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| Application No. | Application Title | Issue Date |
| 20100309551 | OPTICAL FILMS An optical film structure for backlit displays having two films, both in prisms up configuration. The first film, closer to the light guide, has an array of generally symmetric 90-degree prisms facing the viewer. The second film, farther from the light guide, has an arr... | 12/09/2010 |
| 20100188608 | LIGHT-TRANSMITTING FILM, METHOD OF FORMING LIGHT-TRANSMITTING FILM, AND LIQUID CRYSTAL DISPLAY A light-transmitting film that has a predetermined polarization split function, in addition to a light-collecting function is provided. The index of refraction nx in a prism extension direction and the index of refraction in a prism alignment direction differ from each ... | 07/29/2010 |
| 20090237788 | OPTICAL APPARATUS AND PROJECTOR An optical apparatus includes an optical element disposed on an optical path along which the light flux emitted from a light source travels, and a polarizing element disposed on the light flux emitting-side of the optical element. The polarizing element includes a first... | 09/24/2009 |
| 20090153963 | Light Source Switching Device Adapted for a Projection System A light source switching device for use in a projection system is provided. The light source switching device comprises at least two light guiding devices and at least one phase switching device. The phase switching device is disposed between the two light guiding devic... | 06/18/2009 |
| 20080285129 | COLOR LIGHT COMBINING SYSTEM FOR OPTICAL PROJECTOR A color light combining system comprises a polarizing beam splitter that includes a reflective polarizer film, a first prism face that receives a first unpolarized color light, a second prism face that receives a second unpolarized color light, and a third prism face th... | 11/20/2008 |
| 20080278813 | Ultraviolet Polarization Beam Splitter with Minimum Apodization A beamsplitter includes a first fluoride prism and a second fluoride prism. A coating interface is between the first and second fluoride prisms, wherein an overall R(s)*T(p) function of the beamsplitter varies no more than ±2.74% in the range of 40-50 degrees of incide... | 11/13/2008 |
| 20080151245 | METHOD AND A DEVICE FOR PROCESSING BIREFRINGENT AND/OR OPTICALLY ACTIVE MATERIALS AND PHASE PLATE A method and a device for processing birefringent and/or optically active materials, wherein a light source (3) for polarized light and an analyzer assembly (8) and a light sensor (9) connected therewith are provided, so that between said components... | 06/26/2008 |
| 20080049322 | Polarizing Monochromator A polarizing monochromator comprising a uniaxial birefringent crystal prism, the prism has the geometry of a triangular block having a triangular base, a face including a side of the hypotenuse is an input-output face, where light enters and exits, and a face including ... | 02/28/2008 |
| 20080018991 | Glan-Thompson Type Broadband Polarizer Device for Use in the Deep Ultraviolet Spectral Range and Method of Its Manufacture A broadband polarizer device of a Glan-Thompson type is described, as well as a method of manufacturing such device. Such parameters as a material of the polarizer prisms, the prisms' configuration and a glue material, are selected so as to ensure total internal reflect... | 01/24/2008 |
| 20070253059 | Deviation angle self compensating substantially achromatic retarder A substantially achromatic multiple element compensator system for use in wide spectral range (for example, 190-1700 nm) rotating compensator spectroscopic ellipsometer and/or polarimeter systems. Multiple total internal reflections enter retardance into an entered beam... | 11/01/2007 |
| 20060215263 | Wire grid polarizers with optical features The invention relates to an optical element comprising a substrate, a wire grid on one side of said substrate, and prismatic light collimating features on the other side of said substrate ... | 09/28/2006 |
| 20060061864 | Increased yield of cubic crystalline optical elements by crystal orientation Increased yield of optical elements from cubic crystal rods, such as made of calcium fluoride, is made possible by orienting the optical elements for supporting the propagation of light along one of the <1 1 {overscore (2)}>, <1 2 1>, or <{overscore (2)} 1 1> alternativ... | 03/23/2006 |
| 20060023308 | Infrared polarization rotation element A polarization rotation element is provided. In one embodiment, the polarization rotation element includes a first polarizing member having a first surface and a second surface, the first surface configured to internally reflect input light to the second surface, the se... | 02/02/2006 |
| 20050190446 | Catadioptric reduction objective A catadioptric projection objective for projecting a pattern, which is located in the object plane of the projection objective, into the image plane of the projection objective has, between the object plane and the image plane, a catadioptric objective part provided wit... | 09/01/2005 |
| 20050157388 | Polarization recovery system for projection displays A polarization recovery system polarizes input light for use with an LCD imager. The polarization recovery system converts light of the wrong polarity to the correct polarity to add to the illumination of the LCD imager. The polarization recovery system may include: (1)... | 07/21/2005 |
| 20050036203 | Folding converging light into a lightpipe The present invention relates to a folded front end unit used in a light engine of a projection display device. The front end unit comprises a light source for generating a beam of light, and a lightpipe for providing spatial uniformity to the beam of light. Polarizatio... | 02/17/2005 |
