camera equipment
The camera device stabilizes images by using a holder, substrate, coils, and magnets to correct shifts and rotations, addressing limitations in conventional image stabilization systems, thereby improving image stabilization across various scenarios.
Patent Information
- Application Number
- JP2024194339
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2019-03-28
- Filing Date
- 2024-11-06
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2040-03-17
AI Technical Summary
Conventional image stabilization modules in camera devices are limited in correcting shifts in the x-axis, y-axis, and rotations around the z-axis, and existing systems do not effectively stabilize images in various situations.
A camera device with a holder, substrate, coils, and magnets arranged in specific configurations to independently apply currents to coils, allowing for image stabilization through both the lens and image sensor, enabling shifts in the x-axis and y-axis directions and rotations around the z-axis.
The solution provides improved image stabilization by stabilizing the image sensor and lens, effectively correcting for camera shake in multiple directions, enhancing the camera's functionality in diverse situations.
Smart Images

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Figure 0007815390000003
Abstract
Description
[Technical Field]
[0001] This embodiment relates to a camera device. [Background technology]
[0002] As various mobile devices become more widely available, wireless internet services become commonplace. As a result, consumer demands for mobile devices are becoming more diverse, and various types of additional devices are being introduced into mobile devices. It is attached to the mobile terminal.
[0003] A typical example is a camera device that takes photographs or videos of a subject. On the other hand, recent camera devices have a shake-prevention function to prevent the image from becoming blurred due to the photographer's shaking hands. The distortion correction function is applied.
[0004] However, the x-axis / y-axis lens shift used in conventional image stabilization modules There are limitations to correcting different types of tremors. Summary of the Invention [Problem to be solved by the invention]
[0005] In this embodiment, the image stabilization for the shift in the x-axis direction, the shift in the y-axis direction, and the rotation around the z-axis is performed. To provide a camera device that can
[0006] In addition, image stabilization is performed both through the lens and through the image sensor. The present invention aims to provide a camera device that can be used in various situations. [Means for solving the problem]
[0007] The camera device according to this embodiment includes a holder; a substrate placed on the holder; and a a coil disposed on a plate; a base disposed apart from the holder; and a coil disposed on the base. a magnet positioned opposite the coil; and an image sensor coupled to the base. the substrate includes first to fourth corners, and the coil is a first coil disposed at a first corner and a second coil disposed at a second corner of the substrate; a third coil disposed at the third corner of the substrate; and a fourth coil disposed at the fourth corner of the substrate. a fourth coil disposed at a corner, the fourth coil being positioned at a corner between the long side of the first coil and the long side of the third coil; are arranged parallel to each other, and the long side of the second coil and the long side of the fourth coil are , are arranged parallel to each other, and the long side of the first coil and the long side of the second coil are They can be arranged so as not to be parallel to each other.
[0008] The long sides of the first coil and the long sides of the second coil are arranged so that their virtual extension lines are perpendicular to each other. can be placed in
[0009] Currents are applied independently to at least three of the first to fourth coils. This can be done.
[0010] The first to fourth coils may be electrically isolated from each other.
[0011] The camera device includes a terminal electrically connected to a terminal of the image sensor. a terminal portion disposed on the base; and a plurality of wires connecting the substrate and the terminal portion. It can also include:
[0012] The camera device further includes an image sensor substrate on which the image sensor is disposed. the image sensor substrate is coupled to the terminal portion, and the terminal portion is connected to the base The image sensor may be coupled to the base.
[0013] The number of wires corresponds to the number of terminals of the image sensor. may include:
[0014] The plurality of wires are arranged in a manner that six wires are provided between adjacent four corners of the base. It can contain a total of 24 wires.
[0015] The magnet is disposed at a first corner of the base opposite the first coil. a first magnet and a second magnet disposed at a second corner of the base facing the second coil; a second magnet and a third coil disposed at a third corner of the base opposite the third coil; a magnet and a fourth magnet disposed at a fourth corner of the base opposite the fourth coil; It may include magnets.
[0016] The base has a first side and a second side disposed opposite to each other, and a gap between the first side and the second side. a third side surface and a fourth side surface disposed opposite to each other between the second side surface and the front of the base; The first corner is disposed between the first side surface and the third side surface, and the first corner of the base is The second corner is disposed between the third side surface and the second side surface, and The three corners are disposed between the second side surface and the fourth side surface, and the fourth side surface of the base is The corner is disposed between the fourth side surface and the first side surface and in front of the first magnet. The polarity of the surface facing the coil is reversed between the portion close to the first side surface and the portion close to the second side surface. In contrast, the polarity of the surface of the second magnet facing the coil is The near portion and the near portion of the fourth side surface may be different from each other.
[0017] Either a forward current or a reverse current is selectively applied to each of the four coils. It can be done.
[0018] The camera device according to this embodiment includes an optical module that performs a camera shake correction function; an image sensor arranged in alignment with the module; and a sensor for driving the image sensor. the actuator rotates the image sensor perpendicular to the optical axis. The optical axis is moved in a first direction, and the optical axis is moved in a second direction perpendicular to the first direction. It can be rotated around an axis.
[0019] The optical module includes at least one of a liquid lens and a MEMS actuator. can be done.
[0020] The camera device according to this embodiment includes a base assembly including an image sensor; a holder assembly spaced apart from the base assembly; a coil disposed on the base assembly facing the coil; and a mating magnet; and connecting the base assembly and the holder assembly. a plurality of elastic members; and the plurality of elastic members are electrically connected to the image sensor. It can be done. [Effects of the Invention]
[0021] In this embodiment, the image sensor is shifted in the x-axis direction and the y-axis direction in response to camera shake. A direction shift and a rotation about the z-axis can be performed.
[0022] In addition, image stabilization for the image sensor and the corresponding lens is They can be implemented together.
[0023] This makes it possible to provide an improved image stabilization function. [Brief explanation of the drawings]
[0024] [Figure 1] 1 is a perspective view of a camera device according to an embodiment of the present invention; [Figure 2] FIG. 2 is a cross-sectional view taken along line AA in FIG. [Figure 3] FIG. 2 is a cross-sectional view taken along the line BB in FIG. [Figure 4] FIG. 2 is an exploded perspective view of a partial configuration of the camera device according to the present embodiment. [Figure 5] FIG. 2 is an exploded perspective view of a partial configuration of the camera device according to the present embodiment. [Figure 6] FIG. 2 is a bottom perspective view of a partial configuration of the camera device according to the present embodiment. [Figure 7] FIG. 1 is a perspective view of a partial configuration of a camera device according to an embodiment of the present invention. [Figure 8] FIG. 10 is a perspective view of a partial configuration of a camera device according to a modified example. [Figure 9A] FIG. 2 is an exploded perspective view of a partial configuration of the camera device according to the present embodiment. [Figure 9B] 9B is a cross-sectional view of the camera device of FIG. 9A, showing a state in which some components are coupled, as viewed from CC. [Figure 9C] 9B is a cross-sectional view of the camera device of FIG. 9A, showing a state in which some components are coupled, as viewed from the direction DD. [Figure 10] 9B is an exploded perspective view of a partial configuration of the camera device according to the present embodiment, seen from a different direction from that of FIG. 9A. FIG. [Figure 11] 9B is an exploded perspective view of a partial configuration of the camera device according to the present embodiment, seen from a different direction from that of FIG. 9A. FIG. [Figure 12] FIG. 2 is an exploded perspective view of the image sensor module of the camera device according to the embodiment. [Figure 13]13 is an exploded perspective view of the image sensor module of the camera device according to the present embodiment, seen from a different direction from that of FIG. 12. FIG. [Figure 14] 10A and 10B are diagrams illustrating x-axis direction shift driving using a partial configuration of the camera device according to the present embodiment. [Figure 15] 10A and 10B are diagrams illustrating a shift drive in the y-axis direction using a partial configuration of the camera device according to the present embodiment. [Figure 16] 10A and 10B are diagrams illustrating a rotation drive about the z-axis using a partial configuration of the camera device according to the present embodiment. [Figure 17] 1(a) is a diagram illustrating the magnet arranged on the base along the x-axis and y-axis, and FIG. 1(b) is a diagram illustrating the base, magnet, and coil along with the z-axis rotation drive. [Figure 18] 3 is a diagram illustrating the magnetic flow and Lorentz force between the magnet and coil of the camera device according to the present embodiment. FIG. [Figure 19] FIG. 1 is a perspective view of an optical device according to an embodiment of the present invention. [Figure 20] FIG. 20 is a configuration diagram of the optical device shown in FIG. 19. DETAILED DESCRIPTION OF THE INVENTION
[0025] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[0026] However, the technical concept of the present invention is not limited to the embodiments described, and various different forms can be used. Within the scope of the technical concept of the present invention, the components of the embodiments may be One or more of these can be used in combination or in substitution.
