KR102426207B1 - Camera module - Google Patents

Abstract

A camera module according to an embodiment of the present invention includes a lens module having a plurality of lenses; a housing accommodating the lens module; a reflection module disposed in front of the lens module; an image sensor module receiving the light passing through the lens module; and a light blocking unit disposed in the housing to be positioned in a space between the lens module and the image sensor module, wherein the light blocking unit includes a first light blocking plate and a second light blocking plate each having a window through which the light passes, , an inner wall of the window of the first light blocking plate and an inner wall of the window of the second light blocking plate may be provided with inclined surfaces.

Description

camera module

The present invention relates to a camera module.

Recently, a camera module is basically employed in portable electronic devices including smartphones. The thickness of portable electronic devices tends to decrease in response to market demands, and accordingly, the camera module is also required to be miniaturized.

On the other hand, apart from the demand for miniaturization of the camera module, performance improvement of the camera module is also required. Accordingly, functions such as auto focus adjustment and hand shake correction are added to the camera module, so there is a limit in reducing the size of the camera module.

That is, the camera module has a problem in that it is difficult to reduce its size despite the demand for miniaturization, and thus there is a limit in reducing the thickness of the portable electronic device.

Recently, in order to solve this problem, a camera module having a plurality of lenses arranged in the longitudinal direction or the width direction rather than the thickness direction of the portable electronic device and a reflective member for changing the path of light has been proposed.

Since such a camera module has a structure different from that of a conventional camera module, such as a longer Total Track Length and a reflective member, the image quality deteriorates due to a flare phenomenon that did not occur in the conventional camera module. there is a problem to be

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Unexamined Patent Publication No. 10-2020-006607

An object of the present invention is to provide a camera module capable of preventing a flare phenomenon.

A camera module according to an embodiment of the present invention includes a lens module having a plurality of lenses; a housing accommodating the lens module; a reflection module disposed in front of the lens module; an image sensor module receiving the light passing through the lens module; and a light blocking unit disposed in the housing to be positioned in a space between the lens module and the image sensor module, wherein the light blocking unit includes a first light blocking plate and a second light blocking plate each having a window through which the light passes, , an inner wall of the window of the first light blocking plate and an inner wall of the window of the second light blocking plate may be provided with inclined surfaces.

The camera module according to an embodiment of the present invention may prevent a flare phenomenon.

1 is a perspective view of a portable electronic device equipped with a camera module according to an embodiment of the present invention.
2 is a schematic perspective view of a camera module according to an embodiment of the present invention.
3 is a schematic exploded perspective view of a camera module according to an embodiment of the present invention.
4 is a plan view of a lens provided in a camera module according to an embodiment of the present invention.
5 is a perspective view schematically illustrating a state in which the case is removed from the camera module.
6 is a cross-sectional view taken along line I-I' of FIG. 5 .
7 to 10 are views illustrating a modified example of FIG. 6 .

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. However, the spirit of the present invention is not limited to the presented embodiment.

For example, those skilled in the art who understand the spirit of the present invention will be able to propose other embodiments included within the scope of the present invention through addition, change, or deletion of components, but this is also the spirit of the present invention. will be considered to be within the scope.

In addition, terms including an ordinal number such as "first", "second", etc. used herein may be used to describe various elements, but the elements are not limited by the terms, and the terms are It is used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component.

1 is a perspective view of a portable electronic device equipped with a camera module according to an embodiment of the present invention.

Referring to FIG. 1 , a camera module 1000 according to an embodiment of the present invention may be mounted on a portable electronic device 1 . The portable electronic device 1 may be a portable electronic device such as a mobile communication terminal, a smart phone, or a tablet PC.

As shown in FIG. 1 , the portable electronic device 1 is equipped with a camera module 1000 to photograph a subject.

In this embodiment, the camera module 1000 includes a plurality of lenses. The optical axis (Z axis) of the plurality of lenses is perpendicular to the thickness direction of the portable electronic device 1 (X-axis direction, the direction from the front surface to the rear surface of the portable electronic device or the opposite direction). direction can be directed.

