JP2003127711A - Display device for use in vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device for use in a vehicle, which automatically gets rid of soil, such as dust or finger print, sticking to a display part, and prevents material differences resulting from soil accumulation or errors caused by secular change. SOLUTION: The display device comprises a body 10 placed in a prescribed space in a vehicle room, the display part 12 supported in the body 10 to be able to come out of it and raising a display for displaying a prescribed information when the display part is exposed outside, a sensor 14a for detecting and controlling the coming-out move of the display part 12 in the body 10, a touch panel 12a fitted on the display of the display part 12 for making it possible for an operator to input information displayed on part of the panel by touching the part, and a cleaning part 16 controlled by the sensor 14a in the body 10 when the display part 12 comes out of the body 12 so as to automatically come in contact with and clean the touch panel surface of the display part 12. The body 10 further includes a pair of adjusting part 18a, 18b, which operates under the control by the sensor 14a upon exposing of the display part 12 to come in contact with the surface of the touch panel 12a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle-mounted display device.

[0002]

2. Description of the Related Art Conventionally, in a vehicle-mounted display device, a main body is arranged in a limited narrow space such as a console box and a dashboard in a vehicle compartment, and a display section for displaying information such as image information appears and disappears from the main body. The structure that makes it known is well known. FIG. 9 is a diagram showing a conventional in-vehicle display device in which such a display unit is projected and retracted. Further, FIG. 10 is a diagram showing an internal structure of the vehicle-mounted display device shown in FIG. 9. Also,
FIG. 11 is a view showing the retracting operation of the display unit 42 shown in FIG. 9, and FIG. 11A shows a state in which the display unit 42 is stored.
FIG. 11B shows a state in which the display unit 42 is exposed.
Each of (c) shows a state in which the display unit 42 is started up. FIG. 12 is a diagram showing a display state when the touch position of the display unit 42 shown in FIG. 9 is adjusted.

As shown in FIG. 9, a conventional vehicle-mounted display device has a main body 40 placed in a limited narrow space such as a console box and a dashboard in a vehicle compartment, and an external body supported in the main body 40. It is provided so that it can appear in and out of the body 4
A display unit 42 that raises a display surface that displays predetermined information when exposed to the outside from inside 0. The display unit 42 is provided with an opening 40a on the front surface of the main body 40, and is provided with a button 40b for exposing the front from the inside of the opening 40a to raise the display surface and a retracting mechanism 44.

Further, in the main body 40, as shown in FIG. 10, a motor 44c for giving a driving force to a retractable mechanism 44 which exposes the display section 42 in conjunction with the operation of a button 40b.
And a guide 44d for guiding and sliding the display section 42 by the driving force of the motor 44c. And
In the main body 40, the retractable mechanism 44 has an optical sensor 44a.
Is mounted and the sensor 44a reads the sensor reflection plate 44b in the main body 40 to detect the position of the display section 42, thereby controlling the drive of the motor 44c.

In the conventional on-vehicle display device having such a structure, as shown in FIG. 11A, when the display section 42 is exposed to the outside from the housed state, first, the button 40b on the front surface of the main body 40 is used. Press. This allows the body 40
When the button 40b is pressed, the motor 44c (see FIG.
0), and the retracting mechanism 44 moves the guide 44d (see FIG. 1).
0)) and slide the display unit 42 along the direction shown in FIG.
As shown in, the display unit 42 is exposed to the outside front. At this time, in the main body 40, the optical sensor 44a shown in FIG.
2 position is detected and the motor 44 is detected based on the detected information.
By controlling the drive of c, the display unit 42 can be stopped at the predetermined exposure position shown in FIG. After that, as shown in FIG. 11C, the display unit 42 rotates the tip to the upper side (manually or automatically) while being exposed to the front from the inside of the main body 40 by the retracting mechanism 44, so that the user can It can be launched so that the display surface can be seen. The display unit 4
No. 2 reduces the occupied space in the passenger compartment by pressing the button 40b again and storing it in the main body 40 after the user has used it.

