WO2010102777A1 - Anzeigevorrichtung für ein fahrzeug und verfahren zur herstellung der anzeigevorrichtung - Google Patents
Anzeigevorrichtung für ein fahrzeug und verfahren zur herstellung der anzeigevorrichtung Download PDFInfo
- Publication number
- WO2010102777A1 WO2010102777A1 PCT/EP2010/001447 EP2010001447W WO2010102777A1 WO 2010102777 A1 WO2010102777 A1 WO 2010102777A1 EP 2010001447 W EP2010001447 W EP 2010001447W WO 2010102777 A1 WO2010102777 A1 WO 2010102777A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light guide
- light
- display device
- guide body
- display screen
- Prior art date
Links
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- 238000005192 partition Methods 0.000 claims abstract description 39
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- 239000004033 plastic Substances 0.000 claims description 6
- 238000005286 illumination Methods 0.000 claims description 5
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/10—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards
- B60Q3/14—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards lighting through the surface to be illuminated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
- B60Q3/62—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
- B60Q3/64—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides for a single lighting device
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0075—Arrangements of multiple light guides
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0078—Side-by-side arrangements, e.g. for large area displays
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/18—Edge-illuminated signs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
Definitions
- Display device for a vehicle and method of manufacturing the display device
- the invention relates to a display device for a vehicle and a method for producing the display device.
- the display device has a display screen and a backlight. On the display screen illuminated characters are arranged, displayed or activated.
- the backlight of the display screen has bulbs that emit light into a light guide body.
- the light guide body is arranged on a rear side of the display screen. In this case, the light guide body on a light guide plate made of an optically transparent plastic compound.
- a monochrome display device which has a display screen and provided for a backlighting of the display screen backlight.
- the backlight has a light source of a first color and a light source of a second color.
- a first light guide is coupled to the first light source
- a second light guide is coupled to the second light source.
- the two light guides are arranged so close together, behind the display screen of the display device that it backlit the entire display areal and one of the first light guide associated region of the display with the first color and the second light guide associated region of the display with the second color.
- Such a display device has the disadvantage that for a plurality of differently colored areas illuminated a plurality of individual optical fibers is required to be connected to the corresponding color or color filter having light sources.
- This juxtaposition of a plurality of optical fibers is cost-intensive and leads to a complex structure of the densely juxtaposed optical fibers, which can then be illuminated with a different color.
- the separation of the individual lighting areas or the individual light guide requires a minimum width to prevent over-illumination of the other color.
- These separations must be as close as possible to the underside of the display screen in order to seal off the individual areas in a light-tight manner. It is disadvantageous that the separations may be visible on the display screen.
- FIG. 9A is a schematic diagram of a display screen 8 having structured transparent openings 41 to 47, wherein the structured transparent openings 41 to 45 are the positions of a gear shift selector lever in automatic mode as backlit characters 11 to 15.
- these characters arranged in the transparent openings 41 to 45 light up in green, while the characters 16 and 17 which are used for manually switching the gears to the next higher level with the backlit character 16 or to the next lower level with the backlit character 17, red light up.
- the shift lever is not operated in the automatic range, but in the manual shift range, so The characters 16 and 17 in the display screen 8 are lit green, while the automatic characters 11 to 15 are red.
- FIG. 9B schematically shows a partial region of a light guide plate 21 of a backlight 9, wherein the positions of the characters 14 to 17 are indicated by dashed lines.
- FIG. 9C shows a schematic section through the display device 6 according to the prior art.
- the light guide plate 21 is laterally bounded by metallically coated side regions 51 and 52 and is covered by the display screen 8, which has structured openings 45 and 46 filled with a transparent plastic mass 22, through which light can escape.
- the light guide plate 21 is made of a transparent plastic compound 22, which can be illuminated from the back 32 of different colors by corresponding lamps 18.
- the object of the invention is to provide a display device and a method for producing the same, which allows a significant cost savings while improving the display image. Moreover, it is an object of the invention to prevent coupling of the light into adjacent light guide regions and to avoid color mixing between adjacent light guides.
- a display device for a vehicle and a method for producing the display device are created.
- the display device has a display screen and a backlight. On the display screen illuminated characters are arranged, displayed or activated.
- the backlight of the display screen has light sources that emit light into a light guide body.
