Digital rearview mirror

Abstract

The present invention relates to a digital rearview mirror installed in a vehicle, the digital rearview mirror comprising: a first substrate movable in an upward and downward direction and including a rearview mirror in which a display mode and a mirror mode are mutually switchable, a control unit controlling the rearview mirror, and a capacitive touch sensor having at least a portion exposed to an outer surface of the digital rearview mirror to allow a driver to touch same and generating a conduction signal by detecting whether a conductor is in contact with the capacitive touch sensor and detecting a position of the conductor; and a second substrate disposed to be spaced apart from the first substrate, electrically connected to the first substrate at all times to receive the conduction signal, generating a switching signal when the first substrate moves upward by more than a switching distance, and transmitting the conduction signal and the switching signal to the control unit, wherein the control unit, upon reception of the switching signal, controls the rearview mirror to switch between the display mode and the mirror mode, and upon reception of the conduction signal, adjusts the rearview mirror according to the conduction signal. Accordingly, a driver can conveniently control the digital rearview mirror via a single button.

Description

digital rearview mirror

[0001] The present invention relates to a digital rearview mirror, and more specifically, to a digital rearview mirror capable of controlling various functions of the digital rearview mirror with a single button.

[0002] Ensuring a driver's visibility is an essential element for safe driving, and the rearview mirror is one of the key devices that assists in this. Recently, digital rearview mirrors, which combine a traditional mirror with a display function showing various information necessary for the driver—such as rear camera feeds—are becoming commonplace.

[0003] Generally, various functions of digital rearview mirrors are controlled by physical buttons. Pressing these buttons inevitably applies physical force to the mirror. Consequently, this causes the mirror's angle to become misaligned. When controlling the mirror while driving, this obstructs the driver's view, directly leading to safety issues.

[0004] In addition, controlling the display by physical buttons is not intuitive and does not allow for immediate, precise control. For example, when partially adjusting the orientation of the screen displayed, one must press and hold the button until it moves to the desired position. This disadvantage is more pronounced when immediate adjustment is required while driving.

[0005] To address these issues, there is a need to introduce a digital rearview mirror that prevents misalignment during control and allows the driver to control the mirror intuitively and immediately.

[0006] The present invention has been devised to solve the above-mentioned problems and aims to provide a digital rearview mirror that prevents misalignment of the digital rearview mirror during control and allows the driver to control it intuitively and immediately.

[0007] To solve the above-mentioned problem, the digital rearview mirror according to the present invention is installed in a vehicle and comprises: a rearview mirror capable of switching between a display mode and a mirror mode; a control unit for controlling the rearview mirror; a capacitive touch sensor, at least a portion of which is exposed on the outer surface of the digital rearview mirror so as to be contacted by a driver, which detects contact with a conductor and the position of the conductor to generate a conduction signal, and a first substrate capable of moving in an up-and-down direction; a second substrate spaced apart from the first substrate, which is always electrically connected to the first substrate to receive the conduction signal, and which generates a switching signal when the first substrate moves upward beyond a switching distance, and transmits the conduction signal and the switching signal to the control unit; wherein the control unit controls the rearview mirror to switch between the display mode and the mirror mode upon receiving the switching signal, and adjusts the rearview mirror in accordance with the conduction signal upon receiving the conduction signal.

[0008] Additionally, it may further include a contact pin attached to the second substrate, which is in constant contact with the first substrate even when the first substrate moves in the up-and-down direction, thereby electrically connecting the first substrate and the second substrate.

[0009] In addition, the contact pin comprises a barrel-shaped structure attached to the second substrate, a contact pin spring with one end attached to the inner circumference of the barrel, and a plunger attached to the other end of the contact pin spring, with the end end in contact with the first substrate, and the barrel, the contact pin spring, and the plunger are composed of conductors to transmit and receive the conduction signal.

[0010] Additionally, it may further include a contact switch attached to the second substrate, which is pressed when the first substrate moves upward beyond the switching distance, thereby causing the second substrate to generate the switching signal.

[0011] Additionally, the contact switch may include a contact attached to the second substrate, a contact cap in which the upper surface of the first substrate comes into contact and is pressed when the first substrate moves, and the lower surface of the first substrate comes into contact with the contact when the first substrate moves beyond the switching distance, thereby causing the second substrate to generate the switching signal, and a contact switch spring having one end attached to the lower surface of the contact cap and restoring the contact cap to its original position when the first substrate does not press the contact cap.

