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8979287 Reflective surface producing a non-reversed, undistorted, perspective view  
The invention relates to a reflective surface substantially perpendicular to a vector field described by the equation: W(x,y,z)=T(proj(x,v,z))−(x,v,z)+proj(x,v,z)−(x,v,z)∥T(proj(x ,y,z))−(x,y,z)∥...
8864324 Substrate with lightweight structure  
A monolithic substrate of glass or glass ceramics and methods for manufacturing are provided, where the substrate has a lightweight structure. The lightweight structure includes recesses that are...
8746903 Method for assembling a mirror plate stack  
The invention relates to a method for assembling two or more mirror plate stacks into a rigid unit in turn comprising a plurality of mirror plates and a base plate onto which the plurality of...
8708507 Optical apparatus for magnifying a view of an object at a distance  
The magnifying apparatus is based on two dimensional arrays of micro magnifying modules (MMMs) positioned along a plane perpendicular to the axis of the magnifying apparatus. In addition, the...
8465164 Mirror assembly including foam encompassed within a polymer matrix  
A mirror includes a first layer including reflective material to reflect incident light, an adhesive backing disposed at a rear of the first layer, a second layer connected to the adhesive backing...
8147076 Beam-down type solar ray lighting device  
An object is to provide a solar ray lighting device which is capable of reducing the blocking and the shadowing of beams of light reflected by heliostats and which is capable of fixing firmly and...
8089208 Planar light source device  
A planar light source device is provided which has high light extraction efficiency and in which a change in color tone at different viewing angles is small. The planar light source device...
7980702 Image display device  
An image display device of the present invention comprises projectors, a reflecting mirror, a screen, an image signal processor which performs a distortion correction, and a base for supporting...
7891824 Reflector for a lighting device and illumination system of a projection apparatus  
A reflector for the lighting device and an illumination system of the projection apparatus are provided. The reflector comprises a first reflecting structure and a second reflecting structure...
7699479 Teardrop shaped vehicular mirror  
A vehicle mirror assembly having a housing and dome-type mirror lens. The lens has a first base footprint portion with a constant radius of curvature and a diameter, and a second base footprint...
7593615 Optical devices for guiding illumination  
Optical devices for guiding illumination are provided each having a body of optical material with staircase or acutely angled ramp structures on its top surface for distributing light inputted...
7547116 Positive contrast roadway lighting system  
A luminaire assembly generally includes a reflector having a center of symmetry and a lamp supported within the reflector, wherein the lamp is offset from the reflector center of symmetry, whereby...
7515226 Reflector providing particularly high reflectance in an intended viewing angle and reflection type liquid crystal display device using the same  
The present invention provides a reflector having a light-diffusing property which suppresses inter-object reflection over a wide angle, and giving particularly high reflectance in an intended...
7476145 Method for producing a mirror from a titanium-based material, and a mirror made from such a material  
A method for producing a mirror (10) from a titanium-based material by using the technique of ultraprecision machining. The mirror produced using this method has both a shape accuracy and a...
7239775 High repetition rate, linear, true time optical delay line  
An optical delay line for use with an optical source including input/output optics optically coupled to the optical source and a curved mirror with a reflective surface that is centered about an...
7130137 Method of designing reflective surface of reflector in vehicle lamp  
The method of designing a reflective surface of a reflector in a vehicle lamp according to the present invention comprise (1) a segment creating step of sectioning a free curved surface and...
7001033 Image display device  
An image display device includes a case with an opening, a luminous source image display displaying a first image, and a focusing element. The focusing element is positioned within the case, and...
6984049 Hinged substrate for large-aperture, lightweight, deformable mirrors  
An improved structure and method for building large-aperture lightweight deformable mirrors uses a hinged substrate. In addition to reduced weight, the approach provides rigidity to the mirror,...
6961190 Bulk lens, light emitting body, lighting device and optical information system  
The lens embraces a bulk-shaped lens body identified by a top surface, a bottom surface and a contour surface, and a well-shaped concavity is implemented in the inside of the lens body, aligned...
6957900 Glass reflector for projector and manufacturing method for the same  
For example, the reflector according to the present invention is a reflector made of glass for a projector which is composed of amorphous glass whose thermal expansion coefficient is 30 to...
6954565 Coupling configuration for optically coupling an optical conductor to an opto-receiver  
A coupling configuration for connecting an optical conductor to an opto-receiver has a parabolic mirror or a spherical mirror that reflects light emerging from the optical conductor onto a...
6854850 Multiple images from a single projector  
An image projection system capable of projecting images to multiple screens or viewing surfaces. The system uses a moveable mirror to direct the projected images to the screens. The moveable...
6746128 Ultra-high resolution imaging devices  
The invention provides an ultra-high numerical aperture imaging device (1) comprising two rotationally symmetric curved mirrors (11h, 12b), which can be used to achieve very high concentrations of...
6705737 Reflective optical apparatus for interconverting between a point of light and a line of light  
An optical apparatus includes a nonplanar light-reflecting surface having a shape referenced relative to an orthogonal axial system having an x-axis, a y-axis, and a z-axis. The light-reflecting...
