KR102074332B1 - Automotive fingerprint sensor assembly - Google Patents

Abstract

The present invention relates to a fingerprint sensor assembly with a reinforced waterproof function for a vehicle. According to one embodiment of the present invention, the fingerprint sensor assembly for a vehicle comprises: a fingerprint sensor installed to expose a fingerprint recognition surface to the outside through a sensing mounting groove formed in a housing of a vehicle component; a fingerprint sensor circuit board disposed on the rear surface of the fingerprint sensor and electrically connected to the fingerprint sensor; a bezel coupled to the fingerprint sensor circuit board while surrounding an edge of the fingerprint sensor and fixing the fingerprint sensor to the upper part of the fingerprint sensor circuit board; a side fill sealing a gap between the bezel and the housing; a first tape attached between the bezel and the fingerprint sensor to seal a gap between the bezel and the fingerprint sensor; an under fill sealing a gap between the fingerprint sensor and the fingerprint sensor circuit board; and a second tape attached between the housing and the fingerprint sensor circuit board to seal a gap between the housing and the fingerprint sensor circuit board.

Description

Automotive fingerprint sensor assembly {AUTOMOTIVE FINGERPRINT SENSOR ASSEMBLY}

Various embodiments of the present invention relate to a vehicle fingerprint sensor assembly and a vehicle component including the same.

Fingerprint recognition technology is a technology mainly used to prevent various security accidents by going through the user registration and authentication process.

Recently, an atmosphere using a fingerprint sensor has also been formed in vehicles. For example, the fingerprint sensor may be used as a means for unlocking the door of the vehicle. Alternatively, the fingerprint sensor may be applied to the start switch of the vehicle.

As such, when the door of the vehicle is opened / locked by the user's fingerprint recognition technology, or the power on / off and the starting on / off operation of the vehicle are possible, the vehicle can be used even if the user does not always have a key. There is an advantageous aspect.

However, the fingerprint sensor has a disadvantage of being vulnerable to moisture or moisture. In particular, in order to apply a fingerprint sensor to a vehicle, it is necessary to enhance the waterproof function of the fingerprint sensor.

If moisture or moisture penetrates into the interior of the fingerprint sensor for a vehicle and causes a problem in a plurality of embedded electronic components, it may cause serious inconvenience to the vehicle user.

Therefore, in order to apply the fingerprint sensor technology to a vehicle, development of a vehicle fingerprint sensor with enhanced waterproof function must be prioritized.

As a prior document related to the present invention, Korean Patent Publication No. 10-2015-0102427 (2015.09.07. Notification date) discloses a fingerprint recognition system for a vehicle. Disclosed is a vehicle fingerprint recognition system disclosed herein is applied to the means for extracting the fingerprint of the door handle, the start button and the like. However, the fingerprint extraction means disclosed in the prior document does not present any configuration for enhancing the waterproof function.

It is an object of the present invention to provide a fingerprint sensor assembly for a vehicle having a waterproof function to prevent moisture and moisture from penetrating into the fingerprint sensor, thereby preventing malfunction of a plurality of embedded electronic components and lowering a failure rate.

The objects of the present invention are not limited to the above-mentioned objects, and other objects and advantages of the present invention which are not mentioned above can be understood by the following description, and will be more clearly understood by the embodiments of the present invention. Also, it will be readily appreciated that the objects and advantages of the present invention may be realized by the means and combinations thereof indicated in the claims.

According to an aspect of the present invention can provide a fingerprint sensor assembly for a vehicle is enhanced waterproof to prevent the penetration of moisture and moisture into the fingerprint sensor.