[0012] In addition, it may further include a case that accommodates the first substrate and the second substrate, with one side open to expose the first substrate to the outside.

[0013] Additionally, the first substrate may include a planar portion arranged in a direction opposite to the second substrate and a sidewall portion formed along the edge of the planar portion and extending in the thickness direction of the planar portion.

[0014] Additionally, the first substrate further includes a coupling groove formed by being recessed in the side wall portion, and the case may include a coupling projection formed by protruding from the inner surface of the case facing the outer surface of the side wall portion and coupled with the coupling groove.

[0015] In addition, the height of the coupling groove of the above coupling groove may be formed to be longer than the sum of the height of the coupling projection of the above coupling projection and the transition distance.

[0016] In addition, the case may further include a movement limiting projection formed by protruding from the inner surface of the case and positioned in a direction opposite to the upper surface of the side wall portion to prevent the first substrate from moving more than a predetermined distance.

[0017] Additionally, the above case further includes a guide groove formed by being recessed from the movement limiting projection, and the first substrate may further include a guide projection that is formed protruding from the upper surface of the side wall portion and inserted into the guide groove.

[0018] In addition, the end of the guide projection may be chamfered.

[0019] In addition, at least a portion of the second substrate can be enclosed and accommodated by the planar portion and the sidewall portion.

[0020] In addition, the conduction signal is composed of a contact conduction signal generated by whether the conductor is in contact and a position conduction signal generated by recognizing the position of the conductor, and the control unit can switch the type of rearview mirror adjustment upon receiving the contact conduction signal and control the degree of rearview mirror adjustment upon receiving the position conduction signal.

[0021] An embodiment of the present invention can be expected to have various effects including the following according to the above configuration. However, the present invention is not required to exhibit all of the following effects.

[0022] First, the driver can conveniently control the rearview mirror through a single button.

[0023] In addition, the rearview mirror can be controlled instantly, which can enhance driving stability.

[0024] In addition, since it can be controlled without applying physical force to the digital rearview mirror, it can enhance vehicle driving stability when controlling the rearview mirror while driving.

[0025] In addition, it can prevent the problem of the digital rearview mirror becoming misaligned when controlling the rearview mirror.

[0026] FIG. 1 is a perspective view of a digital rearview mirror according to an embodiment of the present invention,

[0027] FIG. 2 is an exploded perspective view of the digital rearview mirror of FIG. 1.

[0028] FIG. 3 is a perspective view showing the first substrate, second substrate, case, contact pin, contact switch, and cable of FIG. 2 combined.

[0029] FIG. 4 is a cross-sectional view along the cutting line IV-IV of FIG. 3,

[0030] FIG. 5 is a perspective view showing the first substrate of FIG. 2,

[0031] FIG. 6 is a cross-sectional view along the cutting line VI-VI of FIG. 5,

[0032] FIG. 7 is a perspective view illustrating the case of FIG. 2,

[0033] FIG. 8 is a top view of the case of FIG. 7.

[0034] FIG. 9 is an operating state diagram illustrating the operation of the first substrate of FIG. 2.

[0035] FIG. 10 is a flowchart illustrating the flow of a method in which the first substrate of FIG. 2 moves to switch between a display mode and a mirror mode.

[0036] FIG. 11 is a flowchart illustrating the flow of a method in which a conductor contacts the first substrate of FIG. 2 and controls the rearview mirror.

[0037] Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.

[0038] FIG. 1 is a perspective view of a digital rearview mirror according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of the digital rearview mirror of FIG. 1, FIG. 3 is a perspective view showing the first substrate (200), second substrate (300), case (400), contact pin (500), contact switch (600), and cable (700) of FIG. 2 combined, FIG. 4 is a cross-sectional view along the cutting line IV-IV of FIG. 3, FIG. 5 is a perspective view showing the first substrate (200) of FIG. 2, FIG. 6 is a cross-sectional view along the cutting line VI-VI of FIG. 5, FIG. 7 is a perspective view showing the case (400) of FIG. 2, FIG. 8 is a top view of the case (400) of FIG. 7, FIG. 9 is an operating state diagram showing the first substrate (200) of FIG. 2 in operation, FIG. 10 is a flowchart illustrating the flow of a method in which the first substrate (200) of FIG. 2 moves to switch between a display mode and a mirror mode, and FIG. 11 is a flowchart illustrating the flow of a method in which a conductor contacts the first substrate (200) of FIG. 2 to control the rearview mirror (100).

