JP2003137005A - Display for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a combination meter 1 capable of simultaneously performing a display for an operator's seat and a display for a front passenger's seat by selectively using a liquid crystal panel 20 as one display in the combination meter 1 as a display device for a vehicle. SOLUTION: Two display information are simultaneously displayed on the liquid crystal panel 20, i.e., an image 11 for operator's seat as first display information is displayed so that only an operator D can view the image and an image 12 for front passenger's seat as second display information is displayed so that only a front passenger A as a passenger other than the operator can view the image. A controller 55 as a first operating means for operating the display of the image 12 for front passenger's seat is installed at a position where the operator D can easily operate the controller. By this, the combination meter 1 capable of simultaneously displaying individual information for both the operator D and the front passenger A can be provided. Also the operator D can be prevented from being dazzled by the reflected virtual image of the image 12 for front passenger's seat focused on a front passenger's seat window 94.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle display device suitable for use in an automobile or the like.

[0002]

2. Description of the Related Art As a conventional technique relating to a vehicle display device, there is one disclosed in Japanese Patent No. 2676813. This is because the display image of the display is divided into a large number in the vertical direction, and these are divided into a display for the right eye and a display for the left eye, and a vertical light-shielding layer is provided on the front side of the display to display the left eye for the right eye. 3D display is realized by visually recognizing only the left eye display and the left eye display. On the other hand, in recent years, in a vehicle display device installed in an automobile, it is possible to display a content different from the display for the driver to an occupant other than the driver, for example, an occupant in the passenger seat next to the driver. Is being considered. As a method of realizing this, it is conceivable to install a display for passengers other than the driver in front of the passenger seat.

[0003]

However, in general, a glove box and an airbag for a passenger seat are installed in front of the passenger seat, and it is difficult to install an indicator. Further, the additional installation of the display increases the cost.

Therefore, in order to deal with such a situation, the present invention focuses on the fact that different display information can be obtained depending on the angle of the line of sight in the above-mentioned stereoscopic display device, and by using one display device properly, It is an object of the present invention to provide a display device for a vehicle, which can perform a display for a driver's seat and a display for a passenger's seat at the same time.

[0005]

In order to achieve the above object, the present invention employs the following technical means.

In the vehicular display device according to the first aspect of the present invention, the flat display area is divided into a first display area and a second display area, and the first and second display areas are divided into these display areas. On the other hand, a display device for displaying the first display information and the second display information, respectively, and a light provided according to the angle of the occupant's line of sight, which is provided on the display surface side of the display device and extends from the front side of the display device toward the display area. And a second display area from the front passenger side while the driver can see the first display information displayed in the first display area through the light shielding means. It is configured so that the second display information displayed on the screen can be seen. Thereby, the driver's seat display and the passenger's seat display can be displayed at the same time.

A vehicle display device according to a second aspect of the present invention creates first display information and second display information, and individually controls display of the first and second display areas of the display. The control means is provided. Thereby, the driver's seat display and the passenger's seat display can be displayed at the same time.

A vehicle display device according to a third aspect of the present invention has first and second sound generating means, and the control means controls the display to display the first and second display information. Along with
The first and second sound generating means are configured to generate sound information corresponding to the first and second display information, respectively. As a result, the information can be transmitted both visually and audibly, so that the driver can surely recognize the first display information and the passenger occupant can surely recognize the second display information.

A vehicle display device according to a fourth aspect is the second
The first operation means for operating at least one of the display of the display information and the operation of the second sound generating means is provided. Thereby, when unnecessary, at least one of the display of the second display information and the operation of the second speaker is stopped,
Obstruction to the driver's sight and hearing can be eliminated.

According to the fifth aspect of the present invention, there is provided the vehicle display device including the second operation means for operating at least one of the display content of the second display information and the operation of the second sound generating means. As a result, the display content of the second display information can be switched or the operation of the second sound generating means can be stopped as necessary.

According to another aspect of the vehicle display device of the present invention, the first operating means is arranged so that it can be operated by the driver. As a result, the driver can stop the display of the second display information and the second voice output as necessary.

In the vehicle display device according to the seventh aspect, the second operating means is arranged so that an occupant other than the driver can operate it. Thereby, an occupant other than the driver can switch the display content of the second display information or stop the second voice output as necessary.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION A case where a vehicle display device according to the present invention is applied to an automobile combination meter will be described below with reference to the drawings.

