DE102005007427A1 - Motor vehicle e.g. land vehicle, has controller providing automatic adjustment of transparency of segment such as sun visor of window pane in dependence of output signal of glare sensor - Google Patents

Motor vehicle e.g. land vehicle, has controller providing automatic adjustment of transparency of segment such as sun visor of window pane in dependence of output signal of glare sensor Download PDF

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Publication number
DE102005007427A1
DE102005007427A1 DE102005007427A DE102005007427A DE102005007427A1 DE 102005007427 A1 DE102005007427 A1 DE 102005007427A1 DE 102005007427 A DE102005007427 A DE 102005007427A DE 102005007427 A DE102005007427 A DE 102005007427A DE 102005007427 A1 DE102005007427 A1 DE 102005007427A1
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Germany
Prior art keywords
motor vehicle
segment
transparency
window pane
layer
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Ceased
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DE102005007427A
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German (de)
Inventor
Ruprecht Sinnhuber
Thomas Wohllebe
Tycho Von Jan
Helmut Walter
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Volkswagen AG
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Volkswagen AG
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Priority to DE102005007427A priority Critical patent/DE102005007427A1/en
Publication of DE102005007427A1 publication Critical patent/DE102005007427A1/en
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/22—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means
    • G01J1/24—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means using electric radiation detectors
    • G01J1/26—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means using electric radiation detectors adapted for automatic variation of the measured or reference value
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10174—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
    • B32B17/10183—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer being not continuous, e.g. in edge regions
    • B32B17/10192—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer being not continuous, e.g. in edge regions patterned in the form of columns or grids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10431—Specific parts for the modulation of light incorporated into the laminated safety glass or glazing
    • B32B17/10467—Variable transmission
    • B32B17/10495—Variable transmission optoelectronic, i.e. optical valve
    • B32B17/10504—Liquid crystal layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10431—Specific parts for the modulation of light incorporated into the laminated safety glass or glazing
    • B32B17/10467—Variable transmission
    • B32B17/10495—Variable transmission optoelectronic, i.e. optical valve
    • B32B17/10532—Suspended particle layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
    • B60J3/04—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles adjustable in transparency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0418—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using attenuators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0429—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using polarisation elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J2001/0276—Protection
    • 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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G02F1/13318—Circuits comprising a photodetector

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

The motor vehicle has a window pane with a segment such as sun visor having a self-sounding layer in dependence of light impinging on the segment. A glare sensor (61) measures the eyelid position and/or a pupil size and/or position of the eye of a passenger of the vehicle. A controller (60) provides automatic adjustment of the transparency of the segment of the window pane in dependence of the output signal of the glare sensor. An independent claim is also included for a method for operating a motor vehicle.

Description

Die Erfindung betrifft ein Kraftfahrzeug mit einer Fensterscheibe, insbesondere einer Windschutzscheibe, zum Abdecken eines Innenraums des Kraftfahrzeuges, wobei eine Transparenz zumindest eines Segmentes der Fensterscheibe einstellbar ist. Ein solches Segment ist insbesondere in einem oberen Bereich der Windschutzscheibe des Kraftfahrzeuges als Sonnenblende vorgesehen.The The invention relates to a motor vehicle with a window, in particular a windshield, for covering an interior of the motor vehicle, wherein a transparency of at least one segment of the window pane is adjustable. Such a segment is in particular in an upper one Area of the windshield of the motor vehicle as a sun visor intended.

Die DE 102 53 507 A1 offenbart ein Verfahren zum automatischen Ansteuern bzw. Steuern einer einem Kraftfahrzeug zugeordneten Sonnenschutzeinrichtung, wobei die Sonnenschutzeinrichtung in Abhängigkeit eines aktuellen Sonnenstands und von aktuellen Routendaten und -informationen, wie etwa der aktuellen Ausrichtung, der Fahrtroute und/oder der Position, des Kraftfahrzeuges relativ zur Sonne adaptiv angesteuert bzw. adaptiv gesteuert wird. Dazu wird der Sonnenstand, insbesondere der Inklinationswinkel bzw. die Sonnenhöhe sowie die Himmelsrichtung bzw. die Sonnenrichtung, aus astronomischen Daten bestimmt. Zudem ist dabei vorgesehen, dass die Ausrichtung bzw. die Fahrtroute bzw. die Position des Kraftfahrzeuges relativ zur Sonne mittels einer Videobildauswertung berechnet wird.The DE 102 53 507 A1 discloses a method for automatically controlling a sunshade device associated with a motor vehicle, the sunshade device depending on a current position of the sun and current route data and information, such as the current orientation, the route and / or the position of the motor vehicle relative to the sun is controlled adaptively or adaptively controlled. For this purpose, the position of the sun, in particular the angle of inclination or the height of the sun and the direction or direction of the sun, are determined from astronomical data. In addition, it is provided that the orientation or the travel route or the position of the motor vehicle relative to the sun is calculated by means of a video image evaluation.

Die DE 100 57 795 A1 offenbart ein Verfahren zur lokal veränderbaren Abdunklung von Fahrzeugverglasungen bzw. eines Flächenbereichs einer Scheibenfläche, wobei eine automatische Veränderung der Abdunklung der Fahrzeugverglasungen entsprechend einer vorgebbaren Abdunklungsstrategie erfolgt. Die Abdunklung erfolgt dabei abhängig von der Richtung, in der sich eine störende Lichtquelle befindet. Zudem wird eine Sitzbelegung und die Sitzeinstellungen eines elektrisch verstellbaren Sitzes erfasst, wobei die Abdunklung der Fahrzeugverglasungen abhängig von der Sitzbelegung und den Sitzeinstellungen erfolgt. Alternativ oder ergänzend wird mittels eines Navigationssystems die Richtung ermittelt, aus der die Sonneneinstrahlung erfolgt.The DE 100 57 795 A1 discloses a method for locally variable darkening of vehicle glazing or of a surface area of a pane surface, wherein an automatic change of the dimming of the vehicle glazings takes place in accordance with a predefinable darkening strategy. The darkening takes place depending on the direction in which a disturbing light source is located. In addition, a seat occupancy and the seat settings of an electrically adjustable seat is detected, the darkening of the vehicle glazing is done depending on the seat occupancy and the seat settings. Alternatively or additionally, the direction is determined by means of a navigation system, from which the solar radiation takes place.

