WO2019106554A1 - Device for the conversion of light radiation into electric energy - Google Patents

Device for the conversion of light radiation into electric energy Download PDF

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Publication number
WO2019106554A1
WO2019106554A1 PCT/IB2018/059394 IB2018059394W WO2019106554A1 WO 2019106554 A1 WO2019106554 A1 WO 2019106554A1 IB 2018059394 W IB2018059394 W IB 2018059394W WO 2019106554 A1 WO2019106554 A1 WO 2019106554A1
Authority
WO
WIPO (PCT)
Prior art keywords
light radiation
fact
electric energy
hollow body
optoelectronic
Prior art date
Application number
PCT/IB2018/059394
Other languages
French (fr)
Inventor
Alfredo Chiacchieroni
Original Assignee
Enerlight Projects Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Enerlight Projects Limited filed Critical Enerlight Projects Limited
Priority to EP18833293.6A priority Critical patent/EP3743996A1/en
Publication of WO2019106554A1 publication Critical patent/WO2019106554A1/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/20—Optical components
    • H02S40/22—Light-reflecting or light-concentrating means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/52—PV systems with concentrators

Definitions

  • the present invention relates to a device for the conversion of light radiation into electric energy.
  • LEDs light emitting diodes
  • LEDs emit light radiation when subjected to a difference in potential sufficient to trigger the migration of electrons within the LED junction.
  • the LED produces electricity if it is invested by a radiation with the same frequency (or wavelength) as it would emit if a difference in potential were applied onto it.
  • the phenomenon described above is linked to the electroluminescent properties of the photosensitive materials that can be used in LEDs such as e.g. semiconductors, and can be used to convert light radiation (solar light or other light) into electric energy.
  • the patent document EP2858120 illustrates a LED module capable of converting natural or artificial light into electric energy.
  • the module comprises a plurality of LEDs stacked to form vertical columns adapted to receive light radiation and connected in such a way as to return electric energy.
  • the LEDs used to form the vertical columns are of the traditional LED type, having a LED junction inserted in a dome- shaped optical lens and mounted on a body at the base of the lens and adapted to close it.
  • the LED junction is made of semiconductor material, e.g. Gallium or Zinc or Arsenic-based compounds or other photosensitive materials, and is connected to an anode and to a cathode in order to allow electrons to pass through during light radiation.
  • semiconductor material e.g. Gallium or Zinc or Arsenic-based compounds or other photosensitive materials
  • the LEDs can be connected in series and in parallel in order to obtain columns adapted to provide different values of voltage (V) and current intensity (I).
  • the illustrated module can comprise a plurality of columns that can be connected in series and/or in parallel depending on the voltage and current intensity values to be obtained.
  • the module described in patent document EP2858120 is subject to upgrading.
  • the ratio between the total area occupied by the LED, which coincides with the area of the plan section of the optical lens, and the light-sensitive material area of the LED junction is very high.
  • the presence of the optical lens is misleading as it determines a reflection and refraction of the incident light wave, preventing a direct correlation between the amount of incident radiation and the amount of electric energy produced.
  • the main aim of the present invention is to provide a device for the conversion of light radiation into electric energy that allows efficient and low-cost electric energy production.
  • One object of the present invention is to provide a device for the conversion of light radiation into electric energy versatile to use.
  • Another object of the present invention is to provide a device for the conversion of light radiation into electric energy which allows overcoming the aforementioned drawbacks of the prior art within the scope of a simple, rational, easy, efficient to use and cost-effective solution.
  • Figure 1 is an axonometric view of a detail of the device according to the invention.
  • Figure 2 is a sectional view of the device according to the invention.
  • Figure 3 is an axonometric view of the device according to the invention.
