EP3804140A2 - Objet de couleur noire ayant une fonction de champ électromagnétique ou électrique - Google Patents

Objet de couleur noire ayant une fonction de champ électromagnétique ou électrique

Info

Publication number
EP3804140A2
EP3804140A2 EP19732549.1A EP19732549A EP3804140A2 EP 3804140 A2 EP3804140 A2 EP 3804140A2 EP 19732549 A EP19732549 A EP 19732549A EP 3804140 A2 EP3804140 A2 EP 3804140A2
Authority
EP
European Patent Office
Prior art keywords
pigments
conductive
black
operating device
colored
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.)
Pending
Application number
EP19732549.1A
Other languages
German (de)
English (en)
Inventor
Klaus Seifert
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 Technologies GmbH
Original Assignee
Continental Automotive GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102018209085.8A external-priority patent/DE102018209085A1/de
Application filed by Continental Automotive GmbH filed Critical Continental Automotive GmbH
Publication of EP3804140A2 publication Critical patent/EP3804140A2/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03547—Touch pads, in which fingers can move on a surface
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3607—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04107—Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2380/00—Specific applications
    • G09G2380/10—Automotive applications
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K2017/9602—Touch switches characterised by the type or shape of the sensing electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/94084—Transmission of parameters among sensors or between sensor and remote station
    • H03K2217/94089—Wireless transmission
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960755—Constructional details of capacitive touch and proximity switches
    • H03K2217/960765—Details of shielding arrangements

