Electronic display device having signalling apparatus

Abstract

The invention relates to an electronic display device comprising - a screen for displaying information, - a housing for accommodating the screen, and - a transparent screen cover which covers the screen, wherein, when viewed in a normal direction towards the screen, the screen cover protrudes beyond the screen and beyond the housing accommodating the screen, and wherein the screen cover is designed to emit light in a direction which is substantially parallel to the screen.

Description

[0001] title

[0002] Electronic display device with signaling device

[0003] Description

[0004] Technical field

[0005] The invention relates to an electronic display device with a signaling device.

[0006] background

[0007] Electronic display devices are used, for example, in sales areas to display information about products on offer. Typically, a large number of electronic display devices are used for this purpose. In order to better perceive the information with this large number of electronic display devices and / or to draw attention to special information, the electronic display devices have been equipped with signaling devices. For example, WO2019076447A1 discloses an electronic price and / or product display device comprising a reflective screen for displaying information and a signaling device for signaling an internal state or a state change of the display device, visually superimposed on the displayed information directly in the direction of view towards the screen.These electronic price and / or product display devices allow you to draw attention to a product with a light signal. However, it has been shown that the light signals emitted for this purpose are often not perceived if the viewer is not already looking (directly) at the respective electronic price and / or product display device. If the electronic price and / or product display device is mounted particularly high or particularly low on a shelf, for example, it is often ignored despite the signal being emitted. To increase the chance of attracting attention to these locations, a significantly more intense light signal is required, which entails increased energy consumption.Because the electronic price and / or product display device is usually battery-operated, the increased energy consumption is accompanied by an increased need for maintenance because the battery must be replaced or recharged at shorter intervals.

[0008] The invention therefore has for its object to provide an electronic display device in which the aforementioned problems are overcome.

[0009] Summary of the invention

[0010] This object is achieved by an electronic display device according to claim 1. The subject matter of the invention is therefore an electronic display device comprising a screen for displaying information, and a housing for accommodating the screen, and a transparent screen cover which covers the screen, wherein, viewed along a normal direction to the screen, the screen cover protrudes beyond the screen and beyond the housing accommodating the screen, and wherein the screen cover is designed to emit light in a direction which is substantially parallel to the screen.

[0011] The light can thus be emitted from the screen cover, particularly at its edge surfaces (or edge region) of the screen cover, so that the light emitted by the electronic display device is clearly visible not only from the front, i.e. when viewed from the front, but also from the side, from above and / or from below.

[0012] Thus, an electronic display device is provided which enables a particularly perceptible emission of light for the purposes of signalling or attracting attention, etc.

[0013] The measures according to the invention thus have the advantage that an electronic display device is provided for generating a particularly well visually perceptible signal.

[0014] Further, particularly advantageous embodiments and developments of the invention emerge from the dependent claims and the following description. The screen is preferably a flat screen. The screen cover is preferably also flat. Thus, the stated directions apply across the entire screen plane, wherein the screen plane is the plane (front) of the screen observed by an observer. However, a curved screen and / or a curved screen cover can also be used, wherein the stated directions are to be interpreted accordingly with reference to a point on the screen. In the case of a flat screen, the normal direction runs essentially opposite to the viewing direction of an observer who views the electronic display device from the front.

[0015] The electronic display device is therefore designed to emit light essentially parallel to the plane of the screen, i.e. essentially transverse to the normal direction.

[0016] The screen cover has a base surface that is directed towards the screen and a cover surface that is further away from the screen than the base surface. Along the normal direction, the screen cover therefore first has a base surface followed by a cover surface. The base surface can lie directly on the screen or be arranged at a distance from it. Furthermore, the screen cover is delimited on the circumference by an edge surface or side surface that extend between the base surface and the cover surface. The edge surface thus forms the lateral boundary of the screen cover. The edge surface can have different shapes. For example, it can be flat, in particular oriented perpendicular to the base surface or at an angle to the base surface. However, the edge surface can also be rounded or even wavy, etc.

[0017] To enable uninterrupted light propagation to an observer, even if they are not standing directly in front of the screen, the edge surface of the screen cover is freestanding. In the direction parallel to the screen or the outer screen surface, the screen cover is at least partially, preferably completely, unenclosed. The freestanding edge surface of the screen cover is therefore at least partially, preferably completely, unenclosed by any adjacent structures, and particularly preferably also uncovered by any structures.