A fingerprint sensor assembly for a vehicle according to an embodiment of the present invention includes a fingerprint sensor installed so that a fingerprint recognition surface is exposed to the outside through a sensor mounting groove provided in a housing of a vehicle component; A fingerprint sensor circuit board disposed on a rear surface of the fingerprint sensor and electrically connected to the fingerprint sensor; A bezel fastened to the fingerprint sensor circuit board while surrounding the edge of the fingerprint sensor, and fixing the fingerprint sensor to an upper portion of the fingerprint sensor circuit board; A side pill sealing a gap between the bezel and the housing; A first tape attached between the bezel and the fingerprint sensor to seal a gap between the bezel and the fingerprint sensor; An underfill sealing a gap between the fingerprint sensor and the fingerprint sensor circuit board; And a second tape attached between the housing and the fingerprint sensor circuit board to seal a gap between the housing and the fingerprint sensor circuit board.

The bezel is made of an ESD-proof material and wraps around the edge of the fingerprint sensor and extends in a direction spaced apart from the fingerprint sensor from a distal end of the fastening protrusion with a fastening protrusion formed to protrude a predetermined length in the thickness direction of the fingerprint sensor. It can be provided with a wedge-shaped extension protrusion.

The fingerprint sensor circuit board may have a shape in which the fastening protrusion may be inserted corresponding to the position of the fastening protrusion, the fastening protrusion may be inserted, and the extension protrusion may be electrically connected after being penetrated. A coupling hole may be provided to enable coupling between the sensor circuit boards.

The fingerprint sensor circuit board may be formed at intervals along the side, and may further include a guide groove and a guide protrusion for guiding the assembly position to be assembled only to the housing and the set position.

The side fill may be bonded to have a right triangular cross-sectional shape to seal between the bezel and the housing, and a first surface of the right triangular cross-sectional shape of the side fill may be formed to closely seal the side surface of the bezel. The second surface of the triangular cross-sectional shape is formed in close contact with the upper surface of the sensor mounting groove, and the third surface of the triangular cross-sectional shape of the side fill has a first inclined surface between the first surface and the second surface. Can be formed.

The first tape is attached between the lower surface of the bezel and the upper surface of the fingerprint sensor located around the fingerprint recognition surface to seal a gap between the bezel and the fingerprint sensor and between the bezel and the fingerprint sensor. Can temporarily fix the assembled state.

The underfill is bonded to seal between the fingerprint sensor and the fingerprint sensor circuit board. The underfill penetrates between the fingerprint sensor and the fingerprint sensor circuit board to provide a waterproof and bonding function.

The second tape may be provided between an inner surface of the housing and an upper surface of the fingerprint sensor circuit board. The second tape also serves to bond the inner surface of the housing and the upper surface of the fingerprint sensor circuit board, but prevents moisture or moisture from penetrating between the inner surface of the housing and the upper surface of the fingerprint sensor circuit board. Provides the ability to enhance. In addition, when assembling the product may provide a buffer function between the inner surface of the housing and the upper surface of the fingerprint sensor circuit board.

The second tape is provided between the inner surface of the housing and the upper surface of the fingerprint sensor circuit board, one side of the attached end face is in close contact with the underfill, and the other side of the end face is located at the side of the housing rather than the side fill position It can be formed extending close to.

The fingerprint sensor has a disc-shaped body, and has a decut portion on one side of the disc-shaped body, and the remaining circumferential surface except the decut portion may have a circular circumferential surface.

The underfill includes a decut portion formed by bonding a straight line between the fingerprint sensor and the fingerprint sensor circuit board along the decut portion of the fingerprint sensor.

According to the present invention, a fingerprint sensor assembly for a vehicle may prevent moisture and moisture from penetrating into the fingerprint sensor, thereby preventing malfunction of a plurality of embedded electronic components and lowering a failure rate.

Accordingly, according to the present invention, the product reliability of the vehicle user can be improved by enhancing the quality of the fingerprint sensor for the vehicle, and the user satisfaction can be increased.

In addition to the effects described above, the specific effects of the present invention will be described together with the following description of specifics for carrying out the invention.