[0039] As illustrated in these drawings, a digital rearview mirror according to one embodiment of the present invention comprises a rearview mirror (100), a first substrate (200), a second substrate (300) and a case (400), a contact pin (500), a contact switch (600) and a cable (700). Additionally, the digital rearview mirror comprises a control unit, which is controlled by the control unit, and also includes a housing (10) that encloses and protects all of these components.

[0040] A digital rearview mirror according to one embodiment of the present invention enables a driver to intuitively control the digital rearview mirror via a touch method without applying physical force, thereby providing convenience of operation and allowing for immediate control of the digital rearview mirror. This directly leads to improved stability during vehicle operation.

[0041] More specifically, the driver can switch the type of adjustment to be controlled in the image displayed on the rearview mirror (100) by touching the first substrate (200) with a finger, and can adjust the degree of adjustment to be controlled in the image displayed on the rearview mirror (100) by moving the finger after touching the first substrate (200). Additionally, when the first substrate (200) is pressed and moved upward, the movement of the first substrate (200) is recognized by the contact switch (600), and the rearview mirror (100) switches from display mode to mirror mode or from mirror mode to display mode. That is, by pressing the first substrate (200) and applying pressure to the contact switch (600), the mode of the rearview mirror (100) can be switched.

[0042] Hereinafter, each component of the digital rearview mirror according to an embodiment of the present invention will be described in detail.

[0043] The rearview mirror (100) is capable of switching between a display mode and a mirror mode. When operating in display mode, it outputs the situation behind the vehicle captured in real time through a rear camera, and when operating in mirror mode, it performs a reflection function like a regular mirror, allowing the driver to see the situation in the rear seat of the vehicle or the situation behind the vehicle.

[0044] More specifically, the display mode allows the driver to see more clearly areas that could not be seen when the rearview mirror (100) operates in mirror mode. In other words, it enables the driver to recognize blind spots in the rear that cannot be seen through a standard mirror, thereby promoting safe driving of the vehicle. Additionally, in the case of driving at night when there is insufficient light or on days with strong sunlight, it is often difficult to accurately perceive the rear situation through reflections from a standard mirror, but according to the display mode, the rear situation can be seen more clearly than through reflections from a mirror.

[0045] Since Mirror Mode performs the same function as a standard mirror, the driver can perceive the situation more intuitively.

[0046] As such, since both display mode and mirror mode have their advantages and disadvantages, drivers select and use either mode appropriately based on their situation and preferences. Therefore, it is necessary to switch between display mode and mirror mode. In this case, to enhance driver convenience, it is necessary to perform the switching between modes more easily.

[0047] Accordingly, in a digital rearview mirror according to one embodiment of the present invention, the driver presses the first substrate (200) lightly to move it upward and presses the contact switch (600), thereby generating a switching signal, and the control unit that receives the switching signal causes the rearview mirror (100) to switch modes.

[0048] The first substrate (200) has at least a portion exposed to the outer surface of the digital rearview mirror so that the driver can contact it, and includes a capacitive touch sensor that detects whether a conductor is in contact and the position of the conductor to generate a conduction signal, and is capable of moving in the up and down direction.

[0049] The first substrate (200) is generally preferably formed in the form of a PCB (Printed Circuit Board). In particular, it is more preferable that it be composed of a rigid PCB so that the entire first substrate (200) can be moved upward even if the operator applies pressure to any point on the first substrate (200).

[0050] A capacitive touch sensor generates a conduction signal by detecting whether a conductor is in contact and the position of the conductor. That is, it recognizes a touch by detecting electrostatic capacitance (change in charge). At this time, a part of the driver's body acts as a conductor, and in particular, the fingers correspond to the conductor. Therefore, the capacitive touch sensor senses whether the driver's finger has come into contact with the first substrate (200) and how much the driver's finger has moved on the first substrate (200). By doing so, it generates a conduction signal.

[0051] At this time, the conduction signal is composed of a contact conduction signal and a position conduction signal. The contact conduction signal is a signal generated by whether or not the conductor is in contact, and the position conduction signal is a signal generated according to a change in the position of the conductor. That is, the capacitive touch sensor generates a contact conduction signal when the driver's finger touches the first substrate (200), and generates a position conduction signal according to the distance and direction of movement when the driver's finger moves while touching the first substrate (200).