FIG. 1 is a perspective external view showing a mounted state of a combination meter 1 which is a vehicle display device. FIG. 2 is an enlarged partial sectional view of a section taken along line II-II of FIG.

As shown in FIG. 1, the combination meter 1 includes a dash panel 90 provided below a windshield 93 of an automobile, at a substantially intermediate position between a driver's seat 91 and a passenger seat 92. It is arranged so that it can be easily seen. The combination meter 1
A liquid crystal panel 20 is provided which is a flat panel display for displaying various information and making it visible to the driver and passengers other than the driver.

The display surface of the liquid crystal panel 20 is composed of a plurality of strip-shaped portions 21 and 22 (first and second display areas) extending in the vertical direction (the direction perpendicular to the paper surface in FIG. 2) with a constant width. The strip-shaped portions 21 and 22 are alternately arranged as shown in FIG. Each of the strips 21 and 22 is connected to a liquid crystal control device 50 which constitutes a control means which will be described later, and is driven by the liquid crystal control device 50 so that each strip 21 displays the driver seat image 11 which is the first display information. Displayed, each strip 2
At 2, a passenger seat image 12 that is the second display information is displayed. That is, the image 11 for the driver's seat is formed as an aggregate of the strips 21 and the image 12 for the passenger seat is formed as an aggregate of the strips 22. Then, due to the action of the transparent cover 30 which forms a light-shielding means described later, the driver seat image 11 displayed on each strip 21 is displayed to the driver, and the passenger image 12 displayed on each strip 22 is the passenger occupant. In addition, each is selectively viewed.

The front side of the liquid crystal panel 20 (driver's seat 9
As shown in FIG. 2, the transparent cover 30 is disposed on the first side). The transparent cover 30 includes light-shielding bands 31, 3 on both front and back surfaces of a sheet portion 33 made of transparent polycarbonate or the like.
It is formed by providing 2. That is, the light-shielding band 31 is provided on the back surface of the sheet portion 33 (on the liquid crystal panel 20 side).
A light-shielding band 32 is provided on the surface of 3 (on the side of the driver's seat 91) by printing or hot stamping matte black paint in a band shape. Further, as shown in FIG. 2, the width d of each of the light-shielding bands 31 and 32 is equal to that of each band-shaped portion 21 of the liquid crystal panel 20.
The width is the same as the width d of 22, and the light-shielding bands 31 and 32 are formed at equal intervals in the left-right direction (the left-right direction on the paper in FIG. 2) at the same interval d as the width d.
Between them are light passage ports 31a and 32a. And
The light-shielding bands 31 and 32 on the front and back sides of the sheet portion 33 are formed by shifting the formation position in the left-right direction by 1/2 pitch, that is, d / 2.

Here, the driver's seat image 11, which is the first display information visually recognized by the driver, is various information relating to the operating state of the vehicle, such as vehicle speed, engine speed, cooling water temperature, residual fuel amount, etc. Is. The image 12 for the passenger seat, which is the second display information visually recognized by the passenger in the passenger seat, is an electronic device capable of outputting a video signal in addition to the image 11 for the driver seat described above.
For example, it is an image from a television receiver, a game machine, or the like.

Next, the separating action of the driver seat image 11 and the passenger seat image 12 on the liquid crystal panel 20 will be briefly described.

As shown in FIG. 2, each light passage opening 31a, 3a
Line R connecting 2a to the right, that is, toward the driver's seat 91
Corresponds to the line connecting the strip 21 and the eyes of the driver D. That is, the light emitted from the belt-shaped portion 21 displaying the driver's seat image 11 passes through the light passage openings 31a and 32a and enters the eyes of the driver D. Further, the light emitted from the band-shaped portion 22 displaying the passenger seat image 12 is blocked by the light-blocking bands 31 and 32 and does not enter the eyes of the driver D. On the other hand, each light passage port 31
The line L connecting the a and 32a to the left coincides with the line connecting the belt-shaped portion 22 and the passenger A's eyes. That is, the light emitted from the band-shaped portion 22 displaying the passenger seat image 12 passes through the respective light passage openings 31a and 32a and enters the eyes of the passenger seat occupant A. Further, the light emitted from the belt-shaped portion 21 that displays the image 11 for the driver's seat is blocked by the light-shielding bands 31 and 32, and thus does not enter the eyes of the passenger A of the passenger seat. Therefore, the driver D selectively visually recognizes only the driver's seat image 11 formed by assembling the belt-shaped portions 21, and at the same time, the passenger seat occupant A for the passenger seat formed by the belt-shaped portions 22 is formed. The image 12 will be selectively viewed. With the above configuration, one liquid crystal panel 2
0 is used to display the driver's seat image 11 and the passenger's seat image 12 separately, and the driver D is provided with the driver's seat image 11 and the passenger A is provided with the passenger's seat image 12 respectively. It becomes possible to make it visible individually.

