KR20150106634A - Camera module - Google Patents

Abstract

The embodiment of the present invention provides a camera module which includes a base, a lens part which includes one or more lenses, an actuator part which includes a bobbin fixing the lens part and is formed on the upper side of the base to move the lens part, and a cover can which receives the lens part and the actuator part and is mounted on the base by closely attaching the inner side thereof to the side of the base. The bottom of the inner side of the cover can includes a recess part which is separated from the side of the base.

Description

Camera module {CAMERA MODULE}

An embodiment of the present invention relates to a camera module with improved structure.

A camera module is a representative example of photographing a subject as a photograph or moving image, storing the image data, and editing and transmitting the image data as needed.

2. Description of the Related Art In recent years, there has been an increasing demand for a small-sized camera module for various types of devices such as a notebook type personal computer, a television, a camera phone, a PDA, a toy, an automobile, and an image input device such as a surveillance camera or an information terminal of a video tape recorder.

For example, in the case of a display device such as a smart television, a notebook computer, or a computer, which is currently being launched, the frame surrounding the display portion is made ultra thin (1 mm or less). Due to the bezel-less development trend, there is a problem of insufficient space for mounting the camera module.

In addition, due to the development of communication technology, there is a tendency to apply a camera module having a high resolution in recent years to devices. However, in order to implement a high-resolution camera module, it is difficult to achieve the miniaturization of a camera module.

Embodiments provide a camera module capable of realizing high resolution and miniaturization.

An embodiment includes an exposure unit including a condenser lens and disposed to be exposed to the outside; A lens unit for receiving an optical signal incident through the exposed unit, and an image sensor for converting an optical signal through the lens unit into an electrical signal, the fixing unit being disposed in the apparatus; And a transmission unit connected to the exposed portion and the fixed portion and having one end and the other end connected to transmit the optical signal incident through the exposed portion to the fixed portion.

On the other hand, an embodiment of the present invention is a television equipped with a camera module, wherein the camera module includes a condensing lens, an exposure unit disposed at one side of the television frame; A fixing unit disposed on the rear or inside of the TV, including a lens unit that receives an optical signal incident through the exposed unit, and an image sensor that converts an optical signal through the lens unit into an electrical signal; And a transmission unit connected to one end and the other end of the exposure unit and the fixing unit and transmitting an optical signal incident through the exposure unit to the fixing unit.

According to an embodiment of the present invention, there is provided an automobile having a camera module, the camera module including a condenser lens, an exposure unit disposed at a side of the body frame, A fixing unit disposed inside the vehicle body including a lens unit that receives an optical signal incident through the exposed unit and an image sensor that converts an optical signal through the lens unit into an electrical signal; And a transmission unit connected to the exposure unit and the fixing unit at one end and the other end to transmit an optical signal incident through the exposure unit to the fixing unit.

The exposure unit may further include a cover glass disposed in front of the condenser lens.

The lens unit of the fixing unit may include a diffusing lens for diffusing an optical signal incident through the transmitting unit

In addition, the lens unit of the fixing unit may include at least one aspherical lens for correcting the aberration of the optical signal input through the transmission unit.

The lens unit of the fixing unit may include a diffusing lens for diffusing an optical signal incident through the transmitting unit and at least one aspherical lens for correcting the aberration of an optical signal transmitted through the diffusing lens.

The aspherical lens may be aspheric on one side or on both sides.

The fixing unit may further include a filter disposed between the lens unit and the image sensor.

In addition, the filter may be an infrared ray (IR) filter.

The fixing unit may further include a substrate on which the image sensor is mounted.

The fixing unit may further include a substrate on which the image sensor is mounted.

According to the embodiments of the present invention, it is possible to realize a camera module which can be miniaturized while realizing a high resolution by separating a part to be mounted on the outside of the device from a built-in part.

1 is a schematic side cross-sectional view of a camera module according to an embodiment of the present invention;
2 is a diagram illustrating a camera module provided in a television according to an embodiment of the present invention;
3 illustrates a camera module according to another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Unless defined otherwise, all terms used herein are the same as the generic meanings of the terms understood by those of ordinary skill in the art, and where the terms used herein contradict the general meaning of the term, they follow the definitions used herein.

It is to be understood, however, that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Hereinafter, the lens driving motor of the embodiment will be described in detail with reference to the drawings.