[0052] The rearview mirror (100) is controlled by such a transmission signal. When the contact transmission signal is transmitted to the control unit, the control unit controls the rearview mirror (100) to operate in display mode and output a rear vehicle image. To explain in detail, when the rearview mirror (100) is set to display mode and the contact transmission signal is transmitted to the control unit, the control unit switches the type of rearview mirror (100) adjustment in the order of the rear camera's vertical field of view adjustment mode, the rear camera's angle of view adjustment mode, and the position adjustment mode of the image output to the rearview mirror (100).

[0053] That is, when the rearview mirror (100) is set to display mode, and specifically to rear camera up / down field of view adjustment mode, when the driver lightly touches the first substrate (200) and the capacitive touch sensor generates a contact conduction signal, the control unit receives the contact conduction signal and causes the rearview mirror (100) to switch from the rear camera up / down field of view adjustment mode to the position adjustment mode of the image output to the rearview mirror (100).

[0054] Then, after the driver touches the first plate (200) with their finger, if the contacted finger is moved as is, a position change signal is generated according to the distance and direction of movement, which controls the degree of adjustment of the rearview mirror (100).

[0055] For example, when the rearview mirror (100) is set to display mode, specifically to the rear camera up-and-down viewing mode, the driver touches the first substrate (200) with their finger, and when the contacted finger is moved to the right, the rear camera's viewing angle moves upward, and when the contacted finger is moved to the left, the rear camera's viewing angle moves downward. At this time, if the distance moved is large, the change in the rear camera's viewing angle becomes greater, and if the distance moved is small, the rear camera's viewing angle changes relatively less.

[0056] Meanwhile, the first substrate (200) further includes a flat portion (210), a side wall portion (220), a coupling groove (230), and a guide projection (240).

[0057] The flat portion (210) is positioned in a direction facing the second substrate (300), and it is preferable that it be formed in the shape of a plate. Additionally, the flat portion (210) is exposed on the outer surface of the digital rearview mirror, where the driver touches with their finger. That is, a capacitive touch sensor is positioned on the flat portion (210) to sense whether the driver touches it and changes in the position of the finger, as described above.

[0058] Additionally, the driver pushes up the flat portion (210), causing the flat portion (210) to press the contact switch (600), thereby causing the second substrate (300) to generate a switching signal, so that the rearview mirror (100) switches from display mode to mirror mode or from mirror mode to display mode.

[0059] The side wall portion (220) is formed along the edge of the flat portion (210) and is formed by extending in the thickness direction of the flat portion (210). This side wall portion (220) is the part that comes into contact with the inner surface of the case (401) of the case (400).

[0060] The coupling groove (230) is formed by being recessed from the side wall portion (220) and is coupled with the coupling projection (420) of the case (400) described later. That is, the first substrate (200) can be fixed to the case (400) by the coupling groove (230) engaging with the coupling projection (420) to be coupled.

[0061] At this time, as illustrated in FIGS. 4 to 9, it is preferable that the height of the coupling groove (N) of the coupling groove (230) be formed to be longer than the sum of the height of the coupling projection (M) of the coupling projection (420) and the transition distance (L). Through this, the first substrate (200) can be fixed to the case (400) while also being able to move up and down by the transition distance (L).

[0062] The guide projection (240) is formed by protruding from the upper surface of the side wall portion (220) and is inserted into the guide groove (440) described later. To explain in detail, as shown in FIG. 7, a movement limiting projection (430) is formed on the inner circumference of the case (400), and the guide groove (440) is formed by being recessed from the movement limiting projection (430).

[0063] That is, when the first substrate (200) moves upward, the upper surface of the side wall (220) comes into contact with the movement limiting projection (430), and the guide projection (240) is inserted into the guide groove (440). This prevents the first substrate (200) from moving excessively upward by means of the movement limiting projection (430) and the upper surface of the side wall (220) when the first substrate (200) moves upward, and allows the first substrate (200) to move correctly without twisting by means of the guide groove (440) and the guide projection (240).