6676263 Performance improvements of symmetry-breaking reflector structures in nonimaging devices  
A structure and method for providing a broken symmetry reflector structure for a solar concentrator device. The component of the optical direction vector along the symmetry axis is conserved for...
6520650 Lamp reflector with a barrier coating of a plasma polymer  
A no base coat vehicle headlamp reflector can be improved with a plasma deposited layer of a siloxane material. The siloxane layer acts as an barrier layer formed directly on the vehicle...
6467916 Light transmission device  
A non-imaging optical system for operating on light using broken symmetry reflector surfaces (30). The theoretical upper limit for concentration of direct solar radiation at low latitudes with...
6447148 Reflecting mirror manufacture method and lamp assembly  
Light distribution characteristics are defined which define a correspondence relation between the position of a reflection point on a reference plane and the position of an image of a light...
6398377 Automobile external wide-angle rearview mirror  
An automobile external wide-angle rearview mirror, which is integrated with a main zone disposed at an inner side thereof and multiple upper and lower outer zones respectively disposed at an outer...
6332688 Apparatus for uniformly illuminating a light valve  
A light energy efficient and low cost optical system for providing uniform illumination of a light valve. The light source is an extended source generally emitting a non-uniform spatial...
6305809 Mirror with multiple selectable magnifications  
A mirror for viewing the face at different magnifications selectable by the user includes a first, oval primary mirror comprised of a front mirror plate having a first magnification and a rear...
6299317 Method and apparatus for a passive solar day lighting system  
A method and apparatus for a passive, fiber-optic day-lighting system collects and transports sunlight as a cost-effective technology solution for day-lighting applications. The system utilizes a...
6270225 Blind spot sideview mirrors  
A left hand and right hand sideview mirror system for vehicles to provide an adequate display of vehicles in the regular view area, the overtaking area, and the blind spot area in one single...
6256153 Circumscribing ray route lens, the system condensing light therewith, and the lighting therewith  
A lens circumscribing rays of light incident thereupon from various directions within a fixed region, the system condensing light therewith, and the lighting therewith, are provided. Plural...
6212013 Projection type display apparatus  
A projection type display apparatus is arranged to be able to implement both brightness-priority display and color-reproduction-priority display by itself. In the display apparatus, white light...
6205998 Solar concentrator gap and receiver design  
A gap between absorber and reflector of a solar concentrator. A gap is required in a solar concentrator for thermal isolation reasons and the position of the receiver relative to reflector and a...
6123436 Optical device for modifying the angular and spatial distribution of illuminating energy  
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...
6095655 Reflector for a lighting device with an elongated light source  
A reflector (R) for a lighting device having a light source elongated in one direction has a three-dimensional curved shape which provides a maximum efficiency of the device with the required...
6022114 Anamorphic afocal beam shaping assembly  
An anamorphic system and method having first and second reflective anamorphic surfaces producing different magnifications in orthogonal directions in a collimated beam of radiation incident on the...
5971551 Nonimaging optical concentrators and illuminators  
A nonimaging concentrator (or illuminator) of light. The concentrator (or illuminator) has a shape defined by dR/dφ=Rtanα where R is a radius vetor from an origin to a point of reflection of a...
5942166 Process for the production of coaxial and confocal mirrors having grazing incidence  
A process for the production of coaxial and confocal mirrors having grazing incidence consists essentially of a support element or a carrier made of ceramic material, a layer reflecting X-rays and...
5926329 Reflection mirror for vehicle lamp and method of forming the same  
A reflection mirror includes a main reflection portion including a region close to a main optical axis of the reflection mirror, and circumferential wall portions surrounding the main reflection...
5907423 Scanning optical delay device having a helicoid reflecting mirror  
A rapid and linear scanning optical delay line was attained by the use of a helicoid reflecting mirror which was spun by a DC servo motor for bringing about a periodic change in the optical path...
5903403 Imaging system using a compound elliptical concentrator  
An imaging system includes a compound elliptical concentrator having an illumination source at an entry aperture and having an exit aperture directed to project light onto the surface of an...
5872663 Apparatus and method for fabricating a deflection mirror tower  
A deflection mirror tower (DMT) of a multiple-disk array, optical storage system includes a plurality of prism members, each having an angular mirror surface, arranged along a vertical axis of the...
5859734 Light-supplying optical device  
In order to suppress generation of the line bow phenomenon created when light from a light source is collected into a linear form on the surface of an original document by a toric mirror, for...
5844731 Light reflecting plate  
A light reflecting plate includes a thermoplastic polyester foam containing fine cells with a mean cell diameter of 50 μm or less and having a thickness of 200 μm or more and a specific gravity of...
5844730 Light-supplying optical device  
The line bow phenomenon is reduced by appropriately setting the reflective surface and/or the external shape of an optical element (e.g., a toric mirror) thereby realizing approximately linear...
5790305 Projection system comprising a free form reflector and a free form lens  
The disclosure relates to an LCD projector illumination system that optimizes the illumination through a liquid crystal screen as well as through the aperture of the system's objective, wherein...
5757557 Beam-forming lens with internal cavity that prevents front losses  
A device for directing light longitudinally forwardly, that comprises a lens body having a front face facing forwardly, rearward body extent, and a curved sidewall extending between the rearward...

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