating material. A thickness of the anti-glare layer is equal to or larger than a mean diameter of the fine particles and is equal to or less than three times as large as the mean diameter of the fine particles. The fine particles are constructed substantially by fine particles having particle sizes less than twice as large as the thickness of the anti-glare layer. | 02-04-2010 |
20100027125 | LIGHT DIFFUSING MEMBER - It is an object of the present invention to provide a light diffusing member which has excellent optical transparency and light resistance and has excellent light diffusibility despite of a small amount of filler to be added, and a method for producing the same. The light diffusing member of the present invention is a light diffusing member including a base material and ceramic particles contained in the base material, wherein the ceramic particles have a composition in which the total amount of MgO and Al | 02-04-2010 |
20100033825 | RETARDATION FILM - Disclosed is a film suitable for improvement of luminance, contrast and view angle of a liquid crystal display. Specifically disclosed is a retardation film having a thickness of 30-500 μm, a light transmittance of not less than 85%, and an Nz factor of not less than 10. | 02-11-2010 |
20100033826 | BRIGHTNESS ENHANCING FILM COMPRISING NANOCOMPOSITE STRUCTURE HAVING IMPROVED CRACK RESISTANCE - Microstructured films such as brightness enhancing films, polymerizable resin compositions comprising an organic component and surface modified nanoparticles, and surface modified nanoparticles are described. The microstructured film has a polymerized structure comprising the reaction product of the polymerizable resin composition (e.g. having a refractive index of at least 1.58). The cured nanocomposite (e.g. structure) can exhibit improved crack resistance. In some embodiments, the flexibility is expressed in terms of a cylindrical mandrel bend test property (e.g. a mandrel size to failure of less than 6 mm or a mandrel size to failure according to the equation D=1000(T/0.025−T) wherein T is the thickness in millimeters of a (e.g. preformed base layer). In other embodiments, the flexibility is expressed in terms of a tensile and elongation property (e.g. a tensile strength at break of at least 25 MPa and an elongation at break of at least 1.75%). | 02-11-2010 |
20100085643 | MOLDED MATERIAL AND THE DISPLAY DEVICE MANUFACTURED BY USING THE MOLDED MATERIAL - Disclosed related to a display device according to the present invention comprising an external housing; a display module accepted into the external housing; and an image signal processing unit supplying image signals to the display module, and the external housing including a regular reflection unit regularly reflecting lights from outside and a diffused reflection unit diffusely reflecting lights from outside. It is advantageous that the normal watching of the screen while the watching of the display device is not disturbed, and that the satisfactory of the users is improved with a predetermined pattern when the display device is not being used. Further, it is also advantageous that the area of gloss may be controlled as controlling the relative area of the regular reflection unit and the diffused reflection unit. | 04-08-2010 |
20100091374 | Optical Multilayer Body, Polarization Plate Using Same, and Image Display - There is provided an optical laminate which has anti-dazzling properties and can realize excellent glare preventive properties and black reproducibility (gradation rendering of black at low brightness). The optical laminate comprises: a light transparent base material and an anti-dazzling layer or a light diffusion layer provided on the light transparent base material, wherein the outermost surface of the anti-dazzling layer or light diffusion layer has a concavoconvex surface, and the anti-dazzling layer satisfies the following requirements: Sm is not less than 100 μm and not more than 600 μm, θa is not less than 0.1 degree and not more than 1.2 degrees, and Rz is more than 0.2 μm and not more than 1 μm, wherein Sm represents the average spacing of concavoconvexes in the anti-dazzling layer; θa represents the average inclination angle of the concavoconvexes; and Rz represents the average roughness of the concavoconvexes. | 04-15-2010 |
20100097705 | METHOD FOR PRODUCING OPTICAL LAYERED BODY, PRODUCTION APPARATUS OF OPTICAL LAYERED BODY, OPTICAL LAYERED BODY, POLARIZER AND IMAGE DISPLAY DEVICE - There is provided a method for manufacturing an optical laminate in which properties such as a glare-proof property, an antidazzle property, and a black reproducible property for obtaining, for example, glossy black, can be simultaneously obtained. Manufacturing equipment for the optical laminate is also provided. The method for manufacturing an optical laminate having a light-transmitting substrate and a glare-proof layer formed on the light-transmitting substrate comprises a step of forming the glare-proof layer having an uneven shape on the light-transmitting substrate. When an average pitch of the surface unevenness of the optical laminate is denoted by Sm, an average slope angle of the unevenness by θa, and an average roughness of the unevenness by Rz, the uneven shape satisfies the following conditions: Sm is greater than or equal to 50 μm and less than 100 μm; θa is greater than or equal to 0.1 degrees and less than or equal to 1.0 degree; and Rz exceeds 0.2 μm and is less than or equal to 1.0 μm. | 04-22-2010 |
20100097706 | Optical sheet - An optical sheet is adapted for diffusing and converging light, and includes a light-transmissive base layer, a prism layer, and a plurality of diffusion regions. The base layer has a first surface and a second surface that is opposite to the first surface. The prism layer is provided on the first surface of the base layer and has a plurality of prisms, each of which has a peak and two inclined surfaces that meet at the peak. At least two of the peaks of the prisms are different in height. The diffusion regions are disposed on the inclined surfaces of the prisms. Each of the diffusion regions is in the form of a roughened surface. | 04-22-2010 |
20100103525 | OPTICAL SHEET AND DISPLAY - An optical sheet capable of enhancing contrast is provided. The optical sheet includes a layer configured to control light incident on the layer and then allow the light to exit towards the observer side. The optical sheet includes: an optical functional sheet layer ( | 04-29-2010 |
20100110551 | LIGHT EXTRACTION FILM WITH HIGH INDEX BACKFILL LAYER AND PASSIVATION LAYER - A multifunctional optical film for enhancing light extraction includes a flexible substrate, a structured layer, a high index backfill layer, and an optional passivation layer. The structured layer effectively uses microreplicated diffractive or scattering nanostructures located near enough to the light generation region to enable extraction of an evanescent wave from an organic light emitting diode (OLED) device. The backfill layer has a material having an index of refraction different from the index of refraction of the structured layer. The backfill layer also provides a planarizing layer over the structured layer in order to conform the light extraction film to a layer of an OLED display device. The film may have additional layers added to or incorporated within it to an emissive surface in order to effect additional functionalities beyond improvement of light extraction efficiency. | 05-06-2010 |
20100118408 | DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - The present invention provides a display device and a method of fabricating the same. The display device includes a substrate, a transflective layer including first diffusive layers and second diffusive layers alternately arranged on the substrate, the first diffusive layers including a first diffusive material having a first refractive index, and the second diffusive layers including a second diffusive material having a second refractive index different from the first refractive index, a plurality of via holes formed in the transflective layer, and a light-emitting layer disposed on the substrate. | 05-13-2010 |
20100142055 | OPTICAL ELEMENT, DIRECTIONAL DIFFUSION FILM, AND METHOD OF MANUFACTURING OPTICAL ELEMENT - The present invention provides an optical element having a new structure that can he applied to a directional diffusion film suitably with a simpler process than before. An optical element includes a plurality of through holes in a transparent film matrix. The plurality of through holes are placed in a state where axial directions thereof are approximately in parallel with one another, and the axial directions of the through holes are inclined or approximately parallel to a thickness direction of the transparent film matrix. | 06-10-2010 |
20100149644 | LIGHT-DIFFUSING POLYCARBONATE RESIN COMPOSITION AND LIGHT-DIFFUSING PLATE - A polycarbonate-base light-diffusing resin composition contains: (A) 100 parts by mass of an aromatic polycarbonate resin; (B) 0.01 to 10 parts by mass of a light diffusing agent; (C) 0.05 to 5 parts by mass of a light resistant agent, the light resistant agent being one or more light resistant agent selected from a malonate-base compound, an oxalylanilide-base compound, a benzotriazole-base compound and an acrylic resin having a side chain of a benzotriazole-base skeleton; and 0.01 to 1 parts by mass of an ester compound of fatty acid and multivalent alcohol. By molding the composition by injection molding or the like, a light diffusing plate is obtained. | 06-17-2010 |
20100165466 | OPTICAL SHEET FOR DISPLAY, AND MANUFACTURING METHOD AND APPARATUS THEREFOR - An optical sheet for display use wherein two or more optical sheets are stacked therein and the optical sheets are joined to one another on one peripheral side of each by a thermoadhesive film is to be provided. Also an optical sheet for display use wherein two or more optical sheets are stacked therein and the optical sheets are joined to one another on two or more peripheral sides of each by a thermoadhesive film is to be provided. Since the optical sheets are joined to one another on one peripheral side or two or more peripheral sides of each by a thermoadhesive film, the step of cutting each of multiple films (sheets) into the product size can be omitted, and so can be the step of stacking multiple layers of films (sheets) while positioning them. Also, it is free from a problem which derives from protective sheets, resulting in advantages in both cost and quality aspects. Moreover, it is free from a problem which arises when multiple layers of films are stacked. | 07-01-2010 |
20100165467 | ANTI-REFLECTIVE COATED GLAS PLATE - An article comprising an anti-reflective glass plate, the plate having on at least a part of at least one of its surfaces a light reflection reducing coating wherein the wherein the coating contains nano-size particles and a binder, the coating having an arithmetic average roughness of 2-50 nm, and having per reflective coated side a minimum reflection at a wavelength between 400 and 800 nm of about 2% of less. | 07-01-2010 |
20100188751 | OPTICAL FILMS WITH INTERNALLY CONFORMABLE LAYERS AND METHOD OF MAKING THE FILMS - A co-extrusion method for making a replicated film. The method includes the steps of providing at least three materials and co-extruding them between a nip roll and a structured roll. The materials include a backside layer material, a core layer material, and a replicated layer material. The structured roll has a surface structure that is replicated onto the replicated layer, and the core layer is an internally conformable layer that conforms with the replicated layer. | 07-29-2010 |
20100188752 | DIFFUSER TO BE DETACHABLY MOUNTED ON A REFLECTOR SCREEN OR THE LIKE - A diffuser for releasable fastening to a reflector screen having screen spokes, includes a diffuser element and a fastening apparatus to fasten the diffuser element to the reflector screen. The fastening apparatus has a plurality of fastening elements constructed and adapted to receive corresponding screen spokes of the reflector screen. The fastening elements are constructed to apply a spring action and each fastening element has an opening to receive one screen spoke. | 07-29-2010 |
20100188753 | COLLIMATING MODULE AND DEVICE FOR ZERO OVERFILL ILLUMINATION APPLICATIONS WITH BEAM WIDTH CONTROL - A collimating module is presented. The collimating module comprises a rounded light entry side and a rectangular light exit side. A collimating device is also presented, and a method for providing collimated light. The collimating device comprises a first collimator having a light entry side and a light exit side, a scattering component having a light entry surface arranged adjacent to said light exit side, and a light exit surface. The collimating device further comprises a collimating module having a light entry side arranged adjacent to said light exit surface. | 07-29-2010 |
20100188754 | LIQUID CRYSTAL DISPLAYS WITH LAMINATED DIFFUSER PLATES - In a liquid crystal display (LCD), for example an LCD monitor or an LCD-TV, a number of light management films, including a diffuser layer, lie between the light source and the LCD panel to provide bright, uniform illumination. In some embodiments, the diffuser layer is attached to the lower side of the LCD panel. Some, or all, of the light management layers may be attached together as a laminated stack of films. In some embodiments, the diffuser layer is formed with a recessed region on one side and another optical film positioned within the recessed region. | 07-29-2010 |
20100208352 | GLARE-PROOFING AND LIGHT-TRANSMITTING HARD COAT FILM - The present invention provides a which comprises a cured resin layer (A) of a curable composition containing an active energy ray curable compound and a microparticle dispersed therein and a cured resin layer (B) of a curable composition containing an active energy ray curable compound and a microparticle dispersed therein, and the layer (A) and the layer (B) being laminated in order on at least one surface of a light-transmitting substrate film, wherein a total film thickness of the layer (A) and the layer (B) is 1 to 10 μm, a microparticle A having an average particle size of 0.5 to 10 μm is compounded in the layer (A) in an amount of 0.5 to 60 parts by mass to 100 parts by mass of an active energy ray curable compound, and a microparticle B having an average particle size which is less than an average particle size of the microparticle A is compounded in the layer (B). The glare-proofing and light-transmitting hard coat film of the present invention can have a satisfactory level of a glare-proofing property and display a black color on an image more intensely. | 08-19-2010 |
20100232022 | Diffuser with light condensing function - One face of a substrate of a diffuser with a light condensing function is disposed with a plurality of prism rods; at least one inclined face of parts of prism rods is disposed with a rough diffusion face; the diffusion face may be positioned on any position of the inclined face of the prism rod; the diffusion face is disposed with a plurality of irregularly arranged raised and indented stripes perpendicular, not perpendicular or parallel to a crest line of the prism rod; chromatid dispersion can be reduced and stripes of the prism rods can be atomized effectively by utilizing the diffusion face to eliminate the occurrence of moiré fringes and elevate the yield factor. | 09-16-2010 |
