WO2023249273A1

WO2023249273A1 - Actuator, camera module comprising actuator, and electronic device comprising camera module

Info

Publication number: WO2023249273A1
Application number: PCT/KR2023/007166
Authority: WO
Inventors: 유영복
Original assignee: 삼성전자 주식회사
Priority date: 2022-06-22
Filing date: 2023-05-25
Publication date: 2023-12-28
Also published as: KR20230175085A

Abstract

An actuator, a camera module comprising the actuator, or an electronic device comprising the camera module, according to various embodiments, may comprise: a first driving unit for transferring, with respect to a frame, a lens unit of the camera module in a first direction and/or a second direction, which is different from the first direction; and a second driving unit for transferring the lens unit in a third direction in which the distance between the lens unit and an image sensor is changed. The first driving unit comprises: a first carrier for transferring the lens unit in the first direction; and a second carrier for transferring the lens unit in the second direction, and the second driving unit can comprise a third carrier arranged between the frame and the side of the first driving unit.

Description

An actuator, a camera module including the actuator, and an electronic device including the camera module

The present disclosure relates to an actuator for operating a camera and a device including the actuator.

High-performance, ultra-small camera modules are being used in various electronic devices, especially portable devices (e.g., smartphones) and mobile communication terminals (e.g., tablet PCs, laptops). In order for a camera module to capture images, the focus of the lens must be adjusted so that an accurate image is formed on the image sensor included in the camera module. Additionally, as electronic devices become smaller, image quality may deteriorate due to the movement of the user holding the electronic device when capturing images.

The Auto Focus (AF) function is a function of the optical system that automatically adjusts focus on the subject. The electronic device can move the lens or image sensor to focus on the subject.

Optical Image Stabilization (OIS) technology can be applied to improve the quality of captured images. The electronic device can detect movement of the electronic device using a motion sensor included in the electronic device. The electronic device can obtain a stabilized image by driving the lens or image sensor to move in accordance with the movement of the electronic device.

According to one embodiment, a frame, a lens unit that is movably disposed relative to the frame and includes at least one lens, an image sensor that converts light received through the lens unit into an electrical signal, and the lens unit A first driving unit transporting the frame in a first direction and/or a second direction different from the first direction, and transporting the lens unit in a third direction in which the distance between the at least one lens and the image sensor is changed. A camera module including a second driving unit may be provided. The first driving unit may include a first carrier for transporting the lens unit in the first direction and a second carrier for transporting the lens unit in the second direction. The second driving unit may include a third carrier disposed between the side of the first driving unit and the frame. The side surface of the first driving unit may mean a surface facing the first direction or the second direction.

According to one embodiment, a frame, a lens unit including at least one lens, and movably arranged relative to the frame, include at least one image sensor that converts light received through the lens unit into an electrical signal. An image sensor unit, a first driving unit transporting the image sensor unit in a first direction and/or a second direction different from the first direction based on the frame, and the at least one image sensor from the at least one lens. A camera module may be provided including a second driving unit that transports the image sensor unit in a third direction so that the length of the optical path leading to can be changed. The first driving unit may include a first carrier for transporting the image sensor unit in the first direction and a second carrier for transporting the image sensor unit in the second direction. The second driving unit may include a third carrier disposed between the side of the first driving unit and the frame. The side surface of the first driving unit may mean a surface facing the first direction or the second direction.

According to one embodiment, at least one sensor that detects movement, a camera module, and at least one included in the camera module based on the movement detected through the at least one sensor or the distance to the subject photographed through the camera module An electronic device including at least one processor that controls one driving unit may be provided. The camera module is arranged to be movable based on a frame, the frame, a lens unit including at least one lens, an image sensor for converting light received through the lens unit into an electrical signal, and the lens unit connects the frame to the frame. A first driving unit for transporting the lens unit in a first direction and/or a second direction different from the first direction as a reference, and a third direction in which the distance between the at least one lens and the image sensor is changed. 2 It may include a driving unit. The first driving unit may include a first carrier for transporting the lens unit in the first direction and a second carrier for transporting the lens unit in the second direction. The second driving unit may include a third carrier disposed between the side of the first driving unit and the frame. The side surface of the first driving unit may mean a surface facing the first direction or the second direction.

According to one embodiment, at least one sensor that detects movement, a camera module, and at least one included in the camera module based on the movement detected through the at least one sensor or the distance to the subject photographed through the camera module An electronic device including at least one processor that controls one driving unit may be provided. The camera module includes a frame, a lens unit including at least one lens, and an image sensor that is movably arranged based on the frame and includes at least one image sensor that converts light received through the lens unit into an electrical signal. A unit, a first driving unit for transporting the image sensor unit in a first direction and/or a second direction different from the first direction based on the frame, and a unit extending from the at least one lens to the at least one image sensor. It may include a second driving unit that transports the image sensor unit in a third direction so that the length of the optical path is changed. The first driving unit may include a first carrier for transporting the image sensor unit in the first direction and a second carrier for transporting the image sensor unit in the second direction. The second driving unit may include a third carrier disposed between the side of the first driving unit and the frame. The side surface of the first driving unit may mean a surface facing the first direction or the second direction.

According to one embodiment, an actuator may be provided to move the lens unit or image sensor of the camera module. The actuator may include a first driving unit that moves the lens unit or the image sensor to provide an image stabilization function, and a second driving unit that moves the lens unit or the image sensor to adjust the focal distance of the camera module. . The first driving unit may include a first carrier for moving the position of the image in a first direction and a second carrier for moving the position of the image in a second direction distinct from the first direction. there is. The second driving unit may include a third carrier disposed between the side of the first driving unit and the frame of the camera module. The side surface of the first driving unit may mean a surface facing the first direction or the second direction.

Figure 1 is a block diagram showing components of a camera module according to an embodiment.

Figure 2 is an exploded view of a camera module according to one embodiment.

Figure 3 is an exploded view of a camera module according to an embodiment viewed from another direction.

Figure 4 is an exploded view showing the camera module 100 according to one example as seen from another direction.

Figure 5 is a plan view of the actuator assembled with the lens and frame according to one embodiment, viewed from the lens direction.

Figure 6 is a diagram schematically showing the cross-sectional structure of a driving unit according to an embodiment.

Figure 7 is a diagram for explaining the arrangement of a yoke included in a camera module according to an embodiment.

FIG. 8 is a diagram illustrating a structure that prevents the driving unit from deviating from its arranged position according to an embodiment.

Figure 9 is an exploded view showing an image sensor shift-type camera module according to an embodiment.

Figure 10 is an exploded view showing an image sensor shift-type camera module according to an embodiment viewed from another direction.

Figure 11 is a plan view showing an actuator assembled with an image sensor according to an embodiment, from the direction facing the image sensor.

Figure 12 is a perspective view showing an actuator and a lens unit of an image sensor according to an embodiment.

FIG. 13 is a diagram illustrating an example of a camera module mounted on an electronic device according to an embodiment.

Figure 14 is a block diagram of an electronic device in a network environment, according to various embodiments.

Figure 15 is a block diagram illustrating a camera module, according to various embodiments.

As electronic devices become smaller, the size of the camera module included in the electronic device is also required to be smaller. In particular, when a camera module is placed in a thin device, the height of the camera module can greatly affect the thickness of the device. However, the camera module must include a driving unit to provide at least one of an autofocus function or an optical image stabilization function. Therefore, there is a limit to lowering the height of the camera module for placement of the driving unit.

The technical problem to be achieved in this document is not limited to the technical problem mentioned above, and other technical problems not mentioned can be clearly understood by those skilled in the art from the description below. There will be.

Figure 1 is a block diagram showing components of a camera module 100 according to an embodiment.

The camera module 100 according to one embodiment includes a support means, a lens transport means (e.g., lens unit 120) for transporting the lens 121, a first transport means (e.g., first drive unit 130), and a first transport means (e.g., first drive unit 130). 2 It may include a transportation means (e.g., a second driving unit 140). The support means may include components for forming the framework of the camera module 100. The lens transport means may be configured to transport the lens 121. The lens vehicle may be mounted on the first vehicle.

