WO2017006506A1 - Dispositif d'affichage à bord d'un véhicule - Google Patents

Dispositif d'affichage à bord d'un véhicule Download PDF

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Publication number
WO2017006506A1
WO2017006506A1 PCT/JP2016/002542 JP2016002542W WO2017006506A1 WO 2017006506 A1 WO2017006506 A1 WO 2017006506A1 JP 2016002542 W JP2016002542 W JP 2016002542W WO 2017006506 A1 WO2017006506 A1 WO 2017006506A1
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WIPO (PCT)
Prior art keywords
display
image
light
vehicle
transmittance
Prior art date
Application number
PCT/JP2016/002542
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English (en)
Japanese (ja)
Inventor
克己 藤田
覚 田村
盛吾 種
Original Assignee
株式会社デンソー
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
Priority claimed from JP2016029186A external-priority patent/JP6354771B2/ja
Priority claimed from JP2016040333A external-priority patent/JP6361673B2/ja
Priority claimed from JP2016040332A external-priority patent/JP6361672B2/ja
Application filed by 株式会社デンソー filed Critical 株式会社デンソー
Publication of WO2017006506A1 publication Critical patent/WO2017006506A1/fr

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    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28—Structurally-combined illuminating devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D7/00—Indicating measured values

Definitions

  • This disclosure relates to a vehicle display device mounted on a vehicle.
  • a vehicle display device mounted on a vehicle is known.
  • a display device for a vehicle disclosed in Patent Document 1 includes a display unit that displays a state of a vehicle, a projector that projects a display reflecting the image of a starry sky, and a viewer side of the display unit.
  • a half mirror that transmits the display content to the viewer side and directs the display of the starry sky projected from the projector to the viewer side.
  • Patent Document 1 since the projector always projects the same display, a display suitable for the situation of the vehicle cannot be realized. In addition, since the transmittance of the half mirror is not variable, it is difficult to adjust the state display content of the display unit to a display suitable for the situation of the vehicle.
  • the vehicle display device disclosed in Patent Document 2 includes a display unit that displays the state of the vehicle, and a transmission member that is disposed closer to the viewing side than the display unit and transmits the state display content of the display unit. Yes.
  • the vehicle display device disclosed in Patent Document 3 has a transmittance variable reflecting plate, and the image display content is projected on the viewing side through the transmittance varying reflecting plate by projecting the image display content onto the transmittance variable reflecting plate. And a projector for directing.
  • Patent Document 4 discloses a first display for displaying a first image, a half mirror disposed on the viewer side of the first display, and a projection on the half mirror disposed on the viewer side of the half mirror.
  • a display device including a projector that emits light is disclosed.
  • the first image displayed on the first display is viewed through the half mirror.
  • the projection light emitted from the projector is reflected by the half mirror and visually recognized as a second virtual image. According to this, since the first image and the second image can be viewed at different positions in the viewing direction, the image on which the first image and the second image are superimposed can be viewed in a three-dimensional manner.
  • JP-A-9-288457 JP 2014-228356 A Japanese Patent No. 5688657 JP 2005-55293 A
  • This disclosure is intended to provide a display device for a vehicle that realizes a display suitable for the situation of the vehicle. Moreover, this indication aims at providing the display apparatus for vehicles with high visibility. Furthermore, an object of the present disclosure is to provide a display device that can realize a three-dimensional image by superimposing a plurality of images while suppressing a decrease in luminance.
  • a display device for a vehicle mounted on a vehicle is disposed closer to the viewer than a display unit that displays a state of the vehicle, a projector that projects an image, and the display unit. Transmitting the state display content of the display unit to the viewing side, and directing the image display content projected from the projector to the viewing side, thereby combining the state display content and the image display content, Prepare.
  • the transmissive member has a transmittance variable layer whose transmittance varies.
  • the transmission member is arranged on the viewing side with respect to the display unit.
  • the state display content of the display unit is transmitted through the transmission member.
  • the image display content is projected onto the transparent member by the projector, and the image display content is directed to the viewing side. Both display contents can be combined using a common transparent member.
  • the transmittance of the transmittance variable layer of the transmissive member changes, the background of the projector image changes, and the display unit transmits incident light incident on the display unit from the transmissive member and the display unit.
  • a change occurs in the emitted light transmitted through the member.
  • the change in transmittance causes different changes in the status display contents and the image display contents, so it is possible to realize a display suitable for the situation of the vehicle by a combined change in display due to both display contents. It becomes.
  • the vehicular display device includes a display unit that displays a state of the vehicle, a transmission member that is disposed closer to the viewing side than the display unit and transmits the state display content of the display unit, A projector for projecting the image display content onto the transmissive member and directing the image display content to the viewing side through the transmissive member.
  • the transmissive member is arranged on the viewing side with respect to the display unit.
  • the state display content of the display unit is transmitted through the transmission member.
  • the image display content is projected onto the transparent member by the projector, and the image display content is directed to the viewing side. Accordingly, the viewer can clearly see the state display contents and can visually recognize the display contents between the two display contents using the common transmission member with a reduced load of eye movement.
  • a vehicle display device with high visibility can be provided.
  • a display device that superimposes and displays a first image, a second image, and a liquid crystal panel image displayed by a liquid crystal panel emits a first display light to display the first image.
  • a virtual image display is provided that emits light and reflects the second display light on the display surface of the liquid crystal panel to display the second image as a virtual image.
  • the second display light to be displayed as a virtual image is reflected by the display surface of the liquid crystal panel that is optically connected to the display, that is, the liquid crystal panel reflection surface. There is no space between the portion where the image is projected and displayed and the liquid crystal panel reflecting surface.
  • the conventional half mirror disposed on the surface side of the liquid crystal panel with a space therebetween can be eliminated, so that the first image can be avoided from being viewed with low luminance through such a half mirror. Therefore, it is possible to avoid the first image being viewed with low luminance while the second image is superimposed on the first image and displayed as a virtual image.
  • a virtual image display that emits and reflects the second display light on the display surface of the display to display the second image as a virtual image. At least a portion of the display surface that reflects the second display light has a curved shape.
  • the display device since the second display light to be displayed as a virtual image is reflected by the display surface of the display device on which the first image is displayed, that is, the display device reflection surface, the first image is displayed on the display device. There is no space between the part and the display reflecting surface.
  • the conventional half mirror disposed on the surface side of the display device with a space is eliminated, it is possible to avoid the first image being viewed with low luminance through the half mirror. Therefore, it is possible to avoid the first image being viewed with low luminance while the second image is superimposed on the first image and displayed as a virtual image to be viewed as a stereoscopic image.
  • the display device since the portion that reflects the second display light has a curved shape, the second image displayed as a virtual image is visually recognized at a position far from the viewer as compared with a flat shape. Can be made. Therefore, since the difference (namely, parallax) of the viewing position in the viewing direction of the first image and the second image can be increased, it is possible to promote the stereoscopic viewing of the image in which the first image and the second image are superimposed.
  • FIG. 1 is a perspective view showing the vehicle display device of the first embodiment.
  • FIG. 2 is a cross-sectional view showing the vehicle display device of the first embodiment.
  • FIG. 3 is a block diagram schematically illustrating the control unit, the transmittance variable layer, and the like according to the first embodiment.
  • FIG. 4 is a perspective view showing a case where the power source of the vehicle display device of the first embodiment is off
  • FIG. 5 is a flowchart executed by the control unit of the first embodiment.
  • FIG. 6 is a perspective view showing the case of display A in the vehicle display device of the first embodiment.
  • FIG. 7 is a schematic diagram illustrating a change in transmittance in the case of display A of the first embodiment.
  • FIG. 8 is a perspective view showing a case of display B in the vehicle display device of the first embodiment.
  • FIG. 9 is a perspective view showing a case of display C in the vehicle display device of the first embodiment.
  • FIG. 10 is a perspective view showing another display in the vehicle display device of the first embodiment.
  • FIG. 11 is a perspective view showing the vehicle display device of the second embodiment.
  • FIG. 12 is a cross-sectional view showing the vehicle display device of the second embodiment,
  • FIG. 13 is a perspective view showing a case where the power supply of the vehicle display device of the second embodiment is off,
  • FIG. 14 is a perspective view showing the case of display A in the vehicle display device of the second embodiment.
  • FIG. 15 is a graph schematically showing a change in transmittance in the case of display A of the second embodiment.
  • FIG. 16 is a schematic diagram for explaining a change in transmittance in the case of display A of the second embodiment.
  • FIG. 17 is a perspective view showing a case of display B in the vehicle display device of the second embodiment.
  • FIG. 18 is a perspective view showing a case of display C in the vehicle display device of the second embodiment.
  • FIG. 19 is a perspective view showing a case of display D in the vehicle display device of the second embodiment.
  • FIG. 20 is a perspective view showing another display in the vehicle display device of the second embodiment.
  • FIG. 21 is a perspective view showing the vehicle display device of the third embodiment
  • FIG. 22 is a cross-sectional view showing the vehicle display device of the third embodiment, FIG.
  • FIG. 23 is a view showing the vehicle display device of the fourth embodiment, and is a perspective view showing the case of display A;
  • FIG. 24 is a cross-sectional view showing the vehicle display device of the fourth embodiment,
  • FIG. 25 is a perspective view showing a case where the power supply of the vehicle display device of the fourth embodiment is off,
  • FIG. 26 is a schematic diagram for explaining a change in transmittance in the case of display A of the fourth embodiment.
  • FIG. 27 is a perspective view showing another display in the vehicle display device of the fourth embodiment.
  • FIG. 28 is a view showing the vehicle display device of the fifth embodiment, and is a perspective view showing the case of display A;
  • FIG. 29 is a cross-sectional view showing the vehicle display device of the fifth embodiment, FIG.
  • FIG. 30 is a perspective view showing a case where the power supply of the vehicle display device of the fifth embodiment is off
  • FIG. 31 is a schematic diagram illustrating a change in transmittance in the case of display A according to the fifth embodiment.
  • FIG. 32 is a perspective view showing a case of display B in the vehicle display device of the fifth embodiment.
  • FIG. 33 is a perspective view showing a case of display C in the vehicle display device of the fifth embodiment,
  • FIG. 34 is a perspective view showing a case of display D in the vehicle display device of the fifth embodiment.
  • FIG. 35 is a perspective view showing another display case in the vehicle display device of the fifth embodiment.
  • FIG. 36 is a cross-sectional view showing a vehicle display device according to Modification Example 1, FIG.
  • FIG. 37 is an exploded perspective view showing a display board, a drum body, a reflector, and a stepper motor according to Modification 1.
  • FIG. 38 is a perspective view showing the vehicle display device in the sixth embodiment.
  • FIG. 39 is a cross-sectional view showing the vehicle display device in the sixth embodiment.
  • FIG. 40 is a perspective view showing the display device for a vehicle in the seventh embodiment
  • FIG. 41 is a cross-sectional view showing the vehicle display device according to the seventh embodiment.
  • FIG. 42 is an exploded perspective view showing a display board, a drum body, a reflector, and a stepper motor in the seventh embodiment.
  • FIG. 43 is a perspective view showing the vehicle display device in the eighth embodiment.
  • FIG. 44 is a cross-sectional view showing the vehicle display device according to the eighth embodiment.
  • FIG. 45 is a cross-sectional view schematically showing a display device according to the ninth embodiment of the present disclosure.
  • 46 is a cross-sectional view taken along the line II-II of FIG.
  • FIG. 47 is a diagram illustrating an example of a display mode of the display device according to the ninth embodiment.
  • FIG. 48 is a diagram showing display modes in various display modes of the display device according to the ninth embodiment.
  • FIG. 49 is a cross-sectional view schematically showing a display device according to the tenth embodiment of the present disclosure.
  • 50 is a cross-sectional view taken along the line VI-VI in FIG.
  • FIG. 51 is a diagram showing display modes in various display modes of the display device according to the tenth embodiment.
  • the vehicle display device 100 is mounted on an instrument panel 2 of a vehicle as illustrated in FIGS. Specifically, an upper portion of the instrument panel 2 is provided with a recessed portion 3 formed to be recessed from the panel surface at a position facing the windshield 6 of the vehicle, and the vehicle display device 100 includes the recessed portion. Installed in part 3.
  • the vehicle display device 100 is seated on a vehicle seat and allows a viewer who is positioned on the viewer side of the device 100 to view the display contents. That is, the viewer visually recognizes the scenery outside the vehicle including the road and the road sign through the windshield 6 and visually recognizes the display content of the vehicle display device 100 by moving the line of sight from the scenery.
  • a light sensor 7 shown in FIG. 1 is provided in the vicinity of the vehicle display device 100 and inconspicuous so as to be able to detect light around a transmission member 40 described later.