20100232023 | ANTI-GLARE FILM, METHOD FOR MANUFACTURING THE SAME, AND DISPLAY DEVICE USING THE SAME - An anti-glare film has a plurality of diffuser elements, and has specified optical properties. The ratio of I(α+1)/I(α) is more than 0.1 to 0.6, where I(α) is an intensity of a light reflected toward an arbitrary angle α of 10° or less from a specular reflection direction of an incident light upon the surface at an angle of 5° to 30° from the surface normal, and I(α+1) is an intensity of a reflected light deviated from the arbitrary angle α by 1° in a wide-angle direction. The gain of a light reflected in the direction at 20° or more from the specular reflection direction of the incident light is 0.02 or less, in which the gain is obtained by normalizing a reflected light intensity using a specular reflection intensity of a standard diffuse plate as 1. The diffuser elements have an average space therebetween of 50 to 300 micrometers. | 09-16-2010 |
20100238558 | COMPOSITION FOR ANTI-GLARE FILM AND ANTI-GLARE FILM PREPARED USING THE SAME - The present invention provides a composition for an anti-glare film that includes a binder resin; and an organic particle which is included in an amount of 1 to 30 parts by weight based on 100 parts by weight of the binder resin and in which concave 1 and convex patterns are formed on a surface thereof, and an anti-glare film that is manufactured by using the same. Accordingly, the storage stability of a particle that is included in an anti-glare film for high resolution is improved to increase the durability and a lifespan of products, a glare phenomenon that is caused by incident light and recognized by an user is prevented, and image clarity and contrast ratio that is realized by using an image display device are improved. | 09-23-2010 |
20100246015 | Light guide plate - A light guide plate comprises: a rectangular light exit plane and at least one light entrance plane in contact with the light exit plane, wherein the light guide plate comprises three or more structural layers disposed on each other in a direction normal to the light exit plane, each structural layer containing scattering particles dispersed therein, the structural layers having different particle densities of scattering particles. | 09-30-2010 |
20100246016 | GLASS HAVING ANTI-GLARE SURFACE AND METHOD OF MAKING - A glass article having an anti-glare surface. The anti-glare surface has a distinctness-of-reflected image of less than 95, and a haze of less than or equal to 50%. In one embodiment, the glass article further includes a smudge-resistant surface disposed on the anti-glare surface. Methods of making the glass article and anti-glare surface are also described. | 09-30-2010 |
20100254012 | Reflector and Manufacturing Method Thereof - Provided are a reflector that reflects incident light and comprises crystalline plastic in which a crystal region and an amorphous region are mixed, wherein the amorphous region includes a plurality of orientation layers comprising amorphous particles that are oriented in a predetermined direction, and a method of manufacturing the same. The reflector, which has high reflectance, is formed by extending a crystalline plastic material exhibiting a superior extensibility to extend the amorphous particles in the amorphous region in the predetermined direction so as to form a plurality of extension layers in the amorphous region. According to the present invention, since a reflector having a superior performance with a very improved reflectance can be provided due to a high diffuse reflectance by the extension layers in the amorphous region without a foaming process or an additional additive to increase the reflectance, the manufacturing process of the reflector is simplified and the manufacturing cost is reduced so that productivity can be greatly improved. | 10-07-2010 |
20100254013 | FRESNEL LENS WITH CAVITIES - An exemplary Fresnel lens includes a flat emitting surface and a plurality of annular Fresnel lens elements at an opposite side thereof to the emitting surface. Each of the Fresnel lens elements has a non-lens surface perpendicular to the emitting surface and a Fresnel lens surface adjoining the non-lens surface with an acute angle. Each of the Fresnel lens elements has a plurality of spaced cavities defined in the non-lens surface. | 10-07-2010 |
20100259825 | COMPOSITE BRIGHTNESS ENHANCEMENT FILM HAVING TWO-PHASE HAZING LAYER - A composite brightness enhancement film having a two-phase hazing layer is provided, and includes a substrate, a two-phase hazing layer and a brightness enhancement structure layer. The substrate has a light inputting surface and a light outputting surface on which the two-phase hazing layer is formed. The two-phase hazing layer includes at least two resin material uniformly mixed with each other. The at least two resin material is incompletely dissolved into each other, and has different refractive indexes from each other, so that the two-phase hazing layer can be used to diffuse and haze a light. The brightness enhancement structure layer is formed on the two-phase hazing layer, and has a plurality of brightness enhancement micro-structures for enhancing the light. | 10-14-2010 |
20100259826 | PLANAR PLASMONIC DEVICE FOR LIGHT REFLECTION, DIFFUSION AND GUIDING - A planar plasmonic device includes a first material layer having a surface configured to receive at least one photon of incident light. A patterned plasmonic nanostructured layer is disposed adjacent and optically coupled to the first material layer. The patterned plasmonic nanostructured layer includes a selected one of: a) at least a portion of a surface of the patterned plasmonic nanostructured layer includes a textured surface, and b) at least one compound nanofeature including a first material disposed adjacent to a second material within the compound nanofeature. | 10-14-2010 |
20100296169 | ANTI-GLARE FILM, METHOD OF MANUFACTURING SAME, AND DISPLAY DEVICE - An anti-glare film includes a base having an irregular surface and a hard coat layer disposed on the irregular surface of the base. The surface of the hard coat layer has an irregular shape following the irregular surface of the base. The hard coat layer is obtained by applying an ultraviolet curable resin composition to the irregular surface of the base, followed by drying and curing. The ultraviolet curable resin composition contains a monomer and/or oligomer having two or more (meth)acryloyl groups, a photopolymerization initiator, an inorganic oxide filler, a viscosity modifier, and a conductive polymer. | 11-25-2010 |
20100302641 | Optical Diffusers, Photomasks and Their Methods of Fabrication - A large mask with random apertures may be formed by forming a smaller mask (also called a cell mask) with a random pattern of transmissive apertures which is then repeatedly replicated to create the large mask. The random pattern may be created by perturbing the aperture locations by a small amount or the apertures may be randomly placed within the cell mask provided certain criteria are met. Alternatively, a large mask with a random pattern of transmissive apertures may be formed without using a cell mask. This large mask may be used to fabricate diffusers and other devices that do not suffer from the interference, diffraction and other optical effects common in devices having structures that are non-randomly patterned. | 12-02-2010 |
20100315716 | Microstructure diffuser - A microstructure diffuser includes a light-entering surface, a light-emitting surface, and a plurality of microstructure portions having a first microstructure unit and a second microstructure unit. The first microstructure unit includes a first side surface, a second side surface, a top surface, a first pitch (P | 12-16-2010 |
20100321783 | METHOD OF MAKING ANTIREFLECTIVE ROUGHENED SURFACE AND LENS BARREL WITH ROUGHENED SURFACE MADE BY THE METHOD - A method of turning the surface of a die, which is used to make a product, into an antireflective roughened one includes the steps of: a) producing a first roughness on the surface of the die; and b) producing a second roughness, which is smaller than the first roughness, on the surface of the die on which the first roughness has already been produced. | 12-23-2010 |
20100321784 | Optical Elements with Gradient Structure - The invention relates to optical elements with gradient structure, in particular for holographic applications, wherein the gradient structure is formed by a refractive index gradient and a method for production of said optical elements with gradient structure. | 12-23-2010 |
20110019279 | LIGHT DIFFUSING FILM AND PROCESS FOR PRODUCING THE LIGHT DIFFUSING FILM - A light diffusing film having superior productivity can be obtained by using very short fibers as a substitute for conventional spherical fine particles as light diffusing material. It is possible to mass-produce very short fibers at low cost, for example, by cutting fibers. Further, it is relatively easy to obtain very short fibers with a narrow fiber length distribution. The use of this makes it possible to carry out more highly sophisticated optical design of light diffusing films. | 01-27-2011 |
20110019280 | PRIMER LAYER FOR MULTILAYER OPTICAL FILM - Disclosed herein is an optical article including a multilayer optical film and a primer layer disposed on the multilayer optical film. The primer layer consists essentially of a sulfopolyester and a crosslinker. The multilayer optical film may be a reflective film, a polarizer film, a reflective polarizer film, a diffuse blend reflective polarizer film, a diffuser film, a brightness enhancing film, a turning film, a mirror film, or a combination thereof. A microstructured or unstructured optical layer may be disposed on the primer layer opposite the multilayer optical film. Also disclosed herein is a method of making the optical article. Also disclosed herein is a display device including the optical article. | 01-27-2011 |
20110026124 | MULTI-FUNCTIONAL OPTIC FILM - Disclosed is a multifunctional optical sheet for use in liquid crystal displays, which can exhibit appropriate hiding performance while realizing luminance equivalent to that of a conventional case in which a prism sheet is layered on a light diffusion member, thus reducing the number of sheets to be mounted in a backlight unit. | 02-03-2011 |
20110051247 | OPTICAL SHEETS - Disclosed is an optical sheet having a structured surface and a composition for forming optical three-dimensional patterns able to form the structured surface, which is not easily damaged by external force or a rough surface and thus facilitates the handling thereof, reduces defective rates to thus decrease the production cost and increase the production efficiency, and prevents a decrease in luminance attributable to damage. | 03-03-2011 |
20110051248 | Hybrid Optical Film - A hybrid optical film includes a first layer, a second layer, and a plurality of diffusion structures. The first layer has a light entering face and a first refractive index. The second layer has a second refractive index and is disposed on a face of the first layer opposite to the light entering face, wherein the second refractive index is lower than the first refractive index. The plurality of diffusion structures are disposed on the interface of the first layer and the second layer. The diffusion structure has a third refractive index, wherein the third refractive index is between the first refractive index and the second refractive index and is selectively equal to the first refractive index and the second refractive index. | 03-03-2011 |
20110051249 | OPTICAL DEVICE, MANUFACTURING METHOD THEREOF, AND METHOD OF MANUFACTURING MASTER - An optical device that has an antireflection function includes: a base; and a plurality of structural bodies, which are formed by convex portions or concave portions, arranged on a surface of the base with a fine pitch that is equal to or smaller than a wavelength of visible light. The plurality of structural bodies are arranged so as to form tracks of a plurality of rows on the surface of the base and form a quasi-hexagonal lattice pattern, a tetragonal lattice pattern, or a quasi-tetragonal lattice pattern, and a packing ratio of the structural bodies to the surface of the base is equal to or higher than 65%. | 03-03-2011 |
20110058257 | OPTICAL ELEMENT - The present invention provides an optical element, which comprises:
| 03-10-2011 |
20110069392 | LIGHT DIFFUSING SILICONE RUBBER COMPOSITION AND MOLDED PART - A light diffusing silicone rubber composition is provided comprising a silicone rubber compound having an overall transmittance of at least 70% when measured in a cured sheet of 2 mm thick, and a light diffusing agent added and dispersed in the silicone rubber compound. The light diffusing agent is in the form of poly(meth)acrylate resin, polystyrene resin or (meth)acrylate-styrene copolymer microparticulates having an average particle size of 0.3-100 μm. | 03-24-2011 |
20110075262 | Asymmetric light diffuser and methods for manufacturing the same - Asymmetric light diffuser and the methods for manufacturing the same are provided. The diffuser is preferably a transparent film made by a stress-stretch process. Particularly, a substrate doped with variant beads is formed as an anisotropic film layer after the stress-stretch process, so that the characteristics with birefringence and diffusion are incorporated. Further the asymmetric relief structure is formed on the surface of substrate by means of extrusion or co-extrusion process. A uniform light and anisotropic refraction can be formed through the diffuser, and even the partial polarization scattering can be formed due to the asymmetric refraction. The preferred embodiment of the diffuser includes a first step of preparing the mold for forming the basic surface structure of the asymmetric diffuser. Further, the substrate with surface micro-structure is formed by a roll-to-roll process. After that, the inside variant refractions and structure deformation are formed under the stress-stretch process. | 03-31-2011 |
20110080643 | HARD-COATED ANTIGLARE FILM, POLARIZING PLATE AND IMAGE DISPLAY INCLUDING THE SAME, AND METHOD FOR EVALUATING THE SAME - A hard-coated antiglare film that has superior antiglare properties, and reflection properties even when a haze value is low, and can improve the depth of black in black display by preventing “tinting” occurs specifically when a reflection is reduced, a polarizing plate, and the like. The film has a reflection intensity ratio of 3 or less, a hard-coating antiglare layer containing fine particles, and an antireflection layer. A surface of the antireflection layer has an uneven shape, and an average angle of inclination θa and an arithmetic average surface roughness Ra in predetermined ranges. At the surface of the antireflection layer, convexities exceeding a roughness mean line of a surface roughness profile in a predetermined number range, and convexities exceeding a standard line that is in parallel with the mean line and is located at a height of 0.1 μm in predetermined size and number ranges are included. | 04-07-2011 |
20110080644 | HARD-COATED ANTIGLARE FILM, POLARIZING PLATE AND IMAGE DISPLAY INCLUDING THE SAME, METHOD FOR PRODUCING THE SAME, AND METHOD FOR EVALUATING THE SAME - A hard-coated antiglare film that has an extremely low haze value, superior anti-fluorescent lamp glare properties, and anti-face glare properties, and can improve the depth of black in black display by preventing white blur from occurring, a polarizing plate, and the like. The hard-coated antiglare film includes: a transparent plastic film substrate; and a hard-coating antiglare layer containing fine particles, which is on at least one surface of the transparent plastic film substrate, and has a total haze value in a range of 0% to 5%. The number N | 04-07-2011 |
