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EP4057265B1 - Agencement de luminaire, ainsi que procédé de fonctionnement et procédé de fabrication associés - Google Patents

Agencement de luminaire, ainsi que procédé de fonctionnement et procédé de fabrication associés Download PDF

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Publication number
EP4057265B1
EP4057265B1 EP22160804.5A EP22160804A EP4057265B1 EP 4057265 B1 EP4057265 B1 EP 4057265B1 EP 22160804 A EP22160804 A EP 22160804A EP 4057265 B1 EP4057265 B1 EP 4057265B1
Authority
EP
European Patent Office
Prior art keywords
lighting system
color
light sources
lighting
color tone
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.)
Active
Application number
EP22160804.5A
Other languages
German (de)
English (en)
Other versions
EP4057265C0 (fr
EP4057265A1 (fr
Inventor
Lutz NEHRHOFF VON HOLDERBERG
Stephan Wittekind
Florian Kall
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.)
Lightntec GmbH
Original Assignee
Lightntec GmbH
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 Lightntec GmbH filed Critical Lightntec GmbH
Publication of EP4057265A1 publication Critical patent/EP4057265A1/fr
Application granted granted Critical
Publication of EP4057265C0 publication Critical patent/EP4057265C0/fr
Publication of EP4057265B1 publication Critical patent/EP4057265B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G09F27/005—Signs associated with a sensor
    • 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
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/20—Advertising or display means not otherwise provided for using special optical effects with colour-mixing effects
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • G09F2013/222—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs
    • 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
    • G09F2027/001—Comprising a presence or proximity detector

Definitions

  • the invention relates to an arrangement with a visible element which is colored in a first visible element color tone in a first visible element surface area.
  • Such visual elements are used, for example, to mark shops such as petrol stations or company buildings.
  • the first visible element color corresponds to a company color.
  • the visible element can be used to represent a so-called corporate identity.
  • Such visible elements can be unlit or illuminated with spotlights or backlit with integrated lamps.
  • a lighting system which is used to display animations, in particular for advertising purposes.
  • the lighting system has a large number of light sources, a basic structure and a color layer.
  • the light sources are held on the basic structure.
  • the color layer is arranged on the basic structure and has a recess for each of the light sources.
  • the lighting system conveys a color impression determined by the color layer.
  • the lighting system can be illuminated or light representations, in particular animations, can be reproduced.
  • Consistent external presentation using a specific color scheme in line with the respective corporate identity, is of great importance for many companies. On the one hand, this can serve to draw customers' attention to the respective company, especially its sales outlets. On the other hand, the color scheme can serve to differentiate the company from the competition and to make the respective products or services or sales outlets distinguishable.
  • a lighting arrangement is provided.
  • the lighting arrangement can be operated using an operating method according to the invention described below.
  • the lighting arrangement has a visible element.
  • the visible element can be, for example, a facade strip, a pylon, an attic cladding or a part thereof.
  • the lighting arrangement can have a lamp device for backlighting or illuminating the visible element.
  • the visible element is colored in a first visible element surface area in a first visible element color tone.
  • the visible element has the first visible element color tone at least in some areas.
  • the first visible element color tone can correspond to a company color.
  • the visible element can thus enable a passerby or (potential) customer to associate, for example, a shop or a company building with a specific company.
  • the visible element is typically completely non-transparent or completely translucent.
  • the first visible element surface area generally has the same optical transmission properties everywhere.
  • the lighting arrangement further comprises a lighting system with a plurality of light sources.
  • the light sources are preferably light-emitting diodes, in particular RGB-LEDs or RGBW-LEDs or RGBWW-LEDs.
  • the light sources are held on a base structure.
  • the light sources can be point-shaped, with the light sources each having a maximum extension of 5 mm, preferably a maximum of 3 mm.
  • the lighting system also has a color layer.
  • the color layer is arranged on the basic structure.
  • the color layer has a recess for each of the light sources.
  • the recesses are basically transparent and colorless.
  • the surface area of the recesses is at most 30%, preferably at most 20%, particularly preferably at most 10%.
  • a light source is typically assigned exactly one recess.
  • the light sources can be arranged in the recesses or (when looking at the color layer) behind the recesses.
  • the color layer surrounds the light sources.
  • the lighting system can have a DE 20 2020 103 772 U1
  • the description of the lighting system in DE 20 2020 103 772 U1 The lighting system can be obtained by a manufacturing method according to the invention described below.
  • the lighting system and the visual element are generally arranged adjacent to one another.
  • the lighting system and the visual element are arranged such that they can be perceived together when viewed along a visual axis.
  • a distance between the lighting system and the visual element can be at most 100 m, in particular at most 50 m.
  • the distance between the lighting system and the visual element is typically at most 5 m, preferably at most 2 m, particularly preferably at most 1 m, very particularly preferably at most 0.5 m.
  • the visual element and the lighting system can be directly adjacent to one another.
  • the color layer of the lighting system is colored in a first lighting system color tone in a first lighting system surface area.
  • the color layer has the first lighting system color tone at least in some areas.
