EP3923265A1 - Anzeigevorrichtung und verfahren zur anzeige von wechselnden anzeigeinhalten und verfahren zur herstellung der anzeigevorrichtung - Google Patents

Anzeigevorrichtung und verfahren zur anzeige von wechselnden anzeigeinhalten und verfahren zur herstellung der anzeigevorrichtung Download PDF

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Publication number
EP3923265A1
EP3923265A1 EP21177692.7A EP21177692A EP3923265A1 EP 3923265 A1 EP3923265 A1 EP 3923265A1 EP 21177692 A EP21177692 A EP 21177692A EP 3923265 A1 EP3923265 A1 EP 3923265A1
Authority
EP
European Patent Office
Prior art keywords
display device
image layer
layer
image
partially transparent
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Withdrawn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
EP21177692.7A
Other languages
German (de)
English (en)
French (fr)
Inventor
Paula Anguita
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 EP3923265A1 publication Critical patent/EP3923265A1/de
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/08—Signs, boards or panels, illuminated from behind the insignia using both translucent and non-translucent layers
    • G09F13/10—Signs, boards or panels, illuminated from behind the insignia using both translucent and non-translucent layers using transparencies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
    • B44F1/10—Changing, amusing, or secret pictures
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/02—Signs, boards, or panels, illuminated by artificial light sources positioned in front of the insignia
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/0422—Reflectors
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/06—Signs, boards or panels, illuminated from behind the insignia using individual cut-out symbols or cut-out silhouettes, e.g. perforated signs
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/08—Signs, boards or panels, illuminated from behind the insignia using both translucent and non-translucent layers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
    • G09F15/02—Bills, posters, or the like therefor
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/14—Arrangements of reflectors therein
    • G09F2013/147—Arrangements of reflectors therein plane reflectors