For example, the optical axis (Z axis) of the plurality of lenses provided in the camera module 1000 may be formed in the width direction or the length direction of the portable electronic device 1 .

Therefore, even if the camera module 1000 has functions such as Auto Focusing (hereinafter, AF), Optical Zoom (hereinafter, Zoom), and Optical Image Stabilizing (hereinafter, OIS), the portable electronic device 1 ) can be prevented from increasing. Accordingly, it is possible to reduce the thickness of the portable electronic device 1 .

The camera module 1000 according to an embodiment of the present invention may include at least one of AF, Zoom, and OIS functions.

Since the camera module 1000 having AF, Zoom, and OIS functions, etc. must be provided with various parts, the size of the camera module increases compared to a general camera module.

When the size of the camera module 1000 increases, it may be difficult to reduce the thickness of the portable electronic device 1 on which the camera module 1000 is mounted.

For example, the camera module includes a plurality of lens groups for a zoom function. When the plurality of lens groups are disposed in the thickness direction of the portable electronic device, the thickness of the portable electronic device increases according to the number of lens groups. . Accordingly, if the thickness of the portable electronic device is not increased, the number of lens groups cannot be sufficiently secured, and the zoom performance is weakened.

In addition, in order to implement AF, Zoom and OIS functions, it is necessary to install an actuator that moves a plurality of lens groups in the optical axis direction or in a direction perpendicular to the optical axis. When formed in the direction, the actuator for moving the lens group must also be installed in the thickness direction of the portable electronic device. Accordingly, the thickness of the portable electronic device is increased.

However, in the camera module 1000 according to an embodiment of the present invention, since the optical axes (Z-axis) of the plurality of lenses are disposed perpendicular to the thickness direction (X-axis direction) of the portable electronic device 1 , AF, Zoom and Even if the camera module 1000 having an OIS function is mounted, the portable electronic device 1 can be made thin.

Figure 2 is a schematic perspective view of a camera module according to an embodiment of the present invention, Figure 3 is a schematic exploded perspective view of a camera module according to an embodiment of the present invention, Figure 4 is a perspective view of the camera module according to an embodiment of the present invention It is a plan view of the lens provided in the camera module.

2 and 3 , the camera module 1000 includes a housing 100 , a reflection module 300 , a lens module 400 , an image sensor module 500 , and a case 200 .

A reflection module 300 , a lens module 400 , and an image sensor module 500 are disposed inside the housing 100 from one side toward the other side. The housing 100 has an internal space to accommodate the reflection module 300 , the lens module 400 , and the image sensor module 500 . However, the image sensor module 500 may be attached to the outside of the housing 100 .

2 and 3 , an embodiment in which the reflection module 300 , the lens module 400 , and the image sensor module 500 are disposed inside the housing 100 is illustrated. However, unlike the exemplary embodiment of FIGS. 2 and 3 , the reflective module 300 may be disposed outside the housing 100 , and in this case, the reflective module 300 may be disposed on the housing 100 so that light transmitted from the reflective module 300 may pass therethrough. One side may be open.

The housing 100 may have a box shape with an open top.

The case 200 is coupled to the housing 100 so as to cover the upper portion of the housing 100 . The case 200 has an opening 210 through which light is incident. The light incident through the opening 210 of the case 200 is changed in a traveling direction by the reflection module 300 and is incident on the lens module 400 .

The reflection module 300 is configured to change the propagation direction of light. For example, the direction of light incident into the housing 100 may be changed to be directed toward the lens module 400 through the reflection module 300 . The reflection module 300 is disposed in front of the lens module 400 .

The reflective module 300 includes a reflective member 310 and a holder 330 on which the reflective member 310 is mounted.

The reflective member 310 is configured to change the traveling direction of light. For example, the reflective member 310 may be a mirror or a prism that reflects light.

The lens module 400 includes a plurality of lenses through which the light whose traveling direction is changed by the reflective member 310 passes, and a lens barrel 410 for accommodating the plurality of lenses.

For convenience of explanation, only the lens L1 (hereinafter referred to as a first lens) disposed closest to the object side among the plurality of lenses is illustrated in FIG. 3 .