Die DE 198 14 094 A1 offenbart eine Vorrichtung und ein Verfahren zur Abdunklung einer transparenten Scheibe als Schutz gegen Störungsquellen von einer Seite der Scheibe, wie störende Durchsicht, störende Lichtquelle oder störende Wärmeeinwirkungen, und/oder als Informationsanzeige, wobei die Vorrichtung örtlich selektiv elektrisch ansteuerbare Abdunklungselemente aufweist, um die Scheibe in einem Durchtrittsbereich der Störquelle durch die Scheibe selektiv örtlich zum Bilden einer Stör- oder Bendschutzscheibe abzudunkeln oder zum Bilden einer Sicht- oder Wärmeschutzscheibe eine abgestufte Gesamtabdunklung der Scheibe zu ermöglichen oder zum Bilden einer Informationsanzeigescheibe die Scheibe örtlich selektiv zum Anzeigen von Informationen abzudunkeln.The DE 198 14 094 A1 discloses an apparatus and method for darkening a transparent pane as protection against sources of disturbance from one side of the pane, such as annoying peek, interfering light source or disturbing heat, and / or as an information display, the device having locally selectively electrically controllable darkening elements around the pane in a passage area of the source of interference through the disk selectively to darken locally to form an interference or Bendschutzscheibe or to form a sight or heat shield to enable a graded Gesamtabdunklung the disc or to form an information display disc locally selectively to display information.

Die DE 198 24 084 A1 offenbart eine Blendschutzeinrichtung für ein Kraftfahrzeug mit einer abdunkelbaren Filterscheibe. Dabei ist eine Steuereinheit mit Sensoren zum Erfassen eines Blendobjektes und mit einer Kamera zum Erfassen der Augenposition eines Kraftfahrzeuginsassen verbunden. Die Filterscheibe ist matrixartig ausgebildet, wobei einzelne Matrixelemente abdunkelbar sind, so dass ein abgedunkelter Bereich verzögerungsfrei auf einer Filterscheibe erzeugbar ist. Der abgedunkelte Bereich folgt dabei der Bewegung des Blendobjektes und passt sich dem Blendobjekt in seiner Größe und in seinem Abdunkelungsverhalten an.The DE 198 24 084 A1 discloses an anti-glare device for a motor vehicle with a darkenable filter disc. In this case, a control unit is connected to sensors for detecting a glare object and to a camera for detecting the eye position of a motor vehicle occupant. The filter disk has a matrix-like design, wherein individual matrix elements can be darkened so that a darkened region can be generated without delay on a filter disk. The darkened area follows the movement of the dazzling object and adapts to the dazzling object in its size and in its darkening behavior.

Fensterscheiben mit einer einstellbaren Transparenz sind z.B. aus der US 6 674 419 , der US 6 597 412 , der US 6 522446 , der US 6 606 185 , der US 6 301 040 , der EP 0 608 203 B1 , der Druckschrift BINE I/02, herausgegeben vom Fachinformationszentrum Karlsruhe, Gesellschaft für wissenschaftlich-technische Information mbH, sowie der Internetseite www.smartglass.com bekannt.Windows with an adjustable transparency are eg from the US 6,674,419 , of the US Pat. No. 6,597,412 , of the US 6 522446 , of the US Pat. No. 6,606,185 , of the US 6,301,040 , of the EP 0 608 203 B1 , the publication BINE I / 02, published by the Fachinformationszentrum Karlsruhe, Society for Scientific and Technical Information mbH, and the website www.smartglass.com.

Fensterscheiben mit einer einstellbaren Transparenz können z.B. von der FLABEG GmbH & Co. KG, Siemensstraße 3, 90766 Fürth, Deutschland oder der GESIMAT GmbH, Gesellschaft für intelligente Materialien und Technologien, Innovationspark Wuhlheide, Köpenicker Straße 325, 12555 Berlin, Deutschland bezogen werden.window panes with adjustable transparency, e.g. from FLABEG GmbH & Co. KG, Siemensstrasse 3, 90766 Fuerth, Germany or the GESIMAT GmbH, society for intelligent Materials and technologies, Wuhlheide Innovation Park, Köpenicker Street 325, 12555 Berlin, Germany.

Es ist Aufgabe der Erfindung, einen verbesserten Blendschutz für ein Kraftfahrzeug anzugeben.It Object of the invention, an improved glare protection for a motor vehicle specify.

Vorgenannte Aufgabe wird durch ein Kraftfahrzeug mit einer Fensterscheibe, insbesondere einer Windschutzscheibe, zum Abdecken eines Innenraums des Kraftfahrzeuges gelöst, wobei eine Transparenz zumindest eines Segmentes der Fensterscheibe einstellbar ist, und wobei das Kraftfahrzeug einen Blendsensor zur Messung einer Augenlidstellung und/oder einer Pupillengröße und/oder einer Augenposition eines Insassen des Kraftfahrzeuges und eine Steuerung zur automatischen Einstellung der Transparenz des Segmentes der Fensterscheibe in Abhängigkeit eines Ausgangssignals des Blendsensors aufweist. Ein solches Segment ist insbesondere in einem oberen Bereich der Windschutzscheibe des Kraftfahrzeuges als Sonnenblende vorgesehen.The aforementioned Task is by a motor vehicle with a window, in particular a windshield, for covering an interior of the motor vehicle solved, wherein a transparency of at least one segment of the window pane is adjustable, and wherein the motor vehicle is a blend sensor for Measurement of an eyelid position and / or a pupil size and / or an eye position of an occupant of the motor vehicle and a Control for automatic adjustment of the transparency of the segment the window pane in dependence having an output signal of the blend sensor. Such a segment is in particular in an upper region of the windshield of the motor vehicle intended as a sun visor.

In einer vorteilhaften Ausgestaltung der Erfindung umfasst die Fensterscheibe eine PALC Schicht und/oder eine SPD Schicht. Insbesondere umfasst die Fensterscheibe eine auf einer PALC Schicht angeordnete SPD Schicht. In einer weiteren Ausgestaltung der Erfindung ist dabei zwischen der PALC Schicht und der SPD Schicht eine PVB Schicht oder eine PU Schicht angeordnet. Zudem kann auf einer der PALC Schicht abgewandten Seite der SPD Schicht eine PVB Schicht und/oder auf einer der SPD Schicht abgewandten Seite der PALC Schicht eine PVB Schicht angeordnet sein.In an advantageous embodiment of the invention, the window pane comprises a PALC layer and / or an SPD layer. In particular, the window pane comprises an SPD layer arranged on a PALC layer. In another According to an embodiment of the invention, a PVB layer or a PU layer is arranged between the PALC layer and the SPD layer. In addition, on a side of the SPD layer facing away from the PALC layer, a PVB layer and / or a PVB layer arranged on a side of the PALC layer facing away from the SPD layer can be arranged.

