WO2017179943A1 - 카메라 모듈용 회로기판 고정 장치 및 카메라 모듈 - Google Patents
카메라 모듈용 회로기판 고정 장치 및 카메라 모듈 Download PDFInfo
- Publication number
- WO2017179943A1 WO2017179943A1 PCT/KR2017/004064 KR2017004064W WO2017179943A1 WO 2017179943 A1 WO2017179943 A1 WO 2017179943A1 KR 2017004064 W KR2017004064 W KR 2017004064W WO 2017179943 A1 WO2017179943 A1 WO 2017179943A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- fixing
- fixing part
- circuit board
- camera module
- Prior art date
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- 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
- G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/144—Stacked arrangements of planar printed circuit boards
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- 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
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
- G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0254—High voltage adaptations; Electrical insulation details; Overvoltage or electrostatic discharge protection ; Arrangements for regulating voltages or for using plural voltages
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0277—Bendability or stretchability details
- H05K1/028—Bending or folding regions of flexible printed circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/147—Structural association of two or more printed circuits at least one of the printed circuits being bent or folded, e.g. by using a flexible printed circuit
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/08—Waterproof bodies or housings
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- 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
- G03B2217/00—Details of cameras or camera bodies; Accessories therefor
- G03B2217/002—Details of arrangement of components in or on camera body
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/04—Assemblies of printed circuits
- H05K2201/042—Stacked spaced PCBs; Planar parts of folded flexible circuits having mounted components in between or spaced from each other
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10121—Optical component, e.g. opto-electronic component
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10151—Sensor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/20—Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
- H05K2201/2018—Presence of a frame in a printed circuit or printed circuit assembly
Definitions
- the present embodiment relates to a circuit board fixing device for a camera module and a camera module including the same.
- the present embodiment relates to a camera module having a structure capable of preventing image degradation due to static electricity and deterioration of electromagnetic stability (EMC).
- EMC electromagnetic stability
- a camera module mounted on a vehicle performs various additional functions in addition to a function of displaying an image. Accordingly, various elements are mounted in the camera module together with an image sensor. Accordingly, the size of a circuit board used in the camera module It is also increasing.
- the automotive camera module is coupled to the housing by the fastening screw
- the number of assembly processes by the fastening screw increases, the production cost by the fastening screw increases, and the component mounting area of the circuit board by the fastening screw decreases.
- the bending of the circuit board may occur due to the use of the circuit board and the screw fastening.
- the vehicle may be equipped with a camera module for various uses.
- a camera module for securing a rear view may be mounted at the rear of the car.
- the camera module may be used in the case of a car black box which is very useful for tracking the accident history and the cause of an accident.
- the camera module is used as a recognition device for clearly and easily grasp the situation of the blind spot that is difficult for the driver or passengers of the vehicle to see with the naked eye.
- the production and technology development of the automotive camera module is also increasing accordingly.
- the circuit board is firmly fixed inside the housing without using the fastening screw when the circuit board is fixed in the housing, thereby preventing an increase in the number of assembly processes, a reduction in production cost, and a reduction in the mounting area of components on the circuit board.
- a circuit board fixing device for a camera module which prevents warpage and a camera module including the same.
- the present embodiment relates to a camera module having a structure capable of preventing image degradation due to static electricity and deterioration of electromagnetic stability (EMC).
- EMC electromagnetic stability
- the circuit board fixing device for a camera module of this embodiment includes a base part; And a fixing unit including a first fixing part supporting one side of each of the plurality of substrates and a second fixing part supporting the other side opposite to one side of each of the plurality of substrates, wherein the first fixing part is the base part.
- a plurality of protrusions extending in a first direction from the base, and including a plurality of protrusions protruding in a direction perpendicular to the first direction to support one side of each of the plurality of substrates, wherein the second fixing part is formed from the base It may include a plurality of protrusions extending in one direction and supporting the other side of each of the plurality of substrates.
- the first fixing part may be disposed to extend from a mutually opposite corner portion of the base part, and the protrusions of the first fixing part may be formed by bending a part protruding from a side surface of the first fixing part.
- a pair of the first fixing parts may be disposed to face each other, and the protrusions of the first fixing parts may protrude into an inner space in which the substrate is mounted.
- the protruding length of the protrusions of the first fixing part may decrease as the distance from the base part increases.
- the second fixing parts are formed to extend in a first direction from the mutually parallel sides of the base part, and the protrusions of the second fixing parts protrude toward an internal space in which the substrate is mounted to support the other side of the substrate. Can be.
- the second fixing part may have a step formed between protrusions of the second fixing part.
- the first fixing part may have a first width
- the second fixing part may have a second width narrower than the first width
- the plurality of substrates may include a rigid circuit board in which a plurality of overlapping substrates are disposed to face each other up and down, and a flexible circuit board electrically connecting the rigid circuit boards to each other.
- the substrate may be provided with escape grooves having different sizes to prevent interference with at least some of the protrusions of the first fixing part.
- the camera module of the present embodiment includes: a fixing unit including a base part and a first fixing part supporting one side of each of the plurality of substrates and a second fixing part supporting the other side of each of the plurality of substrates; An image sensor mounted on a substrate disposed on the top of the substrates; A lens disposed on a path of light entering the image sensor; A lens barrel for fixing the lens; And a housing for accommodating the fixing unit, the image sensor, and the lens, wherein the first fixing part extends from the base part in a first direction and supports a side of the plurality of circuit boards in a first direction, respectively.
- a plurality of protrusions protruding in the direction perpendicular to the second fixing part, wherein the second fixing part includes a plurality of protrusions extending from the base in the first direction and in contact with the other side of the circuit board facing the one side. can do.
- the camera module of the present embodiment includes a lens unit; A hollow front body accommodating the lens unit in the inner space; A substrate unit disposed behind the front body and provided with a plurality of printed circuit boards; A first fence coupled to the substrate to space the plurality of printed circuit boards apart from each other in an optical axis direction; A second fence coupled to the first fence at the rear of the first fence; And a finger that electrically connects the substrate portion and the second fence.
- the plurality of printed circuit boards may include a first substrate disposed to face the lens unit; A third substrate spaced apart from the first substrate in an optical axis direction; And a second substrate disposed between the first substrate and the third substrate so as to be spaced apart from the first substrate and the third substrate, respectively.
- the finger may electrically connect the second fence and the third substrate.
