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EP1922582A1 - Indicator having an electrooptical display - Google Patents

Indicator having an electrooptical display

Info

Publication number
EP1922582A1
EP1922582A1 EP06778373A EP06778373A EP1922582A1 EP 1922582 A1 EP1922582 A1 EP 1922582A1 EP 06778373 A EP06778373 A EP 06778373A EP 06778373 A EP06778373 A EP 06778373A EP 1922582 A1 EP1922582 A1 EP 1922582A1
Authority
EP
European Patent Office
Prior art keywords
display
designed
display according
light
pointer
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Withdrawn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
EP06778373A
Other languages
German (de)
French (fr)
Inventor
Peter Dietrich
Ulrich Kabatek
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.)
Continental Automotive GmbH
Original Assignee
Siemens VDO Automotive AG
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 Siemens VDO Automotive AG filed Critical Siemens VDO Automotive AG
Publication of EP1922582A1 publication Critical patent/EP1922582A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/213—Virtual instruments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/215—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays characterised by the combination of multiple visual outputs, e.g. combined instruments with analogue meters and additional displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/60—Instruments characterised by their location or relative disposition in or on vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28—Structurally-combined illuminating devices
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides

Definitions

  • the invention relates to a display with an electro-optic ⁇ rule display.
  • Electro-optical displays for example liquid-crystal displays, organic light-emitting diode displays (OLED) or electron tubes are known from the prior art.
  • the liquid crystal displays especially if they are designed as TFT displays, and the electron tubes have a nearly rectangular shape. Special forms are not or only very expensive to produce. If such electro-optical displays are to be combined with other displays, for example analogue pointer instruments, as is known, for example, from instrument clusters for motor vehicles, the electro-optical displays can only be designed to be relatively small and there remains an unusable space.
  • the object of the invention is to provide a display with an electro-optical display, which can be particularly well exploited.
  • This object is achieved in that a screen is arranged in front of the display, which partially covers the display and so the screen has a display overlapping area and the display has a covered area and that the covered area of the display the
  • Illuminated aperture and that parts of the aperture are designed to translucent.
  • displays with electro-optical displays can be realized in which the visual perception in a viewer does not appear rectangular.
  • the aperture characters such as
  • Warnings or scales of a display can be reproduced, which are illuminated by the display, even in different ⁇ Licher brightness.
  • the display is a color display
  • ⁇ Kings nen the characters on the screen with different colors are lighted and displayed in different colors at ben. Furthermore, depending on the information to be displayed, the colors of the lighting can also be changed.
  • the display can be designed particularly simply if the covered area of the display illuminates the covered part of the panel.
  • the panel can be mounted directly on the display, so that results in a flat simple structure.
  • a light ⁇ conductor is arranged between the display and the aperture, the light of the display can also be passed into a region of the aperture, which does not cover the display.
  • additional bulbs are ge ⁇ saves.
  • the aperture is configured as a switch that can be dispensed and secondly by a modified example in the color and / or brightness of the lighting refreshes ⁇ elle switching state of the switch are illustrated.
  • the shutter moving parts which ⁇ example, also additional information can be displayed.
  • the pointer can be backlit di ⁇ rectly by each parts of the display illuminate the pointer, which are covered by the pointer.
  • the color and / or brightness of the illumination can also be changed depending on the position of the pointer or for the presentation of additional information.
  • Particularly simple and with a good appearance of this pointer element is to design as a ring pointer.
  • the ring pointer can be illuminated via the display, for example, by a direct light coupling or by a rotating light-conducting ring, is coupled into the light, for example, via the display.
  • a disc pointer is also possible in which a pointer is arranged on an otherwise clear disc and this disc is arranged in front of the display, in particular rotatable about its center.
