JP6282567B2 - Vehicle display device - Google Patents

Description

  The present invention relates to a vehicle display device mounted on a vehicle.

  A display unit comprising a display that emits driving information such as traveling speed, and an optical member such as a lens that forms the driving information emitted from the display as a display image of a desired size at a desired position. A display device that forms a display image on the landscape at the desired position in front of the vehicle by irradiating the windshield with driving information emitted from the display device, embedded in the dashboard of the vehicle, is a head-up display. It is called and well known.

  For example, Patent Document 1 describes that when displaying guidance information or the like of a navigation device during speed display, the visibility of the guidance information is improved by displaying the interrupted guidance information in a large size.

JP 2003-345334 A

  However, in the case of the display method described in Patent Document 1, the guidance information is simply an arrow display, and information on the front-rear direction of the vehicle is unknown, so it is difficult to intuitively recognize the guided route.

  In view of the above-described problems, an object of the present invention is to provide a vehicle display device that can guide a route that is intuitive and easy to understand.

The invention according to claim 1, which has been made in order to solve the above problem, includes first guide information as a first virtual image on an observer's line of sight and a second virtual image below the first guide information. Display means for displaying the second guidance information, and the second virtual image is formed in the foreground as it goes downward, and the first virtual image forming surface and the second virtual image are formed. intersects and the surface, said first inductive information, a previous guide information than the second navigation information, the first guide information and said second induction information is continuously The vehicle display device is characterized by being displayed as described above.
The invention according to claim 2 is the invention according to claim 1, wherein the display means includes first display means for displaying the first virtual image, and second display means for displaying the second virtual image. , Characterized by having.
The invention according to claim 3 is the invention according to claim 1, wherein the display means is divided into a first part for displaying the first guide information and a second part for displaying the second guide information. And a refracting section for refracting the second guidance information displayed in the second portion is provided.

According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the display is gradually emphasized from the second guidance information toward the first guidance information. It is characterized by changing to.

According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, the display means includes a third virtual image as a third virtual image on the right and left sides of the first guidance information. In addition to displaying guidance information, the third guidance information is displayed on the right side of the first guidance information when the first guidance information is a right turn of the vehicle, and the first guidance information is turned to the left of the vehicle. In the case of, it is displayed on the left side of the first guidance information.

  As described above, according to the first aspect of the present invention, since the second virtual image is on the near side as it goes downward, the second guidance information can be displayed to make the viewer feel the depth. Further, since the first guidance information is guidance information ahead of the second guidance information, for example, information on the vehicle front-rear direction can be displayed in the second guidance information. Further, since the first guidance information and the second guidance information are displayed so as to be continuous, it is possible to guide an intuitive and easy-to-understand route.

  According to the second aspect of the invention, since the display gradually changes from the second guidance information to the first guidance information so that the display is emphasized, for example, the display is changed according to the position of the vehicle. Can be guided.

  According to the invention described in claim 3, the third guidance information is displayed on the right side of the first guidance information when the first guidance information is a right turn of the vehicle, and the first guidance information is displayed on the vehicle. Since the left turn is displayed on the left side of the first guidance information, the left turn or right turn guidance can be more emphasized.

It is a lineblock diagram of the head up display device concerning a 1st embodiment of the present invention. It is explanatory drawing of the example of an image | video display in the head-up display apparatus shown by FIG. It is explanatory drawing of the relationship between the 1st guidance information shown by FIG. 1, and 2nd guidance information. It is explanatory drawing of the other example of a video display in the head up display apparatus shown by FIG. It is explanatory drawing of the other example of a video display in the head up display apparatus shown by FIG. It is a block diagram of the head-up display apparatus concerning the 2nd Embodiment of this invention. It is explanatory drawing of the example of an image | video display in the head-up display apparatus shown by FIG. It is explanatory drawing of the example of an image | video display in the head-up display apparatus shown by FIG. It is explanatory drawing of the other example of a video display in the head-up display apparatus shown by FIG.

(First embodiment)
Next, a first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a configuration diagram (side view) of a head-up display device as a vehicle display device according to a first embodiment of the present invention.

  A head-up display (HUD) device 1 according to a first embodiment of the present invention is mounted on a vehicle such as an automobile, and includes a HUD main body 2 and a windshield 3 as shown in FIG.

