WO2022124838A1 - 카메라 모듈 - Google Patents
카메라 모듈 Download PDFInfo
- Publication number
- WO2022124838A1 WO2022124838A1 PCT/KR2021/018690 KR2021018690W WO2022124838A1 WO 2022124838 A1 WO2022124838 A1 WO 2022124838A1 KR 2021018690 W KR2021018690 W KR 2021018690W WO 2022124838 A1 WO2022124838 A1 WO 2022124838A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- disposed
- lens
- housing
- lens module
- lens holder
- Prior art date
Links
- 230000008878 coupling Effects 0.000 claims description 107
- 238000010168 coupling process Methods 0.000 claims description 107
- 238000005859 coupling reaction Methods 0.000 claims description 107
- 230000003287 optical effect Effects 0.000 claims description 29
- 239000004593 Epoxy Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims 7
- 230000008602 contraction Effects 0.000 description 9
- 239000000126 substance Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- 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
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
- G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
-
- 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
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
-
- 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
- G02B7/022—Mountings, adjusting means, or light-tight connections, for optical elements for lenses lens and mount having complementary engagement means, e.g. screw/thread
-
- 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
- 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
-
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
-
- 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
Definitions
- This embodiment relates to a camera module.
- micro-miniature camera module has been developed, and the micro-miniature camera module is widely used in small electronic products such as smart phones, notebook computers, and game machines.
- miniature cameras are used not only in small electronic products but also in vehicles.
- a black box camera for vehicle protection or objective data of traffic accidents a rear surveillance camera that enables the driver to monitor the blind spot at the rear of the vehicle through the screen to ensure safety when the vehicle is reversing;
- a peripheral detection camera capable of monitoring the surroundings of the vehicle is provided.
- the camera may include a lens, a lens holder accommodating the lens, an image sensor that converts an image of a subject gathered in the lens into an electrical signal, and a printed circuit board on which the image sensor is mounted.
- the housing forming the outer shape of the camera has a structure in which the entire area is sealed to prevent contamination of internal parts from foreign substances including moisture.
- a device such as a housing or a lens holder may expand at a high temperature and contract at a low temperature according to a change in temperature. Such deformation of the mechanism has a problem in that the distance between the image sensor and the lens is changed.
- An object of the present embodiment is to provide a camera module capable of minimizing a change in a distance between an image sensor and a lens module due to a change in temperature by improving the structure.
- the camera module includes a housing; a lens holder disposed in the housing; a lens module disposed in the lens holder; and a printed circuit board disposed under the housing and including an image sensor facing the lens module, wherein the lens module is screw-coupled to the inner surface of the lens holder, and the lens holder is mounted to the inner surface of the housing. It is screwed, and the screwed area of the lens module is disposed closer to the upper end than the lower end of the lens module.
- the housing may include a cylindrical body and a protrusion protruding downward from a lower surface of the body, and a coupling member may be disposed between the protrusion and the printed circuit board.
- the housing may include a first space in which the lens holder is disposed, and a second space in which the protrusion is disposed, and a lower end of the lens module may be disposed in the second space.
- An inner surface of the housing to which the lens holder and the housing are screwed may be the first space.
- the lens holder includes a third space part having upper and lower surfaces open and to which the lens module is coupled, and a coupling part to which the lens module is screwed is disposed on an inner surface of the third space part, and the coupling part is an upper end of the lens holder. may be placed adjacent to
- a camera module includes a housing; a lens holder disposed on the housing; a lens module disposed inside the housing and the lens holder; and a printed circuit board disposed under the housing and including an image sensor facing the lens module, wherein the lens module is screw-coupled to the inner surface of the lens holder, and the screw-coupled area of the lens module includes the It may be disposed adjacent to the upper end of the lens module than the lower end.
- a second coupling member may be disposed between the housing and the lens holder, and the second coupling member may include epoxy.
- the housing includes a second protrusion protruding upward from the upper surface, and a third protrusion protruding outward from other regions is disposed on the lower portion of the lens holder, and the second coupling member includes the second protrusion and the third protrusion. It may be disposed between the protrusions.
- the housing may include a cylindrical body and a first protrusion protruding downward from a lower surface of the body, and a first coupling member may be disposed between the first protrusion and the printed circuit board.
- the length of the screw coupling area between the lens module and the lens holder may be less than 1/2 of the length of the lens module.
- FIG. 1 is a perspective view of a camera module according to a first embodiment of the present invention
- FIG. 2 is a plan view showing a top surface of the camera module according to the first embodiment of the present invention.
