CN104064115A - Display device, combined instrument, and manufacturing method - Google Patents

Display device, combined instrument, and manufacturing method Download PDF

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Publication number
CN104064115A
CN104064115A CN201410099542.9A CN201410099542A CN104064115A CN 104064115 A CN104064115 A CN 104064115A CN 201410099542 A CN201410099542 A CN 201410099542A CN 104064115 A CN104064115 A CN 104064115A
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CN
China
Prior art keywords
cover glass
display device
decoration element
recess
display unit
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Granted
Application number
CN201410099542.9A
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Chinese (zh)
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CN104064115B (en
Inventor
M.施皮尔哈根
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Robert Bosch GmbH
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Robert Bosch GmbH
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Publication of CN104064115A publication Critical patent/CN104064115A/en
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    • B60K35/60
    • B60K2360/688
    • B60K2360/693
    • B60K2360/92

Abstract

The invention relates to a display device (2) having at least a display unit (3-6) for displaying image information, at least one piece of protective glass (8) covering the display unit (3-6), and at least one decoration element (12), wherein the decoration element (12) is attached to the protective glass (8).

Description

Display device, combination instrument and for the manufacture of method
Technical field
The present invention relates to a kind of display device, this display device has at least one display unit for displays image information, has at least one block of cover glass that described display unit is covered and have at least one decoration element.
In addition, the present invention relates to a kind of a kind of combination instrument and method for the manufacture of such display device with corresponding display device.
Background technology
From prior art, know the display device, combination instrument and the method for manufacturing that start the type of mentioning.In vehicle especially motor vehicle, be provided with display device, for showing about the information of the operation of vehicle, rotating speed such as the internal combustion engine of the current speed of vehicle, vehicle, engine temperature or also display alarm signal to vehicle driver as soon as possible.Conventionally be provided with display unit for this reason, be especially also provided with display, described display unit be arranged in described display device cover glass below to prevent the impact of outside.In order to improve the impression of outward appearance, be also often provided with in addition one or more decoration element, described decoration element is arranged on housing section described display device, that supporting display unit.Decoration element can refer to a kind of fixing element at this, this element be in operation neither change its position do not change yet its shape and as simple, for improvement of the what comes into a driver's element of the impression of the outward appearance of described display device.Therefore such as knowing, by being applied to interpolation that surround, dial disc on described housing and by described display unit, the digital calibration of velograph is set.For being configured to display unit display, numeral, in the visual range of described display unit, can not or almost can not realize such arrangement of decoration element.
Summary of the invention
Described by of the present invention, there is the display device of feature described in claim 1 and have following advantage: in the time that described at least one display unit is configured to display, also described decoration element can be arranged on the position arbitrarily of described display device.According to the present invention, regulation for this reason, described at least one decoration element is fixed on described cover glass.Described decoration element can be arranged on the position arbitrarily of described display device thus.Wherein in principle especially can be by being fixed on this cover glass on the back side on the bonding front that described decoration element is fixed on to described cover glass or on described cover glass.As the back side, wherein here refer to described cover glass, towards the one side of display unit, and as front refer to described cover glass, towards vehicle driver's one side.
According to a kind of favourable improvement project regulation of the present invention, described cover glass has hydrophobic coating on front.Described hydrophobic coating is as anti-fingerprint-protective finish, and described anti-fingerprint-protective finish prevents from staying observable stain in the time encountering described cover glass.But the disadvantage of described hydrophobic coating is can not or almost decoration element can not be sticked on the front of described cover glass.Therefore regulation, described hydrophobic coating is preferably set up in some regions, and any decoration element should be set in these regions.
According to the preferred improvement project regulation of one of the present invention, described cover glass has the recess passing from described hydrophobic coating at least completely on front, for this recess has distributed described decoration element.Described recess, thus also at least through described hydrophobic coating, may make the adhesion of described decoration element become coating difficulty, hydrophobic thereby do not exist on the position of described recess.
Wherein preferably specify, described recess configuration is blind hole or groove.These two kinds of flexible programs have following characteristic: they do not pass completely through described cover glass, and are to provide a bottom, and this bottom forms by described cover glass.Described decoration element can stick on described bottom or stick in the bottom section of described recess with simple methods thus.
According to the preferred improvement project regulation of one of the present invention, described decoration element has at least one projection, and described projection is especially at least fitted in described recess ordinatedly in side view.Described decoration element preferably so forms thus, makes it have one and extend on the front that section in described recess and is placed in described cover glass at least partly and be placed in thus the section in coating described cover glass, hydrophobic.Thus for described decoration element provides the attaching structure especially reliably, on described cover glass.Especially by between projection and recess, at least coordinate in side view, especially gapless interaction provides attaching structure on described cover glass, extra for described decoration element.
Preferred described projection is bonded in described recess.By being arranged in described recess and being arranged in thus this mode in the region without hydrophobic coating, can with very effectively and the mode that can bear lastingly load described projection is bonded on described cover glass.