Next, the electric circuit configuration of the combination meter 1 described above will be described. FIG. 3 shows an electric circuit configuration diagram of the combination meter 1 according to the embodiment of the present invention.

A liquid crystal control device 50 forming a comprehensive control means.
The battery 80 is constantly supplied with electric power, and an ignition switch 70, various sensors 61 to 64 for detecting the state of the vehicle, and a liquid crystal panel 20 are connected to the vehicle.
Here, the various sensors 61 to 64 are a vehicle speed sensor 61, an engine rotation sensor 62, a water temperature sensor 63 for detecting the engine cooling water temperature, a remaining fuel amount, that is, a liquid level sensor for detecting the fuel liquid level in the fuel tank. 64. The liquid crystal control device 50 drives the liquid crystal panel 20 based on the electric signals from the various sensors 61 to 64 to display various information on the liquid crystal panel 20. The liquid crystal control device 50 is
A control unit 53 for processing the electric signals from the various sensors 61 to 64 and displaying them on the liquid crystal panel 20, and a signal from the control unit 53 is converted into an image 11 signal for the driver's seat to drive the belt-shaped portion 21, and the driver's seat Driver 12 for driving the first speaker 41 (first sound generating means) that outputs the first sound corresponding to the video 11 for the driver, and the signal from the controller 53 to the video 12 signal for the passenger's seat. To the driving section 52 for driving the belt-shaped section 22 and driving the second speaker 42 (second sound generating means) which outputs the second sound corresponding to the image 12 for the passenger side. It is configured. Further, a television receiver 54, which is an electronic device capable of outputting a video signal of another passenger seat image 12, is connected to the control unit 53, and the output signal is sent to the belt-shaped portion 22 via the passenger seat drive unit 52. To drive. Further, the controller 53 is connected to a controller 55 as a first operating means for operating the display of the passenger seat image 12 and the operation of the second speaker. By operating the controller 55, the display of the passenger seat image 12 and the operation of the second speaker can be controlled independently or simultaneously. The controller 55 is the driver D
Is installed at a position where it can be operated, for example, on the steering column 95. Therefore, when the driver D is dazzled by the reflected virtual image formed by reflecting the passenger seat image 12 on the passenger seat window 94 at night or the like, the driver D can easily operate the controller 55 to assist the passenger. It is possible to erase the seat image 12 and secure the field of view. Also, when the sound emitted from the second speaker disturbs the noisy driving operation,
Similarly, the controller 55 can be operated to easily silence the second speaker. Further, the controller 53 is connected to the controller 56 as a second operation unit for switching the display content of the passenger seat image 12, displaying the passenger seat image 12, and operating the second speaker. . By operating the controller 56, the display content of the passenger seat image 12 can be switched, and the display of the passenger seat image 12 and the operation of the second speaker can be controlled independently or simultaneously. The controller 56 is installed at a position where the passenger A can operate, for example, on the dash panel 90 in front of the passenger seat 92. Therefore, the passenger A can easily view the passenger seat image 1
2 contents are switched (the same as the driver's seat image 11 and the program image by the television receiver 54 are switched),
When unnecessary, the display of the passenger seat image 12 and the operation of the second speaker can be stopped.

Next, the operation of the combination meter 1 according to the embodiment of the present invention described above will be described.

(1) Ignition switch 70 is turned on
In the case of state.

