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| Number | Title | Issue Date |
| 8000007 | 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 Brewster's angle (relative to the plane of polarization of the incident... | 08/16/2011 |
| 7957082 | Turning film having multiple slopes The present invention provides a light redirecting article for redirecting light toward a target angle, the light redirecting article comprising: an input surface comprising a plurality of light redirecting structures each light redirecting structure having a near s... | 06/07/2011 |
| 7859776 | Prism, imaging device and lighting device including the same, and prism manufacturing method A prism 30 includes a prism body 30. The prism body 31 is formed into a polygonal column. At least one of a plurality of ridges 35, 36 of the prism body 31 is formed into an R-plane. ... | 12/28/2010 |
| RE41193 | Method for fabricating a prism and method for fabricating an optical system A method for fabricating a prism that comprises a first and a second substrate, both translucent, bonded together with an optical thin film interposed at the interface in between and that is used with the interface inclined relative to the optical axis of incident l... | 04/06/2010 |
| 7589923 | Prism, imaging device and lighting device including the same, and prism manufacturing method A prism 30 includes a prism body 31 formed into a polygonal column. At least one ridge 35 of a plurality of ridges 35 of the prism body 31 is formed into a flat face 37. A joint part 38 between the flat face 37... | 09/15/2009 |
| 7573662 | Movement preventing structure for color separation prism A movement preventing structure for a color separation prism prevents or reduces the movement in an optical axis direction of the color separation prism caused by the thermal expansion or contraction of a color separation prism supporting member. In the movement pre... | 08/11/2009 |
| 7483225 | Taking optical system A taking optical system for forming an optical image of an object on the light-receiving surface of an image sensor has at least one optical prism that has an entrance surface, at least three reflective surfaces each curved, and an exit surface, and that receives ra... | 01/27/2009 |
| 7428051 | Device for the IR-spectrometric analysis of a solid, liquid or gaseous medium The invention relates to a device for the IR-spectrometric analysis of a solid, liquid or gaseous medium. The device includes a process probe, which has a reflection element. The device additionally includes a linear variable filter, at least one detector element, a... | 09/23/2008 |
| 7397619 | Prism sheet having concave pentagonal A prism sheet having a concave pentagonal structure is disclosed. The prism sheet comprises a base layer, and a prism array disposed on and supported by the base layer. The prism array is composed of a plurality of prisms aligned in parallel and one beside the other... | 07/08/2008 |
| 7387391 | Apparatus and method for mounting imagers on stress-sensitive polarizing beam splitters An optical device that includes an optical element, an imager, and a prism bracket. The optical element includes an optical element having first and second prisms coupled together. The imager is arranged adjacent to the first prism and configured to receive light fr... | 06/17/2008 |
| 7379674 | Optical transmission device An optical transmission device for providing stable communication with a partner device by reducing errors in optical axis misalignment. The errors are caused by uneven distribution of the light intensity in a received light beam resulting from atmospheric microscop... | 05/27/2008 |
| 7372798 | Optical element and optical pickup device An optical element has a dichroic film held between transparent materials which transmits one of first light in a wavelength range of 390 to 425 nm and second light in a wavelength range of 630 to 820 nm and reflects the other light, and a first, a second, a third a... | 05/13/2008 |
| 7372522 | Optical guide and surface light emitting apparatus using the same A light emitting apparatus that is capable of emitting light with uniform intensity and high luminance are provided. The first optical guide comprises a first principal surface that has an effective light emitting region of substantially rectangular shape surrounded... | 05/13/2008 |
| 7362388 | Liquid crystal display device, and optical block A reflection type liquid crystal projector is provided which includes liquid crystal display panels (5R, 5G and 5B) to modulate color rays of light (R, G and B) corresponding to three primary colors (red, green and blue), respectively, on the ba... | 04/22/2008 |
| 7360905 | Compact optical engine for very small personal projectors using LED illumination According to various illustrative embodiments of the present invention, a device for a light projection system includes a single light emitting diode array comprising at least one green die, at least one blue die, and at least one red die, a single light collection,... | 04/22/2008 |
| 7361250 | Prism, method of producing a prism, and optical head apparatus using a prism A method of producing a prism comprising a first prism component and a second prism component that are joined together along a partial reflection plane that is inclined with respect to the optical axis. The method has steps comprising measuring the refractive index ... | 04/22/2008 |
| 7354168 | Facet mirror having a number of mirror facets A facet mirror (10) is provided with a number of mirror facets (11), in which the mirror facets (11) respectively have a spherical or conical facet body (17) with a reflecting surface (12). The side of the facet body (17) av... | 04/08/2008 |
| 7350928 | Projection display system A projection display system comprises an illumination device, a prism assembly, a projection lens and a reflective light valve. The prism assembly has a first light incident surface, a first light emitting surface and a second light emitting surface. The first light... | 04/01/2008 |
| 7352512 | Compact self-compensating beam splitter apparatus and method of using In accordance with an embodiment of the present invention, an optical system includes two tilted planar elements each having two surfaces for which the sign of the slopes of at least three of the four surfaces that an incident beam encounters are the same and which,... | 04/01/2008 |
| 7349202 | Data processing device A data processing device is described, having on its front a large display device, in which the tilt angle of the display device is adjustable whether the main unit of the data processing device is positioned either vertically or horizontally. A display device mount... | 03/25/2008 |
