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1. WO2020092876 - SYSTEMS FOR RADIATIVE POWER CONCENTRATION

Publication Number WO/2020/092876
Publication Date 07.05.2020
International Application No. PCT/US2019/059342
International Filing Date 01.11.2019
IPC
F21V 8/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
8Use of light guides, e.g. fibre optic devices, in lighting devices or systems
CPC
F21S 11/002
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
11Non-electric lighting devices or systems using daylight
002characterised by the means for collecting or concentrating the sunlight, e.g. parabolic reflectors or Fresnel lenses
G02B 19/0042
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
19Condensers, ; e.g. light collectors or similar non-imaging optics
0033characterised by the use
0038for use with ambient light
0042for use with direct solar radiation
G02B 6/002
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
0001specially adapted for lighting devices or systems
0011the light guides being planar or of plate-like form
0013Means for improving the coupling-in of light from the light source into the light guide
0015provided on the surface of the light guide or in the bulk of it
002by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
G02B 6/0046
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
0001specially adapted for lighting devices or systems
0011the light guides being planar or of plate-like form
0033Means for improving the coupling-out of light from the light guide
0035provided on the surface of the light guide or in the bulk of it
0045by shaping at least a portion of the light guide
0046Tapered light guide, e.g. wedge-shaped light guide
H02S 40/22
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
40Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
20Optical components
22Light-reflecting or light-concentrating means
Applicants
  • ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIVERSITY OF ARIZONA [US]/[US]
Inventors
  • RUIZ DIAZ, Liliana
  • CUI, Sifang
  • NORWOOD, Robert
  • KIM, Kyung-Jo
Agents
  • SIDORIN, Yakov S.
Priority Data
62/754,88702.11.2018US
62/755,00802.11.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEMS FOR RADIATIVE POWER CONCENTRATION
(FR) SYSTÈMES DE CONCENTRATION DE PUISSANCE DE RAYONNEMENT
Abstract
(EN)
Linear acylindrical lens (and array/system employing a plurality of such lens elements) containing liquid silicone rubber material for use in solar applications, as well as a low-cost silicone based optical lightguide(s) configured to channel and concentrate solar light with about 90% optical efficiency. The lens includes a transparent glass substrate (with an optional coating), which mechanically supports a moldable flexible silicone lenslet optical quality and is bonded to it with the use of plasma and in absence of adhesive material. When injection molding of lightguide(s) is employed, the lightguide shape can be formed variably to provide for integration of multiple lightguide s into an array with alignment tolerances that are looser than in a solar concentrator employing glass waveguides. Optical system employing such (arrayed) linear lens(es) concatenated with corresponding (arrayed) lightguides, juxtaposed with micro- CPV cells and conventional PV-cell(s) to capture diffused light.
(FR)
L'invention concerne une lentille linéaire acylindrique (et un réseau/système faisant appel à une pluralité de tels éléments lentilles) contenant un matériau de caoutchouc silicone liquide destiné à être utilisé dans des applications solaires, ainsi qu'un ou plusieurs guides de lumière optiques à base de silicone à faible coût conçus pour canaliser et concentrer la lumière solaire avec un rendement optique d'environ 90 %. La lentille comprend un substrat en verre transparent (doté d'un revêtement facultatif), qui supporte mécaniquement une qualité optique de microlentille de silicone souple moulable et qui est liée à ce dernier par l'utilisation d'un plasma et en l'absence de matériau adhésif. Lors de l'utilisation d'un moulage par injection d'un ou de plusieurs guides de lumière, la forme de guide de lumière peut être façonnée de manière variable pour fournir l'intégration de multiples guides de lumière dans un réseau avec des tolérances d'alignement qui sont plus grandes que dans un concentrateur solaire employant des guides d'ondes en verre. L'invention concerne en outre un système optique employant une ou plusieurs de ces lentilles linéaires (organisées en réseau) concaténées avec des guides de lumière correspondants (disposés en réseau), juxtaposés à des microcellules CPV et à une ou plusieurs cellules PV classiques pour capturer la lumière diffusée.
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