WO2012031576A1 - Unité d'affichage à production photovoltaïque de courant - Google Patents

Unité d'affichage à production photovoltaïque de courant Download PDF

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Publication number
WO2012031576A1
WO2012031576A1 PCT/DE2011/000462 DE2011000462W WO2012031576A1 WO 2012031576 A1 WO2012031576 A1 WO 2012031576A1 DE 2011000462 W DE2011000462 W DE 2011000462W WO 2012031576 A1 WO2012031576 A1 WO 2012031576A1
Authority
WO
WIPO (PCT)
Prior art keywords
display unit
display
unit according
solar cells
materials
Prior art date
Application number
PCT/DE2011/000462
Other languages
German (de)
English (en)
Inventor
Rudi Danz
Original Assignee
Rudi Danz
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 Rudi Danz filed Critical Rudi Danz
Priority to ATA9363/2011A priority Critical patent/AT516334B1/de
Priority to DE112011103000T priority patent/DE112011103000A5/de
Publication of WO2012031576A1 publication Critical patent/WO2012031576A1/fr

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
    • G09F27/007—Displays with power supply provided by solar cells or photocells
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
    • G09F7/16—Letters, numerals, or other symbols adapted for permanent fixing to a support
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
    • G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
    • G09F2007/1873—Means for attaching signs, plates, panels, or boards to a supporting structure characterised by the type of sign
    • G09F2007/1878—Traffic orientation, street markers