The image sensor module 500 includes a sensor housing 510 , an infrared cut filter 530 , an image sensor 550 , and a printed circuit board 570 .

An infrared cut-off filter 530 may be mounted on the sensor housing 510 . The infrared cut filter 530 serves to block light in the infrared region among the light passing through the lens module 400 .

The printed circuit board 570 is coupled to the sensor housing 510 , and the printed circuit board 570 is provided with an image sensor 550 .

The light passing through the lens module 400 is received by the image sensor module 500 (eg, the image sensor 550).

At least one lens among the plurality of lenses has a non-circular planar shape. For example, the first lens L1 is non-circular when viewed in the optical axis direction (Z-axis direction). On the other hand, it is also possible that all of the plurality of lenses have a non-circular planar shape.

Referring to FIG. 4 , in a plane perpendicular to the optical axis (Z axis), the first lens L1 has a length in a first direction (X axis direction) perpendicular to the optical axis (Z axis) of the optical axis (Z axis) and It is shorter than the length in the second direction (Y-axis direction) that is both perpendicular to the first direction (X-axis direction).

For example, the first lens L1 has a major axis and a minor axis. A line segment connecting both sides of the first lens L1 in the first direction (X-axis direction) while passing through the optical axis (Z-axis) is a short axis, and passing through the optical axis (Z-axis) in the second direction (Y-axis direction) A line segment connecting both sides of the first lens L1 is the long axis. The major axis and the minor axis are perpendicular to each other, and the length of the major axis is longer than the length of the minor axis.

The first lens L1 includes an optical part 10 and a flange part 30 .

The optical unit 10 may be a portion in which the optical performance of the first lens L1 is exhibited. For example, light reflected from the subject may pass through the optical unit 10 and be refracted.

The optical unit 10 may have refractive power and may have an aspherical shape.

The flange part 30 may be configured to fix the first lens L1 to another configuration, for example, the lens barrel 410 or another lens.

The flange part 30 extends from the optical part 10 and may be integrally formed with the optical part 10 .

The optical part 10 is formed in a non-circular shape. For example, the optical unit 10 is non-circular when viewed from the optical axis direction (Z axis direction). 4, in a plane perpendicular to the optical axis (Z-axis), the optical unit 10 has a length in a first direction (X-axis direction) perpendicular to the optical axis (Z-axis) of the optical axis (Z-axis) and the second It is shorter than the length in the second direction (Y-axis direction) perpendicular to all of the first direction (X-axis direction).

The optic 10 includes a first edge 11 , a second edge 12 , a third edge 13 and a fourth edge 14 .

When viewed from the optical axis direction (Z-axis direction), the first edge 11 and the second edge 12 each have an arc shape.

The second edge 12 is provided on the opposite side of the first edge 11 . In addition, the first edge 11 and the second edge 12 are positioned to face each other based on the optical axis (Z axis).

The fourth edge 14 is provided on the opposite side of the third edge 13 . In addition, the third edge 13 and the fourth edge 14 are positioned to face each other based on the optical axis (Z axis).

The third edge 13 and the fourth edge 14 connect the first edge 11 and the second edge 12, respectively. The third edge 13 and the fourth edge 14 may be symmetrical with respect to the optical axis (Z-axis) and may be formed parallel to each other.

When viewed in the optical axis direction (Z-axis direction), the first edge 11 and the second edge 12 have an arc shape, and the third edge 13 and the fourth edge 14 are generally Includes straight shapes.

The optical unit 10 has a major axis (a, major axis) and a minor axis (b, minor axis). The line segment connecting the third edge 13 and the fourth edge 14 with the shortest distance while passing the optical axis (Z axis) is the short axis (b), and passing through the optical axis (Z axis), the first edge 11 and A line segment connecting the second edge 12 and perpendicular to the minor axis b is the major axis a. The length of the major axis (a) is longer than the length of the minor axis (b).

The flange portion 30 extends in a second direction (Y-axis direction) along a periphery of a portion of the optical portion 10 . At least a portion of the flange portion 30 is in contact with the inner surface of the lens barrel 410 .

