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Patent Searching and Data


Matches 751 - 800 out of 4,056

Document Document Title
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...  
JP6767970B2  
JP6765011B2  
JP6761574B2  
JP2020154024A
[Subject] While excelling in utilization efficiency of light, a light source optical system, light equipment, and an image projection device which can attain a miniaturization are provided. [Means for Solution] A wavelength conversion un...  
JP6761306B2  
JP2020149070A
[Subject] A problem which specifies a means which makes it possible not to accept a specific fault to an equivalent grade and to acquire an advantage of use of an anamorphic projection lens is coped with. [Means for Solution] A projectio...  
JP6755416B2  
JP6754946B2  
JP6753477B2  
JP2020140172A
To provide an illumination optical system advantageous in terms of controlling an illuminance distribution with respect to an illuminated surface. The illumination optical system illuminates an illuminated surface, and includes a light s...  
JPWO2019059315A1
The integrator section (90) is provided with two fly-eye lenses (91,92), and the fly-eye lens spacing adjustment mechanism (95) is the distance between the two fly-eye lenses (91,92) in the optical axis direction (d). ) Is changed. The d...  
JP2020526790A
An image formation system contains the diffusion element constituted so that it may return into a laser diode and a part of optical beam may be combined. This system contains the diode laser driven for a disorderly system with the combin...  
JP6748197B2  
JP6742322B2  
JP2020122989A
[Subject] Develop an illumination-light study unit of a type shown in the beginning which can realize a specular reflexion machine by cheap manufacturing expenses as compared with conventional technology. [Means for Solution] A facet mir...  
JP2020122929A
[Subject] Advantageous art is provided in order to change a position of an illumination range easily. [Means for Solution] Illumination-light study system 200 illuminates field 5 to be illuminated using light from light source 1. Integra...  
JP2020112796A
[Subject] The present invention relates to the optical system for the micro lithography projection aligners for operation by EUV. [Means for Solution] This optical system is provided with at least one polarization influence device (124, ...  
JP6721453B2  
JP6724440B2  
JP6722411B2  
JP2020101651A
[Subject] A small projector provided with a projection function and an image pick-up function is provided. [Means for Solution] A prism assembly object which comprised a plurality of prisms with which an optical element of the present in...  
JP6715241B2  
JP6716923B2  
JP2020517081A
[Subject] The present invention provides a stage lamp lighting installation. [Means for Solution] A luminescent device with which the stage lamp lighting installation concerned emits monochromatic light of at least two kinds of colors, A...  
JP6703944B2  
JP6701204B2  
JP6698063B2  
JP6701136B2  
JP6700982B2  
JP2020514810A
[Means for Solution] Use on the head mount light field display using a free curved surface waveguide way type prism, integral imaging, and a relay group which have the compound surface. [Chosen drawing] Drawing 6C  
JP2020074031A
To provide an illumination optical system capable of giving a high illuminance while achieving illuminance uniformity in an illumination area and uniformity of illumination angle characteristics.The illumination optical system illuminati...  
JP2020513651A
[Subject] In a small structure form, attachment provides the floodlight performed in consideration of easy and required accuracy. [Means for Solution] It is [ in / are the floodlight module (1) provided with at least one light source (2)...  
JP2020074025A
To provide an image display device that can improve visibility of a virtual image.An image display device 1000 forms an image with light from a semiconductor laser, and makes image light after forming the image incident on a transmission...  
JP2020073949A
To provide an illumination optical unit for EUV projection lithography which functions to guide illumination light toward an object visual field.A visual field facet mirror of an illumination optical unit has a plurality of individual mi...  
JP2020067516A
To realize a zoom lens for projecting an image and an image projection device that can cope with both of the size of a variable magnification ratio and brightness and has less aberration.Zoom lenses for projecting images comprise a first...  
JP6690217B2  
JP6683688B2  
JP2020061344A
To provide a light source device that can improve uniformity of an amount of light on an irradiated surface.In a light source device 1, a plurality of light emitting diodes 2 are arranged on a plane. A light distribution angle of each of...  

Matches 751 - 800 out of 4,056