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7633679 |
Polarizing turning film
A light redirecting article redirects light toward a target angle. The light redirecting article is made from a material having a refractive index greater than 1.6. The light redirecting article...
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7633678 |
Optical element, polarizing element, lighting device, and liquid crystal display
An optical element of the invention comprises at least two laminated layers of reflective polarizer; and at least one retardation layer for changing polarization properties laminated between the...
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7630134 |
Optical element, polarizing element, lighting device, and liquid crystal display
An optical element of the invention comprises at least two laminated layers of reflective polarizer; and at least one retardation layer for changing polarization properties laminated between the...
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7619817 |
Polarization filter utilizing Brewster's angle
A polarization filter utilizing Brewster's angle. The polarization filter includes a stimulus receiving body having more than one facet. At least two of the more than one facet being arranged at...
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7612939 |
Transmissive phase plate, polarized beam splitter, and projection display
A transmissive phase plate with a function of correcting direction of polarization of light rays in an incident divergent or convergent light flux in addition to functions as a wave plate....
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7573636 |
Systems for influencing laser beam polarization
The invention relates to a device ( 1 ) for influencing the polarization of laser radiation using a phase-shifting element ( 5 ) and an element ( 7 ) deflecting the laser radiation. The...
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7564633 |
Catadioptric imaging system for high numerical aperture imaging with deep ultraviolet light
A catadioptric imaging system for micro-lithographic projection features a high numerical aperture objective where most of the focusing power is produced by reflection and refraction angles are...
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7562984 |
Polarizing beam splitter and projection apparatus having the same
A polarizing beam splitter comprising a multilayer film formed by alternately laminating a plurality of H layers and a plurality of L layers having a relatively lower refractive index than a...
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7537352 |
Light emitting diode illumination device capable of providing uniformly polarized light
A LED illumination device includes a tapered light guiding member, a LED, a reflective polarizer and a quarter-wave retarder. The light guiding member includes a light input surface and an opposite...
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7535639 |
Optical depolarizers and DGD generators based on optical delay
Techniques and devices for depolarizing light and producing a variable differential group delays in optical signals. In one implementation, an input optical beam is split into first and second...
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7532397 |
Optical material, optical device fabricated therefrom, and method for fabricating the same
In order to make a reflection coefficient in boundary surface between materials to be zero and permeate 100% of a light independent of a polarization direction, an optical device made of an optical...
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7529024 |
Polarization conversion system and illumination module
A polarization conversion system includes at least one beam splitting and combining unit having a polarization beam splitting element and a dichroic element, a dichroic unit, a polarization beam...
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7507976 |
Lithographic apparatus, beam delivery systems, prisms and device manufacturing method
A beam directing element configured to receive a substantially collimated input beam of predetermined wavelength propagating in a first direction and to output a substantially collimated output...
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7459204 |
Modified copolyesters and improved multilayer reflective films
A multilayered polymer film includes a first set of optical layers and a second set of optical layers. The first set of optical layers is made from a polyester which is often birefringent. The...
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7453635 |
Imaging material with improved contrast
An imaging material has been developed which provides improved image contrast, increased gain and increased viewing angle. A method for production of the screen element is also described. The...
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7413317 |
Polarized UV exposure system
A light exposure system is used to expose an alignment layer formed of anistropically absorbing molecules so as to allow alignment of subsequently applied liquid crystal polymer (LCP) molecules....
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7379242 |
Polarization beam splitter and projection apparatus having the same
The present invention provides a polarization beam splitter including a multilayer film formed by laminating a first layer having a refractive index in a first range, a second layer having a...
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7369312 |
Thin layered micro optics polarization converter
A thin optic electro magnetic radiation polarization converter, available in various combinations, used to convert non-polarized radiation into a single polarization state, which may be utilized in...
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7365906 |
Projection screen and projection system containing same
A projection screen capable of sharply displaying an image even under bright environmental light with high image visibility. A projection screen has a polarized-light selective reflection layer...
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RE40251 |
Optical element, polarization illumination device, and projector
Two polarization conversion element arrays are disclosed. Each polarization conversion element array is composed of a plurality of polarization conversion elements for converting light incident...
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7297393 |
Optical film
Birefringent optical films have a Brewster angle (the angle at which reflectance of p-polarized light goes to zero) which is very large or is nonexistent. This allows for the construction of...
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7281803 |
Polarization conversion assembly to complement angular transmission distribution of polarizing light modulator
An apparatus, system, and method for a polarizing conversion assembly adapted to provide polarized light having an intensity distribution to complement an angular transmission distribution of a...
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7262920 |
Optical element and manufacturing method therefor
An optical element and a manufacturing method therefor, an exposure apparatus, and a device manufacturing method that can reduce the effect of intrinsic birefringence under high NA conditions....
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7256936 |
Optical polarizing films with designed color shifts
Multilayer films are provided that exhibit a colored appearance when viewed at an oblique angle as a result of one or more reflection bands in the visible region of the spectrum. The films however...
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7255914 |
Variable refractive index polymer materials
A new class of composite polymer films where the refractive index can be varied by simple compressive or extensive forces. The films are comprised of alternating layers of an elastomer and a glassy...