  • the first lighting system color and the first visible element color have a different color valence.
  • a color difference Delta E of the first lighting system color and the first visible element color is at least 3.0, preferably at least 4.0, particularly preferably at least 5.0.
  • the first visible element color and the first lighting system color therefore produce a different color perception.
  • the first lighting system color and the first visible element color typically differ by at least one color in a color system, such as a Pantone fan or a RAL color table.
  • the first visible element surface area and the first lighting system surface area with the recesses provided in the first lighting system surface area and the associated light sources produce the same color perception when viewed from a distance.
  • a color difference Delta E of the first visible element surface area and the first lighting system surface area is at most 2.5, preferably at most 2.0, particularly preferably at most 1.0, very particularly preferably at most 0.5.
  • the first visible element surface area and the first lighting system surface area are typically assigned to the same color tone that corresponds to the first visible element color tone in a color system, such as a Pantone fan or a RAL color table.
  • the first lighting system color tone and the first visible element color tone differ from one another in such a way that the first lighting system surface area (with the recesses for the light sources and the associated light sources) and the first visible element surface area produce corresponding color effects when viewed from a distance.
  • the same color tone in particular the same color, is perceived for the first lighting system surface area and the first visible element surface area, although and because the first lighting system color tone and the first visible element color tone differ from one another.
  • a distance from the lighting arrangement required to achieve the same color impression can be a few meters, for example at least 3 m, at least 10 m, or at least 30 m, in particular depending on the size of the lighting system.
  • the The lighting system can be seamlessly integrated into an arrangement with the visible element. When the light sources are switched off, it is not noticeable that the lighting system is designed differently than the visible element.
  • the lighting arrangement can therefore correspond overall to the corporate identity of a company.
  • the light sources make it possible to create light effects.
  • the lighting system reproduces these light effects in the vicinity of the visible element.
  • the switched on light sources outshine the color layer of the lighting system.
  • a light pattern reproduced by the light sources can therefore be perceived, preferably predominantly.
  • the light pattern can be static.
  • the light pattern can be dynamic, i.e. an animation.
  • the light pattern can, for example, be a brightness gradient as it occurs when the visible element is illuminated.
  • the light pattern can include text.
  • the light pattern can stand out visually from the visible element.
  • the light sources are switched off, the fact that the lighting system is set up to emit light signals is hidden - unlike with conventional screens.
  • the color differences Delta E are preferably determined in the DIN99 color space (according to DIN 6176:2001-03).
  • the color differences refer in particular to a switched off state of the light sources of the lighting system and, if applicable, the lamp device of the visible element.
  • the color difference between the first visible element surface area and the first lighting system surface area can refer to a state in which the light sources of the lighting system emit white light.
  • the first visible element surface area and/or the first lighting system surface area typically comprise at least 35%, preferably at least 50%, particularly preferably at least 70%, of a visible surface of the visible element or the color layer.
  • the first visible element surface area and/or the first lighting system surface area can comprise the entire visible surface of the visible element or the entire color layer.
  • the first The visible element surface area and/or the first lighting system surface area can be formed with separate sub-areas or, preferably, contiguously.
  • the surface area of the first visible element surface area and/or the first lighting system surface area is typically at least 0.2 square meters, preferably at least 0.5 square meters, particularly preferably at least 1 square meter, very particularly preferably at least 2 square meters.
  • the visible element can be colored in a second visible element color tone in a second visible element surface area.
  • the second visible element color tone can correspond to another company color.
  • the second visible element surface area generally has the same optical transmission properties everywhere.
  • the color layer can be colored in a second lighting system color tone in a second lighting system surface area.
  • the second lighting system surface area can represent a logo and/or lettering.
  • the second color tone enables a refined optical presentation of the lighting arrangement.
  • the second lighting system color tone and the second visible element color tone have a different color valence.
  • a color difference Delta E of the second lighting system color tone and the second visible element color tone is at least 3.0, preferably at least 4.0, particularly preferably at least 5.0.
  • the second visible element color tone and the second lighting system color tone therefore produce a different color perception.
  • a color difference Delta E of the second visible element surface area and the second lighting system surface area is at most 2.5, preferably at most 2.0, particularly preferably at most 1.0, very particularly preferably at most 0.5.
  • the second lighting system color tone and the second visible element color tone differ from one another in such a way that the second lighting system surface area (with the recesses for the light sources and the associated light sources) and the second visible element surface area produce corresponding color effects when viewed from a distance.
  • the same color tone in particular the same color, is perceived for the second lighting system surface area and the second visible element surface area, although and because the second lighting system color tone and the second visible element color tone differ from one another.
  • the second visible element surface area and/or the second lighting system surface area typically comprise at least 15%, preferably at least 30%, of a visible surface of the visible element or the color layer.
  • the second visible element surface area and/or the second lighting system surface area can be formed with separate sub-areas or contiguously.
  • a surface area of the second visible element surface area and/or the second lighting system surface area is typically at least 0.1 square meter, preferably at least 0.25 square meter, particularly preferably at least 0.5 square meter, very particularly preferably at least 1 square meter.