1 is a schematic side cross-sectional view of a camera module according to an embodiment of the present invention.

Referring to FIG. 1, a camera module 100 according to an embodiment may include an exposure unit 110, a transfer unit 120, and a fixing unit 130.

The exposed portion 110 is exposed to the outside of the apparatus. For example, various types of devices such as a notebook type personal computer, a television, a camera phone, a PDA, a toy, an automobile, and the like, and further to an image input device such as a surveillance camera or an information terminal of a video tape recorder.

The exposure unit 110 may include a condenser lens 111 and may further include a cover glass 112 at the front of the condenser lens 111 toward the subject.

The condenser lens 111 collects the optical signals incident from the front and can effectively cause the optical signal to flow into the transmission unit 120 to be described later.

The cover glass 112 may be disposed in front of the condenser lens 111 to prevent foreign matter from entering the condenser lens 111 and prevent the condenser lens 111 from being contaminated or damaged.

The condenser lens 111 and / or the cover glass 112 of the exposure unit 110 may be received in the exposed housing 113 and / or between the cover glass 112 and the exposed housing 113 and / A sealing member such as an O-ring (not shown) is provided at a connecting portion between the exposed housing 113 and the transmitting unit 120 to be described later so that foreign matter or moisture infiltration into the exposed unit 110 can be more effectively .

One end and the other end of the transmission unit 120 are connected to the exposure unit 110 and a fixing unit 130 to be described later and the optical signal transmitted through the exposure unit 110 is transmitted to the fixing unit 130 .

The transfer unit 120 may include a core 121 having a core through which the optical fiber 120 is inserted, The cladding 122 may include a cladding 122 surrounding the core 121 and a cladding 123 surrounding the cladding 122.

The fixing part 130 may be disposed in a place where the camera module 100 according to the embodiment is installed, or in an invisible part of the device.

The fixing unit 130 includes a lens unit 131 for receiving an optical signal received through the exposure unit 110 and an image sensor 133 for converting an optical signal through the lens unit 131 into an electrical signal. . ≪ / RTI > The lens unit 131 and the image sensor 133 may be housed in the fixed housing 135. An O-ring (not shown) may be provided between the transfer unit 120 and the exposed housing 113 The same sealing member may be provided to effectively prevent foreign matter or moisture from penetrating into the exposed portion 110.

The lens unit 131 may include a diffusion lens 131a for diffusing an optical signal input through the transmission unit 120. The optical unit 130 may include an aberration- And at least one aspherical lens 131b for correcting the aspherical surface. The aspherical lens 131b may be aspheric on one side or on both sides.

Alternatively, the diffusing lens 131a may be disposed in front of the diffusing lens 131a and the aspherical lens 131b may be disposed in the rear side of the diffusing lens 131a. . With this arrangement, the optical signal totally reflected and incident on the transmission unit 120 is diffused by the diffusion lens 131a, and the diffused optical signal is subjected to aberration correction by the aspheric lens 131b.

The configuration of the lens unit 131 according to this embodiment can have various lens configurations from the triplet to the 5th lens, and since the size of the fixing unit 130 is relatively unlimited, . ≪ / RTI > The fixing unit 130 may improve the pixel of the camera module 100 according to the embodiment.

The image sensor 133 may be disposed along the optical axis direction with at least one lens accommodated in the lens unit 131. The image sensor 133 converts an optical signal of an object incident through the lens into an electrical signal.

In an embodiment, the image sensor 133 may be an image sensor 133 formed as a single area, or an image sensor 133 divided into several segments. Since the size of the fixing unit 130 is not limited, the image sensor 133 may be divided into a plurality of segments. In this case, the image sensor 133 may include a plurality of exposed units 110a, 110b, and 110c, Module 100 as shown in FIG.

The fixing unit 130 according to the embodiment may further include a filter 132 disposed between the lens unit 131 and the image sensor 133. Since the image sensor 133 can detect the near infrared ray wavelength and the infrared ray wavelength band unlike the human eye, the filter 132 has a tendency of red tones in the screen color tone at the time of image capture, .

The filter 132 may be mounted on a holder 135a formed at the center of the fixed housing 135 and may include an infrared ray filter or a blue filter.

