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WO2014013641A1 - Dispositif d'affichage monté sur véhicule et dispositif de projection vidéo monté sur véhicule - Google Patents

Dispositif d'affichage monté sur véhicule et dispositif de projection vidéo monté sur véhicule Download PDF

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Publication number
WO2014013641A1
WO2014013641A1 PCT/JP2013/002128 JP2013002128W WO2014013641A1 WO 2014013641 A1 WO2014013641 A1 WO 2014013641A1 JP 2013002128 W JP2013002128 W JP 2013002128W WO 2014013641 A1 WO2014013641 A1 WO 2014013641A1
Authority
WO
WIPO (PCT)
Prior art keywords
projection
unit
vehicle
video
reflective optical
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.)
Ceased
Application number
PCT/JP2013/002128
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English (en)
Japanese (ja)
Inventor
高梨　伸彰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of WO2014013641A1 publication Critical patent/WO2014013641A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
    • 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
    • B60K35/22—Display screens
    • 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
    • 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]
    • H04N9/3191—Testing thereof
    • H04N9/3194—Testing thereof including sensor feedback
    • 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
    • B60K2360/77—Instrument locations other than the dashboard
    • B60K2360/777—Instrument locations other than the dashboard on or in sun visors
    • 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
    • B60K2360/77—Instrument locations other than the dashboard
    • B60K2360/785—Instrument locations other than the dashboard on or in relation to the windshield or windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/10—Change speed gearings
    • B60W2510/1015—Input shaft speed, e.g. turbine speed

Definitions

  • the present invention relates to an in-vehicle display device and an in-vehicle image projection device mounted on a vehicle.
  • a head-up display (hereinafter referred to as HUD) that displays navigation information such as signs and traveling directions and vehicle information such as speed on a front window is used.
  • HUD head-up display
  • Patent Document 1 discloses a configuration in which only highly important information is projected near the front of the front window, and other information is projected to a lower position of the front window. This increases the amount of information that can be displayed.
  • Patent Document 2 discloses a HUD that displays information above the field of view by attaching a reflecting plate to the ceiling and projecting display information onto the reflecting plate. As a result, the amount of information that can be displayed is also increased.
  • the present invention includes a semi-transmissive first reflective optical part formed along a region within 20% from the upper end of the front window of the vehicle; A second reflective optical part formed on the interior surface of the vehicle; An image projection unit that projects an image on a plurality of projection sites including the first reflective optical unit and the second reflective optical unit;
  • an in-vehicle display device characterized by comprising:
  • the present invention also provides a semi-transmissive first reflective optical part formed along a region within 20% from the upper end of the front window of the vehicle, and a second reflective optical formed on the interior surface of the vehicle.
  • An in-vehicle image projection device characterized in that an image is projected onto a plurality of projection parts including a unit.
  • the present invention it is possible to display information for assisting driving in a sufficiently large display area and present it to the driver while minimizing the influence on driving operation.
  • FIG. 1 is a view for explaining an in-vehicle display device according to an embodiment.
  • FIG. 1 is a view of the front window 90 as viewed from the passenger compartment.
  • FIG. 2 is a block diagram of the in-vehicle display device according to the embodiment.
  • the in-vehicle display device includes a semi-transmissive first diffuse reflective optical unit (first reflective optical unit 31, second diffuse reflective optical unit 32 (second reflective optical unit), and video projection.
  • the first diffuse reflective optical part 31 is formed along a region within 20% from the upper end of the front window 90 of the vehicle, that is, the vertical direction of the front window 90.
  • the first diffuse reflective optical unit 31 is provided along the front window 90 in a region within L / 5 from the upper end of the front window 90.
  • the reflective optical unit 32 is formed on the surface of the vehicle interior 30.
  • the video projection unit 140 displays video on a plurality of projection sites including the first diffuse reflective optical unit 31 and the second diffuse reflective optical unit 32. Project.
