| Patent Number |
Title Of Patent |
Date Issued |
| 7587117 |
Luminaire device |
September 8, 2009 |
| An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of refraction n.sub.1, and top, bottom and side surfaces defining an angel of inclination .phi.. A back surface spans the top, bottom and side surface. A first l |
| 7424197 |
Luminaire device |
September 9, 2008 |
| An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of referaction n.sub.1, and top, bottom and side surfaces defining an angel of inclination .phi.. A back surface spans the top, bottom and side surface. A first |
| 7418188 |
Luminaire device |
August 26, 2008 |
| An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of referaction n.sub.1, and top, bottom and side surfaces defining an angle of inclination .phi.. A back surface spans the top, bottom and side surface. A first |
| 7209628 |
Luminaire device |
April 24, 2007 |
| An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of refraction n.sub.1, and top, bottom and side surfaces defining an angel of inclination .phi.. A back surface spans the top, bottom and side surface. A first l |
| 6993242 |
Luminaire device |
January 31, 2006 |
| An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of referaction n.sub.1, and top, bottom and side surfaces defining an angel of inclination .phi.. A back surface spans the top, bottom and side surface. A first |
| 6676263 |
Performance improvements of symmetry-breaking reflector structures in nonimaging devices |
January 13, 2004 |
| 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 all rays propagated through a translationally symmetric optical device. This quantity, re |
| 6671452 |
Luminaire device |
December 30, 2003 |
| An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of referaction n.sub.1, and top, bottom and side surfaces defining an angel of inclination .phi.. A back surface spans the top, bottom and side surface. A first |
| 6668820 |
Multiple reflector solar concentrators and systems |
December 30, 2003 |
| The present invention relates to multiple reflector light or solar energy concentrators and systems using such concentrators. More particularly, the invention is concerned with an arrangement of optical elements for the efficient collection of light while minimizing complexities of optic |
| 6637428 |
Collapsible light concentration device |
October 28, 2003 |
| A collapsible light collection and/or transmission device having an axis of symmetry. The device includes opposing first and second body portions each having a curved inner reflective surface and an outer surface. The first body portion is pivotally coupled to the second body portion alo |
| 6541694 |
Nonimaging light concentrator with uniform irradiance |
April 1, 2003 |
| A nonimaging light concentrator system including a primary collector of light, an optical mixer disposed near the focal zone for collecting light from the primary collector, the optical mixer having a transparent entrance aperture, an internally reflective housing for substantially t |
| 6467916 |
Light transmission device |
October 22, 2002 |
| 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 stationary concentrators is determined from the projected solid angle sampled by the apparent m |
| 6335999 |
Multilayer luminaire device |
January 1, 2002 |
| An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of referaction n.sub.1 l, and top, bottom and side surfaces defining an angel of inclination .phi.. A back surface spans the top, bottom and side surface. A firs |
| 6244264 |
Non-imaging optical illumination system |
June 12, 2001 |
| A passive solar collector has a reflector or a plurality of reflectors in a tube that is in a partial vacuum and is entirely or partly transparent. An absorber collects light reflected by the reflector or plurality of reflectors and delivers energy from the collected light to a central t |
| 6205998 |
Solar concentrator gap and receiver design |
March 27, 2001 |
| 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 notch are optimized for best solar collection efficiency. |
| 6177761 |
LED with light extractor |
January 23, 2001 |
| In apparatus to extract light from an LED, the combination includes a cylindrical body consisting of light transmitting material, the body having a cylindrical outer wall; a pyramidal body having at least three sides and consisting of light transmitting material, the pyramidal body l |
| 6044840 |
Nonimaging solar collector |
April 4, 2000 |
| A nonimaging solar collector. A method and article of manufacture of a solar collector includes an outer housing transparent to light, a reflector element positioned asymmetrically within the outer housing, an absorber disposed within the outer housing, and a heat conduction fin coup |
| 6044196 |
Luminaire device |
March 28, 2000 |
| An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of referaction n.sub.1, and top, bottom and side surfaces defining an angel of inclination .phi.. A back surface spans the top, bottom and side surface. A first |
| 6019485 |
Nonimaging optical illumination system |
February 1, 2000 |
| A nonimaging illumination optical device for producing a selected far field illuminance over an angular range. The optical device includes a light source 102, a light reflecting surface 108, and a family of light edge rays defined along a reference line 104 with the reflecting surface 10 |
| 6002829 |
Luminaire device |
December 14, 1999 |
