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Description
開示された発明のひとつは、移動体(1)に搭載され、投影部材(3)での反射を用いて、移動体の乗員
により視認可能な虚像(VIa,VIb)を複数表示するヘッドアップディスプレイ装置であって、
虚像を表示するための表示光を各々の所定方向に偏光した状態で発し、表示光による光路(OPa,OPb)を構成している複数の表示器(10,20,210,220,310,320,410,420,510,520,610,620,710,720)と、
複数の表示器に対して共通に設けられ、光学的に開口し、各表示器からの各表示光を投影部材へ向けて通過させる光学的開口部(7)と、
各光路のうち少なくとも1つの光路上に配置され、光路に対応する表示器からの表示光を反射する反射鏡(30,40,240,340,440,530,540,630,640,730,740)と、を備え、
各表示光の偏光方向(PDa,PDb)は、光学的開口部への入射直前において、互いに合わせられており、
各光路における反射鏡としては、各表示器に対応する各光路間で共用される共用反射鏡のみが設けられ、
各表示光の偏光方向は、共用反射鏡への入射直前において、互いに合わせられている。
また、開示された発明の他のひとつは、移動体(1)に搭載され、投影部材(3)での反射を用いて、移動体の乗員により視認可能な虚像(VIa,VIb)を複数表示するヘッドアップディスプレイ装置であって、
虚像を表示するための表示光を各々の所定方向に偏光した状態で発し、表示光による光路(OPa,OPb)を構成している複数の表示器(10,20,210,220,310,320,410,420,510,520,610,620,710,720)と、
複数の表示器に対して共通に設けられ、光学的に開口し、各表示器からの各表示光を投影部材へ向けて通過させる光学的開口部(7)と、
各光路のうち少なくとも1つの光路上に配置され、光路に対応する表示器からの表示光を反射する反射鏡(30,40,240,340,440,530,540,630,640,730,740)と、を備え、
各表示光の偏光方向(PDa,PDb)は、光学的開口部への入射直前において、互いに合わせられており、
反射鏡は、複数設けられ、
各反射鏡は、対応する光路の表示光が、反射鏡における入射面に対して所定の角度で傾斜した偏光方向にて、反射鏡に入射するように配置された傾斜偏光配置反射鏡を1つ以上含み、
各光路は、傾斜偏光配置反射鏡での反射回数が偶数回となる偶数回反射光路と、傾斜偏光配置反射鏡での反射回数が奇数回となる奇数回反射光路との両方を含み、
偶数回反射光路における最初の傾斜偏光配置反射鏡への入射直前における表示光の偏光方向と、奇数回反射光路における最初の傾斜偏光配置反射鏡への入射直前における表示光の偏光方向とは、それぞれに対応する最初の傾斜偏光配置反射鏡における入射面と直交する直交軸(OA)を対象線として、互いに線対称の関係となっている。
また、開示された発明の他のひとつは、移動体(1)に搭載され、投影部材(3)での反射を用いて、移動体の乗員により視認可能な虚像(VIa,VIb)を複数表示するヘッドアップディスプレイ装置であって、
虚像を表示するための表示光を各々の所定方向に偏光した状態で発し、表示光による光路(OPa,OPb)を構成している複数の表示器(10,20,210,220,310,320,410,420,510,520,610,620,710,720)と、
複数の表示器に対して共通に設けられ、光学的に開口し、各表示器からの各表示光を投影部材へ向けて通過させる光学的開口部(7)と、を備え、
各表示光の偏光方向(PDa,PDb)は、光学的開口部への入射直前において、互いに合わせられており、
各表示器に対応する各光路のうち、少なくとも1つの特定の光路上に配置され、光学的開口部への入射直前にて各表示光の偏光方向が合うように、特定の光路に対応する表示器からの表示光の偏光方向を回転する位相差板(350)を、さらに備える。
また、開示された発明の他のひとつは、移動体(1)に搭載され、投影部材(3)での反射を用いて、移動体の乗員により視認可能な虚像(VIa,VIb)を複数表示するヘッドアップディスプレイ装置であって、
虚像を表示するための表示光を各々の所定方向に偏光した状態で発し、表示光による光路(OPa,OPb)を構成している複数の表示器(10,20,210,220,310,320,410,420,510,520,610,620,710,720)と、
複数の表示器に対して共通に設けられ、光学的に開口し、各表示器からの各表示光を投影部材へ向けて通過させる光学的開口部(7)と、を備え、
各表示光の偏光方向(PDa,PDb)は、光学的開口部への入射直前において、互いに合わせられており、
各表示器に対応する各光路のうち、少なくとも1つの特定の光路上に配置され、光学的開口部への入射直前にて各表示光の偏光方向が合うように、対応する表示器からの表示光の偏光方向を変更する偏光子(452)を、さらに備える。
One of the disclosed invention is mounted on a mobile body (1), by using the reflection of the projection member (3), viewable virtual image by the occupant of the mobile (VIa, VIb) head-up display for displaying a plurality of A device,
A plurality of indicators (10, 20, 210, 220, 310, 320) that emit display light for displaying a virtual image in a state of being polarized in respective predetermined directions and constitute an optical path (OPa, OPb) by the display light. , 410, 420, 510, 520, 610, 620, 710, 720),
An optical opening (7) provided in common for the plurality of displays, optically opening, and allowing each display light from each display to pass toward the projection member;