[0018] The electronic display device is thus designed such that the edge surface of the screen cover is visible from a viewing direction parallel to the screen. In particular, light emitted by the screen cover is thus also clearly visible at this edge surface from a viewing direction parallel to the screen.

[0019] The electronic display device is preferably designed as an electronic product and / or price display, in particular as an electronic price label, referred to in English as an Electronic Shelf Label (ESL). The displayed information is thus preferably product and / or price information. According to the invention, this information can be supplemented by the emitted light. The emitted light can therefore also be used without displaying the product and / or price information.

[0020] Preferably, the electronic display device is designed to be attached to a shelf rail.

[0021] The screen cover is transparent at least to the extent that the screen behind it or any information displayed on it is visible.

[0022] The screen cover can be made of glass or comprise glass. Toughened glass, particularly toughened aluminosilicate glass, is preferred.

[0023] The screen cover preferably consists of or comprises a polymer, in particular a transparent, thermoplastic polymer. For example, polypropylene (PP), polyvinyl chloride (PVC), polyethylene terephthalate (PET), thermoplastic polyurethane (TPU), and / or polyallyl diglycol carbonate (PADC; also known by the designation CR-39) are preferred. Polymethyl methacrylate (PMMA, also known as acrylic glass) is particularly preferred. The screen cover therefore preferably comprises polymethyl methacrylate and is particularly preferably made of polymethyl methacrylate.

[0024] The screen cover is designed to direct or guide incident light to the desired locations, in particular to the edge of the screen cover. The screen cover can therefore be understood as a light guide, at least in part or even entirely. The screen cover thus essentially provides a planar light guide.

[0025] The electronic display device is preferably designed such that the screen cover completely covers the screen. Particularly preferably, the screen cover covers the screen, thus exceeding the edge of the screen and, in particular, extending beyond it. This measure ensures that the screen is particularly well protected against damage. At the same time, the location of the lateral light emission is spatially separated from the screen or its edge and is therefore particularly easily perceptible.

[0026] Furthermore, the electronic display device is preferably designed such that the screen cover covers at least a partial area of ​​the housing. This measure enables the illumination of the side area of ​​the housing adjacent to the screen cover in order to create an attractive lighting effect there. Visually, the illuminated housing area broadens the light emission zone of the screen cover. The illuminated area is thus enlarged. If necessary, a lighting effect can also be achieved in the area of ​​the housing covered by the screen cover.

[0027] According to a first embodiment, the screen cover extends in at least one direction, preferably in two directions, in particular in two opposite directions, or in three directions, particularly preferably in all four directions, to the edge of the housing. This measure allows the emitted light to be perceived even from very flat viewing directions, for example, when an observer is directly below the electronic display device and looks at the downward-facing edge area of ​​the electronic display device. According to this embodiment, the screen cover therefore preferably covers the entire surface of the screen and the housing adjoining the screen.

[0028] According to a second embodiment, the screen cover extends beyond the edge of the housing in at least one direction, preferably in two directions, in particular in two opposite directions, or in three directions, particularly preferably in all four directions. This measure allows the emitted light to be perceived even when the electronic display device is viewed from its rear side. According to this embodiment, the screen cover thus preferably covers the screen and the housing over its entire surface.

[0029] According to a third, particularly preferred, embodiment, the screen cover does not protrude to the edge of the housing in at least one direction, preferably in two directions, in particular in two opposite directions, or in three directions, particularly preferably in all four directions.

[0030] Preferably, the electronic display device is designed such that the housing projects below the screen cover and past it.

[0031] This measure allows the housing to be illuminated via the screen cover in those areas where the screen cover protrudes or extends. This allows the electronic display device to be illuminated particularly prominently, with the light being particularly perceptible from lateral directions, for example, from above, below, left, and right. This measure thus allows for the provision of an electronic display device with a particularly perceptible light output.

[0032] Combinations of these three aforementioned embodiments can also be implemented, so that, for example, the screen cover extends to the edge in one direction or extends beyond it, while the housing protrudes from the screen cover in another direction. Preferably, however, all edges of the screen cover are implemented according to one of the aforementioned embodiments.

[0033] According to one aspect of the invention, the screen cover has an edge surface and the screen cover is designed to emit light on at least a surface portion of the edge surface, preferably on the entire edge surface.