  • the first lighting system color is darker than the first visible element color.
  • the second and possibly another lighting system color can also be darker than the second or another visible element color.
  • the light sources especially when they are designed as light-emitting diodes, generally appear bright, especially white or light gray, even when switched off. The color impression of the color layer of the lighting system is therefore brightened from a distance by the light sources at the recesses.
  • the lighting system preferably has a control device that is designed to control all light sources of the lighting system individually and independently of one another.
  • the control device makes it possible in particular to control the light sources to reproduce animations.
  • animated representations can be reproduced when the lighting arrangement is in operation by appropriately controlling the light sources.
  • Animations are understood here in particular to mean color or light patterns that change over time, preferably connected.
  • controlling the light sources is understood here in particular to mean switching the light sources on or off, changing the brightness and/or changing the light color.
  • the light sources can be arranged in a regular grid (in regions or as a whole).
  • the light sources can be arranged in rows and columns that are orthogonal to one another.
  • the distance between the light sources of the lighting system can be at least 2 mm, preferably at least 4 mm.
  • the distance between the light sources can be at most 100 mm, preferably at most 40 mm.
  • the distance can be the same everywhere on the lighting system.
  • the second distance is preferably smaller than the first distance.
  • An optical resolution of the lighting system is then greater in the second lighting system surface area than in the first lighting system surface area.
  • the second lighting system surface area can be used in particular to highlight a logo and/or lettering.
  • the lighting arrangement has a sensor device which is designed to determine whether people are in the vicinity of the lighting system.
  • the sensor device can in particular be designed to determine whether the people are moving in the vicinity or remain in stationary positions.
  • the light sources of the lighting system can be controlled depending on the information detected by the sensor device.
  • the sensor device enables the light sources to only be switched on when the lighting effects produced can also be perceived by potential viewers. Unnecessary energy consumption can thus be avoided.
  • the light sources can be switched off when there are no people in the area. Accordingly, the light sources can be switched on when there are people in the area.
  • the light sources can be used to play animations when the people are not moving. Distraction of people who, for example, are taking part in traffic in the area of the lighting arrangement can thus be avoided.
  • the sensor device can detect traffic lights.
  • the first lighting system color tone and, if applicable, the second and further lighting system colors are preferably each a color tone, a white tone or a gray tone.
  • the lighting system is not black (even when the light sources are switched off). This is advantageous for an aesthetically pleasing integration of the lighting system into the lighting arrangement with the visible element and its surroundings.
  • the first visible element color tone and, if applicable, the second and further visible element colors are preferably each a color tone, a white tone or a gray tone.
  • the scope of the present invention also includes an operating method for a lighting arrangement according to the invention as described above. Three operating modes are provided in the operating method.
  • a first operating mode the light sources are switched off.
  • the perception of the lighting system is controlled by the color layer and the light sources arranged in the recesses (but not illuminated).
  • the lighting system blends into the appearance of the visual element.
  • a second operating mode some or all of the light sources emit light constantly.
  • the lighting system is statically illuminated.
  • Some of the light sources can be permanently switched off in the second operating mode.
  • the lighting system can blend in with the appearance of the illuminated or backlit visual element.
  • the lighting system can stand out from the (unlit or only dimly lit) visual element due to the luminous effect of the light sources.
  • the light sources display animations. Some of the light sources can be switched off temporarily or permanently in the third operating mode.
  • the animations allow a location equipped with the lighting arrangement to be highlighted. In particular, the animations can be used to draw attention to current offers.
  • the lighting arrangement can be operated in the first or the second or third operating mode depending on a time of day and/or a brightness in an environment of the lighting arrangement.
  • the first operating mode is preferably activated during the day.
  • the first operating mode can be activated when the brightness in an environment exceeds a predefined limit value.
  • the second and the third operating modes are preferably activated at night.
  • the second and the third operating mode can be activated when the brightness in the environment falls below the limit value.
  • a high brightness light level and a low brightness light level are set up for the second and/or third operating mode.
  • the high brightness light level is only activated when people are in the vicinity of the lighting arrangement.
  • the high brightness lighting level can only be activated if the people remain in the same position in the environment. Otherwise, the low brightness lighting level is activated.
  • This variant of the operating procedure enables adaptive and energy-saving operation of the lighting arrangement.
  • the high brightness lighting level in which the light sources consume more energy, is only activated if the lighting effects generated are expected to be perceived.
  • the lighting arrangement can have a sensor device to detect the people and, if applicable, their movements.
  • the brightness of the emitted light can change over time.
  • the low brightness light level when playing back the otherwise identical animations, less light is emitted on average over time than in the high brightness light mode.
  • the scope of the present invention includes a method for producing a lighting system with a plurality of light sources, preferably light-emitting diodes, which are held on a base structure, and with a color layer which is arranged on the base structure and which has a recess for each of the light sources.
  • the lighting system is preferably used in a lighting arrangement according to the invention described above. The method comprises the steps described below.
  • a reference color is specified.
  • the reference color can be a company color.