Reflectors (30, 40, 240, 340, 440, 530, 540, 630, 640, 730, and 740) that are arranged on at least one of the optical paths and reflect display light from the display corresponding to the optical path. ) And
The polarization directions (PDa, PDb) of the display lights are aligned with each other immediately before entering the optical aperture ,
As the reflecting mirror in each optical path, only a shared reflecting mirror shared between the optical paths corresponding to each display is provided,
The polarization directions of the display lights are aligned with each other immediately before entering the common reflecting mirror .
Another aspect of the disclosed invention is to display a plurality of virtual images (VIa, VIb) that are mounted on the moving body (1) and can be visually recognized by the occupant of the moving body, using reflection on the projection member (3). A head-up display device,
A plurality of indicators (10, 20, 210, 220, 310, 320) that emit display light for displaying a virtual image in a state of being polarized in respective predetermined directions and constitute an optical path (OPa, OPb) by the display light. , 410, 420, 510, 520, 610, 620, 710, 720),
An optical opening (7) provided in common for the plurality of displays, optically opening, and allowing each display light from each display to pass toward the projection member;
Reflectors (30, 40, 240, 340, 440, 530, 540, 630, 640, 730, and 740) that are arranged on at least one of the optical paths and reflect display light from the display corresponding to the optical path. ) And
The polarization directions (PDa, PDb) of the display lights are aligned with each other immediately before entering the optical aperture,
A plurality of reflectors are provided,
Each reflecting mirror has one inclined polarization arrangement reflecting mirror arranged so that display light in a corresponding optical path is incident on the reflecting mirror in a polarization direction inclined at a predetermined angle with respect to the incident surface of the reflecting mirror. Including
Each optical path includes both an even-numbered reflection optical path in which the number of reflections at the inclined polarization arrangement reflector is an even number and an odd-number reflection optical path in which the number of reflections at the inclined polarization arrangement reflector is an odd number,
The polarization direction of the display light immediately before entering the first inclined polarization arrangement reflector in the even-number reflection optical path and the polarization direction of the display light immediately before entering the first inclination polarization arrangement reflector in the odd-number reflection optical path are respectively Are orthogonal to each other with the orthogonal axis (OA) orthogonal to the incident surface in the first tilted polarization arrangement reflecting mirror corresponding to.
