WO2014115542A1 - 車両用表示装置 - Google Patents
車両用表示装置 Download PDFInfo
- Publication number
- WO2014115542A1 WO2014115542A1 PCT/JP2014/000299 JP2014000299W WO2014115542A1 WO 2014115542 A1 WO2014115542 A1 WO 2014115542A1 JP 2014000299 W JP2014000299 W JP 2014000299W WO 2014115542 A1 WO2014115542 A1 WO 2014115542A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical system
- display
- vehicle
- light source
- source unit
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 134
- 239000011521 glass Substances 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 15
- 230000010355 oscillation Effects 0.000 description 14
- 239000000463 material Substances 0.000 description 9
- 230000004048 modification Effects 0.000 description 9
- 238000012986 modification Methods 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 238000001465 metallisation Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Images
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
- G02B27/0101—Head-up displays characterised by optical features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
- B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
- B60K35/23—Head-up displays [HUD]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/60—Instruments characterised by their location or relative disposition in or on vehicles
-
- 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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/02—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes by tracing or scanning a light beam on a screen
- G09G3/025—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes by tracing or scanning a light beam on a screen with scanning or deflecting the beams in two directions or dimensions
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/20—Optical features of instruments
- B60K2360/31—Virtual images
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/20—Optical features of instruments
- B60K2360/33—Illumination features
- B60K2360/333—Lasers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/20—Optical features of instruments
- B60K2360/33—Illumination features
- B60K2360/334—Projection means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/20—Optical features of instruments
- B60K2360/33—Illumination features
- B60K2360/343—Illumination of matrix displays
- B60K2360/344—Illumination of matrix displays for additionally illuminating mechanical elements, e.g. pointers or control knobs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/20—Optical features of instruments
- B60K2360/33—Illumination features
- B60K2360/347—Optical elements for superposition of display information
-
- 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
- G02B2027/0141—Head-up displays characterised by optical features characterised by the informative content of the display
-
- 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
- G02B2027/0147—Head-up displays characterised by optical features comprising a device modifying the resolution of the displayed image
-
- 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
- G02B2027/0165—Head-up displays characterised by mechanical features associated with a head-down display
-
- 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
- G02B2027/0192—Supplementary details
- G02B2027/0198—System for aligning or maintaining alignment of an image in a predetermined direction
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/04—Display device controller operating with a plurality of display units
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2380/00—Specific applications
- G09G2380/10—Automotive applications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
- G09G3/002—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to project the image of a two-dimensional display, such as an array of light emitting or modulating elements or a CRT
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
- G09G3/3413—Details of control of colour illumination sources
Definitions
- the present disclosure relates to a vehicle display device that is installed in a vehicle and provides a display image.
- a vehicle display device that switches between a virtual image display that displays a virtual image of a display image so as to be visible from the interior of the vehicle and a real image display that displays a real image of the display image so as to be visible from the interior of the vehicle.
- the virtual image display and the real image display are switched by the rotation of the display body itself that emits the display image.
- the virtual image display and the real image display are performed by the same display body. Therefore, when the size of the display body is adjusted to a size suitable for an optical system for displaying a virtual image, the real image display becomes small, so that it is difficult for a vehicle occupant to visually recognize the image. On the other hand, when the size of the display body is adjusted to a size suitable for an optical system for displaying a real image, the vehicle display device is increased in size, so that it is not easy to secure a mounting space.
- An object of the present disclosure is to provide a display device for a vehicle that achieves both the visibility of a display image and the ease of securing a mounting space.
- a vehicle display device that is installed in a vehicle and provides a display image is provided to include a light source unit, a first optical system, a second optical system, and a switching unit. Is done.
- the light source unit emits laser light.
- the first optical system projects a display image from the light source unit onto the first projection surface, thereby displaying a virtual image of the display image so as to be visible from inside the vehicle.
- the second optical system projects a display image from the light source unit onto the second projection surface, thereby displaying a real image of the display image so as to be visible from inside the vehicle.
- the switching unit switches between display by the first optical system and display by the second optical system.
- the distance between the light source unit and the first projection plane is provided to be smaller than the distance between the light source unit and the second projection plane.
- the display by the first optical system and the display by the second optical system are switched, a virtual image or a real image of the display image can be displayed at a position that can be easily viewed by the vehicle occupant.
- the distance between the light source unit and the first projection plane smaller than the distance between the light source unit and the second projection plane, it is possible to achieve downsizing that facilitates securing the mounting space. .
- the vehicle display device 1 As shown in FIG. 1, the vehicle display device 1 according to the first embodiment of the present disclosure is installed in a vehicle 2 (also referred to as a host vehicle 2) and is accommodated in an instrument panel 3.
- the first optical system 30 of the vehicle display device 1 displays the virtual image 9a of the display image so as to be visible from the interior of the vehicle 2 through the windshield 7 of the vehicle 2. Specifically, the light reflected by the windshield 7 reaches the eye point 8 of the occupant of the vehicle 2 (hereinafter referred to as “vehicle occupant”).
- vehicle occupant perceives the light reaching the eye point 8 and can visually recognize the virtual image 9 a of the display image formed in front of the windshield 7.
- the windshield 7 of the vehicle 2 is formed in a plate shape made of a translucent glass substrate or the like, and is held integrally with the vehicle 2.
- the surface on the indoor side of the windshield 7 forms a surface on which a display image is projected, such as a curved concave surface or a flat flat surface.
- the windshield 7 may have an angle difference for suppressing the optical path difference between the indoor side surface and the outdoor side surface, or a vapor deposition film or film for suppressing the optical path difference. Etc. may be provided on the indoor side surface.