1 is a perspective view briefly showing a fingerprint sensor assembly for a vehicle according to an embodiment of the present invention.
2 is a cross-sectional view schematically showing a fingerprint sensor assembly for a vehicle according to an embodiment of the present invention.
Figure 3 is an exploded perspective view briefly showing a fingerprint sensor assembly for a vehicle according to an embodiment of the present invention.
4 illustrates a bezel of a fingerprint sensor assembly for a vehicle according to an exemplary embodiment of the present invention.
FIG. 5 illustrates a side fill of a fingerprint sensor assembly for a vehicle according to an exemplary embodiment of the present invention.
FIG. 6 illustrates a first tape in a fingerprint sensor assembly for a vehicle according to an exemplary embodiment of the present invention.
7 is a diagram illustrating a fingerprint sensor in a vehicular fingerprint sensor assembly according to an embodiment of the present invention.
8 illustrates an underfill of a fingerprint sensor assembly for a vehicle according to an exemplary embodiment of the present invention.
FIG. 9 illustrates a second tape in a fingerprint sensor assembly for a vehicle according to an exemplary embodiment of the present invention.
10 is a diagram illustrating a substrate in a fingerprint sensor assembly for a vehicle according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention.

In order to clearly describe the present invention, parts irrelevant to the description are omitted, and like reference numerals designate like elements throughout the specification. In addition, some embodiments of the invention will be described in detail with reference to exemplary drawings. In adding reference numerals to components of each drawing, the same components may have the same reference numerals as much as possible even though they are shown in different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description may be omitted.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) can be used. These terms are only to distinguish the components from other components, and the terms are not limited in nature, order, order or number of the components. When a component is described as being "connected", "coupled" or "connected" to another component, that component may be directly connected to or connected to that other component, but between components It will be understood that the elements may be "interposed" or each component may be "connected", "coupled" or "connected" through other components.

In addition, in the implementation of the present invention may be described by subdividing the components for convenience of description, these components may be implemented in one device or module, or one component is a plurality of devices or modules It can also be implemented separately.

Automotive Fingerprint Sensor Assembly

1 to 3 are a perspective view, a cross-sectional view, and an exploded perspective view briefly showing a fingerprint sensor assembly for a vehicle according to an embodiment of the present invention.

The present invention provides a fingerprint sensor assembly 100 for a vehicle having a waterproof function to prevent moisture and moisture from penetrating into the fingerprint sensor.

As shown, the vehicle fingerprint sensor assembly 100 according to an embodiment of the present invention is a fingerprint sensor 110, the fingerprint sensor circuit board 170, the bezel 120, the side fill 130, the first tape ( 140, the underfill 150, and the second tape 160.

The fingerprint sensor 110 may be installed to expose the fingerprint recognition surface to the outside through the sensor mounting groove 103 provided in the housing 101 of the vehicle component (eg, a door or a start switch button).

The fingerprint sensor circuit board 170 is disposed at the rear of the fingerprint sensor 110. For example, when the fingerprint sensor 110 is located at an upper portion as shown in FIGS. 1 and 2, the fingerprint sensor circuit board 170 may be disposed below the rear surface of the fingerprint sensor 110. .

The fingerprint sensor circuit board 170 is electrically connected to the fingerprint sensor 110 and provides a function of transmitting a fingerprint recognition signal of the fingerprint sensor 110.

The bezel 120 may have a structure in which the bezel 120 is electrically connected to the fingerprint sensor circuit board 170 while surrounding the edge of the fingerprint sensor 110.

In other words, the bezel 120 may fix the fingerprint sensor 110 to the upper portion of the fingerprint sensor circuit board 170. In this case, only the edge portion of the fingerprint sensor 110 is wrapped and fixed by the bezel 120. The fingerprint recognition surface to which the user's finger is touched may be exposed to the outside.

The side fill 130 seals the gap between the bezel 120 and the housing 101 of the vehicle component.

The first tape 140 may be attached between the bezel 120 and the fingerprint sensor 110. The first tape 140 seals a gap between the bezel 120 and the fingerprint sensor 110.

The underfill 150 seals a gap between the fingerprint sensor 110 and the fingerprint sensor circuit board 170.