  The HUD main body 2 as a display unit includes a display device 11, a display device 12, a display control unit 13, and an aspherical mirror 14. The HUD main body 2 is accommodated near the lower end of the windshield 3 of the instrument panel of the vehicle. Then, an image is projected from the projector 21 toward the windshield 3 and is seen through the windshield 3, and an image that is reflected by the windshield 3 and observed as virtual images V1 and V2 by the observer. , Is visually recognized. In addition, the code | symbol E of FIG. 1 has shown the eye point which is a driver | operator's (observer) eye position.

  The display 11 is configured by, for example, a TFT LCD (TFT liquid crystal display device), and displays an image displayed as the virtual image V1 based on a video signal, a synchronization signal, and the like input from the display control unit 13. The display 11 is arranged so that the display surface of the display 11 is perpendicular to the optical axis A.

  The display 12 is configured by, for example, a TFT LCD (TFT liquid crystal display device), and displays an image displayed as a virtual image V2 based on a video signal, a synchronization signal, and the like input from the display control unit 13. The display 12 is disposed above the display 11 so as to be inclined toward the aspherical mirror 14, and refracts the display light of the display 12 toward the aspherical mirror 14 on the surface of the display 12. A prism (not shown) is provided. The display 11 and the display 12 are not limited to the TFTLCD, and may be configured by an EL (Electro Luminescence) display, a screen, a projector, or the like.

  The display control unit 13 generates a video to be displayed on the display 11 and the display 12 based on the route guidance information input from the navigation device 15 and outputs it as a video signal, a synchronization signal, or the like. The display control unit 13 is configured by, for example, a microcomputer (microcomputer) incorporating a CPU (Central Processing Unit) and a memory.

  The aspherical mirror 14 enlarges and projects the image displayed on the display 11 and the display 12 onto the windshield 3.

  The windshield 3 is formed into a curved shape that is curved in the vertical and horizontal directions according to the outer diameter of the vehicle, using, for example, laminated glass, IR (infrared) cut glass, UV (ultraviolet) cut glass, or the like. . The windshield 3 transmits the line of sight of the driver in the passenger compartment, and the image projected from the HUD main body 2 reflects in the line of sight.

  In the HUD device 1 configured as described above, the virtual image V1 is displayed at a position sandwiching the windshield 3 on the observer's line of sight in front of the vehicle, and the virtual image V2 is viewed from the virtual image V1 below the virtual image V1. It is displayed to go to. That is, the position of the virtual image V2 is closer to the lower side. Therefore, the virtual image V2 is displayed so as to give the observer a sense of depth.

  Further, the navigation device 15 is connected to the HUD device 1 described above. As is well known, the navigation device 15 includes means for acquiring a current position such as a GPS (Global Positioning System) receiver, storage means such as a hard disk in which map information is stored, and a liquid crystal that displays a map, guidance information, and the like. Display means such as a display; and control means such as a CPU for searching for a route from the current position to the set destination. Then, a route to the destination is searched, and the above route is guided and guided based on the current position of the vehicle. The navigation device 15 outputs information on a route for guidance and guidance to the display control unit 13 as route guidance information.

  Next, video display in the HUD device 1 configured as described above will be described with reference to FIGS. FIG. 2A is a diagram schematically showing an arrow of video display in the HUD device 1, and FIG. 2B is a diagram schematically showing a side view of video display in the HUD device 1, respectively.

  In FIG. 2, information R1 and R2 indicating a road in the virtual image V1 and an arrow indicating a right turn as the first guidance information G1 are displayed superimposed on information R1 and R2 indicating a road. In addition, as the second guidance information G2 in the virtual image V2, rectangular segments S1, S2, and S3 are three-dimensionally displayed at intervals (displayed in the foreground toward the lower side). .

  As shown in FIG. 2 and the like, the first guide information G1 and the second guide information G2 are the first guide information G1 and the guide information ahead of the second guide information G2.

  As shown in FIG. 3, the first guidance information G1 and the second guidance information G2 (segments S1, S2, S3) are displayed (drawn) by a one-point disappearance method (also called a one-point perspective method). . That is, the side surfaces of the first guide information G1 and the segments S1, S2, and S3 are drawn so as to intersect at the vanishing point X. By doing so, it is possible to improve the feeling of immersion in the background and to show the observer as if the first guidance information G1 and the second guidance information G2 are continuous. That is, the first guidance information G1 and the second guidance information G2 are displayed so as to be continuous as a series of information.

