Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 301 - 350 out of 2,822

Document Document Title
WO/2001/069300A2
A highly efficient optical device comprises two opposing active non-spherical optical surfaces defined by a two-dimensional representation that is symmetrically extended to provide a three-dimensional device. A focal area, spaced apart f...  
WO/2001/055771A2
Focusing system of the light beam for a videoprojector comprising at least an image microforming device DMD (Digital Micromirror Device); the main feature of the system consisting in that it comprises at least an aspheric lens associated...  
WO/2001/053871A2
An in-vivo tissue inspection device provides for increased signal levels and the ability to discriminate between normal and abnormal tissues through the use of an exogenous fluorescent or fluorogenic reagent. The device reduces the costs...  
WO/2001/040706A1
The invention relates to a luminaire (1) suitable for accommodating a light source (2) which is situated substantially in a first plane (V1), comprising an optical element (3) which is situated substantially in a second plane (V2). The o...  
WO/2001/027962A2
Various lamp systems are disclosed which effectively utilize light from an aperture lamp (3). Lamp systems are respectively configured to perform various types of light recapture including etendue recycling, polarization recycling, and/o...  
WO/2001/023132A1
A laser system (1) for producing a line beam laser output (4) comprises a laser source (6), and a lens system (12) for modifying the intensity profile of the incident laser input, and comprising a plurality of lens elements (16) arranged...  
WO2000022344A8
An electromagnetic radiation source (SO), such as an arc lamp, is located at a point displaced from the optical axis of a concave toroidal reflecting surface (M1). The concave primary reflector (M1) focuses the radiation from the source ...  
WO/2001/009684A1
The invention relates to a lighting system for a projection lighting system that comprises: a light source (1) that emits light of wavelengths of $m(F) 193 nm, especially wavelengths between 10 nm and 20 nm; a collector unit (30, 32) for...  
WO/2001/009681A2
The invention relates to a multi-mirror-system for an illumination system, especially for lithography with wavelengths $m(F) 193 nm comprising an imaging system, wherein said imaging system comprises at least a first mirror (5) and a sec...  
WO/2001/007939A1
The present invention provides a high gain collimator (30) producing generally uniform intensity profiles for use in lithography and other applications. A focusing optic (42) is also provided. The collimator includes an optic (42) and a ...  
WO/2001/002890A1
A collecting and condensing system includes a paired reflector set having a first, or collecting, reflector that collects radiation emitted from a radiation source and collimates the collected radiation into parallel beams directed to a ...  
WO/2001/001703A1
Projection display device which comprises a light source for generating a light beam, integrator means for converting the light beam into a uniform rectangular beam, modulator means for modulating the rectangular light beam with the info...  
WO/2000/072057A1
A light concentration system (10) comprising a light concentrator (12) having an input end and an output end and configured to receive light at the input end, concentrate the light, and emit the concentrated light at the output end over ...  
WO/2000/052501A1
A discontinuous condenser lens having a good efficiency of transmission of incident light, causing little energy loss, and condensing incident light accurately in line. The incident surface of the medium of the lens is made a steplike fl...  
WO/2000/046637A1
An illuminator for illuminating an object to be illuminated uniformly with high light use efficiency and an apparatus for displaying an image with excellent color, field-of-view characteristics luminance, and uniformness are disclosed. F...  
WO/2000/040893A1
In a method for coupling light sources to a light guide, the light sources (4) are non-radial and they are coupled to the light guide (1) in such a way that the main axis of the far-field of the light sources (4) is substantially paralle...  
WO/2000/038004A1
The color unevenness of the projected picture is reduced and the contrast is improved. A projection display has an illuminator for illuminating light modulating means for demodulating light according to picture information. The illuminat...  
WO/2000/031579A1
The present invention relates to an image projection system (1) comprising an illumination system (3) for supplying an illumination beam, a modulation system (11) for modulating said illumination beam, and an optical system for projectin...  
WO/2000/022344A1
An electromagnetic radiation source (SO), such as an arc lamp, is located at a point displaced from the optical axis of a concave toroidal reflecting surface (M1). The concave primary reflector (M1) focuses the radiation from the source ...  
WO/2000/019269A1
An optical docking station (110) comprises an optical frame (112) and a detachable virtual image display module (10). The display module (10) comprises a low power light source such as a light emitting diode (14), one or more beam splitt...  
WO/1999/046596A1
A fluorescent molecule is fixed to a slide (24), said slide 824) is coupled via an immersion liquid, with a light conducting body (1) first surface. The light conducting body further comprises a lateral surface (3) having the shape of a ...  
WO/1999/027406A1
The present invention relates to an optical condenser as well as to optical devices comprising this condenser which can be used in projection systems, in display screens, in information panels or other devices. The condenser and optical ...  
WO/1999/008144A1
A deconcentrating optic has an input aperture positioned near a point of minimum focus of a reflector, and has an output aperture which is larger than the input aperture. An inner surface connects the two apertures of the optic. The surf...  
WO/1999/006868A1
A light projecting method suitable for observing the state of the surface of an object to be measured, a surface inspection method using this light projecting method, and an apparatus used to implement these methods. In a light projectin...  
WO/1999/000692A1
A condenser (36) or aspheric lens comprising a condenser body having an aspheric section with a dome-shaped surface terminating in a circumferential perimeter and a sloping condenser surface extending from the circumferential perimeter o...  