  • the display is designed as an LCD, it has a low power consumption.
  • a TFT-LCD it can also be used as a color display.
  • the display is designed as an electron tube, it can provide a particularly sharp representation of the display.
  • F ig. 1 is a section of a first embodiment of the invention
  • F ig. 2 shows a section through a second embodiment of the invention
  • FIG. 55 shows the partially mechanical construction of the embodiment from FIG. 4, FIG.
  • a display 1 a diaphragm 2, with light apertures 2a, a light guide in the form of a light box 3, a lighting device 4 and symbolically represented an eye E of a viewer and light beams S.
  • the display 1 is for example a liquid crystal display in the form of a TFT display, with a colored representation is possible.
  • This display is illuminated by a lighting device 4.
  • Parts of the light rays S, which penetrate the display 1, do not reach the eye E of the observer directly, but are guided via the light box 3 to the light passages 2 a of the diaphragm 2.
  • information in the form of, for example, scale lines or numerical values can also be represented by the light passages 2 a.
  • This information can be displayed in different colors, if the display is appropriate Emits light rays.
  • the display 1 is configured instead of an LCD as a display with organic light emitting diodes (OLED), the lighting device 4 is superfluous.
  • OLED organic light emitting diodes
  • the aperture 2 is designed such that the
  • Aperture 2 not only has areas 2b which cover the display.
  • the exemplary embodiment in FIG. 2 differs from the exemplary embodiment in FIG. 1 in that the diaphragm 2 has an area 2c behind which no display 1 is seen by a viewer with the eye E.
  • the light guide is designed in the form of a light guide 5, for example made of glass or a light-conducting plastic such as polyacrylic.
  • the light guide 5 also guides the light beams in the region 2c of the diaphragm 2, behind which there is no display. It is thus possible to illuminate areas of the diaphragm which are located laterally away from the display.
  • the shape of the display can be chosen freely, although the display 1 is designed rectangular.
  • the display 1 and the panel 2 can be seen.
  • the panel 2 has a region 2b, which is arranged above the display and an area 2c, behind which there is no display.
  • the diaphragm 2 has light passages in the form of graduated lines 2a, a tank symbol 2d and a general warning symbol 2e.
  • the aforementioned light transmissions 2 a, 2 d and 2 e are illuminated by means not shown light guide from the display 1 from ⁇ .
  • a pointer associated with the scale lines 2a can be displayed, for example, on the display 1.
  • the display in FIG. 4 shows a display 1, a diaphragm 2, a ring pointer 10 and a partially concealed ring 11.
  • Scale 2f and scale line 2g can be seen on the diaphragm 2.
  • a positive display black scale ⁇ values and scale lines on a white background
  • a negative display black or white scale values and scales strokes on a dark or black background
  • the graduation marks and scale values can be designed by light apertures in the aperture.
  • These light passages may be o- play designed as openings in the stop at the ⁇ but be realized by light-transmissive regions.
  • the positive representation in Figure 4 has been chosen for simplicity of illustration only.
  • the ring 11 can beispielswei ⁇ se as shown shine itself or be made of translucent material, but the viewer is out opaque or light reduced designed and einkop ⁇ pelt in his existing light in the ring pointer 10, so that the ring pointer 10 is illuminated , Light can be coupled into the ring 11 through the display 1 or a separate source of light ⁇ . It is also possible, in addition to the ring 11 to arrange an additional light guide and directly couple light in the ring pointer 10.
  • a multi-cranked pointer 15 can be used, the drive 16 is arranged behind the display 1, then behind the display is led beyond the limits of the display to the outside and then bent twice bent back to its axis of rotation and a Pointer syringe 15a may represent, which can move over the display 1 and the aperture 2, without that a ⁇ drive shaft through the display 1 must be performed (Fig. 6).

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Details Of Measuring Devices (AREA)
  • Liquid Crystal (AREA)
  • Instrument Panels (AREA)
  • Electroluminescent Light Sources (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

In the case of an indicator having an electrooptical display (1), a shutter (2) is arranged in front of the display (1), partially covers the display (1) and has an area which covers the display (1) such that the covered area of the display (1) illuminates the shutter (2), by parts (2a, 2b, 2d, 2f, 2g) of the shutter (2) being designed to be translucent.