The flange portion 30 includes a first flange portion 31 and a second flange portion 32 . A first flange portion 31 extends from a first edge 11 of the optic 10 , and a second flange portion 32 extends from a second edge 12 of the optic 10 .

The first edge 11 of the optical part 10 may refer to a portion adjacent to the first flange part 31 , and the second edge 12 of the optical part 10 may be connected to the second flange part 32 and the second edge part 12 of the optical part 10 . It may mean an adjacent part.

The third edge 13 of the optical part 10 may mean one side of the optical part 10 on which the flange part 30 is not formed, and the fourth edge 14 of the optical part 10 is a planar surface. It may mean the other side of the optical part 10 on which the branch 30 is not formed.

Meanwhile, referring to FIG. 3 , the first lens L1 is disposed so that one of the side surfaces facing the first direction (X-axis direction) faces the bottom surface of the housing 100, and in the second direction (Y-axis direction) ) facing sides are disposed to face the inner side of the housing 100, respectively. That is, the first lens L1 is disposed such that side surfaces facing the first direction (X-axis direction) face the thickness direction (X-axis direction) of the housing 100, and the side faces facing the second direction (Y-axis direction) They are arranged to face the width direction (Y-axis direction) of the housing 100 .

Since the length of the first lens L1 in the first direction (X-axis direction) is shorter than the length in the second direction (Y-axis direction), the thickness of the housing 100 may be reduced.

Since the thickness direction (X-axis direction) of the housing 100 and the thickness direction (X-axis direction) of the portable electronic device 1 are approximately identical, the thickness of the portable electronic device 1 can also be reduced.

5 is a perspective view schematically illustrating a state in which the case is removed from the camera module, and FIG. 6 is a cross-sectional view taken along line II′ of FIG. 5 .

The camera module 1000 according to an embodiment of the present invention includes a reflection module 300 , a lens module 400 , and an image sensor module 500 . The reflection module 300 , the lens module 400 , and the image sensor module 500 are disposed along the optical axis direction (Z axis direction).

Accordingly, the light whose traveling direction is changed by the reflection module 300 passes through the lens module 400 and is incident on the image sensor 550 .

If the light is unintentionally reflected before being incident on the image sensor 550 , there is a fear that a flare phenomenon may occur due to this.

For example, before the light passing through the lens module 400 reaches the image sensor 550 , the bottom surface of the housing 100 or the inner surface of the case 200 (the surface facing the bottom surface of the housing 100 ) If it hits and is reflected, a flare phenomenon may occur.

That is, a flare phenomenon may occur due to internal reflection occurring in the space between the lens module 400 and the image sensor 550 .

The camera module 1000 according to an embodiment of the present invention includes a light blocking unit 600 to prevent a flare phenomenon due to unintentional reflection of light.

The light blocking unit 600 may be disposed in a space between the lens module 400 and the image sensor module 500 . For example, the light blocking unit 600 may be disposed in a space between a lens closest to the image sensor module 500 and the image sensor module 500 among a plurality of lenses provided in the lens module 400 .

Accordingly, even when unintentional light reflection occurs, the light diffusely reflected by the light blocking unit 600 can be prevented from being incident on the image sensor 550 , thereby suppressing the flare phenomenon.

The light blocking unit 600 may include a plurality of light blocking plates. For example, the light blocking unit 600 includes at least two light blocking plates.

The light blocking unit 600 may include a first light blocking plate 610 and a second light blocking plate 630 . The first light blocking plate 610 and the second light blocking plate 630 are spaced apart from each other in the optical axis direction (Z axis direction).

The first light blocking plate 610 and the second light blocking plate 630 each include a window W in the form of an opening through which light passes so that the light passing through the lens module 400 can be incident on the image sensor 550 .

The light used for image formation may pass through the window W and may be incident on the image sensor 550 , and the light that may cause a flare phenomenon is generated by the first light blocking plate 610 and the second light blocking plate 630 . can be blocked.

Since it is difficult to accurately predict the light diffusely reflected inside the housing 100 , when the light blocking unit 600 is configured with only one light blocking plate, it may not be sufficient to block unnecessary light.

Since the light blocking unit 600 of the camera module 1000 according to an embodiment of the present invention includes a plurality of light blocking plates, the flare phenomenon can be more effectively suppressed than when one light blocking plate is provided.