  • the reference color can be used as the first visible element color in a lighting arrangement according to the invention.
  • a first lighting system color tone is determined for a first lighting system surface area of the color layer.
  • the determination takes place such that the first lighting system color tone and the reference color tone have a different color valence.
  • the first lighting system color tone and the reference color tone have a color difference Delta E of at least 3.0, preferably at least 4.0, particularly preferably at least 5.0.
  • the first lighting system color tone and the reference color tone differ in a color system, such as a Pantone fan or a RAL color table, typically by at least one color tone.
  • the deviation of the first lighting system color tone from the reference color tone is selected such that the reference color tone and the first lighting system surface area with the recesses provided in the first lighting system surface area and the associated light sources produce the same color perception when viewed from a distance.
  • the first lighting system color tone is determined such that the reference color tone and the first lighting system surface area with the recesses provided in the first lighting system surface area and the associated light sources have a color difference Delta E of at most 2.5, preferably at most 2.0, particularly preferably at most 1.0, very particularly preferably at most 0.5.
  • the first visible element surface area viewed from a distance and the reference color tone are typically assigned to the same color tone that corresponds to the reference color tone in a color system, such as a Pantone fan or a RAL color table.
  • the color layer in the first lighting system surface area is colored with the first lighting system color tone. This ensures that the first lighting system surface area produces the same color impression from a distance as the reference color tone. This enables the lighting system to be used in a location where the reference color tone appears.
  • the lighting system is optically integrated into this location; by switching on the light sources, the appearance of the location can be enriched by the lighting effects of the lighting system.
  • a second reference color tone can be specified.
  • the color layer can then be colored with the second lighting system color tone in a second lighting system surface area analogous to step C). The same applies if necessary for one or more further lighting system colors and one or more further reference colors.
  • the color layer can be applied directly to the base structure.
  • the color layer can be painted or printed onto the base structure.
  • step C the basic structure and the light sources can first be painted with a varnish and then the varnish can be sanded off the light sources. The basic structure around the light sources will then be given the color of the varnish, while the light sources will remain free. This procedure simplifies the application of the varnish.
  • step C the light sources can first be covered with a matrix, then the basic structure can be painted, and finally the matrix can be removed. This ensures that the paint is not applied to the light sources and has to be removed from them.
  • the color layer can be printed onto the basic structure.
  • the printing can be done using digital printing. This procedure is particularly suitable if the color layer is to have several lighting system surface areas with different lighting system colors, and especially if at least one of the lighting system surface areas comprises several non-connected sub-areas.
  • the basic structure and the light sources can then be painted over with a colorless protective varnish. This can soften the protection of the light sources against dust and/or water, for example in accordance with protection class IP44 or IP67.
  • the color layer can be attached to the base structure using a carrier structure that is separate from the base structure.
  • the carrier structure can be spaced apart from the base structure or the base structure can be attached to the base structure in contact, preferably flatly. This enables the use of a base structure that cannot be colored or cannot be colored easily.
  • the entire carrier structure can form the color layer.
  • one or more color films can be provided, preferably in a stack of several, in particular differently colored, films, then the recesses for the light sources are made in the film stack, and finally the film stack with the recesses is attached to the base structure.
  • the recesses can be made in the film stack by plotting or lasering.
  • the layer of paint can be applied to the support structure, in particular painted or printed.
  • a perforated sheet can first be painted and the painted perforated sheet can then be attached to the base structure.
  • the perforated sheet can also increase the stability of the lighting system.
  • the perforated sheet can be made of aluminum.
  • the perforated sheet can, for example, have a thickness of one millimeter.
  • FIG. 1 shows a schematic diagram of a lighting system 10 for a lighting arrangement according to the invention.
  • the lighting system 10 is used to display static and dynamic lighting effects.
  • the lighting system 10 has a plurality of light sources 12.
  • the light sources 12 can be designed as light-emitting diodes.
  • the light sources 12 are designed as RGB LEDs, for example.
  • the light sources 12 are held on a base structure 14.
  • the base structure 14 can be a plastic film.
  • the light sources 12 can be glued to the base structure 14.
  • the light sources 12 can be embedded in the base structure 14. Lines (not shown in more detail) for supplying the light sources 12 with electrical energy can be arranged on the base structure 14, in particular embedded in the base structure 14.
  • the lighting system 10 further comprises a color layer 16.
  • the color layer 16 has a first lighting system color tone.
  • the first lighting system color tone is a color tone, for example blue.
  • the first lighting system color tone could be a white tone or a gray tone.
  • the color layer 16 is applied to a carrier structure 18.
  • the color layer 16 is printed onto the carrier structure 18.
  • the carrier structure 18 can be a transparent plastic film.
  • the carrier structure 18 with the color layer 16 can be arranged on the base structure 14 with the light sources 12 in such a way that a distance is established between the color layer 16 and the light sources 12.
  • the carrier structure 18 and the base structure 14 are glued to one another via spacer elements 20 .
  • the color layer 16 has a recess 22 for each of the light sources 12.
  • the recesses 22 are designed here as interruptions in the colored printing of the carrier structure 18.