  • Figures 4 and 5 are axonometric views of different conformations of the device according to the invention.
  • Figures 6 and 7 are axonometric views of assemblies of the device according to the invention.
  • Figure 8 is an axonometric view of a module for the conversion of light radiation into electric energy according to the invention.
  • reference numeral 1 globally indicates a device for the conversion of light radiation into electric energy.
  • the device 1 comprises a hollow body 2 provided with an input opening 3 adapted to allow light radiation 4 to enter, and with at least one reflective inner wall 5 adapted to reflect the light radiation 4 inside the body itself.
  • the inner wall 5 is mirrored so that it can reflect almost the totality of the light radiation incident on it.
  • the hollow body 2 has a polyhedral inner conformation, i.e. it comprises an inner wall 5 defined by a plurality of flat surfaces 6 delimiting a polyhedral inner cavity.
  • the flat surfaces 6, therefore, are facing each other so as to reflect the incoming light radiation 4 several times.
  • the hollow body 2 is completely polyhedral, i.e. the flat surfaces 6 also delimit the outer volume of the body.
  • the illustrated hollow body 2 is of the type of a hollow polyhedron with a triangular base, but multisided polyhedral shapes cannot be ruled out, e.g., with a square base ( Figure 5) or with a pentagonal base or with a greater number of sides.
  • Solutions cannot furthermore be ruled out which provide for a different conformation of the hollow body 2 wherein, for example, only the inner cavity is polyhedral and the outer volume of the body has a different conformation, e.g., cylindrical.
  • the hollow body 2 is cylindrical or irregular or of a shape different from those described above.
  • the device 1 comprises at least one optoelectronic unit 7 comprising at least one LED junction 8 associated with the inner wall 5.
  • the LED junction 8 is the type of a junction commonly used for the production of commercially available LEDs, but solutions cannot be ruled out which involve junctions made in different ways.
  • the LED junction 8 can be made of various types of semiconductor material appropriately doped to create a double layer "p-n".
  • the LED junction 8 is faced inside the hollow body 2 so as to receive light radiation for the production of electric energy.
  • the LED junction 8 hit by light radiation, in fact, being made of appropriately doped semiconductor material, reacts by producing electricity with varying intensity and voltage depending on the frequency of the radiation which hits it.
  • the LED junction 8 is associated with electrical connections, for simplicity not shown in the illustrations, adapted to convey the electricity produced exiting from the LED junction 8.
  • the electrical connections can be made e.g. by means of a cable connected to a positive pole (cathode) and a cable connected to a negative pole (anode), both poles being associated with the LED junction 8.
  • the device 1 comprises electrical connection means, for simplicity not shown in the illustrations, associated with the optoelectronic unit 7 and adapted to electrically connect the device 1 at output.
  • the electrical connection means are associated with the electrical connections described above so as to receive the electric energy produced by the LED junction 8 and convey it out of the device 1, e.g. into a power supply circuit, or into the mains, or into a storage battery or an electric charging circuit for electronic devices.
  • the optoelectronic unit 7 comprises at least two of said LED junctions 8 electrically connected to each other.
  • each of the flat surfaces 6 is associated a LED junction 8, but solutions cannot be ruled out wherein with each inner surface 6 is associated a different number of LED junctions 8.
  • the electrical connections are associated with the LED junctions 8 so as to connect them in series or in parallel, and the electrical connection means are associated with the electrical connections so as to receive the electricity produced by all the connected LED junctions 8.
  • the LED junctions 8 react at the same frequency as the light radiation 4 for the production of electric energy.
  • the term "react”, referring to a LED junction 8, indicates the property of the junction itself to produce electricity when hit by a light radiation having a certain frequency/wavelength.