- the finger may include a substrate coupling part coupled to the third substrate; And an elastic deformation part extending from the substrate coupling part and elastically deforming, wherein the second fence presses the elastic deformation part so that the second fence and the third substrate may be electrically connected to each other.
- the second fence may include a pressing part protruding toward the substrate to press the finger.
- the first fence has a body coupling portion coupled to the front body on one side, and the front body, the body coupling portion and the first substrate may be coupled to each other by a fastening mechanism.
- the first fence may include a first protrusion supporting one surface of the printed circuit board; And a second protrusion that supports the other surface of the printed circuit board.
- the second substrate and the third substrate may be coupled to the first fence by the first protrusion and the second protrusion and spaced apart in the optical axis direction.
- the second fence may be formed with a hook (hook) to be detachably coupled to the first fence, the first fence may be formed with a through portion to which the hook is coupled.
- the second fence may be electrically connected to the substrate to ground the substrate.
- the finger may be made of beryllium copper.
- the camera module of the present embodiment may further include a cable connection unit for connecting the substrate and the external cable.
- the cable connection part may include a first connection part coupled to the substrate part; And a second connector coupled to the first connector and the external cable.
- the camera module of the present embodiment includes a lens unit; A front body to which the lens unit is coupled; A first substrate disposed to face the lens unit; A third substrate spaced apart from the first substrate in an optical axis direction; A second substrate disposed between the first substrate and the third substrate so as to be spaced apart from the first substrate and the third substrate, respectively; A first fence coupled to the first substrate, the second substrate, and the third substrate to space the first substrate, the second substrate, and the third substrate from each other in an optical axis direction; A second fence coupled to the first fence; And a finger for electrically connecting the second fence and the third substrate, wherein the finger comprises: a substrate coupling part coupled to the third substrate; And an elastic deformation portion extending from the substrate coupling portion and elastically deforming, wherein the second fence and the third substrate are electrically connected to each other by pressing the elastic deformation portion.
- the circuit board fixing device for a camera module of the present embodiment and the camera module including the same secure the circuit board in the housing without using fastening screws when fixing the circuit board in the housing, thereby preventing an increase in the number of assembly processes and reducing production costs. In addition, it is possible to prevent the reduction of the component mounting area of the circuit board and the bending of the circuit board.
- a plurality of printed circuit boards provided in the substrate of the camera module can be constantly and easily aligned in the optical axis direction. It can be effected.
- the static electricity generated in the substrate portion flows to the second fence, and the second fence functions as the ground portion, thus eliminating or significantly reducing the static electricity generated in the substrate portion. have.
- EMC Electro Magnetic Compatibility
- FIG. 1 is an external perspective view of a camera module according to the first embodiment.
- FIG. 2 is a cross-sectional view taken along the line II ′ of FIG. 1.
- FIG. 3 is a perspective view illustrating the circuit board fixing apparatus shown in FIG. 2.
- FIG. 4 is a perspective view illustrating a fixing unit of the circuit board fixing apparatus of FIG. 3.
- FIG 5 is a perspective view showing a fixing unit according to the second embodiment.
- FIG. 6 is an exploded perspective view showing the fixing cap coupled to the fixing unit according to the first embodiment.
- FIG. 7 is a perspective view of the combination of FIG.
- FIG 8 to 10 are views illustrating a procedure of assembling the first to fourth circuit boards to the first and second fixing portions of the fixing unit according to the first embodiment of the present invention.
- Fig. 11 is a perspective view of the camera module of the third embodiment.
- FIG. 12 is an exploded perspective view showing the camera module of the third embodiment.
- Fig. 13 is a front view showing the camera module of the third embodiment.
- FIG. 14 is a perspective view showing a part of the camera module of the third embodiment.
- FIG. 15 is a front view of FIG. 14.
- FIG. 16 is a view of removing the second fence in the third embodiment of FIG.
- FIG. 17 is a view illustrating the rotation of FIG. 16 about the z axis.
- FIG. 18 is a perspective view showing a first fence of the third embodiment.
- FIG. 19 is a partial perspective view illustrating portion A of FIG. 13.
- 20 is a perspective view showing a third substrate and a finger of the third embodiment.
- Fig. 21 is a side view showing a finger of the third embodiment.
- a rectangular coordinate system (x, y, z) can be used.
- the x-axis and the y-axis mean planes perpendicular to the optical axis.
- the optical axis direction (z-axis direction) may be referred to as a first direction, the x-axis direction as a second direction, and the y-axis direction as a third direction. .
- the camera module of the present embodiment may have a first embodiment, a second embodiment, and a third embodiment.
- the camera module of the first embodiment and the second embodiment relates to a camera module including a circuit board fixing device for firmly fixing the circuit board, and the camera module of the third embodiment has an electromagnetic stability.
- FIG. 1 is an external perspective view of a camera module according to the first embodiment.
- FIG. 2 is a cross-sectional view taken along the line II ′ of FIG. 1.
- the camera module 700 of the first embodiment includes a circuit board fixing device 100, an image sensor 200, a lens 300, a lens barrel 400, and a housing 500. May contain
- FIG. 3 is a perspective view illustrating the circuit board fixing apparatus shown in FIG. 2.
- the circuit board fixing apparatus 100 may include a fixing unit 180 for fixing a plurality of circuit boards 110.
- the circuit board 110 according to the first embodiment may be firmly fixed by the fixing unit 180.
- circuit boards 110 may be fixed to, for example, the fixing unit 180.
- the circuit board 110 is divided into a first circuit board 112, a second circuit board 114, a third circuit board 116, and a fourth circuit board 118.
- the first to fourth circuit boards 112, 114, 116, and 118 may each include a rigid circuit board.
- the first circuit board 112, the second circuit board 114, the third circuit board 116, and the fourth circuit board 118 are lined up by the flexible circuit boards 113, 115, and 117. Leads to.
- the first and second circuit boards 112 and 114, the second and third circuit boards 114 and 116, and the third and fourth circuit boards 116 and 118 may be electrically connected to each other by the flexible circuit boards 113, 115 and 117, respectively. have.
- Concave grooves may be formed in the first to fourth circuit boards 112, 114, 116, and 118 to prevent bending of the flexible circuit boards 113, 115, and 117.
- the first to fourth circuit boards 112, 114, 116, and 118 may be stacked in a zigzag form.