Definitions

  • the invention relates to the display and information technology.
  • Display units are devices for the marking of houses (house numbers), roads, motor vehicles, companies, institutions, etc. They are also used as traffic, bidding, warning and prohibition signs, advertising media and information boards or as various markings.
  • Display units generally consist of a housing, which consists of a rear wall, side walls and a windshield, front panel or various identification panels.
  • a solar module For photovoltaic illumination of the display units, corresponding lamps, light-emitting diodes, accumulators (accumulator packs) for storing the solar power and electronic components for its control and switching are accommodated in the housing.
  • accumulators accumulator packs
  • Frequently used display units with photovoltaic power supply are illuminated house numbers that relate their electrical energy from a solar module, which is either roof-shaped arranged as a separate unit on the house number or integrated above the house number number in the display unit (DE 3715943 AI, DE 3825436 AI, DE 102004044181 Al, DE 000009406807 Ul, www, so 1 ar-i n novat i on.
  • An illuminated license plate for house numbers and signs with solar module also describes DE 19523451 AI.
  • the solar module forms the rear wall of the display unit.
  • Illuminated mailboxes equipped with a solar panel are claimed by DE 202007001850 Ul and US 6799716.
  • the main disadvantage of the inventions described is that for their photovoltaic or autonomous operation extra solar module is needed, which takes away a lot of space and is not available in all applications for the display units.
  • the autonomous operation of the display units necessary solar module or solar panel takes away area that is needed elsewhere. If the rear wall of the display unit is designed by a solar module, its applicability is severely limited because it z. B. as a house number on a house wall can not receive radiation for energy conversion or because the back wall itself carries a label.
  • large-area variable displays are described in which the pixels are represented by solar cells with different angles of inclination to the viewer (C. Sommerer, L.Mignnoneau, M.Shamiyeh, Solar Display, A self-sustained communication display, 2008, University of Arts and Industrial Design Linz).
  • the defined adjustment of the angle of inclination of the solar cells required for the graphic representation is realized by servomotors and corresponding electronics.
  • the disadvantages of the invention described initially consist of a complicated and space-filling servomotor technology; It is only suitable for use with large-area displays, since only in this case the space required for the display components is available. A sufficient contrast of the displays is only given on sunny days and in direct sunlight.
  • the present invention provides new display units with photovoltaic power generation in which the display symbols and display features applied to their information carriers, e.g. Digits, letters, pictograms - composed of photovoltaic materials (solar cells) and consist of optically functional layers that lead to a radiation amplification of the solar cells.
  • a separate solar module is no longer necessary in the display units according to the invention.
  • optically transparent substrates made of glass or plastic are used for their information carriers, and solar cell segments in the form of numbers, letters and pictograms are applied to one of the surfaces of the optical substrates.
  • the solar cell segments consist of laser-cut photovoltaic wafers, preferably of silicon or thin-layer applied inorganic or organic thin-film solar cells.
  • all conventional photovoltaic semiconductor materials and thin-film cells made of amorphous and microcrystalline silicon, cadmium telluride, copper indium sulfide (CIS cells) and mixed compounds of the elements copper, selenium, sulfur, indium and gallium are applicable as wafers, the thin-film cells also can be present as films.
  • the surfaces left free by the photovoltaic materials are provided on the optical substrate with optically functional layers composed of white diffusely reflecting materials based on matt paints and fluorescent colors or represented by diffusely reflecting structured surfaces.
  • the optically functional layers represent, on the one hand, display characteristics and, together with the solar cell segments, for the optical contrast on the information carrier. On the other hand, they direct the radiation incident on their surface areas to the solar cell segments and lead there to a current gain. Artificial and solar radiation impinging on the surface of the optical substrate opposite the solar cell segments penetrates the optical substrate and directly reaches the photovoltaically active surfaces of the segment-like arranged solar cells for power generation.
  • the radiation strikes the diffusely reflecting or fluorescent layers after penetration of the optical substrate, is diffusely reflected, in the case of the fluorescent layers converted into long-wave isotropic radiation and, as a result of total reflection within the optical substrate, directed to the adjacent solar cells, where it becomes a lead to significant radiation amplification. That is to say, with the inventive combination of segmentally applied solar cells and optically functional layers on the optical substrate, impinging radiation which does not impinge directly on the solar cell segments contributes significantly to power generation and substantially increases the efficiency of the applied solar cell segments.
  • the combined application of solar cell segments and optically functional layers has the consequence that the display units according to the invention are very efficient in terms of their power generation.
  • a display unit according to the invention as a warning sign to warn against nuclear radiation is used as an information carrier as an equilateral triangle with the edge lengths of about 35 cm and the thickness of 4 mm designed optically transparent substrate 1 made of glass or plastic and brings using FIG of an optical adhesive on the surface of the optical substrate as a pictogram for warning against nuclear radiation segment-like solar cells 2 with electrical back contact made of monocrystalline silicon.
  • the areas left free of the solar cell materials on the optical substrate are coated with a yellow fluorescent layer 3 based on a yellow perylene fluorescent dye dissolved in an acrylate polymer.
  • the yellow fluorescent layer 3 represents a display and design feature of the warning sign.
  • the solar cells may also be directed outwards in special applications.
  • the solar cell segments are electrically connected to the battery located in the housing for power storage. They generate an electric cable of up to 8 watts in direct sunlight.
  • light emitting diodes are arranged behind, above or to the side of the display symbols, which are supplied via the accumulator when needed.
  • the illumination function of the display unit according to the invention functions optimally only if the fluorescent layer applied to the optical substrate as an optically functional layer is partially transparent with an optical transmission in the visible spectral range from 40 to 70% - preferably 55%.
  • the radiation emanating from the light-emitting diodes arranged behind the substrate penetrate the surface regions of the optical substrate covered by the fluorescent layer and emerge to the outside to detect the display symbolism.
