EP2350414A1 - Vitre isolante - Google Patents

Vitre isolante

Info

Publication number
EP2350414A1
EP2350414A1 EP09736178A EP09736178A EP2350414A1 EP 2350414 A1 EP2350414 A1 EP 2350414A1 EP 09736178 A EP09736178 A EP 09736178A EP 09736178 A EP09736178 A EP 09736178A EP 2350414 A1 EP2350414 A1 EP 2350414A1
Authority
EP
European Patent Office
Prior art keywords
light
insulating glass
glass pane
emitting elements
control unit
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP09736178A
Other languages
German (de)
English (en)
Inventor
Reinhard Cordes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2350414A1 publication Critical patent/EP2350414A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/6612—Evacuated glazing units
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/22—Advertising or display means on roads, walls or similar surfaces, e.g. illuminated
    • G09F19/226—External wall display means; Facade advertising means
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/22—Advertising or display means on roads, walls or similar surfaces, e.g. illuminated
    • G09F19/227—Advertising or display means on roads, walls or similar surfaces, e.g. illuminated on windows
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/006—General building constructions or finishing work for buildings, e.g. roofs, gutters, stairs or floors; Garden equipment; Sunshades or parasols
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/249—Glazing, e.g. vacuum glazing
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/22—Glazing, e.g. vaccum glazing

Definitions

  • the present invention relates to an insulating glass pane and an arrangement of several insulating glass panes. Furthermore, the invention relates to a method for displaying a static or dynamic image by means of an arrangement of several insulating glass panes. Furthermore, the present invention relates to a building facade with an insulating glass pane arrangement.
  • Insulating glass panes are well known. These usually comprise two glass panes, which are arranged by means of spacers plane-parallel to each other and form between them an insulating space, which is usually filled with a noble gas and gas-tight, in particular closed diffusion-tight. Such insulating glass panes are used in windows, but also for the manufacture of particular large-scale glass facades of buildings such. B. office buildings used. The insulating glass insulates the corresponding building to the outside and at the same time allows - depending on the coating of the insulating glass - the view through the respective insulating glass pane and the incidence of daylight through the insulating glass pane.
  • Facades are usually used very large display devices for displaying texts, images, videos and the like. These are usually mounted as an opaque LED (light emitting diode) wall on the facade.
  • LED light emitting diode
  • an RGB LED LED with red, green and blue components
  • a corresponding group of several single-color LEDs represents a pixel, so a large number of individual pixels represents an overall image.
  • the lack of transparency of such displays has the disadvantage that the application is only limited to areas at which the viewing from the inside of the building is not given anyway or is lost.
  • such a display due to its very large depth, which can be in the range of 40 cm, massively changes the appearance of a facade.
  • the invention is therefore based on the object for at least one of the disadvantages described to propose an improvement or at least one alternative, in particular to provide an improved or alternative display option for facades or the like.
  • an insulating glass pane according to claim 1 is proposed.
  • the insulating glass according to the invention thus has two by means of spacers plane-parallel and spaced from each other arranged glass panes, which form between them a gas-tight sealed isolation.
  • a plurality of spaced-apart light strips each having a plurality of spaced-apart light-emitting elements are arranged.
  • Each light strip comprises a torsional stiff, in the insulation parallel to the first and second discs traversing carrier. Accordingly, therefore, a solid and stable support for each light strip is arranged across the insulation space reaching.
  • An insulating disk according to the invention may also have three or more disks arranged parallel to one another, so that two or more insulating spaces are formed plane-parallel to one another. Luminous strips can be arranged in one or more of these isolation rooms.
  • the invention is in fact based on the finding that, even with stable and easily visible light strips, a high degree of transparency of the insulating glass pane can be achieved overall. In addition, however, the visibility of the luminous strip also depends on further boundary conditions. In the case of a mirrored insulating glass pane, even with the light strip switched off, this and its structure are barely visible from the mirrored side. It should be added that such insulating glass panes are intended for the use of large facades and anyway an outside viewer sees the facade and thus the insulating glasses usually from a large distance and even then hardly perceives the luminescent strips and their construction or not at all.
  • each strip of light may be visible, but still high transparency with spaced luminescent strips can be reached and thus still offers a much better view to the outside than if instead of the insulating glass according to the invention an opaque display would be hung in front of the window ,
  • the insulating glass pane according to the invention thus provides a display integrated in the insulating glass, which uses the glazing belonging to a facade.