20110080645 | HARD-COATED ANTIGLARE FILM, POLARIZING PLATE AND IMAGE DISPLAY INCLUDING THE SAME, METHOD FOR PRODUCING THE SAME, AND METHOD FOR EVALUATING THE SAME - A hard-coated antiglare film that has superior antiglare properties, allow high definition to be provided even in the case of a low haze value, can prevent white blur in an oblique direction from occurring and, and can improve the depth of black in black display, as well as a polarizing plate, and the like. The hard-coated antiglare film includes a transparent plastic film substrate and a hard-coating antiglare layer containing fine particles, which is on at least one surface of the transparent plastic film substrate. The hard-coated antiglare film has a total haze value Ht in the range of 10% to 35%. The total haze value Ht and an internal haze value Hin satisfy a relationship of 0.5≦Hin/Ht≦0.9. The surface of the hard-coating antiglare layer has an uneven shape and an arithmetic average surface roughness Ra in the range of 0.1 to 0.3 μm. The hard-coated antiglare film includes: convexities that exceed a roughness mean line of a surface roughness profile; no convexities in which line segments of portions of the mean line that cross the convexities each have a length of 80 μm or longer, and convexities that exceed a standard line that is in parallel with the mean line and is located at a height of 0.1 μm; and at least 50 convexities in which line segments of portions of the standard line that cross the convexities each have a length of 20 μm or shorter in 4-mm long portion at an arbitrary location of the surface of the hard-coating antiglare layer. | 04-07-2011 |
20110085241 | TRANSMISSIVE OPTICAL MICROSTRUCTURE SUBSTRATES THAT PRODUCE VISIBLE PATTERNS - A light transmissive structure such as a light diffuser includes a substrate having optical microstructures. The optical microstructures include at least one feature that varies across the substrate, so as to produce a visible indicia relative to a viewer of the light transmissive structure. Related diffusers and methods of fabrication are also described. | 04-14-2011 |
20110090568 | RESIN PARTICLE HAVING MANY RECESSES ON THE SURFACE THEREOF - The present invantion provides a resin particle having many recesses on the surface thereof, which has solvent resistance and heat resistance. More specifically, the present invantion provides a resin particle having many recesses on the surface thereof which is obtained by using a seed particle, wherein a seed particle component in the resin particle has a crosslinked structure. Since the resin particle having many recesses on the surface thereof of the present invention is excellent in solvent resistance and heat resistance in addition to light diffusing properties, the resin particle is appropriate for use, for example, in not only cosmetics containing silicone oil and the like in a preparation, a light diffusing film and a light diffusing sheet prepared by dispersing resin particles as a light diffusing agent in an organic solvent such as 2-butanone and the like in a production process, and a light diffusing plate prepared by kneading at a high shear force the resin patticles as a light diffusing agent with polystyrene or polymethyl methacrylate and the like which melts at a high temperature of approximately 300° C. in a production process. | 04-21-2011 |
20110096402 | OPTICAL FILM COMPOSITE - The present invention relates to an optical film composite, which comprises a brightness enhancement element and a light diffusion element, wherein the light diffusion element comprises a substrate with a light diffusion layer on at least one side thereof, wherein the light diffusion element has a haze of no less than 98% as measured according to JIS K7136 standard method. | 04-28-2011 |
20110128627 | ANTIGLARE FILM AND DISPLAY DEVICE - To an adhesive tape, which is attached to a display of a display device, an antiglare film is attached so that a resin coating layer of the antiglare film faces down and so that an antiglare layer of the antiglare film is on a front side. In this state, reflection of extraneous light can be prevented or reduced, because the antiglare layer is on the front side of the display. The antiglare film is peeled off the display of the display device, flipped over, and re-attached so that the antiglare layer faces the display of the display device and so that the resin coating layer is on the front side (upper side). In this state, the display is provided with clear and excellent clarity of an image viewed through the antiglare film | 06-02-2011 |
20110128628 | ANISOTROPIC LIGHT-DIFFUSING FILM, ANISOTROPIC LIGHT-DIFFUSING LAMINATE, ANISOTROPIC LIGHT-REFLECTING LAMINATE, AND USE THEREOF - An anisotropic light-diffusing film, an anisotropic light-diffusing laminate, and an anisotropic light-reflecting laminate are provided which are excellent in both light transmittance and diffusivity. Also provided are a lighting equipment and a display device which employ any of the film and laminates and are excellent in light-diffusivity and brightness and in economy, etc. The anisotropic light-diffusing film is a film formed by melt-extruding a mixture of at least two thermoplastic resins incompatible with each other. The film has parallel light ray transmittance of 20-85%, haze of 10-80%, glossiness of 10-70%, and ratio of the vertical-direction diffusivity to the horizontal-direction diffusivity of transmitted light of 1.3-6.0. The anisotropic light-reflecting laminate comprises a light reflector and the anisotropic light-diffusing film laminated over at least one surface of the reflector. In the laminate, diffusivity ratio, reflectivity and diffusivity of reflected light satisfy respective specific ranges. | 06-02-2011 |
20110134533 | Optical light diffuser component and a method for manufacturing the same - An optical light diffuser component and a method of producing the same. The component comprises at least one substrate material with an index of refraction of n | 06-09-2011 |
20110149402 | DIFFUSION FILM AND PREPARATION PROCESS THEREOF - The present invention relates to a diffusion film comprising a substrate with a convex-concave microstructure layer on at least one side of the substrate wherein the diffusion film has a haze of no less than 5% and a total light transmittance of no less than 50% as measured according to JIS K7136 standard method and the convex-concave microstructure layer is formed by utilizing a coating composition comprising a polymer which is composed of a material that is the same as or similar to that of the main component of the substrate and a material that is incompatible with said polymer and applying said coating composition onto said substrate. | 06-23-2011 |
20110149403 | ANTI-REFLECTION FILM AND DISPLAY DEVICE INCLUDING THE SAME, AND MANUFACTURING METHOD OF ANTI-REFLECTION FILM AND MASTER FILM THEREFOR - An anti-reflection film and a display device including the same, and a manufacturing method of an anti-reflection film and a master film therefor. The anti-reflection film includes an anti-glare and anti-reflection layer, a surface of the anti-glare and anti-reflection layer having an anti-glare pattern for scattering incident light and an anti-reflection pattern. | 06-23-2011 |
20110164321 | DIFFUSING FILM HAVING MICRO LENS PATTERN AND EMBOSSED PATTERN - A diffusing film may have a microlens pattern and an embossed pattern on the surface thereof. The diffusing film includes a light entrance plane for receiving incident light, a light exit plane opposite the light entrance plane, the light exit plane for transmitting light, a plurality of microlenses on a surface of the light exit plane of the diffusing film, microlenses of the plurality of microlenses being spaced apart from one another, and a separation plane between the plurality of microlenses, the separation plane having an embossed pattern on a surface thereof. | 07-07-2011 |
20110170194 | OPTICAL SHEET AND DISPLAY DEVICE INCLUDING THE SAME - An optical sheet and a display device including the optical sheet are disclosed. The optical sheet includes a plurality of layers disposed on an observer side relative to an image source and capable of controlling light from the image source and transmitting the light to the observer side. At least one layer of the plurality of layers is an optical functional layer which includes: light transmissive portions having a trapezoidal cross section and arranged in parallel along a sheet face to be capable of transmitting the light; and light absorbing portions having a wedge-shaped cross section and arranged in parallel between the light transmissive portions to be capable of absorbing the light. The front transmittance x and the diffuse reflectance y of the optical functional layer satisfy a predetermined relationship. | 07-14-2011 |
20110181958 | PHOTON-ALIGNMENT OPTICAL FILM - A photon-alignment optical film includes a film substrate on which at least one layer of core/shell nanoparticles is coated. The core/shell nanoparticle layer includes a plastic substance, which is photo curable or heat curable, and a plurality of core/shell nanoparticles, which is uniformly distributed in the plastic substance. Light energy is used as a driving force to induce electrical potential of the same polarity on the surfaces of the core/shell nanoparticles to make the core/shell nanoparticles rearranged in the form of a matrix due to repulsion induced between like electrical polarity. Spacing between the particles, which is relatively constant, allows light to pass therethrough. The plastic substance is cured by light or heat to have the core/shell nanoparticles set in position to thereby form the optical film. Such an optical film features both diffusion and brightness enhancement. | 07-28-2011 |
20110199686 | Light Diffusion Cell For Laser Light, Light Source Device And Image Display Device Using Same - The present invention relates to a light diffusion cell for laser light where in a transparent cell in which a liquid can be sealed, a fine particle dispersion in which fine particles having an average particle size of 100 nm or more and 1.5 μm or less are colloidally dispersed in a liquid medium transmitting light, a same light diffusion cell comprising a reflection mechanism recursively using reflection light of incident light, a laser light source device comprising said light diffusion cell and a semiconductor laser light source and an image display device comprising said light diffusion cell or said laser light source device, and said light diffusion cell significantly reduce or remove speckle noise of semiconductor laser light. In addition, said light diffusion cell has an easy constitution, occupies a smaller volume and can be easily incorporated in any type of image display device using laser light. Therefore, it is possible to significantly reduce or remove speckle noise without large-sizing of an image display device using laser light or a higher cost-up. | 08-18-2011 |
20110205632 | OPTICAL FILTER FOR DISPLAY DEVICE AND DISPLAY DEVICE HAVING THE SAME - An optical filter provided in front of a display panel of a display device includes a background layer and a color shift-reducing pattern formed to a predetermined thickness at the background layer. The color shift-reducing pattern includes a plurality of pattern elements spaced apart from each other. At least two pattern elements of the plurality of pattern elements have different light absorptivities and/or light diffusivities. The at least two pattern elements may contain different amounts of a light-absorbing material that cause the different light-absorptivities and/or different amounts of a light-diffusing material that cause the different light diffusivities. The plurality of pattern elements may form a group of first pattern elements and a group of second pattern elements. Only the group of first pattern elements may contain the light-absorbing material, and only the group of second pattern elements may contain the light-diffusing material. The groups of first and second pattern elements may be arranged alternately. | 08-25-2011 |
20110235183 | Grooved lined mirror diffuser - A grooved lined mirror consists of a mounting substrate of plastic or similar substances whereby the surface is aligned by a plurality of chambers vertically along the substrate. These vertical separations in the substrate produce grooved lines along the perpendicular surface which is affixed by mirror film or poly gal. The substrate can be planar in shape are consist of a plurality of different angled V-shape bends to intensify effect. At least prismatic irregular surfaced sheet acts to diffuse the light reflected from the mirrored surface, thus producing enhanced angle reflected light spectra with a high intensity glow that's projected. The present invention may be applied, but not limited to, lighting, art, signs, edge moldings, shapes, logos, planters, and other surfaces. | 09-29-2011 |
20110249337 | OPTICAL DIFFUSION FILM - Measurement reference lengths of length and width are set with respect to a convex structure, and an average of vertical distances between tip points and bottom points inside a measurement reference area is calculated as an average height. An average of horizontal distances between the tip points and bottom points is calculated as an average distance. A value obtained by dividing the average height by the average distance provides a gradient ratio. An inverse tangent of the gradient ratio provides an average gradient angle. When the average gradient angle ranges from 5 degrees to 15 degrees and a standard deviation of average gradient angle ranges from 30% to 40% of the average gradient angle, a regular reflectance at a regular reflection angle with respect to incident light of an angle of 30 degrees from a normal direction of the film surface is 1% or less. | 10-13-2011 |
20110255168 | GRATING COMPRISING SUB-GRATINGS WITH LIGHT-DIFFUSING PATTERNS - A transparent substrate including at its surface a grating of parallel lines of patterns separated by zones with a refractive index different from that of the patterns, the grating diffusing light and including at least 4 sub-gratings, each sub-grating including plural blocks of identical patterns with a width L, each block including 2 to 10 of the patterns. Centers of gravity of neighboring patterns inside a block are separated by a constant period p, the distance Db between neighboring blocks vary in a non-monotonic manner when passing from one edge of the sub-grating to the other edge of the sub-grating, while being greater than 0 times L and less than 20 times L, and so that it is at least once greater than 1.2 Db | 10-20-2011 |
20110267694 | OPTICAL FILM - An optical film includes a light transmissive substrate having a first surface and a second surface opposite thereto, strip protrusions on the first surface, and protruding structures on crest lines of the strip protrusions. Each strip protrusion has two strip surfaces. Each protruding structure has a protruding end protruding from the crest line of the corresponding strip protrusion and two wing portions on the strip surfaces of the corresponding strip protrusion. Each wing portion extends from the protruding end to a place between the crest line and a valley line. A length of the protruding structure parallel to an extension direction of the crest line is L, a width of the protruding structure perpendicular to the crest line is W, and L/W≧1.2. At least one of a moiré phenomenon, a local adherence phenomenon, a scratching phenomenon, and a wearing phenomenon with other optical devices is effectively mitigated. | 11-03-2011 |