- a combiner separate from the vehicle 2 may be installed in the vehicle 2 so that a display image is projected onto the combiner.
- the second optical system 40 of the display device 1 for a vehicle displays a real image 9b of the display image from the interior of the vehicle 2 through a screen member 44 that forms a second projection surface 42 positioned on the steering post 4 of the vehicle 2. Display so as to be visible. Specifically, the light transmitted through the screen member 44 reaches the eye point 8 of the vehicle occupant. The vehicle occupant can visually recognize the real image 9 b of the display image formed on the screen member 44 by perceiving the light reaching the eye point 8.
- the vehicle display device 1 includes a controller 10, a light source unit 20, a first optical system 30, a second optical system 40, and a switching mechanism 50.
- the controller 10 of the present embodiment is a control circuit that includes an arithmetic processing unit and a memory. As shown in FIG. 3, the controller 10 is electrically connected to the vehicle speed sensor 5 and the changeover switch 6 of the vehicle 2. The controller 10 performs a switching process 60, which will be described in detail later, in accordance with an input signal from the vehicle speed sensor 5 or the selector switch 6.
- the vehicle speed sensor 5 is a vehicle speed detection device that detects the speed of the vehicle 2. For example, the vehicle speed sensor 5 generates a pulse signal in proportion to the number of rotations of an axle in an automobile, and vehicle movement in proportion to the number of the pulse signals has occurred.
- the information is sent to the controller 10.
- the changeover switch 6 is a switch that is manually operated by a vehicle occupant. The vehicle occupant operates the changeover switch 6 to select either the mode for automatically switching the display according to the vehicle speed or the mode for manually switching the display according to the manual operation. When the latter is selected, the vehicle occupant switches the display by the first optical system 30 and the display by the second optical system 40 by further manually operating the changeover switch 6. Each time these manual operations are performed, the changeover switch 6 sends the information to the controller 10 by a signal.
- the light source unit 20 of the present embodiment includes a laser scanner 22.
- the laser scanner 22 includes an oscillation unit 24, a light guide unit 26, and a micro electro mechanical system (MEMS) 28.
- MEMS micro electro mechanical system
- the oscillation unit 24 includes three laser oscillation units 240a, 240b, and 240c. Each laser oscillator 240a, 240b, 240c is electrically connected to the controller 10. Each of the laser oscillation units 240a, 240b, and 240c oscillates single wavelength laser beams having different hues in the form of light fluxes in accordance with a control signal from the controller 10. Specifically, the laser oscillation unit 240a oscillates red laser light having a peak wavelength in the range of 600 to 650 nm, preferably 635 nm, for example. The laser oscillation unit 240b oscillates blue laser light having a peak wavelength in the range of 430 to 470 nm, preferably 450 nm, for example.
- the laser oscillation unit 240c oscillates green laser light having a peak wavelength in the range of 490 to 530 nm, preferably 510 nm, for example.
- Various colors can be reproduced by adding and mixing the three colors of laser beams emitted from the laser oscillation units 240a, 240b, and 240c.
- the light guide unit 26 includes three collimating lenses 260, three dichroic filters 262a, 262b, 262c, a condenser lens 264, and the like.
- Each of the collimating lenses 260 is arranged with a spacing of, for example, 0.5 mm in the traveling direction of the laser light with respect to the corresponding laser oscillation units 240a, 240b, and 240c.
- Each collimator lens 260 shapes the light beam of the laser beam by refracting the laser beam from the corresponding laser oscillation unit 240a, 240b, 240c.
- Each dichroic filter 262a, 262b, 262c is arranged with a spacing of, for example, 4 mm in the traveling direction of each laser beam with respect to the corresponding collimating lens 260, respectively.
- Each dichroic filter 262a, 262b, 262c reflects a laser beam having a specific wavelength among the laser beams transmitted through the corresponding collimator lens 260 and transmits a laser beam having a wavelength other than that.
- the dichroic filter 262a disposed in the traveling direction of the laser oscillation unit 240a reflects red laser light and transmits laser light of other light.
- the dichroic filter 262b disposed in the traveling direction of the laser oscillation unit 240b reflects the blue laser light and transmits the other laser light.
- the dichroic filter 262c disposed on the traveling direction side of the laser oscillation unit 240c reflects green laser light and transmits laser light of other light.
- the dichroic filter 262b is disposed at an interval of, for example, 6 mm in the traveling direction of the green laser light reflected by the dichroic filter 262c.
- the dichroic filter 262a is disposed with an interval of, for example, 6 mm in the traveling direction of the blue laser light reflected by the dichroic filter 262b.
- the condensing lenses 264 are disposed with an interval of, for example, 4 mm.
- the condenser lens 264 is a plano-convex lens having a planar entrance surface and a convex exit surface.
- the condensing lens 264 condenses the incident light beam of the laser beam by a refracting action due to the surface shape.
- the laser light that has passed through the condenser lens 264 is emitted toward the MEMS 28.
- the MEMS 28 includes a horizontal scanner 280, a vertical scanner 282, a drive unit (not shown), and the like.
- a thin film-like reflecting surface is formed on the surface of the central scanner 280 facing the condenser lens 264 with an interval of 5 mm, for example, by metal deposition of aluminum or the like.
- the horizontal scanner 280 is rotatable about a vertical rotation axis in the vehicle 2.
- a thin-film reflective surface is formed on the surface of the central portion facing the horizontal scanner 280 with an interval of 1 mm, for example, by metal deposition of aluminum or the like.
- the vertical scanner 282 is rotatable around a horizontal rotation axis in the vehicle 2.
- the drive unit of the MEMS 28 individually rotates and drives the horizontal scanner 280 and the vertical scanner 282 in accordance with a drive signal from the electrically connected controller 10.