  • the optical sensor 7 for example, an optical sensor using a photodiode having a PN junction can be adopted. When the photodiode receives light, it generates a photocurrent by the photovoltaic effect. The photosensor 7 can detect the photocurrent as a light amount by a circuit connected to a photodiode.
  • the wavelength dependence of the light that generates the photocurrent is based on the semiconductor material used for the photodiode.For example, by using an optical filter corresponding to the spectral luminous efficiency, the light incident on the photodiode is adjusted, The detected light amount can be close to the light amount that the viewer recognizes as ambient brightness.
  • the optical sensor 7 may be a CCD sensor or a photomultiplier tube.
  • the vehicle is provided with an ACC selector switch 8 for switching between the on and off states of the auto cruise control mode.
  • vehicle control is performed such that a constant vehicle speed is maintained without stepping on the accelerator pedal of the vehicle.
  • the vehicle is provided with an eco changeover switch 9 for switching the eco mode on and off.
  • the eco mode for example, vehicle control is performed to suppress the engine speed to a low level.
  • the configuration of such a vehicle display device 100 will be described in detail below.
  • the vehicular display device 100 is mainly configured by a control unit 20, a display unit 10, a light shielding member 30, a transmission member 40, and a projector 50.
  • the 3 is, for example, an electronic circuit mounted on a substrate 13 of the display unit 10 to be described later, and includes a CPU and a memory unit.
  • the CPU can execute various processes by executing computer programs stored in the memory unit.
  • the memory unit also stores image data projected by the projector.
  • Such a control unit 20 can communicate with the vehicle optical sensor 7, the ACC changeover switch 8, the eco changeover switch 9, the engine switch, and other various sensors. Further, the control unit 20 outputs an electrical signal to the display unit 10, the projector 50, and the transmittance variable layer 44 of the transmission member 40 based on input of electrical signals from these sensors, switches, and the like. Is possible.
  • the display unit 10 includes a display plate 11, a substrate 13, a stepper motor 15, a pointer 16, and an illumination light source unit 14 as shown in FIGS.
  • the display board 11 is also generally called a dial, and for example, on the surface of a plate-like base material made of a synthetic resin having a semicircular translucency, a light-shielding printing layer or a semitranslucent translucent. It has a flat plate shape on which a printed layer is formed.
  • the display board 11 of the present embodiment includes a light shielding portion 11a that functions as a background in the display portion 10 at a location where a light shielding printing layer (for example, black as a dark color) is formed.
  • the location where the semi-transparent printing layer is formed, or the location where the substrate is exposed without the formation of the printing layer has a shape such as a scale 12a or a fuel efficiency display 12b, An indicator portion 12 is formed.
  • the scale 12a is arranged along the arcuate outer peripheral portion 11b of the display plate 11.
  • a color for example, gray
  • the fuel efficiency display 12b is formed in a circular arc shape at the center of the display plate 11 where the semi-transparent print layer is formed, or where the print layer is not formed and the plate-like substrate is exposed. Is provided.
  • the substrate 13 is disposed on the back side opposite to the viewing side from the display plate 11, and is formed of, for example, a synthetic resin.
  • a control unit 20, an illumination light source unit 14, and a stepper motor 15 are held on the substrate 13.
  • the stepper motor 15 is arranged on the visual recognition side of the substrate 13, and is driven by the control unit 20 to output rotation to the pointer 16 that is mechanically connected.
  • the pointer 16 is a needle-like member that is arranged closer to the viewing side than the display plate 11.
  • the pointer 16 is rotated around a rotation shaft 16 a provided through the display plate 11.
  • the pointer 16 rotates around the rotation shaft 16a within a range of, for example, less than 180 ° according to the shape of the arcuate outer peripheral portion 11b of the display plate 11 to indicate the scale 12a.
  • the display unit 10 displays the state of the vehicle by analog display using the pointer 16 that indicates the scale 12a.
  • the engine speed is displayed as the state of the vehicle by the scale 12a and the hands 16.
  • the rotating shaft 16a of the pointer 16 is provided at the bottom of the recess 3, the display 16 can be hidden from the viewer by moving the pointer 16 to a position lying on the bottom. (See also FIG. 4).
  • the illumination light source unit 14 is disposed between the display plate 11 and the substrate 13.
  • the illumination light source unit 14 includes a plurality of light emitting elements 14a, 14b, and 14c such as light emitting diode elements.
  • the light emitting element 14a disposed on the back side of the scale 12a in the illumination light source unit 14 illuminates the scale 12a from the back side, so that the scale 12a is displayed by light emission.
  • the light emitting element 14b disposed next to the stepper motor 15 in the illumination light source unit 14 illuminates the pointer 16 so that the pointer 16 is displayed by light emission.
  • the light emitting element 14c arranged on the back side of the fuel efficiency display 12b and surrounded by the light-shielding partition wall 17 in the illumination light source unit 14 illuminates the fuel efficiency display 12b.
  • the efficiency display 12b is displayed by light emission.
  • the light emitting elements 14 a to 14 c of the illumination light source unit 14 are controlled to be turned on and off by the control unit 20.
  • the scale 12a, the pointer 16, and the fuel efficiency display 12b function as a light-emitting display body that displays the state of the vehicle by light emission in a state where the light-emitting elements 14a to 14c are illuminated.
  • the light shielding member 30 is formed in a curved plate shape having a light shielding property, for example, by a synthetic resin.
  • the light shielding member 30 surrounds the display unit 10 along the arcuate outer peripheral part 11b of the display plate 11 from the outside.
  • the light shielding member 30 covers the entire back side of the display unit 10, and has an opening 32 on the viewing side.
  • the transmissive member 40 is disposed on the visual recognition side of the display unit 10, and is formed in a plate shape as a whole.
  • the blocking portion 40 a of the transmissive member 40 is in contact with the viewing-side end portion 34 of the light shielding member 30 so as to completely block the opening 32 that opens to the viewing side. Therefore, the entire display unit 10 is covered with the transmissive member 40 and the light shielding member 30, and the display unit 10 is protected from dust, dust, and an occupant who is interested in touching the display unit 10.
  • the transmissive member 40 is formed by laminating a translucent plate 42 and a transmittance variable layer 44.
  • the translucent plate 42 is disposed on the viewing side of the translucent member 40 and is formed in a plate shape having translucency, for example, by a synthetic resin such as an acrylic resin or a polycarbonate resin.
  • the translucent plate 42 is formed to have a higher hardness than the transmittance variable layer 44, thereby protecting the transmittance variable layer 44.
  • the transmittance variable layer 44 has a film shape having a liquid crystal part 44a and a pair of transparent electrode parts 44b sandwiching the liquid crystal part 44a, as particularly schematically shown in FIG.
  • the liquid crystal part 44a is a layer filled with a liquid crystal in which a dichroic dye is dissolved.
  • the dichroic dye has different light absorption rates depending on the polarization direction of incident light.
  • Each transparent electrode portion 44b is formed in a thin translucent plate shape with respect to the translucent plate.
  • the voltage application unit 44c is controlled by the control unit 20, whereby the voltage between the pair of transparent electrode portions 44b can be changed.
  • the liquid crystal molecules that are aligned in the thickness direction of the transmissive member 40 in the off state are aligned in the extending direction of the transmittance variable layer 44 when the liquid crystal molecules are turned on due to a change in voltage.
  • the dichroic dye is engulfed by the liquid crystal molecules and responds to the voltage change.
  • the transmittance Tf changes substantially in the entire range, for example, in a variable range of about 10 to 90%.
  • the transmittance Tf can be continuously changed by adjusting the voltage of the voltage applying unit 44c.
  • the transmittance variable layer 44 is gradually recognized as dark due to the absorption of light by the dichroic dye.
  • the transmissive member 40 can transmit the state display content of the display unit 10 to the viewing side. Therefore, the viewer can perceive and recognize the state display content as light via the transmissive member 40.
  • the projector 50 is disposed closer to the viewing side than the transmission member 40. Specifically, the projector 50 is disposed in a recessed portion 4 a provided in the recessed portion 3 so as to be further recessed in an inclined surface 4 inclined to face the windshield 6.
  • the projector 50 includes a liquid crystal panel 52 that projects an image.
  • the liquid crystal panel 52 for example, an active matrix type liquid crystal panel formed of a plurality of liquid crystal pixels arranged in a two-dimensional direction using a thin film transistor (TFT) is used.
  • TFT thin film transistor
  • the projector 50 can project an image on the transmissive member 40 by controlling the transmittance of light from the backlight for each liquid crystal pixel.
  • the image display content projected on the projector 50 is directed to the viewing side as a virtual image by reflection of the image by the light transmitting plate 42 of the transmitting member 40. Therefore, the viewer can perceive and recognize the image display content as light through the transmissive member 40.
  • the display unit 10 is in a hidden state because the pointer 16 has moved to the bottom of the recess 3. Further, the light emitting elements 14a to 14c of the illumination light source unit 14 are all turned off.
  • the projector 50 is in a state where no image is projected.
  • the transmittance Tf of the transmittance variable layer 44 is the maximum value Tmax (for example, 90%) in the variable range.
  • control unit 20 performs determination according to the flowchart of FIG. 5 and selection of display according to the determination.
  • Display A shown in FIG. 6 is selected when it is determined that the vehicle is not currently in the auto cruise control mode and is not in the eco mode by the processing of steps S10, S12, and S16 of the control unit 20 (see FIG. 5). Display.
  • the display unit 10 is in a state in which the scale 12a and the pointer 16 are turned on and the fuel efficiency display 12b is turned off under the control of the light emitting elements 14a to 14c. Therefore, when the pointer 16 indicates the scale 12a on the display unit 10, the engine speed is displayed as the state display content.
  • the projector 50 projects an image Is displaying the vehicle speed, an image If displaying the remaining fuel amount, and an image Io displaying the odd value as images. Accordingly, the projector 50 displays the vehicle speed, the fuel remaining amount, and the odd value as image display contents.
  • the transmittance Tf of the transmittance variable layer 44 in the display A is changed according to the amount of light detected by the optical sensor 7.
  • the transmittance Tf gradually decreases as the detected light quantity increases. Therefore, as shown in FIG. 7, when the surroundings become bright and the detected light quantity increases, the transmittance variable layer 44 continuously changes so that the transmittance Tf is lower than before the increase. Further, when the surroundings become dark and the detected light amount decreases, the transmittance variable layer 44 continuously changes so that the transmittance Tf becomes higher than before the decrease.
  • the change in the transmittance Tf of the transmittance variable layer 44 is represented by the density of the dots.
  • the transmittance Tf changes, the amount of incident light that enters the display unit 10 from the transmissive member 40 and the amount of emitted light that passes through the transmissive member 40 from the display unit 10 change.
  • the emitted light that contributes to the visual recognition of the light-emitting display body for example, the scale 12a and the pointer 16 in the case of the display A
  • the transmittance Tf Proportional light quantity.
  • the emitted light that contributes to the visual recognition of the light shielding part 11a of the display plate 11 passes through the transmission member 40 once from the outside of the apparatus 100 and enters the display part 10, and is further reflected on the surface of the light shielding part 11a. Since the light passes through the transmissive member 40 once more, the light amount is proportional to the square of the transmittance Tf.
  • the transmittance Tf decreases, the amount of light that is visually recognized itself decreases, but in particular, the presence of the light shielding portion 11a of the display panel 11 becomes difficult to be visually recognized, and instead the light shielding portion of the light emitting display body.
  • the contrast with respect to 11a is increasing.
  • the transmittance Tf changes, the amount of light transmitted through the transmissive member 40 corresponding to the background of the image display content changes. That is, as the transmittance Tf decreases, the amount of background light decreases, and the contrast of the image display content with respect to the background improves.
  • the display B shown in FIG. 8 is selected when it is determined that the vehicle is currently in the auto cruise control mode and not in the eco mode by the processing of steps S10, S11, and S14 of the control unit 20 (see FIG. 5). Display.
  • the display unit 10 in this case is the same as in the case of the display A.
  • the projector 50 in this case projects an image Is that displays the vehicle speed and an image Id that abstractly displays the inter-vehicle distance as images. Therefore, the projector 50 displays the vehicle speed and the inter-vehicle distance as image display contents.
  • the transmittance Tf of the transmittance variable layer 44 in the display B is changed in the same manner as in the case of the display A.
  • the display C shown in FIG. 9 is displayed when it is determined that the vehicle is currently in the auto cruise control mode and in the eco mode by the processing of steps S10, S11, and S13 of the control unit 20 (see FIG. 5).