  • the driver can move the line of sight downward without moving the first diffuse reflection optical unit 31 to the first diffuse reflection optical unit 31.
  • the displayed information can be confirmed.
  • the 1st diffuse reflection optical part 31 is formed in the area
  • the 1st diffuse reflection optical part 31 is adjacent immediately above a driver
  • the passenger can easily check the information displayed on the first diffuse reflection optical unit 31. it can.
  • the vehicle-mounted display apparatus has the 2nd diffuse reflection optical part 32 formed in the surface of the interior 30 in addition to the 1st diffuse reflection optical part 31, the area
  • the 2nd diffuse reflection optical part 32 is formed in the surface of the interior 30, the display of the information in the 2nd diffuse reflection optical part 32 does not affect a driver
  • the second diffuse reflective optical unit 32 is preferably arranged in a region adjacent to the first diffuse reflective optical unit 31. Thereby, the driver does not need to move his / her line of sight downward when confirming the information displayed on the second diffuse reflective optical unit 32. Furthermore, in this case, as shown in FIG. 1, a group of images 41 can be projected onto a region extending from the first diffuse reflective optical unit 31 to the second diffuse reflective optical unit 32. That is, a portion of the group of images 41 can be projected onto the first diffuse reflective optical unit 31 and the second diffuse reflective optical unit 32, respectively. Therefore, a group of information can be displayed in a sufficiently large display area.
  • the second diffuse reflective optical unit 32 is disposed on the ceiling of the vehicle cabin. That is, it is preferable that the second diffuse reflective optical unit 32 is disposed in a region adjacent to the upper end of the front window 90. Thereby, compared with the case where the 2nd diffuse reflection optical part 32 is arrange
  • the first diffuse reflective optical unit 31 is semi-transmissive to visible light and diffusely reflects visible light.
  • the first diffuse reflective optical unit 31 is, for example, a beam splitter that divides reflected light and transmitted light at a predetermined ratio. For example, a portion within 20% from the upper end of the front window 90 may be configured by a beam splitter, or a sheet-like beam splitter may be attached to a portion within 20% from the upper end of the front window 90 via an adhesive layer. Also good.
  • the first diffuse reflective optical unit 31 may be configured by mixing a large number of reflective particles in a portion within 20% from the upper end of the front window 90.
  • the first diffuse reflection optical unit 31 diffuses and reflects the image 41 projected from the image projection unit 140, thereby making the image 41 visible to the driver and passengers.
  • the first diffuse reflection optical unit 31 transmits light from the front of the front window 90 into the vehicle interior. In other words, the driver and the passenger can visually recognize the video 41 through the first diffuse reflective optical unit 31 while visually confirming the front of the vehicle.
  • the second diffuse reflective optical unit 32 diffusely reflects visible light.
  • the second diffuse reflection optical unit 32 is made of a material equivalent to a projection screen of a general projector.
  • the second diffuse reflective optical unit 32 is formed in a sheet shape, for example, and is attached to the surface of the interior 30 via an adhesive layer. Alternatively, at least a part of the surface (surface layer) of the interior 30 is configured by the second diffuse reflective optical unit 32.
  • the second diffuse reflection optical unit 32 diffuses and reflects the image 41 projected from the image projection unit 140 so that the image 41 can be visually recognized by the driver and passengers.
  • the second diffuse reflective optical unit 32 is formed on the surface facing the driver side when not in use (when stored) in a sun visor on the driver's seat side, for example.
  • the first diffuse reflective optical unit 31 and the second diffuse reflective optical unit 32 are at least one of reflectance and hue (reflectance only, hue only, or both reflectance and hue). It is preferable that they have the same characteristics. Accordingly, when the image 41 is projected from the first diffuse reflective optical unit 31 to the second diffuse reflective optical unit 32, the portion projected on the first diffuse reflective optical unit 31 in the image 41, and the first The brightness, color, and the like can be made equal to each other in the portion projected onto the two-diffuse reflective optical unit 32. Therefore, the image 41 can be a good projected image.
