JPH09224202A - Folding display - Google Patents

Abstract

(57) [PROBLEMS] To provide a foldable display device that prevents the conventional vehicle-mounted display device from falling off or being stolen, secures the field of view of the driver when not in use, and secures safety. A display device includes a front cover (1) and a base (2).
The liquid crystal monitor 3 is integrally incorporated in the front cover 1. The exterior of the front cover 1 is made of a soft material or a flexible structure to prevent the occupant from being injured when a vehicle accident occurs. A handle 4 for manually pulling out the front cover 1 is provided in front of the front cover 1, and a second motor M2 for opening and closing the front cover 1 and a predetermined front cover 1 are provided behind the front cover 1. A stop mechanism 5 is provided for stopping at the angle. As a result, it is possible to view at an optimum viewing angle when in use, and to fold up when not in use to ensure the safety of the user.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding display device used in a car navigation system or the like, and more specifically, it can ensure an optimum viewing angle when in use and can reliably protect a display portion when not in use. The present invention relates to a folding display device.

[0002]

2. Description of the Related Art Conventionally, in so-called on-vehicle electronic devices, devices that handle image information such as navigation systems, television broadcasts, character information, and karaoke are increasing. A liquid crystal display device as shown in FIG. 8 is known as such a display device. Liquid crystal display devices have drawbacks such as a narrow viewing angle, poor visibility with respect to reflection of external light, and weak impact resistance. In addition, with the recent increase in the size of liquid crystal display devices, there is an urgent need to confront various problems such as ensuring the safety of users, ensuring forward visibility, antitheft measures, and improving the installation conditions of liquid crystal display devices. . The present invention has been devised by paying attention to the characteristics of such a liquid crystal display device, and is made foldable (see FIG. 8B) with respect to the conventional display device (see FIG. 8A). Is to solve.

In the conventional display device, regardless of whether the display device is used or not, the display device is fixed on the dashboard by using a mounting portion having a back surface or a bottom surface as a fulcrum. On the other hand, the display device is becoming larger year by year in order to make it easier to read diversified image information, and accordingly, the weight is increasing and the center of gravity is becoming higher. These are problems that cause product accidents such as peeling of the mounting portion due to overlapping with vibration generated from the vehicle used, and material fatigue and damage to the fulcrum of the mounting portion. Further, the conventional method of mounting the display device is in an inverted state even when it is not used, which hinders the visibility of the vehicle driver and may cause a vehicle accident. Further, in a display device that is often installed as an option after purchasing a vehicle such as a navigation system, there is a problem that the display device is easily stolen due to the nature of the product that can be installed in an unspecified number of vehicles. .

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to prevent the conventional vehicle-mounted display device from being dropped or stolen and to improve the visibility of the driver when not in use. It is an object of the present invention to provide a foldable display device which is secured to ensure safety.

[0005]

In order to solve such a problem, the folding display device according to claim 1 is a base provided with a mounting portion to be mounted on a dashboard or the like of an unspecified number of vehicles. , A front cover that slides and slides on a guide mechanism formed on the base, and is integrally formed with the front cover. When the front cover is unfolded, the display section appears in the front and when the front cover is folded up. In addition, the display means is put in the storage state, and the stop means is arranged to stop at a desired rotation position when the front cover is unfolded.

In the folding display device according to a second aspect of the present invention, the base is provided with a mounting portion to be mounted on the dashboard or the like, the front cover is foldably mounted to the base, and is formed on the base. When the front cover is unfolded, the display section appears in front of it when the front cover is unfolded and folded when the front cover is unfolded. The display means has a storage state, and the stopping means stops at a desired rotation position.

According to another aspect of the folding display device of the present invention, there is provided a base having an attaching portion to be attached at a predetermined position, a front cover foldably attached to the base, and a spindle formed on the front cover. The guide mechanism formed on the base is used as a fulcrum so that the guide mechanism is slidable and rotatable, and when the front cover is expanded, the display section appears in front in conjunction with it, and when the front cover is folded, it is stored. The display means and the stopping means for stopping at the desired rotation position are provided.

