KR20150021436A - Camera module and electronic device including the same - Google Patents

Abstract

A camera module according to an embodiment of the present invention comprises: a lens housing to arrange a lens; window glass which is made of transparent materials and is formed to cover the lens housing; and a coil conductor unit which is formed between the outside of the lens and the inside of the window glass, thereby allowing an antenna communication without expanding an opening of a metal conductor cover.

Description

The present invention relates to a camera module and an electronic device including the camera module.

The present invention relates to a camera module and an electronic device including the camera module.

In recent years, RFID systems (Radio Frequency Identification) such as NFC (Near Field Communication) have been used for electronic devices such as smart phones, tablet PCs and notebooks.

The RFID system (Radio frequency identification) is an example of an antenna system for transmitting or receiving signals, and the antenna system is implemented as a module having a coil conductor.

When the antenna system is applied to a metal case, a magnetic flux passing through a metal surface induces eddy currents in the metal, thereby generating a repulsive field of a magnetic field due to a lens's law. The repulsive field reduces the recognition distance of the antenna system for communication.

In the following Patent Document 1, the conductor layer includes an opening portion and a slit portion formed between the opening portion and the edge of the conductor layer. When a current flows through the coil conductor, current flows around the opening portion, The current is circulated to the edge of the conductor layer.

Patent Document 1 has a disadvantage in that a separate injection structure for covering the slit is required in order to prevent inflow of contaminants such as dust because the slit portion is formed in the conductor layer.

Japanese Patent Publication No. 4687832

SUMMARY OF THE INVENTION An object of the present invention is to provide a camera module and an electronic device including the camera module, which are positioned in correspondence with the opening portion and do not extend the opening portion of the metal conductor cover.

A camera module according to an embodiment of the present invention includes a lens housing in which a lens is disposed; A window glass formed of a transparent material and formed to cover the lens housing; And a coil conductor portion formed between the inside of the window glass and the outside of the lens.

The window glass may be formed with a shielding coating layer for preventing the coil conductor portion from being exposed to the outside.

The coil conductor portion is formed on the substrate, is wound on the outer side with respect to the non-conductor portion of the substrate, and the conductor non-forming portion is formed with a through hole through which the lens is exposed.

The coil conductor portion may be in-mold injected into the window glass to be buried.

A seating groove may be formed at an edge of the lens housing for seating the coil conductor.

The coil conductor portion may be formed on a substrate having a through hole through which protrusions formed by the seating grooves are formed.

The lens housing may comprise a magnetic material.

The coil conductor portion may be formed on the upper surface of the window glass.

The lens housing includes a shoulder protruding in a direction perpendicular to an optical axis direction, and the coil conductor portion may be formed on an upper surface or a lower surface of the shoulder portion.

The coil conductor portion may be formed by winding in the optical axis direction of the lens housing.

The lens housing in which the coil conductor portion is wound may comprise a magnetic material.

The lens housing may include a light source unit module in which the light source unit is integrally formed.

The coil conductor portion may be attached to the light source integrated module.

The coil conductor portion may be wound on the light source integrated module in the optical axis direction.

In another aspect, a camera module according to an embodiment of the present invention includes a lens housing including a lens; A camera module case coupled to the lens housing and having a through hole for exposing the lens to light; And a coil conductor formed on the upper surface of the module case on the outer side with respect to the through hole to receive or receive a signal.

The coil conductor portion further includes a magnetic sheet formed on a surface of the flexible substrate on which the substrate hole corresponding to the through hole is formed, the magnetic sheet being formed on the outer side of the substrate hole with respect to the substrate hole, can do.

The lens housing may include a light source unit module in which the light source unit is integrally formed.

In another aspect, an electronic device according to another embodiment of the present invention includes a frame in which an opening is formed; And a camera module including a coil conductor disposed in the opening in a plane and transmitting or receiving a signal, the camera module comprising: a camera module having a plurality of openings, Modules can be combined.