  • the in-vehicle display device has a video projection device 10.
  • the image projection device 10 is disposed at a position where the image 41 can be projected onto the first diffuse reflection optical unit 31 and the second diffuse reflection optical unit 32 in the vehicle interior. For example, as shown in FIG. 1, it is possible to arrange the video projector 10 on the dashboard 33.
  • the video projector 10 projects a projected video (video) 60 onto a plurality of projection parts including the first diffuse reflective optical unit 31 and the second diffuse reflective optical unit 32. have.
  • the projected image 60 is, for example, the image 41 shown in FIG.
  • the contents of the video 41 include navigation information such as route guidance to the destination, entertainment video and telematics information to be presented to the passenger.
  • the in-vehicle display device may have a plurality of video projection devices 10.
  • each video projection device 10 can project a video on a different projection site.
  • the driver it is possible to present information for assisting driving to the driver in a sufficiently large display area while minimizing the influence on driving operation.
  • information for assisting driving and other information can be provided to the passenger.
  • the interior of the window or the room can be used as it is.
  • a display device having a display screen such as a liquid crystal display screen
  • FIG. 3 is a block diagram of the video projection device 10 of the in-vehicle display device according to the first embodiment.
  • the vehicle-mounted display device according to the first embodiment differs from the vehicle-mounted display device described above with reference to FIGS. 1 and 2 in the points described below.
  • the video projection device 10 includes a display video generation unit that generates a video to be displayed (hereinafter, display video) in addition to the video projection unit 140 (FIG. 2) described above. 110, an image conversion unit 120, and an adjustment value storage unit 130.
  • the video projection device 10 divides the display video into videos corresponding to each of the plurality of projection parts, and projects the divided videos onto the plurality of projection parts, respectively. That is, as shown in FIG. 3, the video projection unit 140 projects a first projection video 61, a second projection video 62, and the like, each of which is a portion of the display video.
  • the image projection unit 140 projects the first projection image 61 on the first diffuse reflection optical unit 31 and projects the second projection image 62 on the second diffuse reflection optical unit 32.
  • a group of videos including the first projection video 61 and the second projection video 62 is the video 41 in FIG.
  • the adjustment value storage unit 130 includes at least one of the projection luminance, projection hue, and projection saturation for each of the plurality of projection parts. Any one adjustment value is stored. In other words, any one, any two, or all adjustment values of the projection luminance, the projection hue, and the projection saturation are stored.
  • the video conversion unit 120 adjusts the video projected by the video projection unit 140. More specifically, the image conversion unit 120 divides the display image into images corresponding to each of the plurality of projection portions, and for each divided image, the projection luminance, the projection hue, and the projection color are based on the adjustment values. Adjust at least one of the degrees. That is, the video conversion unit 120 adjusts at least one of the projected luminance, projected hue, and projected saturation of the projected image for each of a plurality of projection parts based on the adjustment value stored in the adjustment value storage unit 130. To do. That is, any one, any two, or all of the projection luminance, the projection hue, and the projection saturation are adjusted.
  • the video projection unit 140 projects the video after the adjustment by the video conversion unit 120 (the first projection video 61, the second projection video 62, etc.) onto the projection site corresponding to each video.
  • an adjustment value corresponding to the difference in the reflective characteristics is set. It is stored in advance in the adjustment value storage unit 130. Then, at the time of projecting the image, the display image is adjusted and projected for each projection part according to the stored adjustment value. Thereby, even when there is a difference in reflection characteristics between the first diffuse reflective optical unit 31 and the second diffuse reflective optical unit 32, the first diffuse reflective optical unit 31 and the second diffuse reflective optical unit 32 The brightness and color of the images projected on both sides can be made equal to each other.