| An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of referaction n.sub.1, and top, bottom and side surfaces defining an angel of inclination .phi.. A back surface spans the top, bottom and side surface. A first |
| 5971551 |
Nonimaging optical concentrators and illuminators |
October 26, 1999 |
| A nonimaging concentrator (or illuminator) of light. The concentrator (or illuminator) has a shape defined by dR/d.phi.=Rtan.alpha. where R is a radius vetor from an origin to a point of reflection of a light edge ray from a reflector surface and .phi. is an angle between the R vector an |
| 5967140 |
Nonimaging solar collector |
October 19, 1999 |
| A nonimaging solar collector. A method and article of manufacture of a solar collector includes an outer housing transparent to light, a reflector element position asymmetrically within the outer housing, an absorber disposed within the outer housing, and a heat conduction fin couple |
| 5927271 |
Nonimaging solar collector |
July 27, 1999 |
| A nonimaging solar collector. A method and article of manufacture of a solar collector includes an outer housing transparent to light, a reflector element positioned asymmetrically within the outer housing, an absorber disposed within the outer housing, and a heat conduction fin coup |
| 5816693 |
Nonimaging optical illumination system |
October 6, 1998 |
| A nonimaging illumination optical device for producing a selected far field illuminance over an angular range. The optical device includes a light source 102, a light reflecting surface 108, and a family of light edge rays defined along a reference line 104 with the reflecting surface 10 |
| 5610768 |
Nonimaging radiant energy device |
March 11, 1997 |
| A nonimaging radiant energy device may include a hyperbolically shaped reflective element with a radiant energy inlet and a radiant energy outlet. A convex lens is provided at the radiant energy inlet and a concave lens is provided at the radiant energy outlet. Due to the provision o |
| 5594830 |
Luminaire device |
January 14, 1997 |
| An optical device for collecting light and selectively outputting or concentrating the light. A wedge layer has an optical index of refraction n.sub.1, and top, bottom and side surfaces intersecting to define an angle of inclination .phi.. A back surface spans the top, bottom and side |
| 5586013 |
Nonimaging optical illumination system |
December 17, 1996 |
| A nonimaging illumination optical device for producing a selected far field illuminance over an angular range. The optical device includes a light source 102, a light reflecting surface 108, and a family of light edge rays defined along a reference line 104 with the reflecting surface 10 |
| 5557478 |
Nonimaging radiant energy device |
September 17, 1996 |
| A nonimaging radiant energy device may include a hyperbolically shaped reflective element with a radiant energy inlet and a radiant energy outlet. A convex lens is provided at the radiant energy inlet and a concave lens is provided at the radiant energy outlet. Due to the provision o |
| 5537991 |
Nonimaging solar collector |
July 23, 1996 |
| A nonimaging solar collector. A method and article of manufacture of a solar collector includes an outer housing transparent to light, a reflector element positioned within the outer housing, an absorber concentrically disposed relative to the outer housing, and a heat conduction fin |
| 5528720 |
Tapered multilayer luminaire devices |
June 18, 1996 |
| An optical device for collecting light and selectively outputting or concentrating the light. A wedge layer has an optical index of refraction n.sub.1, and top, bottom and side surfaces intersecting to define an angle of inclination .phi.. A back surface spans the top, bottom and side |
| 5491620 |
Light source illumination system |
February 13, 1996 |
| An illumination system having a concave minor for imaging a light source. The illumination system includes a light source, a first concave minor for imaging the light source and a second concave minor for reimaging the imaged light source at another location. The system timber includes a |
| 5416325 |
Fourier transform infrared spectrometer |
May 16, 1995 |
| A Fourier transform infrared spectrometer. A system includes a non-imaging concentrator coupled to an infrared detector enabling optimized detection of a signal in the Fourier transform infrared spectrometer. |
| 5335152 |
Nonimaging optical illumination system |
August 2, 1994 |
| A nonimaging illumination optical device for producing selected intensity output over an angular range. The device includes a light reflecting surface (24, 26) around a light source (22) which is disposed opposite the aperture opening of the light reflecting surface (24, 26). The light |
| 5303322 |
Tapered multilayer luminaire devices |
April 12, 1994 |
| An optical device for collecting light and selectively outputting or concentrating the light. A wedge layer has an optical index of refraction n.sub.1, and top, bottom and side surfaces intersecting to define an angle of inclination d. A back surface spans the top, bottom and side surfac |
| 5289356 |
Nonimaging optical illumination system |
February 22, 1994 |
| A nonimaging illumination or concentration optical device. An optical device is provided having a light source, a light reflecting surface with an opening and positioned partially around the light source which is opposite the opening of the light reflecting surface. The light reflecting |
| 5243459 |
Nonimaging radiant energy device |
September 7, 1993 |