  In FIG. 2, the display changes gradually from the segments S1, S2, and S3 toward the first guide information G1. That is, the display changes in the order of segment S1, segments S1 and S2, segments S1 and S2 and S3, segments S1 and S2 and S3, and first guidance information G1 from the top to the bottom of FIG. doing. Note that display enhancement may be performed by, for example, changes in luminance or color of the display 11 or the display 12.

  This highlighting changes based on the position of the vehicle on which the HUD device 1 is mounted. That is, the route guidance information input from the navigation device 15 includes information on the current position of the host vehicle. Alternatively, instead of the current position, a distance from a point where guidance is guided such as a right turn or a left turn may be acquired. Then, the display control unit 13 may determine an image (first guidance information G1 and segments S1, S2, and S3) to be emphasized based on the current position information and the distance from the guidance guided point.

  Note that the change in highlighting is not limited to change in units of guidance information as shown in FIG. As shown in FIG. 4, the first guide information G1 and the segments S1, S2, and S3 may be divided into a plurality of parts and changed. Alternatively, as shown in FIG. 5, the boundary between the emphasized portion and the non-emphasized portion may be displayed in gradation. That is, the number of divisions for gradually changing may be made fine. By doing in this way, the connection of the change of the highlight between each guidance information can be shown smoothly.

  According to the present embodiment, the HUD device 1 displays the first guidance information G1 as the first virtual image V1, and the second guidance information as the second virtual image V2 below the first virtual image V1. It has the HUD main body 2 displayed so that it may be in this side toward the lower side. Therefore, it is possible to display the information in the front-rear direction of the vehicle in the second guidance information G2, giving a sense of depth, and obtaining a sense of distance in the front-rear direction. Further, since the first guidance information G1 and the second guidance information G2 are displayed so as to be continuous by the one-point erasure method, an intuitive and easy-to-understand route can be obtained. Therefore, it can contribute to safer driving.

  Further, since the display changes gradually from the second guidance information G2 toward the first guidance information G1, the route can be guided with the traveling direction emphasized so as to gradually flow. Further, for example, the display can be changed according to the position of the vehicle.

  In the above-described embodiment, the display device 11 and the display device 12 are provided to display the first guide information and the second guide information, respectively. However, one display device includes the first guide information. May be divided and used as a portion for displaying the second guidance information and a portion for displaying the second guidance information. In this case, the display portion of the second guidance information may be refracted toward the aspherical mirror 14 by a prism, a lens, or the like to obtain the same effect as that of the tilted arrangement.

(Second Embodiment)
Next, a second embodiment of the present invention will be described with reference to FIGS. Note that the same parts as those in the first embodiment described above are denoted by the same reference numerals and description thereof is omitted. FIG. 6 is a configuration diagram (top view) of a head-up display device as a vehicle display device according to a second embodiment of the present invention.

  A head-up display (HUD) device 1 ′ according to the second embodiment of the present invention includes a HUD main body 2 ′ and a windshield 3 as shown in FIG. 2.

  In addition to the configuration shown in the first embodiment, a display 16 and a display 17 are added to the HUD main body 2 ′ as display means according to the present embodiment.

  The display 16 is composed of, for example, a TFT LCD (TFT liquid crystal display device), and an image displayed as a virtual image V3 as a third virtual image based on a video signal or a synchronization signal input from the display control unit 13. Is displayed. The display 16 is disposed on the right side of the display 11 so as to be inclined toward the aspherical mirror 14, and refracts the display light of the display 12 toward the aspherical mirror 14 on the surface of the display 16. A prism (not shown) is provided.

  The display unit 17 is configured by, for example, a TFTLCD (TFT liquid crystal display device), and an image displayed as a virtual image V4 as a third virtual image based on a video signal, a synchronization signal, or the like input from the display control unit 13. Is displayed. The display unit 17 is disposed on the left side of the display unit 11 so as to be inclined toward the aspherical mirror 14, and refracts the display light of the display unit 17 toward the aspherical mirror 14 on the surface of the display unit 17. A prism (not shown) is provided.

