Patents by Inventor Maikel Hernandez
Maikel Hernandez has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9574735Abstract: A luminaire has a light source and a shell integrator. The shell integrator has a transparent dome over the light source, with inner and outer surfaces formed as arrays of lenslets. Each lenslet of the inner surface images the light source onto a respective lenslet of the outer surface, and each lenslet of the outer surface images the respective lenslet of the inner surface as a virtual image onto the light source. The dome may be substantially hemispherical. The light source and the integrator may be at an input of a collimator.Type: GrantFiled: September 22, 2011Date of Patent: February 21, 2017Assignee: Light Prescriptions Innovators, LLCInventors: Pablo Benitez, Oliver Dross, Maikel Hernandez, Juan Carlos Minano
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Patent number: 8749898Abstract: One optical system comprises a first optical surface, a faceted second optical surface, and a faceted third optical surface. The optical system is operative to convert a first bundle of rays that is continuous in phase space outside the first optical surface into a second bundle of rays that is continuous in phase space outside the third optical surface. Between the second and third optical surfaces the rays making up the first and second bundles form discrete sub-bundles each passing from a facet of the second optical surface to a facet of the third optical surface. The sub-bundles do not form a continuous bundle in a phase space that has dimensions representing the position and angle at which rays cross a surface transverse to the bundle of rays.Type: GrantFiled: August 20, 2010Date of Patent: June 10, 2014Assignee: Light Prescriptions Innovators, LLCInventors: Juan Carlos Miñano, Pablo Benítez, Julio C. Chaves, Maikel Hernandez
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Patent number: 8631787Abstract: The present embodiments provide methods and systems to homogenize illumination on a target.Type: GrantFiled: September 8, 2008Date of Patent: January 21, 2014Assignee: Light Prescriptions Innovators, LLCInventors: Pablo Benitez, Juan Carlos Minano, Maikel Hernandez, Jose Blen, Ruben Mohedano, Oliver Dross
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Publication number: 20130194811Abstract: A luminaire has a light source and a shell integrator. The shell integrator has a transparent dome over the light source, with inner and outer surfaces formed as arrays of lenslets. Each lenslet of the inner surface images the light source onto a respective lenslet of the outer surface, and each lenslet of the outer surface images the respective lenslet of the inner surface as a virtual image onto the light source. The dome may be substantially hemispherical. The light source and the integrator may be at an input of a collimator.Type: ApplicationFiled: September 22, 2011Publication date: August 1, 2013Applicant: LIGHT PRESCRIPTIONS INNOVATORS, LLCInventors: Pablo Benitez, Oliver Dross, Maikel Hernandez, Juan Carlos Minano
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Patent number: 8419232Abstract: Some embodiments provide an illumination optical system. The optical system can include a first surface and a second surface. Each of the first and second surfaces can further comprises a multiplicity of corresponding Cartesian-oval lenticulations such that each lenticulation of the first surface focuses a source upon a corresponding lenticulation of the second surface and each lenticulation of the second surface focuses a target upon a corresponding lenticulation of the first surface.Type: GrantFiled: July 28, 2006Date of Patent: April 16, 2013Assignee: Light Prescriptions Innovators, LLCInventors: Juan Carlos Minano, Pablo Benitez, Maikel Hernandez, Jose Blen, Ruben Mohedano, Oliver Dross
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Patent number: 8101855Abstract: In one embodiment of a solar concentrator, a tailored aspheric lens augments the solar-concentrator performance of a concave mirror, widening its acceptance angle for easier solar tracking, making it more cost-competitive for ultra-large arrays. The molded-glass secondary lens also includes a short rod for reducing the peak concentration on a photovoltaic cell that is optically bonded to the end of the rod. The Simultaneous Multiple Surface method produces lens shapes suitable for a variety of medium and high concentrations by mirrored dishes. Besides the rotationally symmetric parabolic mirror itself, other aspheric deviations therefrom are described, including a free-form rectangular mirror that has its focal region at its edge.Type: GrantFiled: March 14, 2008Date of Patent: January 24, 2012Assignee: Light Prescriptions Innovators, LLCInventors: Pablo Benitez, Juan Carlos Miñano, Maikel Hernandez, Aleksandra Cvetkovic, William A. Parkyn, Jr.