[0064] The second substrate (300) is spaced apart from the first substrate (200) and is always electrically connected to the first substrate (200) to receive the conduction signal. When the first substrate (200) moves upward by more than a switching distance (L), it generates a switching signal and transmits the conduction signal and the switching signal to the control unit.

[0065] More preferably, the second substrate (300) is arranged to overlap with the first substrate (200). In particular, the first substrate (200) is located on one side of the case (400), and the second substrate (300) is located on the other side of the case (400).

[0066] The case (400) accommodates the first substrate (200) and the second substrate (300), with one side open to expose the first substrate (200) to the outside. That is, the case (400) corresponds to the whole or part of the exterior of the digital rearview mirror according to an embodiment of the present invention, and accommodates and protects the first substrate (200) and the second substrate (300) inside. Additionally, the first substrate (200) is exposed on one side to allow the driver to come into contact with the first substrate (200).

[0067] More specifically, the case (400) includes a substrate exposure groove (410), a coupling projection (420), a movement limiting projection (430), a guide groove (440), and a substrate mounting groove (450).

[0068] The substrate exposure groove (410) is formed by opening one side of the case (400), thereby allowing the first substrate (200) housed inside to be exposed to the outside of the case (400). That is, the first substrate (200) is housed in the case (400), simultaneously coupled, and exposed to the outside of the case (400) through the substrate exposure groove (410).

[0069] The coupling projection (420) is formed by protruding from the inner surface of the case (401) facing the outer surface of the side wall portion (220) and is coupled with the coupling groove (230) of the first substrate (200).

[0070] As described above, the height (M) of the coupling projection (420) is formed to be shorter than the height (N) of the coupling groove (230), so that the first substrate (200) can move in the up and down direction while being received and coupled in the case (400).

[0071] The movement limiting projection (430) is formed by protruding from the inner surface of the case (401) and is positioned in a direction facing the upper surface of the side wall (220) to prevent the first substrate (200) from moving beyond a predetermined distance (P). That is, when the first substrate (200) moves upward by a predetermined distance (P), the lower surface of the movement limiting projection (430) and the upper surface of the side wall (220) come into contact with each other. This is to prevent damage to the coupling projection (420) or coupling groove (230) that may occur if the first substrate (200) moves excessively upward.

[0072] In particular, it is preferable that the movement limiting projection (430) be formed in a rib shape along the circumference of the inner surface of the case (401). This reinforces and strengthens the durability of the case (400) and contacts the first substrate (200) at various points, thereby dispersing the pressure exerted by the first substrate (200) and the case (400) on each other.

[0073] The guide groove (440) is formed by being recessed from the movement limiting projection (430), into which the guide projection (240) of the first substrate (200) is inserted. Preferably, the guide groove (440) is formed by being recessed from the lower surface of the movement limiting projection (430). Since the first substrate (200) moves in the up and down direction with the guide projection (240) engaged with the guide groove (440), it moves correctly without twisting even if the driver presses any part of the first substrate (200).

[0074] The substrate mounting groove (450) is formed by being recessed on the other side of the case (400) and is the place where the second substrate (300) is mounted. That is, the first substrate (200) is located on one side of the case (400), and the second substrate (300) is located on the other side of the case (400). At this time, it is preferable that the cross-section of the substrate mounting groove (450) be formed in the same shape as the cross-section of the second substrate (300).

[0075] The contact pin (500) is attached to the second substrate (300) and is in constant contact with the first substrate (200) even when the first substrate (200) moves in the up and down direction, thereby electrically connecting the first substrate (200) and the second substrate (300).

[0076] At this time, it is preferable that the contact pin (500) be composed of a pogo pin. Accordingly, the contact pin (500) may include a head, a barrel, and a contact pin spring. The head is a tip that is in direct contact with the first substrate (200). The barrel is attached to the second substrate (300) and is formed in a cylindrical shape to accommodate a contact pin spring inside. One end of the contact pin spring is attached to the inner circumference of the barrel, and the other end is connected to the head. At this time, the head, barrel, and contact pin spring are composed of a conductor.

[0077] Therefore, even if the first substrate (200) moves in the up and down direction, the first substrate (200) and the second substrate (300) can be electrically connected at all times by the elasticity of the contact pin spring.

[0078] The contact switch (600) is attached to the second substrate (300), and when the first substrate (200) moves upward by more than the switching distance (L), it is pressed so that the second substrate (300) generates a switching signal.