- the laser light emitted from the condenser lens 264 toward the MEMS 28 is sequentially reflected by the reflecting surface of the horizontal scanner 280 and the reflecting surface of the vertical scanner 282, and the screen member 34 of the first optical system 30 or the second optical system 40. It is projected on the screen member 44.
- the laser scanner 22 intermittently oscillates laser light from each of the laser oscillation units 240a, 240b, and 240c in accordance with a control signal from the electrically connected controller 10.
- the drive unit of the MEMS 28 rotates the horizontal scanner 280 and the vertical scanner 282 in accordance with a control signal from the controller 10, and changes the projection direction of the laser light on the projection surfaces 32 and 42 along the plurality of scanning lines SL. It is changed sequentially in the direction of the arrow in FIG.
- the display image is drawn by moving the regions projected in the form of light beams on the projection surfaces 32 and 42 scanned by the laser light.
- the display image drawn on the projection planes 32 and 42 in this way is drawn on the projection planes 32 and 42 at 60 frames per second, for example, as an image having 480 pixels in the horizontal direction x and 240 pixels in the vertical direction y.
- the first optical system 30 of the present embodiment includes a screen member 34 that forms a first projection surface 32, a concave mirror 36, and the like.
- the screen member 34 is a reflective screen formed by evaporating aluminum on the surface of a resin base material or a glass base material.
- the screen member 34 is disposed above the laser scanner 22 in the vehicle 2 (see FIGS. 1 and 2).
- the first projection surface 32 projected by the laser beam on the screen member 34 is formed into a curved convex surface, a curved concave surface, or a flat flat surface, and a thin film surface is formed by metal deposition of aluminum or the like.
- a display image is drawn on the first projection surface 32 by projecting laser light from the laser scanner 22.
- the screen member 34 reflects the laser light projected on the first projection surface 32 at a predetermined angle.
- a plurality of optical element portions 340 may be formed on the screen member 34 as micromirrors arranged in a lattice shape.
- Each optical element portion 340 is formed as an integral part of the screen member 34, but may be formed separately and held by the main body of the screen member 34.
- Each of these optical element units 340 reflects the laser light projected on the first projection surface 32 at a predetermined angle by the diffraction action.
- the concave mirror 36 is also referred to as a magnifying mirror 36, and is formed by evaporating aluminum on the surface of a resin base material or a glass base material.
- the concave mirror 36 forms a reflecting surface so as to reflect the laser light reflected by each optical element unit 340 toward the windshield 7.
- the reflective surface of the present embodiment is formed on a smooth curved surface as a concave surface whose central portion is recessed in a direction away from the screen member 34 and the windshield 7. With this shape, the reflecting surface can enlarge and reflect the laser light from the first projection surface 32.
- a drive unit (not shown) of the concave mirror 36 swings and drives the concave mirror 36 in accordance with a drive signal from the electrically connected controller 10. As the concave mirror 36 swings in this way, the imaging position of the virtual image 9a moves up and down.
- the second optical system 40 of the present embodiment is composed of a screen member 44 and the like that form the second projection surface 42 as shown in FIG.
- the screen member 44 is a translucent or milky white transmissive screen formed of a resin base material or a glass base material.
- the screen member 44 is configured to diffuse incident light, for example, by kneading a light diffusing agent or the like into the base material.
- the screen member 44 may have a structure such as bubbles inside the screen member 44 instead of kneading a light diffusing agent or the like into the base material.
- the screen member 44 does not have a structure such as bubbles inside, and may diffuse incident light by providing the structure on the surface or providing a film or the like on the surface.
- the screen member 44 is held by a screen holding portion 46 formed by the instrument panel 3 so as to surround the periphery thereof.
- the first optical system 30 when the laser light reflected by the concave mirror 36 is projected onto the indoor surface of the windshield 7, it is further reflected by the windshield 7 and reaches the eye point 8 of the vehicle occupant. To do.
- the second optical system 40 when a laser beam is projected onto the screen member 44, the screen member 44 diffuses the projected laser beam while transmitting it. Thus, the light reaches the eye point 8 of the vehicle occupant.
- the energy efficiency of the laser light in the first optical system 30 is set higher than the energy efficiency of the laser light in the second optical system 40.
- the energy efficiency in the first optical system 30 is the ratio of the energy of the laser light emitted from the first optical system 30 and reaching the eye point 8 to the energy of the laser light incident on the first optical system 30.
- the energy efficiency in the second optical system 40 is the ratio of the energy of the laser light emitted from the second optical system 40 and reaching the eye point 8 to the energy of the laser light incident on the second optical system 40. is there.
- the energy efficiency of laser light in the first optical system 30 is 30%, while the energy efficiency of laser light in the second optical system 40 is 15%.
- the setting of the energy efficiency can be determined by the material and structure of the screen members 34 and 44 and the concave mirror 36, for example.
- the screen member 34 and the screen member 44 are arranged in different directions with respect to the laser scanner 22 constituting the light source unit 20. Specifically, the center point of the first projection surface 32 on the screen member 34 and the center point of the second projection surface 42 on the screen member 44 are at a predetermined angle with respect to the exit window 220 of the laser scanner 22, for example, It arrange
- the distance L1 between the laser scanner 22 and the first projection plane 32 is arranged to be smaller than the distance L2 between the laser scanner 22 and the second projection plane 42, for example, a distance difference L2-L1. Is arranged to be 30 mm.
- first projection surface 32 is disposed within a focus-free range with respect to the laser light incident on the screen member 34 from the laser scanner 22.
- second projection surface 42 is also disposed within a focus-free range with respect to the laser light incident on the screen member 44 from the laser scanner 22.