20110310487 | OPTICAL BODY, WALL MEMBER, FITTING, AND SOLAR SHADING DEVICE - 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. | 12-22-2011 |
20110317270 | ANTIREFLECTION FILM, METHOD FOR MANUFACTURING ANTIREFLECTION FILM, AND DISPLAY APPARATUS - The present application aims to provide an antireflection film having low reflectivity and suppressing glare. In at least one example embodiment, the antireflection film includes a surface that includes a moth-eye structure including multiple projections. Apexes of any two adjacent projections are apart from each other by a distance not longer than a wavelength of visible light. The moth-eye structure has sticking structures each of which includes projections with tip portions of the projections adhering to each other. Each of the sticking structures is 0.05 μm or greater and smaller than 1 μm in diameter. The sticking structures exist at a number density in planar area of the antireflection film of 0.01 pcs/μm | 12-29-2011 |
20120008211 | LIGHT GUIDE MEMBER - A light guide member includes a first light guide film, a second light guide film, a diffuser film and an atomization film superposed together one by one. The first light guide film includes a plurality of first light guide dots and the second light guide film includes a plurality of second light guide dots staggered with the plurality of first light guide dots. The plurality of first light guide dots and the plurality of second light guide dots reflect the light towards any directions and then make the light uniformly and brightly emit out from the first light guide film and the second light guide film. The diffuser film controls the luminance and improves the uniformity of the light. The atomization film atomizes the light and solves the problem of visible dots. | 01-12-2012 |
20120008212 | COMPOSITE OPTICAL FILM - A composite optical film is provided. The composite optical film sequentially includes a substrate, a light diffusion layer, and a light-gathering layer. The light diffusion layer includes a binder and plural micro beads dispersed therein. The thickness of the light diffusion layer is 2-6 times of the average diameter of the micro beads, and the distance between adjacent micro beads is smaller than the average diameter of the micro beads. The light-gathering layer has plural light-gathering micro structures. | 01-12-2012 |
20120013986 | OPTICAL DISPLAY WITH OPTICAL MONOLITH - An optical device includes an optical monolith having inclusions for diffusing light. | 01-19-2012 |
20120013987 | LIGHT SCATTERING SHEET AND METHOD FOR PRODUCING THE SAME - A light scattering sheet includes: a transparent support; and a light scattering layer on the transparent support, the light scattering layer having a phase-separated convexo-concave structure formed by spinodal decomposition of a solution containing two or more resin materials capable of phase-separation from each other are dissolved in a solvent. In the light scattering layer, the phase-separated convexo-concave structure is formed into a sea-island structure of two or more resin materials including a styrene-acrylonitrile copolymer, and a plurality of domains constituting the islands have random shapes mainly having a string shape, and a transmitted image definition measured according to JTS K 7374 using an optical comb having a width of 2.0 mm is 10% or more and less than 25%. | 01-19-2012 |
20120019917 | Biooptical and Biofunctional Properties, Applications and Methods of Polylactic Acid Films - Biopolymers that may be used in optical applications are provided. Suitable biopolymers include polylactic acid and polylactic acid blends. The polylactic acid may be used with a photocatalyst such as titonium dioxide in some embodiments. In other embodiments, the polylactic acid may incorporate decorative fused recycled particles. Generally, the biopolymer may be used in applications where optical characteristics and/or fire performance are desired. | 01-26-2012 |
20120019918 | SYSTEM AND METHOD FOR REDUCING VISIBLE SPECKLE IN A PROJECTION VISUAL DISPLAY SYSTEM - The disclosure provides an apparatus for reducing speckle in a projection visual display (PVD) system, a method of reducing visible speckle in a PVD system and a PVD system incorporating the method or apparatus. In one embodiment, the apparatus includes a diffuser interposable in an optical path of a PVD system and a diffuser actuator having a single drive axis configured to cause the diffuser to travel in a Lissajous curve at least partially transverse to the optical path. | 01-26-2012 |
20120038990 | OPTICAL FILM - Optical film is disclosed. The optical film includes a binder, a plurality of particles, and a plurality of interconnected voids. The volume fraction of the plurality of interconnected voids in the optical film is not less than about 20%. The weight ratio of the binder to the plurality of the particles is not less than about 1:2. | 02-16-2012 |
20120057239 | LIGHT SCATTERING SHEET AND PROCESS FOR PRODUCING THE SAME - A process for producing a light scattering sheet includes: a coating step of coating a transparent support with a coating solution prepared by dissolving a resin material including at least two kinds selected from polymers and monomers phase-separable with each other in a solvent to form a coating layer; and a drying step of drying the coating layer to form a phase separated concavity and convexity structure on the coating layer by spinodal decomposition, wherein, in the drying step, high speed drying is carried out at a drying speed of 3.0 g/m | 03-08-2012 |
20120099204 | Thermally Stable Optical Element - Designs and manufacturing methods are provided for lighting components and systems with improved performance in luminous efficacy, total lumen output, product lifetime, and form factor through the use of optical composites with improved thermal management. Some embodiments also provide designs and manufacturing methods to minimize thermal warpage and increase the rigidity of optical films and sheets through improved balance of thermal stresses. | 04-26-2012 |
20120134024 | ANTI-GLARE SURFACE TREATMENT METHOD AND ARTICLES THEREOF - A glass article including: at least one anti-glare surface having haze, distinctness-of-image, surface roughness, and uniformity properties, as defined herein. A method of making the glass article includes, for example: depositing deformable particles on at least a portion of a glass surface of the article; causing the deposited deformable particles on the surface to deform and adhere to the surface; and contacting the surface having the adhered particles with an etchant to form the anti-glare surface. A display system that incorporates the glass article, as defined herein, is also disclosed. | 05-31-2012 |
20120140329 | LIGHT GUIDE BODY WITH INTEGRAL STRUCTURE AND METHOD FOR MAKING SAME - A light guide body includes a first solidified colloid layer, a second solidified colloid layer and a third solidified colloid layer. The first solidified colloid layer has a number of light-scattering microstructures at an upper portion thereof. The second solidified colloid layer is formed on and coming into contact with the upper portion of the first colloid layer, and the second colloid layer covers the microstructures. The third solidified colloid layer is formed on the second colloid layer, and the third colloid layer has a plurality of light condensing prisms at an opposite side thereof to the second colloid layer. The light guide body has an integral structure with a number of optical functions. A method for making the light guide body is also provided. | 06-07-2012 |
20120162773 | OPTICAL SHEET AND METHOD FOR FABRICATING THE SAME - An optical sheet and a method for fabricating the optical sheet, wherein a diffusion pattern is formed to diffuse and condense light. The optical sheet includes a prism pattern having a plurality of mountains and ravines to condense light generated from a light source and a plurality of diffusion patterns irregularly formed on the prism pattern to diffuse the light. | 06-28-2012 |
20120194914 | DIFFUSING DEVICE FOR DIFFUSING LIGHT, AND SAFETY-GLASS PANEL, LIGHT SOURCE AND GREEN-HOUSE COMPRISING DIFFUSING DEVICE - The invention relates to a diffusing device ( | 08-02-2012 |
20120200929 | LIGHT EXTRACTING SUBSTRATE FOR ORGANIC LIGHT EMITTING DIODE - A light extraction substrate includes a glass substrate having a first surface and a second surface. A first light extraction region can be defined on and/or adjacent the first surface. The first light extraction region includes nanoparticles. A second light extraction region can be defined on at least a part of the second surface. The second light extraction region has a surface roughness of at least 10 nm. | 08-09-2012 |
20120200930 | LIGHT DIFFUSION SHEET, METHOD FOR PRODUCING LIGHT DIFFUSION SHEET, AND DISPLAY DEVICE - A light diffusion sheet ( | 08-09-2012 |
20120200931 | GRADIENT LOW INDEX ARTICLE AND METHOD - A gradient optical film and an optical construction including the gradient optical film are described. The gradient optical film includes a binder, a plurality of particles, and a plurality of interconnected voids having a local volume fraction. The local volume fraction of the plurality of interconnected voids varies along a thickness direction of the gradient optical film. The refractive index of the gradient optical film can also varies along a thickness direction of the gradient optical film, as the refractive index can also depend upon the local volume fraction of the plurality of interconnected voids. | 08-09-2012 |
20120243097 | OPTICAL ELEMENT, OPTICAL SYSTEM, IMAGING APPARATUS, OPTICAL INSTRUMENT, AND STAMPER - An optical system includes an optical element that has a surface on which a plurality of sub-wavelength structure bodies are formed; and an imaging device that has an imaging region which senses light via the optical element, wherein the surface of the optical element has one or two or more sections that scatter incident light and generate scattered light, and wherein a sum total of components of the scattered light reaching the imaging region is smaller than a sum total of components thereof reaching regions other than the imaging region. | 09-27-2012 |
20120250158 | DISPLAY AND ELECTRONIC UNIT - A display capable of obtaining high luminance in white display and an electronic unit are provided. The display includes: a reflective display panel; and an optical laminate disposed on the display panel, in which the optical laminate includes a plurality of anisotropic scattering films, and transmittances in a scattering central axis direction of two or more films of the plurality of anisotropic scattering films are different from each other. | 10-04-2012 |
20120257281 | Refractive Index Distribution Structure and Manufacturing Method of the Same, and Image Display Apparatus Having the Refractive Index Distribution Structure - There is provided a method of manufacturing a refractive index distribution structure having a plurality of microparticles, suppressing density unevenness between the plurality of microparticles, capable of obtaining uniform in-plane characteristics, and capable of maintaining stability and high reproducibility. The method of manufacturing a refractive index distribution structure includes manufacturing a plurality of core-shell microparticles including a shell and a core microparticle contained in the shell, the core microparticle being made of a material having a refractive index higher than the material forming the shell and having the same core diameter, and the shell having a different shell thickness; and forming a refractive index distribution structure by arranging the plurality of core-shell microparticles on a substrate. | 10-11-2012 |
20120268826 | LIGHT DIFFUSION SHEET, METHOD FOR MANUFACTURING SAME, AND TRANSMISSIVE DISPLAY DEVICE PROVIDED WITH LIGHT DIFFUSION SHEET - A light diffusion sheet ( | 10-25-2012 |
20120281288 | CONTROL DEVICE - A control device is described that has a controller, an optical diffuser and a lens assembly. In use, the optical diffuser is positioned in front of an electronic display and the lens assembly projects an image displayed on the electronic display onto the optical diffuser. Also, a keyboard and/or control panel having one and/or more of the control devices is presented. | 11-08-2012 |
20120281289 | LIGHT-DIFFUSION SHEET, METHOD FOR MANUFACTURING SAME, AND TRANSMISSION DISPLAY DEVICE PROVIDED WITH THIS LIGHT-DIFFUSION SHEET - A light-diffusion sheet ( | 11-08-2012 |
20120281290 | DIFFUSER-INTEGRATED PRISM SHEET FOR BACKLIGHT UNITS AND METHOD OF MANUFACTURING THE SAME - A diffuser-integrated prism sheet is provided, in which diffuser layers are provided on the upper and lower surfaces of the prism sheet and prism-shaped protrusions are formed in the prism sheet. The prism sheet for backlight units includes a lower diffuser layer having a light diffusion structure, a lower layer formed on the lower diffuser layer, a first intermediate layer formed on the lower layer and having prism-shaped protrusions formed parallel to each other, a second intermediate layer formed on the first intermediate layer, an upper layer formed on the second intermediate layer, and an upper diffuser layer formed on the upper layer and having a light diffusion structure, wherein an air layer is formed between the lower surface of the second intermediate layer and the valleys of the prism-shaped protrusions of the first intermediate layer. Also, a method of manufacturing the diffuser-integrated prism sheet is provided. | 11-08-2012 |
20120281291 | DIFFUSER-INTEGRATED PRISM SHEET FOR BACKLIGHT UNITS AND METHOD OF MANUFACTURING THE SAME - A diffuser-integrated prism sheet is provided, in which diffuser layers are provided on the upper and lower surfaces of the prism sheet and prism-shaped protrusions are formed in the prism sheet. The prism sheet for backlight units includes a lower diffuser layer having a light diffusion structure, a lower layer formed on the lower diffuser layer, a first intermediate layer formed on the lower layer and having prism-shaped protrusions formed parallel to each other, a second intermediate layer formed on the first intermediate layer, an upper layer formed on the second intermediate layer, and an upper diffuser layer formed on the upper layer and having a light diffusion structure, wherein an air layer is formed between the lower surface of the second intermediate layer and the valleys of the prism-shaped protrusions of the first intermediate layer. Also, a method of manufacturing the diffuser-integrated prism sheet is provided. | 11-08-2012 |
20120300304 | TRANSPARENT GLASS SUBSTRATE HAVING ANTIGLARE SURFACE - A transparent glass substrate having an antiglare surface that minimizes sparkle. The antiglare surface has a roughened portion that surface that has a RMS amplitude of at least amplitude of at least about 80 nm. The antiglare surface may also include a portion that is unroughened, or flat. The fraction of the antiglare surface that is roughened is at least about 0.9, and the fraction of the surface that is unroughened is less than about 0.10. The antiglare surface has a pixel power deviation of less than about 7%. | 11-29-2012 |
