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Patent Searching and Data


Matches 451 - 500 out of 3,322

Document Document Title
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/1996/031742A1
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/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/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/1991/018315A1
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/1991/018307A1
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/1991/013374A1
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 ...  
WO/1990/011545A1
According to the invention the illuminating device having a high luminosity factor is essentially characterized in that it comprises a light source (1) housed in a mirror (2), a truncated transparent sleeve (8) placed between said light ...  
WO/1989/005463A1
A concentrator arrangement (10) consists of a plate (11) coupled to a plurality of mutually parallel first cells (14) with parabolic side walls (2, 3). The first cells (14) are optically coupled with second cells (15) whose coupling face...  
WO/1989/001640A1
Gradient optical density transmissive light directing devices (20, 24, 26, 28, 30) and fabrication thereof are disclosed herein. Examples of such devices include concentrators, lenses and compound lenses. The present invention teaches a ...  
WO/1987/006012A1
A concentrator of solar radiation comprises a carrying structure (1) on which are mounted, in annular rows, facets (2) the reflecting surfaces of which are split into annular zones (3). At least one of the peripheral annular zones (3) ha...  
WO/1987/001466A1
A regulator means (8) or (9) for varying the distance on the optical axis between a light source (1) such as a semiconductor laser and a condenser (2) is provided in an optical head device. A spherical aberration component, which is a fa...  
WO/1983/002310A1
The method and apparatus of the invention are intended to collect, in the intermediary space comprised between the transparent cover and the absorbing receiver surfaces of a solar insolator, the substantially parallel light beams from th...  
JP2016192343A
[Subject] A short arc Flach lamp which has in a housing a pair of starting auxiliary electrodes arranged inside an arc tube among a pair of a main electrode and the pair of main electrodes, While having a reflective mirror reflected belo...  
JP2016535313A
EUV投影リソグラフィのための照明光学ユ ニットは、下流結像光学ユニット(6)の物 体視野(3)が内部に配置された照明視野を 照明するためなどに機能する。物体変位...  
JP2016192264A
[Subject] A subject of the present invention is having an irradiation object face of high illumination homogeneity, and having a small optical radial plane compared with an irradiation object face, and providing a tabular imaging optics ...  
JP2016191844A
[Subject] It aims at being able to emit fluorescence at high efficiency and providing fluorescence light equipment which can constitute a small device from an easy structure. [Means for Solution] It has an excitation light emitting part ...  
JP6022759B2  
JP6023777B2  
JP2016188923A
[Subject] An exposure device and an exposure method which can attain efficient-izing and reinforcement of a spatial-light-modulation element are provided. [Means for Solution] Micro lens array 142 by which a micro lens in which exposure ...  
JP2016188878A
[Subject] An illumination-light study system which can obtain high illumination realizing illumination homogeneity in a lighting field, and homogeneity of the irradiation angle characteristic. [Means for Solution] The 1st light-emitting ...  
JP2016186892A
[Subject] A bundle of rays can be extracted thinly and small light equipment and a lighting installation, and a projector are provided. [Means for Solution] The 2nd light source unit 21B that ejects bundle of rays K2 containing the 1st l...  
JP6016169B2  
JP2016184127A
[Subject] Light equipment which controlled a fall of luminosity is realized including a plurality of LED elements. [Means for Solution] Light equipment is provided with the following. A plurality of LED elements, The first optical system...  
JP2016184126A
[Subject] A plurality of LED elements are included and light equipment which improved the homogeneity of illumination distribution on an irradiation side is realized. [Means for Solution] Light equipment is provided with the following. A...  
JP6010032B2  
JP2016177194A
[Subject] It excels in portability and obtains the image projection device which can display a picture with an expansion display and sufficient quality easily. [Means for Solution] It has a light source, an image display element illumina...  
JP2016173484A
[Subject] By thinking transmissivity of a red spectrum region as important, a projection lens and a projector aiming at improving a shortage of light volume of a red spectrum region are provided. [Means for Solution] It is a projection l...  
JP2016170390A
[Subject] It aims at providing a projector incorporating light equipment and this with high utilization efficiency of light. [Means for Solution] Light equipment 2 is provided with a pickup optical system into which a light emitting elem...  

Matches 451 - 500 out of 3,322