  • the display to be selected In this case, in the display unit 10, the scale 12a and the pointer 16 are turned off by the control of the light emitting elements 14a to 14c, while the fuel efficiency display 12b is turned on.
  • the display color of the fuel efficiency display 12b changes based on the fuel efficiency of the vehicle. For example, the higher the fuel efficiency, the greater the proportion of green in the display color, and the lower the fuel efficiency, the greater the proportion of blue in the display color.
  • the projector 50 in this case projects the same image as in the case of the display B.
  • the transmittance Tf of the transmittance variable layer 44 in the display C is changed in the same manner as in the displays A and B.
  • a display D in which the image display content is replaced with the image display content of display A is selected.
  • the display can be switched to the display as shown in FIG. 10 by manual switching of the driver.
  • the display unit 10 is in a state where the scale 12a, the pointer 16, and the fuel efficiency display 12b are all turned off by the control of the light emitting elements 14a to 14c.
  • the projector 50 in this case projects an image Is for displaying the vehicle speed, an image If for displaying the remaining amount of fuel, and an image Io for displaying the odd value as images, as in the case of the display A.
  • the transmittance Tf of the transmittance variable layer 44 in the display of FIG. 10 is fixed to the minimum value Tmin (for example, 10%) in the variable range, the contrast of the image display content with respect to the background is always high.
  • the transmittance Tf may be changed according to the amount of light detected by the optical sensor 7 as in the case of the displays A to D.
  • the transmissive member 40 is arranged on the viewing side with respect to the display unit 10.
  • the state display content of the display unit 10 is transmitted through the transmission member 40.
  • the image display content is projected onto the transparent member 40 by the projector 50, and the image display content is directed to the viewing side. Both display contents can be combined using the common transparent member 40.
  • the transmittance Tf of the transmittance variable layer 44 of the transmissive member 40 changes, the background of the image of the projector 50 changes, and the display unit 10 enters the display unit 10 from the transmissive member 40.
  • a change occurs in the light and the light emitted from the display unit 10 through the transmission member 40.
  • the transmissive member 40 directs the image display content to the viewer side by reflection of the image projected on the projector 50 arranged on the viewer side of the transmissive member 40.
  • image display contents are visually recognized as a virtual image having a depth.
  • the background of a virtual image changes with the change of the transmittance
  • the transmittance Tf continuously changes. Both display contents can be finely adjusted by the continuous change, and a display more suitable for the situation of the vehicle can be realized.
  • the transmittance Tf changes according to the amount of light detected by the optical sensor 7 provided so as to be able to detect the light around the transmissive member 40.
  • the visibility of at least one of the status display content and the image display content can be improved according to the brightness around the device 100. Therefore, it is possible to realize a display suitable for the situation of the vehicle.
  • the transmittance Tf changes so as to be lower than before the increase.
  • the light-shielding light-shielding member 30 surrounds the display unit 10 from the outside.
  • the light shielding member 30 has an opening 32 that opens to the viewing side, and the opening 32 is blocked by a blocking portion 40 a of the transmissive member 40.
  • the influence of incident light and emitted light through the transmittance variable layer 44 is increased. Therefore, since the change in the state display content due to the change in the transmittance Tf of the transmittance variable layer 44 becomes more effective, it is possible to realize a display more suitable for the vehicle situation.
  • the display part 10 is displayed as the background of the scale 12a as a light emission display body which displays the state of a vehicle by light emission, the pointer
  • the display unit 10 has the fuel efficiency display 12b that emits light in a color corresponding to the fuel efficiency as the light emitting display body. Therefore, it is possible to realize display according to the fuel efficiency as the vehicle status.
  • control unit 20 determines whether or not the vehicle is currently set to the auto-cruise control mode and switches the image display content according to the determination. Therefore, it is possible to realize a display suitable for the auto cruise control mode as the vehicle status.
  • the transmittance variable layer 44 includes a liquid crystal part 44a filled with a liquid crystal in which a dichroic dye is dissolved, and a pair of transparent electrode parts 44b sandwiching the liquid crystal part 44a.
  • the second embodiment of the present disclosure is a modification of the first embodiment.
  • the transmissive member 240 of the second embodiment shown in FIGS. 11 and 12 is an opening that opens to the viewing side by contacting the viewing side end 34 of the light shielding member 30 by the closing portion 240a, as in the first embodiment.
  • the part 32 is completely blocked.
  • the transmissive member 240 has an overhanging portion 240 b that projects outward from the light shielding member 30.
  • the transmissive member 240 is formed by laminating a translucent plate 242 and a transmittance variable layer 244 across the blocking portion 240a and the overhang portion 240b.
  • the light-transmitting plate 242 is disposed on the viewing side of the light-transmitting member 240, and is formed in a plate shape having light-transmitting property by using a synthetic resin such as an acrylic resin or a polycarbonate resin.
  • the translucent plate 242 integrally includes a portion corresponding to the blocking portion 240a and a portion corresponding to the overhang portion 240b. A portion of the light transmitting plate 242 corresponding to the projecting portion 240 b projects outward from the light shielding member 30.
  • the transmittance variable layer 244 of the second embodiment is partitioned into a plurality of regions Ac and Ao as shown in FIG. In each of the areas Ac and Ao, the transmittances Tfc and Tfo change independently of each other. Specifically, the transmittance variable layer 244 is partitioned into a closed region Ac provided in the closed portion 240a and an overhang region Ao provided in the overhang portion 240b. A liquid crystal part 44a and a pair of transparent electrode parts 44b similar to those in the first embodiment are formed in each of the blocking area Ac and the overhanging area Ao. Thus, as the transmittance Tf of the transmittance variable layer 244, the transmittance Tfc of the closed region Ac and the Tfo of the overhang region Ao change independently of each other.
  • the display unit 10 is in a hidden state because the pointer 16 has moved to the bottom of the recess 3. Further, the light emitting elements 14a to 14c of the illumination light source unit 14 are all turned off.
  • the projector 50 is in a state where no image is projected.
  • the transmittances Tfc and Tfo of the transmittance variable layer 44 are the maximum value Tmax (for example, 90%) in the variable range.
  • the control unit 20 performs determination and display selection according to the flowchart of FIG. 5 as in the first embodiment.
  • Display A shown in FIG. 14 is selected when it is determined that the vehicle is not currently in the auto cruise control mode and is not in the eco mode by the processing of steps S10, S12, and S16 of the control unit 20 (see FIG. 5). Display.
  • the display unit 10 is in a state in which the scale 12a and the pointer 16 are turned on and the fuel efficiency display 12b is turned off under the control of the light emitting elements 14a to 14c. Therefore, when the pointer 16 indicates the scale 12a on the display unit 10, the engine speed is displayed as the state display content.
  • the projector 50 projects the image Is displaying the vehicle speed onto the overhanging portion 240b of the transmission member 240, and projects the image If displaying the remaining fuel amount and the image Io displaying the odd value onto the blocking portion 240a. is doing. Therefore, as the image display contents by the projector 50, the vehicle speed is superimposed on the overhang area Ao, and the fuel remaining amount and the odd value are superimposed on the closed area Ac, respectively.
  • the transmittances Tfc and Tfo of the transmittance variable layer 244 in the display A change according to the amount of light detected by the optical sensor 7. As shown in the graph of FIG. 15, when the surroundings are extremely dark and the detected light quantity is small, the transmittance Tfc of the closed region Ac and the transmittance Tfo of the overhanging region Ao are both in the variable range as the state X in FIG.
  • the maximum value Tmax (for example, 90%).
  • the transmittance Tfc of the closed region Ac does not change from the maximum value Tmax of the variable range, as shown in FIG. 15, while the transmittance Tfo of the overhang region Ao is It changes continuously so that it becomes low.
  • the transmittance Tfc of the closed region Ac becomes the maximum value Tmax of the variable range, and the transmittance Tfo of the overhang region Ao becomes the minimum value Tmin (for example, 10%) of the variable range.
  • the transmittance Tfc in the closed region Ac and the transmittance Tfo in the overhang region Ao are both greater than the predetermined transmittance Tfa. Become high. Note that the state X is included in this case.
  • the transmittance variable layer 244 is in a state where the transmittance Tfc of the closed region Ac is higher than the predetermined transmittance Tfa when the detected light amount is larger than the first predetermined value Q1 and smaller than the second predetermined value Q2.
  • the transmittance Tfo in the overhang area Ao is lower than the predetermined transmittance Tfa.
  • the state Y is included in this case.
  • the transmittance variable layer 244 has both the transmittance Tfc in the closed region Ac and the transmittance Tfo in the overhang region Ao lower than the predetermined transmittance Tfa. It becomes a state.
  • the state Z is included in this case.
  • the second predetermined value Q2 is defined as a value larger than the first predetermined value Q1.
  • changes in the transmittances Tfc and Tfo of the transmittance variable layer 244 are represented by the density of dots.
  • the overhanging portion 240b Since the overhanging portion 240b has only the windshield 6 on the back side, when the transmittance Tfo of the overhanging area Ao is high, the scenery outside the vehicle through the windshield 6 and the image display content can be superimposed and viewed. Can do. However, in contrast to the image projected on the blocking portion 240a on the inner side of the opening 32 of the light shielding member 30, the image projected on the overhanging portion 240b has nothing to block the surrounding brightness. It is easily affected by ambient brightness, and ensuring the contrast is important. Therefore, if the detected light quantity exceeds the first predetermined value Q1 smaller than the second predetermined value Q2, the transmittance Tfo of the overhanging area Ao is controlled to be lower than the transmittance Tfc of the closed area Ac. It is.
  • Display B shown in FIG. 17 is selected when it is determined by the processing of steps S10, S11, and S14 of the control unit 20 (see FIG. 5) that the vehicle is currently in the auto cruise control mode and not in the eco mode. Is displayed.
  • the display unit 10 in this case is the same as in the case of the display A.
  • the projector 50 in this case projects the image Is displaying the vehicle speed onto the projecting portion 240b of the transmission member 240, and projects the image Id displaying the inter-vehicle distance abstractly onto the blocking portion 240a. .
  • the transmittances Tfc and Tfo of the transmittance variable layer 244 in the display B are changed in the same manner as in the display A.
  • the display C shown in FIG. 18 is displayed when it is determined that the vehicle is currently in the auto cruise control mode and in the eco mode by the processing of steps S10, S11, and S13 of the control unit 20 (see FIG. 5).
  • the display to be selected In this case, in the display unit 10, the scale 12a and the pointer 16 are turned off by the control of the light emitting elements 14a to 14c, while the fuel efficiency display 12b is turned on.
  • the projector 50 in this case projects the same image as in the case of the display B.
  • the transmittances Tfc and Tfo of the transmittance variable layer 244 in the display C are changed in the same manner as in the cases of the displays A and B.
  • Display D shown in FIG. 19 is displayed when it is determined that the vehicle is not currently in the auto cruise control mode and is in the eco mode by the processing of steps S10, S12, and S15 of the control unit 20 (see FIG. 5).
  • the display to be selected The display unit 10 in this case is the same as in the case of the display C.
  • the projector 50 in this case projects the same image as in the case of the display A.
  • the transmittances Tfc and Tfo of the transmittance variable layer 244 in the display C are changed in the same manner as in the cases of the displays A to C.
  • the display can be switched to the display shown in FIG. 20 by, for example, manual switching of the driver.
  • the display unit 10 in this case is the same as in the case of the displays A and B.
  • the projector 50 in this case projects the image Is displaying the vehicle speed onto the projecting portion 240b of the transmission member 240, but projects nothing onto the blocking portion 240a.
  • the transmissive member 240 has the transmittance variable layer 244 in which the transmittances Tfc and Tfo change. Therefore, it is possible to achieve the operational effects according to the first embodiment.
  • the transmittance variable layer 244 is partitioned into a plurality of regions Ac and Ao, and the transmittances Tfc and Tfo change independently of each other in the regions Ac and Ao.
  • the transmittances Tfc and Tfo change independently of each other in the regions Ac and Ao.
  • the blocking region Ac and the projecting region Ao are independent of each other.
  • the transmittances Tfc and Tfo change.
  • the transmissivity variable layer 244 can change to appropriate transmissivities Tfc and Tfo in the closed area Ac where both display contents can be superimposed and the overhang area Ao where only the image display contents are present. It is possible to realize a display more suitable for the situation of the vehicle.
  • the transmittances Tfc and Tfo change according to the amount of light detected by the optical sensor 7 provided in the vehicle.
  • the visibility of at least one of the status display content and the image display content can be improved according to the brightness around the device 200. Therefore, it is possible to realize a display suitable for the situation of the vehicle.