Definitions

  • the invention relates to a display device which is set up to present changing display contents, in particular image and / or text information, in particular a passive display device which is set up to present the display contents with external lighting.
  • the invention also relates to applications (method for displaying changing display contents) in the presentation of image and / or text information z. B. for design purposes, information purposes and / or advertising, and methods for producing the display device.
  • the object of the invention is to provide an improved passive display device with which the disadvantages of conventional techniques are avoided.
  • the display device should in particular have a simplified and cost-effective structure, be easy to manufacture, enable the display content to be changed quickly, require little space and / or offer new application possibilities.
  • the object of the invention is furthermore to provide improved methods for displaying changing display contents with the display device and / or improved methods for producing the display device, with which the disadvantages of conventional techniques are avoided.
  • the above object is achieved by a passive display device which comprises an upper image layer which is exposed to a viewing side and has at least one partially transparent image section, and a lower image layer which is arranged covered by the upper image layer is.
  • the at least one partially transparent image section is formed in such a way that in a first state of the display device with diffuse ambient light (external lighting in top light) the upper image layer is visible and in a second state of the display device with directed ambient light in the at least one partially transparent image section, the lower image layer is visible.
  • the image layers are each layered materials, on whose surfaces, which face a front side of the display device (viewing side), display content (color area, image and / or text) is arranged.
  • the display content of the upper picture layer (upper display content) is typically different from the display content of the lower picture layer (lower display content).
  • Each of the image layers is rigid, e.g. B. as a thin plate, or flexible, e.g. B. formed as a film.
  • the image layers form a layer stack.
  • the composite of the image layers is self-supporting or optionally equipped with a solid carrier material which is arranged on a rear side of the display device.
  • the image layers are preferably flat, ie they extend in parallel layer planes. Alternatively, the image layers can be curved and connected to one another over a large area with the same curvature in the layer composite.
  • the upper image layer is arranged facing the front of the display device.
  • the top image layer forms the front of the display device.
  • a further transparent protective layer which forms the front side, can be arranged on the upper image layer.
  • the upper image layer contains the at least one partially transparent image section, i. H. the upper image layer is partially transparent (semi-transparent) in at least one partial area along the extension of the upper image layer, preferably along the layer plane.
  • the top image layer preferably has a diffusely reflective surface that includes the top display content, e.g. B. is printed with the upper display content.
  • the partial transparency is generated in that the upper image layer in the at least one partially transparent image section has a multiplicity of distributed openings (holes) through which light can pass to the lower image layer.
  • the at least one partially transparent image section is formed, in particular the size and distribution of the openings are selected so that in diffuse ambient light (non-directional lighting, e.g. diffuse room and / or daylight) the upper image layer reflects more strongly than the lower image layer and the upper layer of the image is perceived.
  • the image impression is shaped in the diffuse ambient light by the display content of the upper image layer.
  • the size and distribution of the openings are also selected so that in the directed ambient light (directed illumination of the display device with a light source device, preferably with at least one beam-shaping reflector, e.g.
  • the lower image layer is reflected more strongly than the upper image layer and the lower image layer is perceived.
  • the image impression is shaped in the directed ambient light by the display content of the lower image layer under the partially transparent image section.
  • the display device is preferably formed in such a way that the lower image layer becomes visible when the directed ambient light has a higher intensity than the diffuse ambient light and has an illumination direction towards the display device.
  • the direction of illumination preferably runs vertically or in a range of +/- 60 ° relative to the two-dimensional extent of the image layers of the display device.
  • the directed ambient light includes e.g. B. a parallel or almost parallel light beam or a light beam with a divergence less than 90 °, preferably less than 45 °.
  • the display device is furthermore preferably formed in such a way that the lower image layer becomes visible when the direction of illumination with the directed ambient light and a viewing direction of a viewer of the display device are the same.
  • the inventor has established that, on the one hand, the physiological perception of the display content of the upper image layer in the diffuse ambient light is not disturbed by the partial transparency, in particular the large number of openings. Furthermore, on the other hand, the physiological perception of the display content of the lower image layer in the directed ambient light is not disturbed by the partial transparency, in particular the layer material of the upper image layer.
  • the display content can thus be switched between diffuse lighting and directional lighting by changing the lighting.
  • the display device is passive; H. the image layers are preferably not formed in a self-luminous manner.
  • the structure of the layer composite is advantageously uncomplicated and inexpensive and can be produced with simple means. A faster change of the display content is made possible by changing the lighting.
  • the display device has a small footprint.
  • There is a new device or component for the visual representation of a display content such. B. of information in the form of digits, letters, characters o. ⁇ ., Color areas and / or image content created, the new application possibilities, z. B. in design or in advertising.
  • the above object is achieved by a method for displaying changing display contents with the display device according to the first general aspect of the invention or one of its embodiments, in which the display device is illuminated with diffuse ambient light, in the first state the display device the upper image layer is visible, or the display device is illuminated with directed ambient light, wherein in the second state of the display device in the at least one partially transparent image section, the lower image layer is visible.
  • the method advantageously allows the display content to be changed quickly by changing the lighting when the display device requires little space.
  • the above object is achieved by a method for manufacturing the display device according to the first general aspect of the invention or one of its embodiments, comprising the following steps.
  • the upper picture layer and the lower picture layer are provided and provided with the associated upper and lower display content, e.g. B. printed.
  • the image layers are then aligned with one another so that the upper and lower display contents match one another, and the image layers connected to one another, preferably bonded by lamination or gluing.
  • the display device is advantageously simplified and can be manufactured inexpensively.
  • the upper image layer comprises a perforated film or a perforated plate with a grid arrangement of through holes in the at least one partially transparent image section.
  • the grid arrangement of the holes is preferably a regular arrangement of the holes, e.g. B. in straight columns and rows or in concentric circles, particularly preferably all holes are the same size.
  • the holes preferably have a round shape, but can also be angular.
  • the perforated film is a flexible, pliable material which offers advantages in the manufacture of the display device, in particular when the display content of the upper image layer is printed on.
  • the perforated film is a solid, self-supporting material which advantageously additionally fulfills the function of a carrier material which gives the display device stability and rigidity.
  • Geometric properties of the grid arrangement can be selected depending on the conditions of a specific application of the invention.
  • Application conditions are in particular the image size, a viewing distance and the lighting conditions.
  • Optimal geometric properties can preferably be determined by tests or on the basis of reference tables that have been created in advance.
  • the grid arrangement of through holes is particularly preferably formed in such a way that the holes have a characteristic cross-sectional dimension, in particular a diameter, in the range from 0.5 mm, in particular 1 mm, to 10 mm and / or an area proportion in the range from 20% to 70% % of the at least one partially transparent image section.
  • Another advantage is the freedom of design of the upper layer of the picture. It can be provided that when the external lighting is changed, only part of the display device represents changing display contents.