According to a kind of favourable improvement project regulation of the present invention, described recess configuration is that breach and the described projection of also from described cover glass, passing have riveted joint in end freely at it, and this riveted joint form fit ground blocks described cover glass from afterwards.Described breach is such as being configured to the form of perforation, and described projection is passed completely from described perforation.By being configured to this mode of riveted joint; described projection has xsect those widened sections on end described decoration element and block described cover glass from afterwards dorsad at it; described xsect those widened sections is blocked described cover glass to form fit on the back side of described cover glass from afterwards, described projection or described decoration element can not without damage be unclamped from described cover glass.Preferably, in this regulation, first described riveted joint has a kind of shape when mounted, and this shape allows described riveted joint to be inserted into the back side through described breach from front.If described decoration element is in its desired final position; that just makes the plastic yield like this of end freely described projection, that pass from described breach by heat and/or extruding, makes it form described riveted joint and blocks described cover glass from afterwards.
Particularly preferably described recess has one for receiving at least partly the xsect those widened sections of described riveted joint on the back side of described cover glass.By in xsect those widened sections described recess or described breach, above the end at the back side, a kind of region is provided, in this region can by described riveted joint sedimentation be arranged on described cover glass.This allows to obtain described display device, a kind of embodiment of compactness on the whole, because described riveted joint does not preferably have or almost do not exceed height or the thickness of described cover glass.For the intensity of raising on described cover glass, decoration element, do not have thus or only expand slightly spacing described cover glass, that leave display unit to be protected.
According to a kind of favourable improvement project regulation of the present invention, described cover glass is pasted on described display unit, especially described display by planar.The described cover glass that can be made of plastics by glass or also is preferably placed on described display thus planarly.Wherein between described cover glass and described display unit, be provided with adhesive material, described adhesive material is configured to the articulamentum (Optic-Bonding-Layer) of optics.Described cover glass and described display unit form a fixing unit thus, and the information wherein being shown by described display unit due to special arrangement can be clear that especially by described cover glass.
According to the preferred improvement project regulation of one of the present invention, described riveted joint is provided with the articulamentum being especially made up of jointing material or barrier material.Avoid by articulamentum on described riveted joint, additional: in the time described cover glass being applied on described display unit by means of adhesive material described above, in viewing area, produce vent plug.
Described by of the present invention, there is salient point feature, combination instrument described in claim 10 and be display device as described above.Describedly have the following advantages by combination instrument of the present invention: one or more decoration element reliably and enduringly can be arranged/be arranged on the position arbitrarily of described display device.
Described by of the present invention, have feature described in claim 11, be particularly useful for manufacturing display device as described above for the manufacture of the method for display device, there is at least one display unit for displays image information, there is at least one block of cover glass that described display unit is covered and there is at least one decoration element.The described salient point by method of the present invention is, described decoration element is fixed on described cover glass.Especially regulation, described cover glass is provided with at least partly hydrophobic coating on its front.Particularly preferably regulation, described cover glass is provided with recess, and this recess is at least through described hydrophobic coating.Described recess is advantageously configured to blind hole, groove or is configured to the breach passing completely from described cover glass at this.Described decoration element is preferably provided with projection at this, as has been describ described projection is put in described recess when mounted.In order reliably described decoration element or described projection to be fixed in described recess and specify, described projection is bonded together with described cover glass in described recess.As an alternative or additional project, preferably regulation, described projection is configured to riveted joint, and this riveted joint form fit ground blocks described cover glass from afterwards.Other embodiment and advantage are from above about obtaining described display device description.
Brief description of the drawings
To be explained in detail the present invention by means of accompanying drawing below.Accompanying drawing illustrates for this reason:
Fig. 1 be have display device, for the combination instrument of motor vehicle;
Fig. 2 is according to the sectional view of the display device of the first embodiment;
Fig. 3 A is for the manufacture of by the method for the display device of the second embodiment to 3D; And
Fig. 4 A is for the manufacture of by the method for the display device of the third embodiment to 4F.
Embodiment
Fig. 1 shows the combination instrument 1 for motor vehicle with the vertical view of simplifying, and this combination instrument has and is used to the display device 2 of vehicle driver by the information of illustrating.At this, described display device has multiple display units 3,4,5 and 6 for this reason, and described display unit is arranged side by side and is fixed on housing component 7 described combination instrument 1 or described display device 2.Described display unit 3 and 5 is configured to indicating instrument at this, and described display unit 4 and 6 is correspondingly configured to digital display unit or is configured to display.
In addition, described display device 2 has cover glass 8, and this cover glass is by all display unit 3 to 6 coverings and prevent externalities like this.
Fig. 2 show for this reason described display device 2, along sectional view lines A-A, in the region of described display unit 4, described display unit 4 is configured to display.As can be as seen from Figure 2; described cover glass 8 is placed on described display unit 4 in the situation that of intermediate arrangement bonding coat 9 planarly, and described bonding coat 9 is configured to the middle layer of optics or is configured to the bonding coat (optic-Bonding-Layer) of optics.In addition, described cover glass 8 has hydrophobic coating 11 at it on vehicle driver's front 10, and this hydrophobic coating prevents that as anti-fingerprint-coating described cover glass 8 from being made dirty very soon.