[0034] The screen cover is preferably designed to emit light at only a partial area of ​​the edge surface of the screen cover. The edge surface is preferably divided into several partial areas, each partial area corresponding to a length of the circumference of the base area. The base area is preferably designed as a square or a rounded square. The screen cover can be designed to emit light via its edge surface at exactly one partial area, at exactly two partial areas, at exactly three partial areas, at exactly four partial areas, or at all partial areas if there are more than four partial areas.

[0035] The screen cover can also have a reduced light transmittance on at least one partial surface compared to another partial surface or can be opaque on at least one partial surface.

[0036] According to one embodiment, at least a partial region of the edge surface, preferably at least one partial surface, has a reflector zone, wherein the reflector zone is designed to reflect light guided through the screen cover towards the edge surface back into the screen cover. The reflector zone can be realized, for example, by a reflective coating, for example a metal coating, or a layer of paint, for example a white layer of paint. These measures specifically prevent light from escaping at at least one undesired location or area. At the same time, the light emerging from a location intended for light emission appears brighter with the same energy consumption. This allows energy consumption to be optimized. This directed light emission also allows specific areas or surroundings of the screen cover to be specifically highlighted.For example, an identification number can be made visible on the screen or, in particular, on the housing, or can be specifically illuminated, thus optimizing maintenance. Directional light emission can also be used to visually attract attention when viewed from only one direction.

[0037] According to a further aspect, the screen cover has a diffuser region on its edge surface for emitting scattered light, in particular substantially in a direction parallel to the screen.

[0038] Essentially in a direction parallel to the screen means that the average direction of the diffusely emitted light runs largely parallel to the screen. The diffuser region preferably has scattering centers, such as air spaces, especially air bubbles. These scattering centers can be created, for example, by mechanical processing, particularly machining, or by thermal, thermomechanical, or chemical processing. Well-defined diffuser regions can also be created by engraving, particularly laser engraving.

[0039] The diffuser area can thus be understood as an area that has a higher number of scattering centers than the rest of the screen cover. The number can be increased by a factor of 10, preferably by a factor of 100, and particularly preferably by a factor of 1000, based on the volume.

[0040] Furthermore, the screen cover can have a diffuser area, particularly one positioned over the screen, for emitting diffused light essentially in the direction normal to the screen. This measure allows for targeted illumination of the screen, thus optimally utilizing the light to make the information displayed on the screen particularly visible.

[0041] The screen cover is therefore preferably designed to emit light over a wide area, particularly towards the screen.

[0042] The screen can be designed as a transflective screen or a transmissive screen. The electronic display device can be configured to backlight the screen from the inside or from behind, i.e., from the side of the screen facing away from the screen cover toward the screen cover. With the help of the screen cover, the light passing through the screen is primarily directed toward the edges of the screen cover and emitted there. This allows for optimal use of the available light.

[0043] The screen is preferably designed as a reflective screen. The reflective screen allows the displayed information to be clearly legible even with only minimal light incidence. This light incidence can be provided by ambient light from the wider surroundings of the display device. However, this light incidence can also be provided by the light generated in the display device itself, which spreads through the screen cover. Thus, the information displayed using the screen can be clearly legible even in the absence of ambient lighting. According to one aspect of the invention, the electronic display device has at least one light source for emitting light, which is intended to irradiate the screen cover.

[0044] Different types of light sources, such as an incandescent lamp, a gas discharge lamp, or other electronic light sources, can be used as the light source. Preferably, at least one light-emitting diode is used as the light source. Particularly preferably, the light source, in particular the light-emitting diode, is located on a printed circuit board (PCB). If the screen also has active (background) lighting, the light source is provided in addition to it.

[0045] The light is, at least among other things, light that is visible to humans.

[0046] To control the light source, the electronic display device preferably has a control stage.

[0047] Furthermore, the electronic display device can have an energy storage device, in particular a battery or an accumulator, and / or can be designed to be supplied with power by an external power supply, for example radio-based or preferably wired.

[0048] The control stage controls the power supply of the light source.

[0049] The electronic display device can be designed such that the light source directly irradiates or illuminates the screen cover.

[0050] However, the electronic display device can also have a light-deflecting structure, particularly one separate from the screen cover, which is designed to direct the light from the light source toward the display device. The light-deflecting structure can, for example, comprise light guides, mirrors, etc.