  • the at least one partially transparent image section extends only over part of the upper image layer, while the remaining upper image layer has a closed, diffusely reflective surface with the display content provided in this area.
  • the partially transparent image section extends over the entire upper image layer.
  • the upper image layer is completely partially transparent.
  • the upper and lower image layers form a laminated layer composite.
  • the upper and lower image layers can be connected over a large area using a simple lamination process.
  • the upper and lower image layers can be connected directly to one another.
  • a transparent and clearly translucent intermediate layer e.g. B. an adhesive layer or a laminating film can be provided.
  • the lamination process is advantageously simplified if, according to a particularly preferred variant of the invention, the lower and / or the upper image layer comprises a film printed with image and / or text information.
  • the lower image layer has a directly reflecting surface
  • the partial transparency is determined by smaller holes and / or a larger area ratio of the holes in the upper image layer.
  • the display content of the lower image layer can advantageously be printed directly onto the directly reflecting surface.
  • a directly reflecting surface is a smooth surface.
  • the lower image layer comprises a reflective sheeting, such as e.g. B. a metal foil, particularly preferably a retroreflective sheeting with directed back reflection.
  • the use of the retroreflective sheeting with directed back reflection offers the particular advantage that the change of the display contents from the direction of the directed lighting can be perceived particularly well and with high contrast.
  • the upper and lower image layers are designed in such a way that image and / or text information of the image layers differ.
  • a change in the display content is advantageously achieved when the lighting is changed.
  • z. B. color change in the lighting change between diffuse and directional lighting can be perceived by the image layers have different colors.
  • the display device enables various applications such. B. in public space, in interior design, in advertising, in the signage of traffic areas and / or for design functions.
  • the display device in particular the configuration of the upper image layer, such as e.g. B. their geometric properties can be adapted for different applications.
  • the at least one partially transparent image section can be formed in such a way that in the second state of the display device, when a flash light directed onto the display device, such as e.g. B. the flash of a camera in which at least one partially transparent image section, the lower image layer is visible.
  • the at least one partially transparent image section can be formed in such a way that, in the second state of the display device, in the case of a spotlight directed onto the display device, in particular a spot light or a stroboscopic light, in the at least one partially transparent image section the lower layer of the image is visible.
  • the display device can, for. B. be configured so that the display content of the lower image layer is visible when illuminated with headlights that are generated by a vehicle headlight.
  • the display device can thus be used to display various content, e.g. B. traffic information, each set up in diffuse daylight or in the directional spotlight at night in a traffic area.
  • a light source device for generating the directed ambient light such as. B. a flash device or a headlight device can be regarded as part of the display device according to the invention.
  • an intermediate layer is provided which is arranged between the upper image layer and the lower image layer and is formed from a transparent material with a transmission selected in such a way that the lower image layer is invisible in the first state of the display device in the diffuse ambient light and in the second state of the display device with the directed ambient light the lower image layer is visible.
  • the intermediate layer preferably comprises a tint film or a heat protection film, such as those used for windows, e.g. B. building or vehicle windows are known.
  • a display device 100 comprises an upper image layer 10 with at least one partially transparent image section 11 and a lower image layer 20, which is connected to the upper image layer 10.
  • FIG. 10 shows the upper image layer 10 and the lower image layer 20 in separate plan views.
  • Figure 2 shows a sectional view of the upper image layer 10 and the lower image layer 20 in the connected state with an optionally provided carrier material 30 as a layer composite of the display device 100.
  • the front side of the display device 100 is provided above the layer composite.
  • the partially transparent image section 11 extends over the entire surface of the upper image layer 10.
  • the upper image layer 10 is z. B. a perforated plate with a grid arrangement of circular holes 12 (see Figure 2 ).
  • the perforated plate is made of an opaque material, in particular made of a plastic, for. B. PVC, or a metal, e.g. B. aluminum, manufactured and has z. B. a thickness of 1 mm, a hole diameter of 1 mm and a web width between the holes 12 of 1 mm.
  • the display content of the upper image layer 10 is arranged on the free surface of the perforated plate between the holes 12, e.g. B. printed ( Figure 1A ).
  • the lower image layer 20 is a reflective sheet, such as. B. the retroreflective sheeting with the trade name Scotchlite (registered trademark) series 580E, manufacturer 3M, or the reflective sheeting with the trade name Diamond Grade (registered trademark), manufacturer 3M, or the retroreflective sheeting with the trade name ORALITE (registered trademark), manufacturer ORAFOL Europe GmbH.
  • the display content of the lower image layer 20 is arranged on the surface of the lower image layer 20 facing the upper image layer 10, e.g. B. printed (see Figure 1B ).
  • the carrier material 30 optionally provided on the rear side comprises, for. B. a metal plate which carries the image layers 10, 20 as a substrate and serves to stabilize them.
  • the carrier material 30 is in particular not required if the image layers 10, 20 have sufficient inherent stability.
  • the display content of the upper image layer 10 deviates completely or in at least a partial area from the display content of the lower image layer 20, so that when the display content is changed, for example, a predetermined scene, such as B. a house, can be presented with a changed environment. If the display content of the upper image layer and the display content of the lower image layer 20 match in at least one sub-area, both display contents in the at least one matching sub-area are preferably aligned with one another and positioned identically in the overall image.
  • the change of the display content is shown schematically in Figure 2 illustrated.
  • the reflection from the exposed surface of the upper image layer 10 into the adjacent half-space is stronger than the reflection from the surface of the lower image layer 20 exposed in the holes 12, so that the image impression is shaped by the display content of the upper image layer 20.
  • the reflection from the exposed surface of the upper image layer 10 is weaker than the reflection from the surface of the lower image layer 20 exposed in the holes 12 to a viewer (see FIG Figures 3, 4 ), so that the image impression is shaped by the display content of the lower image layer 20.
  • the display content can be switched.
  • an intermediate layer (in Figure 2 not shown), which are arranged between the upper image layer 10 and the lower image layer 20, e.g. B. is laminated.
  • the intermediate layer preferably extends over the entire surface of the image layers 10, 20, and it comprises e.g. B. a tint film with a predetermined transmission.
  • the transmission is dependent on the specific application conditions, e.g. B. selected by tests so that the lower image layer 20 is invisible, ie not or only negligibly visible, in diffuse ambient light 1.
  • Figure 3 shows schematically a first application of the invention, in which the directed ambient light 2 is generated by a flash device 40 of a camera.
  • the viewer 3 sees the display content of the upper image layer 10 of the display device 100.
  • the display content of the lower image layer 20 is visible and perceived by the viewer 3 or as an image with the camera recorded.
  • This application has z. B. Advantages when presenting works of art or design objects.
  • FIG Figure 4 Another application of the invention, in which the directed ambient light 2 is generated by a headlight device 50, is shown schematically in FIG Figure 4 shown.
  • diffuse ambient light 1 such as. B. room light
  • the viewer 3 sees the display content of the upper image layer 10.
  • the headlight device 50 lights up, the display content of the lower image layer 20 is visible and perceived by the viewer 3.
  • This application has z. B. Advantages in promoting products.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Controls And Circuits For Display Device (AREA)
EP21177692.7A 2020-06-08 2021-06-04 Anzeigevorrichtung und verfahren zur anzeige von wechselnden anzeigeinhalten und verfahren zur herstellung der anzeigevorrichtung Withdrawn EP3923265A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202020103285.2U DE202020103285U1 (de) 2020-06-08 2020-06-08 Anzeigevorrichtung mit wechselndem Anzeigeinhalt

