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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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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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7551239 |
Viewing angle control element and image display based on same
A viewing angle control element of the present invention contains transparent regions 23 having a transmittance T 1 and light shield regions 24 capable of switching between a transmittance T 2...
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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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7542118 |
Antiglare film
An antiglare film is disclosed comprising a transparent substrate and an antiglare layer including a binder matrix and a particle, wherein center line average roughness Ra of a surface of an...
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7473000 |
Shield for solar radiation collector
A solar concentrator may include a substantially planar surface, a curved primary mirror having a first perimeter, at least a portion of the first perimeter being in contact with the substantially...
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7453056 |
Compound-eye imaging device
A compound-eye imaging device comprises: an optical lens array with integrated optical lenses; a stop member; a photodetector array for imaging multiple images formed by the optical lenses; and a...
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7427140 |
Sunlight readable direct-view and projection-view computing device
The present invention relates to a sunlight readable computing device, especially, to a full color direct-view and projection-view computing device. When the computing device works in the...
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7419272 |
Day and night film
An optical element having a front side and a back side operates in an ambient lit mode and a backlit mode. The optical element includes a diffusely reflecting layer facing the front side for...
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7401931 |
Apparatus for optical beam shaping and associated methods
This invention relates to an apparatus for optical beam shaping and diffusing, a method for making the apparatus, and a method for using the apparatus. The apparatus comprises a crystalline...
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7386229 |
Camera LCD screen hood and viewing device
In an exemplary embodiment, an LCD screen hood is provided for use with digital cameras. The hood includes a hood tube that defines a light blocking sidewall having an open camera end and an...
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7380949 |
Light modulator device
A method of reducing stray light contribution of a display system is described. Light rays are directed to at least one pixel of the display system and the light rays are modulated to form...
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7379246 |
Light-diffusing film
Disclosed herein is a light-diffusing film for a backlight unit of a thin film transistor-liquid crystal display. Specifically, the current invention provides a light-diffusing film, including a...
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7354164 |
Dispersing and polarizing light filter
An optical filter includes an array of light-transmissive beads in a matrix of opaque binder that surrounds one portion of the beads to provide light entrances and exit apertures for incident light...
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7352339 |
Diffuse illumination systems and methods
The systems and methods disclosed herein relate to sources of diffuse illumination for providing substantially uniform illumination to a surface. The diffuse illumination arises from varying the...
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7341355 |
Anti-glare optical film and process for preparing the same
An anti-glare optical film which reduces in whitening of a screen without sacrificing anti-glare property, and a process for preparing the same. There is provided an anti-glare optical film has an...
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7297386 |
Antireflection structure
An antireflection structure ( 10 ) comprises a base ( 1 ), and a finely roughened antireflection part ( 2 ) formed in a surface of the base ( 1 ). The finely roughened antireflection part ( 2 )...
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7277213 |
Aperture plate and related system and method
An aperture plate includes an opening and a surface adjacent to the opening. The opening passes electromagnetic energy such as light to a reflector that is aligned with the opening and that directs...
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7258908 |
Anti-glare film, method of producing the same, and display equipped with the same
The present invention provides an anti-glare film having rough surface of which R (0) and R (30 or more)/R (0) are 1% or less and 0.001 or less, respectively, wherein R (0) is if the regular...
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7245434 |
Light-diffusing sheet, optical element and image display
A light-diffusing sheet includes a transparent film and a light-diffusing layer formed on at least one side of the transparent film. The transparent film contains a thermoplastic resin having a...
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7245433 |
Light-diffusing sheet, optical element and image viewing display
A light-diffusing sheet includes a transparent film and a light-diffusing layer formed on at least one side of the transparent film. The light-diffusing layer is composed of a resin coating layer...
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7167313 |
Three dimensional imaging system
Recent advances in surface techniques have lead to the development of extremely small (sub-micron) scale features. These techniques allow the formation of polymer micro-lenses as well as variable...
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7139125 |
Polarizing turning film using total internal reflection
A light redirecting article redirects light toward a target angle. The light redirecting article has an input surface for accepting incident illumination over a range of incident angles and an...
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7137714 |
Apparatus for optical beam shaping and diffusing and associated methods
This invention relates to an apparatus for optical beam shaping and diffusing, a method for making the apparatus, and a method for using the apparatus. The apparatus comprises a crystalline...
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7119971 |
Optical prism, display element support and optical assembly using the same
An optical prism 100 for reflecting light incident on its light incidence surface 12 suited for incidence of light from an LCD 20 at least twice within itself and emitting the reflected light...
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7108383 |
Optical system with reflection-angle-selective mirror
An optical system includes a reflection-angle-selective mirror having a substrate, and a reflection-angle-selective coating structure deposited on the substrate. The reflection-angle-selective...
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7104659 |
Apparatus for using optical tweezers to manipulate materials
A method and apparatus for control of optical trap arrays and formation of particle arrays using light that is in the visible portion of the spectrum. The method and apparatus provides a laser and...