[0051] The electronic display device can be configured to illuminate the screen cover with light on one of its sides corresponding to the normal direction of the screen cover, particularly in the edge region of the screen cover, preferably into the edge surface of the screen cover. According to this embodiment, the electronic display device has the light source, which is provided and positioned to illuminate the screen cover in a direction parallel to the screen, preferably to illuminate the screen cover across its edge surface.

[0052] According to a preferred embodiment, the electronic display device is designed to illuminate the screen cover with light from the light source on a side of the screen cover facing the screen, in particular on a side of the screen cover running parallel to the screen. This measure has proven particularly advantageous because the light is thus evenly distributed across the surface by the screen cover. The electronic display device is thus particularly clearly visible from many different viewing directions.

[0053] Preferably, the light source is coupled to the screen cover in a light-conducting manner. Particularly preferably, the light source is embodied as a light-emitting diode on a printed circuit board (PCB) and from there coupled to the screen cover in a light-conducting manner.

[0054] Preferably, the screen cover has a light distribution area at the light entry area provided for light entry, which is intended to distribute the light radiation within the screen cover, in particular toward the edge area of ​​the screen cover. The light distribution area can be implemented, for example, by material recesses, such as notches, wherein the recesses can be filled with a material with a different refractive index, and / or as a light scattering area.

[0055] The light distribution area preferably has an indentation and / or bulge.

[0056] Particularly preferably, the light distribution area is also designed for mechanically coupling the screen cover to the housing. For example, the light distribution area can have a pin that is mechanically connected to the housing and via which the light source is coupled to the screen cover in a light-conducting manner.

[0057] Preferably, the light source is covered by the screen cover. In addition to the aforementioned advantages, this measure also protects the light source from mechanical stress and contamination. The light source is preferably located inside the housing.

[0058] Furthermore, it has proven advantageous for the electronic display device to have at least two light sources, particularly located on opposite edges of the screen. This enables uniform illumination and thus uniform visibility of the electronic display device from different viewing angles. Thus, one light source can be replaced by two weaker light sources, providing improved visibility with the same or reduced energy consumption. More than two light sources can also be provided at different positions, particularly evenly distributed, around the screen.

[0059] The different light sources can be controlled jointly or independently. The control stage is therefore preferably designed to control the different light sources jointly and / or independently of one another and / or in groups.

[0060] The control stage can further be designed to control the light sources depending on the information and / or screen data to be displayed on the screen or to control the light source independently of the screen.

[0061] According to a further aspect of the invention, the light source and screen cover form a screen lighting device for illuminating the screen.

[0062] The screen cover thus illuminates the screen and emits a visually perceptible light signal, making it perceptible from different viewing directions, even from those from which the screen or its content is invisible. With minimal component effort, minimal material requirements, and thus low complexity, both functionalities are provided simultaneously. This measure thus provides an optimized electronic display device for displaying information using various visualization forms.

[0063] Furthermore, this measure ensures good visibility of the information displayed on the screen even in poor lighting conditions or dark rooms. According to one embodiment, the electronic display device is designed to illuminate only a portion of the screen and / or the housing via the screen cover, in particular, to illuminate only a portion extending beyond the screen and the housing via the screen cover. Thus, the focus of an observer can be directed toward the electronic display device and subsequently toward a specific area of ​​the screen and thus toward specific information on the screen. For example, the text "ACTION" can be displayed in a corner of the screen, and the area of ​​the screen displaying this text, the surrounding edge, and thus the surrounding housing, can be illuminated in red.Observers looking for promotional items can thus see from a distance, for example, when looking lengthwise down the aisle and essentially only seeing the sides of the electronic display devices, where the promotional items are located, because these stand out due to a characteristically illuminated corner. As the observer approaches the electronic display device, the illuminated screen and the displayed information become visible, and their gaze can focus on the illuminated area of ​​the screen.

[0064] For this purpose, the screen cover can be designed in sectors and / or have sectoral diffuser areas.

[0065] Preferably, individual light sources are provided for the respective sectors or diffuser areas.

[0066] The control stage is designed to control the individual light sources separately and / or in groups.

[0067] According to a further aspect of the invention, the electronic display device is designed to control the light source depending on the detection of an event, preferably an electronic communication, in particular a search request. This is implemented by the control stage. The search request can be received wirelessly and leads to, for example, the edge-side emission of red light on the display device in order to make it easier to find, for example, in long shelf aisles. In summary, the light-conducting screen cover, together with the light source, forms a signaling device of the display device for predominantly lateral light signaling.