Description

Bezeichnungdescription
Anzeige mit einem elektrooptischen DisplayDisplay with an electro-optical display
Die Erfindung betrifft eine Anzeige mit einem elektroopti¬ schen Display. Aus dem Stand der Technik sind elektrooptische Displays, beispielsweise Flüssigkristallanzeigen, organische Leuchtdiodenanzeigen (OLED) oder Elektronenröhren bekannt. Die Flüssigkristalldisplays, insbesondere wenn sie als TFT- Displays ausgestaltet sind, und die Elektronenröhren weisen eine nahezu rechteckige Form auf. Sonderformen sind nicht oder nur sehr teuer herstellbar. Wenn solche elektrooptische Displays mit anderen Anzeigen kombiniert werden sollen, beispielsweise analogen Zeigerinstrumenten, wie dies beispiels- weise aus Kombiinstrumenten für Kraftfahrzeuge bekannt ist, können die elektrooptischen Displays nur relativ klein ausgestaltet werden und es bleibt ein nicht nutzbarer Raum.The invention relates to a display with an electro-optic ¬ rule display. Electro-optical displays, for example liquid-crystal displays, organic light-emitting diode displays (OLED) or electron tubes are known from the prior art. The liquid crystal displays, especially if they are designed as TFT displays, and the electron tubes have a nearly rectangular shape. Special forms are not or only very expensive to produce. If such electro-optical displays are to be combined with other displays, for example analogue pointer instruments, as is known, for example, from instrument clusters for motor vehicles, the electro-optical displays can only be designed to be relatively small and there remains an unusable space.
Aufgabe der Erfindung ist es, eine Anzeige mit einem elektro- optischen Display anzugeben, das besonders gut ausgenutzt werden kann. Diese Aufgabe wird dadurch gelöst, dass vor dem Display eine Blende angeordnet ist, die das Display teilweise überdeckt und so die Blende einen das Display überdeckenden Bereich aufweist und das Display einen überdeckten Bereich aufweist und dass der überdeckte Bereich des Displays dieThe object of the invention is to provide a display with an electro-optical display, which can be particularly well exploited. This object is achieved in that a screen is arranged in front of the display, which partially covers the display and so the screen has a display overlapping area and the display has a covered area and that the covered area of the display the
Blende beleuchtet und dass Teile der Blende lichtdurchlässig ausgestaltet sind. Hierdurch können auch Anzeigen mit elektrooptischen Displays realisiert werden bei denen die optische Wahrnehmung bei einem Betrachter nicht rechteckig erscheint. Weiterhin können beispielsweise in der Blende Zeichen wieIlluminated aperture and that parts of the aperture are designed to translucent. As a result, displays with electro-optical displays can be realized in which the visual perception in a viewer does not appear rectangular. Furthermore, for example, in the aperture characters such as
Warnhinweise oder Skalen einer Anzeige nachgebildet werden, die durch das Display beleuchtet werden, auch in unterschied¬ licher Helligkeit.Warnings or scales of a display can be reproduced, which are illuminated by the display, even in different ¬ Licher brightness.
Wenn es sich bei dem Display um ein Farbdisplay handelt, kön¬ nen die Zeichen auf der Blende mit unterschiedlichen Farben beleuchtet werden und erscheinen so in unterschiedlichen Far- ben. Weiterhin können je nach anzuzeigender Information auch die Farben der Beleuchtung geändert werden.If it is the display is a color display, ¬ Kings nen the characters on the screen with different colors are lighted and displayed in different colors at ben. Furthermore, depending on the information to be displayed, the colors of the lighting can also be changed.
