EP1834204A1 - Head-up display mit verformbarem spiegel - Google Patents
Head-up display mit verformbarem spiegelInfo
- Publication number
- EP1834204A1 EP1834204A1 EP05816221A EP05816221A EP1834204A1 EP 1834204 A1 EP1834204 A1 EP 1834204A1 EP 05816221 A EP05816221 A EP 05816221A EP 05816221 A EP05816221 A EP 05816221A EP 1834204 A1 EP1834204 A1 EP 1834204A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mirror
- head
- display
- adjusting
- spie
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/02—Catoptric systems, e.g. image erecting and reversing system
- G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
- G02B17/0605—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using two curved mirrors
- G02B17/0621—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using two curved mirrors off-axis or unobscured systems in which not all of the mirrors share a common axis of rotational symmetry, e.g. at least one of the mirrors is warped, tilted or decentered with respect to the other elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0825—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a flexible sheet or membrane, e.g. for varying the focus
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/011—Head-up displays characterised by optical features comprising device for correcting geometrical aberrations, distortion
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0149—Head-up displays characterised by mechanical features
- G02B2027/0154—Head-up displays characterised by mechanical features with movable elements
Definitions
- the invention relates to a head-up display having an image ⁇ generating unit and at least one mirror, the beam path in ⁇ Strah is arranged after the image forming unit.
- the preferred area of application for the object of the inventions is fertil, are reflected by means of which information superimposed with the image of the environment in the windshield for the driver perceived the automotive industry, where already separated Vorrichtun ⁇ be applied gen.
- For a high imaging quality of the displayed to the driver in the area virtual image of the head-up displays high Anforderun ⁇ gen are to be placed on the optics of the device.
- the invention proposes that the mirror is formed deformable.
- plastic reflect ⁇ since they are inexpensive to produce in injection molding technology.
- a deformation of at least one mirror in particular allows the correction of typical distortions on windshields by the mirror at only certain points, for example, portions of a bearing surface, be ⁇ strengthened and is acted upon at others by means of a movable bearing with a bending force.
- the mirror is also designed to be movable - ie displaceable and / or rotatable, preferably while maintaining the shape or. Surface contour.
- a positional correction of the displayed virtual image can additionally be carried out by adjusting the mirror.
- does not have the whole head-up display can be adjusted by means of an adjustment of the contact points more, which opened beneficial ⁇ way a particularly massive and easy attachment of the head-up display in the motor vehicle without Verstellieri- ness.
- it makes sense if the mounting of the mirror on a holder is designed such that the holder holds the mirror in a predetermined shape or. fixed.
- the holder may also have support surfaces for the mirror, and it may be provided on the support surfaces washer for the mirror, which are arranged between the support surfaces and the mirror.
- the mirror optionally only point or line-like with bearing surfaces has a firm connection, and in the remaining area, preferably ⁇ in the edge or corner area, for example by means of shims or actuators can be deformed so that the Shape and position of the windshield is compensated with the aim ei ⁇ ner distortion-free display of the virtual image of the shape of the mirror.
- Particularly useful is an embodiment of a holder with at least one
- the mirror is deformable.
- the actuator may ⁇ element in this case, for example, comprise a piezoelectric actuator on ⁇ , be an electromagnetic actuator or equipped with a servo motor, preferably which drives ⁇ instance from a central controller controlled deformation of the mirror for an approximation to a virtual image target state cause ,
- the adjusting element can have an adjusting screw, possibly driven by the drives mentioned above by way of example, which enables a precise adjustment of the mirror shape and the mirror position.
- electromagnetic control elements are inexpensive and convenient.
- a particularly compact design of the head-up display he ⁇ gives, if the holder is part of a housing in which the image forming unit is arranged.
- bearing surfaces for the mirror and front can be directly attached to the housing.
- the rigidity of a regular, and preferably kastenför ⁇ -shaped housing has a positive effect on the positional stability of the mirror.
- the demands on the tolerances of the housing in the region of the mirror are hereby relatively low, since the mobility according to the invention resp. a deformability of the mirror in a position to compensate for inaccuracies of the hous ⁇ ses without additional effort.
- the ⁇ se free-form surface can be based on the Fix ⁇ points of the mirror and the bearing points of the mirror tuned to actuators in such a way to be that s is typical distortions from deformations of the windscreen, when installing the ⁇ same with just a few, possibly only one Have adjusting element corrected.
- a controller is provided which controls the adjusting elements on the basis of a predetermined correction parameter set so that undergoes s the mirror agreed be a ⁇ deformation.