  • facades have only a few or no glazed areas, it is also possible to use these surfaces as a large display by means of a curtain wall, whereby the façade structure may still be easily recognizable when switched off, depending on the windows used
  • the insulating glass according to the invention in principle a high transparency can be achieved.
  • the light strips and thus the corresponding components such as light-emitting elements and optionally a control electronics or parts thereof are hermetically installed in the insulating glass.
  • the electronics is thus in a room of hardly humid - A -
  • a cleaning can be done by a conventional facade cleaning - which is usually carried out anyway.
  • a screen composed of one or more panes of insulating glass can basically shine like the first day.
  • the carrier is prepared to supply an electrical supply current for supplying the light-emitting elements with electrical energy.
  • the supply current in this context preferably comprises the current which transmits the required energy for illuminating all the light-emitting elements of the respective luminous strip.
  • the support preferably comprises electrically conductive elements, in particular metal elements such as metal rods or metal layers for guiding a supply current or currents for the light-emitting elements and for mechanically stabilizing the support.
  • metal elements such as metal rods or metal layers have a good electrical conductivity and are - at least compared to thin copper strands or the like - mechanically stable. A double function can thereby be achieved well because mechanically stable metal elements usually also have an electrical conductivity.
  • Metal layers are preferably used as part of a printed circuit board, in particular as the thickest possible layer between two layers of a multilayer printed circuit board.
  • the carrier comprises a printed circuit board, or it is a printed circuit board, so that it consists essentially of a printed circuit board.
  • the circuit board not only has the function to carry printed conductors and / or electrical components, but also to contribute significantly to the mechanical stability of the carrier and thus of the light strip.
  • a multi-layer printed circuit board a high mechanical stability can be achieved.
  • a metal layer is provided for a positive and a negative electrical supply current.
  • lines for data transmission and / or control of the light-emitting elements can be provided.
  • the carrier preferably comprises at least a first and a second metal rod, which run parallel to one another, are mechanically fixed to one another and are electrically insulated from one another. The carrier and thus each light strip are thus formed mechanically stable and thereby - at least in the off state of the light-emitting elements - basically clearly visible through a transparent pane.
  • Under metal rods are elongated elements made of metal, which can also take a significant load in the transverse direction. They may be round or rectangular, in particular square in cross-section. For example, a square cross section with an edge length of 2 mm is considered as an example. However, this is only an example and other and smaller but in particular larger cross sections come into consideration such as a cross section of 3 x 3 or 4 x 4 mm or a rectangular cross section with a similar or the same cross-sectional area.
  • the first and the second metal rod are mechanically firmly connected to each other.
  • the two metal rods thus together form essentially a rigid unit.
  • the connection is basically along the entire length of the metal rods and the metal rods are preferably glued together.
  • an insulating adhesive is used for this purpose.
  • the metal rods according to one embodiment each have a rectangular cross-section and thus four longitudinal sides. The metal rods are then adhesively bonded on one longitudinal side in each case with the insulating adhesive to form a rigid connection. But there are also any other mechanical joining techniques into consideration such as screwing, jamming and laminating, to name just a few examples.
  • the material used for the metal rods is preferably aluminum.
  • Aluminum is quite light, has high thermal conductivity and quite good electrical conductivity.
  • other metals or metal alloys such as copper or brass can be used.
  • LEDs in particular SMD LEDs and / or multicolor LEDs, in particular RGB LEDs, are used as light-emitting elements.
  • Light emitting diodes for which the abbreviated term LED has become common, can also use light
  • LEDs are preferably used in SMD technology (SMD: Surface Mounted Device).
  • SMD Surface Mounted Device
  • multicolor LEDs are used, in which the desired luminescent color can be achieved by a corresponding control.
  • RGB LEDs can combine a red, green and blue component (abbreviated by RGB) substantially arbitrarily, in order thereby to produce optically substantially any color point.
  • a group of LEDs of different colors could be controlled to achieve a similar effect, but usually this takes up a larger space.
  • At least one printed circuit board is mounted on each carrier.
  • Each of these printed circuit boards has at least one of the light-emitting elements and at least one end control unit for driving the light-emitting elements.
  • a light-emitting element or a group of light-emitting elements and a corresponding final control unit are assigned for each pixel and thus for each position.
  • the end control unit thus controls this single or this group of light-emitting elements.
  • the end control unit preferably controls only one light-emitting element, if this is a correspondingly complex element such as a multi-colored LED, in particular an RGB LED. If a plurality of light-emitting elements, in particular a plurality of LEDs, are assigned to one pixel, then these group-forming LEDs can be activated by an end control unit.