  • the adjustment value storage unit 130 stores, for example, shape data indicating the shape of each of a plurality of projection parts. That is, the adjustment value storage unit 130 also functions as a shape data storage unit. Then, the video conversion unit 120 selects a corresponding adjustment value for each of the plurality of projection parts based on the shape data stored in the adjustment value storage unit 130. Then, using the adjustment value, at least one of the projected luminance, projected hue, and projected saturation of the video is adjusted for each of the plurality of projected portions. Thereby, at least any one of the projection luminance, the projection hue, and the projection saturation can be adjusted for each image of the region that matches the shape of each projection region.
  • the in-vehicle display device since the in-vehicle display device includes the adjustment value storage unit 130 and the video conversion unit 120, at least one of the projected luminance, projected hue, and projected saturation of the projected image for each of the plurality of projected portions. Either one can be adjusted. Therefore, the brightness and color of the images projected on each of the plurality of projection parts can be made equal to each other.
  • the in-vehicle display device further includes a shape data storage unit, at least one of the projection luminance, the projection hue, and the projection saturation is provided for each image of the region that matches the shape of each projection region. Can be adjusted.
  • FIG. 4 is a block diagram of the video projection device 10 of the in-vehicle display device according to the second embodiment.
  • the vehicle-mounted display device according to the second embodiment differs from the vehicle-mounted display device according to the first embodiment described above with reference to FIG. 3 in the points described below.
  • the video projection device 10 further includes a color imaging unit 150, a determination unit 160, and an adjustment value calculation unit 170 in addition to the configuration of FIG. Yes.
  • the color imaging unit 150 captures color images of a plurality of projection parts. That is, the color imaging unit 150 captures a color image of a projected image (a first projected image 61, a second projected image 62, etc.) of a plurality of projection parts.
  • the determination unit 160 determines at least one of luminance, hue, and saturation for each of a plurality of projection parts of the projection image by the video projection unit 140 based on the imaging result by the color imaging unit 150. That is, the determination unit 160 determines at least one of luminance, hue, and saturation based on the imaging result of the color imaging unit 150 for each of the first projection image 61, the second projection image 62, and the like. To do. That is, any one, any two, or all of luminance, hue, and saturation are determined.
  • the determination unit 160 uses the shape data stored in the adjustment value storage unit 130, thereby at least one of luminance, hue, and saturation for each image that matches the shape of each projection region. Determine.
  • the adjustment value calculation unit 170 has a projection brightness, a projection hue, and a projection color of the video so that the determination results by the determination unit 160 are equal to each other for at least the projection images of the projection parts adjacent to each other among the plurality of projection parts. At least one adjustment value of the degree is calculated for each of a plurality of projection parts. That is, at least any one, any two, or all adjustment values of the projection luminance, the projection hue, and the projection saturation are calculated.
  • the video conversion unit 120 adjusts at least one of the projection luminance, projection hue, and projection saturation of the video for each of the plurality of projection parts based on the adjustment value calculated by the adjustment value calculation unit 170.
  • the reflection characteristics are measured for each of a plurality of projection parts in cooperation with the color imaging unit 150 and the determination unit 160, and the adjustment value calculation unit 170 and the image conversion unit 120 are jointly operated according to the measurement result.
  • the operation is such that the display image is projected after being adjusted for each projection region.
  • the in-vehicle display device since the in-vehicle display device includes the color imaging unit 150, the determination unit 160, and the adjustment value calculation unit 170, the adjustment value is stored in the adjustment value storage unit 130 in advance. Even if not, the adjustment value can be obtained to adjust the image.
  • the adjustment value calculated by the adjustment value calculation unit 170 may be stored in the adjustment value storage unit 130 via the video conversion unit 120. In this way, after the adjustment value is temporarily stored in the adjustment value storage unit 130, it is possible to perform the imaging without performing the imaging by the color imaging unit 150, the determination by the determination unit 160, and the calculation by the adjustment value calculation unit 170.
  • the video conversion unit 120 can reuse the adjustment value.
  • FIG. 5 is a diagram for explaining the in-vehicle display device according to the third embodiment.
  • FIG. 5 is a view of the front window 90 as viewed from the passenger compartment.