  • An extension of the recesses 22 can be essentially as large as the extension of the light sources 12.
  • the recesses 22 are at least as large as the light sources 12, but at most twice as large as the light sources 12.
  • the carrier structure 18 rests against the base structure 14 and the light sources 12 (not shown in detail).
  • the recesses 22 of the color layer 16 are arranged above the light sources.
  • the support structure 18 could be directly bonded to the base structure 14.
  • the lighting system 10 can further comprise a holding structure 24.
  • the holding structure 24 can be designed as a plastic plate.
  • the base structure 14 can be held non-detachably on the holding structure 24.
  • the lighting system 10 can have a transparent cover structure 26.
  • the cover structure 26 is designed here as a clear pane, for example made of acrylic glass.
  • the cover structure 26 can be attached to the support structure 24 via fastening elements 28 .
  • FIG 2 shows a schematic diagram of another lighting system 30 for a lighting arrangement according to the invention.
  • the lighting system 30 of Figure 2 serves as the lighting system 10 of Figure 1 for displaying static and dynamic lighting effects.
  • the lighting systems 10 and 30 are constructed in a similar way. The differences are primarily described below. For the rest, please refer to the above description.
  • the lighting system 30 has a plurality of light sources 12.
  • the light sources 12 can be designed as light-emitting diodes.
  • the light sources 12 are designed as LEDs of different colors, for example.
  • the light sources 12 are held on a base structure 14.
  • a cover structure 26 can be attached to the base structure 14 via fastening elements 28.
  • the lighting system 10 also has a color layer 16.
  • the color layer 16 is applied directly to the base structure 14, for example printed on.
  • the color layer 16 has a recess 22 for each of the light sources 12.
  • the recesses 22 are designed here as recesses 32 which completely penetrate the support structure 18 in the direction of thickness.
  • the light sources 12 are each arranged in one of the recesses 32.
  • the color layer 16 extends here right up to the light sources 12.
  • the color layer 16 is divided here, for example, into a first lighting system surface area 34 and a second lighting system surface area 36.
  • the color layer 16 is colored in a first lighting system color tone.
  • the color layer 16 is colored in a second lighting system color tone.
  • the first and second lighting system colors differ from one another. This is shown in Figure 2 indicated by the different hatching of the color layer 16.
  • the first and second lighting system colors are each color tones, for example red and yellow.
  • the light sources 12 can be embedded in the basic structure 14.
  • the light sources 12 can be flush with the basic structure 14 on the top.
  • FIG 3 shows a schematic diagram of a lighting arrangement 40 according to the invention.
  • the lighting arrangement 40 has a viewing element 42 and a lighting system 30.
  • the lighting system 30 can, for example, be designed as described above in connection with Figure 2 described above. Alternatively, the method used in connection with Figure 1
  • the lighting system 10 described above can be part of the lighting arrangement 40 (not shown in more detail).
  • the lighting system 30 is directly adjacent to the viewing element 42.
  • the visible element 42 can be part of a facade strip.
  • the visible element 42 is divided here into a first visible element surface area 44 and a second visible element surface area 46.
  • the visible element 42 is colored in a first visible element color.
  • the visible element 42 is colored in a second visible element color.
  • the two visible element colors differ from one another.
  • the first visible element color can be a yellow tone, for example.
  • the second visible element color can be a red tone, for example.
  • the lighting system 30 is divided into a first lighting system surface area 34 and a second lighting system surface area 36 corresponding to the viewing element 42.
  • the first surface areas 34, 44 and the second surface areas 36, 46 are separated from one another here by a common dividing line 52 of the lighting arrangement 40, for example.
  • the lighting system 30 extends vertically upwards and downwards beyond the viewing element 42.
  • the viewing element 42 and the lighting system 30 could be flush with one another in the vertical direction.
  • the lighting system 30 and the viewing element 42 could be arranged at a distance from one another and/or vertically offset from one another (also not shown in more detail).
  • the light sources 12 of the lighting system 30 are arranged in a regular grid of mutually orthogonal rows and columns. In these two directions, the same or different distances can be provided between the light sources 12. In the present case, the same distances are set up in the vertical and horizontal directions.
  • the first lighting system surface area 34 the light sources 12 each have a first distance 54.
  • the second lighting system surface area 36 the light sources 12 each have a second distance 56.
  • the second distance 56 is smaller here than the first distance 54.
  • the first distance 54 can be 20 mm, for example.
  • the second distance 56 can be 16 mm, for example.
  • the distances 54, 56 can be measured between the center points of the light sources 12.
  • the light sources 12 of the lighting system 30 are surrounded by a color layer 16.
  • the light sources 12 are each arranged in recesses 22 of the color layer 16.
  • the color layer 16 has a first lighting system color tone.
  • the color layer 16 has a second lighting system color tone.
  • the two lighting system colors differ from each other.
  • the first lighting system color can be a yellow tone, for example.
  • the second lighting system color can be a red tone, for example.
  • the first and second lighting system colors differ from the first and second visible element colors, respectively.