By the way, in the conventional vehicle-mounted display device, for example, information such as a vehicle-mounted navigation map screen or a television screen is displayed on the display unit 42, and the user usually has an opportunity to touch the display unit 42. Although not so many, in recent years, a touch panel (not shown) is provided on the display surface of the display unit 42 in order to mainly give a navigation operation instruction on the screen. In such a touch panel type display unit, since the user's finger touches the main body 40 by putting it in and out from the main body 40 for each operation, it is important to surely prevent an error due to an individual difference or an aging change. Therefore, in the conventional vehicle-mounted display device, as shown in FIG.
The display 42 displays an adjustment screen for adjusting the touch position to correct the error. In this display section 42, two specific points which are diagonal end points on the screen, that is, E section and F section shown in FIG.
By recording the sensor output such as the voltage value at that time and calculating the error due to individual difference and aging change during operation from this output value to correct the touch position, the display and the touch position are misaligned and the operation is difficult Was being prevented.

As described above, in the conventional vehicle-mounted display device,
The display unit 42 is provided so as to be housed in the main body 40 to reduce the occupied space in the passenger compartment except when in use, and the adjustment screen is displayed on the display unit 42 so that the user can touch the display unit 42 to change the individual difference or secular change. The error is calculated so that the touch position can be surely corrected.

[0008]

However, in the conventional vehicle-mounted display device, as shown in FIG.
As the display section 42 is used by protruding and retracting the display section 42 from the inside, dust and the like are attached to the display surface to make it difficult to see the screen.
In the case of the touch panel method shown in FIG. 12, in addition to dust, dirt such as fingerprints adheres, so that there is a problem that the user himself needs to occasionally remove the dirt by using a cleaning cloth or the like.

Further, in the conventional vehicle-mounted display device, in particular,
In the case of a touch panel that uses a sensor such as a resistive film type that has individual differences or changes over time, misalignment may cause unintended operation by the user and complicate the position adjustment operation. Since it is necessary to input a different position, a larger error may occur due to incorrect input adjustment due to the above-mentioned adjustment error.
The present invention solves such a problem, and provides a vehicle-mounted display device that automatically removes dirt such as dust and fingerprints attached to a display unit, and at the same time prevents an error in individual difference and secular change due to dirt. To aim.

[0010]

In order to solve the above-mentioned problems, the present invention is provided with a main body which is placed in a predetermined space in a vehicle compartment, and is supported inside the main body so that the main body can be retracted to the outside. Equipped with a display unit that has a display surface that displays predetermined information when exposed from the inside to the outside, and has a sensor that detects and controls the retracting operation of the display unit inside the main body, and is integrated with the display surface of the display unit. A touch panel that allows you to input the information displayed on that part by touching the display surface is also provided.When the display part appears and disappears in the main body, it is controlled by the sensor inside the main body and automatically A cleaning unit that contacts the touch panel surface to clean the touch panel surface.

Here, the cleaning unit is arranged at one end side in the main body where the display unit appears and disappears, and extends slenderly in a direction intersecting with the protruding and retracting direction of the display unit and abuts according to the width of the touch panel surface.
Alternatively, it is preferable that the touch panel surface is washed by either slidingly contacting one end side in the main body in a direction intersecting the projecting / retracting direction. In addition, the main body is further provided with an adjusting unit that is driven by the control of the sensor when the display unit is exposed and abuts at least two or more places on the touch panel surface of the touch panel. It is preferable to provide an error due to a change to correct the touch position. In addition, it is preferable that the adjusting portions are arranged on both sides of one end in the main body where the display portion appears and disappear, and are respectively driven by the front end side and the rear end side of the touch panel surface so as to come into contact with two diagonal end points. . In addition, the display unit is a retractable mechanism that raises the display surface by turning the tip upward after it is exposed to the front from the opening on the front surface of the main body, or rotates upward from the opening on the top surface of the main body to pop up the display surface. It is preferable to drive by any one of the retracting mechanism that is set up in a formula.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an embodiment of a vehicle-mounted display device according to the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a diagram showing a first embodiment of an in-vehicle display device according to the present invention. 2 is a diagram showing an internal structure of the vehicle-mounted display device shown in FIG. In addition, FIG.
It is a figure which shows the washing | cleaning part 16 shown in FIG. Further, FIG. 4 is a diagram showing another embodiment of the cleaning unit shown in FIG. Also,
5A and 5B are diagrams showing the operation of the cleaning unit 16 shown in FIG. 1. FIG. 5A shows a state before cleaning and FIG. 5B shows a state during cleaning. 6 is a diagram showing the operation of the pair of adjusting portions 18a and 18b shown in FIG. 1. FIG. 6 (a) shows the operation of one adjusting portion 18a, and FIG. 6 (b) shows the other adjusting portion. The operation of the section 18b is shown. FIG. 7 is a diagram showing a second embodiment of the in-vehicle display device according to the present invention. Further, FIG. 8 is a diagram showing an operation of the vehicle-mounted display device shown in FIG. 7.