[0027] Furthermore, the terms (including technical and scientific terms) used in the embodiments of the present invention are expressly Unless otherwise defined and described in the specification, it is understood by those skilled in the art that the present invention pertains to Terms commonly used in conjunction with predefined terms are interpreted as meanings that are naturally understood. It should be possible to interpret the meaning in light of the contextual meaning of the relevant art.
[0028] Furthermore, the terms used in the examples of the present invention are intended to explain the examples, and are not to be construed as limiting the scope of the present invention. It is not intended to limit clarity.
[0029] In this specification, the singular can include the plural unless the context clearly dictates otherwise, and examples include "A and (and) at least one (or more) of B and C” means that A, B, and C are combined. It may include one or more of all possible combinations.
[0030] Furthermore, in describing the components of the embodiment of the present invention, first, second, A, B, (a) , (b), etc., can be used. Such terms separate the component from another component. The term is merely used to distinguish it from the elements, and does not affect the essence, order, or sequence of the elements. It is not limited to the introduction.
[0031] Note that a component may be described as 'linked', 'coupled', or 'connected' to another component. When listed, the component is directly 'connected', 'coupled', or 'bonded' to the other component. is not only 'connected', but also between that component and another component. This may also include cases where the item is 'coupled', 'coupled', or 'connected' by another component. do.
[0032] Furthermore, when described as being formed or disposed "on" or "under" an element, "Above" or "below" refers not only to two components that are in direct contact with each other, but also to one or more components that are in direct contact with each other. This also includes cases where a further component is formed or disposed between the two components. When expressed as "upper" or "lower", it refers to the upper direction as well as the lower direction based on one component. The meaning of the direction of the arrow can also be included.
[0033] The 'Optical Axis' (see OA in Figure 4) direction used below is the direction of the lens. It is defined as the direction of the optical axis of the lens and / or image sensor coupled to the lens driver.
[0034] The 'vertical direction' used below may be the direction parallel to the optical axis direction. The horizontal direction used below can be understood as the z-axis direction (see Figure 4). The horizontal direction can be perpendicular to the vertical direction. That is, the horizontal direction can be perpendicular to the optical axis. Therefore, the horizontal direction can include the 'x-axis direction' and the 'y-axis direction' (see Figure 4).
[0035] The term 'autofocus' used below refers to the process of capturing a clear image of the subject on the image sensor. The lens is moved along the optical axis according to the distance to the subject so that an image can be obtained. It is defined as a function that automatically adjusts the focus on the subject by adjusting the distance from the camera. On the other hand, 'auto focus' corresponds to 'AF (Auto Focus)'. It is possible.
[0036] The term "image stabilization" used below refers to the correction of vibrations that occur in the image sensor due to external forces. The ability to move the lens and / or image sensor to compensate for motion On the other hand, 'image stabilization' refers to 'OIS (Optical Image Stabilization)'. This can be translated as 'bilization'.
[0037] The configuration of the camera device will be described below with reference to the drawings.
[0038] FIG. 1 is a perspective view of a camera device according to this embodiment, and FIG. 2 is a cross-sectional view taken along line AA in FIG. 3 is a cross-sectional view taken along the line BB in FIG. 1, and FIG. 4 is a partial view of the camera device according to this embodiment. FIG. 5 is an exploded perspective view of a part of the configuration of the camera device according to this embodiment. FIG. 6 is a bottom perspective view of a part of the configuration of the camera device according to this embodiment, and FIG. FIG. 8 is a perspective view of a partial configuration of a camera device according to a modified example. 9A is an exploded perspective view of a part of the configuration of the camera device according to this embodiment, and FIG. 9B is a perspective view of the camera device according to FIG. 9A. FIG. 9C is a cross-sectional view of the camera device in a state where some components are connected, as viewed from CC. Figures 10 and 11 are cross-sectional views of the combined camera device components as seen from the DD. 9B is an exploded perspective view of a part of the configuration of the camera device according to the present embodiment, seen from a direction different from that of FIG. 9A; 2 is an exploded perspective view of the image sensor module of the camera device according to this embodiment, and FIG. 12 of the image sensor module of the camera device according to this embodiment. FIG. 14 is an exploded perspective view of a part of the camera device according to the present embodiment. FIG. 15 is a diagram for explaining the soft drive, and shows a partial configuration of the camera device according to this embodiment. FIG. 16 is a diagram for explaining the axial shift drive, and shows a partial configuration of the camera device according to this embodiment. In this figure, the rotational drive around the z-axis is explained. Figure 17(b) shows the base, magnet and core along the x-axis and y-axis. FIG. 18 is a view showing the lens of the camera device according to the present embodiment, along with the rotational drive in the z-axis direction. Magnetic flow between the magnet and the coil and Lorentz This is a diagram illustrating the Lorentz Force.
[0039] The camera device 10A may include a camera module. The camera device 10A can include a lens driving device. It can be a voice coil motor (VCM). The lens driving device may be a lens driving motor. The lens driving device may include an AF module. The lens driving device may include an OI It may contain an S module.
[0040] The camera device 10A may include an actuator. The actuator can drive the image sensor 444. The actuator moves the image sensor 444. The actuator can rotate the image sensor 444. The actuator moves the image sensor 444 in a first direction perpendicular to the optical axis. The lens can be moved in a second direction perpendicular to the first direction and rotated around the optical axis. In this case, the first direction may be the x-axis direction, the second direction may be the y-axis direction, and the optical axis may be the z-axis direction. The actuator may include a coil 310 and a magnet 320. The actuator can move the image sensor 444 via electromagnetic force.
[0041] The camera device 10A can include a holder 110. The holder 110 can be used to hold a print circuit. The holder 110 may be disposed on the underside of the printed circuit board 50. The holder 110 is disposed on the upper surface of the substrate 120. The holder 110 can be placed between the printed circuit board 50 and the substrate 120. The lens module 210 can be placed in the holder 110. An optical module can be placed in the holder 110. 0 can be coupled to the housing 600.
[0042] The holder 110 may include a step 111. The step 111 may The step 111 may be formed around the hole 112. The step 111 supports the lower surface of a part of the lens module 210. As a result, the lens module 210 can be fixed to the step 111. This can prevent the device from falling off downwards in this state.