According to another aspect of the present invention, there is provided a foldable display device comprising: a base provided with a mounting portion to be mounted at a predetermined position; and a front cover that slides and rotates by sliding a guide mechanism formed on the base. , Integrally formed on the front cover,
The display unit includes a display unit that appears in front when the front cover is opened, and a display unit that is in a stored state when folded, and a stop unit that stops at a desired rotation position.

According to a fifth aspect of the present invention, in the folding display device, a base having an attaching portion to be attached at a predetermined position, a front cover foldably attached to the base, and a base are integrally formed, When the front cover is unfolded, a display means for displaying an image on the reflection means (mirror) by reversing the image so as to be displayed normally and a mirror for reflecting and displaying the image are arranged on the front cover. And a stop means for stopping at a desired rotation position when the cover is unfolded.

Further, the front cover and the display means applied to the present invention are interlocked with an ignition switch, the front cover is opened and closed in synchronization with turning on / off of the ignition switch, and the display means is turned on / off of the ignition switch. It is preferable that the power is turned on / off in synchronization with turning off.

According to the folding display device of the present invention, the front cover is pushed open for use when in use, and the front cover can be folded for storage when not in use. Therefore, at the time of use, it is possible to raise the display means to a desired rotation position and view an image with a good viewing angle. Further, when not in use, the display means is folded to prevent falling or theft, and the driver's field of view is not hindered. Further, the front cover and the display means applied to the present invention,
Since it is linked to the ignition switch, you can prevent forgetting to turn off the display device or forgetting to store it.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION A specific example of the fifth embodiment of the present invention will be described below with reference to the accompanying drawings.

First Embodiment First, the first embodiment of the folding display device according to the present invention will be described in detail with reference to FIGS. FIG. 1 is a diagram showing a first embodiment of a folding display device according to the present invention,
(A) is a perspective view of the display device folded, (b)
FIG. 3C is a perspective view showing a partially broken state of the display device being opened, and FIG. 6C is a perspective view of the display device opened.

This display device has a structure in which a front cover 1 and a base 2 are joined together. A liquid crystal monitor 3 as a display means is integrally incorporated in the front cover 1. The exterior of the front cover 1 is made of a soft material or a flexible structure to prevent the occupant from being injured when a vehicle accident occurs. A handle 4 for manually pulling out the front cover 1 is provided in front of the front cover 1, and a second motor M2 for opening and closing the front cover 1 and a front cover 1 are provided behind the front cover 1. A stop mechanism 5 for stopping at a predetermined angle is provided.

The base 2 is provided with a mounting portion (not shown) for fixing it on the dashboard or the like, and the mounting portion is used to mount on the dashboard. Guide grooves 7A, 7B for sliding movement of the front cover 1 are provided on both inner wall surfaces of the base 2, and one side thereof has a worm gear 6 for driving the front cover 1 and a first groove.
Motor M1 is provided. The front cover 1 and the base 2 are provided with a support shaft (hinge) 8 provided near the stop mechanism 6.
It is rotatably connected by means of this, and thereby has a structure that can be folded in the vertical direction.

The manual operation of the folding display device of the present invention will be briefly described.

When the folding display device is manually opened, the handle 4 of the front cover 1 is grasped with a fingertip and slid in the guide grooves 7A and 7B to slide along the arrow direction. After pulling out the front cover 1 to the front, it is lifted in the direction of the arrow and smoothly rotated against the elastic force of the stop mechanism 5 to stop at the desired rotation position. This allows the liquid crystal monitor 3 to be viewed with the best viewing angle. As shown in the drawing, the stop mechanism 5 is configured to stop when the locking piece 5B comes into contact with, for example, a fan-shaped locking plate 5A having a step provided on the second motor shaft. The stop mechanism is not limited to the one described above, and it goes without saying that another configuration having the same function may be used. The front cover 1 also serves as a light-shielding cover that protects the liquid crystal monitor 3 from outside light because the liquid crystal monitor 3 has a display recess (see FIG. 1A) and is mounted in a recessed position. ing.