The coil conductor portion may be exposed to the outside of the opening portion.

The frame may comprise a metallic metal material.

The camera module may include a light source unit module in which the light source unit is integrally formed.

According to the antenna module and the electronic device including the antenna module according to the embodiment of the present invention, unnecessary openings such as slits can be eliminated in the metal case, thereby increasing the degree of freedom in designing the case.

Further, the coil conductor portion is provided inside the opening portion to enable wireless communication even though the radius of the coil conductor portion is reduced.

Further, by implementing the housing of the camera module with a magnetic material, the local communication performance can be improved.

1 is an exploded perspective view schematically illustrating an electronic device according to an embodiment of the present invention;
2 is a schematic exploded perspective view of an electronic device in which an antenna module according to an embodiment of the present invention is installed;
3 is a schematic perspective view of an antenna module according to an embodiment of the present invention;
4 is a sectional view taken along line A-A 'in Fig. 3;
5 is a schematic perspective view of a camera module according to a first embodiment of the present invention;
Figure 6 is a schematic exploded perspective view of Figure 5;
7 is a schematic enlarged view of a first modification of the first embodiment;
8 is a schematic enlarged view of a second modification of the first embodiment.
9 is a schematic enlarged view of a third modification of the first embodiment.
10 is a schematic perspective view of a camera module according to a second embodiment of the present invention;
11 is a schematic perspective view of a camera module according to a third embodiment of the present invention.
12 is a schematic perspective view of a light source unit type camera module according to a fourth embodiment of the present invention.
13 is a schematic perspective view of a coil conductor portion applied to a light source integrated camera module according to a fourth embodiment of the present invention;
14 is a schematic perspective view of an electronic device to which a camera module according to a fifth embodiment of the present invention is applied.
15 is a schematic perspective view of a camera module according to a fifth embodiment of the present invention;
16 is a sectional view taken along the line B-B 'in Fig.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventive concept. Other embodiments falling within the scope of the inventive concept may readily be suggested, but are also considered to be within the scope of the present invention.

The same reference numerals are used to designate the same components in the same reference numerals in the drawings of the embodiments.

Electronic device

1 is an exploded perspective view schematically showing an electronic device according to an embodiment of the present invention.

1, an electronic device 1 according to an embodiment of the present invention may include a frame 2, an antenna module 5, and an electronic component module 4. [

The frame 2 may be a case forming the appearance of the electronic device 1 and the frame 2 of the present embodiment may include an outer frame 22 including a metal material. The outer frame 22 may coat the conductor from the outside or form the outer frame 22 with metal metal.

The frame 2 may include the inner frame 24 and the outer frame 22 as a cover.

An electronic component module such as a battery 245, a camera module 4, a light source 242, a microphone module 245, and the like may be mounted on the inner frame 24, 22 can be connected. Since the camera module 4, the light source 242 and the microphone module 245 must be exposed to the outside of the outer frame 22, the openings 222, 224, and 226 are formed in the outer frame 22, Can be formed.

An eddy current is generated in the outer frame 22 of the metal metal when a current flows in the antenna module 5 so that the other wireless electronic device or the short- And the like.

At this time, the antenna module 5 is disposed in the outer frame 22 at a position corresponding to the opening 222, so that communication deterioration due to the metal case can be reduced.

In the embodiment of FIG. 1, the camera module 4 is illustrated as an electronic component module in which the antenna module 5 is formed. However, the electronic component module is not limited thereto, but a separate antenna module 5 may be formed, It may be formed on the frame 24.

The antenna module 5 may be formed on the camera module 4, the light source unit 242 or the microphone module 246 or may be formed on a mating part between the camera module 4 and the light source unit 242 .

The electronic device 1 of this embodiment can be formed by including all the electronic component modules described below.

Antenna module

FIG. 2 is a schematic exploded perspective view of an electronic device in which an antenna module according to an embodiment of the present invention is installed, FIG. 3 is a schematic perspective view of an antenna module according to an embodiment of the present invention, FIG. A 'in Fig.