- a laser beam is diffused by a diffraction action as the distance from the light source on the optical path increases.
- the laser light beam emitted from the laser scanner 22 is condensed by each collimator lens 260 and the condensing lens 264 of the laser scanner 22 so as to cancel the diffusion phenomenon, and the light beam diameter is extremely small.
- the value beam waist appears.
- a focus-free range appears before and after the beam waist position on the optical path. Therefore, the focus-free range in the present embodiment refers to a range on the optical path where the light beam diameter becomes a predetermined value or less when the light beam emitted from the light source is projected onto the projection surfaces 32 and 42.
- Such a focus-free range can be adjusted by changing the surface shape of each collimator lens 260 and condenser lens 264 of the laser scanner 22 or the like.
- a wide focus-free range can be set by using a laser beam, which is a coherent Gaussian beam. Therefore, for example, the predetermined value of the light beam diameter is set to 400 ⁇ m as the diameter in consideration of the application or the viewing environment, and the focus-free range is set from 90 mm to 120 mm with the exit window 220 of the laser scanner 22 as a base point.
- the distance L1 between the exit window 220 of the laser scanner 22 and the first projection plane 32 is set to 90 mm which is within the focus-free range, and the exit window 220 and the second projection plane of the laser scanner 22 are set.
- the distance L2 between the two is set to 120 mm, which is within the focus-free range.
- the screen member 34 is disposed in a focus-free range and the pitches P1 and P2 of the optical element portion 340 are taken into consideration. More preferably, the light beam diameter on the screen member 34 is arranged to be larger than the pitches P1 and P2 of the optical element portion 340.
- the size of the second projection plane 42 located farther is larger than the size of the first projection plane 32. It is set to be.
- the size of the projection surfaces 32 and 42 is the area of the projection surfaces 32 and 42 scanned with laser light as shown in FIG.
- the optical element portion 340 is formed on the screen member 34 in a lattice shape, the surface area of the screen member 34 increases due to the unevenness of the optical element portion 340, but the projection surfaces 32 and 42 have no unevenness. Defined as a thing.
- the size of the first projection surface 32 is 56 mm ⁇ 90 mm (4.2 inches), and the size of the second projection surface 42 is 100 mm ⁇ 270 mm (11.3 inches).
- a large second projection plane 42 can be obtained while suppressing an increase in mounting space due to an increase in the deflection angle of the horizontal scanner 280 and the vertical scanner 282.
- the switching mechanism 50 of the present embodiment drives the entire laser scanner 22 to rotate in a predetermined direction by a predetermined angle in accordance with a drive signal from the electrically connected controller 10.
- the entire laser scanner 22 is rotatable about a rotation axis in the left-right direction of the vehicle 2 and is driven to rotate 60 degrees in the vertical direction.
- the direction of the laser beam projected from the laser scanner 22 changes to the direction of the screen member 34 of the first optical system 30 or the direction of the screen member 44 of the second optical system 40 in accordance with the overall rotation of the laser scanner 22.
- the display by the first optical system 30 and the display by the second optical system 40 are switched.
- the controller 10 outputs a drive signal to the drive unit of the MEMS 28, and sets the deflection angle or scan speed of the horizontal scanner 280 and the vertical scanner 282 in accordance with the size of the screen member 34 or 44 of the optical system 30 or 40 after switching. Set. In this way, the projection surface 32 or 42 that matches the size of the screen member 34 or 44 after switching is formed, and an image is displayed.
- the controller 10 switches the display by sending a drive signal to the switching mechanism 50. Specifically, the display switching is realized by a switching process 60 by the controller 10.
- step S10 it is determined whether or not the mode for automatically switching the display according to the vehicle speed is selected in the changeover switch 6 of the vehicle 2. If an affirmative determination is made in step S10, the process proceeds to automatic switching processing 62 after step S20. On the other hand, if a negative determination is made in step S10, the process proceeds to manual switching process 64 in step S30.
- step S20 it is determined from the input signal from the vehicle speed sensor 5 of the vehicle 2 whether the vehicle speed is greater than a predetermined value.
- the predetermined value of the vehicle speed is set to 0 km / h, for example, and it is determined based on the predetermined value whether the vehicle 2 is running or stopped. Further, the predetermined value of the vehicle speed may be, for example, 10 km / h. In this case, the display is not frequently switched when the low-speed traveling and the stop are repeated in a traffic jam.
- step S20 If an affirmative determination is made in step S20, it is then determined in step S21 that the display is made by the first optical system 30. On the other hand, if a negative determination is made in step S20, it is next determined in step S22 that the display is made by the second optical system 40.
- step S23 the optical system 30 or 40 that performs the newly determined display and the optical system 30 or 40 that is currently performing the display. It is determined whether or not 40 is different.
- step S23 If a positive determination is made in step S23, the process proceeds to step S40. On the other hand, if a negative determination is made in step S23, the switching process 60 is terminated.
- step S ⁇ b> 30 it is determined whether or not a signal for switching between the display by the first optical system 30 and the display by the second optical system 40 is input to the changeover switch of the vehicle 2. If an affirmation judging is carried out in Step S30, it will move to Step S40. On the other hand, if a negative determination is made in step S30, the switching process 60 is terminated as it is.
- step S40 which moves from the above steps S23 and S30, the controller 10 sends a drive signal to the switching mechanism 50.
- the switching mechanism 50 switches between the display by the first optical system 30 and the display by the second optical system 40.
- step S50 following step S40 the display content is changed according to the optical system 30 or 40 that performs the display at the same time as the display is switched.
- the display after the switching is a display by the first optical system 30, as shown in FIG. 7, information necessary during traveling is displayed as the display content by the virtual image 9a.