Eine PALC Schicht kann abhängig von einer angelegten Spannung einen Zustand annehmen, in dem sie transparent ist, und einen Zustand annehmen, in dem sie opak ist. Geeignete PALC Schichten sind in der US 6 674 419 und der US 6 597 412 offenbart. PALC Schichten im Sinne der Ansprüche sollen insbesondere PALC Schichten im strengen Sinne sein, wie sie in der US 6 674 419 und der US 6 597 412 offenbart sind. PALC Schichten im Sinne der Ansprüche können aber auch ähnliche Schichten sein. PALC Schichten im Sinne der Ansprüche können auch generell Schichten sein, die abhängig von einer angelegten Spannung, insbesondere durch eine orthogonale Polarisierung von Licht, einen Zustand annehmen können, in dem sie transparent sind, und einen Zustand annehmen können, in dem sie opak sind.A PALC layer may assume a state in which it is transparent, depending on an applied voltage, and assume a state in which it is opaque. Suitable PALC layers are in the US 6,674,419 and the US Pat. No. 6,597,412 disclosed. PALC layers within the meaning of the claims are intended to be in particular PALC layers in the strict sense as they are in the US 6,674,419 and the US Pat. No. 6,597,412 are disclosed. However, PALC layers within the meaning of the claims can also be similar layers. PALC layers within the meaning of the claims can also generally be layers which, depending on an applied voltage, in particular by an orthogonal polarization of light, can assume a state in which they are transparent and can assume a state in which they are opaque.

Eine SPD Schicht kann abhängig von der Höhe einer angelegten Spannung eine unterschiedlich starke Tönung annehmen. Geeignete SPD Schichten sind in der US 6 522446 , der US 6 606 185 und der US 6 301 040 offenbart. SPD Schichten im Sinne der Ansprüche sollen insbesondere SPD Schichten im strengen Sinne sein, wie sie in der US 6 522446 , der US 6 606 185 und der US 6 301 040 offenbart sind. SPD Schichten im Sinne der Ansprüche können aber auch ähnliche Schichten sein. SPD Schichten im Sinne der Ansprüche können auch generell Schichten sein, die abhängig von der Höhe einer angelegten Spannung eine unterschiedlich starke Tönung annehmen können.An SPD layer may assume a different hue depending on the magnitude of an applied voltage. Suitable SPD layers are in the US 6 522446 , of the US Pat. No. 6,606,185 and the US 6,301,040 disclosed. SPD layers within the meaning of the claims are to be in the strict sense in particular SPD layers, as they are in the US 6 522446 , of the US Pat. No. 6,606,185 and the US 6,301,040 are disclosed. However, SPD layers within the meaning of the claims can also be similar layers. SPD layers within the meaning of the claims may also generally be layers which, depending on the magnitude of an applied voltage, may assume a different degree of hue.

In weiterhin vorteilhafter Ausgestaltung der Erfindung weist das Segment eine in Abhängigkeit von auf das Segment auftreffendem Licht selbsttönende Schicht auf. Dabei ist in weiterhin vorteilhafter Ausgestaltung der Erfindung ein Tönungssensor zur Messung der Tönung des Segmentes oder eines anderen Segmentes vorgesehen, wobei Transparenz des Segmentes der Fensterscheibe mittels der Steuerung automatisch in Abhängigkeit eines Ausgangssignals des Tönungssensors einstellbar ist. Dabei ist die selbsttönende Schicht insbesondere außerhalb der SPD Schicht bzw. der PALC Schicht angeordnet.In Furthermore, advantageous embodiment of the invention, the segment one depending on self-tinting layer impinging on the segment. It is in a further advantageous embodiment of the invention, a tinting sensor for measuring the tint of the segment or of another segment, whereby transparency of the Segmentes of the window pane by means of the control automatically in dependence an output of the tinting sensor is adjustable. In this case, the self-tinting layer is particular except for SPD layer or the PALC layer arranged.

In weiterhin vorteilhafter Ausgestaltung der Erfindung weist das Kraftfahrzeug einen Umgebungsscanner zur Erzeugung eines, insbesondere dreidimensionalen, Abbildes von einer Umgebung des Kraftfahrzeuges oder zumindest von einem Teil der Umgebung des Kraftfahrzeuges auf, wobei die Transparenz des Segmentes der Fensterscheibe mittels der Steuerung automatisch in Abhängigkeit eines Ausgangssignals des Umgebungsscanners einstellbar ist.In Furthermore, an advantageous embodiment of the invention, the motor vehicle an environmental scanner for generating one, in particular three-dimensional, Image of an environment of the motor vehicle or at least of a part of the environment of the motor vehicle, wherein the transparency of the segment of the window pane by means of the control automatically dependent on an output signal of the environmental scanner is adjustable.

In weiterhin vorteilhafter Ausgestaltung der Erfindung weist die Fensterscheibe zumindest zwei, insbesondere zumindest fünf, Segmente auf, deren Transparenz mittels der Steuerung unabhängig voneinander automatisch, insbesondere in Abhängigkeit des Ausgangssignals des Blendsensors und/oder des Ausgangssignals des Umgebungsscanners, einstellbar ist.In Furthermore, an advantageous embodiment of the invention, the window pane at least two, in particular at least five, segments whose transparency independent by the control each other automatically, in particular depending on the output signal the blend sensor and / or the output of the environmental scanner, is adjustable.