The filter 132 may be formed of, for example, a film material or a glass material, and an infrared blocking coating material may be disposed on a plate-shaped optical filter 132 such as a cover glass for protecting an image pickup surface, a cover glass, have.

It goes without saying that the filter 132 may be formed on one side of the lens of the lens unit 131 so that infrared rays may be blocked.

Meanwhile, the fixing unit 130 according to the embodiment may further include a substrate 134 on which the image sensor 133 is mounted. The substrate 134 may be a printed circuit board, an image sensor 133 may be mounted on the center of the upper surface of the substrate 134, and various devices (not shown) for driving the camera module 100 may be mounted. Time) can be implemented.

That is, in the embodiment of the present invention, only the exposure unit 110 including only the condenser lens 111 or the cover glass 112 and the condenser lens 111 can be disposed outside the camera module 100, The overall aesthetics of the ultra-thin device can be satisfied. In addition, the embodiment can dispose the lens unit 131 and the image sensor 133 on the fixing unit 130 which is relatively small in size, so that the camera module 100 having excellent resolution can be applied to an ultra- have. It is needless to say that the technical idea of the camera module 100 can be applied to the camera module 100 in the embodiment applied to such a device.

Hereinafter, an application example of the camera module 100 according to this embodiment will be described.

FIG. 2 illustrates a camera module according to an exemplary embodiment of the present invention, and FIG. 3 illustrates a camera module according to another exemplary embodiment of the present invention. Referring to FIG.

Referring to FIG. 2, the camera module 100 according to the embodiment may be provided in the television 10. Specifically, the exposure unit 110 may be disposed at one side of the television frame 11 that fixes the outer surface of the display unit 12, and is disposed at an upper center of the frame 11 in FIG. In order to provide the camera module 100 for taking an image of a subject on the television 10 having the ultra-thin frame 11 in recent years, the embodiment is such that only the exposed portion 110 can be disposed on one side of the television frame 11 will be.

In this case, the fixing portion 130 may be disposed on the rear surface or the inside of the television 10, and the transmitting portion 120 may also be disposed on the rear or inside of the television 10 which is not visible in appearance.

Referring to FIG. 3, the camera module 100 according to the embodiment may be provided in the automobile 20. Specifically, the exposed portion 110 may be disposed on one side of the vehicle body frame, and in FIG. 3, on the side of the vehicle body frame.

Here, one of the exposed portions 110 may be provided in the body frame, but a plurality of exposed portions 110 may be provided. For example, when the automobile 20 is moved backward, the exposed portion 110 may be disposed at a trunk portion of the vehicle body as a rear camera capable of monitoring the rear portion of the display portion (not shown) inside the vehicle body.

In order to perform the same function as the black box, the exposed portion 110 is disposed on the upper frame of the vehicle body, and includes a first exposed portion 110a disposed toward the front of the vehicle body and a first exposed portion 110a The second exposed portion 110b and the third exposed portion 110c are disposed at an angle of 120 ° with respect to the first exposed portion 110b. In this case, although not shown, the fixing portion 130 includes a first fixing portion corresponding to the first exposed portion 110a, a second fixing portion corresponding to the second exposed portion 110b, And a third fixing part corresponding to the third exposed part 110c. The transfer unit 120 includes a first transfer unit 120a connected to the first exposed unit 110a and the first fixing unit, a second transfer unit 120b connected to the second exposed unit 110b and the second fixing unit 130, And a third transmitting portion 120c connected to the third exposed portion 110c and the third fixing portion 130. The second transmitting portion 120b may be connected to the third exposed portion 110c and the third fixing portion 130, Of course, it is also possible to unify the fixing part 130, which is not limited to a relatively large size, as a single fixing part 130 as shown in FIG.

1) and the lens portion 131 (see FIG. 1) disposed inside the fixing portion 130 are provided at the respective exposed portions 110 (see FIG. 1) In this case, the optical signal may be received by the single fixing unit 130 and may be implemented as an all around view type.

In short, a typical wide-angle lens can capture an image in the range of 180 DEG, but a distortion phenomenon may occur at the edge portion. However, since the embodiment can arrange a plurality of exposed portions 110 at equal intervals, a clear image can be obtained even at the edge portion of the image.

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 invention as defined by the appended claims. Range and its equivalent range.