As shown in FIG. 1, a first embodiment of an in-vehicle display device according to the present invention is a main body 10 to be placed in a limited narrow space such as a console box or a dashboard in a vehicle compartment, and this main body. A display unit 12 that is supported inside 10 and is provided so as to be capable of appearing and disappearing outside, and that raises a display surface that displays predetermined information when exposed from the inside to the outside of the main body 10;
The sensor 14a that detects and controls the retracting operation of the display unit 12 in the main body 10 and the sensor 14a mounted on the display surface of the display unit 12 and touching the display surface enables the input of the information displayed on that portion. The touch panel 12a and the display unit 12 are the main body 1
The cleaning unit 16 is controlled by the sensor 14a in the main body 10 and automatically comes into contact with the touch panel surface of the display unit 12 to wash when it appears and disappears from the inside of the main body 10. Also, the main body 1
When the display unit 12 is exposed, the display unit 12 operates on the touch panel surface of the touch panel 12a by operating under the control of the sensor 14a.
A pair of adjusting portions 18a and 18b that come into contact with each other are further provided,
The adjustment unit 18 is provided so as to correct the touch position by calculating an error due to an individual difference or a secular change from output values at two points with which the adjustment unit 18 abuts.

Therefore, the first embodiment differs from the prior art shown in FIG. 9 in that the cleaning unit 16 for cleaning the touch panel surface of the display unit 12 in the main body 10 and the touch panel 12 are provided.
Adjustment unit 18 that corrects the error due to the individual difference of a and the secular change
By providing the and, respectively, the dirt is automatically removed and an error is simultaneously prevented from occurring.

Here, the display section 12 is provided with an opening 10a on the front surface of the main body 10 as in the prior art shown in FIG.
The opening 10a is provided with a button 10b that is exposed to the front from the inside to raise the display surface and a retracting mechanism 14. Further, in the main body 10, as shown in FIG. 2, a motor 14c for driving the retractable mechanism 14 and the motor 14c.
And a guide 14d that guides and slides the display unit 12 by the driving force. Further, in the main body 10, a sensor 14a is installed above the retractable mechanism 14 shown in FIGS. 1 and 2, and the sensor 14a reads a reflector plate 14b for the sensor provided in the upper part of the main body 10 to display the display unit. By detecting the position of 12, the drive of the motor 14c shown in FIG. 2 is controlled based on this detection information.

The cleaning unit 16 is arranged at one end side in the main body 10 provided with the opening 10a for allowing the display unit 12 shown in FIG. 1 to project and retract, and is arranged in the direction in which the display unit 12 shown in FIG. It is provided so as to extend slenderly in a substantially orthogonal direction intersecting with each other. As shown in FIG. 3, the cleaning unit 16 sets a width B that extends in a slender manner in accordance with the width A of the touch panel surface shown in FIG. 2 in the display unit 12 having the touch panel 12a mounted thereon. The cleaning unit 16 is provided with an elevating mechanism 17 in the main body 10 shown in FIG.
Is supported so as to move up and down in the main body 10. The elevating mechanism 17 is controlled based on the detection information of the sensor 14a that detects the position of the display unit 12, and the display unit 1
The cleaning unit 16 is provided so as to be raised and cleaned (see FIG. 5) when the second touch panel surface passes through.

Here, the cleaning section 16 has been described as an embodiment in which the cleaning section 16 is elongated and formed as shown in FIG. 3, but the present invention is not limited to this, and for example, as shown in FIG. By providing the sliding mechanism 27 that slides in the left and right D directions that are orthogonal to the C direction in which the display unit 12 appears and disappears, the touch panel surface of the display unit 12 can be slid and cleaned. is there. As a result, the cleaning unit 26 is operated as shown in FIG.
The size can be made smaller than that of the slender cleaning section shown in FIG. Further, the cleaning unit 26 has a small size and is slidably provided, unlike the cleaning unit 26 extending to the full width A of the touch panel surface shown in FIG.
It is possible to make contact with each of two specific points (E and F shown in FIG. 12) that are diagonal end points on the touch panel surface, and there is no need to separately provide an adjusting section. And
In the main body 10, the cleaning unit 26 shown in FIG.
Cleaning is performed while reciprocating the touch panel surface in the left and right directions in the D direction. If the above-mentioned two specific points are touched during this cleaning, the output value by the touch position is recorded (saved) and adjustment can be performed. is doing. Therefore, according to such a cleaning unit 26, it is possible to form a small size and secure a large arrangement space in the main body 10, and the adjusting unit shown in FIG. 1 is not necessary, so that the number of parts and the cost can be reduced at the same time. realizable. In the first embodiment, a detailed description will be given below using the elongated cleaning unit 16 shown in FIG.