In one embodiment, the lens vehicle and the first vehicle may be configured such that the lens vehicle can move relative to the first vehicle in a first direction (e.g., x-direction or -x-direction) for optical image stabilization. You can. As the lens transport means moves, the lens 121 may be moved in a first direction for optical image stabilization with respect to the image sensor mounted on the substrate coupled with the support means.

In one embodiment, the second vehicle is disposed between the first vehicle and the support vehicle in a different direction (e.g., -y direction) than the direction in which the lens vehicle is seated on the first vehicle (e.g., -z direction). It can be. The support means and the second vehicle may be configured such that the second vehicle can move in a second direction (eg, z direction or -z direction) to perform focus adjustment with respect to the support means. As the second vehicle moves in the second direction relative to the support means, the first vehicle and the lens vehicle may move together in the second direction. By moving the second transport means, the lens 121 disposed on the lens transport means may be moved in the second direction to perform focus adjustment. Second transport The first transport means and the second transport means may be configured such that the first transport means can move in a third direction (e.g., x direction or -x direction) for optical image stabilization with respect to the second transport means. . As the first vehicle moves in the third direction relative to the second vehicle, the lens vehicle may move with it in the third direction. As the first transport means moves in the third direction, the lens 121 disposed on the lens transport means may be moved in the third direction for optical image stabilization. The direction in which the lens vehicle, the first vehicle, and the second vehicle can move is that the second vehicle is not disposed in a downward direction (e.g., -z direction) of the lens vehicle and the first vehicle, and in a lateral direction (e.g., : -y direction) and can also be implemented in other forms that can be implemented.

For example, in one embodiment, the support means and the second vehicle are configured such that the second vehicle can move in a third direction (e.g., x direction or -x direction) to perform optical image stabilization with respect to the support means. It may be configured. The first vehicle and the second vehicle may be configured such that the first vehicle can move in a second direction (eg, z-direction or -z-direction) to perform focus adjustment with respect to the second vehicle. However, directions in which the lens transport means, the first transport means, and the second transport means can move are not limited to the above examples.

The camera module 100 according to one embodiment may include a frame 110, a lens unit 120, a first driving unit 130, and a second driving unit 140. The frame 110, the lens unit 120, the first driving unit 130, and the second driving unit 140 may be referred to as a lens assembly. FIG. 1 is for explaining the configuration of the camera module 100 according to an embodiment, and at least some of the components shown in FIG. 1 may be changed or omitted. Alternatively, the camera module 100 may further include other components. For example, when performing an optical image stabilization function or an autofocus function by moving the image sensor (not shown) included in the camera module 100, the lens unit 120 is replaced with an image sensor (not shown). It can be.

Frame 110 may provide a framework for supporting other components. The shape of the frame 110 may change depending on the shape of the camera module 100 or components included in the camera module 100. For example, the frame 110 may be a box-shaped housing.

The lens unit 120 may include at least one lens for forming an image of a subject on an image sensor. The position of the lens unit 120 may be moved relative to the frame 110 by at least one of the first driving unit 130 or the second driving unit 140. The lens unit 120 of the camera module 100 according to one embodiment may be placed on a carrier included in the first driving unit 130.

The first driving unit 130 according to one embodiment may transport the lens unit 120 in the first direction and/or the second direction. The first direction and the second direction may be different directions. The first driving unit 130 according to one embodiment may include an OIS actuator configured to move the lens unit 120 for optical image stabilization. For example, the first driving unit 130 may move the lens unit 120 in a direction perpendicular to the optical axis of the lens included in the lens unit 120 for optical image stabilization.

The first driving unit 130 according to one embodiment may include a first carrier 150 and a second carrier 160. The lens unit 120 may be fixed to the first carrier 150. The first carrier 150 may be placed on the second carrier 160. The first carrier 150 may be arranged to be moved in a first direction with respect to the second carrier 160. When the first carrier 150 moves in the first direction by the operation of the first driving unit 130, the lens unit 120 disposed on the first carrier 150 may be transferred in the first direction. The second carrier 160 may be disposed on one side of the second driving unit 140. The second carrier 160 may be moved in the second direction by the operation of the first driving unit 130. As the second carrier 160 moves, the first carrier 150 and the lens unit 120 contained in the second carrier 160 may be transferred in the second direction.

The second driving unit 140 according to one embodiment may transport the lens unit 120 in a third direction. The second driving unit 140 according to one embodiment may include an AF actuator configured to move the lens unit 120 for automatic focus adjustment. For example, the second driving unit 140 may move the lens unit 120 in the direction of the optical axis of a lens included in the lens unit 120 or in a direction parallel to the optical axis.

The second driving unit 140 may include a third carrier 170. The third carrier 170 may be arranged to be movable in a third direction with respect to the frame 110. As the third carrier 170 moves in the third direction, the second carrier 160, the first carrier 150, and the lens unit 120 may be transported in the third direction. The third carrier 170 may be disposed between the side of the frame 110 and the second carrier 160. By placing the third carrier 170 on the side of the second carrier 160 rather than between the bottom surface of the frame 110 and the second carrier 160, the height of the camera module 100 can be lowered. .

Figure 2 is an exploded view of the camera module 100 according to one embodiment. Figure 3 is an exploded view of the camera module 100 according to an embodiment viewed from another direction. Figure 4 is an exploded view showing the camera module 100 according to one example as seen from another direction. Figure 5 is a plan view of the actuator assembled with the lens and frame according to one embodiment, viewed from the lens direction.

FIGS. 2, 3, 4, and 5 are for explaining the structure of an actuator included in the camera module 100 according to an embodiment.

The camera module 100 according to one embodiment may include an upper cover 101 and a lower cover 103 that form a housing of the camera module 100. At least one of a lens assembly and an image sensor may be disposed in the space formed between the upper cover 101 and the lower cover 103.

According to one embodiment, the lens unit 120 including at least one lens 121 may be disposed on the first carrier 150. The first magnet 151 may be disposed on the first surface of the first carrier 150 facing the first direction (y-axis direction or -y-axis direction). The first magnet 151 may be arranged to face the first coil 153 disposed on one side of the frame 110. The first carrier 150 may be moved by a force in the first direction acting on the first magnet 151 by a magnetic field generated by a current flowing in the first coil 153.

The second carrier 160 may include a base 162 on which the first carrier 150 is placed and a side portion 164 that limits the range of movement of the first carrier 150. The second carrier 160 may include a first ball guide groove 157 formed in the first direction to allow the first carrier 150 to move in the first direction. At least one first sphere 155 may be disposed in the first ball guide groove 157. At least one first sphere 155 disposed between the first carrier 150 and the second carrier 160 rolls along the first ball guide groove 157, so that the first carrier 150 moves in the first direction. can be transferred to Referring to FIG. 4, a first ball guide groove 156 may be formed in a first direction at a position corresponding to the first ball guide groove 157 of the second carrier 160 of the first carrier 150. .

The second magnet 161 may be disposed on the second surface of the first carrier 150 facing the second direction (x-axis direction or -x-axis direction). The second magnet 161 may be arranged to face the second coil 163 disposed on one side of the frame 110. The first carrier 150 and the second carrier 160 may be moved by a force in the second direction acting on the second magnet 161 by the magnetic field generated by the current flowing in the second coil 163. .

The third carrier 170 may be disposed between the side portion 164 of the second carrier 150 and the frame 110. At least one second sphere 165 may be disposed between the second carrier 150 and the third carrier 170. The third carrier 170 may include a second ball guide groove 167 formed in the second direction to allow the second carrier 160 to move in the second direction. At least one second sphere 165 may be disposed on the second ball guide groove 167. At least one second sphere 165 disposed between the second carrier 160 and the third carrier 170 rolls along the second ball guide groove 167, so that the second carrier 160 moves in the second direction. can be transferred to When the second carrier 160 is transported in the second direction, the first carrier 150 and the lens unit 120 accommodated in the second carrier 160 may be transported together in the second direction. Referring to FIG. 3 , the second carrier 160 may include a second ball guide groove 166 formed at a position corresponding to the second ball guide groove 167 of the third carrier 170.