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7256940 |
Multi-layer thin-film broadband beam splitter with matched group delay dispersion
A beam splitter includes a substrate. A thin film layer stack is formed on the substrate to achieve the same group delay dispersion (GDD) for both reflection and transmission from any input port...
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7245431 |
Reflective polarizer assembly
An assembly that includes a first reflective polarizer substantially reflecting light having a first polarization state and substantially transmitting light having a second polarization state, a...
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7239446 |
Optical reduction system with control of illumination polarization
An optical reduction system with polarization dose sensitive output for use in the photolithographic manufacture of semiconductor devices having variable compensation for reticle retardation before...
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7222965 |
Optical unit and a projection image display apparatus using the same
The present invention provides a projection image display technology capable of correcting astigmatism due to use of a polarized-beam splitter, thus ensuring high-resolution projection images. A...
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7221508 |
Reflex-type screen
The reflex-type screen includes an aluminum film reflecting layer for reflecting incident light, a lower adhesive layer which is made of adhesive agent, a polarization layer for transmitting the...
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7210788 |
Color prism and projection-type image display apparatus employing the same
A color prism capable of separating incident light into four color beams and synthesizing incident four-color beams, and a projection-type image display apparatus employing the color prism. The...
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7192147 |
Lighting system and projector
The invention provides a compact, thin, and lightweight lighting system and projector. A lighting system included in a projector according to the present invention is provided with an LED array...
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7190519 |
Plate-like polarizing element, a polarizing conversion unit provided with the element, and a projector provided with the unit
This specification discloses a polarizing. element for dividing light into first and second polarized lights differing in polarized state from each other by a polarizing dividing surface, directing...
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7180666 |
Polarized light illumination device
The invention concerns a polarized light illumination device comprising in particular: a light source, an optical Fresnel Rhomb polarization device receiving light from the source and reflecting it...
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7172294 |
Multi-layer film cut filter and production method therefor, UV cut filter, dustproof glass, display panel and projection type display unit
A multi-layer film, wherein a ratio H/L or L/H, a balance in optical film thickness between a high-refractive-index layer H and a low-refractive-index layer L, is set within a range of 1.2–2.0 to...
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7167308 |
System for eliminating secondary images in rear projection systems
A secondary image suppression system (SISS) for minimizing secondary ghost images in a screen assembly for a rear projection system. The secondary image suppression system includes a circular...
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7158297 |
Projection screen and projection system comprising the same
A projection screen includes a polarized-light selective reflection layer having a cholesteric liquid crystalline structure, capable of selectively diffuse-reflecting a specific polarized-light...
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7154672 |
Optical film having controlled scattering/transmitting characteristics
An optical film composed by laminating a light scattering film 1 scattering and transmitting light and comprising at least two phases or more different in refractive index and a reflective...
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7147903 |
High efficiency optical devices
Optical devices such as backlight assemblies, according to the present invention include a multilayer optical film in which at least one of the layers comprises an oriented birefringent polymer....
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7141297 |
Multilayer optical bodies
Optical bodies, comprising: a plurality of first optical layers comprising a first polymer composition that comprises (i) a polyester portion having terephthalate comonomer units and ethylene...
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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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7133619 |
Polarization mode dispersion compensation module
An operation unit of a PMD compensation module includes a PBS (polarization beam splitter), a compensating part and a combiner. The PBS separates an optical input into a first polarized signal and...
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7123409 |
Projection screen and projection system comprising the same
The present invention provides a projection screen capable of sharply displaying an image by minimizing the influence of the loss of light that occurs on a polarized-light selective reflection...
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7119951 |
Polarizer for high-power deep UV radiation
A polarizing effect is achieved for light having wavelengths less than 250 nm by orienting an antireflector at an incidence angle between 65° and 75°. Despite limited choices for materials, the...
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7116479 |
Array polarization beamsplitter and combiner
A method and apparatus is described to beam split or combine light for multiple fiber optic channels in a single device. Multiple light beams may enter the device through an array of fiber ports...
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7094461 |
P-polarizer with large z-axis refractive index difference
A multilayer optical polarizing film has optical layers whose refractive indices substantially match along orthogonal in-plane x- and y-axes, and that mismatch along a z-axis by at least 0.1 and in...
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7070280 |
Method for the generation of light of a given polarization state
A method and apparatus or configuration generates light of a given polarization state (P). A polarization state-sensitive beam splitter is acted upon by light (L) at an input (E 1 ), light (L P )...
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7070714 |
Self-arrayed hole-carryable polymers used for organic photo-refractive materials and photo-refractive mixture containing them
A novel self-arrayed hole-carryable polymer having rigid backbone of high-ordered self-orienting layer structure, i.e. polyester, polyamide or biphenyl series polyester and flexible side chain,...
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7066600 |
Projection type image display apparatus
Disclosed is a compact, light, inexpensive reflection type liquid crystal projector optical unit or reflection type liquid crystal projector which provides high brightness without contrast...
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7061679 |
Light irradiating device
A light irradiating device for a photo-alignment process comprises an optical system and a first polarizer polarizing the light from the optical system. The light from the first polarizer is...
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