Referring to FIG. 6 , the inner wall of the window W of the first light blocking plate 610 and the inner wall of the window W of the second light blocking plate 630 include inclined surfaces, respectively.

For example, the inner wall of the window W of the first light blocking plate 610 and the inner wall of the window W of the second light blocking plate 630 include inclined surfaces having the same inclination direction.

The inner wall of the window W of the first light blocking plate 610 and the inner wall of the window W of the second light blocking plate 630 may include inclined surfaces such that the size of the window W expands along the traveling direction of light, respectively. have.

For example, as the inner wall of the window W of the first light blocking plate 610 and the inner wall of the window W of the second light blocking plate 630 are closer to the image sensor module 500, the size of the window W can be expanded. have.

The size of one side of the window W of the first light blocking plate 610 may be smaller than the size of the other side.

In addition, the size of one side of the window W of the second light blocking plate 630 may be smaller than the size of the other side.

Here, one side is a side facing the lens module 400 , and the other side is a side facing the image sensor module 500 .

The size of the other side of the window W of the first light blocking plate 610 may be larger than the size of the one side of the window W of the second light blocking plate 630 .

Meanwhile, even when light is reflected from the surface of the first light blocking plate 610 and/or the surface of the second light blocking plate 630 and is incident on the image sensor 550 , a flare phenomenon may be induced.

Accordingly, the surface of the first light blocking plate 610 and the surface of the second light blocking plate 630 may be surface-treated to scatter light, respectively.

The surface of the first light blocking plate 610 and the surface of the second light blocking plate 630 may be roughened. For example, the surface of the first light blocking plate 610 and the surface of the second light blocking plate 630 may be rougher than the surface of the housing 100 .

For example, the surface of the first light blocking plate 610 and the surface of the second light blocking plate 630 may be corroded to be rough.

A light absorption layer may be provided on the surface of the first light blocking plate 610 and the surface of the second light blocking plate 630 to block unnecessary light, respectively. For example, the surface of the first light blocking plate 610 and the surface of the second light blocking plate 630 may have a lower reflectance than the surface of the housing 100 . The light absorbing layer may be black.

The housing 100 includes a first protrusion 110 and a second protrusion 130 .

The first protrusion 110 may perform a stopper function for limiting the movement distance of the lens module 400 in the optical axis direction (Z axis direction).

The second protrusion 130 is spaced apart from the first protrusion 110 in the optical axis direction (Z-axis direction). For example, the second protrusion 130 may be disposed between the first protrusion 110 and the image sensor module 500 .

The first light blocking plate 610 is disposed in the space between the first protrusion 110 and the second protrusion 130 , and the second light blocking plate 630 is disposed between the second protrusion 130 and the image sensor module 500 . can be placed in

Accordingly, the first light blocking plate 610 and the second light blocking plate 630 may be firmly maintained inside the housing 100 .

The first light blocking plate 610 and the second light blocking plate 630 include rectangular plates 611 and 631 having long and short sides, respectively, and support portions 613 and 633 extending from the plates 611 and 631 .

A window W may be provided on the plates 611 and 631 . The support parts 613 and 633 may extend in the optical axis direction (Z-axis direction) from the short sides of the plates 611 and 631 .

The support part 613 of the first light blocking plate 610 may be sandwiched between the first protrusion 110 and the second protrusion 130 . For example, the support part 613 of the first light blocking plate 610 is in contact with the first protrusion 110 and the second protrusion 130 .

The support part 633 of the second light blocking plate 630 may be inserted between the second protrusion part 130 and the image sensor module 500 . For example, the support 633 of the second light blocking plate 630 is in contact with the second protrusion 130 .

The support parts 613 and 633 may be provided with grooves 615 and 635 . Since the grooves 615 and 635 are formed in the supports 613 and 633, even if some of the light passing through the lens module 400 collides with the supports 613 and 633 and is reflected, the reflected light is transmitted to the grooves 615 and 635. is blocked by the image sensor 550 and is not incident on the image sensor 550 . Therefore, the flare phenomenon can be effectively prevented.