Besonders einfach kann die Anzeige ausgebildet sein, wenn der überdeckte Bereich des Displays den überdecken Teil der Blende beleuchtet . Hierbei kann die Blende direkt auf dem Display angebracht werden, so dass sich ein flacher einfacher Aufbau ergibt. Wenn zwischen dem Display und der Blende ein Licht¬ leiter angeordnet ist, kann das Licht des Displays auch in einen Bereich der Blende geleitet werden, der das Display nicht abdeckt. Hierdurch werden zusätzliche Leuchtmittel ge¬ spart. Wenn die Blende als Schalter ausgestaltet ist, kann zum einen auf eine zusätzliche Beleuchtung des Schalters ver¬ zichtet werden und zum anderen durch eine beispielsweise in der Farbe und/oder Helligkeit geänderte Beleuchtung der aktu¬ elle Schaltzustand des Schalters dargestellt werden.The display can be designed particularly simply if the covered area of the display illuminates the covered part of the panel. Here, the panel can be mounted directly on the display, so that results in a flat simple structure. If a light ¬ conductor is arranged between the display and the aperture, the light of the display can also be passed into a region of the aperture, which does not cover the display. As a result, additional bulbs are ge ¬ saves. To a ver on an additional illumination of the switch ¬ When the aperture is configured as a switch that can be dispensed and secondly by a modified example in the color and / or brightness of the lighting refreshes ¬ elle switching state of the switch are illustrated.
Wenn die Blende bewegliche Teile aufweist, können beispiels¬ weise auch zusätzliche Informationen dargestellt werden. Dies ist insbesondere dann der Fall, wenn das bewegliche Teil als Zeigerelement ausgestaltet ist. Hierbei kann der Zeiger di¬ rekt hinterleuchtet werden, indem jeweils Teile des Displays den Zeiger beleuchten, die durch den Zeiger abgedeckt werden. Bei einem Farbdisplay kann auch je nach Zeigerstellung oder zur Darstellung einer zusätzlichen Information die Farbe und/oder Helligkeit der Beleuchtung geändert werden. Besonders einfach und mit guter Anmutung ist dieses Zeigerelement als Ringzeiger auszugestalten. Hierbei kann auch der Ringzeiger über das Display beleuchtet werden, beispielsweise durch eine direkte Lichteinkopplung oder durch einen sich drehenden lichtleitenden Ring, in den Licht beispielsweise auch über das Display eingekoppelt wird.When the shutter moving parts which ¬ example, also additional information can be displayed. This is the case in particular when the movable part is designed as a pointer element. In this case, the pointer can be backlit di ¬ rectly by each parts of the display illuminate the pointer, which are covered by the pointer. In the case of a color display, the color and / or brightness of the illumination can also be changed depending on the position of the pointer or for the presentation of additional information. Particularly simple and with a good appearance of this pointer element is to design as a ring pointer. Here, the ring pointer can be illuminated via the display, for example, by a direct light coupling or by a rotating light-conducting ring, is coupled into the light, for example, via the display.