  • the LED junction 8 generates electricity only for a certain frequency range of the incident light radiation 4.
  • the frequency range is determined by the type of semiconductor material used, e.g. Gallium and Aluminium Arsenide (AlGaAs) reacting at frequency ranges corresponding to red and infrared, and Gallium Nitride (GaN) reacting at frequency ranges corresponding to green and blue.
  • AlGaAs Gallium and Aluminium Arsenide
  • GaN Gallium Nitride
  • the device 1 comprises a plurality of optoelectronic units 7.
  • each of the optoelectronic units 7 comprises at least one LED junction 8 reacting at a relative frequency of the light radiation 4, different for each of the optoelectronic units 7.
  • each optoelectronic unit 7 comprises three LED junctions 8, one for each flat surface 6, reacting at a same frequency of the light radiation 4.
  • the frequency at which the three LED junctions 8 react is different for each optoelectronic unit 7, so as to be able to intercept the widest frequency spectrum of the light radiation 4 entering the device 1, maximizing the production of electricity.
  • the optoelectronic units 7 are arranged at different heights along the hollow body 2, in order to maximize the amount of intercepted light radiation 4.
  • the optoelectronic units 7 are connected in series with each other.
  • the optoelectronic units 7 are connected in parallel with each other.
  • the optoelectronic units 7 are connected in series and/or in parallel with each other according to the values of voltage and current intensity required at output from the device 1.
  • the electrical connection means are associated with the optoelectronic units 7 connected in series/parallel so as to receive the electric energy produced by the optoelectronic units 7 and convey it out of the device 1, e.g. into a power supply circuit, or into the mains, or into a storage battery or into an electric charging circuit for electronic devices.
  • the light radiation 4 enters the device 1 through the input opening 3 and is reflected inside the hollow body 2 by the inner wall 5.
  • Direct or reflected light radiation 4 hits the LED junctions 8 facing inside the hollow body 2.
  • Each LED junction 8 reacts at a certain frequency range of the light radiation 4 and generates electricity.
  • the electricity produced is channelled out of the device 1 by means of the electrical connection means.
  • the device 1 can be associated with other devices 1 for the realization of assemblies 9,10 adapted to convert light radiation into electric energy.
  • the devices 1 are associated to make a vertical column 9.
  • the light radiation 4 entering the column is transformed into electric energy.
  • the devices 1 are associated to make horizontal structures 10, in which at each height several optoelectronic units 7 are present, placed on a same horizontal structure 10.
  • the LED junctions 8 of the optoelectronic units 7 placed on a same plane react at the same frequency as the incident light radiation 4.
  • the device 1 provided, individually or assembled with other devices 1, can be used for the realization of a module for the conversion of light radiation into electric energy, indicated by the reference numeral 11.
  • the module 11 comprises:
  • At least one matrix 12 comprising a plurality of devices 1 defining basic devices la connected in series and forming a plurality of rows which are in turn connected in parallel to output cables 13 associable with an inverter 14 for the conversion of direct current produced by irradiation into alternating current to be supplied to the mains;
  • the module 11 comprises a plurality of basic devices 1 a placed at the base of the module itself, arranged to form several rows defining a basic matrix.
  • the devices 1 are connected in series to each other.
  • each of the basic devices la other devices 1 are stacked to form stacks 15 electrically connected to each other in parallel.
  • the stacks 15 are housed in an enclosure 17 made of extra-strong transparent material, so that they can be used as solar panels.
  • the stacks 15 are associated with a printed circuit 16, common to all the stacks 15, associated with the inverter 14.
  • the provided device occupies a small surface area with respect to traditional systems, allowing a single irradiated surface area to produce more electric energy.
  • the provided device is versatile to use, both because of its small size and because it is easy to fit on other devices to make assemblies of various kinds or entire modules.