The front cover 1 in the opened state can be closed in the original state by folding it in the reverse order. At this time, the front cover 1 works and is easily closed by its own weight, but it may be configured so as to be biased in the direction of forcible folding by using a torsion spring or the like. Further, the folding display device of the present invention can be opened and closed electrically as described later. In that case, the front cover 1 that has been left open is powered off at the same time when the vehicle ignition switch is turned off, and the lid is automatically closed. Further, at least the front cover 1 is formed of a soft member such as an elastomer molded product, a soft plastic molded product, and a synthetic rubber molded product. Therefore, even if the front cover 1 comes into contact with the user due to an accident or the like, the user can The safety of can be secured.

Next, with reference to FIGS. 1 and 2, the opening / closing operation of the display device by electric power will be described. FIG. 2 is a block circuit diagram for controlling the electric operation of the folding display device of the present invention.

The configuration of the electric circuit in FIG.
(Accessory) An input unit 10 connected to a system power supply, an ignition switch 11, a microcomputer 12, a control circuit 13, first and second motors M1 and M2, a liquid crystal drive circuit 14, and the like.

To explain the operation of such an electric circuit, a power source is connected to the input section 10 through the ACC, and the power source is supplied by turning on / off the ignition switch 11. The microcomputer 12 detects ON / OFF of the ignition switch 11, generates an ON / OFF signal of the ignition switch, and outputs the ON / OFF signal to the control circuit 13. In the control circuit 13, the first,
A drive voltage is sequentially supplied to the second motors M1 and M2 and the liquid crystal drive circuit 14.

Returning to the explanation of FIG. 1 again, the first motor M1
When the drive voltage is supplied to M1, the M1 starts rotating and sends the front cover 1 forward through the worm gear 6. Next, a drive voltage is supplied to the second motor M2 to start rotation, and the front cover 1 rises up via the gear carved at the tip of the fan-shaped locking plate 5A. The rising of the front cover 1 is stopped by turning to a preset optimum visual position and activating a stop switch (not shown). After that,
The user can manually fine-tune the desired rotation angle. The folding display device of the present invention may be provided with an auto / manual mode (not shown) and set to the manual mode so that the display device does not wake up even when the ignition switch 11 is turned on.

Next, referring to FIG. 3, the electric operation of the folding display device of the present invention will be described based on a flowchart. FIG. 3 is a flow chart for explaining the electric operation of the folding display device of the present invention, and SP1 to SP8 in the figure show processing steps.

At step SP1, a key is inserted into the vehicle equipped with the folding display device of the present invention and the operation is started. At step SP2, it is verified whether or not the folding display device of the present invention is manually erected.
If YES, the process proceeds to step SP6, and if NO, the process directly proceeds to step SP3. In step SP3, it is verified whether or not the ignition switch has been activated. If it is ON, the process proceeds to step SP4, and if it is OFF, the process proceeds to step SP6. At step SP4,
The second motors M1 and M2 are sequentially activated,
The front cover is opened by rotating M2 in the forward direction. At the same time, the LCD monitor starts up and becomes visible (step SP
5), Ignition ON / OF of step SP3 again
Return to F mode.

At step SP6, the first and second motors M1 and M2 are rotated in opposite directions to close the front cover, and at the same time, at step SP7, the liquid crystal monitor is stopped. At step SP8, the electric operation of the folding display device of the present invention is completed. Thus, the display device with high safety is realized without hindering the user's visual field even when the folding display device of the present invention is not used. Other embodiments of the folding display device according to the present invention will be sequentially described below.

Embodiment 2 Embodiment 2 of the folding display device according to the present invention will be described in detail with reference to FIG. 4A and 4B are views showing Embodiment 2 of the folding display device according to the present invention. FIG. 4A is a perspective view showing the display device in a folded state, and FIG. 4B is a perspective view showing a state in which the display device is being opened. FIG. 1C is a perspective view of the display device opened. It should be noted that parts common to the items described in the first embodiment will be denoted by the same reference numerals hereafter.