Another aspect of the disclosed invention is to display a plurality of virtual images (VIa, VIb) that are mounted on the moving body (1) and can be visually recognized by the occupant of the moving body, using reflection on the projection member (3). A head-up display device,
A plurality of indicators (10, 20, 210, 220, 310, 320) that emit display light for displaying a virtual image in a state of being polarized in respective predetermined directions and constitute an optical path (OPa, OPb) by the display light. , 410, 420, 510, 520, 610, 620, 710, 720),
An optical opening (7) provided in common for the plurality of displays, optically opening, and allowing each display light from each display to pass toward the projection member,
The polarization directions (PDa, PDb) of the display lights are aligned with each other immediately before entering the optical aperture,
A display corresponding to a specific optical path is arranged on at least one specific optical path among the optical paths corresponding to each display so that the polarization direction of each display light matches immediately before entering the optical aperture. A retardation plate (350) that rotates the polarization direction of the display light from the device is further provided.
Another aspect of the disclosed invention is to display a plurality of virtual images (VIa, VIb) that are mounted on the moving body (1) and can be visually recognized by the occupant of the moving body, using reflection on the projection member (3). A head-up display device,
A plurality of indicators (10, 20, 210, 220, 310, 320) that emit display light for displaying a virtual image in a state of being polarized in respective predetermined directions and constitute an optical path (OPa, OPb) by the display light. , 410, 420, 510, 520, 610, 620, 710, 720),
An optical opening (7) provided in common for the plurality of displays, optically opening, and allowing each display light from each display to pass toward the projection member,
The polarization directions (PDa, PDb) of the display lights are aligned with each other immediately before entering the optical aperture,
Display from the corresponding display unit is arranged on at least one specific optical path among the optical paths corresponding to each display unit so that the polarization direction of each display light is matched immediately before entering the optical aperture. A polarizer (452) that changes the polarization direction of the light is further provided.
Claims (15)
前記虚像を表示するための表示光を各々の所定方向に偏光した状態で発し、前記表示光による光路(OPa,OPb)を構成している複数の表示器(10,20,210,220,310,320,410,420,510,520,610,620,710,720)と、
前記複数の表示器に対して共通に設けられ、光学的に開口し、各前記表示器からの各前記表示光を前記投影部材へ向けて通過させる光学的開口部(7)と、
各前記光路のうち少なくとも1つの光路上に配置され、前記光路に対応する前記表示器からの前記表示光を反射する反射鏡(30,40,240,340,440,530,540,630,640,730,740)と、を備え、
各前記表示光の偏光方向(PDa,PDb)は、前記光学的開口部への入射直前において、互いに合わせられており、
各前記光路における前記反射鏡としては、各前記表示器に対応する各前記光路間で共用される共用反射鏡のみが設けられ、
各前記表示光の偏光方向は、前記共用反射鏡への入射直前において、互いに合わせられているヘッドアップディスプレイ装置。 A head-up display device that is mounted on a moving body (1) and displays a plurality of virtual images (VIa, VIb) that can be visually recognized by an occupant of the moving body using reflection on a projection member (3),
A plurality of indicators (10, 20, 210, 220, 310) that emit display light for displaying the virtual image in a state polarized in respective predetermined directions and constitute an optical path (OPa, OPb) by the display light. , 320, 410, 420, 510, 520, 610, 620, 710, 720),
An optical opening (7) provided in common for the plurality of indicators, optically opening, and allowing the display light from each of the indicators to pass toward the projection member;
Reflecting mirrors (30, 40, 240, 340, 440, 530, 540, 630, 640) disposed on at least one of the optical paths and reflecting the display light from the display corresponding to the optical path. , 730, 740), and
The polarization directions (PDa, PDb) of the display lights are aligned with each other immediately before entering the optical aperture ,
As the reflecting mirror in each of the optical paths, only a common reflecting mirror shared between the optical paths corresponding to the indicators is provided,
The head-up display device in which the polarization directions of the display lights are aligned with each other immediately before entering the common reflector .