[0043] The holder 110 may include a hole 112. The hole 112 is a hollow hole. The hole 112 may be an opening. A lens module 210 can be arranged. A part of the lens module 210 can be a hole. It can extend below the step 111 via a rail 112.
[0044] The holder 110 may include a first hole 113. The first hole 113 may be a wire. 510 to avoid the portion of the substrate 120 that is to be bonded to the The first hole 113 can include a plurality of holes. The holder 110 may include a second hole 114. The second hole 114 is formed to avoid the sensor 520 bonding to the substrate 120. The second hole 114 may include a plurality of holes. 4 can include four holes.
[0045] The holder 110 may include a first groove 115. The first groove 115 may accommodate the wire 51. The first groove can be formed to avoid a portion of the substrate 120 that is to be bonded to the first groove. The first groove 115 may be formed on the side of the holder 110. The first groove 115 may be formed on each of both sides of the first groove 110. The first groove 115 can include two grooves. The holder 110 can include the second groove 1. The second groove 116 has a shape corresponding to the protrusion of the housing 600. The second groove 116 is formed so as to be able to fit with the protrusion of the housing 600. The second groove 116 may not be provided in a shape corresponding to the protrusion of the holder 110. The second groove 116 may be formed on each of the two side surfaces of the holder 110. The second groove 116 can include a plurality of grooves. The second groove 116 is two grooves on one side of the holder 110. On the other side, one groove may be formed in a form in which two grooves are connected. .
[0046] The camera device 10A may include a substrate 120. The substrate 120 may be attached to the holder 110. The substrate 120 can be placed on the lower surface of the holder 110. The upper surface of the substrate 120 can contact the lower surface of the holder 110. The substrate 120 can be placed under the printed circuit board 50. The substrate 120 can be connected to the wires 510. The substrate 120 is a rigid flexible printed circuit board (RFPCB). The substrate 120 may include first to fourth corners.
[0047] The substrate 120 may include a first hole 121. The first hole 121 may be formed by a metal layer 122. The first hole 121 may be a hollow hole. The first hole 121 may be an opening. The first hole 121 of the substrate 120 is a hole through which the module 210 can be placed. The hole 110 may be formed with a width larger than that of the hole 112.
[0048] The substrate 120 may include a bonding portion 122. The substrate 120 may be wired at the bonding portion 122. The substrate 120 and the wire 510 can be bonded together by soldering (s The connecting portion 122 can be connected to the wire 510 by electrical connection. The solder resist may be opened at the joint 122 to allow for electrical connection. The substrate 120 may have a second hole 123 formed therein. The second hole 123 is a wire-through hole through which the wire 510 passes. could be.
[0049] The substrate 120 may include a connector 124. The connector 124 may include a printed circuit The printed circuit board 50 may be electrically connected to the substrate 120. The connector 124 can be arranged on the outside. The device may include a port for electrical connection to an external device.
[0050] The substrate 120 may include a terminal 125. The terminal 125 may be formed on the bottom surface of the substrate 120. The terminal 125 can be electrically connected to the coil 310. The terminal 125 is connected to a pair of lead wires of the coil 310 by soldering or Ag epoxy. The terminal 125 can include multiple terminals. 5 may include eight terminals, two for each of the four coils.
[0051] The camera device 10A may include a lens module 210. 210 can be placed on the holder 110. The lens is 4. The lens module 210 can be arranged at a position corresponding to the lens module 4. The lens module 210 may include a single lens. The lens module 210 can include five lenses. The lens 210 may include first to fifth lenses 211, 212, 213, 214, and 215. The lens module 210 can include a barrel 216. The lenses can be , can be disposed within the barrel 216. The lens module 210 can be disposed within the hole 217. The hole 217 of the lens module 210 accommodates an optical module. The holes 217 in the lens module 210 can be placed between the lenses. The lens module 210 may be formed to penetrate horizontally. The optical axes of the lenses and the optical module can be aligned. The lens 217 may be formed between the second lens 212 and the third lens 213 .
[0052] The camera device 10A can include an optical module. The optical module can perform autofocus (AF) and OIS functions. The optical module can perform the functions of a plurality of lenses and an image sensor 444. The optical module can be arranged between the plurality of lenses. The optical module can be disposed between the second lens 212 and the third lens 213. It can be done.
[0053] The optical module may include a variable lens. The variable lens is a variable focus lens. The variable lens may be a lens whose focus is adjustable. It can be adjusted by moving the lens and / or changing the shape of the lens. The lenses are liquid lenses, polymer lenses, liquid crystal lenses, VCM (voice coil lenses), motor) actuator, SMA (shape memory alloy) actuator actuator and MEMS (micro electro mechanical system) At least one of the liquid lenses 68 may be included in the actuator 220. 7 is a liquid lens 687 containing one type of liquid and a liquid lens 687 containing two types of liquid. The liquid lens 687 containing one type of liquid is The focus can be changed by adjusting the membrane placed at the corresponding position. The electromagnetic force of the magnet and coil presses the membrane to change the focus. The liquid lens 687 containing two types of liquid can contain a conductive liquid and a non-conductive liquid. In this case, the voltage applied to the liquid lens 687 is used to separate the conductive liquid and the non-conductive liquid. The focal point can be changed by adjusting the interface formed by the conducting liquid. The focus can be changed by adjusting the polymer material with a driving unit such as a piezo. The lens can change its focus by controlling the liquid crystal with electromagnetic force. The actuator connects a solid lens or a lens assembly containing a solid lens to a magnet. The focus can be changed by moving the SMA actuator via the electromagnetic force between the actuator and the lens. The lens assembly is made of a solid lens or a lens assembly including a solid lens, using a shape memory alloy. The MEMS actuator 220 can move the lens to change the focus. The electrostatic force generated when a voltage is applied to a solid lens or a lens assembly containing a solid lens The optical module can be moved through the liquid lens 220 to change the focus. a and one or more of the MEMS actuators 220.
[0054] The barrel 216 may include a hole 217 that runs horizontally through the barrel 216. At this time, the variable lens is inserted into a hole 217 formed in the barrel 216. Meanwhile, the variable lens can be electrically connected to the printed circuit board 50. The variable lens may be electrically coupled to the printed circuit board 50 via a substrate.
[0055] As shown in FIG. 7, the camera device 10A includes a MEMS actuator 220. The MEMS actuator 220 uses a silicon wafer to form a moving lens. The zoom can be adjusted to perform autofocus and / or image stabilization functions.
[0056] The MEMS actuator 220 may be coupled to a substrate 221. The terminal 222 may include a terminal 222. The terminal 222 may include multiple terminals. The terminals 222 of the board 221 can include six terminals. 50 can be connected to the terminal 50a of the
[0057] Alternatively, as shown in FIG. 8, the camera device 10A may include a liquid lens 220a. The liquid lens 220a can be disposed in the lens module 210. The liquid lens 220a can be connected to the first substrate 221 and the second substrate 223. Each of the first substrate 221 and the second substrate 223 may include a terminal 222. 22 may be provided in four pieces on the first substrate 221 side and one piece on the second substrate 223 side. The four terminals 222 of the first substrate 221 are electrically connected to the four individual electrodes of the liquid lens 220a. The electrodes are connected to one terminal 222 of the second substrate 223, and one terminal 222 of the liquid lens 220a. The electrode may be electrically connected to the common electrode.