  • the printed circuit board is preferably arranged plane-parallel to the first and second disks. As a result, a flatter construction is possible, as when the circuit board is arranged transversely. According to the invention, it has been recognized that any good visibility of such a printed circuit board through a glass pane is not very disturbing.
  • a printed circuit board may preferably be limited to the width of the carrier.
  • a printed circuit board also extends essentially over the entire length of the carrier, whereby this printed circuit board accordingly also accommodates a plurality of final control units and a plurality of light-emitting elements or groups of light-emitting elements for a plurality of pixels.
  • such an elongated circuit board mechanically interrupted and be connected by any electronic connection lines functionally connected to a neighboring circuit board.
  • circuit board may be used to increase mechanical stability or for other reasons e.g. be arranged transversely to the disc plane.
  • each printed circuit board is glued by means of a partially conductive adhesive on the carrier, in particular the two metal rods.
  • a partially conductive adhesive is fundamentally electrically non-conductive, so that no current can flow within an adhesive layer, ie, parallel to a corresponding adhesive surface.
  • the adhesive becomes conductive in the transverse direction-explained by corresponding electrically conductive particles in the adhesive.
  • the printed circuit board can be adhesively bonded to both metal rods at the same time with an adhesive layer, at the same time making it possible to make contact with each of the metal rods without electrically connecting the metal rods to one another.
  • the metal rods are used as electrical supply lines for supplying the light-emitting elements with electrical energy.
  • the metal rods which are used to achieve mechanical stability, in particular torsional or. Torsional stiffness having a large cross-sectional area can thus simultaneously carry a relatively high electric current and thus transmit a large electrical supply power to the light-emitting elements.
  • light strips having a length of at least 1 m, preferably at least 2 m and more preferably at least 2.5 m are proposed.
  • the light-emitting elements can, for example, be arranged at a distance of 5 cm on a light strip, so that 40 light-emitting elements would have to be supplied with electric current on a light strip of 2 m length.
  • the light strips additionally have data lines, in particular 3 or 4 data lines, for supplying the end control units with data for respectively driving the light-emitting element or the group of light-emitting elements.
  • These data lines can be arranged on the printed circuit board and, in the case of use of a plurality of printed circuit boards, can be transmitted on a light strip by means of corresponding electrical contact connections between two adjacent printed circuit boards.
  • the supply lines have a larger cross-section than the data lines.
  • the insulating glass pane is prepared to be supplied with an electrical voltage of about 5V.
  • the end control units and / or the light-emitting elements are adapted to this voltage.
  • the step-down of a higher voltage is thereby not required or not to a significant extent on the light strip at the final control units.
  • the circuit complexity can thus be kept within limits and by using the metal rods as supply lines, the supply of a plurality of light-emitting elements on a light strip is possible even when using a supply voltage of 5 V.
  • the light strips are arranged between a first and a second spacer and attached thereto.
  • the spacers which essentially form a boundary of the insulating space, thus serve at the same time as fastening holders for the light strips.
  • the luminescent strips are basically fixed parallel to each other between an upper and a lower spacer, in particular tensioned.
  • the light strips can be attached to one of the two spacers with its one side substantially inelastic and be resiliently attached to a second end, in particular on the lower spacer.
  • the light strips are thus basically stretched vertically between the two spacers and can compensate for any temperature-induced strains by the intended elasticity.
  • the first metal rod is electrically conductively connected to a first spacer and the second metal rod to the second spacer.
  • the above-described mechanical fastening is thus at least partially non-conductive.
  • the first spacer for the first metal rod has a positive electrical supply current and the second spacer for the second metal rod provide a negative electrical supply current or vice versa. This requires no additional supply line along the spacers.
  • the first and second spacer is formed as a solid metal rod or metal strut or solid metal profile.
  • the light-emitting elements each have an illumination direction to the first or second discs, in particular that the direction of illumination extends transversely to the first and second disc.
  • Light-emitting elements can usually radiate in a generally larger angular range, and not only in one direction as would be the case with laser diodes with appropriate optics.
  • most of the light-emitting elements can be assigned an illumination direction or at least a main illumination direction, which is usually located in the center of the emission area in relation to an emission angle.
  • such an illumination direction is often also averted from a fastening side of the light-emitting element.
  • the light emitting elements are prepared and arranged so that they are substantially transverse to the plane of the first and second disc and not only arranged to illuminate the insulating space.
  • the light-emitting elements from the insulation space shine through one of the two glass panes.