  • the image display content is more susceptible to the brightness of the surroundings than the state display content of the display unit 10 surrounded by the light shielding member 30. Therefore, according to the second embodiment, when the detected light amount is smaller than the first predetermined value Q1, the transmittance Tfc in the closed region Ac and the transmittance Tfo in the overhang region Ao are both higher than the predetermined transmittance Tfa. ing. Further, when the detected light quantity is larger than the first predetermined value Q1 and smaller than the second predetermined value Q2, the transmittance Tfc in the closed region Ac is higher than the predetermined transmittance Tfa, and the overhang region Ao. The transmittance Tfo is lower than the predetermined transmittance Tfa. When the detected light amount is larger than the second predetermined value Q2, both the transmittance Tfc in the closed region Ac and the transmittance Tfo in the overhang region Ao are lower than the predetermined transmittance Tfa.
  • the transmittance Tfo is lower than the predetermined transmittance Tfa in the overhang area Ao where only the image display content is present. . Therefore, the background of the image that is easily affected by the surrounding brightness is darkened, so that the contrast in the image display content is increased and the visibility is improved.
  • the transmittance Tfc is lower than the predetermined transmittance Tfa in the closed region Ac in which both display contents can be superimposed.
  • the transmittance is lowered.
  • the third embodiment of the present disclosure is a modification of the first embodiment.
  • the scale 312a of the indicator unit 312 formed on the display plate 311 has a color (for example, a color of the light shielding unit 311a for coloring the translucent print layer).
  • a color for example, white as a light color
  • a black color as a dark color is used.
  • the transmittance Tf of the transmittance variable layer 44 changes according to the amount of light detected by the optical sensor 7.
  • the transmittance Tf gradually decreases as the detected light quantity increases. Therefore, when the surroundings become bright and the detected light amount increases, the transmittance variable layer 44 continuously changes so that the transmittance Tf is lower than before the increase. Further, when the surroundings become dark and the detected light amount decreases, the transmittance variable layer 44 continuously changes so that the transmittance Tf becomes higher than before the decrease.
  • the light emitting element 314 a that illuminates the scale 312 a from the back side has the control unit 20 when the transmittance Tf is equal to or higher than a preset set value Tf1. Is turned off.
  • the scale 312a does not emit light in the light-off state, the scale 312a is visually recognized by reflection of incident light from the outside of the apparatus 300 because the color of the scale 312a is different from the color of the light shielding portion 311a.
  • the light emitting element 314a is turned on when the transmittance Tf is lower than the set value Tf1.
  • the scale 312a functions as a light-emitting display body and is visually recognized with a high contrast with respect to the light shielding portion 311a.
  • the transmissive member 40 has the transmittance variable layer 44 in which the transmittance Tf changes. Therefore, it is possible to achieve the operational effects according to the first embodiment.
  • the light emitting element 314a is turned off when the transmittance Tf of the transmittance variable layer 44 is equal to or higher than the set value Tf1, and is turned on when the transmittance Tf is lower than the set value Tf1.
  • the scale 312a as 312 is caused to function as a light emitting display.
  • the display unit 310 provided with the scale 312a thus illuminated performs display utilizing the material feeling of the scale 312a when the transmittance Tf of the transmittance variable layer 44 is high.
  • the display unit 310 can increase the contrast of the scale 312a when the transmittance Tf of the transmittance variable layer 44 is low. Therefore, it is possible to realize a display suitable for the situation of the vehicle.
  • the fourth embodiment of the present disclosure is a modification of the first embodiment.
  • the fourth embodiment will be described with a focus on differences from the first embodiment.
  • the display unit 410 of the vehicle display device 400 in the fourth embodiment has an image display element 411 as shown in FIGS.
  • the image display element 411 is formed in a flat plate shape having a liquid crystal panel 412 and a display backlight 413.
  • the liquid crystal panel 412 is disposed on the viewing side of the image display element 411 so as to face the transmission member 40.
  • the liquid crystal panel 412 is, for example, an active matrix type formed of a plurality of liquid crystal pixels arranged in a two-dimensional direction using thin film transistors (TFTs).
  • TFTs thin film transistors
  • the display backlight 413 is arranged on the back side of the liquid crystal panel 412 and adjacent to the liquid crystal panel 412.
  • the display backlight 413 includes a light emitting element 413a such as a light emitting diode element, a light guide plate 413b, and the like.
  • the display backlight 413 causes the light emitted from the light emitting element 413a to enter the liquid crystal panel 412 from the back side of the liquid crystal panel 412 by the light guide of the light guide plate 413b.
  • the transmittance of light from the display backlight 413 is controlled for each liquid crystal pixel, so that the image display element 411 can display an image different from the image display content by the projector 50. ing.
  • the liquid crystal panel 412 is exposed on the viewing side in a semicircular shape with an arc facing the windshield 6 side.
  • the display unit 410 is in a state in which all of the light emitting elements 413a are turned off and an image by the image display element 411 is not displayed.
  • the state of the projector 50 and the transmittance variable layer 44 is the same as the power-off state of the first embodiment.
  • Display A shown in FIG. 23 is selected when it is determined that the vehicle is not currently in the auto cruise control mode and is not in the eco mode by the processing of steps S10, S12, and S16 of the control unit 20 (see FIG. 5). Display.
  • the display unit 410 displays the index image IM1 and the bar image IM2 as images different from the image display content.
  • the index image IM1 is displayed when the image has a scale and a character shape.
  • the scale image IM1a among the index images IM1 is arranged along the above-described arc.
  • the character image IM1b is arranged inside the scale image IM1a along the arc.
  • the bar image IM2 is arranged inside the scale image IM1a and the character image IM1b along the above-described arc.
  • the display color CL in a range that is equal to or less than the display value of the vehicle state of the index image IM1 is displayed differently from the display color CH in a range that is larger than the display value.
  • Display unit 410 displays the state of the vehicle (for example, the engine speed as the state display content).
  • the display color CH is the same dark color (for example, black) as the background color
  • the display color CL is a light color (for example, blue) having a higher brightness than the display color CH.
  • the projector 50 in this case projects an image Is that displays the vehicle speed, an image If that displays the remaining amount of fuel, and an image Io that displays the odd value as images, as in the first embodiment. Accordingly, the projector 50 displays the vehicle speed, the fuel remaining amount, and the odd value as image display contents.
  • the virtual image as the image display content is formed on the back side of the real image as the state display content.
  • the transmittance Tf of the transmittance variable layer 44 in the display A is changed according to the amount of light detected by the optical sensor 7 as in the first embodiment.
  • the light intensity of the light emitting element 413 a is controlled by the control unit 20 according to the transmittance Tf of the transmittance variable layer 44.
  • the light emission intensity of the image displayed by the image display element 411 changes according to the transmittance Tf.
  • the light emission intensity of the image displayed by the image display element 411 increases as the transmittance Tf decreases.
  • the display A of the present embodiment is displayed.
  • a display B in which the image display content is replaced with the image display content of the display B of the first embodiment is selected.
  • the index image IM1 and the bar image IM2 of the display B are not displayed, and instead, the display C displaying the fuel efficiency image is selected.
  • the fuel efficiency image may be an image imitating the fuel efficiency display of the first embodiment, or an image displaying other fuel efficiency. Further, the fuel efficiency image may be displayed in a large size using the area where the index image IM1 and the bar image IM2 are displayed on the liquid crystal panel 412.
  • a display D in which the image display content of the display C is replaced with the image display content of the display A of the present embodiment is selected.
  • the transmittance Tf of the transmittance variable layer 44 in the displays B to D changes in the same manner as in the display A.
  • the display can be switched to the display as shown in FIG. 27, for example, by manual switching of the driver.
  • the display unit 410 is in a state in which all of the light emitting elements 413a are turned off and an image by the image display element 411 is not displayed.
  • the projector 50 in this case projects an image Is for displaying the vehicle speed, an image If for displaying the remaining amount of fuel, and an image Io for displaying the odd value as images, as in the case of the display A.
  • the transmissive member 40 has the transmittance variable layer 44 in which the transmittance Tf changes. Therefore, it is possible to achieve the operational effects according to the first embodiment.
  • the display unit 410 includes the image display element 411 that displays an image different from the image display content.
  • the light emission intensity of the images IM1 and IM2 displayed by the image display element 411 changes according to the transmittance Tf. Since the display brightness of the display unit 410 changes in accordance with the change in the transmittance Tf, the vehicle state can be displayed with a contrast suitable for the vehicle state.
  • the light emission intensity of the image increases as the transmittance Tf decreases. Even if the transmittance Tf is low, the state display content can be reliably transmitted to the viewer side, so that the display brightness by the display unit 410 can be suppressed from being visually recognized.
  • the fifth embodiment of the present disclosure is a modification of the second embodiment or the fourth embodiment.
  • the fifth embodiment will be described focusing on differences from the second embodiment or the fourth embodiment.
  • the display unit 410 of the vehicle display device 500 includes an image display element 411 that displays an image different from the image display content, as in the fourth embodiment. Yes.
  • the transmissive member 240 in the fifth embodiment has a closed portion 240a and an overhang portion 240b similar to those in the second embodiment, and the transmittance variable layer 244 includes a closed region Ac provided in the closed portion 240a and a stretched portion 240b. It is partitioned into an overhang area Ao provided in the protruding portion 240b.
  • the transmittance Tfc of the closed area Ac and the transmittance Tfo of the overhang area Ao are changed independently of each other.
  • the display unit 410 is in a state in which all the light emitting elements 413a are turned off and does not display an image by the image display element 411.
  • control unit 20 performs determination and display selection according to the flowchart of FIG. 5 as in the second and fourth embodiments.
  • the display A shown in FIG. 28 is selected when the vehicle is not currently in the auto cruise control mode and is not in the eco mode by the processing of steps S10, S12, and S16 of the control unit 20 (see FIG. 5).
  • the display unit 410 in this case displays the engine speed as the state display content by the index image IM1 and the bar image IM2.
  • the index image IM1 and the bar image IM2 are basically the same as those in the fourth embodiment, except that the bar image IM2 is arranged between the scale image IM1a and the character image IM1b.
  • the projector 50 in this case projects the image Is displaying the vehicle speed onto the overhanging portion 240b of the transmissive member 240, and displays the image If and the odd value indicating the remaining amount of fuel.
  • the image Io is projected onto the blocking portion 240a. Therefore, as the image display contents by the projector 50, the vehicle speed is superimposed on the overhang area Ao, and the fuel remaining amount and the odd value are superimposed on the closed area Ac, respectively.
  • the transmittances Tfc and Tfo of the transmittance variable layer 244 in the display A are changed according to the amount of light detected by the optical sensor 7 as in the second embodiment.
  • the light intensity of the light emitting element 413a is controlled by the control unit 20 according to the transmittance Tfc of the closed region Ac of the transmittance variable layer 244. That is, in the fifth embodiment, the light emission intensity of the light emitting element 413a is irrelevant to the transmittance Tfo of the overhang region Ao.
  • the light emission intensity of the image displayed by the image display element 411 changes according to the transmittance Tfc.
  • the light emission intensity of the image increases as the transmittance Tfc decreases.
  • the display B shown in FIG. 32 is selected when it is determined that the vehicle is currently in the auto cruise control mode and not in the eco mode by the processing of steps S10, S11, and S14 of the control unit 20 (see FIG. 5).
  • the display unit 410 in this case is the same as in the case of display A.
  • the projector 50 in this case projects the image Is displaying the vehicle speed onto the projecting portion 240b of the transmission member 240, and projects the image Id displaying the inter-vehicle distance abstractly onto the blocking portion 240a. .
  • the transmittances Tfc and Tfo of the transmittance variable layer 244 in the display B are changed in the same manner as in the display A.
  • the display C shown in FIG. 33 is displayed when it is determined that the vehicle is currently in the auto cruise control mode and in the eco mode by the processing of steps S10, S11, and S13 of the control unit 20 (see FIG. 5).
  • the display unit 410 is in a state in which all of the light emitting elements 413a are turned off and an image by the image display element 411 is not displayed.
  • the projector 50 in this case projects the same image as in the case of the display B.
  • the display D shown in FIG. 34 is displayed when it is determined that the vehicle is not currently in the auto-cruise control mode and is in the eco mode by the processing of steps S10, S12, and S15 of the control unit 20 (see FIG. 5).
  • the display unit 410 in this case is the same as in the case of the display C.
  • the projector 50 in this case projects the same image as in the case of the display A.
  • the display can be switched to a display as shown in FIG. 35, for example, by manual switching of the driver.
  • the display unit 410 in this case is the same as in the case of the displays A and B.
  • the projector 50 in this case projects the image Is displaying the vehicle speed onto the projecting portion 240b of the transmission member 240, but projects nothing onto the blocking portion 240a.