In einer weiteren vorteilhaften Ausgestaltung der Erfindung umfasst das Kraftfahrzeug weiterhin einen, insbesondere weniger als 10cm von der Fensterscheibe entfernten oder mechanisch mit der Fensterscheibe verbundenen, Spannungskonverter zur Transformation der Spannung eines von der Steuerung erzeugbaren Steuersignals zur Einstellung der Transparenz der Fensterscheibe bzw. des Segmentes. Geeignete Spannungskonverter können z.B. von der Endicott Research Group, Inc., 2601 Wayne St., Endicott NY 13760, USA bezogen werden. Ein besonders geeigneter Spannungskonverter ist der LSP 12-3-14 H Spannungskonverter der Endicott Research Group, Inc.. Der LSP 12-3-14 H Spannungskonverter transformiert eine 12V Gleichspannung in eine 120V Wechselspannung.In a further advantageous embodiment of the invention the motor vehicle continues to have one, in particular less than 10cm removed from the window pane or mechanically with the window pane connected, voltage converter for transforming the voltage a control signal for adjustment that can be generated by the controller the transparency of the window pane or of the segment. suitable Voltage converters can e.g. from Endicott Research Group, Inc., 2601 Wayne St., Endicott NY 13760, USA. A particularly suitable voltage converter is the LSP 12-3-14 H voltage converter of the Endicott Research Group, Inc .. The LSP 12-3-14 H voltage converter transforms a 12V DC voltage in a 120V AC voltage.

In einer weiteren vorteilhaften Ausgestaltung der Erfindung ist die Transparenz des Segmentes der Fensterscheibe zudem in Abhängigkeit eines Ausgangssignals eines Sensors zur Messung der auf die Fensterscheibe einwirkenden Sonneneinstrahlung, in Abhängigkeit des Ausgangssignals eines Regensensors und/oder in Abhängigkeit eines Ausgangssignals eines Lichtsensors zur Messung der außerhalb des Kraftfahrzeugs präsenten Lichtmenge automatisch einstellbar. In einer weiteren vorteilhaften Ausgestaltung der Erfindung ist die Transparenz des Segmentes der Fensterscheibe zudem manuell, z.B. mittels eines Bedienelementes, einstellbar.In a further advantageous embodiment of the invention is the Transparency of the segment of the window also dependent an output signal of a sensor for measuring the on the window pane acting solar radiation, depending on the output signal a rain sensor and / or in response to an output signal a light sensor for measuring the outside of the motor vehicle -present Amount of light automatically adjustable. In a further advantageous Embodiment of the invention is the transparency of the segment of the Window also manually, e.g. by means of a control element, adjustable.

Vorgenannte Aufgabe wird – insbesondere in Verbindung mit einem oder mehreren der vorgenannten Merkmale – zudem durch ein Kraftfahrzeug mit einer Fensterscheibe, insbesondere einer Windschutzscheibe, zum Abdecken eines Innenraums des Kraftfahrzeuges gelöst, wobei eine Transparenz zumindest eines Segmentes der Fensterscheibe einstellbar ist, und wobei das Kraftfahrzeug einen Umgebungsscanner zur Erzeugung eines, insbesondere dreidimensionalen, Abbildes von einer Umgebung des Kraftfahrzeuges oder zumindest von einem Teil der Umgebung des Kraftfahrzeuges und eine Steuerung zur automatischen Einstellung der Transparenz des Segmentes der Fensterscheibe in Abhängigkeit eines Ausgangssignals des Umgebungsscanners aufweist.The above object is - in particular in conjunction with one or more of the aforementioned features - also solved by a motor vehicle with a window, in particular a windshield, for covering an interior of the motor vehicle, wherein a transparency of at least one segment of the window pane is adjustable, and wherein the motor vehicle an environmental scanner for generating a, in particular three-dimensional, image of an environment of the motor vehicle or at least of a part of the environment of the motor vehicle and a controller for automatically adjusting the transparency of the segment of the window pane in response to an output signal of the environmental scanner having.

Vorgenannte Aufgabe wird – insbesondere in Verbindung mit einem oder mehreren der vorgenannten Merkmale – zudem durch ein Verfahren zum Betrieb eines Kraftfahrzeuges mit einer Fensterscheibe, insbesondere einer Windschutzscheibe, zum Abdecken eines Innenraums des Kraftfahrzeuges gelöst, wobei eine Transparenz zumindest eines Segmentes der Fensterscheibe in Abhängigkeit einer Augenlidstellung und/oder einer Pupillengröße und/oder einer Augenposition eines Insassen des Kraftfahrzeuges und/oder in Abhängigkeit eines Ausgangssignals eines Umgebungsscanners zur Erzeugung eines, insbesondere dreidimensionalen, Abbildes von einer Umgebung des Kraftfahrzeuges oder zumindest von einem Teil der Umgebung des Kraftfahrzeuges automatisch eingestellt wird.The aforementioned Task becomes - in particular in conjunction with one or more of the aforementioned features - moreover by a method for operating a motor vehicle with a Window, in particular a windshield, for covering an interior of the motor vehicle solved, with a transparency at least one segment of the window pane in dependence an eyelid position and / or a pupil size and / or an eye position an occupant of the motor vehicle and / or in dependence an output signal of an environment scanner for generating a, especially three - dimensional, image of an environment of Motor vehicle or at least part of the environment of the motor vehicle is set automatically.

Vorgenannte Aufgabe wird zudem durch ein Kraftfahrzeug mit einer Fensterscheibe, insbesondere einer Windschutzscheibe, zum Abdecken eines Innenraums des Kraftfahrzeuges gelöst, wobei die Fensterscheibe oder ein Teil der Fensterscheibe eine, insbesondere in Abhängigkeit von auf die Fensterscheibe oder auf den Teil der Fensterscheibe auftreffendem Licht, selbsttönende Schicht aufweist. Derartige selbsttönende Schichten sind z.B. im Zusammenhag mit Brillen bekannt.The aforementioned Task is also by a motor vehicle with a window, in particular a windshield, for covering an interior space of the motor vehicle, the windowpane or a part of the windowpane being a especially depending on the windowpane or on the part of the windowpane incident light, self-tinting Layer has. Such self-tinting layers are e.g. in the Together with glasses known.

Kraftfahrzeug im Sinne der Erfindung ist insbesondere ein individuell im Straßenverkehr benutzbares Landfahrzeug. Kraftfahrzeuge im Sinne der Erfindung sind insbesondere nicht auf Landfahrzeuge mit Verbrennungsmotor beschränkt.motor vehicle in the context of the invention is in particular an individual on the road usable land vehicle. Motor vehicles in the context of the invention especially not on land vehicles with internal combustion engine limited.