The second tape 160 may be attached between the housing 101 of the vehicle component and the fingerprint sensor circuit board 170. The second tape 160 seals the gap between the housing 101 and the fingerprint sensor circuit board 170.

Hereinafter, the detailed configuration included in the fingerprint sensor assembly for a vehicle according to an embodiment of the present invention will be described in detail with reference to FIGS. 4 to 10.

Bezel

4 illustrates a bezel of a fingerprint sensor assembly for a vehicle according to an exemplary embodiment of the present invention.

The bezel 120 has a structure that is assembled and fastened to the fingerprint sensor circuit board 170 while surrounding the edge of the fingerprint sensor 110 as described with reference to FIGS. 1 to 3, and the upper portion of the fingerprint sensor circuit board 170. Fix the fingerprint sensor 110 to the.

In particular, only the edge portion of the fingerprint sensor 110 is wrapped and fixed by the bezel 120, and the fingerprint recognition surface to which the user's finger is touched may be exposed to the outside.

Referring to FIG. 4, the bezel 120 may be formed of an ESD protection material. Here, ESD means Electro Static Discharge, the bezel 120 may be formed of a material that can prevent the electrostatic discharge. Various kinds of these ESD protection materials may be used, but are not limited to specific materials, and various materials apparent to those skilled in the art may be used.

The bezel 120 may have an annular body having a larger diameter than the fingerprint sensor 110 to surround the edge of the circular fingerprint sensor 110. In addition, the bezel 120 further includes four fastening protrusions 121 and extension protrusions 123 protruding to the rear of the fingerprint sensor 110 with a 90 degree center angle therebetween.

Specifically, the fastening protrusion 121 may be formed to protrude to a predetermined length in the thickness direction of the fingerprint sensor 110 while surrounding the edge of the fingerprint sensor 110.

In addition, the extension protrusion 123 extends in a direction spaced apart from the direction in which the fingerprint sensor 110 is received from the distal end of the fastening protrusion 121, that is, the outward direction from the extending direction of the fastening protrusion 121, and has a wedge shape. Can have.

Meanwhile, the fingerprint sensor circuit board 170 (see FIG. 3) is provided with a fastening hole 171 (see FIG. 3). The fastening hole 171 (see FIG. 3) has a shape in which the fastening protrusion 121 can be inserted corresponding to the position of the fastening protrusion 121. The fastening protrusion 121 is inserted through the fastening hole 171 (see FIG. 3), and the extension protrusion 123 formed at the distal end portion thereof penetrates the fastening hole 171 (see FIG. 3) and then electrically connects to the substrate. Butt welding, etc.). As a result, connection and energization between the bezel 120 and the fingerprint sensor circuit board 170 (see FIG. 3) may be enabled.

Side fill

FIG. 5 illustrates a side fill of a fingerprint sensor assembly for a vehicle according to an exemplary embodiment of the present invention.

Side fill 130 seals the gap between bezel 120 and housing 101 of the vehicle component as described with reference to FIGS.

Referring to FIG. 5, the side fill 130 is bonded to seal between the bezel 120 (see FIG. 2) and the housing 101 (see FIG. 2). This prevents moisture or moisture from penetrating between the bezel 120 (see FIG. 2) and the housing 101 (see FIG. 2).

Referring to Figure 2 will be described with respect to the rectangular cross-sectional shape bonding structure for waterproofing the side fill 130. Side fill 130 has a right triangle cross-sectional shape bonding structure to seal between the bezel 120 and the housing 101.

The first surface of the right triangle cross-sectional shape of the side fill 130 is closely adhered to the side of the bezel 120 to seal the side of the bezel 120.

In addition, the second surface of the right triangle cross-sectional shape of the side fill 130 to seal the top surface of the step-shaped groove, that is, the sensor mounting groove 103 provided for installing the fingerprint sensor 110 in the upper portion of the housing 101. Adheres horizontally.