  • the areas of the optical substrate, which are covered with the solar cell segments and opaque to the light-emitting radiation stand out with a strong contrast from the partially transparent fluorescent layers and cause the recognition of the display symbols.
  • transmission values between 1% and 20%, preferably 5% are favorable for the functional layers.
  • Thin-film solar cells based on amorphous and microcrystalline silicon or cadmium telluride are well suited with regard to their production technologies to realize the display units according to the invention.
  • the numbers, letters or pictograms required for the information carrier of the display unit are applied to the optical substrates, which may also be in the form of plastic films, by using plasma-assisted deposition (low-pressure coating method) or by vacuum methods with the aid of masks electrically conductive and optically transparent oxide layers are provided as electrical contacts. With the same masks and an electrically conductive layer can be applied as a back contact on the structured solar cells.
  • the structuring and thin-film techniques used make it possible to apply complex photovoltaic active display symbols in the form of solar cells to the optical substrates as information carriers and to realize electrical contacting. It is also possible and favorable, with the aid of masks, first to apply information to the optical substrates, graphics, sequences of letters and numbers, and pictograms using white, diffusely reflecting or colored coatings, to remove the masks, and then to route the solar cells to the optical cells To seal substrates. In this way, for example, creates a display unit with white lettering and blue background in the form of solar cell materials. Using similar technology, these structures are also applied directly to the solar cells.
  • first thin-film solar cells 2 for shaping the numbers and letters are applied to the electrically conductive and transparent surface of the thin-film process using masks applied to both optical substrates 1.
  • the optically functional layer used is a diffusely reflecting opal-like or white lacquer coating 3 based on the light-scattering pigments barium sulfate and / or titanium dioxide with an optical transmission of 55%, which leads to a radiation amplification on the structured solar cells.
  • the optical substrates 2 are reversed applied to the optical substrates, as they show after mounting the substrates as windscreens of a housing in its interior and only then viewed from the outside in their for the viewer to recognize correct representation.
  • housings for house numbers and license plates required for lighting accumulators, light-emitting diodes and electronic components are housed.
  • the motor vehicle license plates according to the invention generate electric power for their own lighting, which can also be used for sensors arranged in the vicinity of the license plate or is fed into the vehicle electrical system.
  • the display units according to the invention provide electrical power for the operation of sensors, mechanical and acoustic signal systems (ringing) or electronic components, alarm systems, etc. available.
  • the display symbols and hands of clocks made of photovoltaically active materials can be designed and generate electricity for their autonomous operation.
  • autonomous photovoltaically active display units can be used as logo's, symbols, trademarks, information and advertising carriers for traffic signs, information, prohibition and trademarks as well as for company signs, for motor vehicle and other product symbols, for key rings with lighting function , for garment products, such as illuminated vests, satchels, rucksacks, bags of all kinds, road litis, for mobile phones and mobile computer technology, and as stickers and stickers realize.
  • the invention is also applicable when the photovoltaically active display symbols are applied to non-transparent substrates of metal, plastic, wood or even on an optical diffuser and generate electricity.
  • the display units according to the invention have a number of advantages and technical advantages. For their autonomous operation, no external solar module is needed that takes up space and limits the installation of the display unit in terms of their space requirements and hindered.
  • the solar cell segments and structured thin-film solar cells used for photovoltaic power generation are an integral part of the display unit and provide local electrical power. In addition, additional areas for solar energy generation are created with the invention, which are otherwise not used.
  • the invention substantially extends the potential of photovoltaic applications by providing new hitherto unachievable applications, e.g. autonomously lit timetables and information boards or heated display units that can not fog up and freeze, created.
  • Another advantage of the invention consists in the radiation amplification of the solar cell segments and structured thin-film solar cells, which leads to a significant increase in efficiency of the solar cells and has a very favorable low-light performance.
  • the invention leads to an electrical performance increase of the solar cells used by up to 50%. This positive effect also occurs when the solar cells are partially polluted by dust and other particles when water droplets frozen or liquid or condensation water forms on the solar cells.
  • asymmetrical numbers, such as 66 their application to the optical substrate is reversed, so that they are recognizable from the outside as a real representation of the house number.
  • the same surface of the substrate is then coated with a diffusely reflecting white lacquer layer containing titanium dioxide and / or barium sulfate additives as a scattering agent.
  • the diffusely reflecting lacquer layer conducts the radiation incident on the substrate from the outside to the structured solar cells, where it causes a radiation or current amplification.
  • the optical substrate provided with the structured solar cells and the diffusely reflecting layer is used as a front screen in the housing of the house number, in which light-emitting diodes, an accumulator and electronic components are accommodated.
  • the diffusely reflecting layer is made partially optically permeable by the choice of the concentration of its additives and its thickness with a transmission of 60%.
  • the solar cell segments generate an output of approximately 1.5 watts in direct sunlight.
  • an optically transparent substrate provided with an electrically conductive layer, which for example has the dimensions 60 cm by 80 cm and a thickness of 3 mm.
  • the black informational font, numerals, and other design features are produced by cadmium telluride thin film solar cells on the substrate by patterning them with a vacuum process and providing them with patterned back electrodes.
  • the white background of the information panel is diffused by a white, also applied to the optical substrate.
  • Opaque matt lacquer layer as a functional layer, which also leads to a radiation gain at the structured thin-film solar cells or realized by a surface structuring of the surface of the substrate.
  • the optical substrate provided with the thin-film solar cells and the functional layer is combined as a front panel with a housing for the display unit, in which the further components for autonomous lighting operation of the display unit are housed.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Photovoltaic Devices (AREA)