  • some or all of the light strips are arranged parallel to each other at substantially the same distance, in particular at a distance of at least 5 mm, preferably at least 20 mm and / or that the light-emitting elements distributed substantially uniformly over the insulation space are, in particular in a plane plane parallel to the first and second disc. Accordingly, a uniform distribution of the light-emitting elements over the surface of the insulating glass pane is proposed.
  • the light effect of the light-emitting elements can thus act flat, in particular provide an image or section of an image with a plurality of pixels.
  • the light strips are not only provided at the edge, but to distribute substantially uniformly over the entire surface. For optical reasons, it may be advantageous to provide a higher density of light-emitting elements in sections, such as in the edge region of the insulating glass pane. Corresponding edge effects due to non-illuminated facade elements can be taken into account here.
  • the light strips have a constant width, in particular in the range of 2 to 7 mm, preferably 4 mm and / or a maximum thickness from 2 to 7 mm, preferably about 3 mm.
  • the preferred maximum thickness is in the range of 2 to 7 mm, preferably about 3 mm for the light strips.
  • the preferred distance of the first and second disc to each other is 12 to 20 mm, in particular about 16 mm.
  • the isolation space is filled with an insulating gas such as argon.
  • insulating gas such as argon.
  • the filling of the insulating space with a noble gas refers to the next and between the introduced insulating strip remaining free space, the light strips and their individual elements in direct contact with the noble gas are at least partially.
  • An insulating glass pane according to the invention can thus be provided at conventional locations such as facades and their structural arrangement is not or only slightly changeable by the inventive equipment with light strips.
  • insulating glass panes It can existing insulating glass replaced by the invention or in a new building can be used instead of known insulating glass panes according to the invention insulating glass panes.
  • the insulating glass panes according to the invention should have little or no influence on any building statics.
  • the provision of additional holders for the insulating glass panes for displaying static or moving images is basically not necessary.
  • insulating glass panes with basically arbitrary, in particular arbitrarily large dimensions, can also be provided with light strips, such as, for example, a pane size of 2.7 ⁇ 3.5 m or 3.5 m ⁇ 2.7 m, to just one further example call.
  • the insulating glass pane is characterized in that at least one intermediate control unit is provided for receiving an image data signal from a central control unit, for extracting final control data from the image data signal for individual light strips for respectively driving the light emitting elements of the respective light strip and transmitting the final control data the final control units of the respective light strips.
  • an intermediate control unit for several end control units, which are each arranged on a light strip, which receives an overall image data signal and there receives data and extracts and distributed to the end control units.
  • an image data signal basically comprises all image data of an overall image, which is to be represented by means of several light strips and in particular mithiife several insulating glass panes.
  • Each light-emitting element or group of light-emitting elements of an end control unit is prepared to represent a pixel, also called a pixel.
  • Each pixel or pixel is uniquely identified in particular by two-dimensional coordinates.
  • the image data signal originating from the central control unit includes the information for driving each pixel of the entire image or at least one sub-image.
  • the intermediate control unit receives this image data signal and extracts, if appropriate with the aid of a further pre-control unit, the image information relevant to the light strips to which the respective intermediate control unit is connected via data lines.
  • an intermediate control unit extracts the information for the pixels A1 - M250 and supplies it to the 250 columns concerned.
  • the respective luminescent-band-related pixel information is transmitted via the data lines to the respective luminescent strip and used by the respective end control units to drive each light-emitting element or group of light-emitting elements of a pixel.
  • the data lines comprise, according to one embodiment, four individual lines, one each for a clock signal, a latch signal, a data signal and a negative ground line.
  • an intermediate control unit is provided for one disk and up to 175 light strips. Accordingly, an intermediate control unit is connected to a plurality of light strips via data lines.
  • the intermediate control unit - optionally with the aid of a pilot control unit - is prepared to receive the image signal from the central control unit by wireless transmission, optical transmission or wired, such as via a data bus.
  • wireless transmission optical transmission or wired, such as via a data bus.
  • optical transmission data can be transmitted quickly and thus for a large overall picture with many pixels.
  • the use of a wireless transmission is particularly advantageous for saving a plurality of data lines.
  • a plurality of insulating glass panes can be assembled and controlled in a simple manner, for example, on a facade to form a total area, without the facade or the associated building having to be prepared for a corresponding cable laying. If necessary, in the case of large areas, several amplifiers must be provided in order to increase the range of the radio transmission from the central control unit and to achieve all intermediate control units.
  • an insulating glass pane arrangement is proposed with at least two insulating glass panes according to the invention, wherein the insulating glass pane arrangement also comprises a central control unit for providing an image data signal for controlling the representation of a static or dynamic overall image through the light-emitting elements of the insulating glass panes in their entirety.