The elongated cleaning section 1 shown in FIG.
In the case of using No. 6, as shown in FIG. 1, adjustment units 18a and 18b for adjusting the touch position are provided in the main body 10. The adjusting portions 18a and 18b are arranged at two positions on both sides of the one end inside the main body 10 where the display portion 12 appears and disappears.
When 2 slides, they are respectively driven on the front end side and the rear end side of the touch panel surface, and at two specific points which are the end points on the diagonal line (see FIG. 1).
It is provided so as to come into contact with the portions E and F shown in FIG. Further, the adjusting unit 18 is provided with elevating mechanisms 19a and 19b in the main body 10 and is supported by the elevating mechanisms 19a and 19b so as to ascend and descend in the same manner as the cleaning unit 16 shown in FIG. . The elevating mechanism 19 is controlled based on the detection information of the sensor 14a that detects the position of the display unit 12, and when the touch panel surface of the display unit 12 passes, the adjustment unit 18 is operated on the front end side and the rear end side, respectively. It is provided so as to be raised and brought into contact (see FIG. 6).

The first embodiment of the on-vehicle display device according to the present invention thus formed is as shown in FIG.
When exposing the display unit 12 housed in the main body 10 to the outside, first, the button 10b (see FIG. 1) on the front surface of the main body 10 is pressed. As a result, in the main body 10, the pressed button 10b drives the motor 14c shown in FIG. 2, and the retracting mechanism 14 slides the display unit 12 along the guide 14d to gradually expose the display unit 12 to the outside front. Let
At this time, in the main body 10, the optical sensor 14a reads the sensor reflection plate 14b to detect the position of the display unit 12, and controls the lifting mechanism 14 based on the detection information. When the touch panel surface of the display unit 12 passes over the upper portion of the cleaning unit 16, the lifting mechanism 14 is operated as shown in FIG.
As shown in, the cleaning unit 16 is raised and brought into contact with the touch panel surface of the display unit 12. As a result, the display section 12 is exposed to the outside of the main body 10 while sliding while the cleaning section 16 is in contact with the touch panel surface, so that dirt such as dust and fingerprints can be automatically removed, and the user himself or herself can remove it. No need to remove dirt with. After that, the display unit 12 is displayed as shown in FIG.
Similarly to the prior art shown in (c), with the retracting mechanism 14 exposed to the front from the inside of the main body 10, the tip is rotated upward (rotated manually or automatically) so that the user can see the display surface. Is launched.

On the other hand, the adjusting unit 18 is the cleaning unit 16 described above.
6 is driven to move one of the two sides (18a) arranged in the opening 10a shown in FIG. 1 to the tip of the touch panel surface of the display unit 12 by the elevating mechanism 19a, as shown in FIG. 6 (a). As it passes through the upper part, it rises and abuts. After that, the adjusting unit 18 moves the other side (18
6B, as shown in FIG. 6B, when the rear end of the touch panel surface of the display unit 12 passes through the upper portion by the elevating mechanism 19b, it rises and comes into contact. That is, the adjusting unit 18 includes the display unit 12
Are arranged at two positions on both sides of the opening 10a where the projecting and retracting are respectively performed, and when the display unit 12 slides, they are respectively operated at the front end side and the rear end side of the touch panel surface, and two specific positions are diagonal end points. (E portion and F portion shown in FIG. 12) are formed so as to be in contact with each other.

Therefore, in the present embodiment, unlike the structure shown in FIG. 12 in which the user directly touches the adjustment screen displayed on the display unit as in the prior art, the adjustment screen of the display unit 12 in the main body 10 is changed. The adjusting unit 18 is brought into contact with the above to automatically correct an error due to an individual difference or secular change.
It should be noted that the display unit 12 displays the button 1 again after being used by the user.
The space occupied in the vehicle compartment can be reduced by pressing 0b and storing it in the main body 10. Further, in order to prevent the appearance time of the display unit 12 from being longer than usual, the cleaning unit 16 and the adjusting unit 18 preferably do not perform cleaning and adjustment each time, for example, only once at the beginning of the day. One or both of the setting for operation and the setting for selectively performing cleaning and adjustment according to a user's instruction may be provided.