- speed information, road information display, sign display, safety information display such as a front vehicle approach warning or lane departure warning, or visual field auxiliary information display is performed.
- the display after the switching is the display by the second optical system 40, as shown in FIG. 8
- information necessary during the stop is mainly displayed as the display content by the real image 9b.
- speed display, video display such as television or video, electronic mail display, and the like are performed.
- the switching process 60 is finished in step S50.
- the vehicle display device that is installed in the vehicle 2 and provides a display image includes the light source unit 20, the first optical system 30, the second optical system 40, and the switching unit.
- the light source unit 20 emits laser light.
- the first optical system 30 projects the display image from the light source unit 20 onto the first projection surface 34 (in other words, draws it), thereby displaying the virtual image 9 a of the display image so as to be visible from the inside of the vehicle 2.
- the second optical system 40 projects the display image from the light source unit 20 onto the second projection surface 42 (in other words, draws it), thereby displaying the real image 9b of the display image so as to be visible from the inside of the vehicle 2.
- the switching unit switches between display by the first optical system and display by the second optical system.
- the distance L1 between the light source unit 20 and the first projection surface 32 is provided to be smaller than the distance L2 between the light source unit and the second projection surface 42.
- the switching unit that switches between the display by the first optical system 30 and the display by the second optical system 40 is realized by the controller 10 and the switching mechanism 50. Reference can also be made to switching devices and switching means.
- the virtual image 9a or the real image 9b of the display image can be displayed at a position that can be easily viewed by the vehicle occupant.
- the distance L1 between the light source unit 20 and the first projection surface 32 is made smaller than the distance L2 between the light source unit 20 and the second projection surface 42, so that the mounting space can be easily secured. Can be achieved.
- the first projection surface 32 and the second projection surface 42 are focus-free with respect to the laser light incident on the corresponding optical systems 30 and 40 from the light source unit 20 during display by the corresponding optical systems 30 and 40, respectively. Since it arrange
- the display by the second optical system 40 can provide a large display image that is easily visible.
- the display image projected on the first projection surface 32 in the first optical system 30 that displays the virtual image 9 a is magnified by the magnifier 36. According to this, even when the size of the first projection surface 32 is reduced in order to secure the mounting space, the display by the first optical system 30 can provide a display image that can be easily viewed by enlargement. .
- the display realized by the optical systems 30 and 40 is provided such that the energy efficiency of the laser light in the first optical system 30 is set higher than the energy efficiency of the laser light in the second optical system 40.
- the virtual image 9a displayed by the first optical system 30 has an imaging position in the space, so that the periphery of the virtual image 9a is displayed more than the periphery of the real image 9b displayed by the second optical system 40. Since it becomes brighter, if the energy efficiency is the same, the real image 9b display can be viewed relatively brighter than the virtual image 9a display. However, as in the first embodiment, by making the energy efficiency of the laser light incident on the first optical system 30 higher than the energy efficiency of the laser light incident on the second optical system 40, the virtual image 9a is displayed. The brightness and the brightness of the real image 9b display can be brought close to each other. According to this, it is possible to provide a display image that facilitates visual recognition without causing the vehicle occupant to feel uncomfortable when switching the display.
- the display since the display is switched based on the vehicle speed of the vehicle 2, necessary information can be displayed at a position where the visual recognition is easy according to the vehicle speed.
- the display by the first optical system 30 and the display by the second optical system 40 are switched by the entire rotational drive of the laser scanner 22 that is the starting point of the optical systems 30 and 40. According to this, the display apparatus 1 for vehicles provided with the switching mechanism 50 can be designed easily.
- the second embodiment of the present disclosure is a modification of the first embodiment.
- the switching mechanism 2050 of this embodiment is provided as shown in FIG.
- switching between the display by the first optical system 30 and the display by the second optical system 40 is realized by the controller 10 and the switching mechanism 2050.
- -It can also be referred to as switching means.
- the switching mechanism 2050 rotates the screen member 2034 in accordance with a drive signal from the controller 10 that is electrically connected.
- the screen member 2034 can rotate around a rotation axis in the left-right direction of the vehicle 2 located above the member 2034.
- the screen member 2034 is arranged on the optical path of the laser light projected from the laser scanner 2022 constituting the light source unit 20 by rotation, and is projected onto the first projection surface 2032.
- the laser beam is reflected at a predetermined angle to be guided to the concave mirror.
- the screen member 2034 is accommodated outside the optical path of the laser light projected from the laser scanner 2022 by rotation, and enables projection of the laser light onto the screen member 34.
- the switching mechanism 2050 switches between the display by the first optical system 30 and the display by the second optical system 40.
- the laser scanner 2022 is fixed so as not to move.
- the screen member 2034 that forms the first projection surface 2032 and the screen member 44 that forms the second projection surface 42 will be described in detail.
- the screen member 2034 and the screen member 44 are arranged in the same direction with respect to the laser scanner 2022 constituting the light source unit 20 during display by the first optical system 30.
- the center point of the first projection surface 2032 on the screen member 2034 and the center point of the second projection surface 42 on the screen member 44 are determined by the laser scanner 22. It arrange
- the distance L1 between the laser scanner 22 and the first projection surface 2032 is made smaller than the distance L2 between the laser scanner 22 and the second projection surface 42.
- the distance difference L2 ⁇ L1 is 30 mm.
- the switching process 60 by the controller 10 is the same as in the first embodiment. Accordingly, the effects described in the first embodiment can also be exhibited by the second embodiment from the configuration described above.
- the display by the first optical system 30 and the display by the second optical system 40 are switched by rotationally driving the screen member 2034 forming the first projection surface 2032. According to this, since a part of the space required for the optical path of the first optical system 30 and the second optical system 40 is shared, it is possible to achieve downsizing that makes it easier to secure the mounting space.