Weitere Vorteile und Einzelheiten ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen. Dabei zeigen:Further Advantages and details will become apparent from the following description of exemplary embodiments. Showing:

1 ein Ausführungsbeispiel eines Kraftfahrzeuges, 1 an embodiment of a motor vehicle,

2 ein Ausführungsbeispiel eines Teils einer Windschutzscheibe eines Kraftfahrzeuges, 2 an embodiment of a part of a windshield of a motor vehicle,

3 einen Querschnitt durch einen Teil einer Windschutzscheibe, 3 a cross section through a portion of a windshield,

4 einen Querschnitt durch eine SPD Schicht, 4 a cross section through an SPD layer,

5 einen Querschnitt durch eine PALC Schicht, 5 a cross section through a PALC layer,

6 eine Prinzipdarstellung einer Vorrichtung zur automatischen Einstellung der Transparenz einer Windschutzscheibe und 6 a schematic diagram of a device for automatically adjusting the transparency of a windshield and

7 eine Prinzipdarstellung einer Erkennung eines Fußgängers. 7 a schematic representation of a recognition of a pedestrian.

1 zeigt ein Ausführungsbeispiel eines Kraftfahrzeuges 1. Dabei bezeichnet Bezugszeichen 2 die Windschutzscheibe des Kraftfahrzeuges 1 und Bezugszeichen 3 den – in 2 ausschnittsweise dargestellten – oberen Teil der Windschutzscheibe 2. Zumindest der obere Teil 3 der Windschutzscheibe 2 ist in zweimal zwölf Segmente 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 bzw. 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 unterteilt, deren Transparenz unabhängig voneinander einstellbar ist. 1 shows an embodiment of a motor vehicle 1 , Here, reference numeral designates 2 the windshield of the motor vehicle 1 and reference numerals 3 the - in 2 fragmentary illustrated - upper part of the windshield 2 , At least the upper part 3 the windshield 2 is in twice twelve segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 respectively. 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 divided, whose transparency is independent of each other adjustable.

Vorteilhafterweise erfolgt die Ansteuerung der Segmente derart, dass für die Insassen, beispielsweise für den Fahrer und Beifahrer, eine individuelle Einstellung möglich ist.advantageously, the control of the segments takes place in such a way that for the occupants, for example the driver and front passenger, an individual setting is possible.

3 zeigt einen Querschnitt eines Segmentes 40, wobei Bezugszeichen 43 eine SPD Schicht und Bezugszeichen 45 eine PALC Schicht bezeichnet. Zwischen der SPD Schicht 43 und der PALC Schicht 45 ist eine Schicht 44 aus PVB oder PU angeordnet. Auf einer der PALC Schicht 45 abgewandten Seite der SPD Schicht 43 ist eine PVB Schicht 42 angeordnet. Auf einer der SPD Schicht 42 abgewandten Seite der PVB Schicht 42 ist wiederum eine Glasschicht 41 angeordnet. Zudem ist auf einer der SPD Schicht 43 abgewandten Seite der PALC Schicht 45 eine PVB Schicht 46 angeordnet. Auf einer der PALC Schicht 45 abgewandten Seite der PVB Schicht 46 ist wiederum eine Glasschicht 47 angeordnet. Die Segmente 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 oder ein Teil der Segmente 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 sind entsprechend dem mit Bezugzeichen 40 bezeichneten Segment ausgestaltet. Es kann auch vorgesehen sein, dass die Segmente 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 oder ein Teil der Segmente 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 entweder eine SPD Schicht 42 oder eine PALC Schicht 45 aufweisen. 3 shows a cross section of a segment 40 , wherein reference numerals 43 an SPD layer and reference numerals 45 a PALC layer. Between the SPD layer 43 and the PALC layer 45 is a layer 44 made of PVB or PU. On one of the PALC layer 45 opposite side of the SPD layer 43 is a PVB layer 42 arranged. On one of the SPD layer 42 opposite side of the PVB layer 42 is again a glass layer 41 arranged. Moreover, on one of the SPD layer 43 opposite side of the PALC layer 45 a PVB layer 46 arranged. On one of the PALC layer 45 opposite side of the PVB layer 46 is again a glass layer 47 arranged. The segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 or part of the segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 are according to the reference 40 designated segment designed. It can also be provided that the segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 or part of the segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 either an SPD layer 42 or a PALC layer 45 exhibit.

Die SPD Schicht 43 weist – wie in 4 mittels eines Querschnitts durch die SPD Schicht 43 dargestellt – einen zwischen zwei Elektroden 51 und 53 angeordneten SPD Film 52 auf. Die PALC Schicht 45 weist – wie in 5 mittels eines Querschnitts durch die PALC Schicht 45 dargestellt – einen zwischen zwei Elektroden 55 und 57 angeordneten PALC Film 56 auf.The SPD layer 43 points - as in 4 by means of a cross section through the SPD layer 43 shown - one between two electrodes 51 and 53 arranged SPD movie 52 on. The PALC layer 45 points - as in 5 by means of a cross section through the PALC layer 45 shown - one between two electrodes 55 and 57 arranged PALC movie 56 on.