In addition, the third surface, which is the other surface of the right triangle cross-sectional shape of the side fill 130, forms a first inclined surface 131 (see FIG. 5) formed to be inclined between the first and second surfaces. Accordingly, most of the moisture or moisture may be removed while flowing along the bezel 120, the first inclined surface 131 (see FIG. 5), the housing 101, and if some moisture or moisture is removed from the bezel 120 and the housing Even when it is going to penetrate inside through the clearance gap between 101, the waterproof structure can be exhibited by the sealing structure of the side fill 130. FIG.

First tape

FIG. 6 illustrates a first tape in a fingerprint sensor assembly for a vehicle according to an exemplary embodiment of the present invention.

The first tape 140 is attached between the bezel 120 and the fingerprint sensor 110 as described with reference to FIGS. 1 to 3, and seals the gap between the bezel 120 and the fingerprint sensor 110.

Referring to FIG. 6, the first tape 140 may be provided in the form of an annular tape having a predetermined thickness t1.

Meanwhile, as illustrated in FIG. 2, the first tape 140 may include the bezel 120 and the fingerprint sensor 110 between the lower surface of the bezel 120 and the upper surface of the fingerprint sensor 110 positioned around the fingerprint recognition surface. Attach. Accordingly, the first tape 140 has the effect of sealing the gap between the bezel 120 and the fingerprint sensor 110, as well as the bezel (120) before fastening the bezel 120 to the fingerprint sensor circuit board 170. By temporarily fixing the position between the 120 and the fingerprint sensor 110, it may play a role of maintaining the mutual assembly state until the bezel 120 is fastened.

Fingerprint sensor

7 is a diagram illustrating a fingerprint sensor in a vehicular fingerprint sensor assembly according to an embodiment of the present invention.

As described with reference to FIGS. 1 to 3, the fingerprint sensor 110 may have a fingerprint recognition surface outside through a sensor mounting groove 103 provided in a housing 101 of a vehicle component (for example, a door or a start switch button). Installed to be exposed.

Referring to FIG. 7, the fingerprint sensor 110 has a disc shaped body. Specifically, the fingerprint sensor 110 includes a decut portion 111 on one side of the disc-shaped body. And the remaining circumferential surface except for the decut portion 111 has a circular circumferential surface (113). The shape and size of the fingerprint sensor 110 is not necessarily limited to the illustrated form, and may be changed little by little. If the decut portion 111 is formed among the shapes of the fingerprint sensor 110, the shape of the underfill 150 to be described later may also be formed to include the decut portion 153. The decut portion 153 of the underfill 150 refers to a portion formed by forming a straight line between the fingerprint sensor 110 and the fingerprint sensor circuit board 170 along the decut portion 111 of the fingerprint sensor 110. (See Figure 8).

Under Peel

8 illustrates an underfill of a fingerprint sensor assembly for a vehicle according to an exemplary embodiment of the present invention.

The underfill 150 seals a gap between the fingerprint sensor 110 (see FIG. 2) and the fingerprint sensor circuit board 170 (see FIG. 2). The underfill 150 blocks moisture and moisture that penetrates between the fingerprint sensor 110 (see FIG. 2) and the fingerprint sensor circuit board 170 (see FIG. 2) to penetrate therebetween and provides a bonding function. Accordingly, even when the side fill 130 and the first tape 140 are sealed, even when moisture or moisture flows into the gap between the bezel 120 and the housing 101, the fingerprint by the under fill 150 By the sealing effect between the sensor 110 and the fingerprint sensor circuit board 170 it is possible to prevent the internal penetration of moisture or moisture.

Second tape

FIG. 9 illustrates a second tape in a fingerprint sensor assembly for a vehicle according to an exemplary embodiment of the present invention.

The second tape 160 is provided between the housing 101 (see FIG. 2) of the vehicle component and the fingerprint sensor circuit board 170 (see FIG. 2), so that a gap between the housing 101 and the fingerprint sensor circuit board 170 is provided. Seal it.

Referring to FIG. 9, the second tape 160 may be provided in the form of an annular tape having a predetermined thickness t2. However, the second tape 160 may be provided in a form different in diameter and thickness from the aforementioned first tape 140.