  • the transmittances Tfc and Tfo of the transmittance variable layer 244 in the cases of the displays C and D and FIG. 35 are changed in the same manner as in the case of the display A.
  • the transmittance Tfc may be fixed to the minimum value Tmin with priority given to the contrast of the image Id or the images If and Io.
  • the transmissive member 240 has the transmittance variable layer 244 in which the transmittances Tfc and Tfo change. Therefore, it is possible to achieve the operational effects according to the first embodiment.
  • the light emission intensity of the image displayed by the image display element 411 changes according to the transmittance Tfc of the closed region Ac.
  • the light emission intensity of the image increases as the transmittance Tfc of the closed area Ac decreases.
  • the display unit 10 may use a drum body 97 instead of the pointer 16 to display the state of the vehicle.
  • the drum body 97 is an illumination member disposed on the back side of the display plate 11 and is formed in, for example, a cylindrical shape. Both the bottom surface portions 97a and 97b on the viewing side and the back surface side of the drum body 97 are formed in a disc shape having a light shielding property by using, for example, a synthetic resin.
  • a light source 97 c using an LED element is disposed on the bottom surface portion 97 a on the viewing side.
  • the side surface portion 97d of the drum body 97 is a slide portion in which a light-shielding slide plate 97e is formed in accordance with the edges of the bottom surface portions 97a and 97b. A part of the slide plate 97e is slid by driving of the stepper motor 96, and the slide opens and closes an illumination window 97f as an opening between the slide plates 97e, and the range of the illumination window 97f is increased. Change. With such a side surface portion 97d, the drum body 97 illuminates the reflector 98 through the illumination window 97f.
  • the reflector 98 reflects the light from the illumination window 97f toward the viewing side on the outer side of the arcuate outer peripheral portion 11b of the display plate 11. Thus, the viewer can recognize the state of the vehicle by comparing the indicator portion 12 of the display plate 11 with the illumination range LR in the reflector 98.
  • the projector 50 is disposed on the back side of the projecting portion 240b of the transmission member 240, and an image from the projector 50 is projected onto the projecting portion 240b.
  • the image display content may be directed to the viewer side by the transmission of the overhang portion 240b.
  • the indicator portion 12 of the display board 11 may be formed by two-color molding or unevenness instead of the printing layer.
  • the vehicle state displayed by the display unit 10 includes, in addition to the engine speed and fuel efficiency, the vehicle speed, the remaining fuel amount, the engine coolant temperature, the odd value, the inter-vehicle distance, or the electric motor A current value or the like can be employed.
  • the image display content of the image projected by the projector 50 includes, in addition to the vehicle speed, the remaining fuel amount, the odd value, and the inter-vehicle distance, the engine speed, the engine coolant temperature, and the electric motor current. Values, warnings, road information, visibility assistance information, e-mail, etc. can be employed.
  • the transmittances Tf, Tfc, and Tfo of the transmittance variable layers 44 and 244 may be manually changed according to the preference of the viewer.
  • the transmittances Tf, Tfc, and Tfo of the transmittance variable layers 44 and 244 may be discretely changed.
  • the light shielding member 30 may be a semi-transparent member that shields part of light.
  • the vehicle display device 100 may include a translucent translucent member that surrounds the display unit 10 from the outside and has an opening 32 that opens to the viewing side, instead of the light shielding member 30.
  • the optical sensor 7 may be provided other than the upper part of the instrument panel 2 of the vehicle as long as the light around the transmission member 40 can be detected.
  • the vehicle display device 100 may include the optical sensor 7 on the light shielding member 30.
  • the periphery of the transmissive member 40 may be a location slightly away (for example, 2 to 3 m) from the transmissive member 40 in the vehicle as long as it is close to the environment in which both display contents combined by the transmissive member 40 are visually recognized.
  • the transmittance variable layer 244 is divided into three or more regions as shown in FIG. 11 so that the transmittance changes independently in each region. It may be.
  • the virtual image as the image display content is formed on the back side of the display plate 11, 311 or the liquid crystal panel 412 in the first to fifth embodiments. It may be imaged.
  • a rectangular or circular liquid crystal panel, an element using an organic EL display, or the like is adopted as the image display element 411 in addition to the semicircular liquid crystal panel 412. be able to.
  • the image display element 411 may display the state of the vehicle other than the index image IM1 and the bar image IM2.
  • a pointer-shaped pointer image may be displayed instead of the bar image IM2 according to the viewer's preference.
  • the display unit 410 further includes an actual pointer, and the actual pointer indicates the index image IM1 displayed on the image display element 411. Good.
  • the image display element 411 displays an alarm, road information, visibility auxiliary information, or an e-mail as an image in addition to the images IM1 and IM2 for displaying the state. Can do.
  • the display unit 410 displays the fuel efficiency image. May be.
  • the vehicle display device 1100 is mounted on an instrument panel 1002 of the vehicle as shown in FIGS. Specifically, an upper portion of the instrument panel 1002 is provided with a recess portion 1003 that is formed to be recessed from the panel surface at a location facing the windshield 1006 of the vehicle, and the vehicle display device 1100 includes the recess portion.
  • the unit 1003 is installed.
  • the vehicular display device 1100 is seated on a vehicle seat and allows a viewer who is positioned on the viewing side of the device 1100 to view the display contents. That is, the viewer visually recognizes the foreground including roads and road signs through the windshield 1006 and visually recognizes the display content of the vehicle display device 1100 by moving the line of sight from the foreground.
  • the vehicular display device 1100 includes a display unit 1010, a light shielding member 1030, a transmission member 1040, and a projector 1050 as main components.
  • the display unit 1010 of the sixth embodiment includes a display plate 1011, a substrate 1013, a display plate light source 1014, a stepper motor 1015, a pointer 1016, an ambient light source 1017, and a reflection plate 1018.
  • the display board 1011 is also generally called a dial plate.
  • the display board 1011 has a light-shielding printing layer or a semi-translucent layer on the surface of a plate-like substrate made of a synthetic resin having a semi-circular translucency. It has a flat plate shape on which a printed layer is formed.
  • the display board 1011 is arranged so that the semicircular arc 1011a faces the windshield 1006 side.
  • an index 1012 is formed by forming a scale 1012 a and a character 1012 b at a place where a semi-transparent print layer is formed or a place where a print layer is not formed.
  • the scale 1012 a among the indicators 1012 is arranged along the arc 1011 a of the display plate 1011.
  • the substrate 1013 is disposed on the back side opposite to the viewing side of the display plate 1011 and is made of, for example, synthetic resin.
  • An electronic circuit, a light source for display panel 1014, an ambient light source 1017 are mounted on the substrate 1013, and a stepper motor 1015 is held.
  • the display board light source 1014 is mounted on the viewing side of the substrate 1013, and is formed of, for example, a light emitting diode element.
  • the display panel light source 1014 illuminates the display panel 1011 from the back side, so that the indicator 1012 is lit.
  • the stepper motor 1015 is arranged on the visual recognition side of the substrate 1013, is controlled in driving through an electronic circuit, and outputs rotation to the pointer 1016 that is mechanically connected.
  • the pointer 1016 is a needle-like member disposed on the viewing side with respect to the display plate 1011.
  • the stepper motor 1015 By driving the stepper motor 1015, the pointer 1016 rotates around a rotation shaft 1016 a provided through the display plate 1011.
  • the pointer 1016 rotates around the rotation axis 1016a within a range of, for example, less than 180 ° according to the arc 1011a of the display plate 1011 to indicate the scale 1012a as the index 1012.
  • the display unit 1010 displays the state of the vehicle by analog display using the pointer 1016 that indicates the index 1012.
  • the engine speed is displayed as the vehicle state by the index 1012 and the pointer 1016.
  • the ambient light source 1017 is formed outside the display unit 1010 and is mounted on the viewing side of the substrate 1013.
  • the ambient light source 1017 is controlled through an electronic circuit using, for example, a light emitting diode element, and can emit light in an arbitrary color such as red, green, or blue.
  • the reflection plate 1018 is disposed so as to face the ambient light source 1017 and reflects light from the light source.
  • the reflected light reaches the viewing side of the display unit 1010 through the light guide 1019 between the arc 1011a of the display plate 1011 and the light shielding member 1030, thereby creating an atmosphere in which light leaks as indirect illumination.
  • the ambient light source 1017 emits light in a color corresponding to fuel consumption as the vehicle state, so that the vehicle state is displayed even by indirect illumination.
  • the reflection plate 1018 has a light shielding property, and reaches the substrate 1013 to divide a space where the display plate light source 1014 exists and a space where the ambient light source 1017 exist so that the light of each light source is It is designed not to mix.
  • the light shielding member 1030 is formed in a curved plate shape having a light shielding property, for example, by a synthetic resin.
  • the light shielding member 1030 surrounds the display unit 1010 along the arc 1011a of the display plate 1011 from the outside.
  • the light shielding member 1030 covers the entire back side of the display portion 1010, and has an opening 1032 on the viewing side.
  • the transmitting member 1040 is formed in a plate shape having translucency, for example, by a synthetic resin such as an acrylic resin or a polycarbonate resin.
  • the transmissive member 1040 is arranged on the viewing side with respect to the display unit 1010 and covers the entire surface of the opening 1032 by contacting the viewing side end 1034 of the light shielding member 1030. Therefore, the entire display unit 1010 is covered with the transmissive member 1040 and the light shielding member 1030, and the display unit 1010 is protected from dust, dust, and an occupant who is interested in touching the display unit 1010.
  • the transmissive member 1040 projects outward from the light shielding member 1030 with respect to the display unit 1010. Specifically, the transmissive member 1040 projects outward from the light shielding member 1030 in all directions in which the arc 1011a of the display plate 1011 is formed.
  • the projecting dimension of the transmission member 1040 is smaller than the direction of the side portion 1042 in the direction facing the windshield 1006.
  • the transmissive member 1040 has a curved plate shape whose central portion is recessed on the back side.
  • the transmissive member 1040 further has a smoked colored portion 1044 outside the light shielding member 1030.
  • the colored portion 1044 is colored so that the transmittance is lower than the inner transmittance that transmits the state display content of the display portion 1010 in the transmissive member 1040.
  • the colored portion 1044 of the present embodiment is formed in a direction facing the windshield 1006, and the side portion 1042 of the transmissive member 1040 is not colored.
  • the coloring portion 1044 has a gradation portion 1044a that increases in transmittance as it goes inward from the center of the coloring portion 1044. A part of the gradation portion 1044a is also formed over a region inside the light shielding member 1030. In this region, the transmittance is set so as not to hinder the transmission of the state display content.
  • the colored portion 1044 and the gradation portion 1044a are indicated by dots.
  • the coloring part 1044 of this embodiment is colored in the translucent or translucent smoke color, it may be colored in another color.
  • a coloring method for the coloring portion 1044 a method such as dyeing the transmissive member 1040 with a dye, attaching a colored film on the surface of the transmissive member 1040, or printing on the surface of the transmissive member 1040 can be employed.
  • the state display content of the display part is transmitted through the transmission member 1040. Therefore, the viewer can perceive and recognize the state display content as light via the transmissive member 1040.
  • the projector 1050 is disposed on the viewing side with respect to the transmission member 1040. Specifically, the projector 1050 is disposed in a recess 1004 a provided in a recessed portion 1003 of the instrument panel 1002, which is further recessed in an inclined surface 1004 that is inclined to face the windshield 1006.
  • the projector 1050 includes a liquid crystal panel 1052 that projects an image.
  • the liquid crystal panel 1052 employs, for example, an active matrix type formed of a plurality of liquid crystal pixels arranged in a two-dimensional direction using thin film transistors (TFTs).
  • TFTs thin film transistors
  • the projector 1050 includes a projection backlight 1054, and light from the projection backlight 1054 is incident on the liquid crystal panel 1052. In the liquid crystal panel 1052, the light transmittance from the projection backlight 1054 is controlled for each liquid crystal pixel, so that the projector 1050 can project the image display content on the transmissive member 1040.
  • the projected image display content is directed to the viewing side through the transmissive member 1040 due to reflection at the transmissive member 1040. Therefore, the viewer can perceive and recognize the image display content as light via the transmissive member 1040.
  • the image display content is projected on the coloring portion 1044 of the transmissive member 1040 and is, for example, the speed of the vehicle. In this way, both display contents (that is, the state display contents and the image display contents) can be viewed in a shifted state without completely overlapping.
  • the projector 1050 may be one using an organic EL display or the like other than the liquid crystal panel 1052 as long as it can project image display contents onto the transmission member 1040.