[0058] The liquid lens 220a, whose focal length is adjusted in response to the driving voltage, is driven via an upper terminal. The upper terminals can have the same distance from each other and can be connected to each other. It can contain four individual terminals arranged in different directions. When a voltage is applied, the interface between the conductive and non-conductive liquids formed in the lens area is deformed. The upper terminal may be an upper electrode. The lower terminal may be a lower electrode. The liquid lens 220a can be separated from the solid lens. Epoxy can be applied through the space between the lens 220a and the solid lens. Active alignment of the liquid lens 220a Applying a current to the liquid lens 220a after the epoxy is applied can be performed. The optical axis of the solid lens is aligned and the epoxy is temporarily cured. After that, the epoxy is fully cured and the liquid is Active alignment of the solid lens with the optical lens 220a can be performed.
[0059] The liquid lens 220a has one side receiving the operating voltage from the upper terminal and the other side receiving the operating voltage from the lower terminal. It can be explained as a plurality of capacitors connected to the terminals. The capacitors used are small, on the order of about 200 picofarads (pF). In this embodiment, the upper terminal of the liquid lens 220a is a separate terminal, and the lower terminal is a separate terminal. Alternatively, the top terminal of the liquid lens 220a may be a common terminal and the bottom terminal may be a common terminal. The upper and lower terminals can be separate terminals. The liquid lens 220a is connected to the upper and lower terminals. The interface formed between the conductive liquid and the non-conductive liquid can be deformed by the electric current. This allows one or more of the AF and OIS functions to be performed. .
[0060] The camera device 10A may include a coil 310. The coil 310 may be mounted on the substrate 120. The coil 310 can be electrically connected to the substrate 120. The coil 310 can be disposed to face the magnet 320. When a current is applied to the coil 310, an electric field can be formed around the coil 310. When a current is applied to the coil 310, the electromagnetic force between the coil 310 and the magnet 320 The interaction causes one of the coil 310 and the magnet 320 to move relative to the other. It is possible.
[0061] The coil 310 may include four coils. At least three of the four coils may be Current can be applied to the coils independently. In the first embodiment, the coil 310 is In a second embodiment, the control is performed by two channels. The coils 310 can be controlled by four channels. Each of the four coils 310 has a forward current and a reverse current. In this embodiment, three of the four coils are connected to the stator coil. Only one coil can be electrically connected to another coil. Or, all four coils can be electrically isolated. When electrically separating, three pairs of wires (six in total) come out from the coil 310, and four When both coils are electrically separated, four pairs of wires (8 in total) come out from the coil 310. It is possible.
[0062] As in the first embodiment of this embodiment, when four coils are controlled with three channels, the center of the z axis Rotational drive requires a pair of coil 310 and magnet 320. As shown in the example, when controlling four coils with four channels, coil 3 is rotated around the z-axis. The magnet 320 can be driven by two pairs of the magnet 10 and the magnet 320.
[0063] The coil 310 may include first to fourth coils 311, 312, 313, and 314. The first coil 311 can be disposed so as to face the first magnet 321. The second coil 312 can be disposed so as to face the second magnet 322. The third coil 313 can be disposed so as to face the third magnet 323. The fourth coil 314 can be disposed so as to face the fourth magnet 324. The first coil 311 can be disposed at a first corner of the substrate 120. The coil 312 can be disposed at a second corner of the substrate 120. The fourth coil 314 can be disposed at a third corner of the substrate 120. The first coil 311 and the third coil 313 can be arranged at the fourth corner of the 120. are arranged in the first diagonal direction of the substrate 120, and the second coil 312 and the fourth coil 314 are , may be disposed on the second diagonal of the substrate 120.
[0064] In this embodiment, the first coil 311 and the third coil 313 are arranged long in the first direction. The second coil 312 and the fourth coil 314 may be arranged long in the second direction. The first and second directions may be perpendicular to each other. The long sides of the second coil 312 and the long sides of the first coil 313 may be arranged parallel to each other. The long sides of the first coil 314 may be arranged parallel to each other. The long side of the coil 11 and the long side of the second coil 312 can be arranged so as not to be parallel to each other. At this time, the long sides of the first coil 311 and the long sides of the second coil 312 are arranged such that their virtual extension lines are parallel to each other. The first coil 311 and the second coil 312 can be arranged perpendicular to each other. The arrangement directions of the coils 12 can be orthogonal. The long side of the coil is long at the periphery of the coil. The short side of a coil means the short side of the coil's circumference. The corner where the long and short sides meet is called the la The conductor can be formed to surround the conductor.
[0065] The first coil 311 may be arranged in a different direction from the second coil 312. The coil 311 may be arranged in the same direction as the third coil 313. 12 can be arranged in the same direction as the fourth coil 314.
[0066] In this embodiment, at least three of the first to fourth coils 311, 312, 313, and 314 Currents can be applied to the coils independently. 2, 313, and 314 can be electrically isolated from each other.
[0067] The camera device 10A can include a magnet 320. The magnet 320 can be The magnets 320 can be placed at the corners of the base 410. The magnets 320 are arranged at the four corners of the base 410. The magnet 320 can be placed opposite the coil 310. The magnet 320 can electromagnetically interact with the coil 310. 0 can move due to electromagnetic interaction with coil 310. When a current is applied to the magnet 320, the magnet 320 can move. The magnet 0 may be a flat magnet having a flat plate shape. In this case, the coil 310 is fixed and the magnet 320 can move. In an example, the coil 310 and the magnet 320 can be arranged oppositely.
[0068] The magnet 320 can include multiple magnets. The magnet 320 includes first to fourth magnets 32 The first magnet 321 may include a first coil 322, a first coil 323, and a second coil 324. The first magnet 321 can face the first corner of the base 410. The second magnet 322 can be disposed at 410e. The second magnet 322 faces the second coil 312. The second magnet 322 is disposed at the second corner 410f of the base 410. The third magnet 323 can be placed opposite the third coil 313. The third magnet 323 can be disposed at a third corner 410g of the base 410. The fourth magnet 324 can face the fourth coil 314. The magnet 324 can be disposed at a fourth corner 410h of the base 410. Each of the magnets is arranged diagonally, perpendicular to the adjacent magnets. The magnet can be arranged parallel to the magnet.
[0069] The polarity of the surface of the first magnet 321 facing the coil 310 is closer to the first side surface 410a. The portion closer to the second side surface 410b and the portion closer to the second side surface 410b may be different from each other. The polarity of the surface facing the coil 310 of the second coil 310 is the same as that of the portion near the third side surface 410c and the portion near the fourth side surface 410c. The portions close to d can be different from each other. The polarity of the facing surface is such that the portion close to the first side surface 410a and the portion close to the second side surface 410b are opposite each other. The polarity of the surface of the fourth magnet 324 facing the coil 310 can be different from that of the first magnet 324. The portion close to the third side surface 410c and the portion close to the fourth side surface 410d may be different from each other. That is, the first magnet 321 and the third magnet 323 are arranged in the same direction, and the second The first magnet 322 and the fourth magnet 324 may be arranged in the same direction. The magnet 321 may be arranged perpendicular to the second magnet 322. The polarities of the fourth magnets 321, 322, 323, and 324 are the same on the inner sides. The polarities of the first to fourth magnets 321, 322, 323, and 324 may be set to the outermost portions. The first to fourth magnets 321, 322, 323, 324 may have the same components. The polarity of each of the first to fourth magnets may be formed such that the inner portion is a north pole. The polarity of each of 321, 322, 323, and 324 is such that the outer part is formed as a south pole. However, in a modified example, each of the first to fourth magnets 321, 322, 323, and 324 can be The polarity of each can be formed such that the inner part is a south pole and the outer part is a north pole. do.