Das Kraftfahrzeug 1 umfasst – wie in 6 in einer Prinzipdarstellung gezeigt – einen Blendsensor 61 zur Messung der Stellung eines Augenlides 71 eines Insassen des Kraftfahrzeuges 1 und/oder der Größe einer Pupille 72 eines Auges 73 eines Insassen 70 und/oder Position zumindest eines Auges 73 des Insassen 70 des Kraftfahrzeuges 1. Das Kraftfahrzeug 1 umfasst zudem eine Steuerung 60 zur automatischen Einstellung der Transparenz der Segmente 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 bzw. 40 im oberen Teil 3 der Windschutzscheibe 2 in Abhängigkeit der Stellung des Augenlides 71 des Insassen 70 des Kraftfahrzeuges 1 und/oder der Größe der Pupille 72 des Auges 73 bzw. in Abhängigkeit des entsprechenden Ausgangssignals des Blendsensors 61. Zur automatischen Einstellung der Transparenz der Segmente 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 bzw. 40 im oberen Teil 3 der Windschutzscheibe 2 werden die entsprechenden SPD Schichten 43 bzw. PALC Schichten 45 in den Segmenten 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 bzw. 40 entsprechend angesteuert. Dabei wird die Transparenz der Segmente 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 bzw. 40 mit Verkleinerung der Pupille 72 bzw. mit quasikonstantem Senken des Augenlides 71 verringert. Der Blendsensor 61 kann z.B. eine Kamera (oder mehrere Kameras) und eine nachgeschaltete Mustererkennung umfassen. Die Mustererkennung kann auch Teil der Steuerung 60 sein. Ist die Mustererkennung Teil der Steuerung 60, so ist die in der Steuerung 60 implementierte Mustererkennung zusammen mit einer entsprechenden Kamera ein Ausführungsbeispiel für einen Blendsensor im Sinne der Ansprüche.The car 1 includes - as in 6 shown in a schematic diagram - a blend sensor 61 for measuring the position of an eyelid 71 an occupant of the motor vehicle 1 and / or the Size of a pupil 72 one eye 73 an inmate 70 and / or position of at least one eye 73 of the occupant 70 of the motor vehicle 1 , The car 1 also includes a controller 60 for automatically adjusting the transparency of the segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 respectively. 40 in the upper part 3 the windshield 2 depending on the position of the eyelid 71 of the occupant 70 of the motor vehicle 1 and / or the size of the pupil 72 of the eye 73 or as a function of the corresponding output signal of the blend sensor 61 , For automatic adjustment of the transparency of the segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 respectively. 40 in the upper part 3 the windshield 2 become the corresponding SPD layers 43 or PALC layers 45 in the segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 respectively. 40 controlled accordingly. This will be the transparency of the segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 respectively. 40 with reduction of the pupil 72 or with quasi-constant lowering of the eyelid 71 reduced. The blend sensor 61 may include, for example, a camera (or multiple cameras) and a downstream pattern recognition. Pattern recognition can also be part of the control 60 be. Is pattern recognition part of the controller? 60 so that's in the controller 60 implemented pattern recognition together with a corresponding camera an embodiment of a blend sensor in the sense of the claims.

Die Ansteuerung der Segmente kann in Abhängigkeit der Augenposition bezüglich der Höhe erfolgen, so dass die Größe des Insassen berücksichtigt wird.The Activation of the segments can be dependent on the eye position in terms of the height done so that the size of the occupant considered becomes.

Des Weiteren kann vorgesehen sein, mehrere Blendsensoren zu verwenden. Somit kann ein Blendsensor für den Fahrer und ein Blendsensor für den Beifahrer vorgesehen sein, um die individuelle Ansteuerung der Segmente angepasst an die jeweiligen Insassen zu erreichen.Of Furthermore, it can be provided to use a plurality of blend sensors. Thus, a blend sensor for the driver and a blend sensor for the Passenger be provided to the individual control of the segments adapted to reach the respective occupants.

Das Kraftfahrzeug 1 umfasst weiterhin alternativ oder zusätzlich zum Blendsensor 61 einen Umgebungsscanner 4 zur Erzeugung eines, insbesondere dreidimensionalen, Abbildes von einer Umgebung des Kraftfahrzeuges 1 oder zumindest von einem Teil der Umgebung des Kraftfahrzeuges 1, wobei die Transparenz der Segmente 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 bzw. 40 alternativ oder zusätzlich mittels der Steuerung 60 automatisch in Abhängigkeit eines Ausgangssignals des Umgebungsscanners 4 einstellbar ist. Dabei ist vorgesehen, dass die Transparenz auf einen Maximalwert erhöht wird, wenn mittels des Umgebungsscanners 4 ein Hindernis, ein Gegenstand oder – wie in 7 dargestellt – ein Fußgänger 91 erkannt wird, auf den ein Segmente 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 bzw. 40 bei geringerer Transparenz die Sicht versperren würde. Die verdeutlicht 7, wobei Bezugszeichen 90 die Sonne, Bezugszeichen 201 einen Bereich der Windschutzscheibe 2 mit geringer Transparenz und Bezugszeichen 202 einen Bereich der Windschutzscheibe 2 mit maximaler Transparenz bezeichnet. Der Umgebungsscanner 4 kann eine Kamera, eine Stereokamera, einen Laserscanner, LIDAR oder ein Radargerät, insbesondere ein Radargerät zur Ermittlung einer Differenzgeschwindigkeit, eines Abstandes und eines Winkels zwischen einem Objekt und dem Kraftfahrzeug 1, umfassen. Ein geeigneter Laserscanner kann z.B. von der Firma SICK AG, Sebastian-Kneipp-Str.1, 79183 Waldkirch, Bundesrepublik Deutschland bezogen werden.The car 1 further comprises alternatively or in addition to the blend sensor 61 an environment scanner 4 for generating a, in particular three-dimensional, image of an environment of the motor vehicle 1 or at least part of the environment of the motor vehicle 1 , where the transparency of the segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 respectively. 40 alternatively or additionally by means of the controller 60 automatically depending on an output signal of the environmental scanner 4 is adjustable. It is provided that the transparency is increased to a maximum value when using the environmental scanner 4 an obstacle, an object or - as in 7 pictured - a pedestrian 91 is recognized, on which a segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 respectively. 40 with less transparency the view would be blocked. The clarifies 7 , wherein reference numerals 90 the sun, reference number 201 an area of the windshield 2 with low transparency and reference numerals 202 an area of the windshield 2 labeled with maximum transparency. The environment scanner 4 can a camera, a stereo camera, a laser scanner, LIDAR or a radar device, in particular a radar device for determining a differential speed, a distance and an angle between an object and the motor vehicle 1 , include. A suitable laser scanner can be obtained, for example, from SICK AG, Sebastian-Kneipp-Str. 1, 79183 Waldkirch, Federal Republic of Germany.