  • a plurality of insulating glass panes are combined and can be controlled jointly via a central control unit.
  • a dynamic or static overall picture can be displayed.
  • dynamic images such as films and videos or the like as well as dynamic and / or abstract sequences or effects can be displayed as well as writing including marquee.
  • data can be transmitted successively from the central control unit for each time to be displayed.
  • a method according to claim 14 is proposed. Accordingly, a plurality of insulating glass panes are used, for which a central control unit is present.
  • the central control unit generates an image data signal which generates information for driving all the light-emitting elements of the insulating glass arrangement used for display, in particular generates information about each pixel of an image and optionally for each time point to be displayed.
  • Such an image data signal is transmitted via a data bus wired, wirelessly and / or optically from the central control unit to the intermediate control units.
  • the intermediate control units then extract final control data from the image data signal for respectively driving the light emitting elements of the respective light strip.
  • the intermediate control units transfer the extracted end control data to the end controllers of the respective treadmills.
  • the end control units receive the necessary information for driving the respective light-emitting element associated with a pixel or the respective group of light-emitting elements of a pixel. On the basis of these data, each end control unit then controls the light-emitting element assigned to it or the group of light-emitting elements assigned to it, in order to generate the respective image point of the image at the respective time as desired.
  • the respective light strip is first sent an enable and / or start signal to the end control units to control the driving of individual light emitting elements by the respective end control units to represent one pixel of the image by at least one light emitting Element too start, in particular for all Endêtismeen start at the same time.
  • a latch signal can be used.
  • the data for all the pixels can be transmitted to the individual end control units, and the display can then start synchronously by a start signal for all pixels at the same time.
  • the control data transmitted to the end control units can also receive information for several times, in particular for a film sequence.
  • the central control unit and / or the intermediate control units can preferably have image data memories for storing image data of images or image sequences to be displayed.
  • correction values can also be programmed, stored or optionally generated adaptively in the final control units.
  • correction values can also be programmed, stored or optionally generated adaptively in the final control units.
  • a compensation which, for example, compensates for a particularly light, in particular white, area.
  • Such compensation may be made via the central control unit or locally by an intermediate control unit or an end control unit. It can be changed adaptively or fixed.
  • measured values in particular brightness measured values in the region of the insulating glass pane arrangement or in a subarea thereof, are fed back to the central control and / or to intermediate controls, and the control of individual or all light-emitting elements is adapted accordingly.
  • insulating glass panes of different size and shape can be combined.
  • the choice of the respective insulating glass depends essentially on the facade to be equipped with it.
  • the central control unit and the intermediate control units can arbitrarily to different insulating glass pane sizes and thus to different numbers of light strips in an insulating glass pane and to different numbers of light-emitting elements on a light strip, ie in particular to different Light strip lengths are adjusted.
  • an intermediate control unit can also be connected to luminescent strips of different insulating glass panes.
  • an insulating glass is also possible as a light source, for example, by pointing the light-emitting elements of the insulating glass to the interior of a building.
  • This can be advantageous in particular in the case of insulating glass panes arranged in the roof area.
  • an insulating glass pane can be used in such a way that daylight shines through it into the building during the day and, after dark, the illumination of the interior is then made through the inserted insulating glass pane.
  • the invention thus relates to a built-in insulating glass display technology, which makes it possible to realize a display for the presentation of optical content from one or more insulating glass panes.
  • the view from the building even when the display is switched on, is given by a transparency of, for example, at least 80% with a pixel spacing of 2 cm. If such a display, which could also be viewed as a screen, switched off, also the inside of the building is possible.
  • the display can consist of any amount of different sizes of insulating glass. This offers the possibility to integrate the system into existing facades.
  • Each insulating glass pane of the display receives, according to the size and shape of the unit and the desired pixel pitch, a certain number of light strips, which may also be referred to as PCB rows or possibly as PCB rows on which the light emitting elements, their electronic control, including the control of the individual Pixel and forwarding the control signals to the next pixel, and line for the power supply are housed.
  • the correspondingly adapted spacer frame of the insulating glass pane which basically has four interconnected spacers in the case of rectangular insulating glass panes, is used to receive the respective column or row ends and also serves as a conductor for the power supply of the columns. In particular, two of the spacers serve as a conduit for the power supply.
  • the spacer of the insulating glass is also the so-called backplane.
  • This receives from the central control or central control unit of the overall display the image information and forwards these, preferably with the aid of intermediate control units, to the corresponding columns or rows.