A third magnet 171 may be disposed on one side of the third carrier 170. The third magnet 171 may be arranged to face the third coil 173 disposed on the frame 110. The third carrier 170 is moved by a force in the third direction (z-axis direction or -z-axis direction) acting on the third magnet 171 by the magnetic field generated by the current flowing in the third coil 173. It can be. As the third carrier 170 moves in the third direction, the lens unit 120 may move in the third direction. As the lens unit 120 moves in the third direction, the distance from the image sensor (not shown) included in the camera module 100 to at least one lens 121 of the lens unit 120 may change. there is.

The third carrier 170 may include a third ball guide groove 177 on the surface facing the frame 110 (referring to FIG. 2, the surface facing the -y-axis direction). The third ball guide groove 177 may be formed in a third direction so that the third carrier 170 can move in the third direction (z-axis direction or -z-axis direction). At least one third sphere 175 may be disposed on the third ball guide groove 177. At least one third sphere 175 disposed between the third carrier 170 and the frame 110 rolls along the third ball guide groove 177, so that the third carrier 170 is transported in the third direction. It can be. When the third carrier 170 is transported in the third direction, the second carrier 160 connected to the third carrier 170 and at least one second sphere 165 may be transported in the third direction. By moving the second carrier 160, the first carrier 150 and the lens unit 120 may be transferred in the third direction. Referring to FIG. 2 , the frame 110 may include a third ball guide groove 176 formed at a position corresponding to the third ball guide groove 177 of the third carrier 170.

The first driving unit 130 according to an embodiment may include a y-axis driving unit for OIS y-axis driving and an x-axis driving unit for OIS x-axis driving. The OIS y-axis driver may include a first carrier 150, a first magnet 151, a first coil 153, and at least one first sphere 155. The OIS x-axis driver may include a second carrier 160, a second magnet 162, a second coil 163, and at least one second sphere 165. The second driving unit 140 according to one embodiment may include a third carrier 170, a third magnet 171, a third coil 173, and at least one third sphere 175 for AF driving. there is.

In one embodiment, at least one of the first ball guide

grooves

156 and 157, the second ball guide

grooves

166 and 167, or the third ball guide

grooves

177 and 176 is connected to the first carrier 150 and the second carrier 150. It may also be configured as another type of guide means that guides the movement direction of at least one of the carrier 160 or the third carrier 170. For example, at least one of the first ball guide

grooves

156, 157, the second ball guide

grooves

166, 167, or the third ball guide

grooves

177, 176 includes a shaft or rail located in the direction of movement. can do.

3, 4, and 5, at least one second sphere 165 and the third carrier 170 are not disposed between the base 162 of the second carrier 160 and the lower part of the frame 110. , By being disposed between the side surface 164 of the second carrier 160 and the side surface of the frame 110, the height of the actuator that moves the lens unit 120 included in the camera module 100 can be lowered.

In order to be disposed between the side portion 164 of the second carrier 160 and the side of the frame 110, the third carrier 170 of the camera module 100 according to one embodiment corresponds to the shape of the side portion 164. It can be configured based on a flat plate shape. Alternatively, the third carrier 170 may be configured based on the side shape of the frame 110 on which the third carrier 170 is disposed. However, the shape of the third carrier 170 is not limited to this, and the third carrier 170 may be configured in a different shape so as not to overlap the second carrier 160 in the height direction (z-axis direction). .

Referring to FIG. 3, the camera module 100 according to one embodiment includes a first fitting disposed on one side (the side facing the -y axis direction) of the second carrier 160 facing the third carrier 170. May include (yoke)(181). The camera module 100 may include a second fitting 183 disposed in the direction (-y-axis direction) in which the third carrier 170 of the frame 110 is disposed. The third magnet 171 disposed on the third carrier 170 may be disposed between the first fitting 181 and the second fitting 183. The first fitting 181 and the second fitting 183 may include a material that has magnetism in a magnetic field. For example, the first fitting 181 and the second fitting 183 may include iron, nickel, or cobalt.

FIG. 6 is a diagram schematically illustrating the cross-sectional (B-B' cross-section of FIG. 5) structure of a driving unit according to an embodiment.

The first carrier 150 and the second carrier 160 included in the camera module according to one embodiment are disposed on the frame 110, and the third carrier 170 is disposed at the bottom of the second carrier 160. Instead, it may be placed between the side of the second carrier 160 and the frame 110. In this case, an AF carrier 540 for AF driving is disposed on the frame 510, and an OIS carrier 530 and a middle guide 531 for OIS driving are disposed on the AF carrier 540. Compared to the actuator 500 of the camera module, the structure corresponding to the intermediate guide 531 can move to the side of the actuator. Therefore, compared to the actuator 500, the height of the actuator of the camera module according to one embodiment may be lowered by the height h of the intermediate guide 531.

By configuring the OIS driving unit to include the first carrier 150 and the second carrier 160 instead of the intermediate guide 531, the third carrier 170 is connected to the first carrier 150 and the second carrier 160. It can be placed on the side without overlapping in the height direction of the camera module. Since the intermediate guide 531 is not included in the camera module and the third carrier 170 is not disposed between the carrier 160 for OIS driving and the frame 110 in the height direction of the camera module, the actuator of the camera module The height may be lowered.

The second carrier 160 and the third carrier 170 according to one embodiment have a second ball guide groove (e.g., the second ball guide groove 167 of the third carrier 170 shown in FIGS. 2 and 4). and the second ball guide groove 166 of the second carrier 160 shown in FIGS. 3 and 7). When the second carrier 160 and the third carrier 170 are connected by at least one second sphere 165 without a separate connection structure for smooth movement, the second carrier 160 or the third carrier 170 At least one second sphere 165 or a carrier included in the camera module may be separated by a force (e.g., gravity) applied to the . The third carrier 170 and the frame 110 according to one embodiment may also be connected by at least one third sphere 175 disposed in the third ball guide groove 177. At least one third sphere 175 or the third carrier 170 may be separated by a force (eg, gravity) applied to the third carrier 170.

In order to prevent at least some components included in the camera module from being separated, the camera module according to one embodiment may include a first yoke 181 disposed on the second carrier 160. The camera module according to one embodiment may further include a second fitting 183 disposed on the frame 110. The third magnet 171 disposed on the third carrier 170 may be disposed between the first fitting 181 and the second fitting 183. The

carriers

160, 170 or at least one

sphere

165, 175 included in the camera module are attracted by the attractive force generated by the third magnet 171 disposed between the first fitting 181 and the second fitting 183. ) can be prevented from being separated from the ball guide grooves (166, 177).

Referring to FIG. 8, the second carrier 160 may be supported by at least one second sphere 165 with respect to the third carrier 170. An attractive force f2 may be applied to the first fitting 181 disposed on the second carrier 160 by the third magnet 171 disposed on the third carrier 170. In FIG. 8, the distance from the center point of the height of the third magnet 171 in the third direction (z-axis direction) to the support point by the second sphere 165 may be referred to as distance d2. Here, the central point of the height in the third direction (z-axis direction) of the third magnet 171 is to explain the central point where the attractive force (f2) acts, and the structure of the third magnet 171 and the first fitting 181 Depending on the height, the center point may vary. In FIG. 8, the distance from the support point by the second sphere 165 to the center of gravity (c) of the carrier of the first driving unit including the second carrier 160 may be referred to as the distance d1. The center of gravity for the carrier of the first driving unit including the second carrier 160 is to explain the center of gravity of the component supported by the third carrier 170, and is briefly referred to as the center of gravity (c) of the first driving portion. It may be mentioned that

In order to prevent the second carrier 160 or at least one second sphere 165 from being separated from the third carrier 170, the product of the attractive force f2 acting on the first fitting 181 and the distance d2 is equal to the first The third magnet 171 and the first fitting 181 may be configured to be greater than the product of the distance d1 and the gravity f1 acting on the center of gravity c with respect to the driving unit. For example, the strength of the magnetic force of the third magnet 171 may be above a certain value.