  • FIG. 6 is a block diagram of the video projection devices 10 and 20 of the in-vehicle display device according to the third embodiment.
  • the vehicle-mounted display device according to the present embodiment is configured in the same manner as the vehicle-mounted display device according to any one of the above-described embodiments except for the points described below.
  • the in-vehicle display device has, for example, two video projection devices, the video projection device 10 and the video projection device 20.
  • the video projection device 20 is the same as the video projection device 10.
  • one video projection device 10 is disposed on the dashboard 33 in the right half of the vehicle interior, and the other video projection device 20 is disposed on the ceiling surface in the left half of the vehicle interior.
  • positions the video projectors 10 and 20 may be others.
  • the video projection unit 140 (see FIGS. 3 and 4) of the video projection device 10 and the video projection device 20 is assumed to be a movable projector in which the projection part (projection region) of the video is variable.
  • the image projection unit 140 is configured to be able to change the image projection direction by motor driving or the like.
  • the video projection device 10 and the video projection device 20 include a projection part control unit 180 that controls the projection part of the video by the video projection unit 140 according to the content of the projected video (display video). Have.
  • the video projection unit 140 By making the video projection unit 140 a movable projector, a large video 41, a right caution video 42 and a left caution video 43 having a smaller display area than the video 41, a passenger video 45, etc. While switching, it can be freely displayed at various positions in the passenger compartment.
  • the right attention image 42 is an image for calling attention to the right side
  • the left attention image 43 is an image for calling attention to the left side. These may be simple marks. These images may be displayed based on the detection result of the obstacle by the imaging device or the radar, or may be displayed based on road information stored in advance as in the fourth embodiment described later. .
  • an entertainment video such as a moving image or telematics information may be displayed.
  • operation buttons of various devices such as an air conditioner and an audio device may be displayed as the passenger image 45.
  • a detection sensor that detects that a passenger's finger or the like has moved to the space corresponding to each operation button and a signal output device that outputs a control signal corresponding to the detection result by the detection sensor to various devices are used in combination.
  • a control signal corresponding to the operation is output from the signal output device to various devices.
  • the passenger image 45 is projected by the image projection device 20 on the upper surface of the dashboard 33 on the passenger seat side, for example. By projecting such a passenger image 45, passenger comfort can be enhanced.
  • FIG. 7 is a view for explaining an in-vehicle display device according to the fourth embodiment.
  • FIG. 7 is a view of the front window 90 as viewed from the passenger compartment.
  • FIG. 8 is a block diagram of an in-vehicle display device according to the fourth embodiment.
  • the in-vehicle display device according to the present embodiment is configured in the same manner as the in-vehicle display device according to the third embodiment, except for the points described below.
  • the vehicle-mounted display device detects (determines) the presence or absence of an obstacle in the vicinity of the vehicle based on the obstacle imaging unit 70 that captures the vicinity of the vehicle and the imaging result of the obstacle imaging unit 70.
  • an obstacle detection unit 190 (FIG. 8).
  • the obstacle imaging unit 70 is provided, for example, on the front surface of the indoor mirror 95 so as to capture at least a direction including the front of the vehicle.
  • the vehicle-mounted display device according to the present embodiment may include an obstacle sensor (not shown) such as a radar that detects an obstacle near the vehicle.
  • the display image generation unit 110 When an obstacle is detected by the obstacle detection unit 190 or an obstacle sensor (not shown), the display image generation unit 110 generates a warning image.
  • an in-vehicle display device when an in-vehicle display device detects an obstacle, it projects the right caution image 42 or the left caution image 43 on the side where the obstacle is detected in order to call attention.
  • the right caution image 42 is displayed on the right side of the first diffuse reflective optical unit 31 on the front right pillar or the front window 90. indicate.
  • the first diffuse reflective optical unit at the upper part of the front left pillar or the front window 90 is used.
  • a left caution image 43 is displayed on the left side of the screen 31 or the like.