  • a color difference Delta E between the first lighting system color and the first visible element color, as well as between the second lighting system color and the second visible element color, can be greater than 4 in each case.
  • the first lighting system color and the first visible element color, or the second lighting system color and the second visible element color can each differ by at least two colors.
  • the two lighting system colors are each darker than the corresponding visible element colors.
  • the yellow of the first lighting system surface area 34 is thus a darker yellow than the yellow of the first visible element surface area 44;
  • the red of the second lighting system surface area 36 is a darker red than the red of the second visible element surface area 46.
  • a body color of the light sources 12 designed as light-emitting diodes is a shade of white. From a distance, the color layer 16 therefore appears lightened.
  • the difference between the lighting system colors and the visible element colors is selected such that when viewed from a distance, for example from at least 10 m away, the mutually assigned surface areas 34 and 44 or 36 and 46 each convey the same color impression. In other words, when the light sources 12 are switched off, the colors of the two lighting system surface areas 34, 36 cannot be distinguished from the colors of the corresponding visible element surface area 44, 46 from a distance.
  • a color difference Delta E between the first visible element color and the mixed color obtained from the first lighting system color and the light sources 12 arranged in the first lighting system surface area 34 can be less than 1.5.
  • a colour difference Delta E between the second visible element colour and the colour resulting from the second lighting system colour and the colour in the second lighting system surface area 36 arranged light sources 12 is less than 1.5.
  • the same color tone of a color system for example a Pantone fan
  • the same color tone of the color system for example the Pantone fan
  • the second visible element surface area 46 and the second lighting system surface area 36 namely the color tone of the color system corresponding to the second visible element color tone.
  • a control device 58 of the lighting arrangement 40 is also shown.
  • the control device 58 serves for the synchronized control of all light sources 12 of the lighting system 30.
  • the control device 58 can be designed to switch the light sources 12 on and off independently of one another or preferably to dim them at short time intervals, for example with a repetition rate of at least 30 Hz, in particular 60 Hz, and optionally to select the light color emitted by the light sources 12.
  • the control device 58 also makes it possible to switch on some or all of the light sources 12 for static lighting.
  • the control device 58 can be connected to the lighting system 30 via one or more control lines 60.
  • a connection cable 62 can be provided on the control device 58 to supply power to the lighting system 30.
  • the lighting arrangement 40 here also has a sensor device 64.
  • the sensor device 64 can be integrated into the control device 58 or connected to it.
  • the sensor device 64 makes it possible to detect whether persons are in the vicinity of the lighting arrangement 40, for example in less than 100 m distance from the lighting arrangement 40. In particular, the sensor device 64 can detect whether the persons are moving or whether they remain in one position for a predetermined period of time, for example a few seconds.
  • the sensor device 64 also makes it possible to measure brightness in the surroundings of the lighting arrangement 40.
  • the sensor device 64 can have a brightness meter (not shown in detail).
  • the brightness meter is preferably arranged such that it does not detect the light emitted by the light sources 12 and, if applicable, a lamp device of the viewing element 42.
  • the operating method comprises three operating modes 102, 104, 106.
  • the control device 58 can be used to switch between the operating modes 102, 104, 106.
  • In the first operating mode 102 all light sources 12 of the lighting system 30 are switched off.
  • In the second operating mode 104 some or all of the light sources 12 are switched on to emit a light that is unchanging in color and brightness (for the operating duration of the second operating mode 104).
  • In the third operating mode 106 at least some of the light sources 12, preferably all of the light sources 12, change their light color and/or brightness so that the light sources 12 reproduce an animation.
  • the first operating mode 102 is activated when the brightness detected by the sensor device 64 exceeds a limit value. If the brightness detected by the sensor device 64 falls below the limit value, the system switches to the second or third operating mode 104, 106.
  • the second operating mode 104 can be active as long as the sensor device 64 detects that there are no people in the vicinity of the lighting arrangement 40.
  • the third operating mode 106 can be active when the sensor device 64 detects that there are people in the vicinity of the lighting arrangement 40. Alternatively, for example, in predetermined time intervals between the second and the third operating mode 104, 106.
  • Two lighting levels 108, 110 can be set up for the second and third operating modes 104, 106.
  • the light sources 12 shine with a lower brightness.
  • the light sources 12 shine with a greater brightness.
  • the second and third operating modes 104, 106 can be set up in such a way that the second lighting level 110 with greater brightness is only activated when the sensor device 64 detects that people are in the vicinity of the lighting arrangement 40.
  • the second lighting level 110 with the greater brightness can only be activated when the people are stationary in the vicinity of the lighting arrangement 40. Otherwise, the first lighting level 108 with lower brightness can be activated.
  • Figure 5 shows a flow chart of a manufacturing process with which the lighting system 30 for the lighting arrangement 40 of Figure 3 can be obtained.
  • a first step 202 one or more reference color tones are specified.
  • the reference color tones correspond to visible element color tones in visible element surface areas 44, 46 of a visible element 42, together with which the lighting system 30 is to form the lighting arrangement 40.