- the correction parameter set can be the result of an analysis of measured values which determine the actual individual geometry of the relative position of the support points of a head-up.
- Such a measurement can be made directly or indirectly by the head-up display is incorporated in a first position, first and windshield, a reference image in the wind einaptt which the determination of relevant means of reference points geometry ratios of the Real ⁇ tivlage of the head-up display to the windshield made ⁇ light.
- This can be done, for example, by means of a receiving Sensors in the perception area (eye-box) for the head-up display and an evaluating arithmetic unit take place, which determines from the measured values the correction parameter set for the control of actuators.
- Figure 1 is a schematic representation of a special
- Figure 2 is a schematic spatial representation of a ver ⁇ mouldable mirror with actuators.
- Figure 1 shows a head-up display 1 in
- the simplified illustrated head-up display 1 has as we ⁇ sentliche modules a controller 6, a light source 7, one of the light source 7 through-lit display 8 and two the beam path 2 deflecting mirror 9, 10.
- the Lichtquel ⁇ le 7 generates the neces sary for fluoroscopy of the display 8 Liehe light by means of several light-emitting diodes 11, which radiate in a reflector 12, which generates a substantially parallel beam path 2 from the coupled light.
- the light source 7 and the display 8 form in combination with each other.
- the first mirror following the image generation unit 13 in the beam path 2 is designed to be movable and deformable and can be adjusted to a specific shape and position by means of an adjusting element 15 in accordance with specifications from the control 6.
- the actuating element 15 is embodied as a piezoelectric actuator 16 and the one-dimensional method allows a final control elements of the serving 18 of the mirror 9 as la ⁇ -enhancing pad adjacent one edge thereof.
- the mirror 9 is fixedly mounted on a holder 22 and adjustably mounted in a second region 21 on an actuator of the adjusting element 15, which adjusting element 15 is also attached to the holder 22.
- the holder 22 is part of a housing 23 surrounding the head-up display 1.
- the first mirror 9 in the beam path subsequent second mirror 10 is partially attached to a support surface 24 and adjusted in the non-fixed area by means of a Unterlegele ⁇ Mentes 25, which is releasably secured there, in terms of its shape and position.
- the controller 6 controls the deformation of the first mirror 9 by driving the actuating element 15 in a predetermined way.
- FIG. 2 shows a deformable rectangular mirror 9 according to the invention attached to a holder 22.
- a deformable rectangular mirror 9 according to the invention attached to a holder 22.
- the region of the geometric center 31 of the mirror surface of the mirror is punctiform static but spatially rotatable.
- a storage point 32, 33, 34, 35 At each corner there is a storage point 32, 33, 34, 35, on which by means of a respective adjusting element 15, the position of the mounted region of the mirror 9 deforming the mirror 9 in a direction substantially perpendicular to the plane of the undeformed mirror 9 is changeable bar.
- typical errors of Ab ⁇ education of the reflection in the windshield WS can be corrected.
- two bearings 36, 37 In the region of the edge of the mirror 9 are two bearings 36, 37, each of which allow a one-dimensional transverse movement of the bearing point of the mirror 9 along a curve 38, 39 and otherwise limit the degrees of freedom of mobility there.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Instrument Panels (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005000871 | 2005-01-05 | ||
| PCT/EP2005/056628 WO2006072529A1 (de) | 2005-01-05 | 2005-12-09 | Head-up display mit verformbarem spiegel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1834204A1 true EP1834204A1 (de) | 2007-09-19 |
Family
ID=35717510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05816221A Withdrawn EP1834204A1 (de) | 2005-01-05 | 2005-12-09 | Head-up display mit verformbarem spiegel |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20080218870A1 (de) |