WO/1998/017943A1
A solid integrated beamformer includes a solid nonimaging optic (40) having (i) a proximal nonimaging end and (ii) a distal nonimaging end; a solid refractive optic (50) integrally attached to the distal nonimaging end, the solid refract...  
WO/1998/010314A1
An optical beam shaping system has optical elements arranged in a radiation bundle in part designed as lens arrays having each several lenses for sensing partial radial bundles, their lens surfaces (3) being shaped into an optically acti...  
WO/1998/009113A1
An illuminating apparatus which has two lamp units suitable for the illuminating light source of a projection display and enables the bright illumination. A projection display using the illuminating apparatus is also disclosed. The illum...  
WO/1997/034173A1
A plate-like polarized light separator of a structure in which polarized light separating film surfaces and reflecting film surfaces are arranged alternately at fine pitches, and a projection display using such a polarized light separato...  
WO/1997/020241A1
A structure and method for a collection system for a projector includes a collector for reflecting light and a correcting mechanism for receiving the reflected light. The collector and the correcting mechanism, in combination, correct th...  
WO/1997/001787A1
A bright, small, light-weight, high resolution and economical projection display having a relatively simple construction and four great features of oblique projection, uniform illumination, large depth of focus and magnifying short-dista...  
WO/1996/041224A1
A reflective/diffractive light valve system collects light from multiple dimensions around a single light source. From these multiple collection dimensions, the light is directed to impinge on the valve from multiple directions. When the...  
WO/1996/031794A1
An image display apparatus which employs a polarization-sensitive scattering element (PSSE). In the display, a light source is usesd to illuminate a panel which modulates light in order to form an image. Positioned between the light sour...  
WO/1996/031742A1
A radiant energy redirecting system comprising a radiant energy transmitting body structure (10); the structure comprising multiple elements (11), each of which acts as a radiant energy redirecting module, having on its cross-sectional p...  
WO/1995/022779A1
A condenser lens (2) for a projection system optimizes the amount of overall brightness directed toward an aperture (3) and the uniformity of illumination at the aperture (3). The lens, when placed in the projection system, has a margina...  
WO/1995/003935A1
A light source destructuring and shaping device (6) which both homogenizes and imparts predetermined directionality to light rays emanating from a light source (7) is disclosed. The device comprises a micro-sculpted surface structure whi...  
WO/1994/024587A1
A device for use in the light-beam processing of materials comprises a point optical light source (1) and a concentrating reflector (2) with a reflecting surface in the form of a surface of rotation. The generatrix of the surface of rota...  
WO/1994/024586A1
A device for use in light-beam treatment comprises an elongated light source (1) and a concentrating reflector (2) with a reflecting surface in the form of a surface of rotation with a generatrix consisting of a number of sections (3) jo...  
WO/1994/023325A1
A family of condenser lenses for an overhead projector (OHP) are designed to balance overall brightness in the projected image versus uniformity of illumination. The lenses are plano-convex and aspheric, and their conic constant is a fun...  
WO/1994/009312A1
A device for light-beam working of materials consists of a light source (5) and an energy concentrator (1) which comprises a hollow reflective element, the reflective surfaces of which are formed of a basic ellipsoid (2), an additional e...  
WO/1993/021484A1
A radiant energy redirecting system comprising a radiant energy transmitting body structure (10) comprising multiple elements (11), each of which acts as a radiant energy redirecting module, having on its cross-sectional perimeter an ent...  
WO/1992/022008A1
This invention consists of a wide-angle, multi-element condenser system for an overhead projector that provides uniform illumination at the plane of the projection transparency, and a well-formed lamp image at the entrace pupil of the pr...  
WO/1992/020004A1
A matrix of optical concentrators (1) characterized essentially in that the concentrators (1) are optically independent rotationally symmetrical reflectors filled with a light-transparent optical material (2) having a refractive index n ...  
WO/1992/015029A1
When two hollow tubular light conduits (12, 14) are interconnected at a miter joint, beamed light can be redirected from one of the conduits to the other by a thin transparent prismatic element (22) that is mounted to extend along the pl...  
WO/1991/019218A1
Disclosed is an optical device for producing direct and/or trans-illumination of an object (2), the device consisting of an illumination and imaging device (1, 3, 4, 5), together with a polarizer (6) located in the illumination-beam path...  
WO/1991/018307A1
The device of this invention employs a short focal length anamorphic lens (10) to collect light from a source (6) with asymmetric angular dispersion of the flux. Focal lenghts are chosen to provide an approximate line fuzzy focus with a ...  
WO/1991/018315A1
The invention relates to an image projector providing homogeneous lighting of an object to be projected while increasing the light collection efficiency. The projector (1) is comprised of a light source (6) producing a light intended to ...  
WO/1991/013374A1
A reflector plate having such a form that two lines start at one point on a circle enclosing an emission source having a cylindrical, spherical or similar shape and extend toward opposite sides to form two symmetrical involutes and a str...  
WO/1991/010103A1
A device for focusing parallel rays on a receiving element (20). The device is characterized in that it comprises at least one focusing element on either side of a principal plane, each said element comprising a cylindrical primary refle...  
WO/1990/013777A1
A nonimaging radiant energy device (40) may include a hyperbolically shaped reflective element (42) with a radiant energy inlet (54) and a radiant energy outlet (58). A convex lens (44) is provided at the radiant energy inlet (54) and a ...  

Matches 301 - 350 out of 2,822