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| Number | Title | Issue Date |
| 7903333 | Polarization-modulating optical element and method for manufacturing thereof The disclosure relates to a method of manufacturing a polarization-modulating optical element, wherein the element causes, for light passing through the element and due to stress-induced birefringence, a distribution of retardation between orthogonal states of polar... | 03/08/2011 |
| 7855834 | Multilayered phase difference plate and projector There is provided a multilayered phase difference plate that serves as a half-wavelength phase difference plate in the range of 400 nm to 700 nm by bonding together a first phase difference plate and a second phase difference plate in a manner that their respective ... | 12/21/2010 |
| 7852559 | Diffusely-reflecting polarizer having nearly isotropic continuous phase The present invention provides a diffusely-reflecting polarizer comprising: a first polymer which is amorphous and having a birefringence of less than about 0.02 and a second polymer, the first polymer being a continuous phase, and... | 12/14/2010 |
| 7839569 | Polarizing plate and liquid crystal display A polarizing plate comprising a polarizer comprising polyvinyl alcohol and a protective film on at least one side of the polarizer, the polarizer having a difference of 5.0% or smaller between maximum and minimum of an in-plane phase difference Rpva thereof in any a... | 11/23/2010 |
| 7782532 | Optical isolator device An optical isolator includes a birefringent material and a Faraday rotator. The birefringent material receives a forward light propagating in a forward direction and a backward light propagating opposite to the forward direction. The birefringent material has an opt... | 08/24/2010 |
| 7583440 | Diffusely-reflecting polarizer having nearly isotropic continuous phase The present invention provides a diffusely-reflecting polarizer having a first polymer which is amorphous and having a birefringence of less than about 0.02 and a second polymer, the first polymer being a continuous phase, and the ... | 09/01/2009 |
| 7576913 | Method for producing polarizing plate, polarizing plate, optical film, and image display A method for producing a polarizing plate of the invention comprises bonding a transparent protective film (A) and another transparent protective film (B) to one side of a polarizer and to another side of the polarizer, respectively, with an adhesive, wherein the po... | 08/18/2009 |
| 7522340 | Highly efficient 2D/3D switchable display apparatus An image display apparatus includes a backlight unit where a reflection panel is installed at a bottom thereof, a polarization panel which transmits only light of a particular polarization direction of light emitted from the backlight unit, a polarization switch whi... | 04/21/2009 |
| 7505204 | Crystallization apparatus, crystallization method, and phase shifter A crystallization apparatus includes an illumination system which applies illumination light for crystallization to a non-single-crystal semiconductor film, and a phase shifter which includes first and second regions disposed to form a straight boundary and transmit... | 03/17/2009 |
| 7492516 | 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 reflective polarizers, the combination of the layers being designed so ... | 02/17/2009 |
| 7492517 | Form birefringent grating structure, viewer, anticounterfeit security device, and method for making the same The invention relates to an anticounterfeiting device comprising a form birefringent surface relief structure bearing a colored three-dimensional polarization image. The structure may be composed of pixels whose surface relief microstructure and composition determin... | 02/17/2009 |
| 7486442 | Polarizer protective film, polarizing plate, and visual display A protective film for a polarizer. An exemplary polarizer protective film includes a transparent resin with nanoscale particles dispersed therein, having an average diameter not exceeding 50 nanometers. ... | 02/03/2009 |
| 7466485 | Switchable display apparatus A display apparatus comprises: an emissive spatial light modulator comprising an array of pixels each arranged to output randomly polarized light; a birefringent lens positioned to receive light from the spatial light modulator arranged in a first mode of operation ... | 12/16/2008 |
| 7430078 | Multiple imaging arrangements for head mounted displays A head mounted display is disclosed that utilizes a single video display screen to transport images to both eyes. Multiple reflections are created by illuminating the display screen form a plurality of directions, or by illuminating the display screen with light bea... | 09/30/2008 |
| 7425951 | Three-dimensional image display apparatus, method of distributing elemental images to the display apparatus, and method of displaying three-dimensional image on the display apparatus An apparatus is provided with a display unit and a optical filter. The unit has pixels arranged in a matrix form, which are grouped into a first group and second groups to display two-dimensional image information constituting elemental images, the image information... | 09/16/2008 |
| 7408712 | Polarization-selectively blazed, diffractive optical element A polarization-selectively blazed, diffractive optical element including multiple contiguous blaze structures extending along a given geometrical path. Each structure has a width perpendicular to direction of extension greater than the Wavelength of the electromagne... | 08/05/2008 |
| 7408711 | Polarizing plate, method for manufacturing the same, and liquid crystal display panel having the same A polarizing plate including a polarizer for polarizing incident light; first and second protection films arranged respectively on top and bottom surfaces of the polarizer; and an optical compensation film arranged on the first or second protection film, wherein the... | 08/05/2008 |
| 7403267 | System and method for providing modified illumination intensity A system and method utilize a birefringence inducer to induce or change birefringence of an optical element to change an index of refraction within the optical element to produce a polarization-retarded light beam that passes through the optical element. The optical... | 07/22/2008 |
| 7400448 | Birefringent spectral filter A birefringent spectral filter comprises a first birefringent stage and a polarizing beam splitter optically coupled to the first birefringent stage. The first birefringent stage is adapted to generate an optical path difference between light propagating along each ... | 07/15/2008 |
| 7385763 | Thick film multilayer reflector with tailored layer thickness profile A multilayer reflector useable to reflect or transmit light over the visible wavelength range includes optically thick constituent layers. The optical thickness of the constituent layers through the thickness of the reflector defines a layer thickness profile. The l... | 06/10/2008 |