前記虚像を表示するための表示光を各々の所定方向に偏光した状態で発し、前記表示光による光路(OPa,OPb)を構成している複数の表示器(10,20,210,220,310,320,410,420,510,520,610,620,710,720)と、
前記複数の表示器に対して共通に設けられ、光学的に開口し、各前記表示器からの各前記表示光を前記投影部材へ向けて通過させる光学的開口部(7)と、
各前記光路のうち少なくとも1つの光路上に配置され、前記光路に対応する前記表示器からの前記表示光を反射する反射鏡(30,40,240,340,440,530,540,630,640,730,740)と、を備え、
各前記表示光の偏光方向(PDa,PDb)は、前記光学的開口部への入射直前において、互いに合わせられており、
前記反射鏡は、複数設けられ、
各前記反射鏡は、対応する前記光路の前記表示光が、前記反射鏡における入射面に対して所定の角度で傾斜した偏光方向にて、前記反射鏡に入射するように配置された傾斜偏光配置反射鏡を1つ以上含み、
各前記光路は、前記傾斜偏光配置反射鏡での反射回数が偶数回となる偶数回反射光路と、前記傾斜偏光配置反射鏡での反射回数が奇数回となる奇数回反射光路との両方を含み、
前記偶数回反射光路における最初の前記傾斜偏光配置反射鏡への入射直前における前記表示光の偏光方向と、前記奇数回反射光路における最初の前記傾斜偏光配置反射鏡への入射直前における前記表示光の偏光方向とは、それぞれに対応する前記最初の傾斜偏光配置反射鏡における入射面と直交する直交軸(OA)を対象線として、互いに線対称の関係となっているヘッドアップディスプレイ装置。 A head-up display device that is mounted on a moving body (1) and displays a plurality of virtual images (VIa, VIb) that can be visually recognized by an occupant of the moving body using reflection on a projection member (3),
A plurality of indicators (10, 20, 210, 220, 310) that emit display light for displaying the virtual image in a state polarized in respective predetermined directions and constitute an optical path (OPa, OPb) by the display light. , 320, 410, 420, 510, 520, 610, 620, 710, 720),
An optical opening (7) provided in common for the plurality of indicators, optically opening, and allowing the display light from each of the indicators to pass toward the projection member;
Reflecting mirrors (30, 40, 240, 340, 440, 530, 540, 630, 640) disposed on at least one of the optical paths and reflecting the display light from the display corresponding to the optical path. , 730, 740), and
The polarization directions (PDa, PDb) of the display lights are aligned with each other immediately before entering the optical aperture ,
A plurality of the reflecting mirrors are provided,
Each of the reflecting mirrors is arranged so that the display light of the corresponding optical path is incident on the reflecting mirror in a polarization direction inclined at a predetermined angle with respect to the incident surface of the reflecting mirror. Including one or more reflectors,
Each of the optical paths includes both an even-numbered reflection optical path in which the number of reflections at the inclined polarization arrangement reflecting mirror is an even number and an odd-number reflection optical path in which the number of reflections at the inclined polarization arrangement reflection mirror is an odd number. ,
The polarization direction of the display light immediately before entering the first inclined polarization arrangement reflector in the even-numbered reflection optical path, and the display light immediately before incidence on the first inclined polarization arrangement reflector in the odd-number reflection optical path. The polarization direction is a head-up display device having a line-symmetric relationship with respect to an orthogonal axis (OA) orthogonal to the incident plane in the first tilted polarization arrangement reflecting mirror corresponding to each direction .