20130021671 | LIGHT GUIDE PLATE - A light guide plate for use in a backlight module of a touch panel is disclosed. The light guide plate includes a transparent plate, and first and second adhesive layers disposed on two opposite surfaces of the transparent plate respectively. A plurality of refractive regions are spacedly arranged on at least one of the two opposite surfaces of the transparent plate. As a result, it is convenient to attach the light guide plate to any desired location and the light refracted from the light guide plate may have uniform brightness | 01-24-2013 |
20130033754 | COMPOUND OPTICAL FILM AND METHOD FOR MANUFACTURING SAME - A compound optical film comprises an unitary two-layer structure consisting of a light guide layer and a light reflective layer attached on the light guide layer. A plurality of light scattering particles are dispersed in the light guide layer adjacent to an interface between the light guide layer and the light reflective layer. The compound optical film can reduce the thickness of backlight module while the compound optical film is used in backlight module. The present art also relates to a manufacturing method for the compound optical film. | 02-07-2013 |
20130050830 | Stent Inspection Mandrel - A covered mandrel that includes a mandrel and a covering. The mandrel has an outer surface and comprises a first material. The covering is engaged to the outer surface of the mandrel and comprises a second material different than the first material. At least a portion of the covered mandrel is configured to scatter light. | 02-28-2013 |
20130070341 | LIGHT REDIRECTING FILM AND DISPLAY SYSTEM INCORPORATING SAME - Optical films for redirecting light are described, and optical systems, such as display systems, incorporating such optical films are described. | 03-21-2013 |
20130094088 | DIFFUSE REFLECTIVE OPTICAL FILMS WITH SPATIALLY SELECTIVE BIREFRINGENCE REDUCTION - A diffusely reflective optical film includes a blended layer extending from a first to a second zone of the film. The blended layer includes first and second polymer materials separated into distinct first and second phases, respectively. The blended layer may have the same composition and thickness in the first and second zones, but different first and second diffusely reflective characteristics in the first and second zones, respectively. The difference between the first and second diffusely reflective characteristics may not be attributable to any difference in composition or thickness of the layer between the first and second zones. Instead, the difference between the first and second diffusely reflective characteristic may be attributable to a difference in birefringence of the first and/or second polymer materials between the first and second zones. The blend morphology of the blended layer may be substantially the same in the first and second zones. | 04-18-2013 |
20130135745 | ALKALI-FREE COVER GLASS COMPOSITION, AND LIGHT EXTRACTING MEMBER USING SAME - The present invention provides a glass composition and a light extracting member using the same, where the glass composition does not substantially contain a lead oxide and an alkali metal oxide and has a glass transition temperature of 530° C. or less and acid resistance property. The present invention relates to an alkali-free cover glass composition which does not substantially contain a lead oxide and an alkali metal oxide; has a refractive index (n | 05-30-2013 |
20130141791 | VARIABLE MONOCHROMATIC UNIFORM CALIBRATION SOURCE - Systems for generating uniform monochromatic electromagnetic radiation that include an electromagnetic radiation source and a bandpass filter assembly to filter electromagnetic radiation emitted by the electromagnetic radiation source. The systems also include an optical integrating sphere to receive the filtered electromagnetic radiation and to uniformly scatter the filtered electromagnetic radiation within the optical integrating sphere, wherein the optical integrating sphere comprises an output to emit the uniformly scattered, filtered electromagnetic radiation. | 06-06-2013 |
20130141792 | MOLDING DIE AND METHOD FOR MANUFACTURING SAME, AND METHOD FOR PROVIDING CONSISTENT GLOSSINESS - [Problem to be Solved] | 06-06-2013 |
20130155516 | NANO FRACTAL DIFFUSER - A diffusive device has an array of discrete facets which may be of a size and pattern similar to a fractal. The facet dimensions can be greater than half the wavelength of incident light such that the facets substantially diffract light. A polarizing wire-grid layer comprised of an array of elongated parallel conductive wires with a period less than half the wavelength of incident light may be disposed between, beneath, or above the facets. The wire-grid polarizes the light by substantially reflecting light having an s-polarization orientation and substantially transmitting a portion of light having a p-polarization orientation. | 06-20-2013 |
20130155517 | OPTICAL FILM AND METHOD OF MANUFACTURING THE SAME - An optical film including a base film, a light spreading pattern on a first surface of the base film, a surface of the light spreading pattern facing away from the base film being an undulating surface, and a light collecting pattern on a second surface of the base film. | 06-20-2013 |
20130170045 | LIGHT-GUIDING OPTICAL FILM, AND METHOD AND DEVICE FOR MANUFACTURING THE SAME - An optical film includes a base plate. The base plate includes a first surface and a second surface opposite to first surface. The first surface includes a plurality of bar-type protrusions arranged parallel to each other. Each of the plurality of bar-type protrusions includes an arcuate surface and a planar surface connected to the arcuate surface. The planar surface intersects with the first surface. The second surface includes a plurality of posts. The present disclosure further provides a device for manufacturing the optical film and a method for manufacturing the optical film. | 07-04-2013 |
20130182330 | Optical Film and Head-Up Display Device - A head-up display device includes an image module, a substrate, and an optical film. The image module has an emitting source, wherein the emitting source transmits at least one image. The substrate is disposed corresponding to the image module. The optical film is disposed on the substrate and includes at least one transmission layer, wherein each transmission layer has a plurality of transmitting column structures obliquely arranged side by side, and a longitudinal direction of the transmitting column structure has a tilt angle with respect to a normal of the substrate. The at least one image is transmitted to the optical film, and the obliquely disposed transmitting column structures cause the at least one image to scatter on the optical film. | 07-18-2013 |
20130208360 | LOW REFRACTIVE INDEX DIFFUSER ELEMENT HAVING INTERCONNECTED VOIDS - An optical diffuser layer includes a binder, a plurality of metal oxide particles dispersed in the binder, and a plurality of interconnected voids. A plurality of haze generating particles are dispersed in the binder. The optical diffuser layer has an effective refractive index of 1.3 or less. | 08-15-2013 |
20130235461 | DIFFUSER-INTEGRATED PRISM SHEET FOR BACKLIGHT UNITS AND METHOD OF MANUFACTURING THE SAME - A diffuser-integrated prism sheet is provided, in which diffuser layers are provided on the upper and lower surfaces of the prism sheet and prism-shaped protrusions are formed in the prism sheet. The prism sheet for backlight units includes a lower diffuser layer having a light diffusion structure, a lower layer formed on the lower diffuser layer, a first intermediate layer formed on the lower layer and having prism-shaped protrusions formed parallel to each other, a second intermediate layer formed on the first intermediate layer, an upper layer formed on the second intermediate layer, and an upper diffuser layer formed on the upper layer and having a light diffusion structure, wherein an air layer is formed between the lower surface of the second intermediate layer and the valleys of the prism-shaped protrusions of the first intermediate layer. | 09-12-2013 |
20130242395 | METHODS OF PRODUCING LIGHT DIFFUSING ELEMENT AND POLARIZING PLATE WITH LIGHT DIFFUSING ELEMENT, AND LIGHT DIFFUSING ELEMENT AND POLARIZING PLATE WITH LIGHT DIFFUSING ELEMENT OBTAINED BY THE METHODS - There is provided a method capable of producing an extremely thin light diffusing element, which has strong light diffusibility and in which backscattering is suppressed, at a low cost and with extremely high productivity. A method of producing a light diffusing element according to an embodiment of the present invention includes: mixing a matrix formation material containing a monomer of a resin component and an ultrafine particle component, light diffusing fine particles, and a solvent for dissolving the monomer; and polymerizing the monomer. A zeta potential of each of the light diffusing fine particles in a solution prepared by dissolving the monomer in the solvent is equal in sign to a zeta potential of the ultrafine particle component in the solution prepared by dissolving the monomer in the solvent. | 09-19-2013 |
20130271840 | Diffuse reflecting optical construction - A transparent multi-layer optical construction that reflects light in a diffuse manner and transmits light in an undistorted manner. The optical construction can be made as a sunglass lens or as a thin film to be used as window film. The multi-layer optical construction is, in part, a combination of surface form and surface texture combined with a reflective medium and a scratch resistant hard coating. | 10-17-2013 |
20130271841 | RAMAN SCATTERING LIGHT ENHANCING DEVICE - An object is to provide a Raman scattering light enhancing device that provides a sufficiently high Raman scattering light enhancing effect and produces a highly sensitive Raman signal even by using an excitation light source having a low energy density. | 10-17-2013 |
20130279010 | ANTI-GLARE FILM, METHOD FOR PRODUCING ANTI-GLARE FILM, POLARIZER AND IMAGE DISPLAY DEVICE - The present invention provides an antiglare film having an excellent antiglare property and being capable of suitably preventing the occurrence of scintillation and a decrease in contrast. | 10-24-2013 |
20130301135 | LIGHT DIFFUSING ELEMENT - A light diffusing element having less unevenness in external appearance while having excellent light diffusibility. A light diffusing element according to an embodiment of the present invention includes: a base material film; and a light diffusing film provided on one surface of the base material film, wherein: the light diffusing film has a haze value of 75% or more; the light diffusing film contains a fluorine-based surfactant; the fluorine-based surfactant is localized on a surface of the light diffusing film opposite to the base material film; and the fluorine-based surfactant contains at least one kind of constituent unit selected from the group consisting of a constituent unit represented by the following general formula (I), a constituent unit represented by the following general formula (II), and a constituent unit represented by the following general formula (III): | 11-14-2013 |
20130308194 | DIFFUSER-INTEGRATED PRISM SHEET FOR BACKLIGHT UNITS AND METHOD OF MANUFACTURING THE SAME - A diffuser-integrated prism sheet for backlight units includes: a lower diffuser layer having a light diffusion structure on a lower surface thereof; a lower layer on an upper surface of the lower diffuser layer; an intermediate layer formed on an upper surface of the lower layer and having prism-shaped protrusions; an upper layer on an upper surface of the intermediate layer; and an upper diffuser layer formed on an upper surface of the upper layer and having a light diffusion structure on an upper surface of the upper diffuser layer. An air layer is formed between a lower surface of the upper layer and valleys of the prism-shaped protrusions, and ridges of the prism-shaped protrusions and the lower surface of the upper layer are integrated with each other; and the light diffusion structure on the upper surface of the upper diffuser layer includes hemispherical protrusions. | 11-21-2013 |
20130308195 | SPECKLE REDUCTION APPARATUS BASED ON MIE SCATTERING AND PERTURBATION DRIVE - A speckle reduction apparatus ( | 11-21-2013 |
20130314796 | LIGHT REFLECTION PLATE - There is provided a light reflection plate that can uniformly exhibit high light diffusibility. The light reflection plate includes 100 parts by weight of a polyolefin-based resin and 20 to 120 parts by weight of a coated titanium oxide that is obtained by coating a surface of titanium oxide with a coating layer containing aluminum oxide and silicon oxide. The coated titanium oxide is constituted by primary particles having a particle size of 0.10 to 0.39 μm and agglomerated particles which are formed by agglomeration of the primary particles and have a particle size of 0.4 μm or more. The number of the agglomerated particles in a cross section of the light reflection plate in a thickness direction is 0.1 to 4.5 /900 μm | 11-28-2013 |
20140016202 | LIGHT-SHIELDING MATERIAL FOR OPTICAL INSTRUMENT - Provided is a light-shielding material for use in optical instrument and having a light-shielding sheet with broad low-gloss region while maintaining the physical properties necessary for a light-shielding sheet. The light-shielding material | 01-16-2014 |
20140016203 | LIGHT-SHIELDING MATERIAL FOR OPTICAL INSTRUMENT AND MANUFACTURING METHOD THEREOF - Provided is a method of manufacturing a light-shielding material for use in optical instrument and having a light-shielding coat with a broad low-gloss region while maintaining the physical properties, such as a light-blocking property, necessary for light-shielding coat. In this method for manufacturing a light-shielding material comprising a light-shielding coat formed on the substrate, a coating liquid is prepared containing at least a binder resin, black fine particles and a matting agent having a variation coefficient of 20 or larger. Next, this coating liquid is coated on the substrate and dried to form a light-blocking coat. | 01-16-2014 |
20140036370 | TRANSPARENT ILLUMINATION PANEL AND METHOD OF MANUFACTURING - A light diffuser panel for coupling to an optical element, includes a plurality of first type layers of a first type of material with a refractive index n | 02-06-2014 |
20140104690 | TRANSPARENT ELEMENT WITH DIFFUSE REFLECTION - This transparent layered element ( | 04-17-2014 |
20140111862 | LIGHT DIFFUSION MEMBER, METHOD FOR PRODUCING SAME, AND DISPLAY DEVICE - A light diffusion member includes a light transmissive substrate, a plurality of light diffusion sections formed on one surface of the substrate, a light shielding layer formed in a region other than formation regions of the light diffusion sections on the one surface of the substrate, and light scattering bodies. The light diffusion sections have a light emitting end surface on the substrate side and a light incident end surface having an area greater than an area of the light emitting end surface on a side opposite to the substrate side. A height from the light incident end surface to the light emitting end surface of each of the light diffusion sections is greater than a thickness of the light shielding layer. The light scattering bodies are disposed further on a light emitting side than the light diffusion sections. | 04-24-2014 |