Referring to FIG. 6 , the supporting part 613 of the first blocking plate 610 and the supporting part 633 of the second blocking plate 630 extend in the optical axis direction (Z-axis direction) toward the lens module 400 , respectively. That is, in the embodiment of FIG. 6 , the support part 613 of the first light blocking plate 610 and the support part 633 of the second light blocking plate 630 may extend in the same direction.

7 to 10 are views showing a modified example of FIG. 6 .

Referring to FIG. 7 , the first light blocking plate 610 and the second light blocking plate 630 are spaced apart from each other in the optical axis direction (Z axis direction).

The first light blocking plate 610 is disposed in the space between the first protrusion 110 and the second protrusion 130 , and the second light blocking plate 630 is disposed between the second protrusion 130 and the image sensor module 500 . can be placed in

The inner wall of the window W of the first light blocking plate 610 and the inner wall of the window W of the second light blocking plate 630 each include an inclined surface.

The inner wall of the window W of the first light blocking plate 610 may include an inclined surface so that the size of the window W expands along the traveling direction of light. For example, as the inner wall of the window W of the first light blocking plate 610 is closer to the image sensor module 500, the size of the window W may be expanded. The size of one side of the window W of the first light blocking plate 610 may be smaller than the size of the other side.

The inner wall of the window W of the second light blocking plate 630 may include an inclined surface such that the size of the window W is reduced along the traveling direction of light. For example, as the inner wall of the window W of the second light blocking plate 630 is closer to the image sensor module 500 , the size of the window W may be reduced. The size of one side of the window W of the second light blocking plate 630 may be larger than the size of the other side.

Here, one side is a side facing the lens module 400 , and the other side is a side facing the image sensor module 500 .

That is, the inner wall of the window W of the first light blocking plate 610 and the inner wall of the window W of the second light blocking plate 630 may include inclined surfaces having opposite inclination directions.

Referring to FIG. 7 , the supporting part 613 of the first light blocking plate 610 extends in the optical axis direction (Z axis direction) toward the lens module 400 , and the supporting unit 633 of the second light blocking plate 630 is an image sensor. It extends in the optical axis direction (Z axis direction) toward the module 500 . That is, in the embodiment of FIG. 7 , the extending direction of the supporting part 613 of the first light blocking plate 610 and the extending direction of the supporting part 633 of the second light blocking plate 630 may be opposite to each other.

The embodiment shown in FIG. 8 is the same as the embodiment shown in FIG. 6 , except that the first light blocking plate 610 and the second light blocking plate 630 are disposed to contact each other.

The embodiment shown in FIG. 9 is the same as the embodiment shown in FIG. 7 , except that the first light blocking plate 610 and the second light blocking plate 630 are disposed to contact each other.

Meanwhile, referring to FIG. 10 , the light blocking unit 600 may further include a third light blocking plate 650 . For example, the light blocking unit 600 may include a first light blocking plate 610 , a second light blocking plate 630 , and a third light blocking plate 650 arranged in the optical axis direction (Z axis direction).

The first light blocking plate 610 , the second light blocking plate 630 , and the third light blocking plate 650 may be disposed to contact each other. For example, the first light blocking plate 610 and the second light blocking plate 630 may contact each other, and the second light blocking plate 630 and the third light blocking plate 650 may contact each other.

The first light blocking plate 610 , the second light blocking plate 630 , and the third light blocking plate 650 each include an opening-shaped window W through which light passes, and an inner wall of each window W includes an inclined surface.

Any one of the inner wall of the window W of the first light blocking plate 610, the inner wall of the window W of the second light blocking plate 630, and the inner wall of the window W of the third light blocking plate 650 has an inclination direction from the other. including other slopes.

For example, the inner wall of the window W of the first light blocking plate 610 may include an inclined surface such that the size of the window W expands along the traveling direction of light. For example, the size of one side of the window W of the first light blocking plate 610 may be smaller than the size of the other side.

The inner wall of the window W of the second light blocking plate 630 may include an inclined surface so that the size of the window W expands along the traveling direction of light. For example, the size of one side of the window W of the second light blocking plate 630 may be smaller than the size of the other side.