Es ist auch ein Scheibenzeiger möglich, bei dem ein Zeiger auf einer ansonsten klaren Scheibe angeordnet wird und diese Scheibe vor dem Display, insbesondere um ihren Mittelpunkt drehbar, angeordnet ist . Wenn das Display als LCD ausgestaltet ist, weist es einen ge¬ ringen Stromverbrauch auf. Insbesondere als TFT-LCD kann es auch als Farbdisplay eingesetzt werden. Sofern das Display als Elektronenröhre ausgestaltet ist, kann es eine besonders scharfe Darstellung der Anzeige liefern.A disc pointer is also possible in which a pointer is arranged on an otherwise clear disc and this disc is arranged in front of the display, in particular rotatable about its center. If the display is designed as an LCD, it has a low power consumption. In particular, as a TFT-LCD, it can also be used as a color display. If the display is designed as an electron tube, it can provide a particularly sharp representation of the display.
Die Erfindung wird nachfolgend anhand der Figuren näher erläutert :The invention will be explained in more detail below with reference to the figures:
E s z eigen :Show it :
F ig . 1 : einen Schnitt eines ersten Ausführungsbeispiels der Erfindung,F ig. 1 is a section of a first embodiment of the invention,
F ig . 2 : einen Schnitt durch ein zweites Ausführungsbei- spiel der Erfindung,F ig. 2 shows a section through a second embodiment of the invention,
F ig . 3 : die Aufsicht eines dritten Ausführungsbeispiels der Erfindung,F ig. 3: the top view of a third embodiment of the invention,
F ig . 4 : die Aufsicht auf ein viertes Ausführungsbei¬ spiels der Erfindung,F ig. 4: a top view of a fourth Ausführungsbei ¬, game of the invention,
FFiigg.. 55:: den teilweise mechanischen Aufbau des Ausführungsbeispiels aus Fig. 4,FIG. 55: shows the partially mechanical construction of the embodiment from FIG. 4, FIG.
F ig . 6 : ein weiteres Ausführungsbeispiel.F ig. 6: another embodiment.
In Fig. 1 erkennt man ein Display 1, eine Blende 2, mit Lichtdurchlässen 2a, eine Lichtführung in Form eines Lichtkastens 3, eine Beleuchtungsvorrichtung 4 und symbolhaft dargestellt ein Auge E eines Betrachters und Lichtstrahlen S. Bei dem Display 1 handelt es sich beispielsweise um einen Flüssigkristalldisplay in Form eines TFT-Displays, mit dem eine farbige Darstellung möglich ist. Dieses Display wird durch eine Beleuchtungsvorrichtung 4 beleuchtet. Teile der Lichtstrahlen S, die das Display 1 durchdringen, gelangen nicht direkt zu dem Auge E des Beobachters, sondern werden über den Lichtkasten 3 zu den Lichtdurchlässen 2a der Blende 2 geleitet. So kann auch durch die Lichtdurchlässe 2a eine Information in Form von beispielsweise Skalenstrichen oder Zahlenwerten dargestellt werden. Diese Informationen sind verschiedenfarbig darstellbar, wenn das Display entsprechende Lichtstrahlen aussendet. Wenn das Display 1 statt eines LCD' s als Display mit organischen Leuchtdioden (OLED) ausgestaltet ist, ist die Beleuchtungsvorrichtung 4 überflüssig.In Fig. 1 can be seen a display 1, a diaphragm 2, with light apertures 2a, a light guide in the form of a light box 3, a lighting device 4 and symbolically represented an eye E of a viewer and light beams S. The display 1 is for example a liquid crystal display in the form of a TFT display, with a colored representation is possible. This display is illuminated by a lighting device 4. Parts of the light rays S, which penetrate the display 1, do not reach the eye E of the observer directly, but are guided via the light box 3 to the light passages 2 a of the diaphragm 2. Thus, information in the form of, for example, scale lines or numerical values can also be represented by the light passages 2 a. This information can be displayed in different colors, if the display is appropriate Emits light rays. If the display 1 is configured instead of an LCD as a display with organic light emitting diodes (OLED), the lighting device 4 is superfluous.
In Fig. 2 ist die Blende 2 derart ausgestaltet, dass dieIn Fig. 2, the aperture 2 is designed such that the