  • the right caution image 42 and the left caution image 43 are easily displayed even when they are displayed at a place out of the field of view, such as selecting a shape and color that are easily understood at a glance and blinking.
  • FIG. 9 is a diagram for explaining an in-vehicle display device according to a fifth embodiment.
  • FIG. 9 is a view of the front window 90 as viewed from the passenger compartment.
  • FIG. 10 is a block diagram of an in-vehicle display device according to the fifth embodiment.
  • the vehicle-mounted display device according to the present embodiment is configured in the same manner as the vehicle-mounted display device according to any one of the above-described embodiments except for the points described below.
  • the in-vehicle display device includes a front imaging unit 75 that images the front of the vehicle, and a sign recognition unit that extracts an image of a predetermined type of sign from the images captured by the front imaging unit 75. 200 and an image storage unit 210 that stores an image of the extracted sign.
  • the sign recognizing unit 200 stores the characteristics of the image of the kind of sign specified in advance, and extracts an image that matches the characteristic from the images picked up by the front image pickup unit 75.
  • the display video generation unit 110 generates a display video using the sign image stored in the image storage unit 210.
  • the target sign may be anything, for example, a sign indicating the direction or distance to the destination, or a sign indicating the distance to the service area of the expressway.
  • the image projection device 10 projects an image 41 of a sign across the first diffuse reflective optical unit 31 at the top of the front window 90 and the second diffuse reflective optical unit 32 provided on the ceiling adjacent thereto, Continue projecting the time required. Thereby, even after the vehicle passes an actual sign installed on the road, the sign remains and is displayed as a large and easy-to-view video, so that the sign can be easily recognized.
  • FIG. 11 is a diagram for explaining an in-vehicle display device according to a sixth embodiment.
  • FIG. 11 is a view of the front window 90 as viewed from the passenger compartment.
  • FIG. 12 is a block diagram of an in-vehicle display device according to the sixth embodiment.
  • the vehicle-mounted display device according to the present embodiment is configured in the same manner as the vehicle-mounted display device according to any one of the above-described embodiments except for the points described below.
  • the vehicle-mounted display device has a rear imaging unit 220 that images the rear of the vehicle.
  • the display video generation unit 110 generates a display video using the image captured by the rear imaging unit 220.
  • the vehicle-mounted display device projects vehicle rear images 65 and 66 such as images of both sides of the vehicle rear on portions located on both sides of the indoor mirror 95.
  • security at the time of reverse can be improved.
  • the vehicle rear images 65 and 66 project an image across, for example, the first diffuse reflective optical unit 31 at the upper part of the front window 90 and the second diffuse reflective optical unit 32 in the ceiling portion adjacent thereto. This makes it possible to confirm the rear of the vehicle with a large image.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
PCT/JP2013/002128 2012-07-18 2013-03-28 Dispositif d'affichage monté sur véhicule et dispositif de projection vidéo monté sur véhicule Ceased WO2014013641A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-159283 2012-07-18
JP2012159283 2012-07-18

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WO2014013641A1 true WO2014013641A1 (fr) 2014-01-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015178303A1 (fr) * 2014-05-21 2015-11-26 矢崎総業株式会社 Dispositif d'assistance de confirmation de sécurité
CN115914590A (zh) * 2021-09-30 2023-04-04 本田技研工业株式会社 车辆用投影系统

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JPH05294192A (ja) * 1992-04-21 1993-11-09 Suzuki Motor Corp 車載機器操作システム
JP2005182305A (ja) * 2003-12-17 2005-07-07 Denso Corp 車両走行支援装置
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WO2015178303A1 (fr) * 2014-05-21 2015-11-26 矢崎総業株式会社 Dispositif d'assistance de confirmation de sécurité
US10339809B2 (en) 2014-05-21 2019-07-02 Yazaki Corporation Safety confirmation assist device
CN115914590A (zh) * 2021-09-30 2023-04-04 本田技研工业株式会社 车辆用投影系统

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