| A nonimaging radiant energy device may include a hyperbolically shaped reflective element with a radiant energy inlet and a radiant energy outlet. A convex lens is provided at the radiant energy inlet and a concave lens is provided at the radiant energy outlet. Due to the provision o |
| 5237641 |
Tapered multilayer luminaire devices |
August 17, 1993 |
| An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of refraction n.sub.1, and top, bottom and side surfaces intersecting to define an angle of inclination .phi.. A back surface spans the top, bottom and side surf |
| 5005958 |
High flux solar energy transformation |
April 9, 1991 |
| Disclosed are multi-stage systems for high flux transformation of solar energy allowing for uniform solar intensification by a factor of 60,000 suns or more. Preferred systems employ a focusing mirror as a primary concentrative device and a non-imaging concentrator as a secondary con |
| 4956759 |
Illumination system for non-imaging reflective collector |
September 11, 1990 |
| A first concave mirror collects the light emitted by a light source in a first half space and forms a first image of the light source at a point proximate thereto. A second larger concave mirror opposite the first mirror forms second and third images from the respective source and first |
| 4483007 |
Energy transmission with respect to convex sources and receivers |
November 13, 1984 |
| Devices for transmission of radiant energy from a convex source to a convex receiver wherein a concave wall reflects rays of selected angularity of source onto the receiver at a selected angularity and in a single reflection. Preferred devices permit transmission of extreme energy rays |
| 4387961 |
Compound parabolic concentrator with cavity for tubular absorbers |
June 14, 1983 |
| A compond parabolic concentrator with a V-shaped cavity is provided in which an optical receiver is emplaced. The cavity redirects all energy entering between the receiver and the cavity structure onto the receiver, if the optical receiver is emplaced a distance from the cavity not great |
| 4359265 |
Controlled directional scattering cavity for tubular absorbers |
November 16, 1982 |
| A specular cavity is provided in which an optical receiver is emplaced. The cavity is provided with a series of V groove-like indentations (or pyramidal-type indentations) which redirect energy entering between the receiver and cavity structure onto the receiver. The aperture opening of |
| 4240692 |
Energy transmission |
December 23, 1980 |
| Disclosed are radiant energy transmitting devices operative selectively in concentrative and emissive modes, having transmitting elements including radiant energy transmitting and guiding surfaces at the interface of media of differing indices of refraction for radiant energy. Surfaces g |
| 4237332 |
Nonimaging radiant energy direction device |
December 2, 1980 |
| A raidant energy nonimaging light direction device is provided. The device includes an energy transducer and a reflective wall whose contour is particularly determined with respect to the geometrical vector flux of a field associated with the transducer. |
| 4230095 |
Ideal light concentrators with reflector gaps |
October 28, 1980 |
| A cylindrical or trough-like radiant energy concentration and collection device is provided. The device includes an energy absorber, a glazing enveloping the absorber and a reflective wall. The ideal contour of the reflective wall is determined with reference to a virtual absorber and no |
| 4130107 |
Solar concentrator with restricted exit angles |
December 19, 1978 |
| A device is provided for the collection and concentration of radiant energy and includes at least one reflective side wall. The wall directs incident radiant energy to the exit aperture thereof or onto the surface of energy absorber positioned at the exit aperture so that the angle of in |
| 4114592 |
Cylindrical radiant energy direction device with refractive medium |
September 19, 1978 |
| A device is provided for directing radiant energy and includes a refractive element and a reflective boundary. The reflective boundary is so contoured that incident energy directed thereto by the refractive element is directed to the exit surface thereof or onto the surface of an energy |
| 4045246 |
Solar cells with concentrators |
August 30, 1977 |
| The invention provides a unique arrangement for cooling solar cells that are associated with collectors for collecting solar radiation and concentrating the same on the solar cells.The solar energy concentrators are each characterized by having a chamber with a solar radiation transm |
| 4003638 |
Radiant energy collection |
January 18, 1977 |
| Disclosed are non-imaging systems and devices for collection and concentration of electromagnetic energy and particularly solar energy including one or more longitudinally-extending, generally trough-shaped bodies having curving inner reflective walls for concentration of energy from |
| 4002499 |
Radiant energy collector |
January 11, 1977 |
| An electromagnetic energy collection device is provided which does not require a solar tracking capability. It includes an energy receiver positioned between two side walls which reflect substantially all incident energy received over a predetermined included angle directly onto the |
| 3957031 |
Light collectors in cylindrical geometry |
May 18, 1976 |
| A device is provided for collecting electromagnetic energy developed by an energy source of finite dimension and of finite distance from the collection device. It includes an energy absorber positioned between two side walls which reflects substantially all incident energy received from |