- the light guide body is arranged on a rear side of the display screen.
- the light guide body on a light guide plate made of optically transparent plastic mass are introduced in the optically non-transparent partitions for optically shielded optical fiber zones of the light guide body by laser irradiation of the plastic mass.
- This display device has the advantage that it is not necessary to position a multiplicity of light guide bodies or light guide plates next to one another and to prepare corresponding partitions therebetween, but instead the display device according to the invention has a multiplicity of light guide zones arranged side by side in a single light guide. plate, which are optically shielded from each other only by thermally introduced into the light guide body or the light guide plate separating surfaces, the light guide zones may have different, even curved contours, as by the introduction of the partitions in the transparent plastic mass by means of energetic conversion of the plastic mass a high degree of design freedom at the same time low cost for the design of the light guide plate is possible.
- the partitions extend through the light guide body from one at the back of the
- the edges of the light guide body are largely free from partitions and the bulbs emit a bright light on the partition wall-free edge side areas as backlighting in the edges for homogeneous illumination of the light guide body or the light guide zones. If an optical fiber zone is not located at one of the edges of the light guide plate, these zones can be illuminated individually with different colors separately from the rear side of the light guide plate.
- light sources with different colors are arranged at the edges of the light guide plate, wherein each of an illuminable from an edge light guide zone is illuminated by the light sources.
- the rear side of the light guide plate may have a reflection layer or a reflection foil, wherein this reflection layer and / or the Reflective film and a light box in which the light guide plate is arranged, can be assigned.
- the rear side of the light guide plate can have reflection-layer-free regions to light guide zones, wherein differently colored light can be coupled into the light guide zones from the rear side via the reflection-free regions.
- a display screen is arranged, which preferably has a structured opaque film, wherein the film has structured transparent openings for the illuminated characters.
- a structured, opaque coating such as a chromium coating
- a correspondingly structured coating to a transparent film as a display screen.
- LCD liquid crystal display
- the transparent plastic mass may have light-absorbing spots or light-reflecting spots which touch each other in the vertical direction through the light guide body and / or overlap each other and thus form a corresponding optically shielding partition wall.
- the partitions are composed of burn-in spots which touch and / or overlap one another in the vertical direction.
- burn-in spots can be introduced by high focused energy input into a corresponding transparent plastic mass, without the light guide plate or the Lichtleiterkorper must be separated into individual light guide plates as in the prior art.
- the burn-in spots preferably form agglomerates of carbon precipitates of the transparent plastic mass, which preferably comprises polycarbonate, it being possible to isolate the carbon of the polycarbonate chains by a focused introduction of energy and compact it into carbon agglomerates.
- a method for producing a display device of a vehicle has the following method steps. First, a plate of optical fiber material for a plurality of optical fiber bodies for display devices is manufactured. In this plate optically shielding partitions are introduced to form light guide zones in the transparent light guide material. Thereafter, the plate of optical fiber material into individual Lichtleiterkorper, to the Size and shape of a display screen are adjusted, separated. Finally, the installation of the display device from display screen and backlight with optically shielded optical fiber zones of a Lichtleiter- body through the introduced optically shielding partitions in a light box with bulbs for different color illumination of the light guide zones of the light guide body.
- the display screen can be prepared as a self-supporting and shaped and structured opaque plate, except for transparent openings for the illuminated characters, and applied to the light guide body during assembly of the display device or it can be vapor-deposited and patterned on a preformed light guide body of the display screen of an opaque material become.
- a permanent display screen instead of a permanent display screen, to provide an LCD screen which is particularly suitable for instrument display devices, since the characters to be imaged can be variably controlled.
- Partitions having an inner partition wall and an outer partition wall surrounding the inner partition wall formed as an optical fiber zone and, for example, light from the back in emits the curved light guide zone, which can settle in color from the .Harbton of the backlight.
- the introduction of the optically shielding partitions is carried out by means of a three-dimensional laser scanner such that light-absorbing patches or light-reflecting patches arise in a transparent plastic mass which touch one another in the vertical direction through the fiber optic body and / or overlap one another.