Blende 2 nicht nur Bereiche 2b aufweist, die das Display ü- berdecken. Das Ausführungsbeispiel in Fig. 2 unterscheidet sich von dem Ausführungsbeispiel in Fig. 1 dadurch, dass die Blende 2 einen Bereich 2c aufweist, hinter der sich von einem Betrachter mit dem Auge E aus gesehen kein Display 1 befindet. Weiterhin ist die Lichtführung in Form eines Lichtleiters 5, beispielsweise aus Glas oder einem lichtleitendem Kunststoff wie beispielsweise Polyacryl ausgestaltet. Der Lichtleiter 5 führt die Lichtstrahlen auch in dem Bereich 2c der Blende 2, hinter der sich kein Display befindet. So ist es möglich, auch seitlich entfernt von dem Display gelegene Bereiche der Blende zu beleuchten. So kann die Form der Anzeige frei gewählt werden, obwohl das Display 1 rechteckig ausgestaltet ist.Aperture 2 not only has areas 2b which cover the display. The exemplary embodiment in FIG. 2 differs from the exemplary embodiment in FIG. 1 in that the diaphragm 2 has an area 2c behind which no display 1 is seen by a viewer with the eye E. Furthermore, the light guide is designed in the form of a light guide 5, for example made of glass or a light-conducting plastic such as polyacrylic. The light guide 5 also guides the light beams in the region 2c of the diaphragm 2, behind which there is no display. It is thus possible to illuminate areas of the diaphragm which are located laterally away from the display. Thus, the shape of the display can be chosen freely, although the display 1 is designed rectangular.
Bei der Aufsicht auf die Anzeige nach Fig. 3 erkennt man das Display 1 und die Blende 2. Die Blende 2 weist einen Bereich 2b auf, der über dem Display angeordnet ist und einen Bereich 2c, hinter der sich kein Display befindet . Weiterhin weist die Blende 2 Lichtdurchlässe in Form von Skalenstrichen 2a, ein Tanksymbol 2d und einem allgemeinem Warnsymbol 2e auf. Die vorgenannten Lichtdurchlässe 2a, 2d und 2e werden über nicht dargestellte Lichtleiter von dem Display 1 aus beleuch¬ tet. Ein den Skalenstrichen 2a zugeordneter Zeiger kann bei- spielsweise auf dem Display 1 dargestellt werden.In the plan view of the display according to FIG. 3, the display 1 and the panel 2 can be seen. The panel 2 has a region 2b, which is arranged above the display and an area 2c, behind which there is no display. Furthermore, the diaphragm 2 has light passages in the form of graduated lines 2a, a tank symbol 2d and a general warning symbol 2e. The aforementioned light transmissions 2 a, 2 d and 2 e are illuminated by means not shown light guide from the display 1 from ¬ . A pointer associated with the scale lines 2a can be displayed, for example, on the display 1.
In der Anzeige in Fig. 4 erkennt man ein Display 1, eine Blende 2, einen Ringzeiger 10 und einen teilweise verdeckten Ring 11. Auf der Blende 2 sind Skalenwerte 2f und Skalenstri- che 2g zu erkennen. Vorteilhafterweise wird nicht, wie darge¬ stellt, eine positive Darstellung gewählt (schwarze Skalen¬ werte und Skalenstriche auf weißem Grund) sondern als eine Negativdarstellung (helle bzw. weiße Skalenwerte und Skalen- striche auf dunklem bzw. schwarzem Grund), so dass sich die Skalenstriche und Skalenwerte durch Lichtdurchlässe in der Blende ausgestalten lassen. Diese Lichtdurchlässe können bei¬ spielsweise als Öffnungen in der Blende ausgestaltet sein o- der aber durch lichtdurchlässige Bereiche realisiert sein. Die positive Darstellung in Fig. 4 wurde nur der einfacheren Darstellbarkeit wegen gewählt. Der Ring 11 kann beispielswei¬ se wie dargestellt selbst leuchten oder aber aus lichtdurchlässigem Material ausgestaltet sein, das aber zum Betrachter hin lichtundurchlässig oder lichtreduziert ausgestaltet ist und das in ihm vorhandene Licht in dem Ringzeiger 10 