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7619822 |
Systems and methods of providing a light guiding layer
Various embodiments of the invention include an interferometric optical modulator comprising a substrate layer and a light direction layer. Such an interferometric modulator may be integrated with...
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7614776 |
Diffusing board and surface light source device
A diffusing board which can suppress moiré fringes, color flickering and screen brightness deterioration on a screen of a liquid crystal display device. On the surface of a transparent board ( 83...
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7612942 |
Optical diffuser having frit based coating with inorganic light diffusing pigments with variable particle size therein
A diffuser is provided that includes a glass substrate with a diffusing coating thereon. The diffusing coating may include one or more layers. In certain example embodiments, the diffusing coating...
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7609448 |
Light diffuser plate
An object of the present invention is to provide a light diffuser plate ( 1 ) which can illuminate the front side more brightly when incorporated in a surface light source ( 3 ) constituting a...
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7607813 |
Backlight module
A backlight module includes a light source and an integrated optical film. The integrated optical film includes a base, a brightness enhancement layer and a diffusion layer. The base has a first...
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7604381 |
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...
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7602551 |
Light guide plate for liquid crystal display back light units and liquid crystal display back light unit using the same
A light guide plate includes a main body having opposing side faces, and front and rear faces connected to the opposing side faces, the front face being adapted to output light incident on at least...
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7589897 |
Antiglare film
An antiglare film comprises a transparent substrate; and an antiglare layer on the transparent substrate, the layer including a binder matrix, organic particles A and organic particles B having an...
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7583429 |
Ornamental display device
An ornamental display device having an interferometric modulator for displaying an ornamental image. The ornamental device may have a patterned diffuser formed on a transparent substrate to provide...
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7583331 |
Diffuser for light from light source array and displays incorporating same
An optical structure placeable between a backlight array of point light sources and a planar display. The structure distributes light emitted by the point light sources to uniformly illuminate the...
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7576915 |
Display device
A display device comprises a light emitting picture element ( 120 ) and a contrast enhancing element ( 110 ). The contrast enhancing element comprises a plurality of wave guides ( 216 ) separated...
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7576914 |
Light-diffusing sheet
A light-diffusing sheet having a flat entrance surface and an exit surface parallel to the entrance surface, the light-diffusing sheet includes a sheet body, and a plurality of wedge-shaped parts,...
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7573644 |
Light pipe assembly including a plurality of lenses and related projector system
A light pipe assembly includes a lens set and a holder. The lens set includes a first lens, a second lens, a third lens, and a fourth lens. The first lens has a first surface and a fifth surface...
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7569257 |
Light modulating plate, backlight assembly having the same and display device having the same
In a light modulating plate, a backlight assembly having the light modulating plate and a display device having the light modulating plate, the light modulating plate includes a light modulating...
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7567383 |
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...
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7563508 |
Diffusion beads with core-shell structure
The diffusion beads according to the present invention have a core-shell structure of multi-layered beads consisting of organic and inorganic materials. The diffusion beads are used for improving...
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7554737 |
Illumination device and method using adaptable source and output format
Systems and methods for providing illumination suitable for imaging devices such as laser projection systems, wherein the illumination pattern is adjustable by modifying one or more characteristics...
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7553050 |
Optical sheet, backlight assembly and display device having the same
An optical sheet includes a base film and a light-concentrating member. The light-concentrating member includes light-concentrating protrusions and is disposed on the base film. Each of the...
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7548372 |
Light reflector and planar light source device
A light reflector including a laminate film having a light-diffusive layer on one surface of a substrate layer, wherein the surface roughness index of the light-reflective surface is at least 1,...
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7548371 |
Optical film, illuminator and display
An optical film is provided for use in a light source or display to provide rapid cut-off of illumination with angle. The film comprises a light-transmissive substrate of a material having a...
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7542207 |
Antiglare and antireflection film polarizing plate and display device
An antiglare and antireflection film having sufficiently high antireflection performance and at the same time, having excellent image display quality. An antiglare and antireflection film...
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7538947 |
Antiglare light diffusing member
An antiglare light diffusing member is disclosed comprising a transparent base material; and an antiglare light diffusing layer including a binder matrix and a particle; wherein, as for the layer,...
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7532398 |
Light pipe and polarized-light source
A light pipe is obtained by laminating on one or both surfaces of a light-transmitting resin plate a polarized-light scattering plate having fine birefringent domains dispersed therein and hence...
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7530699 |
Optical lens component and optical lens arrangement comprising the lens component
An optical lens component includes a lens element with a mounting portion. The mounting portion has spaced parallel surfaces that extend perpendicularly to the optical axis of the lens element. At...
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7526878 |
Method and apparatus for drying coating film and method for producing optical film
The present invention provides a method for drying a coating film comprising drying a coating film of an organic solvent-containing coating liquid applied to a running band-shaped flexible...
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7525731 |
Antiglare light diffusing member
An antiglare light diffusing member is provided comprising a transparent base material and an antiglare light diffusing layer including a binder matrix, a plurality of particles (A) and a plurality...
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7507470 |
Diffusion sheet for TFT-LCD
Disclosed herein is a diffusion sheet for use in a backlight unit of a TFT-LCD. Specifically, this invention provides a diffusion sheet including a transparent base sheet, a light-diffusing layer...