| 7339669 | Device for the analysis of the qualitative composition of gases A device for the analysis of the qualitative, optionally also the quantitative composition of gases, uses measuring light of known spectral composition that can pass through the gas to be analyzed and the gas can be caused to interact. A detector arrangement is pres... | 03/04/2008 |
| 7331680 | Illumination unit and projection type image display apparatus employing the same An illumination unit with an improved color synthesis prism, which can synthesize light beams emitted from compact light sources, and a projection type image display apparatus employing the illumination unit. The illumination unit includes first, second, and third l... | 02/19/2008 |
| 7329007 | Projector A projector includes an illumination device, a color separation system, a light combining system, a projection system, and an optical adjustment portion. The color separation system separates the light emitted from the illumination device into blue light, red light,... | 02/12/2008 |
| 7319565 | Silicone rubber surfaces for biometric print TIR prisms Molded silicone rubber sheets with optical quality surfaces and methods for making the same. The silicone rubber sheets are made by molding liquid silicone rubber in a mold. In embodiments, the mold forms parallel optical quality flat surfaces. In one embodiment, a ... | 01/15/2008 |
| 7309149 | Prism sheet, backlight assembly and liquid crystal display device having the same A prism sheet, a backlight assembly having the prism sheet, and an LCD device having the prism sheet, the prism sheet includes a first surface, a second surface and a reflecting member. A light is incident upon the first surface. The second surface includes a prism ... | 12/18/2007 |
| 7303286 | Projection display device In a projection display device that is provided with a relay lens for converting flux that is emitted from a light source to a parallel flux for illuminating an image display element (DMD), and a total internal reflection prism for both directing flux that is emitte... | 12/04/2007 |
| 7300162 | Projection display In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi... | 11/27/2007 |
| 7300168 | System for creating spectral displays A highly adaptable system for creating colorful spectral displays or for achieving a prismatic effect using visible light. The invention includes a fixed-angle or monolithic prismatic element fabricated from plate glass mirror material. A compound version of this mo... | 11/27/2007 |
| 7298558 | Electronic adjustable color filter device An electronically adjustable, combinational color filter device is provided for generating color light. Incoming light is split in a polarizing beam splitter/combiner into a first and a second element of light. One or more wave plates operate to modify the polarizat... | 11/20/2007 |
| 7283235 | Optical device and inspection module Optical device for representing a central image (10) of an object (1) and at least one lateral image (11, 12, 13, 14) of the same object (1), with the length of the real optical path of said central image (10) being different from ... | 10/16/2007 |
| 7254283 | Image processor processing image data in parallel with a plurality of processors In order to efficiently process image data in a circuit dividing single image data into a plurality of data and processing the data with a plurality of MPUs in parallel with each other, the MPUs process image data input through an input image data in parallel with e... | 08/07/2007 |
| 7252393 | Triangular prism dual lamp coupler A dual lamp coupling system is provided using a single equilateral 60 degree triangle prism in front of the integrator rod to homogenize the focused light from two lamps, with increased projection brightness. According to one embodiment, the equilateral 60 degree tr... | 08/07/2007 |
| 7248423 | Outside mirror system A transparent member has a light incident surface formed in such a manner as to be oriented downwards, a light emitting surface formed in such a manner as to be oriented towards a driver M and a reflecting mirror surface having a reflecting member integrally attache... | 07/24/2007 |
| 7227706 | Image-taking lens apparatus An image-taking lens apparatus has an image sensor for converting an optical image of a subject into an electrical signal and an image-taking lens system for forming the optical image on the image sensor. The image-taking lens system includes a prism for bending the... | 06/05/2007 |
| 7221522 | Optical system for variable direction of view instrument A optical system for a viewing instrument with a variable direction of view is disclosed generally comprising shaft, first and second reflectors located at the distal end of the shaft, where the first reflector rotates about an axis angularly offset from the longitu... | 05/22/2007 |
| 7215455 | Inner drum exposure apparatus The inner drum exposure apparatus records an image by scanning a recording material held on an arcuate inner peripheral surface of a support with a light beam that is emitted from a light source and modulated in accordance with image information and deflected by a t... | 05/08/2007 |
| 7208719 | Compact integrated optical imaging assembly An assembly for an image capture device comprises an imaging lens, an optical spacer comprising at least one reflective surface and physically integrated with the imaging lens, and a photo-sensing system physically integrated with the optical spacer. ... | 04/24/2007 |
| 7198384 | Light emitting device A fluorescent structure is provided on a curved recess plane of a reflector. The fluorescent structure has a shape of a cylinder which is cut by a plane including its central axis and along its longitudinal direction. An inner wall of the fluorescent structure taper... | 04/03/2007 |
| 7200335 | Optical transceiver An optical transceiver is equipped with at least one coupling lens which condenses reception signal light from an optical medium and condenses transmission signal light to the optical medium, an optical plate which passes the reception signal light and reflects the ... | 04/03/2007 |
| 7178920 | Projection display device In a projection display device that is provided with a relay lens for converting flux that is emitted from a light source to a parallel flux for illuminating an image display element (DMD), and a total internal reflection prism for both directing flux that is emitte... | 02/20/2007 |