- a second circuit board 114 may be disposed above the first circuit board 112
- a third circuit board 116 may be disposed above the second circuit board 114.
- the fourth circuit board 118 may be disposed on the third circuit board 116.
- the first to fourth circuit boards 112, 114, 116, and 118 stacked in a stack may be spaced apart from each other by a predetermined distance, and the intervals between the first to fourth circuit boards 112, 114, 116, and 118 may be the same or different from each other.
- planar area of the third circuit board 116 may be larger than the planar area of the second circuit board 114, and the planar area of the fourth circuit board 118 may be larger than that of the third circuit board 116.
- an image sensor 200 may be mounted on the first circuit board 112, and a connector or the like may be mounted on the fourth circuit board 118.
- FIG. 4 is a perspective view illustrating a fixing unit of the circuit board fixing apparatus of FIG. 3.
- the fixing unit 180 serves to fix the circuit board 110 including the first to fourth circuit boards 112, 114, 116, and 118 described above without screwing.
- the fixing unit 180 may include a base part 120, a first fixing part 130, and a second fixing part 140.
- the base portion 120, the first fixing portion 130 and the second fixing portion 140 of the fixing unit 180 may be integrally formed.
- the base portion 120, the first fixing portion 130 and the second fixing portion 140 is shown and described as being integrally formed in one embodiment of the present invention, the base portion 120, the first fixing portion The 130 and the second fixing part 140 may be assembled or welded in a separated state.
- the base portion 120 is formed in, for example, a plate shape, and the base portion 120 may be coupled to and fixed to the housing 500 to be described later.
- the shape of the base portion 120 may be determined by the shape of the housing 500.
- the base portion 120 may be, for example, suitable for being accommodated in the housing 500. It may be formed in a rectangular plate shape.
- An opening 122 may be formed in the central portion of the base 120 to allow a connector or the like to pass therethrough.
- At least one of the first fixing part 130 may extend from one edge of the base part 120 to one side of the base part 120.
- the first fixing part 130 may extend in a first direction to face a pair of mutually opposite sides of the base portion 120.
- the first direction may be, for example, a height direction with respect to the base portion 120.
- the first direction may be a direction perpendicular to the base part 120, and may extend in a direction perpendicular to an edge or an edge of the base part 120.
- the first fixing part 130 may be formed, for example, in a rectangular plate shape. Although the first fixing part 130 is shown and described in the form of a rectangular plate in the first embodiment, the first fixing part 130 may be formed in various plate shapes.
- the first fixing part 130 may include support parts 132, 133, and 134 protruding in a direction perpendicular to the first direction which is a height direction with respect to the base part 120.
- the supports 132, 133, and 134 serve to prevent the separation of the second to fourth circuit boards 114, 116, and 118.
- the support parts 132, 133, and 14 of the first fixing part 130 may be referred to as protrusions of the first fixing part 130. That is, the plurality of first fixing parts 130 extend in the first direction from the base part 120 and protrude in a direction perpendicular to the first direction to support one side of each of the plurality of substrates 110. It may include protrusions.
- the number of supports 132, 133, 134 may be determined by the number of circuit boards 110.
- the support parts 132, 133, 134 support one side of the second to fourth circuit boards 114, 116, 118 except for the first circuit board 112 disposed on the base part 120.
- Three may be formed in the first fixing part 130.
- one side of the circuit board may be an upper surface (or lower surface) of the circuit board, and the other side of the circuit board may be a lower surface (or upper surface) of the circuit board.
- the support part 132 supporting the second circuit board 114 is formed by, for example, bending a portion protruding from both sides of the first fixing part 130 toward the bottom surface of the second circuit board 114. Can be.
- the support part 133 supporting the third circuit board 116 is formed by, for example, bending a portion protruding from both sides of the first fixing part 130 toward the bottom surface of the third circuit board 116. Can be.
- the support part 134 supporting the fourth circuit board 118 cuts a part of the first fixing part 130 and protrudes the cut out portion from the outside of the first fixing part 130 to the inside. Can be formed.
- the substrate supported by the support part 134 may be sized to correspond to the protruding length of the support parts 132, 133, and 134.
- the protruding lengths of the support parts 132, 133, and 134 may decrease as the distance from the base part 120 decreases, and as the distance from the base part 120 increases, the size of a direction perpendicular to the first direction of the substrate may decrease. .
- an escape groove may be formed in the second to fourth circuit boards 114, 116 and 118 so that the second to fourth circuit boards 114, 116 and 118 may be coupled without interfering with the support parts 132, 133 and 134.
- the area of the escape groove may be the largest of the second circuit board 114 and the smallest of the fourth circuit board 118.
- the second fixing part 140 is separated from the second to fourth circuit boards 114, 116, and 118 supported by the supporting parts 132, 133, and 134 of the first fixing part 130, respectively. Prevent it.
- the second fixing part 140 may be disposed in the first direction such that a pair of the second fixing part 140 faces each other.
- the second fixing part 140 may be disposed in parallel with the first fixing part 130, and may be disposed perpendicularly to the first fixing part 130 when viewed in plan view.
- the pair of second fixing parts 140 When the pair of second fixing parts 140 are disposed in the base part 120 with respect to the first fixing parts 130, four portions of the second to fourth circuit boards 114, 116, and 118 may be disposed in the first and second fixing parts.
- the 130 and 140 may be stably fixed to prevent the second and fourth circuit boards 114, 116, and 118 from being separated and moving up and down.
- the second fixing part 140 may be formed in the first direction from the edge of the base part 120.
- the second fixing part 140 may be formed, for example, in a rectangular plate shape when viewed from the side. Although it is shown and described that the second fixing part 140 is formed in a rectangular plate shape in the first embodiment, the second fixing part 140 may have various plate shapes.
- the width of the second fixing part 140 may be formed to be narrower than the width of the first fixing part 10, which means that the portion where the second fixing part 140 is formed is the first to fourth circuit boards 112, 114, 116 and 118. This is to prevent interference with the flexible circuit boards 113, 115, and 117 connecting them.
- Protrusions 143, 143, and 144 are formed in the second fixing part 140 in the height direction with respect to the base part 120.
- the second fixing part 140 may include a plurality of protrusions extending from the base part 120 in the first direction and supporting or contacting the other side of each of the plurality of substrates 110.