  • one or more insulating glass panes can also be understood as a transmedia façade which can be applied as a façade, but also free-standing or suspended, wherein the light-emitting elements, in particular together with the light strips, are installed in such a way that transparency also comes from close proximity preferably at least 80% should be given.
  • an observer can be understood in this context who looks out of the window into which said transmedia facade is introduced.
  • the fixtures in particular the light strips in the insulating glass at a correspondingly large distance of the viewer are clearly perceived neither from the outside nor from the inside.
  • the resolution of the display is sent in a so-called bitstream to the first insulating glass pane by a central control unit which corresponds to the desired optical information of the first image.
  • a central control unit which corresponds to the desired optical information of the first image.
  • a control chip in particular an end control unit of the first pixel, forwards unneeded image information via a bus or data lines to the control chip or to the end control unit of the second pixel. Accordingly, if necessary, a transfer for a third and further pixels follows.
  • the chip controls the associated LEDs, in particular RGB LEDs.
  • image information from a controller of the backplane which may also be an intermediate control unit, is forwarded to the second pane of glass belonging to the display. This process is repeated very quickly to the last insulating glass pane.
  • the image information of the temporally first image is then activated at all pixels and displayed accordingly.
  • the invention uses in particular the existing in a facade insulating glass panes, while a variety of insulating glass panes, also of different size and type are used, such as ordinary transparent insulating glass but also intransparente parapet insulation in which a non-transparent pane in a Level 3 or 4 lies.
  • the maximum size of such a system is almost unlimited. If there are only relatively narrow, opaque areas between the individual glazing units - as is usual with a post-and-beam construction - these are hardly noticeable by the observer's eye due to the overpainting image of the façade. In the case of larger "non-active" areas, such as masonry between individual windows, an electronic brightness adjustment in the border area to these areas allows good fading in.
  • correction values corresponding to each pixel in the terminal control units, in particular the Pixelan Kunststoffchips are programmable.
  • Decisive for the transparency of the display is the pixel pitch and dimensions of the PCB used for the column.
  • the width of the printed circuit board is about 4mm. This results in a pixel spacing of 20mm with a vertical view through the glazing a transparency of 80%.
  • Prior art systems in which light-emitting elements are located outside the insulating glass achieve such transparency at a pixel pitch of 40 mm or more. With a pixel spacing of 40 mm, with the present invention, a transparency of 90%, if viewed vertically, may be achieved.
  • the aforesaid systems outside the insulating glass thus at best achieve a quarter of the resolution for the same area with comparable transparency; this corresponds to a double pixel pitch.
  • an insulating glass pane is used in the façade of buildings or as a suspended or freestanding façade of insulating glass.
  • the technique according to the invention so it is possible to mount the system, in particular the light strips, for example between two plastic plates.
  • mount the system in particular the light strips, for example between two plastic plates.
  • an easily transportable standard size of, for example, 1200mm x 800mm a transportable create a rather insensitive display system for major events.
  • the weight advantage from plastic to glass is serious.
  • Outer pane solar control glass - inner pane heat protection glass Due to the high reflectivity of the outer pane from the outside, the fixtures are no longer visible in daylight from the outside when the display or the light strips are switched off.
  • the invention provides yet another possible application: the system can also be used for the room side and here also in the roof area. This allows the presentation of optical content in the building, but also the use of the system for effect lighting is possible.
  • Figure 1 shows a plan view of an insulating glass pane according to the invention schematically.
  • FIG. 2 shows the plan view of an insulating glass pane according to FIG. 2 in a horizontal arrangement.
  • FIG. 3 schematically shows an insulating glass pane arrangement with six insulating glass panes and a central control unit.
  • FIG. 4 shows a facade with insulating glass panes according to the invention.
  • FIG. 5 shows a detail of a side sectional view of an insulating glass pane according to the invention.
  • FIG. 6 illustrates the transparency and transparency through an insulating glass pane according to the invention.
  • FIG. 7 illustrates the angular divisions of the possible viewing through an insulating glass pane according to the invention.
  • Figure 8 shows schematically the attachment between a light strip and spacers.
  • Figure 9 shows schematically the connection structure of a carrier of a light strip including a printed circuit board in a sectional view.
  • an insulating glass pane 100 is shown schematically with an upper and lower spacer 3, between which a plurality of luminescent strips 1 is attached.
  • the spacers 3 are preferably formed as solid metal rods or profiles, for example, in cross-section T-shaped to hold the luminescent strips 1 and to serve as a power supply.