Das Kraftfahrzeug 1 umfasst optional einen Lichtsensor 62 zur Messung der außerhalb des Kraftfahrzeuges 1 präsenten Lichtmenge, wobei die Transparenz der Segmente 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 bzw. 40 mittels der Steuerung 60 automatisch in Abhängigkeit eines Ausgangssignals des Lichtsensors 62 einstellbar sein kann. In einer Ausgestaltung weisen die Segmente 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 bzw. 40 oder zumindest eines der Segmente 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 bzw. 40 eine in Abhängigkeit von auf das Segment 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 bzw. 40 auftreffendem Licht selbsttönende Schicht auf. Es kann vorgesehen sein, dass der Lichtsensor 62 ein Tönungssensor zur Messung der Selbsttönung eines entsprechenden Segmentes 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 bzw. 40 ist. Dabei ist die selbsttönende Schicht insbesondere außerhalb der SPD Schicht bzw. der PALC Schicht angeordnet.The car 1 optionally includes a light sensor 62 for measuring the outside of the motor vehicle 1 present amount of light, with the transparency of the segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 respectively. 40 by means of the controller 60 automatically in response to an output signal from the light sensor 62 can be adjustable. In one embodiment, the segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 respectively. 40 or at least one of the segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 respectively. 40 one depending on the segment 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 respectively. 40 incident light self-tinting layer on. It can be provided that the light sensor 62 a tint sensor for measuring the tint of a corresponding segment 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 respectively. 40 is. In this case, the self-tinting layer is arranged in particular outside the SPD layer or the PALC layer.

In einer weiteren Ausgestaltung ist die Transparenz der Segmente 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 bzw. 40 zudem manuell, z.B. mittels eines Drehknopfes 63, einstellbar. Dabei kann die Transparenz der Segmente 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 bzw. 40 durch eine Drehung des Drehknopfes 63 gegen den Uhrzeigersinn verringert und durch eine Drehung des Drehknopfes 63 mit dem Uhrzeigersinn vergrößert werden. In einer weiteren Ausgestaltung ist die Transparenz der Segmente 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 bzw. 40 zudem durch Drücken des Drehknopfes 63 auf ihren Maximalert einstellbar.In a further embodiment, the transparency of the segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 respectively. 40 also manually, eg by means of a rotary knob 63 , adjustable. This can be the transparency of the segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 respectively. 40 by turning the knob 63 reduced counterclockwise and by turning the knob 63 be enlarged in the clockwise direction. In a further embodiment, the transparency of the segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 respectively. 40 also by pressing the knob 63 adjustable to its maximum.

Es kann vorgesehen sein, dass Polfilter in der Fensterscheibe aktiviert werden, die eine blendende Lichtquelle z.B. mit polarisiertem Licht filtern. Diese Filter sind – z.B. in Abhängigkeit von der Fahrtrichtung – variabel, falls das polarisierte Licht der Lichtquelle auch in Abhängigkeit von der Fahrtrichtung unterschiedlich polarisiert ist (Navigationssystem gibt die Fahrtrichtung (Himmelsrichtung) an).It can be provided that activates polarizing filter in the window pane become a dazzling light source, e.g. with polarized light filter. These filters are - e.g. dependent on from the direction of travel - variable, if the polarized light of the light source is also dependent is polarized differently from the direction of travel (navigation system indicates the direction of travel (direction)).

Es kann vorgesehen sein, dass die Transparenz der Windschutzscheibe 2 bzw. der Segmente 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 bzw. 40 in Abhängigkeit weiterer Einflussgrößen, z.B. von Einflussgrößen, wie sie in der DE 102 53 507 A1 , der DE 100 57 795 A1 , der DE 198 14 094 A1 und/oder der DE 198 24 084 A1 offenbart sind, einstellbar ist.It can be provided that the transparency of the windshield 2 or the segments 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 respectively. 40 as a function of further influencing variables, eg influencing variables, as described in the DE 102 53 507 A1 , of the DE 100 57 795 A1 , of the DE 198 14 094 A1 and / or the DE 198 24 084 A1 are disclosed, is adjustable.

Die Elemente und Schichten in den Figuren sind unter Berücksichtigung von Einfachheit und Klarheit und nicht notwendigerweise maßstabsgetreu gezeichnet. So sind z.B. die Größenordnungen einiger Elemente bzw. Schichten übertrieben gegenüber anderen Elementen bzw. Schichten dargestellt, um das Verständnis der Ausführungsbeispiele der vorliegenden Erfindung zu verbessern.The Elements and layers in the figures are taken into account of simplicity and clarity and not necessarily drawn to scale. Thus, e.g. the orders of magnitude of some elements or layers exaggerated over other Elements or layers shown in order to understand the embodiments to improve the present invention.

11
Kraftfahrzeugmotor vehicle
22
WindschutzscheibeWindshield
33
oberer Teil einer Windschutzscheibeupper Part of a windshield
44
Umgebungsscannerenvironment scanner
10, 11, 12, 13,10 11, 12, 13,
14, 15, 16, 17,14 15, 16, 17,
18, 19, 20, 21,18 19, 20, 21,
22, 23, 24, 25,22 23, 24, 25,
26, 27, 28, 29,26 27, 28, 29,
30, 31, 32, 33,30 31, 32, 33,
4040
Segmentsegment
4343
SPD SchichtSPD layer
41, 4741 47
Glasschichtglass layer
42, 4642 46
PVB SchichtPVB layer
4444
Schicht aus PVB oder PUlayer made of PVB or PU
4545
PALC SchichtPALC layer
51, 53, 55, 5751 53, 55, 57
Elektrodeelectrode
5252
SPD FilmSPD Movie
5656
PALC FilmPALC Movie
6060
Steuerungcontrol
6161
Blendsensorblend sensor
6262
Lichtsensorlight sensor
6363
Drehknopfknob
7070
Insasse eines Kraftfahrzeugesinmate a motor vehicle
7171
Augenlideyelid
7272
Pupillepupil
7373
Augeeye
9090
SonneSun
9191
Fußgängerpedestrian
201201
einen Bereich einer Windschutzscheibe mit geringer Transparenzone Area of a windshield with low transparency
202202
einen Bereich einer Windschutzscheibe mit maximaler Transparenzone Area of a windshield with maximum transparency

Claims (8)