- the first direction may be a direction perpendicular to the base part 120.
- the protrusions 142, 143, and 144 are formed at positions corresponding to the second to fourth circuit boards 114, 116, and 118 except for the first circuit board 112 disposed on the upper surface of the base part 120.
- the protrusion 142 formed on the second fixing part 140 contacts or presses the upper surface of the second circuit board 114, and the second circuit board 114 is the first fixing part. It is not moved up and down by the support 132 of the 130 and the protrusion 142 of the second fixing part 140.
- the protrusion 142 fixing the second circuit board 114 may be formed by cutting a portion of the second fixing part 140 and bending the cut portion toward the upper surface of the second circuit board 114.
- the protrusion 143 formed on the second fixing part 140 contacts or presses the upper surface of the third circuit board 116, and the third circuit board 116 is the first fixing part. It is not moved up and down by the support part 133 of the 130 and the protrusion part 143 of the second fixing part 140.
- the protrusion 143 fixing the third circuit board 116 may be formed by cutting a portion of the second fixing part 140 and bending the cut portion toward the upper surface of the third circuit board 116.
- the protrusion 144 formed on the second fixing part 140 contacts or presses the upper surface of the fourth circuit board 118, and the fourth circuit board 118 is the first fixing part.
- the support part 134 of the 130 and the protrusion 144 of the second fixing part 140 are not moved up and down.
- the protrusion 144 fixing the fourth circuit board 118 may be formed by cutting a portion of the second fixing part 140 and bending the cut portion toward the upper surface of the fourth circuit board 118.
- the second to fourth circuit boards 114, 116, 118 fixed by the protrusions 142, 143, 144 are gradually increased in planarity as described above, the second to fourth circuit boards 114, 116, 118 are considered in consideration of the planar area of the second to fourth circuit boards 114, 116, 118. Step portions may be formed between the protrusions 142, 143, and 144 of the second fixing parts 140.
- FIG. 5 is a perspective view showing a fixing unit according to the camera module of the second embodiment.
- the fixing unit shown in FIG. 5 has substantially the same configuration as the fixing unit shown in FIGS. 2 to 4 except for the shape of the supporting portion and the protrusion. Therefore, duplicate description of the same configuration will be omitted, and the same name and the same reference numerals will be given for the same configuration.
- the fixing unit 180 may include a base part 120, a first fixing part 130, and a second fixing part 140.
- the first fixing part 130 may include support parts 132a, 133a, and 134a formed along the height direction with respect to the base part 120.
- the support portions 132a, 133a, and 134a are formed by cutting a portion of the first fixing portion 130 and protruding the cut portion from the outer surface of the first fixing portion 130 toward the inner surface facing the outer surface.
- the support parts 132a, 133a, and 134a support the lower surfaces of the second to fourth circuit boards 114, 116, and 118.
- the second fixing part 140 may include protrusions 142a, 143a, and 144a formed along the height direction with respect to the base part 120.
- the protrusions 142a, 143a, and 144a are formed by cutting a portion of the second fixing part 140 and protruding the cut out portion from the outer side of the second fixing part 140 in the inner side direction facing the outer side.
- the protrusions 142a, 143a, and 144a may contact the top surfaces of the second to fourth circuit boards 114, 116, and 118.
- FIG. 6 is an exploded perspective view showing a fixing cap coupled to a fixing unit according to the first embodiment of the present invention.
- 7 is a perspective view of the combination of FIG.
- the first and second fixing parts 130 and 140 are coupled to the first and second fixing parts 130 and 140 of the fixing unit 180 in a state where the first to fourth circuit boards 112, 114, 116 and 118 are coupled to each other. ), The first to fourth circuit boards 112, 114, 116, and 118 may be separated from the first and second fixing parts 130 and 140.
- the fixing unit 180 may include a fixing cap 150.
- the fixing cap 150 may be coupled to the first and second fixing parts 130 and 140 of the fixing unit 180 to prevent the first and second fixing parts 130 and 140 from spreading.
- the fixed cap 150 may be made of various materials such as a high rigidity, easy to process metal material or easy to process, synthetic resin material capable of forming a complex shape.
- the fixing cap 150 is formed in the form of a lid, and the fixing cap 150 may include a side wall 155 and a top plate 159.
- the upper plate 159 may be formed, for example, in a shape corresponding to the base portion 120 of the fixing unit 180.
- the top plate 159 is also formed in a shape corresponding to the base portion 120, and in one embodiment of the present invention, the top plate 159 is a square plate. It may be formed in a shape.
- the upper plate 159 may have an opening 158 that exposes a connector connected to the fourth circuit board 118 fixed to the fixing unit 180.
- the periphery of the opening 158 formed in the upper plate 159 is bent inward of the upper plate 159 to contact the upper surface of the fourth circuit board 118 or press the upper surface to release the fourth circuit board 118.
- the departure prevention part 157 may be formed to prevent or suppress it once again.
- Sidewalls 155 may be integrally formed at an edge of the upper plate 159, and the sidewalls 155 may be in contact with the outer surfaces of the first and second fixing parts 130 and 140, respectively. ) To prevent it from happening.
- the sidewalls 155 may be formed, for example, a locking portion 151 coupled with the first and second fixing portions 130 and 140.
- the catching part 151 is formed by cutting and bending a part of the side wall 155, and a through hole for engaging the catching part 151 with a hooking method in the first fixing part 130 corresponding to the catching part 151. 137 may be formed.
- At least one anti-bending rib 152 may be formed on the side wall 155 to prevent bending of the side wall 155.
- FIG 8 to 10 are views illustrating a procedure of assembling the first to fourth circuit boards to the first and second fixing portions of the fixing unit according to the first embodiment.
- the first circuit board 112 may be fixed and coupled to the base 120 of the fixing unit 180.
- the second circuit board 114 is coupled to the first and second fixing parts 130 and 140 so as to face the first circuit board 112, respectively, as shown in FIG. 10.
- the third circuit board 116 is coupled to the first and second fixing parts 130 and 140 so as to face the second circuit board 114.
- the fourth circuit board 118 is coupled to the first and second fixing parts 130 and 140 so as to face the third circuit board 116.
- the circuit board fixing device 100 including the fixing unit 180 described with reference to FIGS. 3 to 8 is coupled to the inside of the housing 500, and the lens 300 is attached to the housing 500.
- the combined lens assembly 400 is combined.