- the size of the second projection surface 42 may be the same as or smaller than the size of the first projection surfaces 32 and 2032.
- the first optical system 30 may not include the magnifying mirror 36 that magnifies the display image projected from the light source unit 20 onto the first projection surfaces 32 and 2032.
- the energy efficiency of the laser light in the first optical system 30 may be the same as or smaller than the energy efficiency of the laser light in the second optical system 40.
- the switching process 60 switches between the display by the first optical system 30 and the display by the second optical system 40 in accordance with a trigger other than the vehicle speed of the vehicle 2, such as an input from a vehicle occupant. It may be.
- one biaxial scanner having a reflection surface that reflects the laser light from the light guide unit is used as the MEMS 28 of the laser scanner 22 constituting the light source unit 20. It is also possible to employ a device that is provided and rotationally drives the biaxial scanner around the vertical rotation axis and the vertical rotation axis.
- the present disclosure may be applied to various moving bodies (transport equipment) such as ships or airplanes other than the vehicle 2.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Instrument Panels (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Mechanical Optical Scanning Systems (AREA)
Abstract
Description
図1に示すように、本開示の第1実施形態による車両用表示装置1は、車両2(ホスト車両2とも言及される)に設置され、インストルメントパネル3内に収容されている。車両用表示装置1の第1光学系30は、車両2のウインドシールド7を媒介して、表示像の虚像9aを車両2の室内から視認可能に表示する。具体的には、ウインドシールド7により反射される光が、車両2の乗員(以下、「車両乗員」という)のアイポイント8に到達する。車両乗員は、アイポイント8へ到達する光を知覚することで、ウインドシールド7の前方に結像された表示像の虚像9aを、視認可能となる。
このような虚像9a又は実像9bの表示機能を実現する車両用表示装置1の具体的構成を、以下に詳細に説明する。車両用表示装置1は、図2に示すように、コントローラ10、光源部20、第1光学系30、第2光学系40、及び切替機構50を備えている。
以上説明した第1実施形態の作用効果を以下に説明する。
図9に示すように、本開示の第2実施形態は第1実施形態の変形例である。
第2実施形態の具体的構成について、第1実施形態とは異なる点を中心に説明する。
以上、本開示の複数の実施形態について説明したが、本開示は、それらの実施形態に限定して解釈されるものではなく、本開示の要旨を逸脱しない範囲内において種々の実施形態及び組み合わせに適用することができる。
Claims (8)
- 車両(2)に設置されて表示像を提供する車両用表示装置であって、
レーザ光を発する光源部(20)と、
前記光源部から第1投影面(32、2032)に表示像を投影することにより、前記表示像の虚像(9a)を前記車両の室内から視認可能に表示する第1光学系(30)と、
前記光源部から第2投影面(42)に表示像を投影することにより、前記表示像の実像(9b)を前記車両の室内から視認可能に表示する第2光学系(40)と、
前記第1光学系による表示と前記第2光学系による表示とを切替える切替部(10、50、2050)とを、備え、
前記光源部と前記第1投影面との間の距離(L1)は、前記光源部と前記第2投影面と間の距離(L2)よりも小さい、
車両用表示装置。 - 前記第1光学系による表示時において前記第1投影面は、前記光源部から前記第1光学系へ入射されるレーザ光に関して、フォーカスフリーの範囲内に配置され、
前記第2光学系による表示時において前記第2投影面は、前記光源部から前記第2光学系へ入射されるレーザ光に関して、フォーカスフリーの範囲内に配置される、
請求項1に記載の車両用表示装置。 - 前記第2投影面のサイズは、前記第1投影面のサイズよりも大きい、
請求項1又は2に記載の車両用表示装置。 - 前記第1光学系は、前記光源部から前記第1投影面に投影された前記表示像を拡大する拡大鏡(36)を、有する、
請求項1から3のいずれか1項に記載の車両用表示装置。 - 前記第1光学系におけるレーザ光のエネルギー効率は、前記第2光学系におけるレーザ光のエネルギー効率よりも、高い、
請求項1から4のいずれか1項に記載の車両用表示装置。 - 前記切替部は、前記車両の車速に基づいて、前記第1光学系による表示と前記第2光学系による表示とを切替える、請求項1から5のいずれか1項に記載の車両用表示装置。
- 前記切替部は、前記光源部を回転駆動する、
請求項1から6のいずれか1項に記載の車両用表示装置。 - 前記切替部は、前記第1投影面を形成する部材を回転駆動する、
請求項1から6のいずれか1項に記載の車両用表示装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112014000528.2T DE112014000528B4 (de) | 2013-01-23 | 2014-01-22 | Fahrzeuganzeigevorrichtung |
US14/435,815 US9678340B2 (en) | 2013-01-23 | 2014-01-22 | Vehicular display apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013-010517 | 2013-01-23 | ||
JP2013010517A JP5772841B2 (ja) | 2013-01-23 | 2013-01-23 | 車両用表示装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014115542A1 true WO2014115542A1 (ja) | 2014-07-31 |
Family
ID=51227334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/000299 WO2014115542A1 (ja) | 2013-01-23 | 2014-01-22 | 車両用表示装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9678340B2 (ja) |
JP (1) | JP5772841B2 (ja) |
DE (1) | DE112014000528B4 (ja) |
WO (1) | WO2014115542A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105045027A (zh) * | 2015-08-12 | 2015-11-11 | 中国人民解放军95995部队 | 一种正投式虚像显示方法以及显示系统 |