Kraftfahrzeug (1) mit einer Fensterscheibe (2), insbesondere einer Windschutzscheibe (2), zum Abdecken eines Innenraums des Kraftfahrzeuges (1), wobei eine Transparenz zumindest eines Segmentes (40) der Fensterscheibe (2) einstellbar ist, dadurch gekennzeichnet, dass das Kraftfahrzeug (1) einen Blendsensor (61) zur Messung einer Augenlidstellung und/oder einer Pupillengröße und/oder einer Position zumindest eines Auges eines Insassen (70) des Kraftfahrzeuges (1) und eine Steuerung (60) zur automatischen Einstellung der Transparenz des Segmentes (40) der Fensterscheibe (2) in Abhängigkeit eines Ausgangssignals des Blendsensors (61) aufweist.Motor vehicle ( 1 ) with a window pane ( 2 ), in particular a windscreen ( 2 ), for covering an interior of the motor vehicle ( 1 ), wherein a transparency of at least one segment ( 40 ) of the window pane ( 2 ) is adjustable, characterized in that the motor vehicle ( 1 ) a blend sensor ( 61 ) for measuring an eyelid position and / or a pupil size and / or a position of at least one eye of an occupant ( 70 ) of the motor vehicle ( 1 ) and a controller ( 60 ) for automatically setting the transparency of the segment ( 40 ) of the window pane ( 2 ) in dependence of an output signal of the blend sensor ( 61 ) having. Kraftfahrzeug (1) nach Anspruch 1, dadurch gekennzeichnet, dass das Segment (40) eine PALC (45) Schicht aufweist.Motor vehicle ( 1 ) according to claim 1, characterized in that the segment ( 40 ) a PALC ( 45 ) Layer. Kraftfahrzeug (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Segment (40) eine SPD Schicht (43) aufweist.Motor vehicle ( 1 ) according to claim 1 or 2, characterized in that the segment ( 40 ) an SPD layer ( 43 ) having. Kraftfahrzeug (1) nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, dass das Segment (40) eine in Abhängigkeit von auf das Segment (40) auftreffendem Licht selbsttönende Schicht aufweist.Motor vehicle ( 1 ) according to claim 1, 2 or 3, characterized in that the segment ( 40 ) one depending on the segment ( 40 ) incident light has a self-tinting layer. Kraftfahrzeug (1) nach Anspruch 1, 2, 3 oder 4, dadurch gekennzeichnet, dass die Fensterscheibe (2) zumindest zwei Segmente (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 40) aufweist, deren Transparenz mittels der Steuerung (60) unabhängig voneinander einstellbar ist.Motor vehicle ( 1 ) according to claim 1, 2, 3 or 4, characterized in that the window pane ( 2 ) at least two segments ( 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . 32 . 33 . 40 ) whose transparency is controlled by the controller ( 60 ) is independently adjustable. Kraftfahrzeug (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Kraftfahrzeug (1) einen Umgebungsscanner (4) zur Erzeugung eines, insbesondere dreidimensionalen, Abbildes von einer Umgebung des Kraftfahrzeuges (1) oder zumindest von einem Teil der Umgebung des Kraftfahrzeuges (1) aufweist, und dass die Transparenz des Segmentes (40) der Fensterscheibe (2) mittels der Steuerung (60) automatisch in Abhängigkeit eines Ausgangssignals des Umgebungsscanners (4) einstellbar ist.Motor vehicle ( 1 ) according to one of the preceding claims, characterized in that the motor vehicle ( 1 ) an environment scanner ( 4 ) for generating a, in particular three-dimensional, image of an environment of the motor vehicle ( 1 ) or at least part of the environment of the motor vehicle ( 1 ), and that the transparency of the segment ( 40 ) of the window pane ( 2 ) by means of the controller ( 60 ) automatically as a function of an output signal of the environmental scanner ( 4 ) is adjustable. Kraftfahrzeug (1) mit einer Fensterscheibe (2), insbesondere einer Windschutzscheibe (2), zum Abdecken eines Innenraums des Kraftfahrzeuges (1), wobei eine Transparenz zumindest eines Segmentes (40) der Fensterscheibe (2) einstellbar ist, dadurch gekennzeichnet, dass das Kraftfahrzeug (1) einen Umgebungsscanner (4) zur Erzeugung eines, insbesondere dreidimensionalen, Abbildes von einer Umgebung des Kraftfahrzeuges (1) oder zumindest von einem Teil der Umgebung des Kraftfahrzeuges (1) und eine Steuerung (60) zur automatischen Einstellung der Transparenz des Segmentes (40) der Fensterscheibe (2) in Abhängigkeit eines Ausgangssignals des Umgebungsscanners (4) aufweist.Motor vehicle ( 1 ) with a window pane ( 2 ), in particular a windscreen ( 2 ), for covering an interior of the motor vehicle ( 1 ), wherein a transparency of at least one segment ( 40 ) of the window pane ( 2 ) is adjustable, characterized in that the motor vehicle ( 1 ) an environment scanner ( 4 ) for generating a, in particular three-dimensional, image of an environment of the motor vehicle ( 1 ) or at least part of the environment of the motor vehicle ( 1 ) and a controller ( 60 ) for automatically setting the transparency of the segment ( 40 ) of the window pane ( 2 ) as a function of an output signal from the environmental scanner ( 4 ) having. Verfahren zum Betrieb eines Kraftfahrzeuges (1) mit einer Fensterscheibe (2), insbesondere einer Windschutzscheibe (2), zum Abdecken eines Innenraums des Kraftfahrzeuges (1), dadurch gekennzeichnet, dass eine Transparenz zumindest eines Segmentes (40) der Fensterscheibe (2) in Abhängigkeit einer Augenlidstellung und/oder einer Pupillengröße und/oder einer Position zumindest eines Auges eines Insassen (70) des Kraftfahrzeuges (1) oder in Abhängigkeit eines Ausgangssignals eines Umgebungsscanners (4) zur Erzeugung eines, insbesondere dreidimensionalen, Abbildes von einer Umgebung des Kraftfahrzeuges (1) oder zumindest von einem Teil der Umgebung des Kraftfahrzeuges (1) automatisch eingestellt wird.Method for operating a motor vehicle ( 1 ) with a window pane ( 2 ), in particular a windscreen ( 2 ), for covering an interior of the motor vehicle ( 1 ), characterized in that a transparency of at least one segment ( 40 ) of the window pane ( 2 ) as a function of an eyelid position and / or a pupil size and / or a position of at least one eye of an occupant ( 70 ) of the motor vehicle ( 1 ) or in dependence on an output signal of an environment scanner ( 4 ) for generating a, in particular three-dimensional, image of an environment of the motor vehicle ( 1 ) or at least part of the environment of the motor vehicle ( 1 ) is set automatically.
DE102005007427A 2005-02-18 2005-02-18 Motor vehicle e.g. land vehicle, has controller providing automatic adjustment of transparency of segment such as sun visor of window pane in dependence of output signal of glare sensor Ceased DE102005007427A1 (en)

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