- the circuit board fixing apparatus for a camera module and the camera module having the same do not use fastening screws when fixing the circuit board in the housing.
- By firmly fixing the inside of the housing it is possible to prevent an increase in the number of assembly processes, a reduction in production cost, a reduction in the component mounting area of the circuit board, and a warpage of the circuit board.
- the camera module of the third embodiment will be described below.
- Fig. 11 is a perspective view showing the camera module of the third embodiment.
- 12 is an exploded perspective view showing the camera module of the third embodiment.
- 13 is a front view showing the camera module of one embodiment.
- the camera module of the third embodiment includes a lens unit 1100, a front body 1200, a front body 1200, a substrate unit 1300, a first fence 1400, a second fence 1500, and an image sensor. 1700, a fastening mechanism 1810, a sealing member 1820, and a cable connector 1830.
- the lens unit 1100 is a site where external light is incident and may include a lens barrel in which at least one lens is mounted.
- the lens barrel may be configured as a single lens, but a plurality of lenses may be provided in a form aligned in the optical axis direction, that is, the first direction.
- one lens or a plurality of lenses may be directly coupled to the front body 1200 without a lens barrel.
- the lens unit 1100 may be coupled to the front body 1200 by a method such as screwing, shape fitting or interference fitting, the gap between the coupling portion between the lens unit 1100 and the front body 1200 may be reduced.
- a sealing member 1820 may be provided to block inflow of moisture, dust, and other foreign matter into the camera module.
- the sealing member 1820 may be disposed at a coupling portion of the lens unit 1100 and the front body 1200.
- the sealing member 1820 may be provided in an O-ring shape. .
- the front body 1200 may be provided in a hollow shape to accommodate the lens unit 1100 in an internal space.
- the front body 1200 may be mounted to the lens unit 1100 in the front portion.
- a hollow in which the lens unit 1100 is mounted may be formed in the front body 1200.
- the front body 1200 may be coupled to a housing (not shown). Coupling the front body 1200 and the housing may be made by, for example, a coupling mechanism (not shown). To this end, as illustrated in FIGS. 11 and 12, a through hole into which a coupling mechanism is inserted may be formed at a corner portion of the front body 1200.
- the front body 1200 and the housing may be coupled by bonding, shape fitting, or interference fitting without using a coupling mechanism.
- the cable connector 1830 may serve to connect the substrate 1300 and an external cable. Through an external cable (not shown) electrically connected to the cable connection unit 1830, the camera module may receive power from the outside or exchange electrical signals with the external device.
- the cable connector 1830 may include a first connector 1831 and a second connector 1832.
- the first connector 1831 may be coupled to the substrate 1300, and the second connector 1832 may be coupled to the first connector 1831 and the external cable.
- the first connection part 1831 is coupled to a third substrate 1313 disposed at the rearmost part of the substrate part 1300, and the second connection part 1832 is connected to the first connection part ( 1831, and the external cable may be coupled to the second connector 1832. Due to this structure, the substrate unit 1300 and the external cable may be electrically connected to each other.
- the substrate unit 1300 may be disposed behind the front body 1200 and may be provided as a plurality of printed circuit boards 1310.
- the substrate unit 1300 may include a printed circuit board 1310 and a connector 1320.
- the printed circuit board 1310 may be disposed in plurality in the optical axis direction.
- the printed circuit board 1310 may be disposed in plural to face the lens unit 1100.
- four printed circuit boards 310 are provided in one embodiment, but less than four or more than four printed circuit boards 310 may be provided.
- the printed circuit board 1310 may include a first substrate 1311, a second substrate 1312, and a third substrate 1313.
- the first substrate 1311 may be disposed to face the lens unit 1100.
- the third substrate 1313 may be spaced apart from the first substrate 1311 in the optical axis direction.
- the second substrate 1312 may be disposed to be spaced apart from the first substrate 1311 and the third substrate 1313 between the first substrate 1311 and the third substrate 1313.
- the second substrate 1312 may be, for example, a second-1 substrate 1312-1 disposed adjacent to the first substrate 1311 and a second substrate 1313 disposed adjacent to the third substrate 1313.
- the second substrate 1312 may include, but is not limited to, a second substrate 1312-2, and the second substrate 1312 may be provided in a form in which one substrate or three or more substrates are disposed in an optical axis direction.
- the first substrate 1311 may face the lens unit 1100, and may be disposed adjacent to the lens unit 1100, and face the lens unit 1100, that is, the front surface of the image sensor 1700. ) May be mounted, and an electromagnetic circuit provided with various other circuit elements may be formed.
- the light incident through the lens unit 1100 is sensed by the image sensor 1700, and the first substrate 1311 converts the sensed image into an electrical signal and transmits it to an external image storage device or image reproducing device. can do. However, converting the sensed image into an electrical signal may be performed on other substrates.
- the second substrate 1312 including the 2-1st substrate 1312-1 and the 2-2nd substrate 1312-2 is disposed between the first substrate 1311 and the third substrate 1313. And an electrical circuit connected to the first substrate 1311 and the third substrate 1313.
- the second-first substrate 1312-1 and the second-second substrate 1312-2 may serve as an electrical path for supplying electric power required for the first substrate 1311, and the first substrate 1311. It may serve to deliver an electrical signal for the sensed image transmitted from the external image storage device or image playback device.
- the second-first substrate 1312-1 and / or the second-second substrate 1312-2 converts a sensed image transmitted from the first substrate 1311 into an electrical signal to external image storage device.
- the electronic device may transmit the image to the image reproducing apparatus, or rectify the electric power input from the third substrate 1313 and transmit the rectified power to the first substrate 1311.
- the 2-1st substrate 1312-1 and / or the 2-2nd substrate 1312-2 is disposed between the first substrate 1311 and the third substrate 1313 so that the first substrate 1311
- the role played by the third substrate 1313 may be partially divided.
- the third substrate 1313 may be disposed behind the second substrate 1312, electrically connected to the second substrate 1312, and an electromagnetic circuit may be formed. As described above, the third substrate 1313 may be electrically connected to the cable connector 1830 and an external cable.
- the third substrate 1313 mainly receives electric power required for the operation of the camera module from the outside and sends the power to the first substrate 1311 and the second substrate 1312, and the first substrate 1311 and the second substrate ( It may serve to deliver an electrical signal for the sensed image transmitted from 1312 to an external image storage device or an image reproducing device.