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  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The device (1) for the conversion of light radiation into electric energy comprises: - a hollow body (2) provided with an input opening (3) adapted to allow light radiation (4) to enter, and with at least one reflective inner wall (5) adapted to reflect the light radiation (4) inside the hollow body (2); - at least one optoelectronic unit (7) comprising at least one LED junction (8) associated with the inner wall (5) and facing inside the hollow body (2) to receive the light radiation (4) for the production of electric energy; - electrical connection means associated with the optoelectronic unit (7) adapted to electrically connect the device at output.

Description

DEVICE FOR THE CONVERSION OF LIGHT RADIATION INTO ELECTRIC ENERGY
Technical Field
The present invention relates to a device for the conversion of light radiation into electric energy.
Background Art
As is known, light emitting diodes, commonly known as LEDs, emit light radiation when subjected to a difference in potential sufficient to trigger the migration of electrons within the LED junction.
It is also well known that if a LED is irradiated with light radiation, it can produce electricity.
In particular, the LED produces electricity if it is invested by a radiation with the same frequency (or wavelength) as it would emit if a difference in potential were applied onto it.
The phenomenon described above is linked to the electroluminescent properties of the photosensitive materials that can be used in LEDs such as e.g. semiconductors, and can be used to convert light radiation (solar light or other light) into electric energy.
The need is well known to develop industrially reproducible technologies able to exploit this phenomenon to produce electric energy from sunlight efficiently and cost-effectively.
The patent document EP2858120 illustrates a LED module capable of converting natural or artificial light into electric energy.
The module comprises a plurality of LEDs stacked to form vertical columns adapted to receive light radiation and connected in such a way as to return electric energy.
The LEDs used to form the vertical columns are of the traditional LED type, having a LED junction inserted in a dome- shaped optical lens and mounted on a body at the base of the lens and adapted to close it.
The LED junction is made of semiconductor material, e.g. Gallium or Zinc or Arsenic-based compounds or other photosensitive materials, and is connected to an anode and to a cathode in order to allow electrons to pass through during light radiation.
The LEDs can be connected in series and in parallel in order to obtain columns adapted to provide different values of voltage (V) and current intensity (I).
Similarly, the illustrated module can comprise a plurality of columns that can be connected in series and/or in parallel depending on the voltage and current intensity values to be obtained.
The module described in patent document EP2858120 is subject to upgrading. The ratio between the total area occupied by the LED, which coincides with the area of the plan section of the optical lens, and the light-sensitive material area of the LED junction is very high.
In other words, in order to activate a small portion of photosensitive material and, therefore, to obtain electricity from the junction, it is necessary to occupy a much larger space than that of the junction, which is that necessary for the production of electric energy.
Moreover, in order to characterize the junctions in terms of emission frequency, the presence of the optical lens is misleading as it determines a reflection and refraction of the incident light wave, preventing a direct correlation between the amount of incident radiation and the amount of electric energy produced.
This drawback makes industrial production of the module difficult.
Disclosure of the Invention
The main aim of the present invention is to provide a device for the conversion of light radiation into electric energy that allows efficient and low-cost electric energy production.
One object of the present invention is to provide a device for the conversion of light radiation into electric energy versatile to use.
Another object of the present invention is to provide a device for the conversion of light radiation into electric energy which allows overcoming the aforementioned drawbacks of the prior art within the scope of a simple, rational, easy, efficient to use and cost-effective solution.
The aforementioned objects are achieved by the present device for the conversion of light radiation into electric energy having the characteristics of claim 1. Brief Description of the Drawings
Other characteristics and advantages of the present invention will become more evident from the description of a preferred yet non-exclusive embodiment of a device for the conversion of light radiation into electric energy, illustrated by way of an indicative, but non-limiting example, in the attached drawings in which:
Figure 1 is an axonometric view of a detail of the device according to the invention;
Figure 2 is a sectional view of the device according to the invention;
Figure 3 is an axonometric view of the device according to the invention;