Definitions

  • the invention relates to a black colored article having an electromagnetic or electric field function, wherein the electromagnetic or electric field function comprises a data transfer function, wherein the black colored article either colored by means of pigments, covered with a pigmented by pigments component or coated with a lacquer is, wherein the paint has pigments.
  • the data transfer function can be realized by a change of the electromagnetic and / or electric field.
  • Such objects are known from the prior art, for example as motor vehicle antennas, as automotive sensors or as operating systems with capacitive input surfaces.
  • pigments for black dyes or black paints usually carbon black particles are used. However, the soot particles can limit or even prevent the electromagnetic or electric field function of the components in question.
  • the object of the present invention is therefore to specify pigments for black colorings or black coatings which prevent or at least reduce impairment of the electromagnetic or electric field function.
  • This object is achieved in that the pigments also have electrically non-conductive pigments.
  • it is possible to dispense with the use of soot particles partially or even completely and thus improve the electromagnetic or electric field functions and the data transfer function.
  • Particularly suitable pigments have been spinel pigments. They achieve good magnetic and electrical field properties with good optical appearance.
  • Copper-chromium iron-spinel pigments or chromium-iron-nickel-manganese spinel pigments prove to be particularly well-suited for black lacquers or stains.
  • a black-colored object with an electric field function can be designed as an operating device with a capacitive input surface, wherein the capacitive Einga be Structure either pigmented by means of pigments covered with a pigmented by pigments component and / or coated with a lacquer, wherein the lacquer has pigments ,
  • the operating device has a component with conductive pigments and a component with non-conductive pigments, which are directly adjacent or spaced apart, money can be saved, since conductive pigments in the form of soot particles are cheaper than non-conductive particles in the form of for example Spinel pigments.
  • the components can each be configured as a separate first and second component. It is also possible to design a second component as a lacquer containing a second pigment, with which the first component is painted. In the two embodiments mentioned above, for example, the first pigment is conductive and the second pigment is not conductive. Through the two components, the overall blackening of the kapa zitiven input surface is increased.
  • the operating device can be configured as part of a transmitting and / or receiving device of electromagnetic radiation.
  • the capacitive input surface may be colored, for example, with conductive pigments or coated with a lacquer with conductive pigments and then arranged in the first case on the capacitive input surface and in the second case on the lacquer, the electrodes of the capacitive input surface, which then with a paint or a component, each with non-conductive pigments are covered in the direction of an operator of the operating device. Then, the operating device is electro-magnetically shielded by the conductive pigments, so that external electromagnetic fields do not affect the HMI device or less and at the same time the HMI affects the environment less electro-magnetic.
  • the electrodes can simultaneously detect the inputs of the operator of the operating device undisturbed, because between them and the operator no conductive pigments interfere with the electric field.
  • an electro-optical display may be arranged adjacently or at a distance on the side of the input surface facing away from the operator of the operating device, and the capacitive input surface may be part of a touchscreen.
  • the capacitive input surface may be part of a touchpad or a capacitive button.
  • a black-colored object with an electromagnetic field function can be designed, for example, as a transmitting and / or Emp catching unit electromagnetic radiation in the form of example in an antenna. This transmitting and / or receiving unit electromagnetic radiation is then covered with a component with a non-conductive pigment, wherein the component may be configured as a lacquer layer of the antenna or separate component, in which the antenna is inserted.
  • a black-colored object with an electromagnetic field function can for example also be configured as a radar transmitter and / or receiver unit.
  • This Radarsende- and / or receiving unit is then covered with a component with a non-conductive pigment, wherein the component may be configured as a paint layer of Radarsende- and / or receiving unit or as a separate component, in which the Radarsende- and / or receiving unit introduced or with which the Radarsende- and / or receiving unit is covered.
  • a black-colored object with an electromagnetic field function may, for example, also have a coating with lacquers or have a cover with components that are not homogeneously formed but have first partial surfaces which allow the electromagnetic radiation to pass unhindered or almost unhindered and have second partial surfaces, which the strongly attenuate or even shield electromagnetic radiation, wherein advantageously the first partial surfaces surround the second partial surfaces or are surrounded by the second partial surfaces.
  • Such a black-colored object can for example also be configured as a radar transmitter and / or receiver unit. By designing the first and second partial surfaces, the radar transmitter and / or receiver unit can be changed in their transmission and reception characteristics.
  • conductive pigments can be used in addition to the non-conductive pigments, wherein the various pigments can be mixed or used in adjacent components. The comments on the objects with electric field functions can be applied accordingly.
  • Figure 1 shows an embodiment of a black colored
  • Figure 2 shows an embodiment of a black colored
  • Figure 3 shows a first embodiment of a black
  • Figure 4 shows a second embodiment of a black
  • Figure 5 is a plan view of the embodiment of FIG.
  • Figure 6 is a plan view of the embodiment of FIG.
  • Figure 7 is a further plan view of the embodiment of Figure 4 in a greatly modified version.
  • FIG. 1 shows an operating device 100 and a finger F of an operator.
  • the operating device 100 has a capacitive input surface, wherein the capacitive input surface a first component 101, electrodes 102 and a second component 103 has.
  • the operating device 100 has an electro-optical display 104 in the form of, for example, an LCD, a housing 105, an electronic control device 106 and a lighting device in the form of light-emitting diodes 107.
  • the first component 101, the electrodes 102 and the second component 103 are at least partially transparent, so that the electro-optical display 104 and information shown thereon by the capacitive input surface for the operator are perceptible.
  • the component 101 has non-conductive pigments, the component 103 has pigments which are all conductive.
  • the electronic control device 106 is shielded from external magnetic fields and can not emit electromagnetic interference even by the capacitive input surface 101, 102, 103.
  • the changes in the electric field caused by the finger F can be detected by the component 101 from the electrodes 102 and processed by the electronic control device 106 without the pigments of the component 101 impairing the detection.
  • the components 103 and 101 may be configured as resist layers, wherein the resist layer 103 is then applied to the electro-optical display 104. If no electro-optical display 104 or another carrier material is present, at least one of the components 101 or 103 is designed as a plate, preferably made of glass colored by means of pigments or of plastic colored by means of pigments.
  • the electrodes 102 may be applied to the component 101 and / or 103 and preferably consist of indium tin oxide (ITO).
  • the electrodes may also be made as printed or evaporated metal grid structures, printed conductive paints based on at least one of silver nanowires, P-dot PSS, carbon nanotubes, or graphene. Also flat thin films of metal or conductive metal oxides are conceivable as electrodes or antenna material.
  • the LEDs 107 are used for fluoroscopy and thus better readability of the LCD.
  • the electro-optical display can also be used, for example, as OLED, MicroLED or Picture tube be designed. Then no additional lighting is required.
  • FIG. 2 shows an antenna 200 which has the actual transmitting and / or receiving unit of electromagnetic radiation in the form of an antenna 202, a lacquer layer 201 and a carrier plate 203.
  • the lacquer layer 201 and the carrier plate 203 are each colored by means of pigments.
  • the pigments of the lacquer layer 201 are not conductive in order not to impair the electromagnetic properties of the antenna 201.
  • the pigments of the support plate 203 are conductive preferably before for cost reasons, but may also contain the pigments of the lacquer layer 201 because of the optical appearance of the antenna, including carrier.
  • FIG. 3 shows a radar sensor 300 which has the actual radar transmitting and / or receiving unit in the form of a radar sensor 302, which is coated with a lacquer layer 301.
  • the pigments of the lacquer layer 301 are preferably all non-conductive so as not to impair the properties of the radar sensor 302.
  • FIG. 4 shows a second exemplary embodiment of a radar sensor 400 which has the actual radar transmitting and / or receiving unit in the form of a radar sensor 402, which is covered with a cover 401.
  • the cover has a plate 403 which is provided with a pressure 404.
  • This print 404 may be configured, for example, as screen printing, flexographic printing, gravure printing or digital printing. It is also possible to stain the plate 403 instead of the pressure 404.
  • the pigments of the print 404 are non-conductive in a first region and thus form the first part surface 4041. They are shown in white in FIGS. 4-7.
  • the pigments in a second region are conductive and thus form a second partial surface 4042. They are shown in black in FIGS. 4-7.
  • the pigments of the first partial surface 4041 and the second partial surface 4042 are black, so that when viewed on the plate 401 a homogeneous black surface is visible to a viewer of the plate 401.
  • the first goes
  • Part surface 4041 gradually into the second partial surface 4042 via. It is also possible a sharply defined transition from the first partial surface to the second partial surface. Electromagnetic waves can penetrate the first part surface 4041 almost unhindered, while the second part 4042 can only greatly attenuated or notteuringen. This produces a directional reception and / or reception characteristic, as represented by electromagnetic waves 405, 406.
  • first partial surface 4041 is surrounded by the second partial surface 4042, wherein the transition between the partial surfaces 4041, 4041 is designed to be gradual.
  • first partial surface 4041 is likewise surrounded by the second partial surface 4042, wherein the transition between the partial surfaces 4041, 4042 takes place directly without a transition region.
  • Part surfaces 4041, 4041 is designed gradually. As a result, a directional or position dependent foreclosure can be realized for a particular area.
  • Embodiments for day / night design in film components and in screen printing are shown below, as used for example in the instrument cluster or other elements of the cockpit of a motor vehicle. These are followed by a Use of opaque and black prints also spinel-based. In particular, the use of spinel pigments for
  • a first of these exemplary embodiments for a backlit tag / post-design which is invisible without illumination is shown in the following sectional view by a pressure build-up made possible according to the invention for backlit tag / post-design:
  • day / night design of this first embodiment is as follows:
  • a second of these embodiments for a backlit day / night design which is visible without illumination shows the following sectional image by a possible pressure build-up for a backlit day / night design:
  • the translucent black print can be done with spinel or other pigments or dyes.
  • the coloring printing may include several equal or different prints
  • Plastic and touch sensors can be transparent / translucent or opaque
  • the unlighted tag design looks in the supervision example as follows:

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Computer Hardware Design (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

Dans le cas d'un objet de couleur noire (100, 200, 300) ayant une fonction de champ électromagnétique ou électrique, l'objet de couleur noire (100, 200, 300) étant coloré à l'aide de pigments, recouvert d'un composant (101, 103) coloré avec des pigments ou revêtu d'une peinture (101, 103, 201, 301), la peinture (101, 103, 201, 301) comportant des pigments, il est prévu que les pigments soient électriquement non conducteurs.
EP19732549.1A 2018-06-07 2019-06-07 Objet de couleur noire ayant une fonction de champ électromagnétique ou électrique Pending EP3804140A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102018209085.8A DE102018209085A1 (de) 2018-06-07 2018-06-07 Schwarz gefärbter Gegenstand mit einer elektromagnetischen- oder elektrischen Feld Funktion
DE102018216897 2018-10-02
PCT/EP2019/064988 WO2019234233A2 (fr) 2018-06-07 2019-06-07 Objet de couleur noire ayant une fonction de champ électromagnétique ou électrique

Publications (1)

Publication Number Publication Date
EP3804140A2 true EP3804140A2 (fr) 2021-04-14

Family

ID=67001740

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19732549.1A Pending EP3804140A2 (fr) 2018-06-07 2019-06-07 Objet de couleur noire ayant une fonction de champ électromagnétique ou électrique

Country Status (5)

Country Link
US (1) US20210089167A1 (fr)
EP (1) EP3804140A2 (fr)
CN (1) CN112385147A (fr)
DE (1) DE202019002474U1 (fr)
WO (1) WO2019234233A2 (fr)

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Also Published As

Publication number Publication date
CN112385147A (zh) 2021-02-19
WO2019234233A3 (fr) 2020-03-12
DE202019002474U1 (de) 2019-07-24
US20210089167A1 (en) 2021-03-25
WO2019234233A2 (fr) 2019-12-12

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