Figure 9 is an exploded view showing an image sensor shift-type camera module according to an embodiment. Figure 10 is an exploded view showing an image sensor shift-type camera module according to an embodiment viewed from another direction. Figure 11 is a plan view showing an actuator assembled with an image sensor according to an embodiment, from the direction facing the image sensor. Figure 12 is a perspective view showing an actuator and a lens unit of an image sensor according to an embodiment. FIGS. 9 to 12 do not illustrate all components of the camera module, but are diagrams for explaining the structure of an actuator included in a sensor shift-type camera module according to an embodiment.

The camera module 100 according to one embodiment includes a frame 810, a lens unit 820, an image sensor unit including at least one image sensor 890, a first driver 130, and a second driver 140. may include. The image sensor 890 may convert light received through at least one lens included in the lens unit 820 into an electrical signal. The image sensor unit may be movable based on the frame 810. The first driver 130 may transport the image sensor unit in the first direction and/or the second direction based on the frame 810. Referring to FIG. 8, the first direction may be the y-axis direction or the -y-axis direction, and the second direction may be the x-axis direction or the -x-axis direction. The second driving unit 140 may transport the image sensor unit in a third direction based on the frame 810. Referring to FIG. 8, the third direction may be the z-axis direction or the -z-axis direction. As the image sensor unit moves in the third direction, the length of the optical path from at least one lens of the lens unit 820 to the image sensor 890 may change. As the image sensor unit moves by at least one of the first driving unit 130 or the second driving unit 140, the position of the image sensor 890 with respect to at least one lens of the lens unit 820 may change.

The first driver 130 according to one embodiment may include an OIS driver that transports the image sensor unit for optical image stabilization. The second driver 140 according to an embodiment may include an AF driver that transports the image sensor unit for automatic focus adjustment.

The first driving unit 130 may include a first carrier 850 that transports the image sensor unit in the first direction and a second carrier 860 that transports the image sensor unit in the second direction. The second driving unit 140 may include a third carrier 870 that transports the image sensor unit in a third direction.

The lens unit 820 may be placed in the lens assembly housing 811 included in the camera module. Lens assembly housing 811 may be placed in a fixed location within the camera module. However, it is not limited to this.

The first magnet 851 may be disposed on the first surface of the first carrier 850 facing the first direction. The first magnet 851 may be arranged to face the first coil 853 disposed on one side of the frame 810. The first carrier 850 may be moved by a force in the first direction acting on the first magnet 851 by a magnetic field generated by a current flowing in the first coil 853. The first carrier 850 has a first ball guide groove 856 formed to allow at least one first sphere 855 disposed between the first carrier 850 and the second carrier 860 to move in the first direction. It can be included. The second carrier 860 may include a ball guide groove formed at a position corresponding to the first ball guide groove 856 of the first carrier 850. As at least one first sphere 855 rolls along the first ball guide groove 856, the first carrier 850 can move in the first direction.

A second magnet 861 may be disposed on the second surface of the first carrier 850 facing the second direction. The second magnet 861 may be arranged to face the second coil 863 disposed on one side of the frame 810. The first carrier 850 and the second carrier 860 may be moved by a force in the second direction acting on the second magnet 861 by the magnetic field generated by the current flowing in the second coil 863. . The image sensor unit is fixed to the first carrier 850 and can move along the first carrier 850.

A third carrier 870 may be disposed between the side of the second carrier 860 and the frame 810. At least one second sphere 865 may be disposed between the second carrier 860 and the third carrier 870. The second carrier 860 may include a second ball guide groove 866 that guides the at least one second sphere 865 to move in the second direction. The third carrier 870 may include a second ball guide groove 867 formed at a position corresponding to the second ball guide groove 866. As at least one second sphere 865 rolls along the second ball guide

grooves

866 and 867, the second carrier 860 can be transported in the second direction. The first carrier 850 may be transferred in the second direction as the second carrier 860 moves in the second direction. As the first carrier 850 moves, the image sensor unit may also move in the second direction.

A third magnet 871 may be disposed on one side of the third carrier 870. The third magnet 871 may be arranged to face the third coil 873 disposed on one side of the frame 810. A magnetic field may be generated due to the current flowing in the third coil 873 disposed on the frame 810. The third carrier 870 may be moved by a force in a third direction acting on the third magnet 871 by the generated magnetic field. As the third carrier 870 moves in the third direction, the image sensor unit can be moved in the third direction. As the image sensor unit moves in the third direction, the distance from the image sensor 890 to at least one lens included in the lens unit 820 may change.

The third carrier 870 may include a third ball guide groove 877 formed on the surface facing the frame 810. The frame 810 may include a ball guide groove formed at a position corresponding to the third ball guide groove 877. The third ball guide groove 877 may be formed in a third direction so that the third carrier 870 can move in the third direction. At least one third sphere 875 disposed between the third carrier 870 and the frame 810 may move in the third direction along the third ball guide groove 877. As at least one third sphere 875 rolls along the third ball guide groove 877 in the third direction, the third carrier 870 can be transported in the third direction. When the third carrier 870 is transported in the third direction, the second carrier 860 connected to the third carrier 870 through at least one third sphere 875 may be transported in the third direction. By moving the second carrier 860, the first carrier 850 and the image sensor unit may be transferred in the third direction.

The first driving unit 130 according to an embodiment may include a y-axis driving unit for OIS y-axis driving and an x-axis driving unit for OIS x-axis driving. The OIS y-axis driver may include a first carrier 850, a first magnet 851, a first coil 853, and at least one first sphere 855. The OIS x-axis driver may include a second carrier 860, a second magnet 861, a second coil 863, and at least one second sphere 865. The second driving unit 140 according to one embodiment may include a third carrier 870, a third magnet 871, a third coil 873, and at least one third sphere 875 for AF driving. there is.

Referring to FIG. 11, the third carrier 870 is disposed on the side of the first carrier 850 and the second carrier 860 disposed on the printed circuit board on which the image sensor 890 is mounted, thereby producing an image sensor ( The height of the actuator that moves 890) may be lowered.

In order for the third carrier 870 to be disposed between the second carrier 860 and the side of the frame 810, the third carrier 870 is based on a plate shape corresponding to the side shape of the second carrier 860. It can be configured. Alternatively, the third carrier 870 may be configured based on the shape of the side of the frame 810 in the direction in which the third carrier 870 is disposed. However, the shape of the third carrier 870 is not limited to this, and the third carrier 870 has a different shape so as not to overlap the second carrier 860 in the height direction (z-axis direction) of the camera module. It could be.

The camera module 100 according to one embodiment may include a first fitting 881 disposed on one side of the second carrier 860 facing the third carrier 870. The camera module 100 may include a second fitting 883 disposed at a position facing the third carrier 870 of the frame 810. The third magnet 871 disposed on the third carrier 870 may be disposed between the first fitting 881 and the second fitting 883. The first fitting 881 and the second fitting 883 may include a material that has magnetism in a magnetic field. For example, the first fitting 881 and the second fitting 883 may be made of a magnetic material containing iron, nickel, or cobalt. The attractive force generated by the third magnet 871 acts on the first fitting 881 and the second fitting 883 to include the first carrier 850, the second carrier 860, and the third carrier 870. It is possible to prevent the components of the actuator from deviating from their designated positions.

In this disclosure, the description is based on a direct camera module in which the light path from the lens to the image sensor is a straight line. However, this does not exclude that the actuator presented in this disclosure can be applied to a camera module that includes a folded optical system in which the light path from the lens to the image sensor is refracted at least once. The camera module including a folded optical system may further include a prism (not shown) that refracts the path of light so that the light passing through the lens unit is guided to the image sensor.