einkop¬ pelt, so dass der Ringzeiger 10 beleuchtet wird. Licht kann in den Ring 11 durch das Display 1 oder eine separate Licht¬ quelle eingekoppelt werden. Es ist auch möglich, neben dem Ring 11 einen zusätzlichen Lichtleiter anzuordnen und direkt Licht in den Ringzeiger 10 anzukoppeln.The display in FIG. 4 shows a display 1, a diaphragm 2, a ring pointer 10 and a partially concealed ring 11. Scale 2f and scale line 2g can be seen on the diaphragm 2. Advantageously, not as Darge ¬ is selected a positive display (black scale ¬ values and scale lines on a white background) but as a negative display (bright or white scale values and scales strokes on a dark or black background), so that the graduation marks and scale values can be designed by light apertures in the aperture. These light passages may be o- play designed as openings in the stop at the ¬ but be realized by light-transmissive regions. The positive representation in Figure 4 has been chosen for simplicity of illustration only. The ring 11 can beispielswei ¬ se as shown shine itself or be made of translucent material, but the viewer is out opaque or light reduced designed and einkop ¬ pelt in his existing light in the ring pointer 10, so that the ring pointer 10 is illuminated , Light can be coupled into the ring 11 through the display 1 or a separate source of light ¬ . It is also possible, in addition to the ring 11 to arrange an additional light guide and directly couple light in the ring pointer 10.
Bei dem teilweise dargestellten mechanischen Aufbau in Fig. 5 erkennt man das Display 1 und den Ring 11. Weiterhin sind La- ger 12 des Rings und ein Antrieb 13 mit Zahnrad 14 darge¬ stellt. Das Zahnrad 14 greift in Zähne eines Zahnkranzes IIa ein, der einstückig mit dem Ring 11 ausgebildet ist. Anstelle eines Zahnrades können auch andere reib- oder kraftschlüssige Getriebekombinationen wie beispielsweise Keilriemen oder Zahnriemen verwendet werden. Licht wird vom Display 1 in den Ring 11 eingekoppelt und von dort in den Ringzeiger 10 einge¬ koppelt und beleuchtet so den Ringzeiger 10. Der Ring 11 selbst ist zum Betrachter hin mit einer lichtundurchlässigen Schicht bedeckt bzw. überzogen.In the partially illustrated mechanical structure in Fig. 5 one can see the display 1 and the ring 11. Further, provides laser ger 12 of the ring 13 and a drive gear 14 with Darge ¬. The gear 14 engages teeth of a ring gear IIa, which is formed integrally with the ring 11. Instead of a gear other frictional or non-positive gear combinations such as V-belt or timing belt can be used. Light is coupled from the display 1 in the ring 11 and from there into the ring pointer 10 is ¬ coupled and thus illuminates the ring pointer 10. The ring 11 itself is covered to the viewer with an opaque layer or coated.
Anstelle eines Ringzeigers kann auch ein mehrfach gekröpfter Zeiger 15 Verwendung finden, dessen Antrieb 16 hinter dem Display 1 angeordnet ist, dann hinter dem Display bis über die Grenzen des Displays nach außen geführt wird und dann doppelt umgebogen wieder zu seiner Drehachse hin gebogen ist und eine Zeigerspritze 15a darstellen kann, die sich über dem Display 1 und der Blende 2 bewegen kann, ohne dass eine An¬ triebswelle durch das Display 1 geführt werden muss (Fig. 6) . Instead of a ring hand, a multi-cranked pointer 15 can be used, the drive 16 is arranged behind the display 1, then behind the display is led beyond the limits of the display to the outside and then bent twice bent back to its axis of rotation and a Pointer syringe 15a may represent, which can move over the display 1 and the aperture 2, without that a ¬ drive shaft through the display 1 must be performed (Fig. 6).

