# US 2014/0192260 A1 · Camera module > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0192260 A1 - Document ID: US20140192260A1 - Status: Published application - Kind: A1 - Application number: 14/203,263 - Filed: 2014-03-10 - Published: 2014-07-10 - Earliest claimed: 2011-10-31 - Assignees: LG Innotek Co., Ltd. - Applicants: LG Innotek Co., Ltd. - Inventors: Sangyun OH - Web page: https://patentgrep.com/patent/US20140192260A1 ## CPC - G02B 27/646: {compensating for small deviations, e.g. due to vibration or shake (movement of one or more optical elements for control of motion blur in cameras, projectors or printers G03B2205/0007; image stabilisation in cameras peculiar to the presence or use of an electronic image sensor H04N23/68)} - G02B 7/09: adapted for automatic focusing or varying magnification - G03B 5/00: Adjustment of optical system relative to image or object surface other than for focusing - G03B 13/36: Autofocus systems - H04N 23/51: Housings - H04N 23/55: Optical parts specially adapted for electronic image sensors; Mounting thereof - H04N 23/57: Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices - H04N 23/685: {performed by mechanical compensation} - G03B 2205/0007: Movement of one or more optical elements for control of motion blur - G03B 2205/0069: using electromagnetic actuators, e.g. voice coils - H04N 23/67: Focus control based on electronic image sensor signals - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract A camera module according to an embodiment of the present invention may include a first Printed Circuit Board (PCB) configured to have an image sensor mounted thereon; a housing unit disposed over the first PCB; a holder module spaced apart from a bottom surface within the housing unit at a specific interval and configured to have first coils wound on its outer circumferential face and to include at least lens therein; a second PCB combined with the bottom surface of the holder module; a third PCB disposed over the holder module; a plurality of wire springs each configured to have one end connected to the second PCB and the other end connected to the third PCB; and buffer units provided at the connection units of the wire springs and the third PCB and configured to surround the connection units of the wire springs and the third PCB. ## Claims ### Claim 1 An OIS (Optical Image Stabilization) unit, comprising: a housing unit including a first housing and a second housing arranged at an upper surface of the first housing and centrally formed with an opening; a holder module including an outer blade spaced apart from an inner floor surface of the first housing at a predetermined distance, and a bobbin arranged at an inner surface of the outer blade; a spring member arranged at the outer blade to support a movement of the bobbin to an optical axis; an autofocus driving unit including an autofocus coil arranged at a periphery of the bobbin, and a magnet that interacts with the autofocus coil; an OIS driving unit including a magnet and an OIS coil, the magnet and the OIS coil arranged on the housing unit and the holder module; a plurality of wires that support a movement of the holder module to a direction perpendicular to the optical axis by the OIS driving unit while being spaced apart from the first housing at a predetermined distance, and electrically connected to the autofocus coil through the spring member configured to provide a current to the autofocus coil; and a buffering unit formed by curving or bending the wires and arranged with an adhesive material. ### Claim 2 (depends on 1) The OIS unit of claim 1, wherein the magnet and the OIS coil interact by being discretely and oppositely arranged. ### Claim 3 (depends on 1) The OIS unit of claim 1, wherein two wires among the plurality of wires are electrically connected to the autofocus coil. ### Claim 4 (depends on 1) The OIS unit of claim 1, wherein each of the plurality of wires has a same length. ### Claim 5 (depends on 1) The OIS unit of claim 1, wherein the wire is formed with a metal material and with a thickness of 1˜100 μm. ### Claim 6 (depends on 1) The OIS unit of claim 1, wherein the adhesive material includes a material for elastic support by being adhered. ### Claim 7 (depends on 1) The OIS unit of claim 1, wherein at least one of both distal ends of the wires includes a surface processing unit. ### Claim 8 (depends on 1) The OIS unit of claim 1, wherein the buffering unit is formed by bending the wire at least twice. ### Claim 9 (depends on 1) The OIS unit of claim 1, wherein the buffering unit is formed near to the outer blade. ### Claim 10 (depends on 1) The OIS unit of claim 1, wherein the first housing is a base. ### Claim 11 (depends on 1) The OIS unit of claim 1, further comprising a hook protrusively formed from the first housing. ### Claim 12 (depends on 1) The OIS unit of claim 1, further comprising a first PCB configured to apply a current to the autofocus coil and the OIS coil. ### Claim 13 (depends on 12) The OIS unit of claim 12, wherein the first PCB includes a terminal configured to receive the current and the wires are electrically connected to the first PCB. ### Claim 14 (depends on 1) The OIS unit of claim 1, wherein the magnet is arranged on the housing unit and the OIS coil is arranged on the outer blade. ### Claim 15 A camera module, comprising an image sensor, a lens and an OIS (Optical Image Stabilization) unit, the OIS unit including, a housing unit including a first housing and a second housing arranged at an upper surface of the first housing and centrally formed with an opening, a holder module including an outer blade spaced apart from an inner floor surface of the first housing at a predetermined distance, and a bobbin arranged at an inner surface of the outer blade, a spring member arranged at the outer blade to support a movement of the bobbin to an optical axis, an autofocus driving unit including an autofocus coil arranged at a periphery of the bobbin, and a magnet that interacts with the autofocus coil, an OIS driving unit including a magnet and an OIS coil, the magnet and the OIS coil arranged on the housing unit and the holder module, a plurality of wires that support a movement of the holder module to a direction perpendicular to the optical axis by the OIS driving unit while being spaced apart from the first housing at a predetermined distance, and electrically connected to the autofocus coil through the spring member configured to provide a current to the autofocus coil, a buffering unit integrally formed at a partial section of each the wires of the plurality of wires and arranged with an adhesive material, and a first PCB (Printed Circuit Board) configured to apply a current to the autofocus coil and the OIS coil, wherein the lens is coupled to the bobbin, and wherein the camera module further comprises a second PCB, and the image sensor is arranged on the second PCB. ### Claim 16 (depends on 15) The camera module of claim 15, wherein the first PCB includes a terminal configured to receive the current, and wherein the first and second PCBs are electrically connected.