The ignition switch 70 is in the ON state,
That is, when the automobile is in the operating state, the vehicle information image as shown in FIG. 4 is displayed on the liquid crystal panel 20 as the driver seat image 11 visually recognized by the driver D. That is, the speedometer 11, the tachometer 12, the water temperature gauge 13, and the fuel gauge 14 are displayed on the liquid crystal panel 20. Each instrument 11-14
It is displayed by the liquid crystal control device 50 driving the liquid crystal panel 20 based on the output signals from the vehicle speed sensor 61, the engine rotation sensor 62, the water temperature sensor 63, and the liquid level sensor 64, respectively. Here, speedometer 11, tachometer 12,
The water temperature gauge 13 and the fuel gauge 14 are instructed by rotating the pointers 11a, 12a, 13a, 14a as in the conventional pointer gauge. However, the pointers 11a, 12a, 13a, 14a are displayed as an image on the liquid crystal panel 20.

Here, when something abnormal occurs in the operating state of the automobile, for example, when overheating occurs or the residual fuel amount becomes less than a predetermined amount, the water temperature gauge 13 or At the same time that the display color of the fuel gauge 14 changes or blinks, the first speaker 41
A warning sound or a synthetic voice is emitted from the second speaker 42. As a result, the driver and other occupants can be made sure to recognize the occurrence of the abnormal situation both visually and auditorily. On the other hand, the passenger seat image 12 visually recognized by the passenger A is the same as the driver seat image 11 in the normal state,
That is, an image as shown in FIG. 4 is displayed on the liquid crystal panel 20. Here, the passenger A is the controller 56
When is operated, the program image from the television receiver 54 is displayed as the passenger seat image 12 this time. That is, the passenger seat occupant A can switch the contents of the passenger seat image 12 by operating the controller 56 as necessary.

(2) The ignition switch 70 is OF
In the case of F state.

In this case, nothing is displayed on the liquid crystal panel 20.

(3) The ignition switch 70 is AC
In case of C position.

In this case, when the controllers 55 and 56 are operated, the program image from the television receiver 54 is displayed on the liquid crystal panel 20 as the driver seat image 11 and the passenger seat image 12. That is, the ignition switch 70 is ACC
In the case of the position, the driver also receives the TV receiver 5
It is possible to watch the program video from No. 4.

(4) Ignition switch 70 is turned on
If done.

The state of the above (3), that is, the liquid crystal panel 2
When the ignition switch 70 is turned on by the driver D while the program image from the television receiver 54 is displayed as the driver's seat image 11 on the display 0, the driver seat image 11 displayed on the liquid crystal panel 20 is immediately displayed. The vehicle information image as shown in 4 is automatically switched.

In the combination meter 1 according to the embodiment of the present invention described above, two pieces of display information, that is, the first display information, are simultaneously displayed on the liquid crystal panel 20 which is a display.
The driver's seat image 11 which is the display information is displayed only by the driver D, and the passenger seat image 12 which is the second display information is displayed so that only the passengers other than the driver, that is, the passenger seat occupant A can visually recognize it. It is configured to be. Accordingly, it is possible to realize the combination meter 1 capable of simultaneously displaying individual display information for each of the driver D and the passenger A in the passenger seat.

The first speaker 41 for outputting the first sound corresponding to the driver seat image 11 and the passenger seat image 12 are also provided.
And a second speaker 42 that outputs a second sound corresponding to the above. As a result, information can be transmitted both visually and aurally, so that the driver D and passenger A
In addition, the driver seat image 11 and the passenger seat image 12 can be reliably recognized.

The display of the passenger seat image 12 and the second display
The controller 55, which is the first operating means for independently or simultaneously controlling the operation of the speakers of, is located at a position where the driver D can operate, for example, the steering column 9
5 was installed. Accordingly, when the driver D is dazzled by the reflected virtual image formed by reflecting the passenger seat image 12 on the passenger seat window 94 at night or the like, the driver D can easily operate the controller 55. It is possible to turn off the passenger seat image 12 and secure the field of view. Further, even when the sound produced by the second speaker disturbs the noisy driving operation, the controller 55 can be similarly operated to easily silence the second speaker.

Further, the controller 56 which is the second operating means for controlling the display contents of the passenger seat image 12, the display of the passenger seat image 12 and the operation of the second speaker.
At a position where the passenger A can operate, for example, the passenger seat 9
2 Installed on the front dash panel 90. As a result, the passenger A can switch the contents of the passenger seat image 12 as needed (the vehicle information image, which is the driver seat image 11 as shown in FIG. 4 and the program image by the TV receiver 54). (Switching), and the display of the passenger seat image 12 and the operation of the second speaker can be stopped when unnecessary.

