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Match Document Document Title
7438424 Illumination optical apparatus and projection type display apparatus  
An illumination optical apparatus and a projection type display apparatus capable of enhancing an illumination efficiency; having an ellipsoidal mirror, a light source arranged at a first focal...
7428367 Light control devices and methods of making same  
A light control device is disclosed that includes a two film construction, each film having a plurality of light reflecting regions. For example, the light absorbing elements can be a series of...
7423818 Method of suppressing distortion of a working laser beam of a laser link processing system  
A method of suppressing distortion of a working laser beam directed for incidence on a target specimen presented for processing by a laser link processing system uses a spatial filter to remove...
7411742 Focusing lens for LED  
A focusing lens for an LED is provided. The focusing lens for an LED, which concentrates light emitted from the LED so as to have directionality parallel to an optic axis, comprises: a transparent...
7411735 Illumination system incorporating collimated light source  
An optical system and a projection system incorporating same are disclosed. The optical system includes a light source that is capable of emitting light. The emitted light includes one or more...
7399088 Pupil mismatch in a collimated display system  
An image projection system has a first lens with a defined entrance pupil. An image source has an image field and a defined exit pupil. The exit pupil of the image source is configured such that...
7369320 Projection system with beam homogenizer  
A projection system having a prescribed relationship between the condenser and the projection lens is disclosed, where an imager gate normally coinciding with a projection object plane is between...
7355798 Optical system for collimating elliptical light beam and optical device using the same  
An optical system ( 20 ) for efficiently collimating an elliptical light beam includes a light source ( 21 ), a collimator ( 22 ), and at least one prism ( 23,24 ). The light source is adapted for...
7352791 Optical systems including wavefront correcting optical surfaces  
The present invention relates to optical systems, beam expanding assemblies, line narrowing modules, and lasers having refractive optical elements with wavefront correcting optical surfaces. The...
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...
7349160 Multi-layered collimator  
A collimator for use in an optical device, such as a display device, includes a multi-layered sheet of at least five alternating light transmitting and light impervious layers. A collimation angle...
7345824 Light collimating device  
A collimating device and a transflector for use in a system having a backlight is disclosed herein. In one embodiment of the application, the collimating device and the transflector each include an...
7336433 Focusable laser collimator  
A laser collimator includes an optical lens having an optical axis; a sliding lens holder for housing the lens having a longitudinal opening parallel to the optical axis; a stationary lens holder...
7324271 Laser-scanning microscope with collimator and/or pinhole optics  
Laser-scanning microscope with at least one detection radiation input, in which an aperture plate is installed in front of the detector, whereby optics with variable transmission lengths and a...
7315017 Optical device producing two beams capable of reaching a common sensor  
The optical device comprises a first and a second optical sources respectively emitting a first incident beam and a second light beam of different wavelength. Reflecting means, which may be a...
7310186 Uniform multiple light source etendue  
A method and apparatus emits light from multiple light sources and combines the etendue of the light sources such that the etendue is substantially uniformly distributed over an area.
7286296 Optical manifold for light-emitting diodes  
An optical manifold for efficiently combining a plurality of LED outputs into a single, substantially homogeneous output, in a small, cost-effective package. The optical manifolds can be used to...
7280277 Light collimating and diffusing film and system for making the film  
A light collimating and diffusing film and a method for making the film are provided. The film includes a plastic layer having a first side and a second side opposite the first side and at least a...
7277229 Linear light beam generating optical system  
An optical system includes semiconductor lasers arranged in the direction of the slow axis of the laser beam, an optical means which makes parallel the collimated laser beams, an optical member...
7271962 Two-dimensional image formation apparatus  
A two-dimensional image formation apparatus according to the present invention is provided with laser sources ( 1 a )˜( 1 c ), diffusers ( 6 a )˜( 6 c ) for diffusing light, illumination optical...
7251079 Brightness enhancement film, and methods of making and using the same  
In one embodiment, a brightness enhancement film comprises: a diffusing film comprising a front surface and a back surface, a coating on the front surface, and light redirecting structures disposed...
7248413 Microlensing particles and applications  
A microscopic lens, of size approximately 1 micron is used for its optical characteristics.
7248411 Optical film with array of microstructures and the light source apparatus utilizing the same  
The present invention discloses an optical film with array of microstructures, having a first optical surface and a second optical surface for receiving an incident light. The optical film...
7245437 Collimator lens for optical pickup  
A collimator lens located in a light path from a laser light source to an optical information recording medium. The collimator lens is constituted by a cemented lens which is composed of a biconvex...
7245435 Lens array sheet and molding method  
To provide a lens array sheet capable of efficiently condensing diffuse light such as the light from a LED light source or EL light source. The lens array sheet comprises a transparent base...
7245411 Collimating lens with temperature compensation and an optical scanning apparatus using the same  
A temperature-compensated collimating lens provided of a single piece of lens, which does not have variation in its focal distance due to temperature changes, and an optical scanning apparatus...