Figures 4 and 5 are axonometric views of different conformations of the device according to the invention;
Figures 6 and 7 are axonometric views of assemblies of the device according to the invention;
Figure 8 is an axonometric view of a module for the conversion of light radiation into electric energy according to the invention.
Wavs of carrying out the Invention
With particular reference to such illustrations, reference numeral 1 globally indicates a device for the conversion of light radiation into electric energy.
According to the invention, the device 1 comprises a hollow body 2 provided with an input opening 3 adapted to allow light radiation 4 to enter, and with at least one reflective inner wall 5 adapted to reflect the light radiation 4 inside the body itself.
Usefully, the inner wall 5 is mirrored so that it can reflect almost the totality of the light radiation incident on it.
Advantageously, the hollow body 2 has a polyhedral inner conformation, i.e. it comprises an inner wall 5 defined by a plurality of flat surfaces 6 delimiting a polyhedral inner cavity.
The flat surfaces 6, therefore, are facing each other so as to reflect the incoming light radiation 4 several times.
In the present embodiment, the hollow body 2 is completely polyhedral, i.e. the flat surfaces 6 also delimit the outer volume of the body. In particular, the illustrated hollow body 2 is of the type of a hollow polyhedron with a triangular base, but multisided polyhedral shapes cannot be ruled out, e.g., with a square base (Figure 5) or with a pentagonal base or with a greater number of sides.
Solutions cannot furthermore be ruled out which provide for a different conformation of the hollow body 2 wherein, for example, only the inner cavity is polyhedral and the outer volume of the body has a different conformation, e.g., cylindrical.
Furthermore, solutions cannot be ruled out wherein the hollow body 2 is cylindrical or irregular or of a shape different from those described above.
According to the invention, the device 1 comprises at least one optoelectronic unit 7 comprising at least one LED junction 8 associated with the inner wall 5. Advantageously, the LED junction 8 is the type of a junction commonly used for the production of commercially available LEDs, but solutions cannot be ruled out which involve junctions made in different ways.
Usefully, the LED junction 8 can be made of various types of semiconductor material appropriately doped to create a double layer "p-n".
The LED junction 8 is faced inside the hollow body 2 so as to receive light radiation for the production of electric energy.
The LED junction 8 hit by light radiation, in fact, being made of appropriately doped semiconductor material, reacts by producing electricity with varying intensity and voltage depending on the frequency of the radiation which hits it. The LED junction 8 is associated with electrical connections, for simplicity not shown in the illustrations, adapted to convey the electricity produced exiting from the LED junction 8.
The electrical connections can be made e.g. by means of a cable connected to a positive pole (cathode) and a cable connected to a negative pole (anode), both poles being associated with the LED junction 8.
Other types of electrical connections, known to the state of the art and technically equivalent to the one described above, cannot be ruled out.
According to the invention, the device 1 comprises electrical connection means, for simplicity not shown in the illustrations, associated with the optoelectronic unit 7 and adapted to electrically connect the device 1 at output.
The electrical connection means are associated with the electrical connections described above so as to receive the electric energy produced by the LED junction 8 and convey it out of the device 1, e.g. into a power supply circuit, or into the mains, or into a storage battery or an electric charging circuit for electronic devices.
In the present embodiment, the optoelectronic unit 7 comprises at least two of said LED junctions 8 electrically connected to each other.
With each of the flat surfaces 6 is associated a LED junction 8, but solutions cannot be ruled out wherein with each inner surface 6 is associated a different number of LED junctions 8.
In this case, the electrical connections are associated with the LED junctions 8 so as to connect them in series or in parallel, and the electrical connection means are associated with the electrical connections so as to receive the electricity produced by all the connected LED junctions 8.
Advantageously, the LED junctions 8 react at the same frequency as the light radiation 4 for the production of electric energy.
In this treatise, the term "react", referring to a LED junction 8, indicates the property of the junction itself to produce electricity when hit by a light radiation having a certain frequency/wavelength.
In general, the LED junction 8 generates electricity only for a certain frequency range of the incident light radiation 4.
The frequency range is determined by the type of semiconductor material used, e.g. Gallium and Aluminium Arsenide (AlGaAs) reacting at frequency ranges corresponding to red and infrared, and Gallium Nitride (GaN) reacting at frequency ranges corresponding to green and blue.