- Figure 1 shows a schematic perspective view of a vehicle with display devices according to the invention
- Figure 2 shows a schematic exploded perspective view of a display device according to a first embodiment of the invention
- Figure 3 shows a schematic plan view of a transparent light guide body with light irradiation from the side edges for dashboard lights according to a second embodiment of the invention
- FIG. 4 shows a schematic diagram of the production method of light guide zones in a light guide body of a display device according to a third embodiment of the invention
- Figure 5 is a schematic plan view of a light guide body with display screen according to the third embodiment of the invention
- Figure 6 is a schematic plan view of a light guide body with display screen according to a fourth embodiment of the invention.
- FIG. 7 shows schematic representations of a display device according to a fifth embodiment of the invention
- FIG. 8 shows schematic representations of the display device according to FIG. 7;
- Figure 9 shows schematic representations of a display device according to the prior art.
- FIG. 1 shows a schematic perspective view of a vehicle 7 with display devices 1 and 2 according to the invention, wherein the display device 1 has illuminated characters with different illuminating colors of a gear selector lever 53, and wherein the display device 2 instrumentation and / or symbols of the instrument panel 54 of the vehicle 7 has.
- FIG. 2 shows a schematic exploded perspective view of a display device 1 according to a first embodiment of the invention.
- This display device 1 is composed of four components, a display screen 8, a backlight 9, a reflection film 37 and a light box 49, which receives the reflection film 37 and the light guide body 19 with bulbs 18 and these components of the display device serves as a holder.
- the light box 49 can also be provided on its inner surfaces with a reflection coating.
- the display screen 8 may be formed as a self-supporting translucent component with a structured opaque coating 10, wherein the opaque coating 10 has transparent openings 41 to 47 and 60, through which the transparent material from the back 20 of the display screen 8 by means of the backlight 9 of the optical fiber body 19 is illuminated.
- a light-permeable film with transparent openings 41 to 47 and 60 can also be fixed on a top side 31 of the light-conducting body.
- the structured transparent openings 41 to 47 form indirectly illuminated characters 11 to 17.
- the Lichtleiterkorper 19 consists of a transparent plastic material 22 in the form of a light guide plate 21 having a top 31 and a rear side 32. Of the edges 33 to 36, the opposing edges 34 and 36 have illuminants 18, which in this embodiment of the invention, two colored light emitting diode rows 55 and 56, which are arranged at the edges 34 and 36 of the light guide plate 21 in the areas which are free of light-shielding partitions 23.
- the LED rows 55 and 56 have in this embodiment of the invention, two superimposed LED array with different colors such as green and red, which can be selectively activated on.
- the light-shielding partition walls 23 surround a further light guide zone 30, which can be illuminated by the bichromatic light-emitting diode line 56, for example, either green or red.
- the mutually shielded light guide zones 24 and 30 are illuminated relatively homogeneously by multiple and total reflection, wherein the top 31 of the light guide body 19 has a light outcoupling structure which orthogonal to the radiated by the light-emitting LED array on the edge sides 34 and 36 light Can radiate edge sides in the direction of the display screen.
- the display screen may also have an LCD matrix, depending on the cost of large-scale with dimensions in the millimeter range or small area with dimensions in the micrometer range controllable liquid crystal areas between a can be switched to a transmissive and an absorbing state, so that it is possible to provide any display of an instrument with the display device according to the invention.
- the gap between two nested curved partitions from the back 32 of a light guide plate 21 can be illuminated by means of an additional light source, so that curved and / or annular contours even with coarse pixel matrix of a low-cost LCD screen with uniform and exact Kontu - Ren in an additional color, for example, as warning triangles or in the form of a circular company logo can be displayed.
- Figure 3 shows a schematic plan view of a transparent light guide body 19 with light irradiation of the
- the light of the individual light guide zones 24 to 27 can be radiated relatively homogeneously via a coupling-out structure on the upper side 31 of the light guide plate 21 in different color combinations, light emitting diodes in red R, magenta M, green G and white W of the LED arrays are driven differently. For reasons of cost, only two colors, such as _
- red R and green G be provided as a backlight.
- red R can serve as a warning color and green G as an indicator color.
- a light guide plate with differently shielded, arbitrarily structurable light guide zones 24 to 27 used as a backlight 9 a display device 2 of an instrument or a fitting, for example, in a dashboard, so can be used as a display screen, a flexible and inexpensive monochromatic LCD screen with coarse pixel matrix be colored differently and variably to light up symbols and symbols on the instrument.