  • a lighting system color tone is determined for each of the reference colors. The determination is made in such a way that the lighting system colors differ from the respective assigned reference color tone, but that the lighting system surface areas 34, 36 - after they have received a color layer in the respective lighting system color tone in a step 206 - together with the respective associated light sources 12 produce the same color effect at a distance as the corresponding Reference colors.
  • a color difference Delta E between the reference colors and the associated lighting system colors can be more than 4 in each case.
  • a color difference Delta E between the reference colors and the associated lighting system surface areas 34, 36 (with the respective proportions of the color layer 16 and light sources 12) can be less than 1.5 in each case.
  • the invention relates to a lighting arrangement with a visible element and a lighting system.
  • the visible element is kept in a first visible element color tone at least in some areas.
  • the lighting system has a large number of light sources, in particular light-emitting diodes.
  • the light sources can emit light through recesses in a color layer.
  • the color layer can surround the light sources or be arranged at a distance in front of the light sources.
  • the color layer is kept in a first lighting system color tone at least in some areas. When viewed up close, the first visible element color tone and the first lighting system color tone differ. When viewed from a distance, a lighter color is perceived for the lighting system due to the light sources shining through the recesses, even when the light sources are switched off.
  • the recesses and the light sources are basically so small that they cannot be perceived individually from a distance. Instead, a mixed color is perceived for the lighting system, which corresponds to the first visible element color tone.
  • the lighting system can thus be attached to the visible element indistinguishably in terms of color.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Claims (15)

  1. Agencement de luminaire (40) présentant,
    - un élément de visualisation (42) qui est coloré dans une première teinte d'élément de visualisation dans une première région de surface d'élément de visualisation (44),
    - un système de luminaire (10 ; 30) comprenant une pluralité de sources de lumière (12), de manière préférée des diodes électroluminescentes, qui sont retenues sur une structure de base (14), et comprenant une couche de couleur (16) qui est agencée sur la structure de base (14) et qui présente un évidement (22) pour chacune des sources de lumière (12),
    la couche de couleur (16) étant colorée dans une première teinte de système de luminaire dans une première région de surface de système de luminaire (34),
    caractérisé en ce que
    la première teinte de système de luminaire et la première teinte d'élément de visualisation présentent un écart de couleur Delta E d'au moins 3,0, de manière préférée d'au moins 4,0, de manière particulièrement préférée d'au moins 5,0,
    et la première région de surface d'élément de visualisation (44) et la première région de surface de système de luminaire (34) avec les évidements (22) prévus dans la première région de surface de système de luminaire (34) et les sources de lumière (12) associées présentent un écart de couleur Delta E d'au plus 2,5, de manière préférée d'au plus 2,0, de manière particulièrement préférée d'au plus 1,0, de manière particulièrement préférée d'au plus 0,5.
  2. Agencement de luminaire (40) selon la revendication 1, caractérisé en ce que
    l'élément de visualisation (42) est coloré dans une seconde teinte d'élément de visualisation dans une seconde région de surface d'élément de visualisation (46),
    la couche de couleur (16) du système de luminaire (30) est colorée dans une seconde teinte de système de luminaire dans une seconde région de surface de système de luminaire (36),
    la seconde teinte de système de luminaire et la seconde teinte d'élément de visualisation présentant un écart de couleur Delta E d'au moins 3,0, de manière préférée d'au moins 4,0, de manière particulièrement préférée d'au moins 5,0,
    et la seconde région de surface d'élément de visualisation (46) et la seconde région de surface de système de luminaire (36) avec les évidements (22) prévus dans la seconde région de surface de système de luminaire (36) et les sources de lumière (12) associées présentant un écart de couleur Delta E d'au plus 2,5, de manière préférée d'au plus 2,0, de manière particulièrement préférée d'au plus 1,0, de manière particulièrement préférée d'au plus 0,5.
  3. Agencement de luminaire (40) selon l'une quelconque des revendications précédentes, caractérisé en ce que la première teinte de système de luminaire est plus sombre que la première teinte d'élément de visualisation.
  4. Agencement de luminaire (40) selon l'une quelconque des revendications précédentes, caractérisé en ce que le système de luminaire (10 ; 30) présente un dispositif de commande (58) conçu pour commander individuellement toutes les sources de lumière (12) du système de luminaire (10 ; 30) indépendamment les unes des autres, en particulier pour la reproduction d'animations.
  5. Agencement de luminaire (40) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un espacement (54, 56) des sources de lumière (12) du système de luminaire (10 ; 30) est d'au moins 2 mm, de manière préférée d'au moins 4 mm, et/ou d'au plus 100 mm, de manière préférée d'au plus 40 mm.
  6. Agencement de luminaire (40) selon l'une quelconque des revendications précédentes, caractérisé en ce que les sources de lumière (12) présentent un premier espacement (54) dans la première région de surface de système de luminaire (34), et en ce que les sources de lumière (12) présentent un second espacement (56) dans une seconde région de surface de système de luminaire (36), le second espacement (56) étant de manière préférée inférieur au premier espacement (54).