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7505104 |
Antiglare antireflective film, polarizing plate and liquid crystal display
An antiglare antireflective film is provided and includes: a transparent substrate; and at least one layer. The antiglare antireflective film having a surface having asperities in which: 15% to 70%...
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7492520 |
Light source apparatus and display apparatus
A light source apparatus is provided. The light source apparatus includes: a light-emitting portion; a light-guiding plate having the light-emitting portion disposed at a side surface thereof,...
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7489373 |
Prism sheet and liquid crystal display having the same
A prism sheet that allows light that is incident with an angle below 2.8° with respect to an axis normal to a light incident surface to be refracted and emitted, and a liquid crystal display...
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7483094 |
Optical sheet, backlight and liquid crystal display apparatus
An optical sheet has a large number of cylindrical lens elements provided successively on one of principal faces thereof. The cylindrical lens elements have a hyperboloidal face or a paraboloidal...
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7482572 |
Transmissive diffuser with a layer of polytetrafluoroethylene on the output surface for use with an on-orbit radiometric calibration
A flux diffuser for radiometrically calibrating an imaging sensor using the sun as a calibration light source, the flux diffuser including a fiberglass cloth having input and output surfaces. The...
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7477435 |
Projector
A projector includes: a light source device that emits a laser beam toward a projected surface; a scanning unit that scans the laser beam emitted from the light source device; a light diffusion...
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7474464 |
Diffuser plate with higher light diffusion efficiency and brightness
A diffuser plate with higher light diffusion efficiency and brightness applied to backlight module of Liquid Crystal Display TV (LCD TV) for providing uniform light is disclosed. An optical lens...
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7473521 |
Composite mask for producing a diffuser
The invention relates to an alternative composite mask that is substantially composed of a transparent support film coated with a transparent polymer matrix that contains light-absorbing pigment...
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7472999 |
Antiglare film, process for producing the same, and display device using antiglare film
An antiglare film having excellent durability is disposed on the front of a display device and comprises a transparent plastic film and, formed on the transparent plastic film, at least an...
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7468203 |
Textured window film
A textured window film has a prismatic effect that allows a substantial amount of incoming light to pass through a window while refracting the light at random or semi-random angles in a manner that...
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7467886 |
Optical sheet, method for producing the same and display apparatus
A lens film with small warpage even when a transparent base is thin is provided. Pole prisms made of a hardening resin are arranged along the extending direction on a transparent base made of...
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7460303 |
Directional diffuser
A diffuser is disclosed which transmits or reflects incident light into a specific range of angles. In a preferred embodiment, this light is uniformly scattered throughout a cone of angles. The...
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7446939 |
Optical diffuser with UV blocking coating using inorganic materials for blocking UV
A diffuser is provided in an illumination system, where the diffuser is capable of blocking significant amounts of ultraviolet (UV) radiation. In certain example embodiments, the diffuser includes...
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7446462 |
Brightness-enhanced multilayer optical film with low reflectivity for display and organic light emitting diode display using the same
The subject invention features a low-reflectivity, brightness-enhancing multilayer optical film for enhancing the brightness of an organic light emission diode (OLED) display and imparting...
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7443588 |
Optical diffuser for producing a circular light field
The optical diffuser has a transparent base body with a first surface, which is divided into facets. Each facet has an elevation or a depression correlated or associated with a second curved...
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7440153 |
Backlight unit for flat panel display and flat panel display apparatus having the same
A backlight unit for a flat panel display and a flat panel display apparatus having the same. The backlight unit for a flat panel display includes a light source emitting light, a light guide panel...
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7420739 |
Light-diffusing film having pores
Disclosed herein is a light-diffusing film having pores for use in a backlight unit of a TFT-LCD. The light-diffusing film having pores of this invention comprises a base sheet composed of a...
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7414788 |
Diffusion plate used in direct-type backlight module and method for making the same
The present invention relates to a diffusion plate used in a direct-type backlight module and a method for making the same. At least one of the surfaces of the diffusion plate has a microstructure...
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7411732 |
Backlight module and brightness enhancement film thereof
A backlight module includes a light source, a light guide disposed on one side of the light source, a reflector disposed under the light guide, a lower diffuser disposed on the light guide, and a...
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7405883 |
Optical component and method of manufacture of optical component
An optical component or optical low-pass filter has two or more regions demarcated by differences in refractive indexes, in which a region having a refractive index different from the refractive...
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7399084 |
Laser image display apparatus
A light diffuser containing light diffusing elements is arranged in the most appropriate position between a spatial light modulator and an illumination optical system. Thereby, particles as light...
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7397601 |
Optical system for cell imaging
A microscope system ( 10, 10′, 10″, 10 ′″) includes a laser ( 18 ) or light emitting diode ( 18 ′″) that generates source light having a non-uniform spatial distribution. An optical...
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7397522 |
Method for illuminating liquid crystal display device, a back-light assembly for performing the same, and a liquid crystal display device using the same
A method for illuminating a liquid crystal display device, a back-light assembly for performing the same and a liquid crystal display device using the same can improve the front luminance and...
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