The camera module shown in FIGS. 9 to 12 does not represent an embodiment independent from the embodiment shown in FIGS. 1 to 8. For example, some of the components shown in FIGS. 9 to 12 are included in the camera module according to an embodiment shown in FIGS. 1 to 8, or some of the components shown in FIGS. 1 to 8 are included in the camera module according to the embodiment shown in FIGS. 1 to 8. It may be replaced with some of the components shown in Figures 12 through 12. Conversely, some of the components shown in FIGS. 1 to 8 may be included in the camera module shown in FIGS. 9 to 12. Embodiments according to the present disclosure do not have to be independent, but can be combined with each other within the scope of the technical problem to be achieved.

The camera module according to the present disclosure can lower the height of the camera module accordingly by lowering the height of the driving unit included in the camera module.

An electronic device including a camera module according to the present disclosure can reduce the thickness of the location where the camera module is placed. Therefore, even if the thickness of the electronic device is configured to be thin, the exterior can be formed so that the location where the camera module is placed does not protrude or protrudes less than other locations.

The effects that can be obtained from the present disclosure are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description below. will be.

An electronic device according to one embodiment may include a camera module. A camera module according to an embodiment includes a frame, a lens unit that is movably arranged based on the frame and includes at least one lens, an image sensor that converts light received through the lens unit into an electrical signal, and A first driving unit that transports the lens unit in a first direction and/or a second direction different from the first direction based on the frame, and a third direction in which the distance between the at least one lens and the image sensor changes. It may include a second driving unit that transports the lens unit. The first driving unit may include a first carrier for transporting the lens unit in the first direction and a second carrier for transporting the lens unit in the second direction. The second driving unit may include a third carrier disposed between the side of the first driving unit and the frame. The side surface of the first driving unit may mean a surface facing the first direction or the second direction.

According to one embodiment, the second carrier may include a base on which the first carrier is placed. The second carrier may include a side portion that extends from one end of the base and limits a range of movement of the first carrier in the first direction and/or the second direction.

According to one embodiment, the first driving unit may include at least one first sphere disposed between the first carrier and the base of the first carrier so that the first carrier can move on the second carrier. there is.

According to one embodiment, the second carrier may include a first ball guide groove disposed on the base so that the at least one first sphere can move in a first direction.

According to one embodiment, the first driving unit includes a first magnet disposed on the first side of the first carrier, a second magnet disposed on a second side of the first carrier, and the first magnet to face the first magnet. It may include a first coil disposed on a frame, and a second coil disposed on the frame to face the second magnet.

According to one embodiment, the second driving unit may include a third magnet disposed on a side of the second carrier facing the frame, and a third coil disposed on the frame to face the third magnet. .

The camera module according to one embodiment may include a first fitting disposed on one side of the second carrier facing the third carrier and a second fitting disposed on the frame. A third magnet may be disposed between the first fitting and the second fitting.

According to one embodiment, the first fitting and the second fitting may include a magnetic material having magnetism in a magnetic field.

The camera module according to one embodiment may include at least one second sphere disposed between the second carrier and the third carrier and at least one third sphere disposed between the third carrier and the housing. .

According to one embodiment, the third carrier includes a second ball guide groove disposed on a surface facing the second carrier so that the at least one second sphere can move in the second direction, and a second ball guide groove disposed on a surface facing the second carrier to allow the at least one second sphere to move in the second direction, and facing the frame. It may include a third ball guide groove disposed on the surface so that the at least one third sphere can move in the third direction.

The camera module according to one embodiment is a product of the distance from the height center of the third magnet in the third direction to the at least one second sphere and the attractive force between the first fitting and the third magnet of the first driving unit. It may be configured to be greater than the product of the distance from the center of gravity to the at least one second sphere and the weight at the center of gravity of the first driving unit.

In the camera module according to one embodiment, the first direction is perpendicular to the optical axis of the lens, the second direction is perpendicular to the optical axis and the first direction, and the third direction is the same as the optical axis or the first direction. It may be configured to be in a direction parallel to the optical axis.

According to one embodiment, the third carrier may be configured to have a flat plate shape corresponding to a side of the first driving unit that the third carrier faces or a side of the frame that the third carrier faces.

A camera module according to an embodiment includes a frame, a lens unit including at least one lens, and at least one image sensor that is movably arranged based on the frame and converts light received through the lens unit into an electrical signal. An image sensor unit including an image sensor unit, a first driving unit that transports the image sensor unit in a first direction and/or a second direction different from the first direction based on the frame, and the at least one lens from the at least one lens. It may include a second driving unit that transports the image sensor unit in a third direction so that the length of the optical path leading to the image sensor is changed. The first driving unit may include a first carrier for transporting the image sensor unit in the first direction and a second carrier for transporting the image sensor unit in the second direction. The second driving unit may include a third carrier disposed between the side of the first driving unit and the frame. The side surface of the first driving unit may mean a surface facing the first direction or the second direction.

According to one embodiment, the camera module may further include a prism that refracts the path of light so that the light passing through the lens unit is guided to the image sensor.

According to one embodiment, the first driving unit includes a first magnet disposed on the first side of the first carrier, a second magnet disposed on a second side of the first carrier, and the first magnet to face the first magnet. It may include a first coil disposed on a frame, and a second coil disposed on the frame to face the second magnet. The second driving unit may include a third magnet disposed on a side of the second carrier facing the frame, and a third coil disposed on the frame to face the third magnet.

The camera module according to one embodiment may include a first fitting disposed on one side of the second carrier facing the third carrier and a second fitting disposed on one side of the frame. The third magnet may be disposed between the first fitting and the second fitting.

The camera module according to one embodiment includes at least one first sphere disposed between the first carrier and the second carrier, at least one second sphere disposed between the second carrier and the third carrier, and the It may further include at least one third sphere disposed between the third carrier and the housing.

According to one embodiment, the second carrier may include a first ball guide groove disposed on the base so that the at least one first sphere can move in a first direction. The third carrier includes a second ball guide groove disposed on a surface facing the second carrier to enable the at least one second sphere to move in the second direction, and a second ball guide groove disposed on a surface facing the frame to allow the at least one second sphere to move in the second direction. The third sphere may include a third ball guide groove arranged to move in the third direction.

FIG. 13 is a diagram illustrating an example of a state in which the camera module 100 is mounted on the electronic device 900 according to an embodiment.

The camera module 100 shown in FIG. 13 is referenced by reference numeral 100, but is not limited to the camera module 100 shown in FIG. 1. For example, the camera module 100 of FIG. 13 may include the actuator shown in FIG. 9 . FIG. 13 only shows one example of the camera module 100 being disposed in the electronic device 900, and the position of the camera module 100 within the electronic device 900 is limited to the example shown in FIG. 13. It doesn't work. For example, the camera module 100 may be an Under Display Camera (UDC) disposed on the rear of the display of the electronic device 900.

Electronic device 900 may be a mobile device or a portable device. For example, the electronic device may be a smartphone, tablet PC, or laptop computer that is small enough to be portable or portable.

The camera module 100 according to one embodiment may be arranged so that the lens 121 faces the outside of the electronic device 900. The electronic device 900 may further include other openings 910 in its case in addition to the opening through which the lens 121 of the camera module 100 is exposed. The electronic device 900 may further include other components disposed at positions within the electronic device 900 corresponding to positions where the other openings 910 are formed. For example, the electronic device 600 may further include at least one of another camera, a proximity sensor, or a flash.