Referring to Figs. 2 to 4, the electronic component module of the present embodiment is an antenna module 5 that modularizes the antenna conductor.

The antenna module 5 may be disposed at a position corresponding to a separate opening 225 in the outer frame 22 of the electronic device 1. [

The antenna module 5 may include a coil conductor portion 52 and a flexible substrate 52 on which the coil conductor portion 52 is formed and the flexible conductor substrate 52 on which the coil conductor portion 52 is formed 52 may be formed on the module sheet 56.

The coil conductor portion 52 may be wound outside on the basis of the conductor non-forming portion 55 of the substrate 54.

Such an antenna module 5 may be disposed in the inner frame 24 according to a selection of a person skilled in the art. In a plan view, the coil conductor portion 52 may be disposed in the opening 225 of the outer frame 22 made of metal.

The coil conductor portion 52 of this embodiment is formed on the flexible board 52 by a method such as plating or etching printing but a conductive wire such as copper, 56).

In addition, the substrate 54 on which the coil conductor portion 52 is formed may be in-mold formed of a resin material or a magnetic material to form a single module.

Meanwhile, in order to use the antenna module 5 as an NFC antenna module for short-range communication, the module sheet 56 may be a magnetic sheet.

The magnetic sheet may include at least one of NiZnCu-based ferrite, MnZn-based ferrite, and Ni, Fe, and Co-based amorphous metals.

The magnetic sheet may be formed of a material selected from the group consisting of chlorinated polyethylene (CPE), polypropylene (PP), ethylene propylene rubber (EPDM), natural rubber (NR), nitrile- A resin of at least one of nitrile butadiene rubber, polyvinyl chloride (PVC), polyimide resin, and polyester resin may be included. In addition, it is also possible to use a plastic material such as polyethylene (PE), polystyrene (PS), polyethylene terephthalate (PET), polyamide (PA), polyurethane (PU), polycarbonate At least one of polyvinylidene chloride (PVDC), epoxy and ABS resins may be included in the magnetic sheet.

Camera module

FIG. 5 is a schematic perspective view of a camera module according to a first embodiment of the present invention, and FIG. 6 is a schematic exploded perspective view of FIG.

5 and 6, the camera module 4 of the first embodiment of the present invention may include a lens housing 6, a window glass 42, and a coil conductor portion 52.

The lens housing 6 is an exterior part for arranging the lens L in the direction of the optical axis and includes a lens barrel 64 to which the lens L is fixed and upper and lower housings 62, 66 and the substrate 68 on which the image sensor 70 is mounted.

The present embodiment may include a window glass 42 formed to cover the lens housing.

The window glass 42 may be formed to cover the upper housing 62 to protect the lens L from the through hole formed in the upper housing 62. [

The upper housing 62 may have a seating groove 622 for stably mounting the window glass 42 therein.

In addition, the protective cover 45 may be coupled to the upper housing 62 for stable fixing of the window glass 42.

The outer surface of the upper housing 62 is in contact with the protective cover 45 to prevent foreign matter from entering the lens housing 6. [ The protective cover portion 45 can be removed if necessary.

The coil conductor portion 52 may be formed on the flexible substrate 54 and may be used as the antenna module 5 described above. A module sheet 56 made of a magnetic material may be formed on the lower portion of the flexible board 54. When the module sheet 56 of magnetic material is not used, the upper housing 62 may be used as an ejector of a magnetic material.

Here, the description of the magnetic material and the antenna module 5 is based on the above description. However, the conductor non-forming portion of the antenna module 5 of this embodiment may be formed with the through hole 57 for exposing the lens L. [

In a plan view, the coil conductor portion 52 is formed between the inside of the window glass 42 on the outside of the lens L, and can transmit or receive a signal.