- FIG. 4 shows a schematic diagram of the method for producing light guide zones 24 to 30 in a light guide body 19 of a display device 3 according to a third embodiment of the invention.
- the light guide body 19 is formed by a light guide plate 21 having a rectangular shape, which has the edge sides 33 to 36.
- partition walls 23 extending from the top 31 to the back 32 are introduced by means of a three-dimensional laser scanner 50 by varying the focal point of the three-dimensional laser scanner 50.
- the thermal action of the three-dimensionally focusable laser beam 57 light-absorbing or light-reflecting spots are produced which touch and / or overlap one another in the vertical z-direction and form non-shielding walls in the optical waveguide body 19.
- Figure 5 shows a schematic plan view of a light guide body 19 with display screen 8 according to the third embodiment of the invention.
- Figure 5A shows the light guide body 19, which forms a flexible backlight 9 in the light guide zones 24 to 30 due to bulbs 18 from the edge sides 34 and 36 of.
- each light guide zone 24 to 30 is equipped with separate light sources 18 which are equipped, for example, with light emitting diode arrays with red R, magenta M and green G emitting light emitting diodes.
- a display screen 8 as shown in Fig. 5B, is backlit.
- the illuminated characters 11 to 17 individually lit switch positions of a gear selector lever, as shown in Figure 1, light up. In this case can be from an automatic mode with the lit.
- Characters 11 to 15 are switched to a manual mode with the + and - signs.
- Loading gears are indicated by green and white in manual mode.
- FIG. 6 shows a schematic plan view of a light guide body 19 with display screen 8 according to a fourth embodiment of the invention.
- FIG. 6A again shows the backlight 9 in the form of a light guide body 19, which is designed as a light guide plate 21 and has only two light guide zones 24 and 30, wherein the light guide zone 24 is provided for the automatic switching and the light guide zone 30 for the manual switch mode.
- a large number of light-emitting diodes arranged side by side on the side edge 34 or 36 is provided, these light-emitting diodes, for example, the three color components red R, magenta M and green G and a bright luminous one
- FIG 5B again shows the associated display screen 8 with the switching positions of the automatic circuit of illuminated characters 11 to 15, which light up in one color due to the common light guide zone 24, as shown in Figure 6A, while the characters 16 and 17 simultaneously illuminate in a different color can.
- the automatic switching positions with the aid of the light guide zone 24, for example, green light up and the manual switching positions with the aid of the optical fiber zone 30, for example, red light up and vice versa are e.g. the automatic circuit is in operation.
- FIG. 7 shows schematic representations of a display device 5 according to a fifth embodiment of the invention.
- the display panel of a gearshift 7A shows a top view of the display screen 8
- FIG. 7B shows the backlight 9 to which the display screen 8 can be applied.
- the backlight 9 has two light guide zones 24 and 30 in a light guide plate 21, wherein both the light guide zone 30 and the light guide zone 24 are completely surrounded by partitions 23, since in this embodiment of the invention, as shown in FIG 7C, the light guide zones 24 and 30 of the light guide plate 21 from the back 32nd the light guide plate 21 are illuminated from.
- a light box 49 with light chambers 58 and 59 is arranged, which each have a light source 18 with two light emitting diodes red R and green G which illuminate the light guide body 19 shown in FIG.
- the transparent plastic mass 22 of the light guide plate 21 is divided into side regions 51 and 52 and illuminated light guide zones 24 and 30, wherein the side regions 51 and 52 are shielded from the illuminated regions by light-shielding partitions 23 and the illuminated regions are shielded by a shielding partition 23 between the light guide zones 24 and 30 are sealed off from each other, so that no color mixing can occur.
- FIG. 8 shows diagrammatic representations of the display device 5 according to FIG. 7, wherein FIG. 8A corresponds to FIG. 7A and FIG. 8B corresponds to FIG. 7B with dashed lines of the backlightable characters 13 to 17.
- FIG. 8C the assembly of the display screen 8 and the backlight 9 can now be seen in cross-section, with the display screen 8 being made of an opaque light. Lassigen plastic mass is fixed with its back 20 on the top 31 of the light guide plate 21.