- the third substrate 1313 may be equipped with elements such as a capacitor, a rectifier, a transformer, and the like for supplying power having an appropriate voltage and current required for the operation of the camera module.
- the cable connection unit 1830 may be coupled to the third substrate 1313 for electrical connection to an external image storage device, an image reproducing device, a camera module controller, and the like.
- the connector 1320 may electrically connect the plurality of printed circuit boards 1310 to each other, and may be formed of a flexible material.
- the connector 1320 is the printed circuit boards 1310, that is, the first substrate 1311, the second-first substrate 1312-1, the second-second substrate 1312-2, and the third substrate 1313. Can be electrically connected to each other. Since the connector 1320 electrically connects the respective boards to each other, the connector 1320 may be provided in one fewer number than the number of the printed circuit boards 1310.
- the printed circuit boards 1310 are formed of a first substrate 1311, a second-1 substrate 1312-1, a second-2 substrate 1312-2, and a second substrate. Since three boards 1313 are provided in total, four connectors 1320 may be provided with one fewer than three.
- one connector 1320 connecting each board to each other is provided on one side of each board, but is not limited thereto, and the circuit structure of each board and the overall structure of the camera module are provided. In consideration of this, the number of connectors 1320 and an arrangement position may be selected.
- the connector 1320 is formed of a flexible material in consideration of the fact that it is easy to combine with each substrate, and that it is necessary to absorb such shocks and vibrations so as not to be damaged by shocks and vibrations applied from the outside of the camera module. proper.
- the connector 1320 may be formed of a flexible circuit board.
- the present invention is not limited thereto, and a strong material may be used as long as it is strong against shock and vibration, and the connector 1320 may be formed using a bundle of wires.
- the connector 1320 may serve as a board to board (B2B) connector 1320 for electrically connecting each board.
- B2B board to board
- the first fence 400 may be coupled to the substrate 300 to separate the plurality of printed circuit boards 310 from each other in the optical axis direction.
- the first fence 400 will be described in detail with reference to the accompanying drawings.
- the second fence 1500 is coupled to the first fence 1400 at the rear of the first fence 1400 and electrically connected to the substrate 1300 to ground the substrate 1300. can do.
- static electricity may be generated in the camera module.
- static electricity generated in the substrate unit 1300 may adversely affect the performance of the camera module.
- the static electricity generated in the substrate unit 1300 may generate electromagnetic noise, and the noise may cause a blurred image or a deterioration in image quality.
- Electro Magnetic Compatibility, EMC can be reduced.
- the second fence 1500 serves as the ground unit. can do.
- the substrate part 1300 and the second fence 500 must be electrically connected to each other. Such an electrical connection structure will be described in detail with reference to the accompanying drawings.
- the second fence 1500 may be coupled to the first fence 1400 by surrounding the first fence 1400 at a rear portion of the first fence 1400.
- the second fence 1500 may be coupled to the first fence 1400 to be detachable.
- the second fence 1500 may be formed with a hook 1520 to be detachably coupled with the first fence 1400.
- the first fence 1400 may be formed with a through portion 1440 to which the hook 1520 is coupled to a portion corresponding to the hook 1520.
- the second fence 1500 may be detachably attached to the first fence 1400 by being coupled to or detached from the through part 1440 while the hook 1520 is elastically deformed. Can be combined.
- the camera module of the embodiment may further include a finger 1600.
- the finger 1600 may serve to electrically connect the substrate 300 and the second fence 1500.
- the finger 1600 may electrically connect the second fence 1500 and the third substrate 1313.
- the finger 1600 is coupled to the third substrate 1313, and the second fence 1500 is provided with a pressing unit 1510 for pressing the finger 1600 to a portion corresponding to the finger 1600.
- the pressing unit 1510 presses the finger 1600 such that the pressing unit 1510 and the finger 1600 contact each other, and thus the second fence 1500 and the third The substrate portions 1300 including the substrate 1313 may be in electrical contact with each other. Specific structures of the finger 1600 and the pressing unit 1510 will be described in detail with reference to the accompanying drawings.
- the second fence 1500 is electrically connected to the third substrate 1313 so that the static electricity generated in the substrate portion 1300 flows to the second fence 1500, for example, It is appropriate to form the conductive metal material.
- FIG. 16 is a diagram illustrating a second fence 1500 of one embodiment removed from FIG. 15.
- FIG. 17 is a view illustrating the rotation of FIG. 16 about the z axis.
- 18 is a perspective view of a first fence 1400 in one embodiment.
- the first fence 1400 may be coupled to the substrate unit 1300 to serve to separate the plurality of printed circuit boards 1310 from each other in an optical axis direction, and may include a body coupling unit 1430 and a first protrusion unit 1. 1410 and the second protrusion 1420.
- the body coupling part 1430 may be provided to be coupled to the front body 1200 on one side of the first pen, that is, the front part.
- the body coupling part 1430 may be disposed between the front body 1200 and the first substrate 1311 to couple to the front body 1200 and the first substrate 1311.
- the front body 1200, the body coupling portion 1430 and the first substrate 1311 may be coupled to each other by a fastening mechanism 1810 (see FIGS. 12 and 13). Due to this structure, the substrate part 1300 including the first substrate 1311 may be coupled to the front body 1200 by the first fence 1400.
- the image sensor 1700 mounted on the front surface of the first substrate 1311 to face the lens unit 1100, as shown in Figure 18, as shown in Figure 18, the body coupling portion 1430 is formed with a hole Can be.
- the first protrusion 1410 may support, for example, a front surface of the printed circuit board 1310.
- the second protrusion 1420 may support the other side of the printed circuit board 1310, for example, a rear surface thereof.
- the first protrusion 1410 and the second protrusion 1420 may be formed to be spaced apart in the optical axis direction, and the separation distance is each printed circuit board 1310, that is, the second substrate 1312 and the third substrate 1313. ) May correspond to the thickness.
- the second substrate 1312 and the third substrate 1313 are coupled to the first fence 1400 by the first protrusion 1410 and the second protrusion 1420 and spaced apart in the optical axis direction. Can be arranged.
- the second substrate 1312 and the third substrate 1313 may be inserted between the first protrusion 1410 and the second protrusion 1420 to be coupled to the first fence 1400.