In addition,, according to Fig. 1 and 2, decoration element 12 be applied on the front 10 of described glass 8 and be fixed on described cover glass.According to described the first embodiment regulation, described decoration element 12 is adhered on described cover glass 8.Preferably described cover glass 8 has a section without hydrophobic coating 11 in the region of described decoration element 12 for this reason, better described decoration element 12 is remained on to described cover glass 8 for ensureing.
Fig. 3 A shows a kind of for dividing multiple steps to manufacture by the method for the display device of the second embodiment 1 to D.Realize this point by the method: described decoration element 12, adhering to lastingly and more can bear load on described cover glass 8.Regulation for this reason, according to Fig. 3 A towards first drawing system in the front of described cover glass 8, especially getting out or mill out a recess 13.Described recess 13 is representing a blind hole thus, or as be configured to shown in current embodiment as described in groove on the front 10 of cover glass 8.Described recess is arranged on coating 11 on positive 10, hydrophobic described in this passes completely through.Because described recess 13 does not pass completely through described cover glass 8, so it forms bottom 14.Tackifier 15 is applied on this bottom.
According to Fig. 3 B, described decoration element 12 is arranged on described cover glass 8 subsequently.For this reason, described decoration element 12 has the projection 16 towards described cover glass 8, and this protruding outline is so shaped, and it can be put in described recess 13 ordinatedly in side view.Especially described protruding 16 as shown in the drawings can be in side essentially no putting into gap in described recess 13.By this process of putting into, the tackifier 15 at described recess 13 is compressed.
With UV light, described tackifier 15 is carried out to radiation from the back side of described cover glass 8 according to Fig. 3 C subsequently, for described tackifier 15 is hardened.
Finally described cover glass 8 is arranged or is fixed on the bonding coat 9 above described display unit 4 together with described decoration element 12.
Described decoration element 12 is maintained on described cover glass 8 thus lastingly reliably, and this cover glass also continues to be provided with hydrophobic coating 11 in other place.
Fig. 4 A shows the third embodiment that manufactures described display device 2 for point multiple steps to F.Different from front a kind of embodiment, regulation now, described recess 13 passes completely through described cover glass 8, and the projection 16 of described decoration element 12 constructs so longly, makes it pass completely through described cover glass 8.Described protruding 16 stretch from the back side of described cover glass 8 thus.By hot extrusion; making described protruding 16 the plastic yield of end is freely riveted joint 18; this riveted joint blocks described cover glass 8 on the described back side from afterwards, thus as shown in Fig. 4 B on the whole form fit by as described in decoration element 12 remain on as described on cover glass 8 and only have by destroy could by its from as described in cover glass 8 unclamp.
According to Fig. 4 C, jointing material 19 is applied on described riveted joint 18 subsequently, described jointing material preferably covers described riveted joint 18 completely.The task of described jointing material 19 is to be connected with described bonding coat 9 in the situation that of not producing bubble especially therein in the time described cover glass 8 being applied to together with described decoration element 12 on described display unit 4.
Shown at Fig. 4 D, in the time that described cover glass 8 is arranged on described display unit 4, described riveted joint 18 is squeezed in described bonding coat 9 partly due to its characteristic.Also can replace described jointing material 19 and barrier material is set.Described barrier material prevent described bonding coat 9(low-viscose) outflow and define described bonding.The characteristic of described barrier layer or barrier material is the high viscosity of viscosity than the bonding coat of described bonding coat or described optics (Optic-Bonding-Layer), for ensureing essential geometric configuration at the state of sclerosis.Importantly, the amplitude that described riveted joint 18 stretches out from the back side of described cover glass 8 together with described jointing material 19, be not as so high as described bonding coat 9, contacts for avoid direct between riveted joint 18 or described jointing material 19 and display unit 4.
In order to reduce overall height; according to method described here; regulation as an alternative, described cover glass 8 has xsect those widened sections 20 at it above the back side in the region of the described recess 13 that is configured to breach, and this xsect those widened sections is for receiving at least partly described riveted joint 18.So form described xsect those widened sections 20 for this reason, make it at least substantially receive described riveted joint 18, make described riveted joint 18 as sedimentation shown in Fig. 4 E be arranged in as described on the back side of cover glass 8.
If then described cover glass 8 is installed on described display unit 4 and the bonding coat above it together with described decoration element 12; so due to the arrangement of the sedimentation of described riveted joint 18 and as make shown in Fig. 4 F as described in riveted joint 18 and as described in spacing between display unit 4 larger, even if described jointing material or barrier material 19 are applied on described riveted joint 18.
The display device 2 of so manufacturing has less structure height thus; and however allow described decoration element 12 be fixed on reliably on described cover glass 8 or be fixed in display device 2, described display device has also met the requirement to safety and stability in service at motor vehicle.
As the replacement scheme of embodiment with riveted joint 18; according to another kind unshowned embodiment regulation here; described protruding 16 end is freely provided with one or more positioning tab, and described positioning tab carries out elastic deformation and blocking described cover glass 8 out time from afterwards from described recess from the back side of described cover glass 8 in the time being inserted in described recess 13.Described decoration element 12 thus regularly clip on described cover glass 8 and do not need extra, for the manufacture of the heat-press step of riveted joint 18.
In a word; described display device 2 provides following advantage in addition by embodiment described above: the tackifier that may use exists in the mode being protected; the thermal expansivity of described display device 2, different element adapts each other; described decoration element 12 remains on its position reliably, and described decoration element 12 is owing to being fixed on described cover glass 8 and have higher changeability and described hydrophobic coating 11 is maintained substantially in other place about its location.