CN107850786A (zh) * | 2015-09-10 | 2018-03-27 | 富士胶片株式会社 | 投影型显示装置及投影控制方法 |
CN107921870A (zh) * | 2015-09-10 | 2018-04-17 | 富士胶片株式会社 | 投影型显示装置及投影控制方法 |
JP2018106084A (ja) * | 2016-12-27 | 2018-07-05 | パナソニックIpマネジメント株式会社 | 表示装置、及び表示装置を備える移動体 |
WO2020105427A1 (ja) * | 2018-11-21 | 2020-05-28 | 株式会社デンソー | 車両用表示装置 |
JP2021026131A (ja) * | 2019-08-06 | 2021-02-22 | 三菱自動車工業株式会社 | 車両の報知システム |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3035107B1 (en) * | 2013-12-27 | 2018-06-20 | Panasonic Intellectual Property Management Co., Ltd. | Display apparatus and display unit |
WO2015152753A1 (ru) * | 2014-03-31 | 2015-10-08 | Общество с ограниченной ответственностью "ВэйРэй" | Способ отображения информации через лобовое стекло автомобиля и устройство для его реализации |
US10001646B2 (en) * | 2014-05-14 | 2018-06-19 | Denso Corporation | Head-up display |
WO2016115052A1 (en) * | 2015-01-12 | 2016-07-21 | Harman International Industries, Incorporated | In-vehicle projection display system with dynamic display area |
JP6521246B2 (ja) * | 2015-07-24 | 2019-05-29 | アルパイン株式会社 | 車載表示システム及び車両における表示方法 |
DE102015215106A1 (de) * | 2015-08-07 | 2017-02-09 | Robert Bosch Gmbh | Bildgebereinheit für ein Head-up-Display, Head-up-Display und Verfahren zum Erzeugen stereoskopsicher Halbbilder mittels einer Bildgebereinheit |
JP6516642B2 (ja) | 2015-09-17 | 2019-05-22 | アルパイン株式会社 | 電子装置、画像表示方法および画像表示プログラム |
JP6562843B2 (ja) * | 2016-01-08 | 2019-08-21 | アルパイン株式会社 | 画像投射装置、画像投射方法および画像投射プログラム |
US9919600B2 (en) * | 2016-02-27 | 2018-03-20 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vehicle information display systems |
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 |
WO2018066307A1 (ja) * | 2016-10-06 | 2018-04-12 | 富士フイルム株式会社 | 投写型表示装置、その表示制御方法及びプログラム |
JP6817088B2 (ja) * | 2017-01-26 | 2021-01-20 | 矢崎総業株式会社 | 表示装置、及び、表示装置本体 |
DE102017202228A1 (de) | 2017-02-13 | 2018-03-15 | Volkswagen Aktiengesellschaft | Head-UP-Display-Vorrichtung für ein Kraftfahrzeug, Verfahren, Vorrichtung und Computerlesbares Speichermedium mit Instruktionen zur Steuerung einer Anzeige einer Head-Up-Display-Vorrichtung |
JP6760188B2 (ja) * | 2017-04-05 | 2020-09-23 | 株式会社デンソー | ヘッドアップディスプレイ装置 |
KR102266640B1 (ko) | 2017-11-30 | 2021-06-18 | 현대모비스 주식회사 | 클러스터 일체형 헤드업 디스플레이 장치 |
US10338397B1 (en) | 2018-04-18 | 2019-07-02 | Hyundai Mobis Co., Ltd. | Vehicle head-up display device and control method thereof |
DE102018206021A1 (de) * | 2018-04-19 | 2019-10-24 | Hyundai Mobis Co., Ltd. | Head-up-Displayvorrichtung für Fahrzeuge und Verfahren zum Steuern derselben |
DE102019207898A1 (de) * | 2019-05-29 | 2020-12-03 | Robert Bosch Gmbh | Anzeigevorrichtung für ein Blickfeldanzeigegerät für ein Fahrzeug, Blickfeldanzeigegerät, Informationsanzeigegerät oder Fahrzeug mit einer Anzeigevorrichtung und Verfahren zum Betreiben einer Anzeigevorrichtung |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10963A (ja) * | 1996-04-16 | 1998-01-06 | Harness Sogo Gijutsu Kenkyusho:Kk | 車両の表示装置 |
JP2001255488A (ja) * | 2000-03-14 | 2001-09-21 | Sanyo Electric Co Ltd | 投写型車載映像表示装置 |
JP2010164941A (ja) * | 2008-10-30 | 2010-07-29 | Honda Motor Co Ltd | 車両用表示装置 |
WO2012035623A1 (ja) * | 2010-09-15 | 2012-03-22 | パイオニア株式会社 | 表示装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0518948U (ja) | 1991-08-26 | 1993-03-09 | 日本精機株式会社 | 車両用表示装置 |
JPH0986225A (ja) * | 1995-09-28 | 1997-03-31 | Fujitsu Ten Ltd | ヘッドアップディスプレイユニット |
EP0818701B1 (en) | 1996-07-09 | 2002-10-02 | Harness System Technologies Research, Ltd. | Display device |
JPH10293264A (ja) * | 1997-04-18 | 1998-11-04 | Matsushita Electric Ind Co Ltd | ヘッドアップディスプレイ装置 |
WO2003100517A2 (en) * | 2002-05-22 | 2003-12-04 | Chelix Technologies Corp. | Real image configuration for a high efficiency heads-up display (hud) using a polarizing mirror and a polarization preserving screen |
