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1. US20140158183 - Condensing lens array, and solar cell provided with same

Office
United States of America
Application Number 14131745
Application Date 22.05.2012
Publication Number 20140158183
Publication Date 12.06.2014
Grant Number 08993871
Grant Date 31.03.2015
Publication Kind B2
IPC
H01L 31/052
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength, or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
04adapted as photovoltaic conversion devices
052Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
F24J 2/06
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
JPRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR
2Use of solar heat, e.g. solar heat collectors
04Solar heat collectors having working fluid conveyed through collector
06having concentrating elements
F24J 2/08
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
JPRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR
2Use of solar heat, e.g. solar heat collectors
04Solar heat collectors having working fluid conveyed through collector
06having concentrating elements
08having lenses as concentrating elements
G02B 3/00
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
3Simple or compound lenses
G02B 5/04
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
04Prisms
G02B 19/00
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
19Condensers
CPC
F24S 23/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
23Arrangements for concentrating solar-rays for solar heat collectors
F24S 23/30
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
23Arrangements for concentrating solar-rays for solar heat collectors
30with lenses
G02B 3/005
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
3Simple or compound lenses
0006Arrays
0037characterized by the distribution or form of lenses
005arranged along a single direction only, e.g. lenticular sheets
G02B 3/0056
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
3Simple or compound lenses
0006Arrays
0037characterized by the distribution or form of lenses
0056arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
G02B 5/045
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
04Prisms
045Prism arrays
G02B 19/0028
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
19Condensers, ; e.g. light collectors or similar non-imaging optics
0004characterised by the optical means employed
0028refractive and reflective surfaces, e.g. non-imaging catadioptric systems
Applicants Seiji Nishiwaki
Panasonic Intellectual Property Management Co., Ltd.
Inventors Seiji Nishiwaki
Agents Renner, Otto, Boisselle & Sklar, LLP
Priority Data 2011-157194 15.07.2011 JP
2012-012606 25.01.2012 JP
Title
(EN) Condensing lens array, and solar cell provided with same
Abstract
(EN)

A concentrating lens array according to the present disclosure includes a plurality of unit structures arranged at least one-dimensionally. Each unit structure includes: a first surface through which light enters inside of the structure; a second surface which reflects the light that has entered the structure through the first surface; a third surface which reflects the light that has been reflected from the second surface; and a fourth surface which lets the light that has been reflected from the third surface go out of the structure. In each unit structure, the second and third surfaces are located between an incident plane including the first surface and an emitting plane including the fourth surface. At least one of the second and third surfaces reflects the light after having converged the incoming light. When viewed from over the incident plane, the second surface of each unit structure is laid upon the third surface of an adjacent unit structure, and is located closer to the incident plane than the third surface of the adjacent unit structure is.

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