  • the transmissive member 1040 is arranged on the viewing side with respect to the display unit 1010. Then, when the vehicle state is displayed on the display unit 1010, the state display content of the display unit 1010 is transmitted through the transmission member 1040. Further, the image display content is projected onto the transmission member 1040 by the projector 1050, and the image display content is directed to the viewing side. Accordingly, the viewer can clearly see the state display contents and can visually recognize the display contents between the two display contents using the common transmission member 1040 with a reduced line-of-sight movement load. As described above, a vehicle display device with high visibility can be provided.
  • the projector 1050 arranged on the viewing side with respect to the transmissive member 1040 directs the image display content by reflection at the transmissive member 1040. Since such image display content is displayed as a virtual image having a depth, visibility can be improved by reducing the load of focus adjustment of the viewer.
  • the light shielding member 1030 having a light shielding property that surrounds the display unit 1010 from the outside is provided, and the transmission member 1040 projects outward from the light shielding member 1030 with respect to the display unit 1010. According to this, since the degree of freedom of the projection range onto the transmission member 1040 by the projector 1050 is increased, visibility can be improved by, for example, preventing the display positions of both display contents from completely overlapping.
  • the transmissive member 1040 has the colored portion 1044 that is colored outside the light shielding member 1030 so that the transmittance is lower than the inside. According to this, the state display content of the display unit 1010 can be transmitted with high transmittance inside the light shielding member 1030 in the transmissive member 1040, and the contrast of the image display content can be transmitted outside the light shielding member 1030 in the transmissive member 1040. Can be directed to the viewer side and thus visibility is improved.
  • the colored portion 1044 has the gradation portion 1044a in which the transmittance increases toward the inside. With such a gradation portion 1044a, the visibility of both display contents can be enhanced without causing a boundary.
  • the display unit 1010 displays the state of the vehicle using the pointer 1016 that indicates the index 1012. According to this, since the display using the entity that is impossible only by the projection of the projector 1050 is possible, the visibility is improved.
  • the seventh embodiment of the present disclosure is a modification of the sixth embodiment.
  • the seventh embodiment will be described with a focus on differences from the sixth embodiment.
  • the display unit 1020 of the vehicle display device 1200 includes a display plate 1021, a backlight unit 1023, a substrate 1024, an ambient light source 1025, a stepper motor 1026, a drum body 1027, and a reflector 1028. .
  • the display board 1021 is formed in the same manner as the display board 1011 of the sixth embodiment, but the scale 1022a of the indicator 1022 is different from the sixth embodiment in the state of the vehicle (in this embodiment, the engine speed). It is formed along the arc 1021a of the display panel 1021 so as to be paired with the character 1022b representing. That is, the sub-scale indicating the intermediate value between the characters 1022b is not provided. Note that the index 1022 is not shown in FIG.
  • the backlight unit 1023 illuminates the display plate 1021 from the back side by the backlight light source 1023a and the light guide plate 1023b.
  • the backlight light source 1023a formed of a light-emitting diode element emits light toward the side portion of the light guide plate 1023b disposed on the back side of the display plate 1021, so that the light guide plate 1023b guides light toward the display plate 1021. To do.
  • the indicator 1022 is turned on.
  • a light shielding plate 1023c is provided on the back side of the light guide plate 1023b so that light passing through the light guide plate 1023b does not leak into other spaces.
  • the substrate 1024 is disposed on the back side of the display panel 1021 in the same manner as the substrate 1013 of the sixth embodiment. On the substrate 1024, an electronic circuit and an ambient light source 1025 are mounted, and a stepper motor 1026 is held.
  • the ambient light source 1025 is the same as that of the sixth embodiment.
  • the light from the ambient light source 1025 reaches the viewing side of the display unit 1020 through the light guide 1029 formed along the light shielding member 1030 on the outermost side of the display unit 1020, so that light leaks as indirect illumination. Create an atmosphere.
  • the stepper motor 1026 is disposed on the viewing side of the substrate 1024, and the drive is controlled through an electronic circuit to output rotation to the drum body 1027 that is mechanically connected.
  • the drum body 1027 is an illumination member disposed on the back side of the display plate 1021 and the backlight unit 1023 and on the viewing side of the stepper motor 1026, and is formed in a cylindrical shape, for example. Both the bottom surface portions 1027a and 1027b on the viewing side and the back surface side of the drum body 1027 are formed in a disc shape having a light shielding property, for example, by a synthetic resin. Inside the drum body 1027, a light source for reflected illumination 1027c made of, for example, a light emitting diode element is disposed on the bottom surface portion 1027a on the viewing side.
  • the side surface portion 1027d of the drum body 1027 is a slide portion in which a slide plate 1027e is formed in accordance with the edges of both bottom surface portions 1027a to 1027b.
  • the slide plate 1027e is in the form of a strip having a light shielding property, for example, with a synthetic resin.
  • a part of the slide plate 1027e is slid by driving of the stepper motor 1026, and the slide causes the illumination window 1027f as an opening between the slide plates 1027e to open and close, and the range of the illumination window 1027f is increased. Change.
  • the drum body 1027 illuminates the reflection surface 1028a of the reflector 1028 through the illumination window 1027f.
  • the reflector 1028 reflects light from the drum body 1027 toward the viewing side by the reflecting surface 1028a inside the light guide path 1029 and outside the arc body 1021a of the drum body 1027 and the display plate 1021.
  • the reflecting surface 1028a of the reflector 1028 is formed in an annular shape along the arc 1021a so as to be seen from the viewing side, and thus is disposed next to the scale 1022a in the index 1022.
  • the reflective surface 1028a is formed, for example, by providing a metal vapor deposition film such as aluminum on the surface of the base material of the reflector 1028.
  • the drum body 1027 illuminates part or all of the reflecting surface 1028a according to the range of the illumination window 1027f.
  • the display unit 1020 displays the state of the vehicle. That is, the viewer can recognize the state of the vehicle by comparing the indicator 1022 of the display panel 1021 with the illumination range LR (see FIGS. 40 and 42) on the reflecting surface 1028a.
  • the transmissive member 1040 is arranged on the viewing side with respect to the display unit 1020, and the state display content of the display unit 1020 is transmitted. Further, the projector 1050 projects the image display content on the transmissive member 1040 and directs the image display content to the viewing side via the transmissive member 1040. Therefore, it is possible to achieve the operational effects according to the sixth embodiment.
  • the display unit 1020 illuminates a part or all of the display plate 1021 on which the index 1022 is formed, the reflective surface 1028a disposed next to the index 1022, and the reflective surface 1028a.
  • the display unit 1020 has a drum body 1027 as an illumination member for displaying the state of the vehicle. According to this, the visibility of the state display content can be enhanced by illumination through the reflecting surface 1028a by the drum body 1027.
  • the eighth embodiment of the present disclosure is a modification of the sixth embodiment.
  • the eighth embodiment will be described with a focus on differences from the sixth embodiment.
  • the display unit 1310 of the vehicle display device 1300 includes an image display element 1311.
  • the image display element 1311 is formed in a flat plate shape having a liquid crystal panel 1312 and a display backlight 1313.
  • the liquid crystal panel 1312 is disposed on the viewing side of the image display element 1311 so as to face the transmission member 1040.
  • the liquid crystal panel 1312 is, for example, an active matrix type formed of a plurality of liquid crystal pixels arranged in a two-dimensional direction using thin film transistors (Thin Film Transistors, TFTs).
  • the display backlight 1313 is disposed on the back side of the liquid crystal panel 1312 and adjacent to the liquid crystal panel 1312.
  • the display backlight 1313 includes, for example, a light emitting element 1313a such as a light emitting diode element, a light guide plate 1313b, and the like.
  • the display backlight 1313 causes the light emitted from the light emitting element 1313 a to enter the liquid crystal panel 1312 from the back side of the liquid crystal panel 1312 by the light guide of the light guide plate 1313 b.
  • the transmittance of light from the display backlight 1313 is controlled for each liquid crystal pixel, so that the image display element 1311 displays images IM1 and IM2 different from the image display content by the projector 1050. It is possible.
  • the image display element 1311 of this embodiment is formed in a rectangular shape.
  • the light shielding member 1330 surrounding the display unit 1310 from the outside has an outward appearance that is squared in accordance with the rectangular image display element 1311.
  • the viewing side end portion 1334 on the viewing side where the opening 1332 is provided in the light shielding member 1330 is in contact with the transmission member 1040 in an arc shape, as in the sixth embodiment.
  • the liquid crystal panel 1312 is exposed on the viewing side in a semicircular shape with an arc facing the windshield 1006 side by concealing a part of the surface on the viewing side by the concealing portion 1336 of the light shielding member 1330.
  • the space 1314 is provided on the back side of the image display element 1311 in the light shielding member 1330.
  • the vehicle display device 1300 may be downsized without providing the space 1314.
  • the image display element 1311 displays the index image IM1 when the image to be displayed has a scale and a character shape.
  • the scale image IM1a among the index images IM1 is arranged along the above-described arc.
  • the character image IM1b is arranged inside the scale image IM1a along the arc.
  • the image display element 1311 displays the bar image IM2.
  • the bar image IM2 is arranged between the scale image IM1a and the character image IM1b along the arc.
  • the display color CL in a range that is equal to or less than the display value of the vehicle state of the index image IM1 is displayed differently from the display color CH in a range that is larger than the display value.
  • Display unit 1310 displays the state of the vehicle (for example, the engine speed).
  • the display color CH is the same dark color (for example, black) as the background color
  • the display color CL is a light color (for example, blue) having a higher brightness than the display color CH.
  • the image display element 1311 can display various images in addition to the above-described images IM1 and IM2. For example, a pointer-shaped pointer image can be displayed instead of the bar image IM2 according to the viewer's preference.
  • the image display element 1311 can also display, for example, road information, visibility assistance information, electronic mail, and the like as images.
  • the transmissive member 1040 is disposed on the viewing side with respect to the display unit 1310, and the state display content of the display unit 1310 is transmitted. Further, the projector 1050 projects the image display content on the transmissive member 1040 and directs the image display content to the viewing side via the transmissive member 1040. Therefore, it is possible to achieve the operational effects according to the sixth embodiment.
  • the display unit 1310 includes the image display element 1311 that displays the images IM1 and IM2 different from the image display content.
  • the vehicle state displayed by the display unit 1010 includes, in addition to the engine speed and fuel consumption, remaining fuel, engine coolant water temperature, electric motor current value, or these Combinations and the like can be employed.
  • the image display content may be projected on a portion of the transmissive member 1040 other than the colored portion.
  • the image display content may be projected on a portion overlapping the state display content of the display unit 1010.
  • the coloring portion 1044 may not have the gradation portion 1044a. That is, a clear boundary may be visually recognized between the colored portion 1044 and a portion other than the colored portion.
  • the transmissive member 1040 may not have the colored portion 1044.
  • a projector 1050 is disposed on the back side of a portion of the transmissive member 1040 that projects outward from the light shielding member 1030, and the image display content from the projector 1050 is projected onto this projecting location. Then, the image display content may be directed to the viewer side by transmitting the protruding portion.
  • the transmissive member 1040 may or may not have the colored portion 1044 where the image display content is transmitted. However, if the transmissive member 1040 has the colored portion 1044, the visibility of the transmitted image display content is not hindered. It is preferable to set to the transmittance.
  • a circular or semicircular liquid crystal panel in addition to the rectangular liquid crystal panel 1312, a circular or semicircular liquid crystal panel, an element using an organic EL display, or the like is adopted as the image display element 1311. it can.
  • the display unit 1310 may further include an actual pointer, and the actual pointer may indicate the index image IM1 displayed on the image display element 1311.
  • the display device As shown in FIG. 45, the display device according to the present embodiment is attached to an instrument panel (instrument panel 2011) installed in a vehicle 2010.
  • the arrows indicating the vertical and horizontal directions in FIG. 45 indicate the gravity direction and the horizontal width direction of the vehicle 2010 when the display device is mounted on the vehicle 2010.
  • the display device includes a display D, a virtual image display 2040, and an electronic control unit (ECU 2050), which will be described in detail below.
  • the display D displays the first image G1 and includes a screen 2020 and a projector 2030.
  • the screen 2020 is attached to the opening 2011a of the instrument panel 2011. Specifically, the instrument panel 2011 is attached to the front portion of the driver of the vehicle 2010.
  • the screen 2020 is a light transmissive type that has a property of allowing light from the back side to be incident and reflecting light from the front side.
  • the display light of the image projected on the screen 2020 is incident from the back side of the screen 2020, that is, the opposite side of the viewer E with respect to the screen 2020, and the display light forms an image on the screen 2020 and is visually recognized as an image.