Claims (11)

1. display device (2); there is at least one display unit for displays image information (3-6), there is at least one block of cover glass (8) that described display unit (3-6) is covered and there is at least one decoration element (12); it is characterized in that, described decoration element (12) is fixed on described cover glass (8).
2. by display device claimed in claim 1, it is characterized in that, described cover glass (8) has hydrophobic coating (11) on positive (10).
3. by display device in any one of the preceding claims wherein, it is characterized in that, described cover glass (8) has the recess (13) that at least passes completely through described hydrophobic coating (11) on described front (10).
4. by display device in any one of the preceding claims wherein, it is characterized in that, described recess (13) is configured to blind hole or is configured to groove.
5. by display device in any one of the preceding claims wherein, it is characterized in that, described decoration element (12) has at least one projection (16), and described projection is fitted in described recess (13) and is especially bonded in described recess (13).
6. by display device in any one of the preceding claims wherein; it is characterized in that; described recess (13) is configured to also breach and the described projection (16) through described cover glass (8) and on end, has riveted joint (18) freely at it, and this riveted joint form fit ground blocks described cover glass (8) from afterwards.
7. by display device in any one of the preceding claims wherein, it is characterized in that, described recess (13) has the xsect those widened sections (20) for receiving at least partly described riveted joint (18) on the back side of described cover glass (8).
8. by display device in any one of the preceding claims wherein, it is characterized in that, described cover glass (8) is pasted on described display unit (4), especially display by planar.
9. by display device in any one of the preceding claims wherein, it is characterized in that, described riveted joint (18) is provided with the articulamentum being especially made up of jointing material (19) or barrier material.
10. for the combination instrument (1) of vehicle, especially motor vehicle, it is characterized in that by one in aforementioned claim or multinomial described display device (2).
11. for the manufacture of one or the method for multinomial described display device (2) of especially pressing in claim 1 to 9; described display device has at least one display unit for displays image information (3-6), has at least one block of cover glass (8) that described display unit (3-6) is covered and have at least one decoration element (12); it is characterized in that, described decoration element (12) is fixed on described cover glass (8).
CN201410099542.9A 2013-03-19 2014-03-18 Display device, combination meter, and method for manufacturing Active CN104064115B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013204823.8 2013-03-19
DE102013204823.8A DE102013204823A1 (en) 2013-03-19 2013-03-19 Display device, instrument cluster, method of manufacture