[0079] The contact switch (600) is formed with the same structure as a commonly used switch and returns to its original state when the applied pressure is removed.

[0080] That is, when the driver presses the first substrate (200), the first substrate (200) moves upward by more than the switching distance (L), and as a result, the contact switch (600) is pressed, and the second substrate (300) generates a switching signal. Then, when the driver removes the force pressing the first substrate (200), the first substrate (200) returns to its original position due to gravity and the elasticity of the contact spring of the contact pin (500), and the contact switch (600) also returns to its original state as it is no longer subjected to pressure.

[0081] The cable (700) connects the second board (300) and the control unit and transmits switching signals and conduction signals. At this time, it is preferable that the cable (700) be composed of an FFC (Flat flexible cable). This is because the digital rearview mirror must have the cable (700) within a limited space. Additionally, there is the advantage of having a lighter weight and strong durability.

[0082] The control unit controls the rearview mirror (100) and is connected to the second board (300) via a cable (700). The control of the rearview mirror (100) by the control unit is as follows.

[0083] As illustrated in FIG. 10, when the first substrate (200) moves more than the switching distance (L), the second substrate (200) presses the contact switch (600) to generate a switching signal. The switching signal is generated in the second substrate (200) and transmitted to the control unit through the cable (700). Upon receiving the switching signal, the control unit determines whether the rearview mirror (100) is currently in mirror mode, and if the rearview mirror (100) is in mirror mode, it switches to display mode, and if the rearview mirror (100) is not in mirror mode, it switches to mirror mode because it is in display mode.

[0084] As illustrated in FIG. 11, when a conductor contacts the first substrate (200), a conduction signal is generated by a capacitive touch sensor. The conduction signal is transmitted from the first substrate (200) to the second substrate (300) by a contact pin (500) and transmitted to a control unit via a cable (600). Afterward, the control unit determines whether the rearview mirror (100) is currently in display mode. If the rearview mirror (100) is in mirror mode rather than display mode, the control unit does not perform any control. On the other hand, if the rearview mirror (100) is in display mode, it determines whether the transmitted conduction signal is a contact conduction signal or a position conduction signal. If it is a contact conduction signal with no movement of the conductor, the type of rearview mirror (100) adjustment is switched, and if it is a position conduction signal with movement of the conductor, the degree of rearview mirror (100) adjustment is controlled.

[0085] At this time, the types of rearview mirror (100) adjustment refer to, as previously explained, the adjustment of the vertical field of view of the rear camera, the adjustment of the angle of view of the rear camera, and the adjustment of the position of the image output to the rearview mirror (100). That is, when a driver simply touches the first board (200) and a contact conduction signal is generated, the control unit switches the functions to be controlled in the order of adjusting the vertical field of view of the rear camera, adjusting the angle of view of the rear camera, and adjusting the position of the image output to the rearview mirror (100).

[0086] Furthermore, the degree of adjustment of the rearview mirror (100) refers to the adjustment of the vertical field of view of the rear camera, the angle of view of the rear camera, and the position of the image output to the rearview mirror (100), based on the direction and distance the conductor moves. That is, if the conductor moves to the left, the field of view of the rear camera moves downward, the angle of view of the rear camera narrows, or the position of the image output to the rearview mirror (100) moves to the left. Conversely, if the conductor moves to the right, the field of view of the rear camera moves upward, the angle of view of the rear camera widens, or the position of the image output to the rearview mirror (100) moves to the right. Meanwhile, if the conductor moves a long distance, the field of view of the rear camera moves further, the angle of view of the rear camera changes more, or the position of the image output to the rearview mirror (100) moves more compared to when the conductor moves a relatively short distance.

[0087] The housing (10) encloses and protects the first substrate (200), the second substrate (300), the case (400), the contact pin (500), the contact switch (600), and the cable (700). A portion of the bottom of the housing (10) is perforated to form a case mounting portion where the case (400) can be seated and coupled. That is, the entire combined portion of the first substrate (200), the second substrate (300), the case (400), the contact pin (500), and the contact switch (600) fills the case mounting portion.

[0088] An embodiment of the present invention can be expected to have various effects including the following according to the above configuration. However, the present invention is not required to exhibit all of the following effects.

[0089] First, the driver can conveniently control the rearview mirror (100) through a single button.

[0090] In addition, the rearview mirror (100) can be controlled immediately, which can increase the stability of the vehicle's driving.