This display device has a structure in which the front cover 1 and the base 2 are joined together including the liquid crystal monitor 3. The base 2 is provided with a mounting portion (not shown) for fixing on the dashboard or the like. Guide grooves 7A and 7B are provided on both inner wall surfaces of the front cover 1, and the projections 9A and 9B provided on the upper portion of the liquid crystal monitor 3 are engaged with the guide grooves 7A and 7B, so that the user holds the handle 4 or the like. When the front cover 1 is opened and closed by gripping, the slide is smoothly performed around the support shaft (hinge) 8 in conjunction with the opening and closing of the front cover 1. The display device of this example can be stopped at a predetermined position by a stop mechanism (not shown) provided near the support shaft 8.

That is, when manually opening the folding display device of this embodiment, the handle 4 of the front cover 1 is grasped with a fingertip and pushed open in the direction of the arrow. The liquid crystal monitor 3 slides in the guide grooves 7A and 7B in association with the operation of the front cover 1 and rises in the arrow direction. The liquid crystal monitor 3 which has risen to a predetermined position is locked by a chuck portion (not shown). The front cover 1 in the opened state is closed by releasing the chuck part and folding it. The folding display device of this embodiment can be opened and closed electrically by providing a motor or the like near the support shaft 8 as described above. Moreover, since the front cover 1 is formed of a soft member, it is possible to ensure the safety of the user even when the front cover 1 comes into contact with the front cover 1. The electric operation is the same as that described above, and the description thereof is omitted because it is redundant.

Embodiment 3 This example is an example in which a support shaft is provided on the front cover side and a guide groove is provided on the base side. This will be described with reference to FIG. 5A and 5B are views showing a third embodiment of the folding display device according to the present invention. FIG. 5A is a perspective view of the folding display device in a folded state, and FIG. 5B is a state in which the display device is being opened. A perspective view, (c) is a perspective view of a state in which the display device is opened.

This display device has a structure in which the front cover 1 and the base 2 are joined so as to include the liquid crystal monitor 3 as described above. The base 2 is provided with a mounting portion (not shown) for fixing on the dashboard or the like.
Guide grooves 7A, 7B are provided on both inner wall surfaces of the base 2, and the guide grooves 7A, 7B are engaged with projections 9A, 9B provided on the lower portion of the liquid crystal monitor 3, so that the user can hold the handle 4 or the like. When the front cover 1 is opened and closed by gripping, the slide is smoothly performed around the support shaft (hinge) 8 in conjunction with the opening and closing of the front cover 1. The display device of this example can be stopped at a predetermined position by a stop mechanism (not shown) provided near the support shaft 8.

That is, when manually opening the folding display device of this embodiment, the handle 4 of the front cover 1 is gripped and pushed in the direction of the arrow. The liquid crystal monitor 3 slides in the guide grooves 7A and 7B in association with the operation of the front cover 1 and rises in the arrow direction. The liquid crystal monitor 3 which has risen to a predetermined position is locked by a chuck portion (not shown). The front cover 1 in the opened state is closed by releasing the chuck part and folding it. The folding display device of this embodiment can be opened and closed electrically by providing a motor or the like near the support shaft 8 as described above. The following description is redundant and will not be repeated.

Embodiment 4 The folding display device of this embodiment is an example in which a liquid crystal monitor is integrally formed with a front cover and the front cover is opened and closed. This will be described with reference to FIG. . FIG. 6 is a diagram showing a fourth embodiment of the folding display device according to the present invention.
(A) is a perspective view of the display device folded, (b)
FIG. 3 is a perspective view showing a state 1 in which the display device is opened, (c) is a perspective view showing a state 2 in which the display device is opened, and (d) is a perspective view in a state in which the display device is opened.

This display device has a structure in which the front cover 1 and the base 2 are joined together. The base 2 is provided with a mounting portion 15 for fixing on the dashboard or the like, and the double-sided tape 15A or the screw 15B of the mounting portion 15 is used to mount on the dashboard. Base 2
Guide grooves 7A and 7B are provided on both inner wall surfaces of the guide groove. The guide grooves 7A and 7B are engaged with the projections 9A and 9B provided on the lower portion of the front cover 1, and the user grips the handle 4 or the like. When the front cover 1 is opened and closed, the front cover 1 slides smoothly in conjunction with the opening and closing of the front cover 1. The display device of this example can be stopped at a predetermined position by a stop mechanism (not shown) provided near the support shaft 8.

