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7604362 |
Backlight apparatus, liquid crystal display
The present invention relates to a backlight apparatus and a liquid crystal display apparatus, capable of realizing a backlight apparatus having high color reproductivity without color...
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7580604 |
Zero index material omnireflectors and waveguides
We have shown that a single layer of a 3D Zero Index Material (ZIM) has omnidirectional reflection properties. In the range between the electric plasma frequency and the magnetic plasma frequency,...
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7576313 |
Light source device and image display device
A light source device includes at least two light emitting parts which emit light; and a polarization separating part which transmits polarized light in a first vibrating direction of the lights...
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7567382 |
Optical filter
An optical filter such that at least one optically anisotropic crystal plate and at least one substrate are stuck together in a state in which a principal face of the optically anisotropic crystal...
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7551280 |
Method for manufacturing optical element, method for manufacturing projector, optical element and projector
A method for manufacturing an optical element in which a display quality of a projection image is improved is provided. The method is for manufacturing an optical element having a polarization...
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7499126 |
Polarizing film and display device having the same
A polarizing film includes a first and second protecting layer and a polarizing layer therebetween. The polarizing layer is formed on the first protecting layer. The second protecting layer is...
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7495720 |
Polarizing plate and liquid crystal display device
A polarizing plate comprises a polarizing element; and a hydrophilic polymer film adhered on the polarizing element and having an in-plane orientation. The transmittance of the polarizing plate as...
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7489713 |
Tunable fiber laser light source
An optical fiber loop has a gain medium having a gain at an oscillation wavelength and optical circulators 13 and 14 . Collimate lenses 22 and 24 enlarge light bean taken from the optical...
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7483642 |
Receiver for OTDM/PDM optical signals
A receiver for an OTDM/PDM pulse train ( 10 ) in which the pulses ( 12 ) have alternating polarizations (P 1, P 2 ) has a polarization insensitive optical switch ( 16; 161, 162, 163, 164 ) for...
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7466878 |
Integrated polarization controllers with nano-electromechanical dielectric pertubation
A polarization controller includes a phase retarder having a rotation about an {1,0,0} axis that receives an optical signal from a waveguide structure. At least one nanoelectromechanical dielectric...
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7463417 |
Optical articles from curable compositions
A curable composition is provided which includes an oligomer having a plurality of pendent and/or terminal ethylenically unsaturated, free-radically polymerizable functional groups, a...
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7457032 |
Arrangement, system, and method for accurate power measurements using an optical performance monitor (OPM)
An arrangement has a WDT (Wavelength-Dependent Tap) coupled in an OCS (Optical Communication System) and an OPM (Optical Performance Monitoring) function coupled to the WDT. The WDT is adapted to...
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7450305 |
Polarizing plate and liquid crystal display device using the same
A polarizing plate including a polarizing layer having a thickness of about 20 nm to about 1500 nm formed by rubbing at least one surface of a substrate, coating the rubbed surface of the substrate...
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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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7407686 |
Optical film, polarizing plate and display device utilising the film, and production method of optical film
An optical film is disclosed having minimal curl, minimal coating unevenness and no cracks. The optical film is obtained by casting a dope comprising a cellulose ester and a non-chlorinated solvent...
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7385669 |
Twisted nematic micropolarizer and its method of manufacturing
The invention is a method for creating a micropolarizer, including providing a first plate having a first and a second surface, providing a second plate having a first and a second surface. Then...
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7355679 |
Lithography arrangement and procedure that produces a lithography
A lithography arrangement and lithographic method is described which permits exposure of a substrate with radiation simultaneously with good intensity and contrast. A means for generating...
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7335874 |
Method and apparatus for generating a circularly polarized illumination beam
A method and apparatus for illuminating a subject with deep UV light and detecting 2-dimensional image information, e.g., a transmission image, fluorescence image, reflected light image, etc. The...
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7331682 |
Back light module with birefringent crystal assemblies
A back light module ( 100 ) includes a light guide plate ( 130 ), a number of light sources ( 110 ) at one side of the light guide plate, and a number of birefringent crystal assemblies ( 120 )...
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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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7289688 |
Passive method and apparatus for inducing mode conversion
A waveguide for use in polarization mode converters and polarization modulators using extrinsic strain to prerotate the principal axes and control birefringence is disclosed herein. The invention...
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7274427 |
Method of producing optical element by patterning liquid crystal films
A radiation-curing liquid crystal having cholesteric regularity is applied to a glass substrate 11 provided with an alignment layer 12 to form a first cholesteric liquid crystal film 13 in...
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7251382 |
Functional tunable multichannel filter
Disclosed herein is a functional tunable multichannel filter which is capable of adjusting channel spacing and/or a wavelength location using polarization controllers (λ/2, (λ/4). The functional...
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7242517 |
Optical devices comprising series of birefringent waveplates
Bidirectional isolating devices including non-reciprocal rotators (i.e. Faraday rotators) and wavelength selective reciprocal polarization rotators are disclosed. Each wavelength selective rotator...