Claims

Patentansprüche claims
1. Anzeige mit einem elektrooptischen Display (1), da¬ durch gekennzeichnet , dass vor dem Display (1) eine Blende (2) angeordnet ist, die das Display (1) teilweise überdeckt und so die Blende (2) einen das Display (1) überdeckenden Bereich aufweist, dass der überdeckte Bereich des Displays (1) die Blende (2) be¬ leuchtet, dass Teile (2a, 2b, 2d, 2f, 2g) der Blende (2) lichtdurchlässig ausgestaltet sind.1. Display with an electro-optical display (1), ¬ characterized in that in front of the display (1) an aperture (2) is arranged, which covers the display (1) partially and so the aperture (2) a display ( 1) covering area, that the covered area of the display (1), the aperture (2) be ¬ lit, that parts (2 a, 2 b , 2 d , 2 f , 2 g) of the panel (2) are designed to be translucent.
2. Anzeige nach Anspruch 1, dadurch gekennzeichnet , dass der überdeckte Bereich des Displays (1) den überdeckten Teil (2b) der Blende (2) beleuchtet.2. Display according to claim 1, characterized in that the covered area of the display (1) illuminates the covered part (2b) of the diaphragm (2).
3. Anzeige nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet , dass zwischen dem Dis¬ play (1) und der Blende (2) ein Lichtleiter (5) ange¬ ordnet ist .3. Display according to one of the preceding claims, characterized in that between the Dis ¬ play (1) and the diaphragm (2) has a light guide (5) is arranged ¬ .
4. Anzeige nach Anspruch 3, dadurch gekennzeichnet , dass die Blende (2) einen Bereich (2c) aufweist, in dem sich kein Display (1) befindet und dass der Lichtleiter (5) Licht in diesen Bereich leitet.4. Display according to claim 3, characterized in that the diaphragm (2) has a region (2c) in which there is no display (1) and that the light guide (5) passes light in this area.
5. Anzeige nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet , dass die Blende (2) als Schalter ausgestaltet ist.5. Display according to one of the preceding claims, characterized in that the diaphragm (2) is designed as a switch.
6. Anzeige nach einem der vorstehenden Ansprüche, da¬ durch gekennzeichnet , dass die Blende (2) be¬ wegliche Teile (11) aufweist.6. Display according to one of the preceding claims, ¬ characterized in that the diaphragm (2) be ¬ movable parts (11).
7. Anzeige nach Anspruch 6, dadurch gekennzeich- net , dass ein bewegliches Teil als Zeigerelement aus¬ gestaltet ist . 7. Display according to claim 6, characterized marked, that a movable part is designed as a pointer element ¬ .
8. Anzeige nach Anspruch 6 oder 7, dadurch gekennzeichnet , dass die beweglichen Teil vor den Teilen des Displays beleuchtet werden, die durch die bewegli¬ chen Teile abgedeckt werden.8. Display according to claim 6 or 7, characterized in that the movable part are illuminated in front of the parts of the display, which are covered by the bewegli ¬ chen parts.
9. Anzeige nach Anspruch 7 oder 8, dadurch gekennzeichnet , dass der Zeiger als Ringzeiger (10) aus¬ gestaltet ist .9. Display according to claim 7 or 8, characterized in that the pointer is designed as a ring pointer (10) ¬ .
10. Anzeige nach Anspruch 9, dadurch gekennzeichnet , dass der Ringzeiger (10) durch das Display (1) zusätzlich beleuchtbar ist.10. A display according to claim 9, characterized in that the ring pointer (10) through the display (1) is additionally illuminated.
11. Anzeige nach einem der vorstehenden Ansprüche, da- durch gekennzeichnet , dass das Display (1) als11. Display according to one of the preceding claims, character- ized in that the display (1) as
Flüssigkristalldisplay (LCD) ausgestaltet ist.Liquid crystal display (LCD) is designed.
12. Anzeige nach Anspruch 11, dadurch gekennzeichnet , dass das Display (1) als TFT-LCD ausgestaltet ist.12. A display according to claim 11, characterized in that the display (1) is designed as a TFT-LCD.
13. Anzeige nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet , dass das Display (1) als organi¬ sches lichtemittierendes Display (OLED) ausgestaltet ist.13. Display according to one of claims 1 to 10, characterized in that the display (1) is designed as an organic light ¬ emitting display (OLED).
14. Anzeige nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet , dass das Display (1) als Elektro¬ nenröhre ausgestaltet ist. 14. Display according to one of claims 1 to 10, characterized in that the display (1) is designed as an electric ¬ nenröhre.
EP06778373A 2005-09-09 2006-08-28 Indicator having an electrooptical display Withdrawn EP1922582A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005043235A DE102005043235A1 (en) 2005-09-09 2005-09-09 Display with an electro-optical display
PCT/EP2006/065716 WO2007028730A1 (en) 2005-09-09 2006-08-28 Indicator having an electrooptical display

Publications (1)

Publication Number Publication Date
EP1922582A1 true EP1922582A1 (en) 2008-05-21

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Country Link
US (1) US20090116212A1 (en)
EP (1) EP1922582A1 (en)
JP (1) JP2009508152A (en)
CN (1) CN101258438A (en)
DE (1) DE102005043235A1 (en)
WO (1) WO2007028730A1 (en)

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US20090116212A1 (en) 2009-05-07
DE102005043235A1 (en) 2007-03-15
CN101258438A (en) 2008-09-03
JP2009508152A (en) 2009-02-26
WO2007028730A1 (en) 2007-03-15

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