100: camera module 110: exposed part
111: condenser lens 112: cover glass
120: transmitting portion 121: core
122: cladding 123:
130: fixing part 131: lens part
131a: diffusion lens 131b: aspheric lens
132: Filter 133: Image sensor
134: substrate

Claims (20)

An exposure unit including a condenser lens and disposed to be exposed to the outside;
A lens unit for receiving an optical signal incident through the exposed unit, and an image sensor for converting an optical signal through the lens unit into an electrical signal, the fixing unit being disposed in the apparatus; And
And a transmission unit connected to one end and the other end of the exposure unit and the fixing unit to transmit an optical signal incident through the exposure unit to the fixing unit.
The method according to claim 1,
Wherein the exposure unit further comprises a cover glass disposed in front of the condenser lens.
The method according to claim 1,
And the lens unit of the fixing unit includes a diffusion lens for diffusing an optical signal incident through the transmission unit.
The method according to claim 1,
Wherein the lens unit of the fixing unit includes at least one aspherical lens for correcting the aberration of an optical signal incident through the transmission unit.
The method according to claim 1,
Wherein the lens unit of the fixing unit includes a diffusing lens for diffusing an optical signal incident through the transmitting unit and at least one aspherical lens for correcting the aberration of the optical signal passing through the diffusing lens.
The method according to claim 4 or 5,
Wherein the aspherical lens is one surface or both surfaces of the aspherical surface.
The method according to claim 1,
Wherein the fixing portion further comprises a filter disposed between the lens portion and the image sensor.
8. The method of claim 7,
Wherein the filter is an infrared ray (IR) filter.
The method according to claim 1,
Wherein the fixing portion further comprises a substrate on which the image sensor is mounted.
In a television equipped with a camera module,
The camera module includes:
An exposure unit including a condenser lens and disposed at one side of the television frame;
A fixing unit disposed on the rear or inside of the TV, including a lens unit that receives an optical signal incident through the exposed unit, and an image sensor that converts an optical signal through the lens unit into an electrical signal; And
And a transmitting unit connected to one end and the other end of the exposed portion and the fixing unit and transmitting an optical signal incident through the exposed unit to the fixing unit.
11. The method of claim 10,
Wherein the exposure unit further comprises a cover glass disposed in front of the condenser lens.
11. The method of claim 10,
And the lens unit of the fixing unit includes a diffusion lens for diffusing an optical signal incident through the transmission unit.
11. The method of claim 10,
And the lens unit of the fixing unit includes at least one aspherical lens for correcting the aberration of an optical signal incident through the transmission unit.
11. The method of claim 10,
Wherein the fixing portion further comprises a filter disposed between the lens portion and the image sensor.
11. The method of claim 10,
Wherein the fixing portion further comprises a substrate on which the image sensor is mounted.
In a vehicle provided with a camera module,
The camera module includes:
An exposure unit including a condenser lens and disposed at one side of the vehicle body frame;
A fixing unit disposed inside the vehicle body including a lens unit that receives an optical signal incident through the exposed unit and an image sensor that converts an optical signal through the lens unit into an electrical signal; And
And a transmission part connected to one end and the other end of the exposed part and the fixed part and transmitting an optical signal incident through the exposed part to the fixed part.
17. The method of claim 16,
Wherein the exposed portion includes a first exposed portion disposed in the vehicle upper frame and disposed toward the front of the vehicle body, and a second exposed portion and a third exposed portion disposed at an angle of 120 degrees with respect to the first exposed portion.
18. The method of claim 17,
Wherein the fixing portion includes a first fixing portion corresponding to the first exposed portion, a second fixing portion corresponding to the second exposed portion, and a third fixing portion corresponding to the third exposed portion,
The transfer unit may include a first transfer unit connected to the first exposed unit and the first fixing unit, a second transfer unit connected to the second exposed unit and the second fixing unit, A car comprising a third delivering unit connected to the government.
17. The method of claim 16,
Wherein the lens unit of the fixing unit includes a diffusion lens for diffusing an optical signal incident through the transmission unit and at least one aspherical lens for correcting aberration of an optical signal transmitted through the diffusion lens.
17. The method of claim 16,
Wherein the fixing portion further comprises a filter disposed between the lens portion and the image sensor, and a substrate on which the image sensor is mounted.

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