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7083292 |
Sheets for plasma display panels and process for producing the same
A PDP resin sheet 11 capable of transmitting a rectilinear light is prepared by alternately arranging a transparent section 12 and a dark section 13 in the direction of the sheet surface. The...
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7055972 |
Device for an optical system
An optical device includes an objective and a detector or reticle interacting with the objective via a stop aperture. A decentralizing function for the objective and stop relative to the detector...
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7038849 |
Color selective screen, enhanced performance of projection display systems
Optical properties of a screen on which an image is being projected are considered. A patterned surface is given a predetermined pattern of color pixels whereby a degree of wavelength selectivity...
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7035011 |
Support surface of a device for optically capturing objects
A device for optically capturing objects has a support surface ( 1 ) for an object, a light source ( 4 ) and a capturing means ( 5 ) for capturing the positioned object and for converting the image...
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7009789 |
Optical device, system and method
An optical device is formed of an array of micro-wedges where each micro-wedge is different in size and shape from adjacent micro-wedges. Each micro-wedge of the array directs light in a...
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6997566 |
Rear projection screens and light filters with conformable coatings and methods of making the same
This invention relates to light transmitting filters comprising: (a) a light absorbing layer of material having a front surface and a back surface, (b) transparent microspheres embedded in the...
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6992828 |
Optical attentuator system
A uniform optical attenuation system for high power detection comprises a detector unit ( 11 ), a plurality of diffusing elements ( 14, 15, 16, 17 ) for receiving and diffusing input light and an...
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6992827 |
Antiglare film, method for fabricating the same, polarizer element and display device employing the same, and internal diffusion film
An antiglare film has an internal diffusion layer, composed of a transparent matrix and a transparent diffusive material, and surface irregularities. The diffusive material has a different...
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6987590 |
Patterned reflective optical structures
An optical structure includes a light transmissive substrate having a surface relief pattern applied thereon, such as a hologram. A patterned layer of a reflective material is applied over portions...
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6980378 |
Image display apparatus
An image display apparatus for enhancing contrast is provided. The apparatus includes a tunable illumination mask and/or a tunable image mask. According to the light path in the image display...
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6974219 |
Zero reflectance design for tilted devices
Techniques that eliminate or otherwise reduce retroreflections associated with focal plane arrays (cooled and uncooled) and other tilted devices are disclosed. The device topology is designed so...
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6963451 |
Light diffusive sheet
The invention provides a sheet ( 1 ) comprising a light-transmittable resin, in which irregularities are formed on both sides ( 1 a ) and ( 1 b ) of the sheet, the average surface roughness of one...
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6945657 |
Surveying instrument
A surveying instrument includes a sighting telescope having an objective lens and an eyepiece; an erecting optical system functioning so that an image formed by said objective lens is viewed as an...
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6939015 |
Chromium black light shield
A black light shield for preventing incident light from being received by light receiving elements, the black shield includes a support structure; a first CrO x layer disposed over the support...
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6939014 |
Liquid transmissive filter having anisotropic properties and method of fabrication
An optical filter includes an array of light-transmissive beads in a matrix of light absorbing binder that surrounds one portion of the beads to provide light entrances and exit apertures for...
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6896377 |
Interchangeable low-backscatter aperture structure
An interchangeable low-backscatter aperture structure includes but is not limited to an aperture insert that is releasably engaged in a base. The aperture insert includes an aperture that may be of...
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6894748 |
Bump structure of a scattering reflective board and method for manufacturing the bump structure
A bump structure of a scattering reflective board and a method for manufacturing the bump structure. Multiple strip-shaped shielding sections are arranged on an optical mask at intervals. Multiple...
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6894746 |
Apparatus and method for reflecting light into a specified plane area
Unit reflection areas ( 13 ) each consisting of one or plural recesses and projections ( 17 ) are formed on the surface of a reflection plate ( 11 ). Light incident into the reflection plate ( 11 )...
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6863406 |
Apparatus and method for fabricating, sorting, and integrating materials with holographic optical traps
An apparatus and method for manipulating, effecting interaction of, photochemically transforming and/or sorting small dielectric particles or other materials. The apparatus and method involves use...
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6852376 |
Antiglare film
An antiglare film applicable to polarizers or displays includes a light-transparent resin, first light-transparent particles dispersed on surface of the light-transparent resin and second...
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6840636 |
Solar diffusion loss compensator and collimator
A solar diffusion loss compensator and collimator that reduces loss due to reflection of non-perpendicular energy rays that are usually reflected and lost externally by providing a means to capture...
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6830349 |
Black body background for imaging
A light trap suitable for use in an optical imaging system includes a hollow sphere, with a hollow cylindrical tube attached substantially tangent to the surface of the sphere, and forming a...
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6830348 |
Antiglare and antireflection film, polarizer, and image display device
An antiglare and antireflection film is provided, which can be formed by a wet-coating method and which is excellent in the antireflection property, antifouling property, scratch resistance,...
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