That is, the handle 4 of the front cover 1 is grasped with a fingertip and pushed out in the direction of the arrow so as to be pulled out slightly forward. Next, the guide grooves 7A, 7B and the projection 9A,
Push 9B in the direction of the arrow so that it rotates smoothly forward. Further, by pushing the front cover 1 in the direction of the arrow, the front cover 1 is rotated to a predetermined position (FIG. 6D shows an example of the fulcrum shaft and the rotation angle). Front cover 1 pushed open
Is closed by folding. The folding display device of this example can also be opened and closed electrically, and in that case, it is automatically closed by turning off the vehicle ignition switch.

Fifth Embodiment The folding display device of this embodiment is an example in which a reflecting means (mirror) is provided on the front cover so that the display contents of the liquid crystal monitor can be viewed through the mirror. Will be described with reference to. 7A and 7B are views showing a fifth embodiment of the folding display device of the present invention. FIG. 7A is a perspective view of the display device folded, and FIG. 7B is a perspective view of the display device opened. It is a figure.

A liquid crystal monitor 3 is integrally formed on a base 2 of this display device together with a mounting portion (not shown) for fixing it on a dashboard or the like. On the inner surface of the front cover 1, a mirror 16 as a reflection means is arranged. Front cover 1 and base 2 are pivots (hinge) 8
Are rotatably connected by means of a folding structure that smoothly rotates in the vertical direction. The display device of this example can be stopped at a predetermined position by a stop mechanism (not shown) provided near the support shaft 8.

Then, the user holds the handle 4 of the front cover 1 with his fingertip and pulls it up in the direction of the arrow,
The front cover 1 is raised by smoothly rotating around the support shaft 8. The front cover 1 is stopped at a predetermined position by a stop mechanism. At this time, a left-right inverted image is displayed on the liquid crystal monitor 3, but since the inside of the front cover 1 is the mirror 16, it is reflected by the mirror and is viewed as a normal image. Also, the front cover 1
By moving the, the direction of reflection from the liquid crystal monitor 3 changes, and an optimum visual position is secured. The opened front cover 1 is in a closed state at the same time when the ignition switch of the vehicle is turned off manually or. As a result, it is possible to realize a folding display device that secures an optimum viewing angle when in use, secures the safety of the user when not in use, and secures a forward field of view.

The present invention is not limited to the above embodiment,
Various embodiments can be adopted. In the above-described embodiment, the case where the invention is applied to the display device for a vehicle has been described, but the invention is not limited to these and can be widely applied to electronic devices having a display unit such as a television receiver and a game machine. It goes without saying that the present invention can be applied to various forms without departing from the gist of the present invention.

[0039]

As described above, according to the folding display device of the present invention, when the display device is used, the front cover is spread and used, and when the display device is not used, the front cover can be folded and stored. Therefore, when in use, the display means can be raised to a desired rotation position to view an image with an optimum and good viewing angle, and when not in use, the display means can be folded and stored so that the display device can be dropped or stolen. It is possible to prevent the above-mentioned problem and prevent the driver's view from being hindered.

Further, since the front cover and the display means applied to the present invention are opened / closed or the power is turned on / off in association with the ignition switch, it is possible to prevent forgetting to turn off the display device or forgetting to store it.

[Brief description of drawings]

FIG. 1 is a first embodiment of a folding display device according to the present invention.
FIG. 4A is a perspective view of the display device in a folded state, FIG. 6B is a perspective view in which the display device is partially opened, and FIG. It is a perspective view of the opened state.

FIG. 2 is a block circuit diagram which controls an electric operation of the folding display device of the present invention.

FIG. 3 is a flow chart for explaining the operation of the folding display device according to the present invention by electric driving.

FIG. 4 is a second embodiment of the folding display device according to the present invention.
FIG. 4A is a perspective view of the display device folded, FIG. 7B is a perspective view showing the display device in the middle of being opened, and FIG. It is a perspective view.