20140118831 | LIGHT DIFFUSER AND METHOD OF MANUFACTURING THE SAME - A light diffuser including a transparent substrate having a top surface and a bottom surface. The top surface having formed thereon a plurality of tilted plane portions including a first tilted plane portion and a second tilted plane portion. The first tilted plane portion being tilted in a first direction and the second tilted plane portion being tilted in a second direction. The first direction of the first tilted plane portion being different from the second direction of the second tilted plane portion. | 05-01-2014 |
20140118832 | TOUCHSCREEN PANEL - There is provided a touchscreen panel, including: a transparent substrate including a first area having a first surface roughness and a second area having a second surface roughness; and an ink layer formed on the second area, wherein the degree of second surface roughness is higher than the degree of first surface roughness. | 05-01-2014 |
20140168777 | LIGHT DIFFUSERS AND METHODS FOR MANUFACTURING - A linear light module having an optical coupling element and a light pipe is described. The optical coupling element receives light emitted by multiple light emitting diodes (LEDs) having different emission wavelengths and couples the light efficiently to a linear light pipe. The light from the LEDs is efficiently mixed by the optical coupling element and the light pipe to produce a linear light output that is uniform in color and intensity. Light diffusers can be used with the optical coupling element and light pipe at various locations to further enhance the uniformity of the emitted light. Novel techniques for manufacturing the light diffusers that use patterning of a suspension solution or injection molding are described. | 06-19-2014 |
20140177060 | ANTIGLARE SHEET FOR IMAGE DISPLAY DEVICE, MANUFACTURING METHOD THEREOF, METHOD OF IMPROVING BLACK TINT AND IMAGE SHARPNESS OF AN IMAGE DISPLAY DEVICE USING SAID ANTIGLARE SHEET AND SUITED FOR USE WITH BOTH MOVING IMAGES AND STILL IMAGES - The purpose of this invention is to achieve a video display device antiglare sheet having excellent black glossiness, darkness in dark places, and antiglare properties in video applications, and suited to realizing high image quality. An antiglare layer including a transparent resin and diffusion particles is provided on at least one surface of a transparent substrate. The antiglare layer is uneven on the surface opposite of the transparent substrate, said unevenness being formed mainly by convexities resulting from the diffusion particles which have an impregnation layer in which all or a part of the component constituting the transparent resin is impregnated. Defining Q as the brightness in the regular transmission direction when visible light beam is irradiated normally from the transparent substrate side onto the antiglare sheet, Q | 06-26-2014 |
20140204464 | LIGHT CONTROL FILM - The present disclosure provides a light control film that is capable of transmitting light, or allowing a viewer to observe information, only within a viewing region centered around the normal (perpendicular line) to a surface. The light control film generally blocks information or light outside of this viewing region, and provides security in all directions including right-and-left and up-and-down of the film. The light control film includes a plurality of light-transmissive cavities that are surrounded by a light absorbing material, such that each of the plurality of cavities is optically isolated from adjacent cavities. Each of the light-transmissive cavities effectively block light which enters the cavity outside of a viewing (that is, cutoff) angle. | 07-24-2014 |
20140211316 | ANTI-GLARE SHEET FOR IMAGE DISPLAY DEVICE - An anti-glare sheet that exhibits excellent glossy black textures, blackness in dark locations, and anti-glare properties for dynamic images, and that is suited to the implementation of high quality images. The anti-glare sheet has, on at least one surface of a transparent substrate, an anti-glare layer comprising binder resin, diffusion particles, and binder particulates. The anti-glare sheet is characterized by the anti-glare layer having protrusions and recesses on the surface on the opposite side thereof to the transparent substrate, the protrusions and recesses being formed by protrusions based on agglomerations of the diffusion particles and/or diffusion particles having in the vicinity thereof a localized layer in which the density of binder particulates is high, and equation (1) and equation (2) being satisfied where Q is the luminance in the direction of regular transmission when visible light is perpendicularly irradiated on the anti-glare sheet from the transparent substrate side, Q | 07-31-2014 |
20140240839 | OPTICAL SUBSTRATES HAVING LIGHT COLLIMATING AND DIFFUSION STRUCTURES - An optical substrate having a structured prismatic surface and an opposing structured lenticular surface. The structured lenticular surface includes shallow-curved lens structures. Adjacent shallow-curved lens structure may be continuous or contiguous, or separated by a constant or variable spacing. The lens structure may have a longitudinal structure with a uniform or varying cross section. The lenticular lenses may have a laterally meandering structure. Sections of adjacent straight or meandering lenticular lenses may intersect or partially or completely overlap each other. The lenticular lenses may be in the form of discontinuous lenticular segments. The lenticular segments may have regular, symmetrical shapes, or irregular, asymmetrical shapes, which may be intersecting or overlapping, and may be textured. The lens structure may be provided with isolated ripples, in the form of a single knot, or a series of knots. | 08-28-2014 |
20140247495 | ANTIGLARE FILM, POLARIZER, AND IMAGE DISPLAY DEVICE - The present invention provides an antiglare film that has a thin antiglare layer and suppresses generation of scintillation and white muddiness at significantly high levels, while maintaining the hard-coating property and antiglare property, thereby providing favorable high-contrast display images. The present invention is an antiglare film including: a light-transmitting substrate; and an antiglare layer that has surface roughness and is provided on one face of the light-transmitting substrate, wherein the antiglare layer has plural rod-shaped projections having an aspect ratio of at least 2 on the opposite side of the surface contacting the light-transmitting substrate, the projections of the antiglare layer occupy 20 to 40%, per unit area, of the opposite side of the surface contacting the light-transmitting substrate, and N | 09-04-2014 |
20140254018 | SCATTERING ENHANCED THIN ABSORBER FOR EUV REFLECTIVE RETICLE AND A METHOD OF MAKING - A scattering enhanced thin absorber for a EUV reticle and a method of making thereof is disclosed. Embodiments include forming a multilayer on the upper surface of a substrate, forming a capping layer over the multilayer, forming one or more diffuse scattering layers over the capping layer, and etching the diffuse scattering layers to form a stack. | 09-11-2014 |
20140340752 | METHOD FOR PRODUCING LIGHT DIFFUSION FILM AND LIGHT DIFFUSION FILM - Provided are a method for producing a light diffusion film, capable of easily regulating the combination of the inclination angles of plural plate-shaped regions in plural louver structure regions, and also capable of efficiently producing a light diffusion film having increased uniformity of the intensity of diffused light in the light diffusion angle region, and an effectively expanded light diffusion angle region; and a light diffusion film thus obtained. Disclosed is a method for producing a light diffusion film having first and second louver structure regions, the method including the following steps (a) to (d):
| 11-20-2014 |
20140340753 | ANISOTROPIC LIGHT DIFFUSION FILM - Provided is an anisotropic light diffusion film in which uniformity of the intensity of diffused light in the light diffusion angle region has been increased, and the light diffusion angle region has been effectively expanded. Disclosed is an anisotropic light diffusion film having a first louver structure region and a second louver structure region, in which plural plate-shaped regions having different refractive indices are alternately arranged in parallel along any one direction along the film plane, sequentially from the lower side along the film thickness direction, the anisotropic light diffusion film having an overlapping louver structure region in which the upper end of the first louver structure region and the lower end of the second louver structure region overlap each other. | 11-20-2014 |
20140355122 | Polyolefin Volumetric Diffuser - A volumetric diffuser utilizing polyolefins and light scattering particles to provide desired efficiency without hot-spots where surface texture is utilized to reduce the tendency of the polyolefin based volumetric diffuser to scratch. | 12-04-2014 |
20140355123 | COLOR IMPROVING FILM AND METHOD OF MANUFACTURING THE SAME - Provided is a color improving film comprising a base layer, a high refractive light diffusion layer including an organic light diffuser on the base layer, a high refractive resin layer on the high refractive light diffusion layer, and a low refractive resin layer in which a lenticular lens pattern is formed on the high refractive resin layer, wherein the organic light diffuser comprises particles coated with a black pigment and non-coated particles, and wherein the lenticular lens pattern is formed on a surface of the low refractive resin layer facing the high refractive resin layer. According to the color improving film, a change in color sensitivity according to an angle of view is small, an external light reflectivity is low, and a light transmittivity and a light diffusibility are substantially improved. Also, the method of preparing the color improving film has excellent processiblity and economic efficiency. | 12-04-2014 |
20140355124 | COLOR IMPROVING FILM AND METHOD OF MANUFACTURING THE SAME - Provided are a color improving film and a method of manufacturing the color improving film. The color improving film includes a base layer, a high refractive light diffusion layer comprising a light diffuser, a high refractive resin layer, and a low refractive resin layer in which a lenticular lens pattern is formed, wherein the base layer, the high refractive light diffusion layer, the high refractive resin layer, and the low refractive resin layer are stacked, wherein the lenticular lens pattern is formed on a surface of the low refractive resin layer facing the high refractive resin layer, and a unit lenticular lens of the lenticular lens pattern is an oval lenticular lens, wherein the color improving film satisfies 0.10<Δn<0.20, Δn=n1−n2, where n1 denotes a refractive index of the high refractive resin layer, and n2 denotes a refractive index of the low refractive resin layer. | 12-04-2014 |
20140355125 | OPTICAL FILM STACK - Example light management films are described. In one example, an optical stack comprises a first light directing film comprising a structured major surface opposite a second major surface, the structured major surface comprising a plurality of linear structures extending along a first direction, the light directing film having an average effective transmission of at least 1.3; and an asymmetric light diffuser disposed on the light directing film and being more diffusive along a second direction and less diffusive along a third direction orthogonal to the second direction, the second direction making an angle with the first direction that is greater than zero and less than 60 degrees. | 12-04-2014 |
20140376095 | DIFFUSING PLATE HAVING MICROLENS ARRAY - A diffusing plate includes a microlens array in which a plurality of microlenses are arranged, wherein the microlenses have such a shape that a curvature of a sectional shape including a center line of the microlenses varies depending on a direction of the center line, and wherein microlenses that are different in the direction of a center line where the curvature of the outline is largest are arranged. | 12-25-2014 |
20150009569 | SCREEN, OPTICAL ELEMENT, AND DISPLAY DEVICE - A screen is provided with microcapsules and a base material. The microcapsules each contain encapsulated liquid inside a capsule membrane. The microcapsules are planarly arranged on the base material. The encapsulated liquid includes light diffusion particles for scattering light, and a dispersion medium for dispersing the light diffusion particles. In a cross sectional area of the microcapsule projected in the direction perpendicular to the surface of the base material on which the microcapsules are planarly arranged, the ratio of the area of the encapsulated region to the area of the microcapsule ranges from 0.9025 to 0.990. | 01-08-2015 |
20150043079 | ACTIVE DIFFUSER FOR REDUCING SPECKLE AND LASER DISPLAY DEVICE HAVING ACTIVE DIFFUSER - An active diffuser for reducing a speckle in accordance with an embodiment of the present invention includes: an electroactive polymer film having at least one or more scattering patterns; a first transparent electrode coated on one surface of the electroactive polymer film; and a second transparent electrode coated on the other surface of the electroactive polymer film, and a shape of the scattering pattern of the electroactive polymer film is varied by voltage applied through the first transparent electrode and the second transparent electrode. | 02-12-2015 |
20150043080 | FILM FOR DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A film for a display device and a method of manufacturing the film, the film including transparent layers; and scattering layers, the transparent layers and scattering layers being alternately arranged with a predetermined cycle, wherein a plurality of patterns are non-periodically formed in an upper surface or a lower surface of the film. | 02-12-2015 |
20150043081 | IMAGE DISPLAY DEVICE - In a vehicle display device, a transmission-type intermediate image screen is provided with a diffusion layer in which bead diffusion materials are used. A luminous intensity half-value angle of a transmission light distribution angle of the light transmitted through the transmission-type intermediate image screen is ±7.5 to 10 degrees. Given, when a virtual image of a size of about 10 inches is presented 1.7 to 2 meters ahead of a user, that a target value of the resolution of the actual image formed by the transmission-type intermediate image screen is set to be R and that the luminous intensity half-width at half-maximum angle of the transmission light distribution angle of the light transmitted through the diffusion layer is set to be A, a thickness T of the diffusion layer inside the transmission-type intermediate image screen satisfies 002-12-2015 | |
20150049388 | VIEW ANGLE-RESTRICTING SHEET AND FLAT PANEL DISPLAY - The view angle-restricting sheet according to the present invention includes an optically functional layer which includes: a plurality of first light transmission sections that are rectangular in cross section and arranged in a multi-stripe fashion; and at least one second light transmission section that is/are rectangular in cross section and arranged between the first light transmission sections, at least one of the lateral face of the first light transmission section and the lateral face of the second light transmission section that face each other being provided as a light-scattering surface having a microstructure including fine protrusions. The arithmetic mean roughness (Ra) of the light-scattering surface is preferably no less than 1.5 μm and no greater than 4 μm. The ratio (Rz/Ra) of the ten-point mean roughness (Rz) to the arithmetic mean roughness (Ra) of the light-scattering surface is preferably no less than 1 and no greater than 20. | 02-19-2015 |