The size of the other side of the window W of the first light blocking plate 610 may be larger than the size of the one side of the window W of the second light blocking plate 630 .

The inner wall of the window W of the third light blocking plate 650 may include an inclined surface such that the size of the window W is reduced along the traveling direction of light. For example, the size of one side of the window W of the third light blocking plate 650 may be larger than the size of the other side.

Here, one side is a side facing the lens module 400 , and the other side is a side facing the image sensor module 500 .

In this way, by configuring the light blocking unit 600 in various ways, it is possible to more effectively suppress the flare phenomenon.

In the above, the configuration and features of the present invention have been described based on the embodiments according to the present invention, but the present invention is not limited thereto, and it is understood that various changes or modifications can be made within the spirit and scope of the present invention. It is intended that such changes or modifications will be apparent to those skilled in the art, and therefore fall within the scope of the appended claims.

1: Portable Electronic Devices
100: housing
200: case
300: reflection module
400: lens module
500: image sensor module
600: light blocking unit
1000: camera module

Claims (14)

a lens module having a plurality of lenses;
a housing accommodating the lens module;
a reflection module disposed in front of the lens module;
an image sensor module receiving the light passing through the lens module; and
and a light blocking unit disposed in the housing to be positioned in a space between the lens module and the image sensor module.
The light blocking unit includes a first light blocking plate and a second light blocking plate each having a window through which the light passes,
An inclined surface is provided on an inner wall of the window of the first light blocking plate and an inner wall of the window of the second light blocking plate.
The method of claim 1,
The inner wall of the window of the first light blocking plate is configured to expand the size of the window as it approaches the image sensor module,
The camera module is configured such that the inner wall of the window of the second light blocking plate is configured to expand the size of the window as it is closer to the image sensor module.
According to claim 1,
The size of one side of the window of the first light blocking plate facing the lens module is smaller than the size of the other side facing the image sensor module,
The size of one side of the window of the second light blocking plate facing the lens module is smaller than the size of the other side facing the image sensor module.
4. The method of claim 3,
The size of the other side of the window of the first light blocking plate,
A camera module larger than the size of the one side of the window of the second light blocking plate.
According to claim 1,
The inner wall of the window of the first light blocking plate is configured to expand the size of the window as it approaches the image sensor module,
The camera module is configured such that the inner wall of the window of the second light-shielding plate is configured to decrease in size as it approaches the image sensor module.
6. The method of claim 5,
The size of one side of the window of the first light blocking plate facing the lens module is smaller than the size of the other side facing the image sensor module,
The size of one side of the window of the second light blocking plate facing the lens module is larger than the size of the other side facing the image sensor module.
According to claim 1,
A surface of the first light blocking plate and a surface of the second light blocking plate are each rougher than a surface of the housing.
The method of claim 1,
A surface of the first light blocking plate and a surface of the second light blocking plate have a lower reflectance than a surface of the housing, respectively.
According to claim 1,
A first protrusion and a second protrusion spaced apart in the optical axis direction are provided inside the housing,
The first light blocking plate is disposed between the first protrusion and the second protrusion,
The second light blocking plate is a camera module disposed between the second protrusion and the image sensor module.
According to claim 1,
The first light blocking plate and the second light blocking plate are each,
a rectangular plate having a long side and a short side; and
A camera module comprising a; a support portion extending in the optical axis direction from the short side of the plate.
11. The method of claim 10,
A camera module provided with a groove portion in the support portion.
According to claim 1,
The light blocking unit further includes a third light blocking plate having a window through which the light passes,
A camera module having an inclined surface on an inner wall of the window of the third light blocking plate.
13. The method of claim 12,
One of the inclined surface of the first light blocking plate, the inclined surface of the second light blocking plate, and the inclined surface of the third light blocking plate has a different inclination direction from the other.
According to claim 1,
At least one of the plurality of lenses has a length in a first direction perpendicular to the optical axis is shorter than a length in a second direction perpendicular to both the optical axis and the first direction,
The at least one lens is a camera module disposed such that one of the side surfaces facing the first direction faces a bottom surface of the housing.

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