7242527 Optical system using total internal reflection images  
An optical system for a head mounted display includes a light pipe having two parallel surfaces along which modes can travel by total internal reflection. An illumination element allows selection...
7223315 Method and apparatus for heating plastics by means of laser beams  
Method and apparatus for heating plastic by laser beams with the aid of a number of laser points on the focal plane, the laser points being produced by an optical arrangement with the aid of a...
7215476 Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatus  
Laser beams respectively emitted from a SHG blue laser unit and a red semiconductor laser unit that have photo detectors respectively are turned into parallel lights by a collimator lens and then...
7202952 Fabrication and alignment device  
A system for actively aligning an optoelectronic device including a frame, a mounting and alignment assembly, and a camera. The mounting and alignment assembly can be movably connected to the frame...
7194170 Elastic microchannel collimating arrays and method of fabrication  
A microchannel collimating array may be fabricated by casting an elastic sheet onto a substrate containing a plurality of pedestals. The elastic sheet may be cured, and then pulled away from the...
7161725 Frequency locker  
A method and assembly for frequency stabilization of an optical signal especially from a laser, the assembly ( 11 ) comprising beam splitter ( 15 ), a passive frequency discriminator ( 16 ), and a...
7145129 Method for optimizing performance of optical encoders operating in a fluid  
An unsealed optical encoder does not function properly in a fluid other than air because the optics do not function when interfaced with a medium having an index of refraction significantly higher...
7133208 Collimating lens with temperature compensation and an optical scanning apparatus using the same  
A temperature-compensated collimating lens provided of a single piece of lens, which does not have variation in its focal distance due to temperature changes, and an optical scanning apparatus...
7123419 Collimating and optical elements with reduced mass  
A lens for substantially collimating light in one axis and spreading light in an axis substantially perpendicular to the collimation axis including a lens an entry face which is positive and...
7114232 Collimator and spectrophotometer  
A collimator obtained by the alternate stacking of metal sheets 1 (40 μm thick) having holes 4 with a width of 2200 μm in the center thereof, and metal sheets 2 (10 μm thick) devoid of...
7102825 Collimator optical system and optical information storage device  
The present invention is intended, as an object thereof, to improve stability against both temperature changes and light source output changes, and includes an achromatic lens having a composite...
7092163 Light collimating and diffusing film and system for making the film  
A light collimating and diffusing film and a method for making the film are provided. The film includes a plastic layer having a first side and a second side opposite the first side and at least a...
7055995 Apparatus and method of guiding and shaping light from light source  
An apparatus and method for controlling light from a non-rectangular light source. The apparatus and method relate to using a light guide of a single piece of light-transmissive material having a...
7055967 Illumination systems employing corrective optics for use in reduced étendue color video projection systems  
An illumination system is provided with at least a first arc lamp positioned on the first axis of a first reflecting device. An aspherical corrector plate is positioned to receive the light rays...
7038860 Preform for an optical lens, an optical lens, and a method of manufacturing an optical lens  
The method of manufacturing an optical lens in accordance with the present invention includes a drawing optical lens preform preparing step of preparing a drawing optical lens preform comprising a...
7035014 Device for collimating light emanating from a laser light source and beam transformer for said arrangement  
A device for collimating light emanating from a laser light source, including a laser light source with a plurality of substantially linear emission sources arranged next to each other in at least...
7027228 Arrangement and apparatus for optical beam transformation  
An arrangement for optical beam transformation, having at least one light source which can emit at least one light beam, with the at least one light beam having a greater divergence in a first...
7016380 Multi-beam laser scanning unit  
A multi-beam laser scanning unit including a plurality of laser diodes arranged in the vertical direction, and a plurality of collimating lens units having collimating lenses, which are arranged in...
7002758 Collimator optical system and optical information storage device  
The present invention is intended, as an object thereof, to improve stability against both temperature changes and light source output changes, and includes an achromatic lens having a composite...
6995912 Condensing lens, optically-multiplexed-laser-light source, and exposure system  
A condensing lens is integrally formed with collimator-lens portions which respectively collimate light beams and a condensing lens portion which makes the collimated light beams converge at a...
6990271 Multi-bandwidth collimator  
A collimator for use at multiple wavelengths includes an optical fiber and a gradient index lens positioned at a constant distance with respect to an end of the optical fiber. The gradient index...
6972845 Collimator and spectrophotometer  
A collimator obtained by the alternate stacking of metal sheets 1 (40 μm thick) having holes 4 with a width of 2200 μm in the center thereof, and metal sheets 2 (10 μm thick) devoid of...
6970296 Signaling device for traffic signals  
A signaling device includes a light source and a Fresnel optical system. Constructed in the form of ellipses on its rear side, the Fresnel optical system has defocusing lenses that form elongated...
6947220 Devices for information processing in optical communications  
Devices and methods for information processing in optical communications are provided. In its simplest embodiments, collimated light ( 1 ) passes through a non-grating diffractive structure ( 2 )...
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