20150062712 | OPTICAL ELEMENT AND MANUFACTURING METHOD THEREFOR, OPTICAL SYSTEM, IMAGING APPARATUS, OPTICAL INSTRUMENT, AND MASTER - An optical element includes an element main body and a plurality of sub-wavelength structures that is provided on a surface of the element main body. The sub-wavelength structures include an energy-ray-curable resin composition, and the element main body is opaque to energy rays for curing the energy-ray-curable resin composition. The surface, on which the plurality of sub-wavelength structures is provided, has a section in which scattered light is generated by scattering incident light, and intensity distribution of the scattered light is anisotropic. | 03-05-2015 |
20150092276 | LIGHT DIFFUSION REFLECTING PLATE - A light diffusion reflecting plate having a high degree of whiteness and excellent light diffusion properties and antiglare properties includes a substrate having thereon at least a ground coat layer and a top coat layer in contact with this ground coat layer. The ground coat layer is a white coating film layer. The top coat layer contains a white pigment from 2 to 15% by mass and two kinds of spherical particles, i.e., (A) a spherical particle having an average particle size of from 5 to 30 μm and (B) a spherical particle having an average particle size of from 15 to 45 μm, each of which is contained in an amount of from 5 to 17% by mass. A difference in the average particle size between the spherical particle (A) and the spherical particle (B) is 10 μm or more. | 04-02-2015 |
20150116833 | BRIGHTNESS ENHANCEMENT FILM WITH SUBSTANTIALLY NON-IMAGING EMBEDDED DIFFUSER - A microreplicated optical film ( | 04-30-2015 |
20150131154 | VIEW ANGLE-RESTRICTION SHEET AND FLAT PANEL DISPLAY - The view angle-restricting sheet includes an optically functional layer including: a plurality of first light transmission sections that are rectangular in cross section and arranged in a multi-stripe fashion; and one or more second light transmission section(s) that is/are each arranged between adjacent first light transmission sections. The first light transmission sections contain a light diffusing agent and a resin matrix. The proportion of the surface area occupied by the first light transmission sections with respect to the surface area of the optically functional layer is no less than 5% and no greater than 40%. The ratio (T | 05-14-2015 |
20150131155 | DISPLAY DEVICES AND METHODS OF MANUFACTURING DISPLAY DEVICES - A display device includes a first substrate having a display region and a peripheral region, a display structure in the display region, a second substrate parallel to the first substrate, the second substrate including a light scattering structure in the display region, the light scattering structure being configured to scatter light generated in the display structure, and a shielding member adjacent to the light scattering structure. | 05-14-2015 |
20150131156 | DISPLAY DEVICE WITH LIGHT DIFFUSIVE GLASS PANEL - A display device having a display element, such as a light-emitting device or a light-reflecting device, such as a MEMS device, and a glass touch panel covering the display element, the outer surface of the panel being textured. The panel is thin, having a thickness of 1.1 mm or less between the inner and outer surfaces | 05-14-2015 |
20150293272 | OPTICAL DIFFUSING FILMS AND METHODS OF MAKING SAME - Optical diffusing films are made by microreplication from a structured surface tool. The tool is made using a 2-part electroplating process, wherein a first electroplating procedure forms a first metal layer with a first major surface, and a second electroplating procedure forms a second metal layer on the first metal layer, the second metal layer having a second major surface with a smaller average roughness than that of the first major surface. The second major surface can function as the structured surface of the tool. A replica of this surface can then be made in a major surface of an optical film to provide light diffusing properties. The structured surface and/or its constituent structures can be characterized in terms of various parameters such as optical haze, optical clarity, Fourier power spectra of the topography along orthogonal in-plane directions, ridge length per unit area, equivalent circular diameter (ECD), and/or aspect ratio. | 10-15-2015 |
20150309222 | DISPLAY DEVICE AND FABRICATING METHOD THEREOF - A display device includes a light source to generate a beam of a first color. The display device also includes a display panel having at least one pixel including a first color sub-pixel, a second color sub-pixel, and a third color sub-pixel, wherein the second color sub-pixel is configured to generate a beam of the second color by reacting with the beam of the first color, the third color sub-pixel is configured to generate a beam of the third color by reacting with the beam of the first color, and the first color sub-pixel is configured to allow the beam of the first color to pass therethrough. The display device further includes a beam path converter disposed between the light source and the display panel to direct the beam of the first color from the light source toward the display panel. | 10-29-2015 |
20150323710 | BIOOPTICAL AND BIOFUNCTIONAL PROPERTIES, APPLICATIONS AND METHODS OF POLYLACTIC ACID FILMS - Biopolymers that may be used in optical applications are provided. Suitable biopolymers include polylactic acid and polylactic acid blends. The polylactic acid may be used with a photocatalyst such as titonium dioxide in some embodiments. In other embodiments, the polylactic acid may incorporate decorative fused recycled particles. Generally, the biopolymer may be used in applications where optical characteristics and/or fire performance are desired. | 11-12-2015 |
20150346396 | ANISOTROPIC OPTICAL FILM - Provided is an anisotropic optical film which is capable of diffusing and condensing light in a wide incident angle range even when this film merely has a single anisotropic diffusion layer, which gives no unnatural impression, and which does not easily generate any light interference (rainbow). An anisotropic optical film having a diffusing property which varies in accordance with the incident angle of light radiated thereinto. The film has rectangularly columnar region, and a matrix region. At an incident angle of the light at which a maximum linear transmittance is exhibited, the maximum linear transmittance is 30% or more and less than 95%; and at an incident angle of the light at which a minimum linear transmittance is exhibited, the minimum linear transmittance is 20% or less. | 12-03-2015 |
20150353417 | QUARTZ GLASS MEMBER FOR WAVELENGTH CONVERSION AND METHOD OF MANUFACTURING THE SAME - Provided are a quartz glass member for wavelength conversion that is high in environmental resistance, heat resistance, durability, and color rendering property, can be manufactured by a low temperature process, and can efficiently convert a wavelength, and a method of manufacturing the same. | 12-10-2015 |
20150355390 | LIGHT DIFFUSION FILM - There is provided a light diffusion film capable of diffusing incident light into an elliptical shape with respect to a plane parallel to the light diffusion film, and which has excellent applicability to rectangular displays. | 12-10-2015 |
20150362797 | DISPLAY MODULE AND DISPLAY DEVICE - The present disclosure provides a display module, including a display panel and a bezel. The display panel includes a central display region, a peripheral display region, a bezel region, a first optical member at least partially arranged above the peripheral display region, and a second optical member at least partially arranged above the bezel region. A part of rays emitted from the peripheral display region is reflected by the first optical member toward the second optical member, and emits upward from the bezel region after being reflected again by the second optical member. | 12-17-2015 |
20150369972 | LIGHT DIFFUSION MEMBER, LIGHT DIFFUSION MEMBER WITH POLARIZING PLATE, AND METHOD FOR FABRICATION OF LIGHT DIFFUSION MEMBER WITH POLARIZING PLATE - The light diffusion member includes a substrate having light transmissivity, a plurality of light shielding layers, and light diffusion portions. The light diffusion portions have a light-emitting end surface, a light incident end surface which has a larger area than the area of the light-emitting end surface, and a reflecting face. Light which enters from the light incident end surface is anisotropically diffused in an azimuth direction seen from a normal direction of the substrate, and the height from the light incident end surface to the light-emitting end surface of the light diffusion portion is configured to be greater than the thickness of the light shielding layers. The azimuth direction where the diffusion by the light diffusion portion is relatively strong, and any one side making up the outer shape of the substrate, are generally parallel. The planar shape of the light shielding layers seen from the normal direction of one face of the substrate is an anisotropic shape having at least a major axis and a minor axis. A hollow portion sectioned by the formation regions of the light diffusion portions is formed in the formation region of the light shielding layers, and air is present in the hollow portion. | 12-24-2015 |
20160002509 | Optical Adhesive With Diffusive Properties - Optical adhesives that also diffuse visible light include a blend of an adhesive matrix which is an optical adhesive and a block copolymer. The adhesive may be a pressure sensitive adhesive and contains either acid or basic functionality. The block copolymer, which may be a diblock copolymer, contains a high Tg block and a functional block, the functionality of the functional block is complimentary to the functionality of the adhesive matrix to form an acid-base interaction. The adhesive may also contain a crosslinking agent. | 01-07-2016 |
20160025904 | OPTICAL SHEET STRUCTURE - The present invention relates to an optical sheet structure for minimizing optical interferences, which includes: a base substrate; a structural pattern formed on the upper side of the base substrate; and an optical interference preventive part formed on the underside of the base substrate having a plurality of concave regions separately formed. | 01-28-2016 |
20160025907 | LIGHT DIFFUSION FILM AND LIGHT DIFFUSION FILM MANUFACTURING METHOD - Provided are a light diffusion film having a single-layered light diffusion layer, in which the uniformity of the intensity of diffused light in the light diffusion angle region can be increased, or the light diffusion angle region can be expanded effectively, by regulating the combination of the angles of inclination of pillar-shaped objects in plural columnar structure regions, and a method for manufacturing a light diffusion film. Disclosed is a light diffusion film having a single-layered light diffusion layer, the light diffusion film having a first columnar structure region and a second columnar structure region, in which plural pillar-shaped objects having a relatively high refractive index are arranged to stand close together in a region having a relatively low refractive index, sequentially from the lower part of the film along the film plane. | 01-28-2016 |
20160033692 | COMPOSITION FOR LIGHT DIFFUSION FILM, AND LIGHT DIFFUSION FILM - A composition for light diffusion film in which the angle of aperture of diffused light in a light diffusion film obtainable therefrom can be expanded effectively, and a light diffusion film obtainable by the composition for light diffusion film are provided. Disclosed is composition for light diffusion film for obtaining a light diffusion film which has a predetermined internal structure within the film and in which plural regions having a relatively high refractive index are bent at an intermediate point along the film thickness direction, the composition for light diffusion film including a predetermined (meth)acrylic acid ester as component (A); a urethane(meth)acrylate as component (B); a photopolymerization initiator as component (C); and an ultraviolet absorber as component (D), wherein the content of the component (A) is adjusted to a value within a predetermined range relative to 100 parts by weight of the component (B), the content of the component (C) is adjusted to a value within a predetermined range relative to the total amount of the component (A) and the component (B), and the content of the component (D) is adjusted to a predetermined value relative to the total amount of the component (A) and the component (B). | 02-04-2016 |
20160041313 | OPTICAL FILM AND DISPLAY DEVICE COMPRISING THE SAME - An optical film may include a light diffusion portion including light scattering particles dispersed in a light transmissive media, and a light transmission portion including the light transmissive media. The light diffusion portion may be adjacent the light transmission portion. | 02-11-2016 |
20160046189 | HEAD-UP DISPLAY APPARATUS - A head-up display apparatus includes light emission units, a first reflection unit, a second reflection unit, a first diffusion unit, a second diffusion unit, and a driver unit. The light emission units are disposed along one end surface of an upper or lower end surface of a combiner, and emit light. The first reflection unit is disposed to a part of the light emission units, and reflects the light. The second reflection unit is disposed to a part of the light emission units, and reflects the light. The first diffusion unit is disposed in the first side end surface, and diffuses the light. The second diffusion unit is disposed in the second side end surface, and diffuses the light. The driver unit selectively drives one of the light emission unit, and causes to emit the light. The combiner includes an invisible region. | 02-18-2016 |
20160053531 | LIGHT-DIFFUSING STRUCTURE - A light-diffusing structure may include a plurality of light-diffusing cell units. Each light-diffusing cell unit is polygonal with a plurality of edges and corners respectively, and the light-diffusing cell units connect with others by the edges to form a light-diffusing panel. When the sunlight passes through the light-diffusing panel, the sunlight is diffused and converted to a uniformly balanced light source. The light-diffusing structure may further include a restricting unit to restrict the movement of the light-diffusing panel. | 02-25-2016 |
20160054485 | LIGHT-DIFFUSING ELEMENT AND METHOD FOR MANUFACTURING LIGHT-DIFFUSING ELEMENT - An object of the present invention is to provide a light diffusing element having a high haze value, strong diffusibility, a smooth surface, and suppressed backscattering. The light diffusing element of the present invention includes: a matrix including a resin component and ultrafine particle components; and light diffusing fine particles dispersed in the matrix, in which part of the resin component permeates the light diffusing fine particles, and a permeation range of the resin component in the light diffusing fine particles is 90% or more with respect to an average particle diameter of the light diffusing fine particles in the light diffusing element, and in which the light diffusing element has an arithmetic average surface roughness Ra of 0.04 μm or less. | 02-25-2016 |