FIG. 5 is a third embodiment of the folding display device according to the present invention.
FIG. 4A is a perspective view of the display device folded, FIG. 7B is a perspective view showing the display device in the middle of being opened, and FIG. It is a perspective view.

FIG. 6 is a fourth embodiment of the folding display device according to the present invention.
FIG. 4A is a perspective view showing a state in which the display device is folded, FIG. 7B is a perspective view showing a state 1 in which the display device is opened, and FIG. The shown perspective view, (d) is a perspective view of a state in which the display device is opened.

FIG. 7 is a fifth embodiment of the folding display device according to the present invention.
FIG. 4A is a perspective view of the display device folded, and FIG. 6B is a perspective view of the display device opened.

FIG. 8 is a conceptual diagram showing a display device according to the present invention, (a) is a conventional display device, and (b) is a diagram showing the display device of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Front cover, 2 ... Base, 3 ... Liquid crystal monitor, 4 ... Handle, 5 ... Stop mechanism, 6 ... Worm gear, 7A, 7B ... Guide groove, 8 ... Support shaft (hinge), 9A, 9B ... Protrusion, 10
... input section, 11 ... ignition switch, 12 ... microcomputer, 13 ... control circuit, 14 ... liquid crystal drive circuit, 15 ... mounting section, 16 ... mirror

Claims (9)

[Claims] 1. A base provided with a mounting portion to be mounted at a predetermined position, a front cover that slides and slides on a guide mechanism formed on the base, and is integrally formed on the front cover. Along with this, the display means is exposed when the front cover is expanded, and the display means is in a stored state when the front cover is folded, and the stopping means that stops at a desired rotation position when the front cover is expanded. A foldable display device comprising: 2. A base provided with an attachment portion to be attached at a predetermined position, a front cover foldably attached to the base, and a spindle formed on the base as a fulcrum, and the front cover is attached to the front cover. The formed guide mechanism is configured to be slidable and rotatable, and when the front cover is expanded, the display section appears in conjunction with the front cover, and when the front cover is folded, it is stored. A foldable display device comprising: a display unit and a stop unit that stops at a desired rotational position when the front cover is unfolded. 3. A base provided with an attachment portion to be attached at a predetermined position, a front cover foldably attached to the base, and a spindle formed on the front cover as a fulcrum, and the base is attached to the base. The formed guide mechanism is configured to be slidable and rotatable, and when the front cover is expanded, the display section appears in conjunction with the front cover, and when the front cover is folded, it is stored. A foldable display device comprising: a display unit and a stop unit that stops at a desired rotational position when the front cover is unfolded. 4. A base which is provided with a mounting portion to be mounted at a predetermined position, a front cover which slides and rotates by sliding a guide mechanism formed on the base, and a front cover which is integrated with the front cover. A display unit that is formed and has a display unit that appears when the front cover is unfolded and is in a stored state when the front cover is folded, and a stop at a desired rotation position when the front cover is unfolded. A folding display device, comprising: 5. A base provided with an attachment portion to be attached at a predetermined position, a front cover foldably attached to the base, and a base cover which is integrally formed with the base and expands the front cover. Display means for reversing and displaying an image when reflected, reflecting means for arranging the front cover and reflecting and displaying the image displayed by the display means, and the front cover being expanded A folding display device, comprising: a stop means for stopping at a desired rotation position. 6. The front cover according to claim 1, wherein the front cover is formed so as to protrude from the display surface of the display means, and also serves as a light-shielding cover for protecting the display means from outside light. Folding display device. 7. The folding display according to claim 1, wherein the front cover is formed of a soft member, and prevents the user from being damaged when the front cover comes into contact with the user. apparatus. 8. The front cover and the display means are interlocked with an ignition switch, and the front cover is opened and closed in synchronization with turning on / off of the ignition switch. Folding display device according to. 9. The front cover and the display means are interlocked with an ignition switch, and the display means is turned on / off in synchronization with turning on / off of the ignition switch. The folding display device according to claim 5.