[0068] The electronic display device can have an input stage, a communication stage, and / or a detection stage. The input stage is designed to detect user interaction, for example, the actuation of a button on the electronic display device. The communication stage is preferably designed for wireless, in particular radio-based, communication. The detection stage is designed to detect events in the environment of the electronic display device. For example, the electronic display device can have a distance sensor and / or a camera for detecting the presence of a person in the environment of the electronic display device, or a temperature sensor or a humidity sensor, etc.

[0069] The event can thus, for example, be the detection of a user interaction. The event can be a communication, in particular a search query relating to the electronic display device and / or an object corresponding to the electronic display device, in particular a product on offer. It can also be the detection of an event in the environment of the electronic display device. The electronic display device is preferably designed to communicate directly or indirectly with an external detection device, in particular a camera, wherein the camera is designed to detect the environment of the electronic display device and to inform the electronic display device of the detection. The detected temperature or humidity or the reaching of a threshold value can also constitute such an event.

[0070] As soon as the event has occurred, the light source can be activated or deactivated or its light intensity or light color can be electronically controlled.

[0071] Finally, it should be generally mentioned that the electronic devices discussed here naturally contain electronics. The electronics can be discrete or integrated, or even a combination of both. Microcomputers, microcontrollers, and Application Specific Integrated Circuits (ASICs), possibly in combination with analog or digital electronic peripherals, can also be used. Many of the device functionalities mentioned are implemented – possibly in conjunction with hardware components – using software running on an electronic processor. Devices designed for radio communication usually have an antenna configuration for transmitting and receiving radio signals as part of a transceiver module. The electronic devices can also have an internal electrical power supply, which can be implemented, for example, with a replaceable or rechargeable battery.The devices can also be powered via a wired connection, either via an external power supply or via "Power over LAN".

[0072] These and other aspects of the invention are apparent from the figures discussed below.

[0073] Short character description

[0074] The invention is explained in more detail below with reference to the accompanying figures using exemplary embodiments, to which, however, the invention is not limited. In the various figures, identical components are provided with identical reference numerals. They show schematically:

[0075] Fig. 1 shows an electronic display device with a frontal view of its screen;

[0076] Fig. 2 shows the electronic display device in a side view; Fig. 3 shows a cross section of the electronic display device.

[0077] Description of the embodiments

[0078] Figure 1 shows an electronic display device 1 having a flat screen 2 for displaying information and a housing 4 accommodating the screen 2 and a transparent screen cover 3 covering the screen 2. Viewed along a normal direction N to the screen 2, i.e., in the plane of the drawing in Figure 1 from back to front, the screen cover 3 protrudes beyond the screen 2 and beyond the housing 4 accommodating the screen 2. The screen cover 3 is designed to emit light in directions that run essentially parallel to the screen 2. This is symbolized by arrows 12. The screen cover 3 completely covers the screen 2. The screen cover 3 has an edge surface 5, which in Figure 1 is oriented normal to the viewing direction and thus appears as the perimeter of the screen cover 3. The edge surface 5 is divided into four partial surfaces 5A, 5B, 5C, and 5D.The light is emitted via this edge surface 5.

[0079] Figure 2 shows a side view of the electronic display device. The edge surface 5 of the screen cover 3 is freestanding and unenclosed. Thus, the edge surface 5, or its entire partial surface 5D, is unobstructedly visible from this perspective.

[0080] Furthermore, the electronic display device 1 has mechanical coupling devices 8 for coupling the electronic display device 1 to a shelf rail (not shown).

[0081] Figure 3 shows the electronic display device 1 cut along the horizontal in the representation of Figure 1.

[0082] The electronic display device 1 has two light sources 6, designed as light-emitting diodes, or LEDs for short, and electronics 10. The electronics 10 has, on a circuit board 17, which also carries the LEDs 6 and to which the screen is connected (e.g., by means of a plug connection - not shown in detail), an energy storage stage 14 (battery) for storing energy and providing power, a communication stage 15 (transceiver) for radio-based communication with an external device, such as an access point of a radio-based ESL system, and for receiving control data, and a control stage 16 (microcontroller) for controlling the light source 6 depending on control data received via the communication stage 15.