- the transparent openings 45 and 46 in the light-permeable plastic mass of the display screen 8 the light of the light-shielded zones 24 and 30, which are shielded from each other, falls on the back side 20 of the display screen 8 and can be emitted through the openings 15 and 16 which have a transparent plastic compound.
- This arranged in the openings transparent plastic mass protects the display screen 8 against dust accumulation.
- Figure 9 shows schematic representations of a display device according to the prior art, as it was already discussed in the introduction with its disadvantages, so that can be dispensed with a repetition at this point.
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
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- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Instrument Panels (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1114971A GB2480577A (en) | 2009-03-10 | 2010-03-09 | Display device for a vehicle and method for producing the display device |
CN2010800204691A CN102422189A (zh) | 2009-03-10 | 2010-03-09 | 用于车辆的显示设备及其制造方法 |
US13/255,628 US20120002442A1 (en) | 2009-03-10 | 2010-03-09 | Display device for a vehicle and method for producing the display device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009011948A DE102009011948A1 (de) | 2009-03-10 | 2009-03-10 | Anzeigevorrichtung für ein Fahrzeug und Verfahren zur Herstellung der Anzeigevorrichtung |
DE102009011948.5 | 2009-03-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010102777A1 true WO2010102777A1 (de) | 2010-09-16 |
Family
ID=42232691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/001447 WO2010102777A1 (de) | 2009-03-10 | 2010-03-09 | Anzeigevorrichtung für ein fahrzeug und verfahren zur herstellung der anzeigevorrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US20120002442A1 (de) |
CN (1) | CN102422189A (de) |
DE (1) | DE102009011948A1 (de) |
GB (1) | GB2480577A (de) |
WO (1) | WO2010102777A1 (de) |
Cited By (2)
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CN104240619A (zh) * | 2013-06-18 | 2014-12-24 | 艾默生过程控制流量技术有限公司 | 显示屏、具有该显示屏的变送器和显示屏的显示控制方法 |
US11572009B2 (en) * | 2019-01-10 | 2023-02-07 | Motherson Innovations Company Limited | Covering device, body part and motor vehicle |
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DE102011014262B4 (de) * | 2011-03-17 | 2014-03-27 | Audi Ag | Leuchtvorrichtung mit animiertem Lauflicht für ein Kraftfahrzeug |
JP5687131B2 (ja) * | 2011-05-11 | 2015-03-18 | 矢崎総業株式会社 | Led照明ユニット |
EP2650707A1 (de) * | 2012-04-12 | 2013-10-16 | odelo GmbH | Leuchtmittel und Kraftfahrzeugleuchte |
CN104216169B (zh) * | 2013-05-30 | 2017-09-05 | 群创光电股份有限公司 | 显示装置 |
JP5928411B2 (ja) * | 2013-06-04 | 2016-06-01 | 株式会社デンソー | 車両用表示装置 |
CN104344300B (zh) * | 2013-07-24 | 2018-09-28 | 标致雪铁龙(中国)汽车贸易有限公司 | 一种车载的背光灯 |
US9297675B2 (en) | 2013-10-04 | 2016-03-29 | Tactotek Oy | Illuminated indicator structures for electronic devices |
US9302587B2 (en) | 2014-04-25 | 2016-04-05 | Continental Automotive Systems, Inc. | Instrument cluster including telltale illumination using a light guide |
DE102014107090B4 (de) | 2014-05-20 | 2022-10-20 | HELLA GmbH & Co. KGaA | Beleuchtungsvorrichtung für Fahrzeuge |
US9784427B2 (en) | 2015-01-09 | 2017-10-10 | GM Global Technology Operations LLC | Backlit illuminated device with lighting through decorative plated surfaces |
DE102015105168B4 (de) * | 2015-04-02 | 2024-06-27 | HELLA GmbH & Co. KGaA | Lichtleiter für eine Beleuchtungseinrichtung |
EP3181401B1 (de) * | 2015-12-15 | 2022-03-30 | Volkswagen Aktiengesellschaft | Beleuchtungsvorrichtung für ein kraftfahrzeug |
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Also Published As
Publication number | Publication date |
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CN102422189A (zh) | 2012-04-18 |
US20120002442A1 (en) | 2012-01-05 |
DE102009011948A1 (de) | 2010-09-16 |
GB201114971D0 (en) | 2011-10-12 |
GB2480577A (en) | 2011-11-23 |
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