The window glass 42 may be formed with a black coating layer 425 for preventing the coil conductor 52 from being exposed from the outside. The center of the shielding coating layer 425 may not be coated with black to expose the lens L. [

FIG. 7 is a schematic enlarged view of the first modification of the first embodiment, FIG. 8 is a schematic enlarged view of the second modification of the first embodiment, and FIG. 9 is a schematic enlarged view of the third modification of the first embodiment.

Referring to FIG. 7, an antenna module 5 including the coil conductor portion 52 may be formed on the window glass 42. In this case, the shielding coating layer 425 may be formed on the antenna module 5 to prevent exposure of the coil conductor portion 52.

Referring to FIG. 8, the coil conductor portion 52 may be in-mold injected into the window glass 42 to be buried. The coil conductor portion 52 may be integrally formed with the window glass 42 and may be embedded between the window glass 42 or formed on the surface thereof.

9, a seating groove 624 is formed at an edge of the lens housing 62 to seat the coil conductor 52, and the coil conductor 52 is inserted into the seating groove 624 And a through hole 57 through which the protrusion 626 formed by the protrusion 626 is formed.

In this case, the height of the protrusion 626 and the height of the antenna module 5 may be substantially the same for the window glass 42 to be seated.

Here, the lens housing 62 is an injection body that is injected with a magnetic material, and the coil conductor portion 52 can wind the lens housing 62 with a metal lead.

The chafe coating layer 425 may be disposed below the window glass 42 to prevent peeling by external contact.

FIG. 10 is a schematic perspective view of a camera module according to a second embodiment of the present invention, and FIG. 11 is a schematic perspective view of a camera module according to a third embodiment of the present invention.

Referring to FIG. 10, the upper housing 62 of the present invention may be formed with a shoulder 65 protruding in a direction perpendicular to the optical axis direction. The coil conductor portion 52 may be formed on the upper surface or the lower surface of the shoulder portion 65. Since the coil conductor portion 52 may have a conductor pattern having a relatively long length, Can also function as a.

Referring to FIG. 11, the coil conductor portion 52 is formed by winding in the direction of the optical axis of the lens housing 6. The coil conductor portion 52 may be a structure of a conductor pattern formed on the flexible substrate 54 and may be formed by winding a wire in the lens housing 6 in the optical axis direction as shown in FIG.

The lens housing 6 in which the coil conductor portion 52 is wound may include a magnetic material to realize an NFC module suitable for short-range communication.

FIG. 12 is a schematic perspective view of a light source integrated module according to a fourth embodiment of the present invention, and FIG. 13 is a schematic perspective view of a coil conductor portion applied to the light source integral module of the fourth embodiment of the present invention.

Referring to the embodiment of Figure 12, the lens housing may include the light source integral module 80 in the opening 222 of the frame 2 of metal. The camera module 4 and the light source unit 242 may be formed as one component in the light source integrated module 80. In this embodiment, the camera module 4 is integrated with the light source unit 242, but the light source unit and the camera module may be integrated without being assembled.

The light source integrated module 80 may be formed by attaching the antenna module 5 including the magnetic substance sheet 56 and the flexible substrate 54 to the light source integrated module 80 as in the embodiment of FIG. .

11, the coil conductor portion may be formed in the module case 62 of the light source integrated module 80 by being wound in the optical axis direction. Here, the module case 62 of the light source integrated module 80 may include a magnetic material to implement an NFC module suitable for short-distance communication.

15 is a schematic perspective view of a camera module according to a fifth embodiment of the present invention, and FIG. 16 is a sectional view taken along the line B-B 'in FIG. 14. FIG. 14 is a schematic perspective view of an electronic device to which a camera module according to a fifth embodiment of the present invention is applied, to be.

The embodiment of FIG. 14 may include a module case 62 in which a through hole 625 is formed to engage with the lens housing 66 and expose the lens to light. Here, the module case 62 may be a shield can for electromagnetic shielding.

An antenna module 5 may be installed on the upper surface of the module case 62 and includes a coil conductor portion 52 formed outside the through hole 625 to transmit or receive a signal.