Abstract

L'invention concerne une unité d'affichage à production photovoltaïque de courant, comprenant un substrat plat (1) sur lequel les chiffres, les lettres, les pictogrammes et autres éléments de conception servant de symboles affichés (2) se composent de matériaux photovoltaïques (cellules solaires) dans le but d'assurer une alimentation autonome en énergie et sont formés de revêtements (3) ou de surfaces à réflexion diffuse et/ou de matériaux fluorescents.
PCT/DE2011/000462 2010-09-11 2011-04-29 Unité d'affichage à production photovoltaïque de courant WO2012031576A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ATA9363/2011A AT516334B1 (de) 2010-09-11 2011-04-29 Anzeigeeinheit mit photovoltaischer Stromerzeugung
DE112011103000T DE112011103000A5 (de) 2010-09-11 2011-04-29 Anzeigeeinheit mit photovoltaischer Stromerzeugung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202010012533.2 2010-09-11
DE202010012533U DE202010012533U1 (de) 2010-09-11 2010-09-11 Anzeigeeinheit mit photovoltaischer Stromerzeugung

Publications (1)

Publication Number Publication Date
WO2012031576A1 true WO2012031576A1 (fr) 2012-03-15

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ID=43123409

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2011/000462 WO2012031576A1 (fr) 2010-09-11 2011-04-29 Unité d'affichage à production photovoltaïque de courant

Country Status (3)

Country Link
AT (1) AT516334B1 (fr)
DE (2) DE202010012533U1 (fr)
WO (1) WO2012031576A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2993386B1 (fr) * 2012-07-16 2015-04-24 Philippe Allart Panneau photoluminescent de jour et luminescent de nuit avec capteur solaire qui emmagasinent l'energie le jour et la restituent la nuit
DE102014103939B4 (de) * 2014-03-21 2016-03-24 Faurecia Innenraum Systeme Gmbh Kraftfahrzeug-Innenverkleidungsteil mit OLED und organischer Photozelle