  • the screen 2020 is a light transmission type screen that projects the first display light L1 incident from the back side as the first image G1.
  • the screen 2020 is a light transmissive type that has a property of allowing light from the back side to be incident and reflecting light from the front side.
  • the screen 2020 has a Fresnel lens layer 2021, a lenticular lens layer 2022, and a protect layer 2023. These layers are laminated from the back side in the order of the Fresnel lens layer 2021, the lenticular lens layer 2022, and the protect layer 2023.
  • the Fresnel lens layer 2021 and the lenticular lens layer 2022 are held in a state where a gap is formed between them.
  • the lenticular lens layer 2022 and the protect layer 2023 are held in contact with each other.
  • the Fresnel lens layer 2021 is a resin sheet having a Fresnel lens portion 2021a.
  • the Fresnel lens unit 2021a converges the first display light L1 that is divergently incident from the center of the screen 2020 toward the periphery thereof into parallel light.
  • the lenticular lens layer 2022 is a resin sheet having a lenticular lens portion 2022a.
  • the lenticular lens unit 2022a diffuses the first display light converted into parallel light by the Fresnel lens layer 2021 while being oriented so as to be recognized as the first image G1 from various angles.
  • the protect layer 2023 is a resin sheet that covers and protects the lenticular lens layer 2022 from the viewer side.
  • the surface of the resin sheet is glossy, for example, glossy with a reflectance of 4 to 5%.
  • the reflectance is the ratio of the incident light from the viewer side of the protective layer 2023 that is reflected without being absorbed.
  • the display surface of the screen 2020 in the present embodiment is the surface of the protective layer 2023 formed in a glossy shape, which corresponds to the above-described display reflection surface, and is hereinafter referred to as a screen reflection surface 2020a. That is, part of incident light (for example, 4 to 5%) from the viewer side of the screen 2020 is reflected to the viewer side on the screen reflecting surface 2020a.
  • the entire screen 2020 has a curved shape as shown in FIG. Therefore, the screen reflection surface 2020a is also curved.
  • the screen 2020 has a shape curved around one virtual straight line V1 shown in FIG.
  • the direction in which the virtual straight line V1 extends is the horizontal direction in a state where the display device is mounted on the vehicle 2010, and coincides with the left-right direction of the vehicle, that is, the vertical direction on the sheet of FIG.
  • the projector 2030 is disposed on the back side of the screen 2020, that is, on the opposite side of the viewer E with respect to the screen 2020.
  • the projector 2030 emits the first display light L1 to the screen 2020 from the back side of the screen 2020.
  • the first display light L1 is emitted toward the back side of the Fresnel lens layer 2021 of the screen 2020.
  • the projector 2030 includes a liquid crystal panel, a backlight, and a magnifying lens.
  • the display light emitted through the liquid crystal panel by the backlight is magnified by the magnifying lens and emitted from the projector 2030 as the first display light L1.
  • the virtual image display 2040 is disposed on the surface side of the screen 2020, that is, on the viewer E side with respect to the screen 2020.
  • the virtual image display 2040 emits the second display light L2 from the surface side of the screen 2020 to the screen reflection surface 2020a. Specifically, the second display light L2 is emitted toward the surface side of the protect layer 2023 of the screen 2020.
  • the virtual image display 2040 has a liquid crystal panel and a backlight. The display light emitted through the liquid crystal panel by the backlight is emitted from the virtual image display 2040 as the second display light L2. Part of the emitted second display light L2 is reflected by the screen reflecting surface 2020a and travels toward the viewer E.
  • the second display light L2 is visually recognized as a virtual image (second image G2) positioned on the back side of the screen 2020. Then, the second image G2 displayed as a virtual image is superimposed on the first image G1 projected and displayed on the screen 2020 and viewed.
  • FIG. 47 is a mode in which the first image G1 and the second image G2 are displayed in a superimposed manner, and shows how the viewer E can see the lower image.
  • the upper part of FIG. 47 is a diagram in which only the second image G2 is extracted from the lower part image displayed in a superimposed manner
  • the middle part of FIG. 47 is a diagram in which only the first image G1 is extracted from the lower part image displayed in a superimposed manner.
  • the first image G1 includes a background image G11, a scale image G12, a numerical image G13, and a pointer image G14.
  • the pointer image G14 is displayed so as to rotate according to the physical quantity representing the vehicle 2010 operation state such as the engine speed and the vehicle speed, and the physical quantity is displayed by the pointer image G14 pointing to the scale image G12.
  • the second image G2 is an image representing the numerical value of the physical quantity.
  • the second image G2 is visually recognized by being superimposed on the background image G11 portion of the first image G1. That is, the background image G11 and the second image G2 of the first image G1 are displayed in a superimposed manner.
  • the ECU 2050 includes a memory in which a predetermined program is stored, a processor that executes the program, and the like, and controls the operations of the projector 2030 and the virtual image display 2040. Specifically, the energization on / off of the backlight and the voltage applied to the electrodes of the liquid crystal panel are controlled.
  • the projector 2030, the virtual image display 2040, and the ECU 2050 are disposed inside the instrument panel 2011 and are covered with the instrument panel 2011 so that the viewer E cannot see them.
  • ECU2050 switches the display mode as shown in FIG.
  • the (a) column in the figure shows the same display mode as that in FIG. 47 and the display mode during normal running.
  • (B) column in the figure shows the display mode when traveling in the eco mode.
  • the eco mode is a mode when the internal combustion engine is controlled by giving priority to the fuel consumption rate over the acceleration of the vehicle.
  • the actual vehicle speed is projected and displayed, and the background that suggests the eco mode is displayed as a virtual image.
  • (C) column in the figure shows the display mode when the speed limit is displayed. Specifically, in a situation where the vehicle travels at a speed of 60 km / h on a road with a speed limit of 40 km / h, the speed limit is projected and the vehicle speed is displayed as a virtual image.
  • (D) column in the figure shows the display mode when the turn-by-turn (TBT) and alert are displayed.
  • the TBT is a display for prompting the driver to turn right or left in the navigation device.
  • the alert is projected and displayed, and the TBT is displayed as a virtual image.
  • (E) column in the figure shows the display mode when information related to auto cruise control (ACC) is displayed.
  • ACC is a function of automatically driving at a preset vehicle speed without the driver stepping on the accelerator pedal.
  • the set vehicle speed and the actual vehicle speed are displayed as virtual images, and the background corresponding to the actual vehicle speed is projected and displayed.
  • (F) column in the figure shows the display mode when displaying the map information and TBT in the navigation device.
  • the TBT is displayed as a virtual image and map information is projected and displayed.
  • the display device includes the light-transmissive screen 2020, the projector 2030 that emits the first display light L1 from the back side of the screen 2020, and the screen reflection surface that emits the second display light L2. And a virtual image display 2040 reflected by 2020a.
  • the first display light L1 is projected onto the screen 2020 from the back side, so that the first image G1 is projected and displayed on the screen 2020.
  • the second display light L2 to be displayed as a virtual image is reflected by the screen reflection surface 2020a, the portion of the screen 2020 where the first image G1 is projected and displayed, that is, the portion of the Fresnel lens layer 2021 of the screen 2020 and the screen reflection.
  • the conventional half mirror disposed on the surface side of the screen 2020 with a space therebetween can be eliminated, so that the first image G1 can be avoided from being viewed with low luminance through the half mirror. Therefore, it is possible to avoid the first image G1 being viewed with low luminance while the second image G2 is superimposed on the first image G1 and displayed as a virtual image to be viewed as a stereoscopic image.
  • the second image G2 displayed as a virtual image can be viewed at a position far from the viewer as compared to a flat shape. it can. Therefore, the difference in the viewing position (that is, parallax) in the viewing direction between the first image G1 and the second image G2 can be increased, so that it is facilitated to stereoscopically view the image on which the first image G1 and the second image G2 are superimposed. it can.
  • the screen reflection surface 2020a is glossy. Therefore, the second image G2 displayed as a virtual image by reflection on the screen reflection surface 2020a can be displayed with a clear appearance.
  • the entire screen reflection surface 2020a has a curved shape. Therefore, when the viewer E looks at the screen 2020 from the front, it is possible to prevent the viewer E from being reflected on the screen reflection surface 2020a and to be reflected on the front side of the screen 2020. It is unnecessary to provide a curved cover for prevention.
  • the above-mentioned "visually reflected” means that external light, which is light outside the display device, reflects off the viewer E, then reflects off the screen reflecting surface 2020a and enters the eyes of the viewer E for viewing.
  • the screen reflecting surface 2020a has a flat shape contrary to the present embodiment, the external light traveling from the viewer E toward the screen reflecting surface 2020a is reflected as it is without being distorted, and is in the eyes of the viewer E. Incident. Then, the viewer E himself / herself is visually recognized, that is, reflected and viewed.
  • the screen reflection surface 2020a since the screen reflection surface 2020a has a curved shape, external light is distorted and reflected by the screen reflection surface 2020a. Therefore, the external light reflected by the viewer E itself is prevented from entering the eyes of the viewer E as it is, and reflection is suppressed.
  • the screen reflection surface 2020a has a shape curved around one virtual straight line V1. That is, the screen reflection surface 2020a has a shape curved in one direction. Therefore, the screen reflecting surface 2020a, that is, the screen 20 can be easily manufactured as compared with a shape curved in multiple directions such as a conical shape.
  • the extending direction of the virtual straight line V1 is the horizontal direction. That is, the screen reflection surface 2020a has a shape curved in the vertical direction. Therefore, external light that enters the vehicle interior from the front windshield 2012 of the vehicle 2010 and travels toward the display device is diffused vertically, so that the external light is reflected by the screen reflection surface 2020a and enters the eyes of the viewer E. This can be suppressed, and the viewer E can be prevented from feeling dazzling.
  • the display device is a liquid crystal that is optically connected to the surface side of the screen 2020 and displays an image using the first display light L1 transmitted through the screen 2020 as a backlight.
  • a panel 2060 is provided.
  • An image displayed on the liquid crystal panel 2060 is referred to as a liquid crystal panel image G3.
  • the liquid crystal panel 2060 is attached to the opening 2011 a of the instrument panel 2011 with the back surface of the liquid crystal panel 2060 being in contact with the surface of the screen 2020. Therefore, the liquid crystal panel image G3 is visually recognized by being superimposed on the first image G1 projected and displayed on the screen 2020.
  • the liquid crystal panel 2060 includes a TFT substrate 2061 holding a thin film transistor (TFT), a color filter substrate 2062, a liquid crystal layer 2063, and a pair of polarizing films 2064 and 2065.
  • TFT thin film transistor
  • the operation of the TFT is controlled by the ECU 2050.
  • the liquid crystal layer 2063 is disposed between the color filter substrate 2062 and the TFT substrate 2061.
  • the stacked color filter substrate 2062, the liquid crystal layer 2063, and the TFT substrate 2061 are disposed between a pair of polarizing films. Therefore, strictly speaking, the liquid crystal panel 2060 is attached to the instrument panel 2011 in a state where the polarizing film 2064 positioned on the back side of the liquid crystal panel 2060 is in contact with the protect layer 2023 of the screen 2020.
  • the polarizing films 2064 and 2065 transmit only light having a specific vibration direction (that is, a polarization axis) among incident light.
  • the polarization axes of the polarizing films 2064 and 2065 are orthogonal to each other.
  • the TFT substrate 2061 has a transparent electrode arranged for each pixel and a switching element that controls energization to the transparent electrode.
  • the color filter substrate 2062 includes a transparent electrode disposed opposite to the transparent electrode of the TFT substrate 2061 and a color filter disposed for each pixel. By controlling the operation of the switching element, each of the opposed transparent electrodes is provided with an alignment film.
  • the liquid crystal molecules of the liquid crystal layer 2063 located between the alignment films are in a molecular alignment state corresponding to the voltage between the transparent electrodes. Therefore, by controlling with the voltage between the transparent electrodes, the state of the liquid crystal layer 2063 is controlled, and the display state for each pixel is controlled.
  • the surface of the polarizing film 2065 located on the surface side of the liquid crystal panel 2060 is glossy, for example, glossy with a reflectance of 4 to 5%.
  • the reflectance is the ratio of the incident light from the viewer side of the polarizing film 2065 that is reflected without being absorbed.
  • the display surface of the liquid crystal panel 2060 in the present embodiment is a surface of the polarizing film 2065 formed in a glossy shape, and is hereinafter referred to as a liquid crystal panel reflection surface 2060a. That is, part of incident light (for example, 4 to 5%) from the viewer side of the liquid crystal panel 2060 is reflected to the viewer side on the liquid crystal panel reflecting surface 2060a.