Publications (1)

Publication Number Publication Date
EP3923265A1 true EP3923265A1 (de) 2021-12-15

Family

ID=71524820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21177692.7A Withdrawn EP3923265A1 (de) 2020-06-08 2021-06-04 Anzeigevorrichtung und verfahren zur anzeige von wechselnden anzeigeinhalten und verfahren zur herstellung der anzeigevorrichtung

Country Status (3)

Country Link
EP (1) EP3923265A1 (es)
CL (1) CL2021001279U1 (es)
DE (1) DE202020103285U1 (es)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61138289A (ja) * 1984-12-10 1986-06-25 株式会社　マイア−トインタ−ナシヨナルイマニ 表示装置
EP1058227A1 (en) * 1999-06-01 2000-12-06 Artlite Limited Sign plate for an illuminated sign
ES2162748A1 (es) * 1999-12-20 2002-01-01 Juan Roura Y Cia S A "procedimiento para la fabricacion de rotulos publicitarios y rotulo publicitario fabricado de acuerdo con el mismo".
JP2019020637A (ja) * 2017-07-20 2019-02-07 株式会社増田清商店 グラフィックス表示体

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61138289A (ja) * 1984-12-10 1986-06-25 株式会社　マイア−トインタ−ナシヨナルイマニ 表示装置
EP1058227A1 (en) * 1999-06-01 2000-12-06 Artlite Limited Sign plate for an illuminated sign
ES2162748A1 (es) * 1999-12-20 2002-01-01 Juan Roura Y Cia S A "procedimiento para la fabricacion de rotulos publicitarios y rotulo publicitario fabricado de acuerdo con el mismo".
JP2019020637A (ja) * 2017-07-20 2019-02-07 株式会社増田清商店 グラフィックス表示体

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CL2021001279U1 (es) 2021-09-24

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