  • the lateral spacers 2 are essentially required, together with the two spacers 3, to keep the first and second glass panes spaced apart from each other and to seal off an insulating space formed between them in a gas-tight manner.
  • the lateral spacers 2 may be hollow and provided with a desiccant.
  • FIG. 2 clarifies that a vertical installation of the insulating glass pane 100 of FIG. 1 is also possible.
  • the light strips 1 can hereby be stretched horizontally between the spacers 3.
  • the spacers 3 are arranged vertically according to Figure 2, but are designed as solid metal rods to provide a supply current to the light strip 1 can.
  • the insulating glass arrangement 30 of FIG. 3 comprises six insulating glass panes 100 '.
  • Each insulating glass pane 100 ' is provided with a so-called backplane 7 for distributing drive information for individual light strips and the light-emitting elements arranged thereon.
  • the backplane 7 may also each comprise one or more - not shown - intermediate control units.
  • a power supply 8 is provided for each insulating glass pane.
  • a central control unit 4 generates image data for all insulating glass panes 100 ', which form the insulating glass pane assembly 30.
  • the image data are transmitted via the first main data ten réelle 5 of the central control unit 4 to a backplane 7 a first insulating glass pane 100 'passed.
  • the backplane 7 extracts the information relevant to its insulating glass pane 100 'and forwards the image data signal on the connection data line 6 to the backplane 7 of the next insulating glass pane 100'. This process is performed for all insulating glass panes 100 'and also the last insulating glass pane 100 * .
  • the insulating glass pane can be returned to the central control unit 4. On such a feedback, measurement data or feedback data of the individual insulating glass panes 100 'and 100 * or the corresponding backplane 7 can be fed back to the central control unit 4.
  • FIG. 4 shows a facade 40 with a door 41 and various non-inventive window panes 42, which are basically arranged in the ground floor area 12.
  • the diagram of Figure 4 shows the front for the first to third floors in the area 11.
  • Windows of the first to third floor according to area 11 are provided with vertically arranged insulating glass panes 9 and horizontally arranged insulating glass panes 9a according to an embodiment of the invention. Between the insulating glass panes 9 and 9a parts of the façade such as facade support 10 can be seen. The total of 56 insulating glass panes 9 and 9a thus form an overall display for the illustrated facade 40.
  • the insulating glass panes 9 and 9a are arranged in the facade 40 as a regular glazing so basically as a window. It is clear that even from the fact that the first insulating glass panes 9a begin above the ground floor according to area 12, an observer standing in front of the facade must be at a certain minimum distance even to the lowest insulating glass pane 9a and any light strips are hardly visible when switched off ,
  • FIG. 4 is shown only by way of example, and in particular in the case of even larger facades in the lower area, it is possible to leave several floors free and to arrange a large display in a significantly higher area.
  • FIG. 5 shows the construction of an insulating glass pane, of which only a detail is shown in a sectional representation.
  • a first and second glass pane 13, 14 are spaced by means of a plurality of spacers, of which, however, only the spacer 15 can be seen, and arranged parallel to each other.
  • a sealing region 16 is provided, in which a data line, in particular a data bus can be performed.
  • the spacer 15 thus also serves simultaneously as attachment.
  • the luminescent strip 50 comprises two metal bars, of which the first metal bar 21 can be seen, which covers a rear metal bar according to the viewing direction on FIG.
  • a circuit board 20 is fixed by means of a partially electrically conductive adhesive.
  • the printed circuit board 20 is formed as a continuous printed circuit board and comprises a first and second end control unit 19A and 19B. These end control units 19A and 19B are shown only schematically and also each include a multi-color LED as a light-emitting element.
  • the metal rod 21 is electrically conductively connected to the spacer 15.
  • the control data is transmitted from an intermediate control unit 17 via data lines 18 to the printed circuit board 20 and from there forwarded successively to the first end control unit 19A and on to the second end control unit 19B.
  • FIG. 6 schematically shows a person standing in front of an insulating glass pane according to the invention.
  • the view through the insulating glass depends on the distance between two adjacent light strips, based on two adjacent light-emitting elements, which can also be referred to as pixel pitch, the width and the depth of the light strip, if it is simplistically assumed by a rectangular in cross-section light strip, and the distance of the viewer from the insulating glass pane. From these values results a minimum viewing angle ⁇ , above which a view through the insulating glass pane is possible. Accordingly, there is a clearance angle under which can be seen through the disc.
  • a disk width results in which it can at least partially see through the disk and which is referred to below as the transparent width.