20160062163 | MULTI-DISPLAY DEVICE - A multi-display device includes: a plurality of display devices disposed adjacent to each other; and a plurality of optical apparatuses disposed on at least a part of a display area and a non-display area of a respective one of the plurality of display devices, wherein each of the plurality of optical apparatuses comprises: a transparent body having a side surface substantially perpendicular to one surface of the display device and a first inclined surface disposed to face the non-display area; and a reflective member disposed on the side surface and the first inclined surface. | 03-03-2016 |
20160070036 | LIGHT-DIFFUSING-ELEMENT MANUFACTURING METHOD AND LIGHT-DIFFUSING ELEMENT - Provided is a method of manufacturing a light diffusing element by which a light diffusing element having a high haze value, having strong diffusibility, and having suppressed backscattering by virtue of having a smooth surface can be manufactured at low cost and with high productivity (within a short period of time). The method of manufacturing a light diffusing element according to one embodiment of the present invention includes: a step A of mixing light diffusing fine particles and an organic solvent to prepare a mixed liquid and to swell the light diffusing fine particles; a step B of mixing the mixed liquid and a matrix-forming material containing a precursor of a resin component and ultrafine particle components; and a step C of polymerizing the precursor of a resin component to form a matrix including a resin component and the ultrafine particle components. | 03-10-2016 |
20160070037 | DIFFUSE REFLECTORS - A process for fabricating a diffuse reflector includes: mixing a fluid that is immiscible in a solution containing mesogens into the solution to create a mixture containing droplets of the fluid suspended in the mixture; depositing a layer of the mixture on a surface; and processing the layer to form a film in a manner such that the droplets of the fluid disrupt alignment of the reactive mesogens in the solution and nucleate defects that propagate through the film. A diffuse reflector may include a first layer of cholesteric material that reflects a first wavelength of light and fluid droplets distributed in the layer to nucleate defects and separate domains. | 03-10-2016 |
20160072083 | TRANSPARENT DIFFUSIVE OLED SUBSTRATE AND METHOD FOR PRODUCING SUCH A SUBSTRATE - A transparent diffusive OLED substrate includes (a) a transparent flat substrate made of mineral glass having a refractive index of between 1.45 and 1.65, (b) a rough low index layer including mineral particles, the mineral particles being attached to one side of the substrate by means of a sol-gel mineral binder, the mineral particles near, at or protruding from the mineral binder's surface creating a surface roughness characterized by an arithmetical mean deviation Ra comprised between 0.15 and 3 μm, the mineral particles and mineral binder both having a refractive index of between 1.45 and 1.65; (c) a high index layer made of an enamel having a refractive index comprised between 1.8 and 2.1 covering the rough low index layer. | 03-10-2016 |
20160077246 | OPTICAL-DIFFUSION FILM FOR DISPLAY AND REFLECTIVE DISPLAY DEVICE USING SAME - Provided are an optical-diffusion film for display which, particularly when applied to a reflective display device, can efficiently diffuse and emit an external light incident from a wide range of angles toward the front of the display device as image display light, and a reflective display device using the optical-diffusion film. | 03-17-2016 |
20160077247 | LIGHT-DIFFUSING ELEMENT AND METHOD FOR MANUFACTURING LIGHT-DIFFUSING ELEMENT - Provided is a light diffusing element having a high haze value, strong diffusibility, suppressed backscattering, and reduced transmission of straight advancing light. The light diffusing element of the present invention includes: a matrix including a resin component and ultrafine particle components; and light diffusing fine particles dispersed in the matrix, in which a concentration modulation region having a substantially spherical shell shape is formed on an outside of each of the light diffusing fine particles in a vicinity of a surface thereof, a weight concentration of the ultrafine particle components in the concentration modulation region increasing with increasing distance from the each of the light diffusing fine particles, and in which an average center-to-center distance A of the light diffusing fine particles in the light diffusing element, and an average particle diameter B of the light diffusing fine particles in the light diffusing element have a relationship of 0.90 | 03-17-2016 |
20160077254 | DISPLAY APPARATUS - A display apparatus for displaying an image to a user includes: a display panel configured to generate visible light; and an optical functional layer including: a matrix mixed with a plurality of optical functional particles that are colored, wherein the optical functional layer is at a side of the display panel such that at least a part of the visible light from the display panel would pass through the optical functional layer. | 03-17-2016 |
20160077374 | DISPLAY DEVICE - A display device includes a reflective image display unit having a sheet-like anisotropic scattering member. The sheet-like anisotropic scattering member has a surface in which both a low refractive index area and a high refractive index area exist. The sheet-like anisotropic scattering member is disposed so that a light enters from a first surface thereof and exits as scattered light from a second surface thereof, when an extent of refractive index difference at a boundary or vicinity thereof between the low refractive index area and the high refractive index area is relatively large in the first surface and relatively small in the second surface. | 03-17-2016 |
20160084998 | LIGHT-DIFFUSING ELEMENT - Provided is a light diffusing element having a high haze value, strong diffusibility, and suppressed backscattering. The light diffusing element of the present invention includes a matrix including a resin component and ultrafine particle components, and light diffusing fine particles dispersed in the matrix, in which the ultrafine particle components have an average primary particle diameter of 100 nm or less, and in which the light diffusing element is substantially free of aggregated ultrafine particle components. In a preferred embodiment, the light diffusing fine particles have an average primary particle diameter of from 1 μm to 5 μm, the light diffusing fine particles have a coefficient of variation in weight average particle diameter distribution of 20% or less, and the light diffusing fine particles are substantially free of aggregation. | 03-24-2016 |
20160089978 | VEHICULAR DISPLAY DEVICE - Provided is a vehicular display device that offers good visibility without causing a passenger to feel uncomfortable. In a bezel that includes a cover portion arranged above a display unit of a vehicular display device and a frame portion enclosing the cover portion, a front-side end portion of the cover portion is arranged at a position lower than a rear-side end portion. As a result, external light is reflected forward. Moreover, a front frame includes a reflecting plate, a semi-transparent output plate covering over the reflecting plate, and a light-collecting portion collecting external light that enters from a front into a space enclosed by the reflecting plate and the output plate. As a result, the front frame is prevented from being darkly reflected onto a front glass. | 03-31-2016 |
20160109640 | LUMINANCE ENHANCEMENT FILM, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention discloses a luminance enhancement film comprising a support substrate, a brightness enhancement layer and a reinforcing layer. The support substrate has a first surface and a second surface opposite to the first surface. The first surface of the support substrate supports the brightness enhancement layer. The reinforcing layer has a third surface and a fourth surface opposite to the third surface. The third surface of the reinforcing layer is disposed on the second surface of the support substrate. The reinforcing layer comprises a continuous phase and a disperse phase. At least one portion of the disperse phase is disposed in the continuous phase for diffusing the light entering the reinforcing layer, wherein the rigidity of the luminance enhancement film is strengthened primarily by the continuous phase of the reinforcing layer. | 04-21-2016 |
20160116645 | OPTICAL EFFECT STRUCTURES - The present invention provides an optical coating structure ( | 04-28-2016 |
20160124128 | PRINTING PLATE, SCATTERING LAYER, METHOD FOR FABRICATING THE SAME, AND DISPLAY APPARATUS - A printing plate, a scattering layer and a method for fabricating the same, and a display apparatus are provided. The printing plate is formed with a plurality of protrusion structures thereon, and the protrusion structures have a maximum width of 1 nm-1000 nm. The scattering layer is obtained by printing using the printing plate, and has groove structures corresponding to the protrusion structures on the printing plate thereon. The scattering structure is used on an organic light emitting display device, which can increase the light extraction efficiency and the external quantum efficiency and improve the display quality. | 05-05-2016 |
20160126697 | SEMICONDUCTOR LASER DEVICE AND METHOD FOR PRODUCING SAME - In a semiconductor laser device including a semiconductor laser element that emits laser light from an emission region thereof, a cap having a peripheral wall and a ceiling wall that cover the semiconductor laser element and having a window portion formed in the ceiling wall to face the emission region, and a transparent optical member that fills the window portion, the optical member is formed by curing a liquid resin and holds the ceiling wall, and a light incidence surface of the optical member faces the emission region and is formed by natural flow of the liquid resin. | 05-05-2016 |
20160139453 | DISPLAY APPARATUS - A light diffusing member includes a base having light transmissivity, a light diffuser formed with a predetermined height on a surface of the base facing a display body, and a light blocking layer formed in a region other than the light diffuser on the surface of the base facing the display body. The light blocking layer has a thickness smaller than the height of the light diffuser. The light diffuser has a light exit end surface that is in contact with the base, and a light entrance end surface that is opposite the light exit end surface and that has an area larger than the area of the light exit end surface. The light entrance end surface is adhered to the adhesive layer, and the thickness of the adhesive layer is smaller than the height of a space formed between the light diffuser and the light blocking layer, the height extending from the light blocking layer to the light entrance end surface. | 05-19-2016 |
20160139454 | LIGHT DIFFUSION MEMBER, METHOD FOR MANUFACTURING SAME, AND DISPLAY DEVICE - A light diffusion member includes a substrate that has optical transparency, a light diffusion portion that is formed with a prescribed height on one surface of the substrate, a light shielding layer that is formed with a thickness less than the height of the light diffusion portion in another region of the one surface of the substrate than the light diffusion portion, and an antiglare layer that is formed on the other surface of the substrate. The light diffusion portion includes a light emission end surface that contacts with the substrate, a light incident end surface that faces the light emission end surface and has a larger area than an area of the light emission end surface, and a side surface that is formed between the light emission end surface and the light incident end surface, and the antiglare layer includes a binder layer and plural light diffusion particles that are dispersedly arranged in the binder layer. | 05-19-2016 |
20160170225 | ANTI-SPECKLE TRANSMISSIVE DIFFUSER SCREEN | 06-16-2016 |
20160178907 | HEAD-MOUNTED ELECTRONIC DEVICE AND DISPLAY THEREOF | 06-23-2016 |
20160202541 | DISPLAY DEVICE AND LIGHT-DIFFUSING MEMBER | 07-14-2016 |
20160252653 | MICROSTRUCTURED FILM COMPRISING NANOPARTICLES AND MONOMER COMPRISING ALKYLENE OXIDE REPEAT UNITS | 09-01-2016 |
20160252745 | APPARATUS AND METHOD FOR SPECKLE REDUCTION IN LASER PROCESSING EQUIPMENT | 09-01-2016 |
20160377768 | HIGH-LUMINANCE SURFACE - A cover glass assembly comprises a sheet having a first surface and a second surface below the first surface. The second surface comprises a textured portion. The cover glass assembly also includes a pigment layer below the textured portion, and a mirror layer below the pigment layer. The textured portion diffusely reflects a first portion of light that enters the cover glass assembly through the first surface. The pigment layer diffusely reflects a second portion of the light. The mirror layer reflects, onto the pigment layer, a third portion of the light. The cover glass assembly provides a high-luminance surface. A method of forming the cover glass assembly is also disclosed. | 12-29-2016 |
20160377770 | DISPLAY DEVICE - A display device includes: a display panel to display an image; a window covering the display panel, and including a display area through which the image is to be transmitted, and a non-display area surrounding the display area, the window including: a window base opposite the display panel; a printing layer below the window base; and a light-path changing layer between the window base and the printing layer, the light-path changing layer including: an optical structure; and a resin coating the optical structure; and an adhesive layer between the display panel and the window. | 12-29-2016 |
20160377878 | COMPOSITE LASER LINE PROJECTOR TO REDUCE SPECKLE - To reduce speckle, a composite laser line beam is formed by the superposition of coherent laser line beams projected at different angles towards a target during use. The superposition of the coherent laser line beams combined with their differing angles of incidence relative to the target allow the composite laser line beam to have a reduced amount of speckles, which is desirable when illuminating the target in imaging applications. The laser line projector generally has a frame, a projection plane, laser sources and a reformatting assembly. During use, the laser sources project coherent laser beams towards the reformatting assembly which reformats the coherent laser beams into the coherent laser line beams to form the composite laser line beam. | 12-29-2016 |
20170235028 | DIFFUSER PLATE AND METHOD FOR PRODUCING DIFFUSER PLATE | 08-17-2017 |
20170235154 | DIFFUSER PLATE AND METHOD FOR DESIGNING DIFFUSER PLATE | 08-17-2017 |
20190146126 | LIGHT REDIRECTING FILM CONSTRUCTIONS AND METHODS OF MAKING THEM | 05-16-2019 |
20190146127 | TRANSPARENT LIGHT SCATTERING BODY, REFLECTIVE TRANSPARENT SCREEN COMPRISING SAME, AND VIDEO IMAGE PROJECTION SYSTEM COMPRISING SAME | 05-16-2019 |
20190146237 | DIFFUSER PLATE AND PROJECTION-TYPE PROJECTOR DEVICE | 05-16-2019 |