[0070] As shown in FIG. 14, in this embodiment, the second coil 312 and the fourth coil 314 are arranged in the same direction. When the current is applied, the second magnet 322 and the fourth magnet 324 are electromagnetically coupled. The interaction causes the image sensor 444 coupled to the base 410 to move in the x-axis direction ( That is, the second coil 312, the second magnet 322, and the fourth coil 314 The fourth magnet 324 is used to shift the image sensor 444 in the x-axis direction. At this time, the second coil 312 and the second magnet 322 are connected to the first x-axis shift driver. The fourth coil 314 and the fourth magnet 324 are the second x-axis shift driver (X2). It can be part (X1).
[0071] As shown in FIG. 15, in this embodiment, the first coil 311 and the third coil 313 are arranged in the same direction. When the current is applied, the first magnet 321 and the third magnet 323 are electromagnetically coupled. The interaction causes the image sensor 444 coupled to the base 410 to move in the y-axis direction. That is, the first coil 311, the first magnet 321, and the third coil 31 The third magnet 323 is used to shift the image sensor 444 in the y-axis direction. At this time, the first coil 311 and the first magnet 321 are shifted by the first y-axis. The third coil 313 and the third magnet 323 are the second y-axis shift driver. It may be part (Y2).
[0072] As shown in FIG. 16, in this embodiment, the first coil 311 and the third coil 313 are provided with oppositely oriented coils. A current is applied to the second coil 312 and the fourth coil 314 in the opposite direction, At this time, the current applied to the first coil 311 and the current applied to the second coil 312 If the magnet 320 rotates in the same direction, the image sensor coupled to the base 410 The sensor 444 can rotate (roll) around the z-axis. The embodiment shown in FIG. 16 illustrates a case where the coil 310 is controlled by four channels. If the coil 310 is controlled by three channels, the first coil 311 and the second coil 312 are connected to the same coil. 3 coil 313 or the second coil 312 and the fourth coil 314 to the image sensor 4 The first coil 311, the third coil 313 and the second coil 44 can be rolled. If there is a coil bound to one channel between the fourth coil 312 and the fourth coil 314, This is because current cannot be applied.
[0073] As shown in FIG. 17(b), in this embodiment, a forward current is applied to the first coil 311. As a result, the first coil 311 rotates the first magnet 321 in a first direction (see FIG. 17a). A forward current is applied to the second coil 312, thereby 2 pushes the second magnet 322 in the second direction (see FIG. 17b) and the third coil 31 3, a reverse current is applied to the third coil 313, which causes the third magnet 323 to 3 directions (see FIG. 17c), and a reverse current is applied to the fourth coil 314, As a result, the fourth coil 314 pushes the fourth magnet 324 in a fourth direction (see d in FIG. 17). By doing so, the image sensor 444 coupled to the base 410 rotates around the z-axis. At this time, the first to fourth directions are based on the center of the base 410. can be handled clockwise.
[0074] In this embodiment, the magnetic flow of the magnet 320 is as shown in FIG. 18. Referring to FIG. 18, a magnetic field passing perpendicular to the coil 310 It can be confirmed that the magnetic field lines exist, and in this state, a current is applied to the coil 310. When the magnet is turned on, the Lorentz force acts on the coil 310. It can be moved against 320.
[0075] The camera device 10A may include a base 410. The base 410 may include a holder 1 The base 410 can be arranged apart from the coil 310. When the magnet 320 is attached, it is a part that moves together with the magnet 320 and can be a mover. Additionally, the base 410 is equipped with a sensor PCB holder. The base 410 can be shifted in the x-axis direction. The base 410 can be shifted in the y-axis direction. The base 410 can rotate around the z-axis (optical axis).
[0076] The base 410 may include a first hole 411. The first hole 411 may be a hollow hole. The first hole 411 may be an opening.
[0077] The base 410 may include a groove 412. The groove 412 may be formed in the top surface of the base 410. The groove 412 can accommodate at least a portion of the magnet 320. The magnet 320 can be disposed in the groove 412 of the base 410. The groove 412 may be formed in a shape corresponding to the magnet 320. The depth of the magnet 320 may be smaller than the thickness of the magnet 320 in the corresponding direction. A portion of the magnet 320 disposed in the groove 412 can protrude from the base 410. The groove 412 may include a plurality of grooves. The groove 412 may have a number of grooves depending on the number of magnets 320. The grooves 412 may include four grooves.
[0078] The base 410 may include a second hole 413. The second hole 413 may The second hole 413 may be formed through the second hole 410 in a direction parallel to the optical axis. The wire 510 can be placed through the second hole 413. The second hole 413 can include multiple holes. The number of the second holes 41 may correspond to the number of the wires 510. 3 can contain 24 holes.
[0079] The base 410 may include a first protrusion 414. The first protrusion 414 may be formed on the base 410. The first protrusion 414 may be formed on the bottom surface of the first hole 4 of the reinforcing member 420. 21 can be inserted into the hole 431-1 of the terminal part 430. The first protrusion 414 The shape corresponds to the first hole 421 of the reinforcing member 420 and the hole 431-1 of the terminal portion 430. The first protrusion 414 may include a plurality of protrusions. The protrusion 414 may include four protrusions. The four protrusions are connected to the four corners of the base 410. The nozzles can be formed individually.
[0080] The base 410 may include a second protrusion 415. The second protrusion 415 may be formed on the base 410. The second protrusion 415 may be formed on the bottom surface of the first protrusion 414. The second protrusion 415 can extend from the side of the base 410. The lower surface of the image sensor module 440 is located lower than the lower surface of the reinforcing plate 445 of the image sensor module 440. The second protrusion 415 can include a plurality of protrusions. The base 410 may include four protrusions, each of which is located at one of the four corners of the base 410. can be formed one after another.
[0081] The base 410 may include a guide protrusion 416. The guide protrusion 416 may The guide protrusion 416 may be formed on the bottom surface of the image sensor module 410. The guide protrusion 416 can guide the assembly position of the image sensor 440. The guide protrusion 416 can contact the cover 441 of the sensor module 440. The cover 441 of the image sensor module 440 can be in contact with four sides. .
[0082] The base 410 may include multiple sides. The base 410 may include four sides. The base 410 has first to fourth side surfaces 410a, 410b, 410c, The base 410 may include first side surfaces 410A and 410B disposed opposite each other. and a second side surface 410b, and a side surface opposite to each other between the first side surface 410a and the second side surface 410b. The second side 410c and the fourth side 410d may be disposed at the first side 410a and the second side 410b.
[0083] The base 410 may include corners formed between multiple sides. The base 410 may include four corners. The base 410 has first to fourth corners 410e, 410f, 410g, The first corner 410e of the base 410 may include a first side 410a. and the third side surface 410c. The base 410f can be disposed between the third side surface 410c and the second side surface 410b. The third corner 410g of 410 is disposed between the second side surface 410b and the fourth side surface 410d. The fourth corner 410h of the base 410 is connected to the fourth side surface 410d and the first side surface 410e. It can be disposed between the surface 410a.
[0084] The camera device 10A may include a reinforcing member 420. The reinforcing member 420 may be a suspension ( The reinforcing member 420 can be made of stainless steel. The reinforcing member 420 can be coupled to the terminal portion 430. The reinforcing member 420 can be The reinforcing member 420 may be bonded to the terminal portion 430 by an adhesive. It can be placed on the underside of 0.
[0085] The reinforcing member 420 may include a first hole 421. The first hole 421 may be formed by The reinforcing member 420 can be coupled to the first protrusion 414 of the base 410. 2. The second hole 422 may be coated with adhesive. The hole 422 may be formed in the protruding portion of the reinforcing member 420. The second hole 422 can include multiple holes. Two on each corner for a total of eight, and two on each protruding part for a total of 16. can.