As described above, according to the first embodiment of the vehicle-mounted display device of the present invention, the opening 10a shown in FIG.
Since the cleaning unit 16 is provided in the main body 10 to clean the touch panel surface of the display unit 12 in the main body 10 (see FIG. 5), dirt such as dust and fingerprints attached to the touch panel surface of the display unit 12 is automatically removed. The display unit 12 does not need to be cleaned by the user himself using a cleaning cloth or the like.
The display screen of is easier to see.

Further, the first of the in-vehicle display devices according to the present invention
According to the embodiment of the present invention, as shown in FIG. 6, since the adjusting unit 18 contacts the touch panel surface of the display unit 12 in the main body 10 to automatically correct an error due to an individual difference or a secular change, The person himself / herself does not need to touch the touch panel surface to adjust the touch position when using the display unit 12, the touch position is accurately adjusted, and the occurrence of malfunction due to incorrect adjustment can be reliably prevented. .

Next, a second embodiment of the vehicle-mounted display device according to the present invention will be described in detail with reference to FIGS. 7 and 8. The second embodiment of the in-vehicle display device according to the present invention is
As shown in FIG. 7, a main body 30 to be stored in a limited narrow space such as a console box and a dashboard in a vehicle compartment.
The display unit 32 is provided with a retractable mechanism 34 in the main body 30 and is rotated outward to raise the display surface in a pop-up manner.
Is equipped with. Here, the display unit 32 is provided with an opening 30a provided on the upper surface of the main body 30, and is rotated upward by a retracting mechanism 34 in the opening 30a so as to pop up the display surface. Further, the display unit 32 has
A touch panel (not shown) that allows input of information displayed on the display surface by touching the display surface is attached. Then, in the main body 30, a cleaning unit 36 arranged so as to face the touch panel surface of the display unit 32 equipped with the touch panel, and an error due to individual difference or secular change from the output value abutting on a specific position on the touch panel surface. And an adjusting unit 38 for calculating the touch position and correcting the touch position.

The cleaning section 36 and the adjusting section 38 are provided in the main body 3
The sliding mechanisms 37 and 39 are provided in the 0.
It is formed so that it is supported by 39 and slides toward the touch panel surface of the display unit 32 and comes into contact with it. This sliding mechanism 3
When the cleaning unit 36 and the adjusting unit 38 are respectively brought into contact with the touch panel surface by sliding the cleaning unit 36 and the adjustment unit 38, the display unit 32 is rotated by the retracting mechanism 34 and the angle of the touch panel surface is changed. The contact position of cannot be set to a constant value. Therefore, the sliding mechanisms 37 and 39 adjust the contact force (distance) of the cleaning unit 36 and the adjusting unit 38 in accordance with the contact position where the display unit 32 changes for each rotation angle,
It keeps constant.

The second embodiment of the in-vehicle display device according to the present invention as described above is, as shown in FIG.
(See FIG. 1) When the display unit 32 housed inside is exposed to the outside, first, a predetermined button (not shown) provided on the outer surface of the main body 30 is pressed to move the retractable mechanism 34 (see FIG. 1). To drive. As a result, the display unit 32 is rotated by the retracting mechanism 34 and gradually exposed to the outside of the main body 30 as shown in FIG. 8B. At this time, the cleaning unit 36 shown in FIG. 7 is brought into contact with the display unit 32 to wash the touch panel surface, and the adjustment unit 38 is brought into contact with two specific portions of the touch panel surface to cause an error due to individual difference or secular change. Is automatically corrected. Therefore, the display unit 32 completely rotates and cleans the touch panel surface by the cleaning unit 36 and the adjusting unit 38 while rotating, and the touch panel of the display unit 32 is provided outside the main body 30 as shown in FIG. 8C. The surface can be raised.

As described above, according to the second embodiment of the in-vehicle display device of the present invention, the touch panel surface of the display unit 32 which is rotated by the retractable mechanism 34 and retracted is the cleaning unit 36 and the adjusting unit in the main body 30. Since the cleaning and correction are performed by 38, the same effect as that of the first embodiment can be obtained, and by using the pop-up type display unit 32, it is possible to appear and appear with a simple structure of only rotation.

Although the embodiment of the on-vehicle display device according to the present invention has been described above in detail, the present invention is not limited to the above-described embodiment and can be modified within the scope of the invention. . For example, although the embodiment of the in-vehicle display device in which a pair of adjusting units is provided in the main body and is brought into contact with two specific positions on the touch panel surface has been described, the present invention is not limited to this, and the adjusting unit is provided in the main body. By providing a plurality of points and increasing the number of detection positions that abut, it is possible to form so that more accurate correction can be performed.