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Publication number: 20110203662Abstract: One optical system comprises a first optical surface, a faceted second optical surface, and a faceted third optical surface. The optical system is operative to convert a first bundle of rays that is continuous in phase space outside the first optical surface into a second bundle of rays that is continuous in phase space outside the third optical surface. Between the second and third optical surfaces the rays making up the first and second bundles form discrete sub-bundles each passing from a facet of the second optical surface to a facet of the third optical surface. The sub-bundles do not form a continuous bundle in a phase space that has dimensions representing the position and angle at which rays cross a surface transverse to the bundle of rays.Type: ApplicationFiled: August 20, 2010Publication date: August 25, 2011Applicant: Light Prescriptions Innovators, LLCInventors: Juan Carlos Miñano, Pablo Benítez, Julio C. Chaves, Maikel Hernandez
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Patent number: 8000018Abstract: One example of a solar voltaic concentrator has a primary Fresnel lens with multiple panels, each of which forms a Köhler integrator with a respective panel of a lenticular secondary lens. The resulting plurality of integrators all concentrate sunlight onto a common photovoltaic cell. Luminaires using a similar geometry are also described.Type: GrantFiled: November 18, 2009Date of Patent: August 16, 2011Assignee: Light Prescriptions Innovators, LLCInventors: Pablo Benítez, Juan Carlos Miñano, Pablo Zamora, Maikel Hernandez, Aleksandra Cvetkovic
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Publication number: 20100307586Abstract: One example of a solar photovoltaic concentrator has a primary mirror with multiple free-form panels, each of which forms a Köhler integrator with a respective panel of a lenticular secondary lens. The Köhler integrators are folded by a common intermediate mirror. The resulting plurality of integrators all concentrate sunlight onto a common photovoltaic cell. Luminaires using a similar geometry are also described.Type: ApplicationFiled: June 8, 2010Publication date: December 9, 2010Applicant: Light Prescriptions Innovators, LLCInventors: Pablo Benítez, Juan Carlos Miñano, Maikel Hernandez, Marina Buljan
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Patent number: 7729577Abstract: A waveguide version of a Kohler integrator is disclosed, utilizing geodesic lenses with a surface that can be mapped to a gradient-index Luneburg lens or to a nonfull-aperture Luneburg lens in such a way that the light paths in the gradient index lenses map into the geodesics of the surface, with the outer region of the gradient index lenses mapped into a flat surface. Arrays of these can be applied to lines of LEDs, as in CHMSLs, to mix light in intensity and in illumination as well as to avoid the deleterious effects of binning and burnout, or in multicolor arrays, to ensure complete chromatic mixing.Type: GrantFiled: June 4, 2007Date of Patent: June 1, 2010Assignee: Light Prescriptions Innovators, LLCInventors: Juan Carlos Miñano, Pablo Benitez, Dejan Grabovickic, José Blen, Maikel Hernandez, Rubén Mohedano, Oliver Dross
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Publication number: 20100123954Abstract: One example of a solar voltaic concentrator has a primary Fresnel lens with multiple panels, each of which forms a Köhler integrator with a respective panel of a lenticular secondary lens. The resulting plurality of integrators all concentrate sunlight onto a common photovoltaic cell. Luminaires using a similar geometry are also described.Type: ApplicationFiled: November 18, 2009Publication date: May 20, 2010Applicant: Light Prescriptions Innovators, LLCInventors: Pablo Benitez, Juan Carlos Miñano, Pablo Zamora, Maikel Hernandez, Aleksandra Cvetkovic
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Publication number: 20090071467Abstract: The present embodiments provide methods and systems to homogenize illumination on a target.Type: ApplicationFiled: September 8, 2008Publication date: March 19, 2009Applicant: Light Prescriptions Innovators, LLCInventors: Pablo Benitez, Juan Carlos Minano, Maikel Hernandez, Jose Blen, Ruben Mohedano, Oliver Dross