[0086] The reinforcing member 420 may include a protrusion 423. The protrusion 423 may The protrusion 423 may be formed to protrude inward at the corner of the first hole 42. The protrusion 423 has a first hole 421. can be formed.
[0087] The camera device 10A may include a terminal section 430. The terminal section 430 is connected to the base 41. The terminal portion 430 may be connected to the reinforcing member 420. The terminal unit 430 can be coupled to the image sensor module 440.
[0088] The terminal portion 430 may include a substrate 431. The substrate 431 is attached to the lower surface of the base 410. The substrate 431 can be bonded to the stiffener 420. 431 can be coupled to an image sensor module 440. The substrate 431 The hole 431-1 may include a first projection 431-1. The hole 431-1 may be formed by 14. The substrate 431 may include a protrusion 431-2. The protrusions 431-2 may be formed to protrude inward from the corners of the substrate 431. The protrusion 431-2 ensures a space in which the hole 431-1 is formed. A hole 431-1 can be formed in 431-2.
[0089] The terminal section 430 may include a terminal 432. The terminal 432 may be connected to the image sensor 4 The terminal 432 may be electrically connected to the terminal 44. Terminals 432 may include a total of 24 terminals.
[0090] The terminal 432 is connected to a first coupling portion 432-1 disposed on the substrate 431 and a wire 510. a second coupling portion 432-2 that couples the first coupling portion 432-1 and the second coupling portion 432-2; The second coupling portion 432-2 includes a connecting portion 432-3 through which the wire 510 is connected. The second coupling part 432-2 may have a hole formed therethrough. The connection portion 432-3 can be connected by soldering. The connecting portion 432-3 can be folded multiple times. The connection portion 432-3 may have elasticity. The terminal 432 may have elasticity. do.
[0091] The camera device 10A can include an image sensor module 440. The image sensor module 440 can be coupled to the base 410. The image sensor module 440 can be fixed to the base 410. The image sensor module 440 can move together with the base 410. The box 440 includes a cover 441, a filter 442, a substrate 443, and an image sensor 444. and a reinforcing plate 445. However, the cover of the image sensor module 440 -441, filter 442, substrate 443, image sensor 444 and reinforcing plate 445 Any one or more may be omitted.
[0092] The image sensor module 440 may include a cover 441. 1 can cover the filter 442 and the image sensor 444. The cover 441 The cover 441 may include a top plate portion and a side wall portion. The cover 441 may include a hole 441a. The hole 441a can be a hollow hole. The hole 441a can be an opening. The cover 441 may include a protrusion 441b. The protrusion 441b may The protrusion 441b can protrude from the lower surface of the cover 441. The hole 443 b can be inserted into the hole 445 a of the reinforcing plate 445 .
[0093] The image sensor module 440 may include a filter 442. The filter 442 detects light of a specific frequency band passing through the lens module 210 as an image sensor. The filter 442 can serve to block the x The filter 442 can be arranged parallel to the -y plane. The filter 44 may be disposed between the filter 210 and the image sensor 444. 2 can be disposed between the cover 441 and the substrate 443. In a variant, the filter The filter 442 can be placed in the hole 441a of the cover 441. 2 may include an infrared filter. It can absorb or reflect incident infrared radiation.
[0094] The image sensor module 440 may include a substrate 443. The substrate 443 may include , may be an 'image sensor substrate' on which the image sensor 444 is disposed. 3 includes a printed circuit board (PCB). The substrate 443 can include a circuit board. The substrate 443 can be connected to the terminal portion 430. The substrate 443 has a first hole 444 having a shape and size corresponding to the image sensor 444. The substrate 443 may include an image sensor 444 in the first hole 443a. 4 can be inserted and disposed. The substrate 443 can include a second hole 443b. The protrusion 441b of the cover 441 is inserted into the second hole 443b of the substrate 443. The substrate 443 may include a terminal 443c. c can be disposed on each of the four side edges on the underside of the substrate 443. The terminal 443c may be connected to the terminal 432 of the terminal unit 430. The substrate 443 The grooves 443d of the substrate 443 are formed at the four corners of the substrate 443. The groove 443d of the substrate 443 allows the first The protrusion 414 can be avoided.
[0095] The image sensor module 440 may include an image sensor 444 . The image sensor 444 can be coupled to the base 410. 44 can move together with the base 410. However, the image sensor 444 The substrate 443, which is not directly bonded to the base 410 but has the image sensor 444 bonded thereto, is the base. In a variant, the image sensor 444 can be coupled to the base 410. The image sensor 444 is aligned with the optical module. The image sensor 444 passes through the lens and filter 442. The image sensor 444 may be configured such that the light incident thereon forms an image. The image sensor 444 can be mounted on a substrate 443. For example, the image sensor 444 may be surface mounted on the substrate 443. Surface Mounting Technology (SMT) In another example, the image sensor 444 can be flip-chip mounted on the substrate 443. It can be combined with flip chip technology. Image Sensor 444 The image sensor 4 can be arranged so that its optical axis coincides with that of the lens. The optical axis of the 44 and the optical axis of the lens can be aligned. The image sensor 444 converts the light incident on the effective image area of the image sensor 444 into an electrical signal. The image sensor 444 is a CCD (charge coupled ed device, charge-coupled device), MOS (metal oxide semi-c It can be any of CPD and CID.
[0096] In this embodiment, the image sensor 444 can rotate around the x-axis, y-axis, and z-axis. The image sensor 444 can move around the x-axis, y-axis, and z-axis. The image sensor 444 can be tilted about the x-axis, y-axis, and z-axis.
[0097] The image sensor module 440 may include a stiffening plate 445. The reinforcing plate 445 may be disposed on the underside of the image sensor 444 and the substrate 443. The reinforcing plate 445 may be made of stainless steel. The reinforcing plate 445 can reinforce the substrate 443. The reinforcing plate 445 includes a hole 445a. The hole 445a can be coupled with the protrusion 441b of the cover 441. The reinforcing plate 445 may include grooves 445b. The grooves 445b are formed by connecting the four The grooves 445b can be formed at each corner of the reinforcing plate 445. It can be formed by being depressed to the side.
[0098] The camera device 10A may include a wire 510. The wire 510 may be connected to the substrate 1. 20 and the terminal portion 430. The wire 510 has elasticity. The wire 510 may be an elastic member. The wire 510 may be a wire spring. The wire 510 can be made of metal. The wire 510 may be electrically connected to the image sensor 444. One end of the wire 510 can be used as the conductive line 444. 0, and the other end of the wire 510 can be coupled to the terminal 432. The ears 510 can elastically support the movement of the base 410 .
[0099] The wire 510 may include multiple wires. The number of wires may correspond to the number of terminals of the sensor 444. The yard has 24 wires in total, six between adjacent corners of the base. may include:
[0100] The camera device 10A can include a sensor 520. The sensor 520 can be mounted on a substrate 1 The sensor 520 may be a Hall sensor. The sensor 520 can detect the magnetic force of the magnet 320. The magnetic force of the magnet 320 detected by the sensor 520 causes the sensor 44 4 movement can be grasped in real time. This allows OIS feedback (Feedback) control becomes possible.
[0101] The sensor 520 may include multiple sensors. The sensor 520 may include three sensors. The three sensors can be used to move the image sensor 444 in the x-axis direction. The sensor 520 can sense the movement in the y-axis direction and the rotation around the z-axis. The first sensor faces the first magnet 321. The second sensor faces the second magnet 322, and the third sensor faces the third magnet 323. It can face the slot 323.