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CN104064115A true CN104064115A (en) 2014-09-24
CN104064115B CN104064115B (en) 2020-04-24

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DE (1) DE102013204823A1 (en)
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015226025A1 (en) 2015-12-18 2017-06-22 Robert Bosch Gmbh Display device for a motor vehicle

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Publication number Priority date Publication date Assignee Title
EP1034964A2 (en) * 1999-03-09 2000-09-13 Mannesmann VDO Aktiengesellschaft Front panel and method for its production
CN2578331Y (en) * 2002-11-19 2003-10-08 陆明业 Hydrophobic glass
CN2639024Y (en) * 2003-08-29 2004-09-08 承海珠 Glass pane with decorative pattern
CN2666722Y (en) * 2003-12-16 2004-12-29 哈飞汽车股份有限公司 Vehicle combined instrument
JP2007062478A (en) * 2005-08-30 2007-03-15 Calsonic Kansei Corp Display device for vehicle
CN2929041Y (en) * 2006-07-28 2007-08-01 黄春阳 Decoration wall surface tile
CN201034627Y (en) * 2006-12-11 2008-03-12 成都天兴仪表(集团)有限公司 Instrument board of automobile instrument
CN201275977Y (en) * 2008-10-30 2009-07-22 张大成 Arts and crafts glass
CN201646208U (en) * 2009-10-23 2010-11-24 周英 Rainbow crystal glass
CN102322608A (en) * 2011-06-14 2012-01-18 卢立新 Crystal glass lamp shade
CN102653235A (en) * 2011-03-02 2012-09-05 光阳工业股份有限公司 Fixing structure of decorative rhinestone of vehicle meter

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1034964A2 (en) * 1999-03-09 2000-09-13 Mannesmann VDO Aktiengesellschaft Front panel and method for its production
CN2578331Y (en) * 2002-11-19 2003-10-08 陆明业 Hydrophobic glass
CN2639024Y (en) * 2003-08-29 2004-09-08 承海珠 Glass pane with decorative pattern
CN2666722Y (en) * 2003-12-16 2004-12-29 哈飞汽车股份有限公司 Vehicle combined instrument
JP2007062478A (en) * 2005-08-30 2007-03-15 Calsonic Kansei Corp Display device for vehicle
CN2929041Y (en) * 2006-07-28 2007-08-01 黄春阳 Decoration wall surface tile
CN201034627Y (en) * 2006-12-11 2008-03-12 成都天兴仪表(集团)有限公司 Instrument board of automobile instrument
CN201275977Y (en) * 2008-10-30 2009-07-22 张大成 Arts and crafts glass
CN201646208U (en) * 2009-10-23 2010-11-24 周英 Rainbow crystal glass
CN102653235A (en) * 2011-03-02 2012-09-05 光阳工业股份有限公司 Fixing structure of decorative rhinestone of vehicle meter
CN102322608A (en) * 2011-06-14 2012-01-18 卢立新 Crystal glass lamp shade

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FR3003681B1 (en) 2021-04-23
DE102013204823A1 (en) 2014-09-25
CN104064115B (en) 2020-04-24
FR3003681A1 (en) 2014-09-26

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