FIG. 14 is a block diagram of an electronic device 1001 in a network environment 1000, according to various embodiments. Referring to FIG. 14, in the network environment 1000, the electronic device 1001 communicates with the electronic device 1002 through a first network 1098 (e.g., a short-range wireless communication network) or a second network 1099. It is possible to communicate with at least one of the electronic device 1004 or the server 1008 through (e.g., a long-distance wireless communication network). According to one embodiment, the electronic device 1001 may communicate with the electronic device 1004 through the server 1008. According to one embodiment, the electronic device 1001 includes a processor 1020, a memory 1030, an input module 1050, an audio output module 1055, a display module 1060, an audio module 1070, and a sensor module ( 1076), interface (1077), connection terminal (1078), haptic module (1079), camera module (1080), power management module (1088), battery (1089), communication module (1090), subscriber identification module (1096) , or may include an antenna module 1097. In some embodiments, at least one of these components (eg, the connection terminal 1078) may be omitted, or one or more other components may be added to the electronic device 1001. In some embodiments, some of these components (e.g., sensor module 1076, camera module 1080, or antenna module 1097) are integrated into one component (e.g., display module 1060). It can be.

The processor 1020, for example, executes software (e.g., program 1040) to operate at least one other component (e.g., hardware or software component) of the electronic device 1001 connected to the processor 1020. It can be controlled and various data processing or calculations can be performed. According to one embodiment, as at least part of the data processing or computation, the processor 1020 stores instructions or data received from another component (e.g., the sensor module 1076 or the communication module 1090) in the volatile memory 1032. The commands or data stored in the volatile memory 1032 can be processed, and the resulting data can be stored in the non-volatile memory 1034. According to one embodiment, the processor 1020 includes a main processor 1021 (e.g., a central processing unit or an application processor) or an auxiliary processor 1023 that can operate independently or together (e.g., a graphics processing unit, a neural network processing unit ( It may include a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor). For example, if the electronic device 1001 includes a main processor 1021 and a auxiliary processor 1023, the auxiliary processor 1023 may be set to use lower power than the main processor 1021 or be specialized for a designated function. You can. The auxiliary processor 1023 may be implemented separately from the main processor 1021 or as part of it.

The auxiliary processor 1023 may, for example, act on behalf of the main processor 1021 while the main processor 1021 is in an inactive (e.g., sleep) state, or while the main processor 1021 is in an active (e.g., application execution) state. ), together with the main processor 1021, at least one of the components of the electronic device 1001 (e.g., the display module 1060, the sensor module 1076, or the communication module 1090) At least some of the functions or states related to can be controlled. According to one embodiment, co-processor 1023 (e.g., image signal processor or communication processor) may be implemented as part of another functionally related component (e.g., camera module 1080 or communication module 1090). there is. According to one embodiment, the auxiliary processor 1023 (eg, neural network processing unit) may include a hardware structure specialized for processing artificial intelligence models. Artificial intelligence models can be created through machine learning. For example, such learning may be performed in the electronic device 1001 itself on which the artificial intelligence model is performed, or may be performed through a separate server (e.g., server 1008). Learning algorithms may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but It is not limited. An artificial intelligence model may include multiple artificial neural network layers. Artificial neural networks include deep neural network (DNN), convolutional neural network (CNN), recurrent neural network (RNN), restricted boltzmann machine (RBM), belief deep network (DBN), bidirectional recurrent deep neural network (BRDNN), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the examples described above. In addition to hardware structures, artificial intelligence models may additionally or alternatively include software structures.

The memory 1030 may store various data used by at least one component (eg, the processor 1020 or the sensor module 1076) of the electronic device 1001. Data may include, for example, input data or output data for software (e.g., program 1040) and instructions related thereto. Memory 1030 may include volatile memory 1032 or non-volatile memory 1034.

The program 1040 may be stored as software in the memory 1030 and may include, for example, an operating system 1042, middleware 1044, or applications 1046.

The input module 1050 may receive commands or data to be used in a component of the electronic device 1001 (e.g., the processor 1020) from outside the electronic device 1001 (e.g., a user). The input module 1050 may include, for example, a microphone, mouse, keyboard, keys (eg, buttons), or digital pen (eg, stylus pen).

The sound output module 1055 can output sound signals to the outside of the electronic device 1001. The sound output module 1055 may include, for example, a speaker or receiver. Speakers can be used for general purposes such as multimedia playback or recording playback. The receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.

The display module 1060 can visually provide information to the outside of the electronic device 1001 (eg, a user). The display module 1060 may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the device. According to one embodiment, the display module 1060 may include a touch sensor configured to detect a touch, or a pressure sensor configured to measure the intensity of force generated by the touch.

The audio module 1070 can convert sound into an electrical signal or, conversely, convert an electrical signal into sound. According to one embodiment, the audio module 1070 acquires sound through the input module 1050, the sound output module 1055, or an external electronic device (e.g., directly or wirelessly connected to the electronic device 1001). Sound may be output through an electronic device 1002 (e.g., speaker or headphone).

The sensor module 1076 detects the operating state (e.g., power or temperature) of the electronic device 1001 or the external environmental state (e.g., user state) and generates an electrical signal or data value corresponding to the detected state. can do. According to one embodiment, the sensor module 1076 includes, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, humidity sensor, or light sensor.

The interface 1077 may support one or more designated protocols that can be used to connect the electronic device 1001 directly or wirelessly with an external electronic device (eg, the electronic device 1002). According to one embodiment, the interface 1077 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 1078 may include a connector through which the electronic device 1001 can be physically connected to an external electronic device (eg, the electronic device 1002). According to one embodiment, the connection terminal 1078 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 1079 can convert electrical signals into mechanical stimulation (e.g., vibration or movement) or electrical stimulation that the user can perceive through tactile or kinesthetic senses. According to one embodiment, the haptic module 1079 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 1080 can capture still images and videos. According to one embodiment, the camera module 1080 may include one or more lenses, image sensors, image signal processors, or flashes.

The power management module 1088 can manage power supplied to the electronic device 1001. According to one embodiment, the power management module 1088 may be implemented as at least a part of, for example, a power management integrated circuit (PMIC).

The battery 1089 may supply power to at least one component of the electronic device 1001. According to one embodiment, the battery 1089 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.

The communication module 1090 provides a direct (e.g., wired) communication channel or a wireless communication channel between the electronic device 1001 and an external electronic device (e.g., the electronic device 1002, the electronic device 1004, or the server 1008). It can support establishment and communication through established communication channels. Communication module 1090 operates independently of processor 1020 (e.g., an application processor) and may include one or more communication processors that support direct (e.g., wired) communication or wireless communication. According to one embodiment, the communication module 1090 may be a wireless communication module 1092 (e.g., a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 1094 (e.g., : LAN (local area network) communication module, or power line communication module) may be included. Among these communication modules, the corresponding communication module is a first network 1098 (e.g., a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 1099 (e.g., legacy It may communicate with an external electronic device 1004 through a telecommunication network such as a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., LAN or WAN). These various types of communication modules may be integrated into one component (e.g., a single chip) or may be implemented as a plurality of separate components (e.g., multiple chips). The wireless communication module 1092 uses subscriber information (e.g., International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 1096 to communicate within a communication network, such as the first network 1098 or the second network 1099. The electronic device 1001 can be confirmed or authenticated.

The wireless communication module 1092 may support 5G networks after 4G networks and next-generation communication technologies, for example, NR access technology (new radio access technology). NR access technology provides high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low latency). -latency communications)) can be supported. The wireless communication module 1092 may support high frequency bands (e.g., mmWave bands), for example, to achieve high data rates. The wireless communication module 1092 uses various technologies to secure performance in high frequency bands, for example, beamforming, massive array multiple-input and multiple-output (MIMO), and full-dimensional multiplexing. It can support technologies such as input/output (FD-MIMO: full dimensional MIMO), array antenna, analog beam-forming, or large scale antenna. The wireless communication module 1092 may support various requirements specified in the electronic device 1001, an external electronic device (e.g., electronic device 1004), or a network system (e.g., second network 1099). According to one embodiment, the wireless communication module 1092 supports peak data rate (e.g., 20 Gbps or more) for realizing eMBB, loss coverage (e.g., 164 dB or less) for realizing mmTC, or U-plane latency (e.g., 164 dB or less) for realizing URLLC. Example: Downlink (DL) and uplink (UL) each of 0.5 ms or less, or round trip 1 ms or less) can be supported.