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7236655 |
Polarization element and optical device using polarization element
A high performance polarization splitting element and an optical device using the polarization splitting element are provided. According to an embodiment of the present invention, the optical...
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7227684 |
Method and system for providing beam polarization
A radiation polarizer, controller, and a method of radiation polarization and beam control, are disclosed. The radiation polarizer includes a substrate, at least one anti-reflection coating layer...
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7221448 |
Test cell for a noble gas polarizer
The invention relates to a sample cell with a glass body comprising a gas inlet and a gas outlet and at least one orifice, a plane glass window is fused into the orifice, the shape and size of the...
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7213920 |
Image display apparatus
According to the present invention, there is provided an image display device including a non-luminous reflection type spatial light modulating element, illuminating system to illuminate the...
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7206465 |
All-fiber linear design depolarizer for all-states of polarization
An all-fiber, all-states of polarization linear design depolarizer is provided. It is made of two polarization combiners (PC 1 ,PC 2 ) with a 2×2 directional coupler (DC) between them. The...
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7174060 |
Ultra-thin polarization mode converters based on liquid crystal materials
A method and apparatus that includes a first waveguide segment that differentially changes the amplitude of the light relative to a first polarization orientation, a thickness of oriented liquid...
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7157687 |
Optical devices with folded optical path designs
Optical devices with folded optical paths to reduce size of optical devices and optical elements in the optical devices. The folded optical paths operate by manipulating optical polarization of...
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7155073 |
Polarization element and optical device using polarization element
A high performance polarization splitting element and an optical device using the polarization splitting element are provided. According to an embodiment of the present invention, the optical...
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7148942 |
Protective film for polarizing plate
A protective film for polarizing plate is disclosed in which an contact angle of the surface in contact with a polarizer with respect to pure water is less than 55° and the surface in contact with...
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7145719 |
Optical cores and projection systems containing the optical core
LCD projection systems that use reflective LCD imager units commonly use one or more polarization beamsplitters to separate the light incident on the imager from the light reflected by one or more...
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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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7126754 |
Polarization plate with optical compensation layer and image display device
A polarizing plate with an optical compensation layer is provided, which has an excellent peelability and is easy to reattach after mounted on an image display apparatus. A pressure-sensitive...
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7116848 |
Optical spectrum analyzer using a diffraction grating and multi-pass optics
A polarization independent optical spectrum analyzer comprises a diffraction grating, input and output slit means and polarization-maintaining multi-pass optics for directing a light beam to and...
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7099526 |
Optical switch
An optical switch, which makes an optical path length or optical characteristics equal among polarized lights passing through different paths, eliminates the need for the optical path and the...
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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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7090964 |
Lithographic printing with polarized light
The present invention provides systems and methods for improved lithographic printing with polarized light. In embodiments of the present invention, polarized light (radially or tangentially...
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7085440 |
Semiconductor laser module and optical amplifier
A semiconductor laser module includes a polarization direction transforming part which transforms polarization directions of first and second laser beams such that they are orthogonal to each other...
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7070715 |
Disazo compound or salt thereof and polarizing film using the same
The present invention provides a disazo compound of the formula (I) or a salt thereof
wherein A represents 4-sulfophenyl or 6,8-disulfo-2-naphtyl, one of R 1 and R 2 represents hydrogen or...
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7058242 |
Polarization-independent optical networks in 3D photonic crystals
A photonic crystal includes a plurality of photonic crystal slabs that is suited for confining TE polarizations and TM polarizations. The photonic crystal slabs include alternating slabs of...
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7054049 |
Optical film, laminated polarizing plate, liquid crystal display using the same, and self-light-emitting display using the same
The present invention provides a transparent optical film that has excellent optical characteristics for realizing the uniform retardation distribution and restraining rainbow-colored...
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7050233 |
Precision phase retardation devices and method of making same
A birefringent device of substantially uniform thickness less than about 10 microns, and being suitable for operating in a wavelength range about a central wavelength is disclosed. The device...
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7050232 |
Optical circulator and optical switch
A first separating/combining birefringent element 10 , first and second optical-path controlling birefringent elements 11, 12 , and a second separating/combining birefringent element 13 are...
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7031077 |
Optical reduction method with elimination of reticle diffraction induced bias
An optical reduction system for use in the photolithographic manufacture of semiconductor devices having one or more quarter-wave plates operating near the long conjugate end. A quarter-wave plate...
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7019130 |
Cellulose acetate film having controlled retardation and thickness
A cellulose acetate film is made of a cellulose acetate having an acetic acid content of 59.0 to 61.5%. The film is controlled to have a Re retardation value in the range of 0 to 20 nm, a Rth...
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7010180 |
System and method for multi-channel mitigation of PMD/PDL/PDG
A system and method for multi-channel PMD/PDL/PDG mitigation, the system including polarization scramblers adapted to vary the state of polarization of an optical signal propagated through the...
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6999172 |
Optical apparatus
An optical apparatus that measures a polarization dependent characteristic of a measured object includes a light source for emitting non-linearly polarized light in an extreme ultraviolet region or...
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