[0029]

As described above, according to the on-vehicle display device of the present invention, dirt such as dust and fingerprints attached to the display portion is automatically removed, and at the same time, an error of individual difference and secular change due to dirt can be prevented. You can

[Brief description of drawings]

FIG. 1 is a diagram showing a first embodiment of an in-vehicle display device according to the present invention.

FIG. 2 is a diagram showing an internal structure of the vehicle-mounted display device shown in FIG.

FIG. 3 is a diagram showing a cleaning unit shown in FIG.

FIG. 4 is a diagram showing another example of the cleaning unit shown in FIG.

FIG. 5 is a diagram showing an operation of the cleaning unit shown in FIG.

FIG. 6 is a diagram showing the operation of the pair of adjusting units shown in FIG. 1.

FIG. 7 is a diagram showing a second embodiment of a vehicle-mounted display device according to the present invention.

FIG. 8 is a diagram showing an operation of the vehicle-mounted display device shown in FIG. 7.

FIG. 9 is a view showing a conventional vehicle-mounted display device.

10 is a diagram showing an internal structure of the vehicle-mounted display device shown in FIG.

FIG. 11 is a diagram showing a retracting operation of the display unit shown in FIG. 9.

FIG. 12 is a diagram showing a display state when the touch position of the display unit shown in FIG. 9 is adjusted.

[Explanation of symbols]

10 body 12 Display 12a touch panel 14 Haunting mechanism 14a sensor 14b reflector 14c motor 14d guide 16 Cleaning section 17 Lifting mechanism 18a, 18b adjustment section 19a, 19b lifting mechanism

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) G01C 21/00 G01C 21/00 A G08G 1/0969 G08G 1/0969 G09B 29/00 G09B 29/00 A 29 / 10 29/10 A G09F 9/00 352 G09F 9/00 352 F term (reference) 2C032 HB03 HC08 HC14 HC35 2F029 AA02 AB01 AB07 AB13 AC02 AC16 3D044 BA04 BA14 BA17 BA27 BB01 BC30 BD01 BD05 5G435 AA11EE20A14 A20 A14 A20 A14 GG43 LL01 LL17 5H180 AA01 CC12 FF03 FF22 FF32

Claims (5)

[Claims] 1. A main body to be placed in a predetermined space in a vehicle compartment, and a display surface which is supported in the main body so as to be retractable to the outside and which displays predetermined information when exposed from the inside of the main body. A display unit that has, a sensor that detects and controls a retracting operation of the display unit in the main body, and a display surface of the display unit that is integrated with and touches the display surface to display the information displayed in that portion. A touch panel that enables input, and a cleaning unit that is controlled by the sensor in the main body and automatically abuts on the touch panel surface of the display unit when the display unit appears and disappears from the main body, and a cleaning unit. An in-vehicle display device characterized by the above. 2. The in-vehicle display device according to claim 1, wherein the cleaning unit is arranged on one end side in the main body where the display unit appears and disappears, and is elongated in a direction intersecting the appearing and disappearing direction of the display unit. An in-vehicle device, characterized in that the touch panel surface is cleaned by either extending and contacting the touch panel surface according to the width of the touch panel surface, or slidingly contacting the one end side in the main body in a direction intersecting the protruding / retracting direction. Display device. 3. The on-vehicle display device according to claim 1, wherein at least two touch panel surfaces of the touch panel are driven in the main body by the control of the sensor when the display section is exposed. An in-vehicle display device, further comprising an adjusting unit that abuts at more than one place, and calculates an error due to an individual difference or an aging change from output values at a plurality of abutting places to correct a touch position. 4. The in-vehicle display device according to claim 3, wherein the adjusting portions are arranged on both sides of one end in the main body where the display portion appears and disappears, and are provided on a front end side and a rear end side of the touch panel surface. An in-vehicle display device, characterized in that it is provided so as to come into contact with two diagonally opposite end points. 5. The on-vehicle display device according to claim 1, wherein the display section is exposed forward from an opening on the front surface of the main body, and then the tip is pivoted upward to display the display surface. The in-vehicle display device is driven by either a stand-up / withdrawal mechanism or a projecting / retracting mechanism that rotates upward from an opening in the upper surface of the main body to stand up the display surface in a pop-up manner.