US7526103B2 (en) * | 2004-04-15 | 2009-04-28 | Donnelly Corporation | Imaging system for vehicle |
DE102005052424A1 (de) * | 2005-11-03 | 2007-05-10 | Robert Bosch Gmbh | Projektionsanzeige |
TWI425524B (zh) * | 2007-05-30 | 2014-02-01 | Opus Microsystems Corp | 抬頭顯示系統 |
JP2010274803A (ja) | 2009-05-29 | 2010-12-09 | Kanto Auto Works Ltd | 車両用表示装置 |
US9268134B2 (en) | 2010-08-27 | 2016-02-23 | Empire Technology Development Llc | Head up display |
JP5815302B2 (ja) | 2011-06-28 | 2015-11-17 | グンゼ株式会社 | 物品袋詰め装置、剥離装置、及び袋閉装置 |
-
2013
- 2013-01-23 JP JP2013010517A patent/JP5772841B2/ja not_active Expired - Fee Related
-
2014
- 2014-01-22 US US14/435,815 patent/US9678340B2/en active Active
- 2014-01-22 WO PCT/JP2014/000299 patent/WO2014115542A1/ja active Application Filing
- 2014-01-22 DE DE112014000528.2T patent/DE112014000528B4/de not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10963A (ja) * | 1996-04-16 | 1998-01-06 | Harness Sogo Gijutsu Kenkyusho:Kk | 車両の表示装置 |
JP2001255488A (ja) * | 2000-03-14 | 2001-09-21 | Sanyo Electric Co Ltd | 投写型車載映像表示装置 |
JP2010164941A (ja) * | 2008-10-30 | 2010-07-29 | Honda Motor Co Ltd | 車両用表示装置 |
WO2012035623A1 (ja) * | 2010-09-15 | 2012-03-22 | パイオニア株式会社 | 表示装置 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105045027A (zh) * | 2015-08-12 | 2015-11-11 | 中国人民解放军95995部队 | 一种正投式虚像显示方法以及显示系统 |
CN107850786A (zh) * | 2015-09-10 | 2018-03-27 | 富士胶片株式会社 | 投影型显示装置及投影控制方法 |
CN107921870A (zh) * | 2015-09-10 | 2018-04-17 | 富士胶片株式会社 | 投影型显示装置及投影控制方法 |
JP2018106084A (ja) * | 2016-12-27 | 2018-07-05 | パナソニックIpマネジメント株式会社 | 表示装置、及び表示装置を備える移動体 |
WO2018123528A1 (ja) * | 2016-12-27 | 2018-07-05 | パナソニックIpマネジメント株式会社 | 表示装置、及び表示装置を搭載した移動体 |
WO2020105427A1 (ja) * | 2018-11-21 | 2020-05-28 | 株式会社デンソー | 車両用表示装置 |
JP2020086070A (ja) * | 2018-11-21 | 2020-06-04 | 株式会社デンソー | 車両用表示装置 |
JP7081458B2 (ja) | 2018-11-21 | 2022-06-07 | 株式会社デンソー | 車両用表示装置 |
JP2021026131A (ja) * | 2019-08-06 | 2021-02-22 | 三菱自動車工業株式会社 | 車両の報知システム |
JP7334529B2 (ja) | 2019-08-06 | 2023-08-29 | 三菱自動車工業株式会社 | 車両の報知システム |
Also Published As
Publication number | Publication date |
---|---|
JP5772841B2 (ja) | 2015-09-02 |
US9678340B2 (en) | 2017-06-13 |
DE112014000528B4 (de) | 2019-08-22 |
US20150268466A1 (en) | 2015-09-24 |
JP2014142474A (ja) | 2014-08-07 |
DE112014000528T5 (de) | 2015-10-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5772841B2 (ja) | 車両用表示装置 | |
JP5310810B2 (ja) | ヘッドアップディスプレイ装置 | |
JP6207850B2 (ja) | 虚像表示装置 | |
US20140204465A1 (en) | Head-up display device | |
JP2010256867A (ja) | ヘッドアップディスプレイ及び画像表示方法 | |
WO2015159523A1 (ja) | ヘッドアップディスプレイ、およびヘッドアップディスプレイを搭載した移動体 | |
WO2016147486A1 (ja) | 投写型表示装置及び投写表示方法 | |
US20170115553A1 (en) | Scanning projector transmissive screen, and scanning projector system | |
WO2015159522A1 (ja) | ヘッドアップディスプレイ、およびヘッドアップディスプレイを搭載した移動体 | |
JP6589890B2 (ja) | ヘッドアップディスプレイ装置 | |
WO2016208379A1 (ja) | スクリーン装置及びヘッドアップディスプレイ装置 | |
CN111213114B (zh) | 信息显示装置及其空间感测装置 | |
WO2018061444A1 (ja) | 反射板、情報表示装置および移動体 | |
US11561396B2 (en) | Head-up display device and transportation device | |
WO2018225309A1 (ja) | 虚像表示装置、中間像形成部および画像表示光生成ユニット | |
JP6323747B2 (ja) | 光照射装置及び画像表示装置 | |
WO2019087714A1 (ja) | ヘッドアップディスプレイ装置 | |
WO2017159443A1 (ja) | スクリーン部材及び画像表示装置 | |
JP2017194548A (ja) | 表示装置 | |
JP6683149B2 (ja) | ヘッドアップディスプレイ装置 | |
JP6642103B2 (ja) | ヘッドアップディスプレイ装置 | |
JP2001255488A (ja) | 投写型車載映像表示装置 | |
JP7367525B2 (ja) | 表示装置、表示システムおよび移動体 | |
JP2018155801A (ja) | 画像表示装置 | |
JP2017227681A (ja) | ヘッドアップディスプレイ装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14743412 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14435815 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 112014000528 Country of ref document: DE Ref document number: 1120140005282 Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 14743412 Country of ref document: EP Kind code of ref document: A1 |