| EP (1) | EP1834204A1 (de) |
| JP (1) | JP2008527433A (de) |
| WO (1) | WO2006072529A1 (de) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4692496B2 (ja) * | 2007-02-23 | 2011-06-01 | 株式会社デンソー | 車両用表示装置 |
| JP5204309B2 (ja) * | 2009-09-15 | 2013-06-05 | 株式会社東芝 | 表示装置およびその制御方法 |
| JP5240222B2 (ja) * | 2010-03-26 | 2013-07-17 | 株式会社デンソー | ヘッドアップディスプレイ装置 |
| JP5928287B2 (ja) * | 2012-10-09 | 2016-06-01 | 株式会社デンソー | 光学ミラーおよびヘッドアップディスプレイ |
| JP6225537B2 (ja) * | 2013-07-23 | 2017-11-08 | 株式会社デンソー | 形状可変素子、および自動車用ヘッドアップディスプレイ |
| TWI541543B (zh) | 2013-10-21 | 2016-07-11 | 財團法人工業技術研究院 | 分光模組及應用其之投影裝置 |
| JP6087788B2 (ja) * | 2013-10-31 | 2017-03-01 | アルプス電気株式会社 | 車載用投影装置 |
| JPWO2015098078A1 (ja) * | 2013-12-27 | 2017-03-23 | パナソニックIpマネジメント株式会社 | 表示装置および表示ユニット |
| US9740004B2 (en) * | 2014-06-05 | 2017-08-22 | Making Virtual Solid—California LLC. | Pupil-expanded biocular volumetric display |
| WO2016038767A1 (ja) | 2014-09-08 | 2016-03-17 | パナソニックIpマネジメント株式会社 | ヘッドアップディスプレイ及び移動体 |
| TWI578085B (zh) | 2014-12-24 | 2017-04-11 | 財團法人工業技術研究院 | 投影裝置 |
| CN105785568A (zh) * | 2014-12-25 | 2016-07-20 | 比亚迪股份有限公司 | 一种车载抬头显示系统及汽车 |
| DE102015225068B4 (de) | 2015-12-14 | 2026-03-26 | Aumovio Germany Gmbh | Head-up Display |
| JP2017207607A (ja) * | 2016-05-18 | 2017-11-24 | アルパイン株式会社 | 多層画像表示装置 |
| JP2017227682A (ja) * | 2016-06-20 | 2017-12-28 | アルプス電気株式会社 | ミラー構造体およびヘッドアップディスプレイ装置 |
| US10895741B2 (en) | 2017-10-03 | 2021-01-19 | Industrial Technology Research Institute | Ultra-wide head-up display system and display method thereof |
| EP3683615A1 (de) | 2019-01-18 | 2020-07-22 | Continental Automotive GmbH | Head-up-display-anzeigevorrichtung für ein fahrzeug sowie fahrzeug |
| CN217561836U (zh) * | 2020-02-05 | 2022-10-11 | 日本精机株式会社 | 平视显示装置 |
| JP7327253B2 (ja) * | 2020-04-06 | 2023-08-16 | 株式会社デンソー | 虚像表示装置 |
| DE102024202716A1 (de) * | 2024-03-21 | 2025-09-25 | Stellantis Auto Sas | Beleuchtungsanordnung zum Beleuchten einer Beleuchtungsfläche in einem Innenraum eines Fahrzeugs sowie die Beleuchtungsanordnung aufweisendes Fahrzeug |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5805119A (en) * | 1992-10-13 | 1998-09-08 | General Motors Corporation | Vehicle projected display using deformable mirror device |
| US5715337A (en) * | 1996-09-19 | 1998-02-03 | The Mirco Optical Corporation | Compact display system |
| US7098871B1 (en) * | 1998-08-05 | 2006-08-29 | Microvision, Inc. | Optical scanning system with correction |
| JP4567163B2 (ja) * | 2000-08-29 | 2010-10-20 | オリンパス株式会社 | 観察光学系および撮像光学系 |
| JP2003107391A (ja) * | 2001-09-28 | 2003-04-09 | Nippon Seiki Co Ltd | ヘッドアップディスプレイ装置 |
| DE10219512B4 (de) * | 2002-04-30 | 2004-05-06 | Rodenstock Gmbh | Kompensation der Fehlsichtigkeit mittels eines deformierten/deformierbaren Spiegels oder/und einer korrigierenden Optik in einem Virtual Reality Display |
| FR2853090B1 (fr) * | 2003-03-28 | 2005-06-10 | Valeo Vision | Procede d'affichage d'une image sur un pare-brise de vehicule et dispositif de mise en oeuvre. |
-
2005
- 2005-12-09 US US11/794,842 patent/US20080218870A1/en not_active Abandoned
- 2005-12-09 EP EP05816221A patent/EP1834204A1/de not_active Withdrawn
- 2005-12-09 WO PCT/EP2005/056628 patent/WO2006072529A1/de not_active Ceased
- 2005-12-09 JP JP2007549840A patent/JP2008527433A/ja not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006072529A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006072529A1 (de) | 2006-07-13 |
| JP2008527433A (ja) | 2008-07-24 |
| US20080218870A1 (en) | 2008-09-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20070703 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB IT |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: VDO AUTOMOTIVE AG |
|
| DAX | Request for extension of the european patent (deleted) | ||
| RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB IT |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: CONTINENTAL AUTOMOTIVE GMBH |
|
| 17Q | First examination report despatched |
Effective date: 20090210 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20091006 |