- the first substrate 1311 is coupled to the body coupling portion 1430 by the fastening mechanism 1810, and is not fitted between the first protrusion 1410 and the second protrusion 1420. Can be.
- the first protrusion 1410 and the second protrusion 1420 may be disposed at three positions spaced apart from each other in the optical axis direction.
- the 2-1st substrate 1312-1, the 2-2nd substrate 1312-2, and the third substrate 1313 are sandwiched between the first and second protrusions 1420. FIG. Because you can lose.
- the first fence 1400 including the body coupling portion 1430, the first protrusion 1410 and the second protrusion 1420, provided in the substrate portion 1300 of the camera module The plurality of printed circuit boards 1310 may be easily aligned at intervals set in the optical axis direction.
- first fence 1400 may be provided to surround the substrate 1300, thereby partially shielding electromagnetic waves generated in the substrate 300.
- the finger 1600 may include a substrate coupling part 1610 and an elastic deformation part 1620.
- the substrate coupling part 1610 may be coupled to the third substrate 1313.
- the substrate coupling part 1610 and the third substrate 1313 may be coupled to each other by soldering, a conductive adhesive, or the like.
- the elastic deformation part 1620 may extend from the substrate coupling part 1610 and elastically deform.
- the second fence 1500 presses the elastic deformation unit 1620
- the second fence 1500 and the third substrate 1313 may be electrically connected to each other.
- the second fence 1500 may include a pressing unit 1510 protruding in the direction of the substrate unit 1300 to press the finger 1600.
- the elastic deformation part 1620 When the pressing part 1510 presses the elastic deformation part 1620 while being in contact with the elastic deformation part 1620, the elastic deformation part 1620 generates elastic deformation, and the pressing part 1510 is caused by such a structure. ) And the elastic deformation part 1620 may be more electrically connected, and electrical disconnection between the pressing part 1510 and the elastic deformation part 1620 may be prevented.
- the end portion of the pressing portion 1510 is positioned below the upper surface of the elastic deformation portion 1620, the elastic deformation portion 1620 Since deformation occurs and reliable contact with the pressing unit 1510 occurs, the pressing unit 1510 and the elastic unit can be electrically connected more reliably without the occurrence of electrical disconnection.
- the second fence 1500 including the pressing unit 1510, the finger 1600 including the elastic deformation unit 1620, and the finger may be provided.
- the substrate unit 1300 including the 1600 may be electrically connected.
- the static electricity generated in the substrate unit 1300 may flow to the second fence 1500 that is electrically connected, and the second fence 1500 serves as a ground unit to eliminate static electricity generated in the substrate unit 1300 or remarkably. Can be reduced.
- the substrate portion 1300 and the second fence 1500 are electrically connected so that the static electricity generated in the substrate portion 1300 flows to the second fence 1500, and the second fence 1500 Since it functions as a ground portion, there is an effect that can eliminate or significantly reduce the static electricity generated in the substrate portion 1300.
- EMC Electro Magnetic Compatibility
- 20 is a perspective view showing a third substrate 1313 and a finger 1600 of the third embodiment.
- 21 is a side view of a finger 1600 in one embodiment.
- the finger 1600 may be coupled to a rear surface of the third substrate 1313 disposed at the rearmost of the printed circuit boards 1310, for example.
- the finger 1600 may be provided at a position opposite to the pressing portion 1510 formed in the second fence 1500 in the optical axis direction.
- the fingers 1600 may be provided in the same number as the pressing unit 1510. In FIG. 20, two fingers 1600 are provided, but the present invention is not limited thereto, and one or three or more fingers 1600 may be provided.
- the position of the finger 1600 is not particularly limited, and the position, number, etc. of the finger 1600 may be appropriately selected in consideration of the detailed structure or the overall structure of the camera module.
- the pressing unit 1510 may be provided to correspond to the position, number, and the like of the finger 1600.
- the elastic deformation part 1620 of the finger 1600 may be provided in an S-shape as a whole.
- the elastic deformation unit 1620 may be elastically deformed by the pressing unit 1510 to ensure mechanical and electrical contact between the elastic deformation unit 1620 and the pressing unit 1510.
- the elastic deformation portion 1620 may be adopted in any shape.
- the finger 1600 is appropriately formed of a material having excellent wear resistance, fatigue strength, elastic limit, electrical conductivity and the like. Accordingly, the finger 1600 may be made of, for example, beryllium copper material.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Studio Devices (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
- Lens Barrels (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
Description
Claims (10)
- 베이스부; 및복수의 기판 각각의 일측을 지지하는 제1고정부와 상기 복수의 기판 각각의 일측과 대향하는 타측을 지지하는 제2고정부를 포함하는 고정유닛을 포함하고,상기 제1 고정부는 상기 베이스부로부터 복수개가 제1방향으로 연장되고, 상기 복수의 기판 각각의 일측을 지지하기 위해 제1방향과 수직한 방향으로 돌출된 복수의 돌출부들을 포함하고,상기 제2 고정부는 상기 베이스로부터 복수개가 상기 제1방향으로 연장되고, 상기 복수의 기판 각각의 타측을 지지하는 복수의 돌출부들을 포함하는 카메라 모듈용 회로기판 고정장치.
- 제1항에 있어서,상기 제1 고정부는 상기 베이스부의 상호 마주보는 모서리 부분으로부터 연장되어 배치되며,상기 제1 고정부의 돌출부들은 상기 제1 고정부의 측면으로부터 돌출된 부분을 절곡하여 형성되는 카메라 모듈용 회로기판 고정 장치.
- 제1항에 있어서,상기 제1 고정부는 상기 베이스부에 한 쌍이 상호 마주하게 배치되며,상기 제1 고정부의 돌출부들은 상기 기판이 실장되는 내부 공간으로 돌출되어 형성된 카메라 모듈용 회로기판 고정 장치.
- 제1항에 있어서,상기 제1 고정부의 돌출부들의 돌출 길이는 상기 베이스부로부터 멀어질수록 감소 되는 카메라 모듈용 회로기판 고정 장치.
- 제1항에 있어서,상기 제2 고정부는 상기 베이스부의 상호 평행한 변으로부터 각각 제1방향으로 연장되어 형성되며,상기 제2 고정부의 돌출부들은 상기 기판의 상기 타측을 지지하기 위해 상기 기판이 실장되는 내부공간을 향해 돌출된 카메라 모듈용 회로기판 고정 장치.