[0083] Each of the light sources 6 is light-conductingly coupled to a light distribution area 7. The light distribution area 7 is designed as a mechanical coupling device, specifically as a pin, for mechanically coupling the screen cover 3 to the housing 4. These light distribution areas 7 are inserted into the housing 4 and thus fix the position of the screen cover 3. The housing 4 protrudes past the screen cover 3 below it, thus forming a projection 11. This arrangement allows the projection 11 to be illuminated, so that the emitted light is particularly clearly perceptible.

[0084] Furthermore, the light sources 6 and the screen cover 3 form a screen lighting device for illuminating the screen 2.

[0085] If the control stage now controls the light sources to emit light, this light is directed via the light distribution areas 7 into the screen cover 7. From there, it is directed to the screen 2, so that the information displayed there is easily perceptible to the human eye. Furthermore, the light is emitted in the directions of the arrows 12, i.e., essentially parallel to the screen 2. The edge surface 5 has a diffuser area, so that the light is scattered in the direction indicated by the arrow 12 and is therefore also emitted in the adjacent directions, represented by the set of arrows 13. This applies to the entire edge surface 5, including its rounded corners.

[0086] Thus, the electronic display device 1 is clearly visible from different viewing angles and distances. It can thus attract attention even when viewed from the side.

[0087] Finally, it should be noted once again that the figures described in detail above are merely exemplary embodiments that can be modified in a variety of ways by those skilled in the art without departing from the scope of the invention. For the sake of completeness, it should also be noted that the use of the indefinite articles "a" or "an" does not exclude the possibility that the relevant features may be present multiple times.

Claims

Claims 1. Electronic display device (1) comprising - a screen (2) for displaying information, and - a housing (4) for receiving the screen (2), and - a transparent screen cover (3) covering the screen (2), wherein, viewed along a normal direction N to the screen (2), the screen cover (3) protrudes beyond the screen and beyond the housing (4) accommodating the screen (2), and wherein the screen cover (3) is designed to emit light in a direction substantially parallel to the screen (2).

2. Electronic display device (1) according to claim 1, wherein the screen cover (3) completely covers the screen (2).

3. Electronic display device (1) according to one of the preceding claims, wherein the screen cover (3) covers at least a partial area of the housing (4).

4. Electronic display device (1) according to one of the preceding claims, wherein the housing (4) projects below the screen cover (3) past the latter.

5. Electronic display device (1) according to one of the preceding claims, wherein the screen cover (3) has an edge surface (5), and wherein the screen cover (3) is designed to emit light on at least a surface portion of the edge surface (5), preferably on the entire edge surface (5).

6. Electronic display device (1) according to one of the preceding claims, wherein the screen cover (3) has on its edge surface (5) a diffuser region for emitting scattered light, in particular substantially in a direction parallel to the screen (2).

7. Electronic display device (1) according to one of the preceding claims, wherein the screen (2) is designed as a reflective screen (2).

8. Electronic display device (1) according to one of the preceding claims, wherein the electronic display device (1) has at least one light source (6) for emitting light, which is intended to irradiate the screen cover (3).

9. Electronic display device (1) according to claim 8, wherein the electronic display device (1) is designed to irradiate the screen cover (3) with the light from the light source (6) on a side of the screen cover (3) directed towards the screen (2), in particular on a side of the screen cover running parallel to the screen (2).

10. Electronic display device (1) according to one of the preceding claims 8 to 9, wherein the light source (6) is covered by the screen cover (3).

11. Electronic display device (1) according to one of the preceding claims 8 to 10, wherein the electronic display device (1) has at least two light sources (6), in particular located on opposite edge sides of the screen (2).

12. Electronic display device (1) according to one of the preceding claims 8 to 11, wherein the light source (6) and screen cover (3) form a screen illumination device for illuminating the screen (2).

13. Electronic display device (1) according to one of the preceding claims 8 to 12, wherein the electronic display device (1) is designed to cover only a partial area of the screen (2) and / or the housing (4) via the screen cover (3). to illuminate, in particular to illuminate only a partial area projecting beyond the screen (2) and the housing (4) via the screen cover (3).

14. Electronic display device (1) according to one of the preceding claims 8 to 13, wherein the electronic display device (1) is designed to control the light source (6) as a function of the detection of an event, preferably an electronic communication, in particular a search request.

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