Referring to FIG. 2, the second tape 160 may be provided between the inner surface of the housing 101 and the upper surface of the fingerprint sensor circuit board 170.

The second tape 160 also serves to bond the inner surface of the housing 101 and the upper surface of the fingerprint sensor circuit board 170, but the inner surface of the housing 101 and the fingerprint sensor circuit board 170. It provides a function to strengthen the waterproof structure by blocking the penetration of moisture or moisture between the upper surface of the. In addition, when assembling the product may play a buffer role between the inner surface of the housing 101 and the upper surface of the fingerprint sensor circuit board 170. In detail, the second tape 160 is provided between the inner surface of the housing 101 and the upper surface of the fingerprint sensor circuit board 170, and one side of the cross-section provided is in close contact with at least a portion of the underfill 150. In addition, the cross-section may have a structure in which the other side of the cross-section is extended to be closer to the side of the housing 101 than the position of the side fill 130. By such a structure, one side of the cross section of the underfill 150 and the second tape 160 has a continuous sealing structure, so that an effect of preventing moisture or moisture from penetrating into the inside may be enhanced. In addition, as the other end surface of the second tape 160 extends longer than the outside of the side fill 130, a more stable close contact structure is formed between the fingerprint sensor circuit board 170 and the inner surface of the housing 101. Structural stability can be improved.

Fingerprint Sensor Circuit Board

10 is a diagram illustrating a substrate in a fingerprint sensor assembly for a vehicle according to an embodiment of the present invention.

The fingerprint sensor circuit board 170 is described above with reference to FIGS. 1 to 3, and the fingerprint sensor circuit board 170 is disposed at the rear of the fingerprint sensor 110 and electrically connected to the fingerprint sensor 110. The fingerprint recognition signal of the sensor 110 is transmitted.

Referring to FIG. 10, the fingerprint sensor circuit board 170 includes a fastening hole 171. The fastening hole 171 has a shape in which the fastening protrusion 121 (see FIG. 4) can be inserted corresponding to the position of the fastening protrusion 121 (see FIG. 4). After the fastening protrusion 121 (see FIG. 4) is inserted through the fastening hole 171, the extension protrusion 123 (see FIG. 4) may be electrically connected to the fingerprint sensor circuit board 170.

In addition, the fingerprint sensor circuit board 170 further includes a plurality of guide grooves 175 and a plurality of guide protrusions 177. The plurality of guide grooves 175 and the plurality of guide protrusions 177 may be formed at predetermined intervals along the side surface of the fingerprint sensor circuit board 170. For example, two guide grooves 175 may be formed at positions facing each other, and two guide protrusions 177 may be formed at positions facing each other. As such, as the plurality of guide grooves 175 and the plurality of guide protrusions 177 are provided, the fingerprint sensor circuit board 170 may be assembled only with the vehicle component housing 101 at the set position and the set direction. Thus, the assembly position can be guided to a predetermined position.

In addition, a plurality of circular holes 173 penetrating in the thickness direction may be further formed inside the fingerprint sensor circuit board 170.

As described above, according to the configuration and operation of the present invention, by preventing the penetration of moisture and moisture into the interior of the fingerprint sensor, there is an advantage that can prevent malfunction of a plurality of embedded electronic components and lower the failure rate.

Accordingly, the product reliability of the vehicle user can be improved by enhancing the quality of the fingerprint sensor for the vehicle, and the user satisfaction can be improved.

Although the present invention has been described with reference to the drawings exemplified as above, the present invention is not limited to the embodiments and drawings disclosed herein, and various modifications may be made by those skilled in the art within the scope of the technical idea of the present invention. It is obvious that modifications can be made.