Similar considerations can be made for other semiconductor materials reacting at different frequency ranges.
Advantageously, the device 1 comprises a plurality of optoelectronic units 7. Preferably, each of the optoelectronic units 7 comprises at least one LED junction 8 reacting at a relative frequency of the light radiation 4, different for each of the optoelectronic units 7. In the present embodiment, each optoelectronic unit 7 comprises three LED junctions 8, one for each flat surface 6, reacting at a same frequency of the light radiation 4.
The frequency at which the three LED junctions 8 react is different for each optoelectronic unit 7, so as to be able to intercept the widest frequency spectrum of the light radiation 4 entering the device 1, maximizing the production of electricity.
Usefully, the optoelectronic units 7 are arranged at different heights along the hollow body 2, in order to maximize the amount of intercepted light radiation 4. The optoelectronic units 7 are connected in series with each other.
Alternatively, the optoelectronic units 7 are connected in parallel with each other.
Usefully, the optoelectronic units 7 are connected in series and/or in parallel with each other according to the values of voltage and current intensity required at output from the device 1.
The electrical connection means are associated with the optoelectronic units 7 connected in series/parallel so as to receive the electric energy produced by the optoelectronic units 7 and convey it out of the device 1, e.g. into a power supply circuit, or into the mains, or into a storage battery or into an electric charging circuit for electronic devices.
The operation of the present invention is as follows.
The light radiation 4 enters the device 1 through the input opening 3 and is reflected inside the hollow body 2 by the inner wall 5.
Direct or reflected light radiation 4 hits the LED junctions 8 facing inside the hollow body 2.
Each LED junction 8 reacts at a certain frequency range of the light radiation 4 and generates electricity.
The electricity produced is channelled out of the device 1 by means of the electrical connection means.
As shown in Figures 6 and 7, the device 1 can be associated with other devices 1 for the realization of assemblies 9,10 adapted to convert light radiation into electric energy. In Figure 6 the devices 1 are associated to make a vertical column 9.
The light radiation 4 entering the column is transformed into electric energy.
In figure 7, the devices 1 are associated to make horizontal structures 10, in which at each height several optoelectronic units 7 are present, placed on a same horizontal structure 10.
Preferably, the LED junctions 8 of the optoelectronic units 7 placed on a same plane react at the same frequency as the incident light radiation 4.
This way it is possible to connect in series several optoelectronic units 7 of different devices 1 in order to have, for a given frequency, a current intensity higher than that produced by a single device.
Similar considerations can be made for the current voltage connecting the optoelectronic units 7 in parallel.
The device 1 provided, individually or assembled with other devices 1, can be used for the realization of a module for the conversion of light radiation into electric energy, indicated by the reference numeral 11.
According to the invention, the module 11 comprises:
at least one matrix 12 comprising a plurality of devices 1 defining basic devices la connected in series and forming a plurality of rows which are in turn connected in parallel to output cables 13 associable with an inverter 14 for the conversion of direct current produced by irradiation into alternating current to be supplied to the mains;
a plurality of devices 1 stacked on each basic device la to form a stack 15 of devices electrically connected to each other.
In particular, the module 11 comprises a plurality of basic devices 1 a placed at the base of the module itself, arranged to form several rows defining a basic matrix.
For each row, the devices 1 are connected in series to each other.
On each of the basic devices la other devices 1 are stacked to form stacks 15 electrically connected to each other in parallel.
The stacks 15 are housed in an enclosure 17 made of extra-strong transparent material, so that they can be used as solar panels.
The stacks 15 are associated with a printed circuit 16, common to all the stacks 15, associated with the inverter 14.
This way, the electricity produced by the stacks of devices in direct current is converted into alternating current and can therefore be used in distribution networks.
It has in practice been ascertained how the described invention achieves the intended objects and, in particular, the fact is underlined that the provided device allows an efficient and low-cost production of electric energy.
In particular, the provided device occupies a small surface area with respect to traditional systems, allowing a single irradiated surface area to produce more electric energy.
Furthermore, the provided device is versatile to use, both because of its small size and because it is easy to fit on other devices to make assemblies of various kinds or entire modules.