The coil conductor portion 52 is formed on the outer surface of the substrate hole 57 on one side of the flexible substrate 54 on which the substrate hole 57 corresponding to the through hole 625 is formed, The magnetic substance sheet 56 may be further provided on the opposite side of the substrate 54. [

14 to 16, the electronic device to which this embodiment is applied will be described again.

The opening 222 of the outer frame 22 of the metal metal material may be in contact with the camera module 4 and the opening 222 may be sealed. That is, the camera module 4 may be formed so as to block the space formed by the opening 222 from continuing with the internal space S of the outer frame 22.

In addition, the coil conductor 52 may be exposed to the outside of the opening 222 such that the coil conductor 52 comes into contact first with a communication mechanism other than the opening 222. The structure of the present electronic device can be applied not only to this embodiment but also to other camera modules or electronic component modules.

1: Electronic device 2: Frame
4: camera module 5: antenna module
52: coil conductor portion 54: flexible substrate
56: magnetic substance sheet 6: lens housing

Claims (21)

A lens housing in which a lens is disposed;
A window glass formed of a transparent material and formed to cover the lens housing; And
And a coil conductor formed between the inner side of the window glass and the outer side of the lens.
The method according to claim 1,
Wherein the window glass is formed with a shielding coating layer for preventing the coil conductor portion from being exposed from the outside.
The method according to claim 1,
The coil conductor portion is formed on a substrate,
Wherein the first and second conductors are wound outward with respect to the conductor nonformed portion of the substrate,
And the through hole is formed in the conductor non-molding portion to expose the lens.
The method according to claim 1,
Wherein the coil conductor portion is embedded in the window glass by in-mold injection.
The method according to claim 1,
And a seating groove for seating the coil conductor is formed at an edge of the lens housing.
6. The method of claim 5,
Wherein the coil conductor portion is formed on a substrate on which a through hole through which a projection formed by the seating groove is formed is formed.
The method according to claim 1,
Wherein the lens housing comprises a magnetic material.
The method according to claim 1,
Wherein the coil conductor portion is formed on an upper surface of the window glass.
The method according to claim 1,
Wherein the lens housing includes a shoulder protruding in a direction perpendicular to an optical axis direction,
Wherein the coil conductor portion is formed on an upper surface or a lower surface of the shoulder portion.
The method according to claim 1,
Wherein the coil conductor portion is formed by being wound in the optical axis direction of the lens housing.
11. The method of claim 10,
Wherein the lens housing in which the coil conductor portion is wound comprises a magnetic material.
The method according to claim 1,
Wherein the lens housing includes a light source unit module in which the light source unit is integrally formed.
13. The method of claim 12,
Wherein the coil conductor portion is attached to the light source integrated module.
13. The method of claim 12,
Wherein the coil conductor portion is wound on the light source integrated module in the optical axis direction.
A lens housing including a lens;
A camera module case coupled to the lens housing and having a through hole for exposing the lens to light; And
And a coil conductor formed on the upper surface of the module case on the outer side with respect to the through hole, for transmitting or receiving a signal.
16. The method of claim 15,
Wherein the coil conductor portion is formed on one side of the flexible substrate on which the substrate hole corresponding to the through hole is formed,
And a magnetic sheet formed on an opposite surface of one side of the flexible substrate.
16. The method of claim 15,
Wherein the lens housing includes a light source unit module in which the light source unit is integrally formed.
A frame in which an opening is formed; And
And a camera module disposed in the opening, the camera module including a coil conductor for transmitting or receiving a signal,
Wherein the camera module is coupled to the opening to prevent the space of the opening from continuing with the interior space of the frame.
19. The method of claim 18,
And the coil conductor portion is exposed to the outside of the opening.
19. The method of claim 18,
Wherein the frame comprises a metallic metal material.
19. The method of claim 18,
Wherein the camera module includes a light source unit module in which the light source unit is integrally formed.

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