[0091] In addition, since the digital rearview mirror can be controlled without applying physical force, the stability of the vehicle's driving can be increased when controlling the rearview mirror (100) during driving.

[0092] In addition, when controlling the rearview mirror (100), the problem of the digital rearview mirror becoming misaligned can be prevented.

[0093] Although preferred embodiments of the present invention have been described above with reference to the attached drawings, the embodiments described in this specification and the configurations illustrated in the drawings are merely the most preferred embodiments of the present invention and do not represent all technical concepts of the present invention. Therefore, various equivalents and modifications that can replace them at the time of filing this application fall within the scope of protection of the present invention.

Claims

1. In a digital rearview mirror installed in a vehicle, Rearview mirror (100) that is interchangeable between display mode and mirror mode; A control unit for controlling the above rearview mirror (100); and A first substrate (200) that can move in an up-and-down direction, and includes a capacitive touch sensor that detects whether a conductor is in contact and the position of the conductor, and at least a portion thereof is exposed on the outer surface of the digital rearview mirror so that the driver can contact it; Includes, A digital rearview mirror characterized by the above-described control unit adjusting the rearview mirror (100) in accordance with the conduction signal when the conduction signal is received.

2. In Paragraph 1, A second substrate (300) that is spaced apart from the first substrate (200), is always electrically connected to the first substrate (200) to receive the conduction signal, generates a switching signal when the first substrate (200) moves upward by a switching distance (L) or more, and transmits the conduction signal and the switching signal to the control unit; Includes more, The digital rearview mirror is characterized by the above-described control unit controlling the rearview mirror (100) to switch one of the display mode and the mirror mode to the other upon receiving the switching signal.

3. In Paragraph 2, A contact pin (500) attached to the second substrate (300) and in constant contact with the first substrate (200) even when the first substrate (200) moves in the up and down direction, thereby electrically connecting the first substrate (200) and the second substrate (300); A digital rearview mirror characterized by further including 4. In Paragraph 2, A contact switch (600) attached to the second substrate (300), which is pressed when the first substrate (200) moves upward by more than the switching distance (L), thereby causing the second substrate (300) to generate the switching signal; A digital rearview mirror characterized by further including 5. In Paragraph 2, A case (400) that accommodates the first substrate (200) and the second substrate (300), with one side open to expose the first substrate (200) to the outside; A digital rearview mirror characterized by further including 6. In Paragraph 5, The above first substrate (200) is, A planar portion (210) arranged in a direction opposite to the second substrate (300); and A side wall portion (220) formed along the edge of the planar portion (210) and extending in the thickness direction of the planar portion (210); A digital rearview mirror characterized by including 7. In Paragraph 6, The above first substrate (200) is, A coupling groove (230) formed by being recessed in the above side wall portion (220); Includes more, The above case (400) is, A coupling projection (420) formed protruding from the inner surface of the case (401) facing the outer surface of the side wall portion (220) and coupled with the coupling groove (230); A digital rearview mirror characterized by including 8. In Paragraph 7, A digital rearview mirror characterized in that the height of the coupling groove (N) of the coupling groove (230) is formed to be longer than the sum of the height of the coupling projection (M) of the coupling projection (420) and the switching distance (L).

9. In Paragraph 7, The above case (400) is, A movement limiting projection (430) formed by protruding from the inner surface of the case (401) and positioned in a direction opposite to the upper surface of the side wall (220) to prevent the first substrate (200) from moving more than a predetermined distance (P); A digital rearview mirror characterized by further including 10. In Paragraph 9, The above case (400) is, A guide groove (440) formed by being recessed from the above movement limiting projection (430); Includes more, The above first substrate (200) is, A guide projection (240) formed protruding from the upper surface of the above side wall portion (220) and inserted into the guide groove (440); A digital rearview mirror characterized by further including 11. In Paragraph 10, The above guide projection (240) is characterized by having a beveled end, in a digital rearview mirror.

12. In Paragraph 1, The above conduction signal is composed of a contact conduction signal generated by whether the conductor is in contact and a position conduction signal generated by recognizing the position of the conductor. The above control unit is, When the above contact conduction signal is received, the type of rearview mirror (100) adjustment is switched, and A digital rearview mirror characterized by controlling the degree of adjustment of the rearview mirror (100) upon receiving the above position transmission signal.

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