  • the relationships are additionally illustrated in FIG. Here it is assumed that the light strips are arranged vertically.
  • a width of 4mm and a depth of 3mm results in a viewing angle ⁇ of 10.7 ° and a clearance angle of 158.5 °.
  • a transparency of 80% can be specified. At a distance of 1 m, this results in a see-through width of 10.5 m and at 5m distance of 52.7 m. If the pixel pitch is increased to 40mm, the viewing angle ⁇ is 4.8 ° and the clearance angle is 170.5 °.
  • the transparency with vertical view can be specified with 90%. At a distance of 1 m, this results in a see-through width of 23.9 m or at 5m distance of 119.7m.
  • a luminescent strip 60 is arranged in the insulating glass pane 62 between a first and a second glass pane 63 and 64.
  • Two final control units with LED 61 are shown symbolically.
  • the glass panes 63, 64 are kept at a distance by means of the upper and lower spacers 65, 66.
  • the upper spacer 65 is T-shaped in cross section and holds the light strip 60 via a first H adapter 67.
  • a splint 68, 69 is provided both for the upper spacer 65 and for the light strip 60, it can also eg a screw can be used.
  • the light strip is attached by means of a second H-adapter 70.
  • the attachment between the second H-adapter 70 and light strip 60 is effected via a split pin 71, whereas the second H-adapter 70 is fixed by a spring 72 and a pin 73 elastically to the lower spacer. Any temperature-related changes in length of the light strip 60 can thus be compensated by the spring 72 without the spring 72 has to carry the weight of the entire light-emitting strip 60.
  • FIG. 9 illustrates in a sectional view the structure of a carrier 80 with attached circuit board 83. Any final control units or light-emitting elements are not shown for clarity.
  • the carrier 80 consists essentially of a first and second metal bar 81, 82, which are glued together by means of an electrically insulating adhesive 84 and thereby form a solid, in particular torsionally rigid construction.
  • the printed circuit board 83 is fixedly connected to the first and second metal rods 81, 82 by means of a partially electrically conductive adhesive 85.
  • the distance from the printed circuit board 83 to the first and second metal rods 81 and 82 is so small that in each case an electrically conductive connection is formed.
  • an electrically conductive connection does not exist in the adhesive 85 along the printed circuit board 83 and thus also not between the first and second metal rods 81, 82.
  • the metal rods 81, 82 can therefore be used as individual galvanically isolated supply lines.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

La présente invention porte sur une vitre isolante, constituée d'un premier et d'un deuxième panneau en verre, le premier et le deuxième panneau étant disposés, à l'aide d'un écarteur, parallèles l'un à l'autre et à une certaine distance l'un de l'autre; entre le premier et le deuxième panneau est réalisé un compartiment isolant qui est rendu étanche aux gaz; dans le compartiment isolant sont disposées plusieurs bandes lumineuses, à distance les unes des autres, chacune comportant plusieurs éléments électroluminescents écartés les uns des autres; chacune des bandes lumineuses comprend un support, rigide en torsion, qui traverse le compartiment isolant parallèlement au premier et au deuxième panneau.
EP09736178A 2008-10-22 2009-10-07 Vitre isolante Withdrawn EP2350414A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810052806 DE102008052806A1 (de) 2008-10-22 2008-10-22 Isolierglasscheibe
PCT/EP2009/063015 WO2010046232A1 (fr) 2008-10-22 2009-10-07 Vitre isolante

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EP2350414A1 true EP2350414A1 (fr) 2011-08-03

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EP09736178A Withdrawn EP2350414A1 (fr) 2008-10-22 2009-10-07 Vitre isolante

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US (1) US9103160B2 (fr)
EP (1) EP2350414A1 (fr)
JP (1) JP5780964B2 (fr)
KR (1) KR101418257B1 (fr)
CN (1) CN101845860B (fr)
AU (1) AU2009306586A1 (fr)
DE (1) DE102008052806A1 (fr)
WO (1) WO2010046232A1 (fr)

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AU2009306586A1 (en) 2010-04-29
JP2012506359A (ja) 2012-03-15
DE102008052806A1 (de) 2010-04-29
CN101845860B (zh) 2014-05-07
WO2010046232A1 (fr) 2010-04-29
US20110261090A1 (en) 2011-10-27
KR101418257B1 (ko) 2014-07-10
KR20110105767A (ko) 2011-09-27
JP5780964B2 (ja) 2015-09-16
CN101845860A (zh) 2010-09-29
US9103160B2 (en) 2015-08-11

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