100: vehicle fingerprint sensor assembly
101: housing (or housing) for vehicle parts
103: sensor mounting groove
110: fingerprint sensor
111: decut part
113: circular circumference
120: bezel
121: fastening protrusion
123: extension protrusion
130: side fill
131: first inclined surface
140: first tape
150: underfill
151: second slope
153: decut shape
160: second tape
170: fingerprint sensor circuit board
171: coupling hole
173: rotunda
175: guide groove
177: guide turning

Claims (10)

Fingerprint sensor is installed so that the fingerprint recognition surface is exposed to the outside through the sensor mounting groove provided in the housing of the vehicle component;
A fingerprint sensor circuit board disposed on a rear surface of the fingerprint sensor and electrically connected to the fingerprint sensor;
A bezel fastened to the fingerprint sensor circuit board while surrounding the edge of the fingerprint sensor, and fixing the fingerprint sensor to an upper portion of the fingerprint sensor circuit board;
A side pill sealing a gap between the bezel and the housing;
A first tape attached between the bezel and the fingerprint sensor to seal a gap between the bezel and the fingerprint sensor;
An underfill sealing a gap between the fingerprint sensor and the fingerprint sensor circuit board; And
A second tape attached between the housing and the fingerprint sensor circuit board to seal a gap between the housing and the fingerprint sensor circuit board;
Vehicle fingerprint sensor assembly comprising a.
The method of claim 1,
The bezel,
A fastening protrusion formed to protrude a predetermined length in a thickness direction of the fingerprint sensor while surrounding the edge of the fingerprint sensor;
It is provided with a wedge-shaped extension protrusion extending in the direction away from the fingerprint sensor from the distal end of the fastening protrusion,
The fingerprint sensor circuit board,
The fastening protrusion has a shape in which the fastening protrusion can be inserted corresponding to the position of the fastening protrusion, and the fastening protrusion is inserted and the extension protrusion is electrically connected after being penetrated, thereby enabling coupling between the bezel and the fingerprint sensor circuit board. Characterized in that it has a coupling hole
Automotive fingerprint sensor assembly.
The method of claim 2,
The fingerprint sensor circuit board,
It is formed at intervals along the side, and further comprising a guide groove and a guide protrusion for guiding the assembly position to be assembled only to the housing and the set position, characterized in that
Automotive fingerprint sensor assembly.
The method of claim 1,
The side peel,
Bonding is formed to have a rectangular triangular cross-sectional shape to seal between the bezel and the housing,
The first surface of the right triangle cross-sectional shape of the side fill is formed in close contact with the side surface of the bezel,
The second surface of the right triangle cross-sectional shape of the side fill is formed in close contact to seal the upper surface of the sensor mounting groove,
The third surface of the right triangle cross-sectional shape of the side fill forms a first inclined surface between the first surface and the second surface
Automotive fingerprint sensor assembly.
The method of claim 1,
The first tape,
It is attached between the lower surface of the bezel and the upper surface of the fingerprint sensor located around the fingerprint recognition surface, and seals the gap between the bezel and the fingerprint sensor, and temporarily assembled between the bezel and the fingerprint sensor Characterized in that fixed
Automotive fingerprint sensor assembly.
The method of claim 1,
The underfill,
Bonding is formed to seal between the fingerprint sensor and the fingerprint sensor circuit board,
The underfill penetrates between the fingerprint sensor and the fingerprint sensor circuit board to provide waterproof and bonding functions.
Automotive fingerprint sensor assembly.
The method of claim 1,
The second tape,
And an inner surface of the housing and an upper surface of the fingerprint sensor circuit board.
Automotive fingerprint sensor assembly.
The method of claim 1,
The fingerprint sensor,
It has a disc-shaped body, provided with a decut portion on one side of the disc-shaped body, the remaining peripheral surface except the decut portion is characterized in that it has a circular circumferential surface
Automotive fingerprint sensor assembly.
The method of claim 8,
The underfill,
A decut portion is formed by bonding a straight line between the fingerprint sensor and the fingerprint sensor circuit board along the decut portion of the fingerprint sensor.
Automotive fingerprint sensor assembly.
The method of claim 1,
The bezel,
Characterized in that the ESD protection material
Automotive fingerprint sensor assembly.

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