The antenna module 1097 may transmit or receive signals or power to or from the outside (e.g., an external electronic device). According to one embodiment, the antenna module 1097 may include an antenna including a radiator made of a conductor or a conductive pattern formed on a substrate (eg, PCB). According to one embodiment, the antenna module 1097 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for the communication method used in the communication network, such as the first network 1098 or the second network 1099, is connected to the plurality of antennas by, for example, the communication module 1090. can be selected. Signals or power may be transmitted or received between the communication module 1090 and an external electronic device through the selected at least one antenna. According to some embodiments, in addition to the radiator, other components (eg, radio frequency integrated circuit (RFIC)) may be additionally formed as part of the antenna module 1097.

According to various embodiments, antenna module 1097 may form a mmWave antenna module. According to one embodiment, a mmWave antenna module includes: a printed circuit board, an RFIC disposed on or adjacent to a first side (e.g., bottom side) of the printed circuit board and capable of supporting a designated high frequency band (e.g., mmWave band); And a plurality of antennas (e.g., array antennas) disposed on or adjacent to the second side (e.g., top or side) of the printed circuit board and capable of transmitting or receiving signals in the designated high frequency band. can do.

At least some of the components are connected to each other through a communication method between peripheral devices (e.g., bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)) and signal ( (e.g. commands or data) can be exchanged with each other.

According to one embodiment, commands or data may be transmitted or received between the electronic device 1001 and the external electronic device 1004 through the server 1008 connected to the second network 1099. Each of the external electronic devices 1002 or 904 may be of the same or different type as the electronic device 1001. According to one embodiment, all or part of the operations performed in the electronic device 1001 may be executed in one or more of the external electronic devices 1002, 904, or 908. For example, when the electronic device 1001 needs to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device 1001 may perform the function or service instead of executing the function or service on its own. Alternatively, or additionally, one or more external electronic devices may be requested to perform at least part of the function or service. One or more external electronic devices that have received the request may execute at least part of the requested function or service, or an additional function or service related to the request, and transmit the result of the execution to the electronic device 1001. The electronic device 1001 may process the result as is or additionally and provide it as at least part of a response to the request. For this purpose, for example, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology can be used. The electronic device 1001 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing. In another embodiment, the external electronic device 1004 may include an Internet of Things (IoT) device. Server 1008 may be an intelligent server using machine learning and/or neural networks. According to one embodiment, the external electronic device 1004 or server 1008 may be included in the second network 1099. The electronic device 1001 may be applied to intelligent services (e.g., smart home, smart city, smart car, or healthcare) based on 5G communication technology and IoT-related technology.

FIG. 15 is a block diagram 1100 illustrating a camera module 1080, according to various embodiments. Referring to FIG. 15, the camera module 1080 includes a lens assembly 1110, a flash 1120, an image sensor 1130, an image stabilizer 1140, a memory 1150 (e.g., buffer memory), or an image signal processor. It may include (1160). The lens assembly 1110 may collect light emitted from a subject that is the target of image capture. Lens assembly 1110 may include one or more lenses. According to one embodiment, the camera module 1080 may include a plurality of lens assemblies 1110. In this case, the camera module 1080 may form, for example, a dual camera, a 360-degree camera, or a spherical camera. Some of the plurality of lens assemblies 1110 have the same lens properties (e.g., angle of view, focal length, autofocus, f number, or optical zoom), or at least one lens assembly is different from another lens assembly. It may have one or more lens properties that are different from the lens properties of . The lens assembly 1110 may include, for example, a wide-angle lens or a telephoto lens.

The flash 1120 may emit light used to enhance light emitted or reflected from a subject. According to one embodiment, the flash 1120 may include one or more light emitting diodes (eg, red-green-blue (RGB) LED, white LED, infrared LED, or ultraviolet LED), or a xenon lamp. The image sensor 1130 can acquire an image corresponding to the subject by converting light emitted or reflected from the subject and transmitted through the lens assembly 1110 into an electrical signal. According to one embodiment, the image sensor 1130 is one image sensor selected from among image sensors with different properties, such as an RGB sensor, a BW (black and white) sensor, an IR sensor, or a UV sensor, and the same It may include a plurality of image sensors having different properties, or a plurality of image sensors having different properties. Each image sensor included in the image sensor 1130 may be implemented using, for example, a charged coupled device (CCD) sensor or a complementary metal oxide semiconductor (CMOS) sensor.

The image stabilizer 1140 moves at least one lens or image sensor 1130 included in the lens assembly 1110 in a specific direction in response to the movement of the camera module 1080 or the electronic device 1001 including the same. The operating characteristics of the image sensor 1130 can be controlled (e.g., adjusting read-out timing, etc.). This allows to compensate for at least some of the negative effects of said movement on the image being captured. According to one embodiment, the image stabilizer 1140 is a gyro sensor (not shown) or an acceleration sensor (not shown) disposed inside or outside the camera module 1080. It is possible to detect such movement of the camera module 1080 or the electronic device 1001 using . According to one embodiment, the image stabilizer 1140 may be implemented as, for example, an optical image stabilizer. The memory 1150 may at least temporarily store at least a portion of the image acquired through the image sensor 1130 for the next image processing task. For example, when image acquisition is delayed due to the shutter or when multiple images are acquired at high speed, the acquired original image (e.g., Bayer-patterned image or high-resolution image) is stored in the memory 1150. , the corresponding copy image (e.g., low resolution image) may be previewed through the display module 1060. Thereafter, when a specified condition is satisfied (eg, user input or system command), at least a portion of the original image stored in the memory 1150 may be obtained and processed, for example, by the image signal processor 1160. According to one embodiment, the memory 1150 may be configured as at least part of the memory 1030 or as a separate memory that operates independently.

The image signal processor 1160 may perform one or more image processes on an image acquired through the image sensor 1130 or an image stored in the memory 1150. The one or more image processes may include, for example, depth map creation, three-dimensional modeling, panorama creation, feature point extraction, image compositing, or image compensation (e.g., noise reduction, resolution adjustment, brightness adjustment, blurring). may include blurring, sharpening, or softening. Additionally or alternatively, the image signal processor 1160 may include at least one of the components included in the camera module 1080 (e.g., an image sensor). (1130)) may perform control (e.g., exposure time control, lead-out timing control, etc.). The image processed by the image signal processor 1160 is stored back in the memory 1150 for further processing. or may be provided as an external component of the camera module 1080 (e.g., memory 1030, display module 1060, electronic device 1002, electronic device 1004, or server 1008). According to an example, the image signal processor 1160 may be configured as at least a part of the processor 1020, or may be configured as a separate processor that operates independently of the processor 1020. The image signal processor 1160 may be configured as the processor 1020. When configured with a separate processor, at least one image processed by the image signal processor 1160 may be displayed through the display module 1060 as is or after additional image processing by the processor 1020.

According to one embodiment, the electronic device 1001 may include a plurality of camera modules 1080, each with different properties or functions. In this case, for example, at least one of the plurality of camera modules 1080 may be a wide-angle camera and at least another one may be a telephoto camera. Similarly, at least one of the plurality of camera modules 1080 may be a front camera, and at least another one may be a rear camera.

Electronic devices according to various embodiments disclosed in this document may be of various types. Electronic devices may include, for example, portable communication devices (e.g., smartphones), computer devices, portable multimedia devices, portable medical devices, cameras, wearable devices, or home appliances. Electronic devices according to embodiments of this document are not limited to the above-described devices.