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Publication number: 20080316761Abstract: Some embodiments provide an illumination optical system. The optical system can include a first surface and a second surface. Each of the first and second surfaces can further comprises a multiplicity of corresponding Cartesian-oval lenticulations such that each lenticulation of the first surface focuses a source upon a corresponding lenticulation of the second surface and each lenticulation of the second surface focuses a target upon a corresponding lenticulation of the first surface.Type: ApplicationFiled: July 28, 2006Publication date: December 25, 2008Applicant: Light Prescriptions Innovators, LLCInventors: Juan Carlos Minano, Pablo Benitez, Maikel Hernandez, Jose Blen, Ruben Mohedano, Oliver Dross
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Patent number: 7460985Abstract: The embodiments provide methods for use in designing and/or manufacturing optical systems. Some embodiments further provide for the optical systems generated utilizing the methods for use in designing and/or manufacturing. In some embodiments, a method simultaneously generates first and second sets of span points defining first and second surfaces, respectively, where sets of span points are interdependent. The method curve fits through the first and second sets of span points defining initial first and second spines, smoothes the curve fittings such that tangent vectors are perpendicular to normal vectors, and defines patches of the first and second surfaces relative to the first and second spines. Some embodiments simultaneously generate the first and second sets of span points by alternatively determining the points of the sets based on propagation of input wavefronts and associated output wavefronts relative to previously determined points.Type: GrantFiled: July 28, 2004Date of Patent: December 2, 2008Assignee: Light Prescriptions Innovators, LLCInventors: Pablo Benitez, Juan Carlos Minano, Jose Blen Flores, Maikel Hernandez, Ruben Mohedano Arroyo, Julio Cesar Chaves
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Publication number: 20080223443Abstract: In one embodiment of a solar concentrator, a tailored aspheric lens augments the solar-concentrator performance of a concave mirror, widening its acceptance angle for easier solar tracking, making it more cost-competitive for ultra-large arrays. The molded-glass secondary lens also includes a short rod for reducing the peak concentration on a photovoltaic cell that is optically bonded to the end of the rod. The Simultaneous Multiple Surface method produces lens shapes suitable for a variety of medium and high concentrations by mirrored dishes. Besides the rotationally symmetric parabolic mirror itself, other aspheric deviations therefrom are described, including a free-form rectangular mirror that has its focal region at its edge.Type: ApplicationFiled: March 14, 2008Publication date: September 18, 2008Applicant: Light Prescriptions Innovators, LLCInventors: Pablo Benitez, Juan Carlos Minano, Maikel Hernandez, Aleksandra Cvetkovic, William A. Parkyn
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Publication number: 20080002423Abstract: A waveguide version of a Kohler integrator is disclosed, utilizing geodesic lenses with a surface that can be mapped to a gradient-index Luneburg lens or to a nonfull-aperture Luneburg lens in such a way that the light paths in the gradient index lenses map into the geodesics of the surface, with the outer region of the gradient index lenses mapped into a flat surface. Arrays of these can be applied to lines of LEDs, as in CHMSLs, to mix light in intensity and in illumination as well as to avoid the deleterious effects of binning and burnout, or in multicolor arrays, to ensure complete chromatic mixing.Type: ApplicationFiled: June 4, 2007Publication date: January 3, 2008Applicant: LIGHT PRESCRIPTIONS INNOVATORS, INC.Inventors: Juan Minano, Pablo Benitez, Dejan Grabovickic, Jose Blen, Maikel Hernandez, Ruben Mohedano, Oliver Dross