In the combination meter 1 according to the embodiment of the present invention, the liquid crystal panel 20 is used as a display, but other display, for example, a flat panel type CRT (which can display different images at the same time). CRT) may be used.

Further, in the combination meter 1 according to the embodiment of the present invention, the occupants other than the driver D are the passenger occupants A, and the second display information is the passenger seat image 12, but other than the driver D. 2nd passenger is the rear passenger
The display information may be displayed so that the passenger in the rear seat can visually recognize it.

Further, in the combination meter 1 according to the embodiment of the present invention, the driver seat image 11 includes a speedometer 11, a tachometer 12, a water temperature gauge 13, and a fuel gauge 14.
Is displayed, one or more of them may be omitted, or other displays such as a shift position indicator of an automatic transmission and a thermometer outside the vehicle may be added.

[Brief description of drawings]

FIG. 1 is a perspective external view showing a mounted state of a combination meter 1 according to an embodiment of the present invention.

FIG. 2 is an enlarged partial sectional view of a section taken along line II-II of FIG.

FIG. 3 is an electric circuit configuration diagram of the combination meter 1 according to the embodiment of the present invention.

FIG. 4 is a front view of the driver's seat image 11 in the combination meter 1 according to the embodiment of the present invention.

[Explanation of symbols]

1 Combination meter (vehicle display device) 11 Driver's seat video (first display information) 12 Passenger seat image (second display information) 20 LCD panel (display) 21 Band-shaped part (first display area) 22 Strips (second display area) 30 Transparent cover (shading means) 31 Light-shielding part 31a Light passage opening 32 Light-shielding part 32a Light passage opening 41 first speaker (first sound generating means) 42 second speaker (second sound generating means) 50 Liquid crystal control device (control means) 51 Driver's seat drive 52 Drive for passenger seat 53 Control unit 54 TV receiver 55 controller (first operation means) 56 controller (second operating means) A passenger occupant D driver L line R line

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) G09F 9/00 313 G09F 9/00 313 5G435 9/35 9/35 (72) Inventor Masaoka Kataoka Aichi Prefecture Kariya City, Showamachi 1-1 Chome DENSO Co., Ltd. (72) Inventor Ryoichi Nishikawa Kariya, Aichi Prefecture Showamachi 1-1 Chome, DENSO (72) Inventor Akihiko Inoue Kariya City Aichi Prefecture Showamachi 1-chome Address 1 In stock company DENSO (72) Inventor Toshiyasu Asai 1-chome, Showa-machi, Kariya city, Aichi F-term in stock company DENSO (reference) 2F041 AA01 SA08 2H088 EA23 HA14 MA20 2H091 FA34X FD04 LA30 3D044 BA03 BA21 BA26 BA27 BB01 BD02 5C094 AA01 BA43 HA05 5G435 AA01 BB12 FF13 LL17

Claims (7)

[Claims] 1. A flat display area is divided into a first display area and a second display area, and first display information and second display information are provided for the first and second display areas, respectively. And a light-shielding unit that is provided on the display surface side of the display unit and that limits the light transmission state according to the angle of the occupant's line of sight from the front side of the display unit toward the display area. , The first display information displayed in the first display area can be seen from the driver side through the light shielding means,
The display device for a vehicle, wherein the second display information displayed in the second display area is visible from a passenger seat side. 2. A control means for creating the first display information and the second display information and individually controlling the display of the first and second display areas of the display. The vehicle display device according to claim 1. 3. A first and a second sound generating means, wherein the control means controls the display to display the first and second display information, and the first and second sound generating means. The vehicle display device according to claim 2, wherein sound information corresponding to the first and second display information is generated by a sound generating means. 4. A first operation for operating at least one of a display of the second display information and an operation of the second sound generating means.
The vehicle display device according to any one of claims 1 to 3, further comprising: 5. The vehicle according to claim 4, further comprising second operation means for operating at least one of the display content of the second display information and the operation of the second sound generating means. Display device. 6. The vehicle display device according to claim 4, wherein the first operating means is arranged so that a driver can operate it. 7. The vehicle display device according to claim 5, wherein the second operation means is arranged so that an occupant other than the driver can operate the second operation means.