The various embodiments of this document and the terms used herein are not intended to limit the technical features described in this document to specific embodiments, and should be understood to include various changes, equivalents, or replacements of the embodiments. In connection with the description of the drawings, similar reference numbers may be used for similar or related components. The singular form of a noun corresponding to an item may include one or more of the above items, unless the relevant context clearly indicates otherwise. As used herein, “A or B”, “at least one of A and B”, “at least one of A or B”, “A, B or C”, “at least one of A, B and C”, and “A Each of phrases such as “at least one of , B, or C” may include any one of the items listed together in the corresponding phrase, or any possible combination thereof. Terms such as "first", "second", or "first" or "second" may be used simply to distinguish one component from another, and to refer to that component in other respects (e.g., importance or order) is not limited. One (e.g., first) component is said to be “coupled” or “connected” to another (e.g., second) component, with or without the terms “functionally” or “communicatively.” When mentioned, it means that any of the components can be connected to the other components directly (e.g. wired), wirelessly, or through a third component.

The term “module” used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as logic, logic block, component, or circuit, for example. It can be used as A module may be an integrated part or a minimum unit of the parts or a part thereof that performs one or more functions. For example, according to one embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of the present document are one or more instructions stored in a storage medium (e.g., built-in memory 1036 or external memory 1038) that can be read by a machine (e.g., electronic device 1001). It may be implemented as software (e.g., program 1040) including these. For example, a processor (e.g., processor 1020) of a device (e.g., electronic device 1001) may call at least one command among one or more commands stored from a storage medium and execute it. This allows the device to be operated to perform at least one function according to the at least one instruction called. The one or more instructions may include code generated by a compiler or code that can be executed by an interpreter. A storage medium that can be read by a device may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' only means that the storage medium is a tangible device and does not contain signals (e.g. electromagnetic waves), and this term refers to cases where data is semi-permanently stored in the storage medium. There is no distinction between temporary storage cases.

According to one embodiment, methods according to various embodiments disclosed in this document may be provided and included in a computer program product. Computer program products are commodities and can be traded between sellers and buyers. The computer program product may be distributed in the form of a machine-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play Store ^TM ) or on two user devices (e.g. It can be distributed (e.g. downloaded or uploaded) directly between smart phones) or online. In the case of online distribution, at least a portion of the computer program product may be at least temporarily stored or temporarily created in a machine-readable storage medium, such as the memory of a manufacturer's server, an application store's server, or a relay server.

According to various embodiments, each component (e.g., module or program) of the above-described components may include a single or plural entity, and some of the plurality of entities may be separately placed in other components. there is. According to various embodiments, one or more of the components or operations described above may be omitted, or one or more other components or operations may be added. Alternatively or additionally, multiple components (eg, modules or programs) may be integrated into a single component. In this case, the integrated component may perform one or more functions of each component of the plurality of components in the same or similar manner as those performed by the corresponding component of the plurality of components prior to the integration. . According to various embodiments, operations performed by a module, program, or other component may be executed sequentially, in parallel, iteratively, or heuristically, or one or more of the operations may be executed in a different order, or omitted. Alternatively, one or more other operations may be added.

Methods according to embodiments described in the claims or specification of the present disclosure may be implemented in the form of hardware, software, or a combination of hardware and software.

When implemented as software, a computer-readable storage medium that stores one or more programs (software modules) may be provided. One or more programs stored in a computer-readable storage medium are configured to be executable by one or more processors in an electronic device (configured for execution). One or more programs include instructions that cause the electronic device to execute methods according to embodiments described in the claims or specification of the present disclosure.

These programs (software modules, software) include random access memory, non-volatile memory including flash memory, read only memory (ROM), and electrically erasable programmable ROM. (EEPROM: electrically erasable programmable read only memory), magnetic disc storage device, compact disc-ROM (CD-ROM), digital versatile discs (DVDs), or other forms of disk storage. It can be stored in an optical storage device or magnetic cassette. Alternatively, it may be stored in a memory consisting of a combination of some or all of these. Additionally, multiple configuration memories may be included.

In addition, the program may be operated through a communication network such as the Internet, an intranet, a local area network (LAN), a wide LAN (WLAN), or a storage area network (SAN), or a combination thereof. It may be stored on an attachable storage device that is accessible. This storage device can be connected to a device performing an embodiment of the present disclosure through an external port. Additionally, a separate storage device on a communications network may be connected to the device performing embodiments of the present disclosure.

In the specific embodiments of the present disclosure described above, elements included in the disclosure are expressed in singular or plural numbers depending on the specific embodiment presented. However, singular or plural expressions are selected to suit the presented situation for convenience of explanation, and the present disclosure is not limited to singular or plural components, and even components expressed in plural may be composed of singular or singular. Even expressed components may be composed of plural elements.

Meanwhile, in the detailed description of the present disclosure, specific embodiments have been described, but of course, various modifications are possible without departing from the scope of the present disclosure. Therefore, the scope of the present disclosure should not be limited to the described embodiments, but should be determined not only by the scope of the patent claims described later, but also by the scope of this patent claim and equivalents.

Claims

In the camera module,

frame;

a lens unit movably disposed relative to the frame and including at least one lens;

an image sensor that converts light received through the lens unit into an electrical signal;

a first driving unit that transports the lens unit in a first direction and/or a second direction different from the first direction with respect to the frame; and

a second driving unit that transports the lens unit in a third direction in which the distance between the at least one lens and the image sensor changes;

The first driving unit includes a first carrier for transporting the lens unit in the first direction and a second carrier for transporting the lens unit in the second direction,

The second driving unit includes a third carrier disposed between a side surface of the first driving unit and the frame, and the side surface of the first driving unit is a surface facing the first direction or the second direction.
The method of claim 1, wherein the second carrier is:

a base on which the first carrier is placed, and

A camera module comprising a side portion extending from one end of the base to limit a range of movement of the first carrier in the first direction and/or the second direction.
The method of claim 2, wherein the first driving unit,

A camera module comprising at least one first sphere disposed between the first carrier and the base of the first carrier such that the first carrier can move on the second carrier.
The camera module of claim 3, wherein the second carrier includes a first ball guide groove disposed on the base so that the at least one first sphere can move in a first direction.
The method according to claim 1, wherein the first driving unit,

A first magnet disposed on a first side of the first carrier,

a second magnet disposed on the second side of the first carrier,

a first coil disposed on the frame to face the first magnet, and

A camera module comprising a second coil disposed on the frame to face the second magnet.
The method according to claim 1, wherein the second driving unit,

a third magnet disposed on a side of the second carrier facing the frame, and

A camera module comprising a third coil disposed on the frame to face the third magnet.
In claim 6,

a first fitting disposed on one side of the second carrier facing the third carrier; and

comprising a second fitting disposed on the frame,

The third magnet is disposed between the first fitting and the second fitting.
The camera module of claim 7, wherein the first fitting and the second fitting include a magnetic material having magnetism in a magnetic field.
In claim 7,

at least one second sphere disposed between the second carrier and the third carrier; and

A camera module comprising at least one third sphere disposed between the third carrier and the housing.
The method of claim 9, wherein the third carrier is:

a second ball guide groove disposed on a surface facing the second carrier so that the at least one second sphere can move in the second direction; and

A camera module comprising a third ball guide groove disposed on a surface facing the frame so that the at least one third sphere can move in the third direction.
In claim 9,

The product of the distance from the third direction height center of the third magnet to the at least one second sphere and the attractive force between the first fitting and the third magnet is the distance from the center of gravity of the first driving unit to the at least one second sphere. 2 A camera module greater than the product of the distance to the sphere and the weight at the center of gravity of the first driving unit.
In claim 1,

The first direction is perpendicular to the optical axis of the lens,

The second direction is perpendicular to the optical axis and the first direction,

The third direction is the same as the optical axis or a direction parallel to the optical axis.
The camera module according to claim 1, wherein the third carrier is in the form of a flat plate corresponding to a side of the first driving unit facing the third carrier or a side of the frame facing the third carrier.
In claim 1,

A camera module comprising at least one of a shaft or a rail that guides the movement direction of the lens unit, the first driving unit, or the third driving unit.
The method of claim 1, wherein the camera module,

The camera module further includes a prism that refracts the path of light so that the light passing through the lens unit is guided to the image sensor.