  • the entire liquid crystal panel 2060 together with the screen 2020 has a curved shape as shown in FIG. Therefore, the liquid crystal panel reflecting surface 2060a is also curved.
  • the liquid crystal panel 2060 has a shape curved around one imaginary straight line V2 shown in FIG.
  • the direction in which the virtual straight line V2 extends is the horizontal direction in a state where the display device is mounted on the vehicle 2010, and coincides with the left-right direction of the vehicle, that is, the vertical direction in FIG.
  • the virtual image display 2040 is disposed on the surface side of the liquid crystal panel 2060, that is, on the viewer E side with respect to the liquid crystal panel 2060.
  • the virtual image display 2040 emits the second display light L2 from the surface side of the liquid crystal panel 2060 to the liquid crystal panel reflection surface 2060a.
  • the second display light L2 is emitted toward the surface side of the polarizing film 2065 of the liquid crystal panel 2060.
  • Part of the second display light L2 emitted from the virtual image display 2040 is reflected by the liquid crystal panel reflection surface 2060a and travels toward the viewer E.
  • the second display light L2 is visually recognized as a virtual image (second image G2) positioned on the back side of the screen 2020.
  • the first image G1 projected and displayed on the screen 2020, the second image G2 displayed as a virtual image, and the liquid crystal panel image G3 displayed on the liquid crystal panel 2060 are superposed and viewed.
  • the lower part of FIG. 51 is an aspect in which the first image G1, the second image G2, and the liquid crystal panel image G3 are displayed in a superimposed manner, and shows how the viewer E can see them.
  • the first image G1 includes a background image G11, a scale image G12, and a numerical image G13.
  • the pointer image is displayed as a liquid crystal panel image G3.
  • the pointer image which is the liquid crystal panel image G3 is displayed so as to rotate, and the pointer image points to the scale image G12.
  • the physical quantity is displayed.
  • the second image G2 and the liquid crystal panel image G3 are visually recognized by being superimposed on the background image G11 portion of the first image G1. That is, the background image G11, the second image G2, and the liquid crystal panel image G3 of the first image G1 are superimposed and displayed.
  • the display device includes the liquid crystal panel 2060 disposed in contact with the surface side of the screen 2020 in addition to the screen 2020, the projector 2030, and the virtual image display 2040 according to the ninth embodiment.
  • the liquid crystal panel 2060 displays the liquid crystal panel image G3 using the first display light L1 transmitted through the screen 2020 as a backlight.
  • the first display light L1 includes the first image G1, but as shown in FIG. 51, the arc region inside the scale image G12 of the first display light L1 and the numerical values of the numerical image G13.
  • the intervening region is a background component that does not include an interpretation image component such as a pattern, a figure, a number, or a character.
  • the liquid crystal panel image G3 is positioned in the background component region. Therefore, even if the liquid crystal panel image G3 is displayed by the background component from the arc region and the region between the numbers in the first display light L1, the liquid crystal panel image G3 is superimposed on the first image G1.
  • the image G3 is clearly visually recognized.
  • a color component is mentioned as an example, For example, they are achromatic colors, such as white, or chromatic colors, such as red and blue.
  • the virtual image display 2040 emits the second display light L2 and reflects it by the liquid crystal panel reflection surface 2060a. According to this, since the first display light L1 is projected onto the screen 2020 from the back side, the first image G1 is projected and displayed on the screen 2020. Then, the second display light L2 for displaying a virtual image is reflected by the liquid crystal panel reflecting surface 2060a of the liquid crystal panel 2060, and the liquid crystal panel 2060 is disposed in contact with the screen 2020.
  • the conventional half mirror disposed on the surface side of the liquid crystal panel 2060 with a space therebetween can be eliminated, so that the first image G1 can be avoided from being viewed with low luminance through the half mirror. Therefore, it is possible to avoid the first image G1 being viewed with low luminance while the virtual image is displayed by superimposing the second image G2 on the first image G1 and the liquid crystal panel image G3, while the stereoscopic image is viewed. .
  • the liquid crystal panel reflection surface 2060a is glossy. Therefore, the second image G2 displayed as a virtual image by reflection on the liquid crystal panel reflection surface 2060a can be displayed with a clear appearance.
  • the entire liquid crystal panel reflecting surface 2060a has a curved shape. Therefore, when the viewer E looks at the liquid crystal panel 2060 from the front, it is possible to prevent the viewer E himself from being reflected on the liquid crystal panel reflection surface 2060a and to be seen on the front side of the liquid crystal panel 2060. It is possible to eliminate the need to provide a curved cover for preventing reflection.
  • the liquid crystal panel reflection surface 2060a has a shape curved around one virtual straight line V2. That is, the liquid crystal panel reflection surface 2060a has a shape curved in one direction. Therefore, for example, the liquid crystal panel reflection surface 2060a, that is, the liquid crystal panel 2060 can be easily manufactured as compared with a shape curved in multiple directions such as a conical shape.
  • the extending direction of the virtual straight line V2 is the horizontal direction
  • the liquid crystal panel reflecting surface 2060a is curved in the vertical direction. Therefore, the external light that enters the vehicle interior from the front windshield 2012 and travels toward the display device is diffused in the vertical direction, so that the external light is reflected by the liquid crystal panel reflection surface 2060a and enters the eyes of the viewer E. It can suppress and it can suppress that the viewer E feels dazzling.
  • the screen reflection surface 2020a that reflects the second display light L2 is the surface of the protection layer 2023 included in the screen 2020.
  • the screen reflection surface 2020a according to the present disclosure is limited to the surface of the protection layer 2023. Is not to be done.
  • a predetermined sheet may be disposed in contact with the surface of the protective layer 2023, and the surface of the predetermined sheet may be used as the screen reflecting surface 2020a.
  • the predetermined sheet may be a half mirror.
  • the protection layer 2023 may be eliminated and the surface of the lenticular lens layer 2022 may be used as the screen reflection surface 2020a.
  • the lenticular lens layer 2022 may be eliminated and the surface of the Fresnel lens layer 2021 may be used as the screen reflection surface 2020a.
  • the liquid crystal panel reflection surface 2060a that reflects the second display light L2 is the surface of the polarizing film 2065 included in the liquid crystal panel 2060, but the liquid crystal panel reflection surface 2060a according to the present disclosure is the surface of the polarizing film 2065. It is not limited to the surface.
  • a predetermined sheet may be disposed in contact with the surface of the polarizing film 2065, and the surface of the predetermined sheet may be the liquid crystal panel reflecting surface 2060a.
  • the predetermined sheet may be a half mirror.
  • the predetermined sheet may be a protect layer that protects the polarizing film.
  • the entire display surface of the screen 2020 has a curved shape
  • the entire display surface of the liquid crystal panel 2060 has a curved shape
  • these display surfaces may include a curved portion having a curved shape and a flat portion having a flat shape, and may have a partially curved shape.
  • the screen reflection surface 2020a is required to be curved.
  • the display surface of the liquid crystal panel 2060 may have a flat shape as a whole and a shape that does not have a curved portion.
  • the entire screen reflection surface 2020a and the liquid crystal panel reflection surface 2060a are curved.
  • these reflecting surfaces may have a curved portion having a curved shape and a flat portion having a flat shape, and may have a partially curved shape.
  • the ECU 2050 controls the display content so as to switch between the first display mode in which the specific image included in the second image G2 is displayed on the flat portion and the second display mode in which the specific image is displayed on the curved portion. May be.
  • the first display mode and the second display mode may be switched by switching the display content by the second display light L2 so as to change the display position of the specific image with respect to the entire second image G2.
  • the first display mode and the second display mode may be switched by switching the direction in which the second display light L2 is emitted.
  • the projector 2030 that emits the first display light L1 from the liquid crystal panel is employed, but instead of the liquid crystal panel, the first display light L1 is scanned by scanning the laser beam.
  • a projector 2030 that emits light may be used.
  • the present disclosure is applied to the display device assembled to the instrument panel 2011 of the vehicle 2010.
  • an electronic mirror mounted on the vehicle 2010 is used. May be applied.
  • the electronic mirror is attached to the front windshield 2012 or the door trim, and displays an image imitating an image reflected on the mirror, and displays an image behind the vehicle.
  • the present disclosure is not limited to the display device mounted on the vehicle 2010, and may be a display device mounted on a home appliance such as a game machine such as a pachinko machine or a throttle, for example.
  • the screen reflection surface 2020a and the liquid crystal panel reflection surface 2060a have a shape curved around a virtual straight line extending in the horizontal direction, that is, a shape curved in the vertical direction.
  • the shape is curved in the longitudinal section shown in FIGS. 45 and 49 and flat in the transverse section.
  • the screen reflection surface 2020a and the liquid crystal panel reflection surface 2060a have a shape curved around a virtual straight line extending in the vertical direction, that is, a shape curved in the horizontal direction, and a flat shape in the longitudinal section of the display device, and
  • the shape may be curved in the cross section. Further, it may be a shape curved around a plurality of virtual straight lines whose directions are different from each other, that is, a shape curved in both a longitudinal section and a transverse section.
  • the curved reflection cover for preventing reflection is provided on the front side of the screen reflecting surface 2020a and the liquid crystal panel reflecting surface 2060a.
  • a curved cover for preventing reflection may be further provided while curving the screen reflecting surface 2020a and the liquid crystal panel reflecting surface 2060a.
  • the screen reflecting surface 2020a and the liquid crystal panel reflecting surface 2060a according to each of the above embodiments are curved shapes, but may be flat.
  • a projection display that has the screen 2020 and the projector 2030 and displays the projection on the screen 2020 is used as the display D that displays the first image G1.
  • a rear projector that projects the first display light L1 from the back side of the screen 2020 is used.
  • a front projector that projects the first display light L1 from the surface side of the screen 2020 may be used.
  • a liquid crystal display may be used instead of the projection display. In this case, the display light emitted from the liquid crystal display corresponds to the first display light L1, and the surface of the liquid crystal display reflects the second display light.
  • the screen 2020 of each of the embodiments described above has a configuration in which the entire surface thereof is light transmissive and projects an image component included in the first display light L1 from the projector 2030.
  • a specific pattern is engraved on the screen 2020 from the back side to the surface side at a predetermined depth, and light that does not include an image component is applied from the back side of the screen 2020 from the projector 2030.
  • a specific design may be displayed in a watermark.
  • the means and / or function provided by the ECU 2050 as the control device can be provided by software recorded in a substantial storage medium and a computer that executes the software, only software, only hardware, or a combination thereof.
  • the controller is provided by an electronic circuit that is hardware, it can be provided by a digital circuit including a number of logic circuits, or an analog circuit.
  • each section is expressed as S10, for example.
  • each section can be divided into a plurality of subsections, while a plurality of sections can be combined into one section.
  • each section configured in this manner can be referred to as a device, module, or means.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Instrument Panels (AREA)

Abstract

L'invention concerne un dispositif d'affichage, à bord d'un véhicule, qui est installé dans un véhicule et qui est pourvu : d'une partie d'affichage (10, 310, 410) qui affiche l'état du véhicule; d'un projecteur (50) qui projette des images; d'un élément de transmission (40, 240) qui est disposé davantage vers un côté de visualisation que la partie d'affichage et qui combine un contenu d'affichage d'état à partir de la partie d'affichage et un contenu d'affichage d'image qui a été projeté par le projecteur par la transmission du contenu d'affichage d'état vers le côté d'affichage d'image et par le fait de diriger le contenu d'affichage d'image vers le côté de visualisation. L'élément de transmission possède une couche à facteur de transmission variable (44, 244) qui change le facteur de transmission (Tf, Tfc Tfo).
PCT/JP2016/002542 2015-07-03 2016-05-26 Dispositif d'affichage à bord d'un véhicule WO2017006506A1 (fr)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP2015-134622 2015-07-03
JP2015134622 2015-07-03
JP2015-197775 2015-10-05
JP2015197775 2015-10-05
JP2016-029186 2016-02-18
JP2016029186A JP6354771B2 (ja) 2016-02-18 2016-02-18 表示装置
JP2016-040332 2016-03-02
JP2016-040333 2016-03-02
JP2016040333A JP6361673B2 (ja) 2015-10-05 2016-03-02 車両用表示装置
JP2016040332A JP6361672B2 (ja) 2015-07-03 2016-03-02 車両用表示装置

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WO2017006506A1 true WO2017006506A1 (fr) 2017-01-12

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JPH10186362A (ja) * 1996-12-27 1998-07-14 Sony Corp 液晶表示装置
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CN110809528B (zh) * 2017-06-30 2022-08-09 株式会社电装 车辆用显示装置、拍摄系统以及照明装置

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