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3715943A1 (de) 1987-05-13 1988-12-01 Inotec Gmbh Ges Fuer Innovativ Beleuchtete anzeigeeinheit, insbesondere hausnummer, verkehrsschild, werbetraeger od. dgl.
DE3825436A1 (de) 1987-09-11 1989-03-23 Inotec Gmbh Ges Fuer Innovativ Beleuchtete anzeigeeinheit, insbesondere hausnummer, verkehrsschild, werbetraeger
DE9406807U1 (de) 1994-04-23 1994-06-23 Damerow Torsten Elektrisch beleuchtete Hausnummern und Hausnummernschilder
US5435087A (en) 1993-12-15 1995-07-25 Karkar; Maurice N. Solar powered display device
DE19523451A1 (de) 1995-06-28 1995-12-07 Klaus Kuepper Solarelektrisches Kennzeichen
US6046401A (en) * 1999-03-25 2000-04-04 Mccabe; Joseph Christopher Display device integrated into a photovoltaic panel
DE202004003861U1 (de) 2004-03-12 2004-07-01 Hehmann, Mathias Werbe- und Informationsaufsteller mit Photovoltaikanlage
DE202004009885U1 (de) 2004-06-23 2004-08-26 Oblau, Wilfried Solarbetriebenes Beleuchtungssystem
US6799716B1 (en) 2002-05-22 2004-10-05 World Factory, Inc. Solar powered mailbox
DE102004044181A1 (de) 2004-09-13 2006-03-16 Metallwarenfabrik Marktoberdorf Gmbh & Co. Kg Hausnummernanzeigevorrichtung
US20070089784A1 (en) 2005-10-26 2007-04-26 Noh Chang H Solar cell-driven display device and method of manufacturing thereof
FR2896596A1 (fr) * 2006-01-26 2007-07-27 Joel Gilbert Systeme optique pour visualiser une image a la surface d'un panneau solaire
DE202007001850U1 (de) 2007-02-09 2007-08-16 Schröder, Ralf Briefkasten mit integrierter Solar-Hausnummer
US20080178868A1 (en) * 2006-11-29 2008-07-31 Paul Kerr Outdoor solar collector and integrated display panel
WO2010003124A1 (fr) * 2008-07-02 2010-01-07 Laurence Mackler Ensemble de génération d’énergie solaire et son procédé de fourniture

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3715943A1 (de) 1987-05-13 1988-12-01 Inotec Gmbh Ges Fuer Innovativ Beleuchtete anzeigeeinheit, insbesondere hausnummer, verkehrsschild, werbetraeger od. dgl.
DE3825436A1 (de) 1987-09-11 1989-03-23 Inotec Gmbh Ges Fuer Innovativ Beleuchtete anzeigeeinheit, insbesondere hausnummer, verkehrsschild, werbetraeger
US5435087A (en) 1993-12-15 1995-07-25 Karkar; Maurice N. Solar powered display device
DE9406807U1 (de) 1994-04-23 1994-06-23 Damerow Torsten Elektrisch beleuchtete Hausnummern und Hausnummernschilder
DE19523451A1 (de) 1995-06-28 1995-12-07 Klaus Kuepper Solarelektrisches Kennzeichen
US6046401A (en) * 1999-03-25 2000-04-04 Mccabe; Joseph Christopher Display device integrated into a photovoltaic panel
US6799716B1 (en) 2002-05-22 2004-10-05 World Factory, Inc. Solar powered mailbox
DE202004003861U1 (de) 2004-03-12 2004-07-01 Hehmann, Mathias Werbe- und Informationsaufsteller mit Photovoltaikanlage
DE202004009885U1 (de) 2004-06-23 2004-08-26 Oblau, Wilfried Solarbetriebenes Beleuchtungssystem
DE102004044181A1 (de) 2004-09-13 2006-03-16 Metallwarenfabrik Marktoberdorf Gmbh & Co. Kg Hausnummernanzeigevorrichtung
US20070089784A1 (en) 2005-10-26 2007-04-26 Noh Chang H Solar cell-driven display device and method of manufacturing thereof
FR2896596A1 (fr) * 2006-01-26 2007-07-27 Joel Gilbert Systeme optique pour visualiser une image a la surface d'un panneau solaire
US20080178868A1 (en) * 2006-11-29 2008-07-31 Paul Kerr Outdoor solar collector and integrated display panel
DE202007001850U1 (de) 2007-02-09 2007-08-16 Schröder, Ralf Briefkasten mit integrierter Solar-Hausnummer
WO2010003124A1 (fr) * 2008-07-02 2010-01-07 Laurence Mackler Ensemble de génération d’énergie solaire et son procédé de fourniture

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
C.SOMMERER, L.MIGNNONEAU, M.SHAMIYEH, SOLAR DISPLAY, A SELF-SUSTAINED COMMUNICATION DISPLAY, 2008

Also Published As

Publication number Publication date
DE202010012533U1 (de) 2010-11-18
AT516334B1 (de) 2016-06-15
DE112011103000A5 (de) 2013-06-27
AT516334A5 (de) 2016-04-15

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