- 제5항에 있어서,상기 제2 고정부에는 상기 제2 고정부의 돌출부들 사이에 형성된 단턱을 갖는 카메라 모듈용 회로기판 고정 장치.
- 제1항에 있어서,상기 제1 고정부는 제1 폭으로 형성되고, 상기 제2 고정부는 상기 제1 폭보다 좁은 제2 폭으로 형성된 카메라 모듈용 회로기판 고정 장치.
- 제1항에 있어서,상기 복수의 기판은 상하로 상호 마주하게 복수개가 중첩 배치된 리지드 회로기판 및 상기 리지드 회로기판들을 상호 전기적으로 연결하는 연성 회로기판을 포함하는 카메라 모듈용 회로기판 고정 장치.
- 제8항에 있어서,상기 기판에는 상기 제1 고정부의 돌출부들 중 적어도 일부 돌출부와 간섭을 방지하기 위해 서로 다른 사이즈를 갖는 도피홈이 각각 형성된 카메라 모듈용 회로기판 고정 장치.
- 베이스부 및 복수의 기판 각각의 일측을 지지하는 제1고정부와 상기 복수의 기판 각각의 타측을 지지하는 제2고정부를 포함하는 고정유닛;상기 기판들 중 최상부에 배치된 기판에 실장 되는 이미지 센서;상기 이미지 센서로 유입되는 광의 경로 상에 배치된 렌즈;상기 렌즈를 고정하는 렌즈 배럴; 및상기 고정 유닛, 상기 이미지 센서 및 상기 렌즈를 수납하는 하우징을 포함하며,상기 제1 고정부는 상기 베이스부로부터 복수개가 제1방향으로 연장되며, 복수개의 회로기판들의 일측을 각각 지지하기 위해 제1방향과 수직한 방향으로 돌출된 복수의 돌출부들을 포함하고,상기 제2 고정부는 상기 베이스로부터 복수개가 상기 제1방향으로 연장되며, 상기 회로기판의 상기 일측과 대향하는 타측과 접촉되는 복수의 돌출부들을 포함하는 카메라 모듈.
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
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EP21211623.0A EP4002005A1 (en) | 2016-04-14 | 2017-04-14 | Device for fixing camera module circuit board, and camera module |
CN202110836315.XA CN113589618B (zh) | 2016-04-14 | 2017-04-14 | 用于固定相机模块电路板的装置以及相机模块 |
US16/093,040 US10660204B2 (en) | 2016-04-14 | 2017-04-14 | Device for fixing camera module circuit board, and camera module |
CN201780023838.4A CN109073959B (zh) | 2016-04-14 | 2017-04-14 | 用于固定相机模块电路板的装置以及相机模块 |
EP20193555.8A EP3779590B1 (en) | 2016-04-14 | 2017-04-14 | Device for fixing camera module circuit board, and camera module |
EP17782698.9A EP3444666B1 (en) | 2016-04-14 | 2017-04-14 | Device for fixing camera module circuit board, and camera module |
JP2018553978A JP6990194B2 (ja) | 2016-04-14 | 2017-04-14 | カメラモジュール用回路基板固定装置及びカメラモジュール |
US16/846,799 US11026329B2 (en) | 2016-04-14 | 2020-04-13 | Device for fixing camera module circuit board, and camera module |
US17/243,320 US11602052B2 (en) | 2016-04-14 | 2021-04-28 | Device for fixing camera module circuit board, and camera module |
JP2021196127A JP7364652B2 (ja) | 2016-04-14 | 2021-12-02 | カメラモジュール用回路基板固定装置及びカメラモジュール |
US18/155,269 US11856697B2 (en) | 2016-04-14 | 2023-01-17 | Device for fixing camera module circuit board, and camera module |
JP2023173796A JP2023174767A (ja) | 2016-04-14 | 2023-10-05 | カメラモジュール用回路基板固定装置及びカメラモジュール |
US18/507,708 US20240080983A1 (en) | 2016-04-14 | 2023-11-13 | Device for fixing camera module circuit board, and camera module |
Applications Claiming Priority (4)
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KR1020160045409A KR102698563B1 (ko) | 2016-04-14 | 2016-04-14 | 카메라 모듈용 회로기판 고정 장치 및 이를 갖는 카메라 모듈 |
KR10-2016-0045409 | 2016-04-14 | ||
KR1020160092447A KR102595256B1 (ko) | 2016-07-21 | 2016-07-21 | 카메라 모듈 |
KR10-2016-0092447 | 2016-07-21 |
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US16/093,040 A-371-Of-International US10660204B2 (en) | 2016-04-14 | 2017-04-14 | Device for fixing camera module circuit board, and camera module |
US16/846,799 Continuation US11026329B2 (en) | 2016-04-14 | 2020-04-13 | Device for fixing camera module circuit board, and camera module |
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WO2017179943A1 true WO2017179943A1 (ko) | 2017-10-19 |
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US (5) | US10660204B2 (ko) |
EP (3) | EP3444666B1 (ko) |
JP (3) | JP6990194B2 (ko) |
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US20240080983A1 (en) | 2024-03-07 |
EP3779590B1 (en) | 2022-01-12 |
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CN109073959B (zh) | 2021-08-10 |
JP2022043103A (ja) | 2022-03-15 |
JP2023174767A (ja) | 2023-12-08 |
JP7364652B2 (ja) | 2023-10-18 |
EP3444666A1 (en) | 2019-02-20 |
EP4002005A1 (en) | 2022-05-25 |
US20210267061A1 (en) | 2021-08-26 |
US11602052B2 (en) | 2023-03-07 |
US11856697B2 (en) | 2023-12-26 |
EP3444666B1 (en) | 2020-10-07 |
EP3779590A1 (en) | 2021-02-17 |
CN113589618A (zh) | 2021-11-02 |
EP3444666A4 (en) | 2019-02-27 |
US20230156919A1 (en) | 2023-05-18 |
CN109073959A (zh) | 2018-12-21 |
US11026329B2 (en) | 2021-06-01 |
JP2019514067A (ja) | 2019-05-30 |
US10660204B2 (en) | 2020-05-19 |
US20200245462A1 (en) | 2020-07-30 |
US20190132954A1 (en) | 2019-05-02 |
CN113589618B (zh) | 2023-03-03 |
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