| 7375888 | Optical component An optical component contains two or more hidden images for authentication and antiforgery purposes. The images are successively revealed and concealed when the optical component is held between two polarisers and one of them is rotated. The optical component compri... | 05/20/2008 |
| 7375889 | Apparatus and method for controlling polarization in an optical communications medium A method for resetting a polarization controller includes determining that the phase magnitude is associated with a first range of phase angles and generating a first control signal having a first characteristic if the phase magnitude is increasing, and generating t... | 05/20/2008 |
| 7375897 | Imaging systems In certain aspects, the disclosure relates to an imaging system, particularly an objective or an illumination device of a microlithography projection-exposure apparatus having an optical axis (OA), with at least one optical element of an optically uniaxial crystal m... | 05/20/2008 |
| 7369186 | Polarizing beam splitter featuring stacked grating layers and display including the same A polarizing beam splitter includes a polarization splitting layer which includes stacked one-dimensional grating layers. The grating layers can include alternating layers of at least one H layer having an effective refractive index nH for p-polarized lig... | 05/06/2008 |
| 7361884 | Polarization independent optical isolator and optical transmitting/receiving apparatus A polarization independent optical isolator includes: a first birefringent plate that divides the receiver light from the optical transmission path into normal light and abnormal light to output the normal light and the abnormal light; a second birefringent plate th... | 04/22/2008 |
| 7359122 | Prism assembly A prism assembly includes a first prism having a first front face, a first side face, and a first rear face, a second prism having a second front face parallel to the first rear face, a second side face, and a second rear face. The second prism is configured to dire... | 04/15/2008 |
| 7359583 | Fiber optic pair with pigtail geometry Optical devices are disclosed, one example of which includes first and second polarization maintaining (“PM”) fibers. The first and second PM fibers in this example are disposed beside each other to form a grouping that includes a secondary axis defined by the f... | 04/15/2008 |
| 7359020 | Optical devices of substantially identical crossed sheet polarizer packages with compensator having biaxial plate Disclosed is an optical device comprising a polarizer package comprising an integrated combination of an absorbing layer and a compensator. Two of the identical polarizer packages can be crossed and used in a transmissive optical device. This polarizer package can a... | 04/15/2008 |
| 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 electromagnetic radiation and for directing the electromagnetic radiation onto... | 04/08/2008 |
| 7352678 | Laminated wave plate and optical pickup using the same A conventional broadband quarter-wave plate has not completely solved the wavelength dependence and has different efficiencies of shifting the phase by 90° depending on the wavelengths, and therefore has a problem that it cannot fulfill the strict specificat... | 04/01/2008 |
| 7352124 | Light recycling illumination systems utilizing light emitting diodes This invention is an illumination system that incorporates a light emitting diode and a partially reflecting optical element. The light emitting diode emits internally generated light and reflects incident light with high reflectivity. The partially reflecting optic... | 04/01/2008 |
| 7349089 | High transmission multi-wavelength filter and method An optical arrangement and method of filtering include a beam splitter that accepts an incident beam and transmits light from the incident beam of a first polarization and reflects light from the incident beam of a second polarization. The transmitted light is a fir... | 03/25/2008 |
| 7347559 | Color video projection system employing reflective liquid crystal display devices Methods and apparatuses for use in image projecting are provided. One apparatus includes a transflective polarizing beam splitter, a plurality of reflective liquid crystal light valves, and a spectrally selective output device. The beam splitter is capable of receiv... | 03/25/2008 |
| 7349050 | Ultraviolet irradiating device and method of manufacturing liquid crystal display device using the same A UV irradiating device and a method of manufacturing an LCD device using the same are disclosed. The UV irradiating device includes a UV light source part having a UV lamp and a reflecting plate, a support supporting the UV light source part, and a stage on which a... | 03/25/2008 |
| 7349039 | Optical sheet and LCD apparatus using the same The present invention relates to an optical sheet and an LCD apparatus using the same. An LCD apparatus according to the present invention comprises an LCD panel to display a picture thereon; a lamp unit emitting light; a light guide plate to guide the light from th... | 03/25/2008 |
| 7345654 | Three-dimensional image display apparatus A three-dimensional image display apparatus includes an image display configured to output image light which arrays a plurality of pixels and has polarization, a lens array arranged in front of the image display, configured to function as lens at light which has a 1... | 03/18/2008 |
| 7342254 | Light-emitting device having a diffractive film on its light-output face and manufacturing method therefor Affords efficiently and at low cost practical, tiny light-emitting devices having an optically diffractive film on their light-output face. A light-emitting device (LD) includes a diffractive film (DF) formed on its light-output face; the diffractive film includes a... | 03/11/2008 |
| 7343057 | Integratable optical isolator in a Mach-Zehnder interferometer configuration A method of operating an optical isolator having first and second optical splitter-combiners disposed within a semiconductor die. The optical splitter-combiners are coupled together into an interferometer configuration by first and second waveguide sections also dis... | 03/11/2008 |
| 7339735 | Polarization recovery system for projection displays A waveguide polarization recovery system both polarizes the input light energy for use with an LCD imager and converts the polarity of unusable light energy to add to the illumination of the LCD imager. The compact polarization recovery waveguide system generally in... | 03/04/2008 |
| 7327424 | Nematic liquid crystal display device with multi-domain pixels and six phase difference compensators Featured is a liquid crystal display device including first and second transparent substrates and a liquid crystal layer interposed there between that includes a plurality of domains in each pixel region. Also included are first and second polarizing plates and firs... | 02/05/2008 |
