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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...
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....
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...
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...
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...
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...
7327916 Beam Homogenizer, laser irradiation apparatus, and method of manufacturing a semiconductor device  
The present invention provides a beam homogenizer being equipped with an optical waveguide having a pair of reflection planes provided oppositely, having one end surface into which the laser beam...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
7206130 Projection screen and projection system comprising the same  
A projection screen for displaying an image by reflecting imaging light projected from a projector, including a substrate and a projected-image-receiving layer formed on the substrate. The...
7193777 Projection screen and projection system comprising the same  
A projection screen including a polarized-light selective reflection layer having a cholesteric liquid crystalline structure that causes selective diffuse-reflection of a specific polarized-light...
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...
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...
7186983 Illumination system particularly for microlithography  
There is provided a projection objective for a projection exposure apparatus that has a primary light source for emitting electromagnetic radiation having a chief ray with a wavelength ≦193 nm....
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...
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...
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...
7161737 Projection screen and projection system comprising the same  
A projection screen including a polarized-light selective reflection layer having a cholesteric liquid crystalline structure that causes selective diffuse-reflection of a specific polarize-light...
7158299 Projection screen and projection system comprising the same  
A projection screen includes a cholesteric liquid crystalline, polarized-light selective reflection layer for selectively diffuse-reflecting a specific polarized-light component. The layer has, on...
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...
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...
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....
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...
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...
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...
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...
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...
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...
RE39243 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...
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...
7083847 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...
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,...
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 )...
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...
7064897 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...
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...
7057815 Optical glass for polarizing optical system, production process therefor and polarizing beam splitter  
An optical glass for polarizing optical system having a photoelastic constant C in the range of −0.2 to +0.5 [10 −8 cm 2 /N] with respect to a wavelength of 633 nm, the optical glass having...
7057813 Projection screen and projection system comprising the same  
The present invention provides a projection screen capable of sharply displaying an image even under bright environmental light, of improving brightness distribution and viewing angle, and of...
7038852 Polarization conversion optical system and polarization conversion element  
A polarization conversion optical system converts light having a nonuniform plane of polarization into light having a uniform plane of polarization. The system includes a multilayer dielectric film...
7038745 Brightness enhancing reflective polarizer  
A multiple layer reflective polarizer 12 is described. This element is placed between and optical cavity 24 and an LCD module 16 to form an optical display. The reflective polarizer reflects...
7035006 Screen for image display apparatus, method for manufacturing screen for image display apparatus, and image display apparatus  
A screen for image display apparatus according to the present invention has a base member, a light absorption layer formed on the base member and adapted for absorbing light of a visible light...
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