前記虚像を表示するための表示光を各々の所定方向に偏光した状態で発し、前記表示光による光路(OPa,OPb)を構成している複数の表示器(10,20,210,220,310,320,410,420,510,520,610,620,710,720)と、
前記複数の表示器に対して共通に設けられ、光学的に開口し、各前記表示器からの各前記表示光を前記投影部材へ向けて通過させる光学的開口部(7)と、を備え、
各前記表示光の偏光方向(PDa,PDb)は、前記光学的開口部への入射直前において、互いに合わせられており、
各前記表示器に対応する各前記光路のうち、少なくとも1つの特定の前記光路上に配置され、前記光学的開口部への入射直前にて各前記表示光の偏光方向が合うように、前記特定の光路に対応する前記表示器からの前記表示光の偏光方向を回転する位相差板(350)を、さらに備えるヘッドアップディスプレイ装置。 A head-up display device that is mounted on a moving body (1) and displays a plurality of virtual images (VIa, VIb) that can be visually recognized by an occupant of the moving body using reflection on a projection member (3),
A plurality of indicators (10, 20, 210, 220, 310) that emit display light for displaying the virtual image in a state polarized in respective predetermined directions and constitute an optical path (OPa, OPb) by the display light. , 320, 410, 420, 510, 520, 610, 620, 710, 720),
An optical opening (7) provided in common for the plurality of displays, optically opening, and allowing the display light from each of the displays to pass toward the projection member,
The polarization directions (PDa, PDb) of the display lights are aligned with each other immediately before entering the optical aperture ,
The specific light is arranged on at least one specific optical path among the optical paths corresponding to the display units, and the polarization direction of the display light is matched immediately before entering the optical aperture. head-up display device retardation plate (350), Ru further comprising rotating the polarization direction of the display light from the indicator corresponding to the optical path of the.
前記虚像を表示するための表示光を各々の所定方向に偏光した状態で発し、前記表示光による光路(OPa,OPb)を構成している複数の表示器(10,20,210,220,310,320,410,420,510,520,610,620,710,720)と、
前記複数の表示器に対して共通に設けられ、光学的に開口し、各前記表示器からの各前記表示光を前記投影部材へ向けて通過させる光学的開口部(7)と、を備え、
各前記表示光の偏光方向(PDa,PDb)は、前記光学的開口部への入射直前において、互いに合わせられており、
各前記表示器に対応する各前記光路のうち、少なくとも1つの特定の前記光路上に配置され、前記光学的開口部への入射直前にて各前記表示光の偏光方向が合うように、対応する前記表示器からの前記表示光の偏光方向を変更する偏光子(452)を、さらに備えるヘッドアップディスプレイ装置。 A head-up display device that is mounted on a moving body (1) and displays a plurality of virtual images (VIa, VIb) that can be visually recognized by an occupant of the moving body using reflection on a projection member (3),
A plurality of indicators (10, 20, 210, 220, 310) that emit display light for displaying the virtual image in a state polarized in respective predetermined directions and constitute an optical path (OPa, OPb) by the display light. , 320, 410, 420, 510, 520, 610, 620, 710, 720),
An optical opening (7) provided in common for the plurality of displays, optically opening, and allowing the display light from each of the displays to pass toward the projection member,
The polarization directions (PDa, PDb) of the display lights are aligned with each other immediately before entering the optical aperture ,
Corresponding to be arranged on at least one specific optical path among the respective optical paths corresponding to the respective display devices, so that the polarization directions of the respective display lights are matched immediately before entering the optical aperture. the polarizer for changing the polarization direction of the display light (452), further head-up display apparatus Ru comprising from the display.
各前記表示光の偏光方向は、前記共用反射鏡への入射直前において、互いに合わせられている請求項9又は10に記載のヘッドアップディスプレイ装置。 As the reflecting mirror in each of the optical paths, only a common reflecting mirror shared between the optical paths corresponding to the indicators is provided,
The polarization direction of each of the display light, just before entering into the common reflector, a head-up display device according to claim 9 or 10 are matched with each other.
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PCT/JP2017/046327 WO2018150736A1 (en) | 2017-02-17 | 2017-12-25 | Head-up display device |
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2017
- 2017-02-17 JP JP2017028145A patent/JP6683149B2/en active Active
- 2017-12-25 WO PCT/JP2017/046327 patent/WO2018150736A1/en active Application Filing
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