  7. Agencement de luminaire (40) selon l'une quelconque des revendications précédentes, comprenant en outre un dispositif de capteur (64) conçu pour déterminer si des personnes se trouvent dans un environnement du système de luminaire (10 ; 30).
  8. Agencement de luminaire (40) selon la revendication 7, caractérisé en ce que le dispositif de détection (64) est conçu pour déterminer si les personnes se déplacent dans ledit environnement ou demeurent au niveau de positions constantes.
  9. Agencement de luminaire (40) selon l'une quelconque des revendications précédentes, caractérisé en ce que la première teinte de système de luminaire est une nuance de couleur, une nuance de blanc ou une nuance de gris.
  10. Procédé de fonctionnement d'un dispositif de luminaire (40) selon l'une quelconque des revendications précédentes,
    les sources de lumière (12) étant éteintes dans un premier mode de fonctionnement (102),
    les sources de lumière (12) émettant une lumière constante dans un deuxième mode de fonctionnement (104),
    et les sources de lumière (12) reproduisant une animation dans un troisième mode de fonctionnement (106).
  11. Procédé de fonctionnement selon la revendication 10, caractérisé en ce que le dispositif de luminaire (40) est utilisé dans le premier mode de fonctionnement (102) ou dans le deuxième ou le troisième mode de fonctionnement (104, 106) en fonction d'une heure de la journée et/ou d'une luminosité dans un environnement du dispositif de luminaire (40).
  12. Procédé de fonctionnement selon la revendication 10 ou 11, caractérisé en ce qu'un étage de luminaire (110) de grande luminosité et un étage de luminaire (108) de faible luminosité sont conçus pour le deuxième et/ou le troisième mode de fonctionnement (104, 106), l'étage de luminaire (110) de grande luminosité n'étant activé que lorsque des personnes se trouvent dans un environnement du dispositif de luminaire (40), en particulier demeurent au niveau de positions constantes dans l'environnement, et l'étage de luminaire (108) de faible luminosité étant activé dans les autres cas.
  13. Procédé de fabrication d'un système de luminaire (10 ; 30) pour un agencement de luminaire (40) selon l'une quelconque des revendications 1 à 9, le système de luminaire (10 ; 30) étant réalisé avec une pluralité de sources de lumière (12), de manière préférée des diodes électroluminescentes, qui sont retenues sur une structure de base (14), et avec une couche de couleur (16) qui est agencée sur la structure de base (14) et présente un évidement (22) pour chacune des sources de lumière (12), comprenant les étapes consistant à :
    A) spécifier (202) une teinte de référence correspondant à une teinte d'élément de visualisation,
    B) définir (204) une première teinte de système de luminaire pour une première région de surface de système de luminaire (34) de la couche de couleur (16), la première teinte de système de luminaire et la teinte de référence présentant un écart de couleur Delta E d'au moins 3,0, de manière préférée d'au moins 4,0, de manière particulièrement préférée d'au moins 5,0, de sorte que la teinte de référence et la première région de surface de système de luminaire (34) avec les évidements (22) prévus dans la première région de surface de système de luminaire (34) et les sources de lumière associées (12) présentent, un écart de couleur Delta E d'au plus 2,5, de manière préférée d'au plus 2,0, de manière particulièrement préférée d'au plus 1,0, de manière particulièrement préférée d'au plus 0,5,
    C) colorer (206) la couche de couleur (16) avec la première teinte de système de luminaire dans la première région de surface de système de luminaire (34).
  14. Procédé de fabrication selon la revendication 13, caractérisé en ce que la couche de couleur (16) est appliquée, en particulier peinte ou imprimée, directement sur la structure de base (14).
  15. Procédé de fabrication selon la revendication 13, caractérisé en ce que la couche de couleur (16) est mise en place au niveau de la structure de base (14) au moyen d'une structure de support (18) séparée de la structure de base (14).
EP22160804.5A 2021-03-11 2022-03-08 Agencement de luminaire, ainsi que procédé de fonctionnement et procédé de fabrication associés Active EP4057265B1 (fr)

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DE202009014028U1 (de) 2009-10-08 2011-02-24 Müller, Gudrun Beleuchtungseinrichtung
DE202012103365U1 (de) 2012-09-04 2013-12-05 Zumtobel Lighting Gmbh Leuchte
US20140304976A1 (en) * 2013-06-13 2014-10-16 Max F. Krawinkel System and Method for Retrofitting Existing Manual Price Signs
KR101503048B1 (ko) * 2014-07-17 2015-03-18 (주) 목산산업 주유시설 조명용 발광모듈 및 이를 이용한 유가표시장치
DE102017213987B4 (de) 2017-08-10 2019-10-24 Audi Ag Verfahren zum Betreiben einer Beleuchtungseinrichtung in einem Kraftfahrzeug; sowie Kraftfahrzeug
KR20190108226A (ko) * 2018-03-13 2019-09-24 장명호 디스플레이 제어 장치 및 이를 구비하는 디스플레이 장치
DE202020103772U1 (de) 2020-06-30 2020-07-08 Lightntec Gmbh Leuchtsystem

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