  In the case of the HUD device 1 ′ of this embodiment, in addition to the virtual image V1 and the virtual image V2 (not shown in FIG. 6), the virtual image V3 is displayed on the right side of the virtual image V1, and the virtual image V4 is displayed on the left side of the virtual image V1. Is possible. The virtual image V3 is displayed in the foreground as it goes to the right. The virtual image V4 is displayed in the foreground as it goes to the left. Therefore, the virtual image V3 and the virtual image V4 are displayed so as to give the observer a sense of depth.

  In this embodiment, the virtual image V3 or the virtual image V4 is displayed depending on whether the route guidance information is a right turn or a left turn. That is, the virtual image V3 is displayed when turning right, and the virtual image V4 is displayed when turning left.

  FIG. 7 is a display example according to the present embodiment. FIG. 7A is a diagram schematically showing an arrow view, and FIG. 7B is a diagram schematically showing a top view. Since FIG. 7 is an example in the case of a right turn, the third guidance information G3 is displayed in the virtual image V3. In the case of a left turn, the only difference is that the third guide information G3 is displayed on the virtual image V4, and the other points are the same. In FIG. 7, the virtual image V1 and the virtual image V2 are the same as those in the first embodiment.

  In FIG. 7, rectangular segments S4, S5, and S6 are three-dimensionally displayed as the third guidance information G3 in the virtual image V3 with a space between them (so that the viewer is closer to the viewer toward the right side). It is a display that makes you feel.) Note that the third guidance information G3 (segments S4, S5, S6) may also be displayed (drawn) by the single point disappearance method.

  Further, as shown in FIG. 8, the third guidance information G3 may be displayed immediately before the right turn point, or as shown in FIG. 9, when the route guidance information is displayed (second From the start of display of the guidance information G2) until the right turn is completed.

  Further, the third guidance information G3 may be gradually highlighted as with the second guidance information G2.

  According to the present embodiment, the third guidance information G3 is displayed on the right side of the first guidance information G1 when the first guidance information G1 is a right turn of the vehicle, and the first guidance information G1 is the left turn of the vehicle. In the case of, since it is displayed on the left side of the first guidance information G1, the guidance of the left turn or the right turn can be emphasized more.

  Moreover, since the 3rd guidance information G3 displayed in the case of a right turn becomes the display which is on the near side toward the right side, it can emphasize that it is a right turn toward the advancing direction more.

  In the above-described embodiment, the display 11, the display 16, and the display 17 are provided to display the first guidance information and the third guidance information, respectively. A configuration may be used in which the portion for displaying the first guide information and the portion for displaying the third guide information are used separately. In this case, the display portion of the third guidance information may be refracted toward the aspherical mirror 14 by a prism, a lens, or the like to obtain the same effect as that of the tilted arrangement. Of course, the second guidance information may also be included in one display.

  The present invention is not limited to the above embodiment. That is, those skilled in the art can implement various modifications in accordance with conventionally known knowledge without departing from the scope of the present invention. Of course, such modifications are included in the scope of the present invention as long as the configuration of the vehicle display device of the present invention is provided.

1, 1 'HUD device (vehicle display device)
2, 2 'HUD body (display means)
G1 1st guidance information G2 2nd guidance information G3 3rd guidance information

Claims (5)

Display means for displaying the first guidance information as the first virtual image on the line of sight of the observer and the second guidance information as the second virtual image below the first guidance information;
The second virtual image is formed in front toward the lower Rutotomoni, forming surface of the second virtual image intersects the forming surface of the first virtual image,
The first guidance information is guidance information prior to the second guidance information, and the first guidance information and the second guidance information are displayed so as to be continuous.
A display device for a vehicle.   The vehicle display device according to claim 1, wherein the display unit includes a first display unit that displays the first virtual image and a second display unit that displays the second virtual image. .   The said display means is divided | segmented into the 1st part which displays 1st guidance information, and the 2nd part which displays 2nd guidance information, The said 2nd guidance information displayed on the said 2nd part The vehicle display device according to claim 1, further comprising a refracting portion that refracts the light.   4. The vehicular display device according to claim 1, wherein the display changes gradually from the second guidance information toward the first guidance information. 5. . The display means displays third guidance information as a third virtual image on the right and left sides of the first guidance information,
The third guidance information is displayed on the right side of the first guidance information when the first guidance information is a right turn of the vehicle, and the first guidance information is displayed when the first guidance information is a left turn of the vehicle. Displayed on the left side of the guidance information,
The vehicular display device according to any one of claims 1 to 4, wherein the vehicle display device is a vehicular display device.

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