[0102] The sensor 520 detects the amount of movement and / or displacement of the magnet 320 in the x-axis direction. The sensor 520 may include a Hall sensor. A second Hall sensor may be included to sense the amount of movement and / or displacement. 20 is the x-axis movement and / or displacement or y-axis movement of the magnet 320 and / or a third Hall sensor for detecting displacement. Magnet 32 is connected via at least two of the second and third hall sensors. The rotation of 0 around the z-axis can be sensed.
[0103] The camera device 10A may include a housing 600. The housing 600 may include a The housing 600 can be coupled to the holder 110. The housing 600 and the holder 110 can provide more space inside. The housing 600 can form the exterior of the laser device 10A. The housing 600 can accommodate components such as the magnet 320, the A shield can may be included.
[0104] The housing 600 can include a sidewall 610. The sidewall 610 can include multiple sidewalls. The side wall 610 may include four side walls. The housing 600 may include: The lower portion 620 may include a lower portion 620. The lower portion 620 may extend inward from the lower end of the side wall 610. The lower portion 620 may include a hole. The lower surface of the housing 600 may be separately The lower plate 630 can be formed by a lower plate 630 of one configuration of the housing 600. Alternatively, it can be understood as a separate component. 20 includes a groove 631 that mates with a protrusion 622 that protrudes from the underside of the plate 20.
[0105] The camera device 10A is a printed circuit board (PCB). The printed circuit board 50 may include a printed circuit board 50 electrically connected to the coil 310. The printed circuit board 50 can be connected to the terminals 222 of the MEMS actuator 220. The printed circuit board 50 may include a terminal 50a for coupling to the lens module 210. The hole may include a hole through which the
[0106] The camera device 10A can include a connector 90. The connector 90 can be connected to a printing circuit. The connector 90 can be electrically connected to the circuit board 50. It may include a port for connection.
[0107] The camera device 10A may include a motion sensor. , can be mounted on a printed circuit board 50. The motion sensor The motor may be electrically connected to the control unit through a circuit pattern provided in the motor. The motion sensor can output rotational angular velocity information according to the movement of the camera device 10A. The motion sensor is a 2-axis gyro sensor, a 3-axis gyro sensor, The sensor may include at least one of a gyro sensor and an angular velocity sensor.
[0108] The camera device 10A may include a control unit. The control unit may be disposed on a printed circuit board 50. The control unit may be electrically connected to the coil 310. The section 311 controls the direction and strength of the current supplied to the first to fourth coils 311, 312, 313, and 314. The control unit can individually control the voltage and amplitude of the voltage applied to the coil 310. The current applied to the MEMS actuator 220 or the liquid lens 220a is controlled by the This allows for autofocus and / or image stabilization. The control unit is configured to perform autofocus feedback control and / or image stabilization feedback control. It can be controlled.
[0109] The camera device 10A according to this embodiment can be used as a mobile camera. That is, it can be distinguished from a camera device for digital camera applications. When miniaturizing for laser application, the driving force of the VCM decreases relatively, so the three operations ( To achieve X-Shift, Y-Shift, Z-Rotation (Roll) However, there is a problem in that the current consumption increases.
[0110] Magnets 320 and coils 310 are rotated 90 degrees at each corner of the base 410. The magnet 320 and the coil 310 positioned diagonally opposite each other are assembled in the same direction. In this case, when the image sensor 444 is shift-driven, the row When the z-axis is rotated, two pairs of torques are generated with forces in opposite directions. This can be done.
[0111] In this embodiment, the four coils located at the corners have independent current inputs. If necessary, the power terminal of the coil 310 is separated into four channels. That is, this embodiment can have a system that controls the same magnetic flux direction magnet. It can include a diagonal arrangement structure and four coil individual current input structure.
[0112] This embodiment can include two pairs of torque generating structures (increasing rotational moment). The structure generates a torque of X, which can generate a higher rotational moment than conventional models. -Three modes of operation: Shift, Y-Shift, Z-Rotation (Roll) This reduces the total current consumption.
[0113] The simulation results for the camera device according to this embodiment are , as follows: Rotation moment = torque * torque distance = (electromagnetic force * input current When the distance between the centers of the magnets 320 is 1 / 3, the center of the camera device 10A according to this embodiment is When 50mA is applied to Ill 310 as an input current, the It was confirmed that a rotational moment of 2.14mm x 2 = 114.1mN.mm was generated. .
[0114] In this embodiment, image stabilization for the image sensor 444 and image stabilization for the corresponding lens are performed. As an example, the MEMS actuator 22 When image stabilization is performed using only the liquid lens 220a, the image obtained by the image sensor 444 Positive (+) distortion can occur at the edges of the image being scanned. When image stabilization is performed by moving only the image sensor 444, the image obtained by the image sensor 444 is In this example, negative (-) distortion may occur at the edge of the image. Image stabilization for the sensor 444 and the MEMS actuator 220 or liquid lens 220 Combined with image stabilization, distortion at the edges of the image is minimized. In this embodiment, the liquid lens 220a is used to The lens performs image stabilization and the image sensor 444 is moved accordingly. This allows the lens and image sensor 444 to move together. However, this embodiment can provide a level of image stabilization equivalent to the module movement method. In the embodiment, the MEMS actuator 220 or the liquid lens 220a also performs the AF function. It is also possible to provide only the image sensor 444 and perform the OIS function by moving the image sensor 444.
[0115] The optical device according to this embodiment will be described below with reference to the drawings.
[0116] FIG. 19 is a perspective view of the optical device according to this embodiment, and FIG. 20 is a perspective view of the optical device shown in FIG. FIG.
[0117] The optical device 10B is a mobile phone, a smartphone, a portable smartphone, Smart devices, digital cameras, notebook computers er), digital broadcasting terminals, PDAs (Personal Digital Assistants) tants), PMP (Portable Multimedia Player) and However, the type of the optical device 10B is not limited to this. Any device for taking video or photographs can be included in the optical instrument 10B. .
[0118] The optical device 10B may include a body 850. The body 850 may be in the form of a bar. Alternatively, the main body 850 may have two or more sub-bodies that can move relative to each other. Slide type, folder type, swing type, swivel type The main body 850 may have various structures such as a swivel type. For example, the main body 850 may include a front case. The front case 851 and the rear case 852 may be included. The space formed between the optical device 10B and the optical element 852 may house various electronic components. A display 751 can be arranged on one side of the main body 850. At least one of the surfaces of the camera 721 and the other surface disposed on the opposite side of the surface 50 is provided with a camera 721. can be arranged.
[0119] The optical device 10B can include a wireless communication unit 710. The wireless communication unit 710 can Between the device 10B and the wireless communication system or between the optical device 10B and the optical device 10B It may include one or more modules that enable wireless communication with the network. For example, the wireless communication unit 710 includes a broadcast receiving module 711, a mobile communication module 712, Wireless Internet module 713, short-range communication module 714 and location information module It may contain one or more of the following rules:
[0120] The optical device 10B may include an A / V input section 720. The video input section 720 is for inputting an audio signal or a video signal. The camera 72 may include one or more of the camera 721 and the microphone 722. 1 can include a camera device 10A according to this embodiment.