Claims

1) Device (1) for the conversion of light radiation into electric energy characterized by the fact that it comprises:
a hollow body (2) provided with an input opening (3) adapted to allow light radiation (4) to enter, and with at least one reflective inner wall (5) adapted to reflect said light radiation (4) inside said hollow body (2);
at least one optoelectronic unit (7) comprising at least one LED junction (8) associated with said inner wall (5) and facing inside said hollow body (2) to receive said light radiation (4) for the production of electric energy;
electrical connection means associated with said optoelectronic unit (7) adapted to electrically connect the device at output.
2) Device (1) according to claim 1, characterized by the fact said optoelectronic unit (7) comprises at least two of said LED junctions (8) electrically connected to each other and reacting at a same frequency of said light radiation (4) for the production of electric energy.
3) Device (1) according to one or more of the preceding claims, characterized by the fact it comprises a plurality of said optoelectronic units (7).
4) Device (1) according to one or more of the preceding claims, characterized by the fact each of said optoelectronic units (7) comprises at least one LED junction (8) reacting at a relative frequency of said light radiation (4), different for each of said optoelectronic units (7).
5) Device (1) according to one or more of the preceding claims, characterized by the fact said optoelectronic units (7) are arranged at different heights along said hollow body (2).
6) Device (1) according to one or more of the preceding claims, characterized by the fact said optoelectronic units (7) are connected in series to each other.
7) Device (1) according to one or more of the preceding claims, characterized by the fact said optoelectronic units (7) are connected in parallel to each other.
8) Device (1) according to one or more of the preceding claims, characterized by the fact said hollow body (2) comprises an inner wall (5) defined by a plurality of reflecting flat surfaces (6) and delimiting a polyhedral inner cavity.
9) Device (1) according to one or more of the preceding claims, characterized by the fact with each of said flat surfaces (6) is associated at least one of said LED junctions (8).
10) Module (11) for the conversion of light radiation into electric energy characterized by the fact that it comprises:
- at least one matrix (12) comprising a plurality of devices according to one or more of the preceding claims, defining basic devices (la) connected in series and forming at least two rows which are in turn connected in parallel to output cables (13) associable with an inverter (14) for the conversion of direct current produced by irradiation into alternating current to be supplied to the mains;
a plurality of said devices (1) stacked on each said basic device (la) to form a plurality of stacks (15) of devices electrically connected to each other.
PCT/IB2018/059394 2017-11-28 2018-11-28 Device for the conversion of light radiation into electric energy WO2019106554A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18833293.6A EP3743996A1 (en) 2017-11-28 2018-11-28 Device for the conversion of light radiation into electric energy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MTP4384 2017-11-28
MTPT4384 2017-11-28

Publications (1)

Publication Number Publication Date
WO2019106554A1 true WO2019106554A1 (en) 2019-06-06

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WO (1) WO2019106554A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201100915Y (en) * 2007-09-01 2008-08-13 孔浩 Prism solar battery
ITRM20110439A1 (en) * 2011-08-11 2013-02-12 Alfredo Chiacchieroni PATENT DEPOSIT FOR INVENTION FROM THE TITLE "PHOTOVOLTAIC MODULE WITH DIMMING LIGHTS"
WO2014058091A1 (en) * 2012-10-10 2014-04-17 Lee Yun Kee Solar charging apparatus having rack type structure
EP2858120A1 (en) 2013-10-04 2015-04-08 Alfredo Chiacchieroni LED module for the conversion of sunlight or artificial light into electrical energy and method for manufacturing the same
US20170025553A1 (en) * 2015-07-20 2017-01-26 Richard Oh Apparatus for generating power by amplifying sunlight

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201100915Y (en) * 2007-09-01 2008-08-13 孔浩 Prism solar battery
ITRM20110439A1 (en) * 2011-08-11 2013-02-12 Alfredo Chiacchieroni PATENT DEPOSIT FOR INVENTION FROM THE TITLE "PHOTOVOLTAIC MODULE WITH DIMMING LIGHTS"
WO2014058091A1 (en) * 2012-10-10 2014-04-17 Lee Yun Kee Solar charging apparatus having rack type structure
EP2858120A1 (en) 2013-10-04 2015-04-08 Alfredo Chiacchieroni LED module for the conversion of sunlight or artificial light into electrical energy and method for manufacturing the same
US20170025553A1 (en) * 2015-07-20 2017-01-26 Richard Oh Apparatus for generating power by amplifying sunlight

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