[0121] The optical device 10B may include a sensing unit 740. The sensing unit 740 The open / closed state of the optical device 10B, the position of the optical device 10B, whether or not the user is touching the optical device 10B, The current state of the optical device 10B, such as the orientation, acceleration / deceleration of the optical device 10B, etc., is sensed, and the optical A sensing signal for controlling the operation of the educational device 10B can be generated. For example, When the optical device 10B is in the form of a slide phone, it is possible to detect whether the slide phone is open or closed. Furthermore, it is possible to control whether the power supply unit 790 supplies power, and The base unit 770 may be responsible for sensing whether or not an external device is connected. do.
[0122] The optical device 10B can include an input / output section 750. The input / output section 750 can be used to , auditory, or tactile related input or output. The input unit 750 can generate input data for controlling the operation of the optical device 10B. It is also possible to output information to be processed by the optical device 10B.
[0123] The input / output section 750 includes a keypad section 730, a display 751, and an audio output module. 752 and a touch screen panel 753. The keypad unit 730 can generate input data by keypad input. The display 751 can output the image captured by the camera 721. Ray 751 can include multiple pixels whose color changes depending on the electrical signal. For example, the display 751 is a liquid crystal display. thin film transistor liquid crystal display (thin film transis tor-liquid crystal display), organic light-emitting diode (or , flexible display (flexible display), 3D display The audio output module 752 may include at least one of the following: ) signal reception, call mode, recording mode, voice recognition mode, or broadcast reception mode, The audio data received from the wireless communication unit 710 is output and stored in the memory unit 760. The touch screen panel 753 can output the stored audio data. Changes in capacitance caused by a user touching a specific area of the touchscreen can be converted into an electrical input signal.
[0124] The optical device 10B can include a memory unit 760. The memory unit 760 can store control A program for processing and controlling the control unit 780 can be stored. The memory unit 760 receives and stores input / output data, such as a telephone directory, a message, audio, and a static image. The memory unit 760 can store one or more of still images, photos, and videos. can store images taken by the camera 721, such as photos or videos. can.
[0125] The optical device 10B may include an interface section 770. The part 770 serves as a passage for connecting the optical device 10B to an external device. The interface unit 770 receives data from an external device and receives power. The data in the optical device 10B is transmitted to each component in the optical device 10B, and the data in the optical device 10B is transmitted to an external device. The interface unit 770 can be configured to transmit the signal to a wired / wireless headset. port, external charger port, wired / wireless data port, memory card card) port, a port for connecting a device equipped with an identification module, audio I / O (Input / Output) port, Video I / O (Input / Output) The device may include one or more of a power port, a power adapter port, and an earphone port.
[0126] The optical device 10B may include a controller 780. , 780) can control the overall operation of the optical device 10B. , and can perform related control and processing for voice calls, data communications, video calls, etc. The control unit 780 includes a multimedia module 781 for multimedia playback. The multimedia module 781 may be provided in the control unit 180. Alternatively, it may be provided separately from the control unit 780. The control unit 780 may be a touch screen. A panel that can recognize written or drawn input on the screen as characters and images. Turn recognition processing can be performed.
[0127] The optical device 10B may include a power supply unit 790. The power supply unit 790 is configured to control The operation of each component is controlled by the external power supply or the internal power supply. It can supply the power required for operation.
[0128] The embodiments of the present invention have been described above with reference to the accompanying drawings. A person skilled in the art would understand that the present invention is different from the present invention without changing its technical idea or essential features. It should be understood that the present invention can be embodied in various specific forms. It should be understood that the described embodiments are illustrative in all respects and not restrictive. It must be.
Claims
1. a first substrate; a second substrate spaced apart from the first substrate; a wire supporting the second substrate so that the second substrate can move relative to the first substrate; an image sensor and an infrared filter that move with the second substrate; and A magnet and a coil are included to move the image sensor, The magnet includes first to third magnets spaced apart from each other, the coils include a first coil facing the first magnet, a second coil facing the second magnet, and a third coil facing the third magnet; The wires are arranged in a vertical direction, The wire is overlapped with the infrared filter in a direction perpendicular to the optical axis of the image sensor.
2. The wire is arranged parallel to the optical axis, 2. The camera device according to claim 1, wherein the image sensor is rotated about the optical axis by interactions between the first to third magnets and the first to third coils.
3. a terminal including a second coupling portion coupled to the wire and a connecting portion connected to the second coupling portion; The camera device according to claim 1 , wherein the connecting portion includes a bent portion and has elasticity.
4. a holder assembly including the first substrate; and a base assembly including the second substrate; The upper end of the wire is coupled to the holder assembly, The camera device of claim 1 , wherein a lower end of the wire is coupled to the base assembly.
5. 10. The camera assembly of claim 1, including a VCM actuator that performs an autofocus function.
6. The camera assembly of claim 1 , further comprising a stiffening plate that moves with the image sensor.
7. The camera device of claim 6 , wherein the image sensor is directly coupled to the upper surface of the stiffener plate.
8. the second substrate includes a hole; The camera device according to claim 7 , wherein at least a portion of the image sensor is disposed within the hole in the second substrate.
9. Lenses; and a cover disposed on the second substrate; The camera device of claim 8 , wherein the infrared filter is disposed in an optical path between the lens and the image sensor.
10. the top surface of the second substrate includes first to fourth corner regions; The camera device according to claim 1 , wherein the first coil is disposed in the first corner region.
11. 2. The camera device according to claim 1, wherein the first to third coils are electrically isolated from each other.
12. The camera device of claim 1 , wherein the wire is electrically connected to the image sensor.
13. the third coil and the third magnet move the image sensor in a first direction perpendicular to the optical axis; The camera device of claim 1 , wherein the second coil and the second magnet move the image sensor in a second direction perpendicular to both the optical axis and the first direction.
14. The camera device of claim 13 , wherein the third coil does not overlap with the first coil in the first direction.
15. The camera device of claim 13 , wherein the second coil overlaps with the first coil in the second direction.
16. The magnets include a fourth magnet spaced apart from the first to third magnets, the coil includes a fourth coil facing the fourth magnet, the first and third coils move or rotate the image sensor in a first direction; the second and fourth coils move or rotate the image sensor in a second direction perpendicular to the first direction; the first coil is not overlapped with a virtual region extending from the third coil in the first direction and a virtual region extending in the second direction; The camera device according to claim 1 , wherein the second coil is not overlapped with a virtual region extending from the fourth coil in the first direction and a virtual region extending in the second direction.
17. A fixing portion including the first substrate; and a moving part including the second substrate; The upper end of the wire is fixed to the fixing portion, The camera device according to claim 1 , wherein a lower end of the wire is fixed to the moving part.
18. a first substrate; a second substrate disposed movably relative to the first substrate and spaced apart in the vertical direction; an image sensor and an infrared filter that move with the second substrate; the wires arranged in the vertical direction; and A magnet and a coil are included to move the image sensor, The magnet includes first to third magnets spaced apart from each other, the coils include a first coil facing the first magnet in a direction parallel to an optical axis of the image sensor, a second coil facing the second magnet in a direction parallel to the optical axis, and a third coil facing the third magnet in a direction parallel to the optical axis, the image sensor is rotated about the optical axis by interactions between the first magnet and the first coil and between the third magnet and the third coil; A camera device, wherein the wire is overlapped with the infrared filter in a direction perpendicular to the optical axis.
19. the third coil and the third magnet move the image sensor in a first direction perpendicular to the optical axis; 20. The camera device of claim 18, wherein the second coil and the second magnet move the image sensor in a second direction perpendicular to the optical axis and to all of the first directions.
20. Main body: The camera device according to any one of claims 1 to 19, which is disposed on the main body; and an optical instrument including a display disposed on the body and configured to output an image captured through the camera device;
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