- Fig. 3 is a cross-sectional view taken along line A-A' of Fig. 2;
- FIG 4 is an exploded perspective view of the camera module according to the first embodiment of the present invention.
- FIG. 5 is a perspective view of a camera module according to a second embodiment of the present invention.
- FIG. 6 is a plan view showing an upper surface of a camera module according to a second embodiment of the present invention.
- FIG. 7 is a cross-sectional view taken along line C-C' of FIG. 6;
- FIG. 8 is an exploded perspective view of a camera module according to a second embodiment of the present invention.
- the singular form may also include the plural form unless otherwise specified in the phrase, and when it is described as "at least one (or more than one) of A and (and) B, C", it is combined as A, B, C It may include one or more of all possible combinations.
- a component when it is described that a component is 'connected', 'coupled', or 'connected' to another component, the component is directly 'connected', 'coupled', or 'connected' to the other component. In addition to the case, it may include a case of 'connected', 'coupled', or 'connected' due to another element between the element and the other element.
- the 'optical axis direction' used below is defined as the optical axis direction of the lens module. Meanwhile, the 'optical axis direction' may correspond to a 'vertical direction', a 'z-axis direction', and the like.
- the camera module according to an embodiment of the present invention may be a vehicle camera module, but is not limited thereto.
- FIG. 1 is a perspective view of a camera module according to a first embodiment of the present invention
- FIG. 2 is a plan view showing an upper surface of the camera module according to the first embodiment of the present invention
- FIG. 3 is A-A' of FIG. is a cross-sectional view
- FIG. 4 is an exploded perspective view of the camera module according to the first embodiment of the present invention.
- the camera module 10 may include a housing 100 , a lens holder 120 , a lens module 140 , and a printed circuit board 150 , but this It may be implemented except for some of the configurations, and does not exclude additional configurations.
- the housing 100 may form an external shape of the camera module 10 .
- the housing 100 may accommodate the lens holder 120 and the lens module 140 .
- a space for accommodating the lens holder 120 and the lens module 140 may be formed inside the housing 100 .
- the housing 100 may have a shape in which upper and lower surfaces are opened.
- the cross-sectional shape of the housing 100 may be formed in a rectangular shape.
- the housing 100 and the lens holder 120 may be formed of a plastic material.
- the housing 100 may include a body 110 and a protrusion 112 protruding downward from a lower surface of the body 110 .
- the outer surface of the body 110 may be disposed to protrude outward than the outer surface of the protrusion 112 .
- a cross-sectional area of the protrusion 112 may be smaller than a cross-sectional area of the body 110 .
- the lower surface of the protrusion 112 may be disposed to face the upper surface of the printed circuit board 150 .
- a side surface of the protrusion 112 may form the same plane as a side surface of the printed circuit board 150 .
- a cross-sectional area of the protrusion 112 defined in a direction perpendicular to the optical axis direction of the camera module 10 may correspond to a cross-sectional area of the printed circuit board 150 .
- a first space portion 102 may be formed inside the body portion 110 .
- a second space 116 may be formed inside the protrusion 112 .
- the first space portion 102 and the second space portion 116 may be disposed in a vertical direction.
- the first space 102 and the second space 116 may communicate with each other.
- a cross-sectional area of the second space portion 116 may be larger than a cross-sectional area of the first space portion 102 .
- a screw thread or a screw groove may be formed on an inner circumferential surface of the first space portion 102 . Accordingly, the lens holder 120 may be screwed into the first space portion 102 .
- the lens holder 120 may be disposed in the housing 100 .
- the lens holder 120 may be coupled to the housing 100 .
- the lens holder 120 may accommodate at least a portion of the lens module 140 .
- the lens holder 120 may be referred to as a lens barrel.
- a cross-section of the lens holder 120 may be circular.
- At least a part of the lens holder 120 may be disposed in the housing 100 , and another part may be disposed to protrude upward of the housing 100 . At least a portion of the lens holder 120 may be disposed inside the body portion 110 .
- the lens holder 120 may include a first coupling part 122 .
- the first coupling part 122 may be disposed under the lens holder 120 .
- the first coupling part 122 may be disposed inside the body part 110 .
- the first coupling part 122 may be formed so that a part of the side surface of the lens holder 120 protrudes outward.
- the first coupling part 122 may be disposed to protrude outward from the other side area of the lens holder 120 .
- a cross-sectional area of the first coupling part 122 may be larger than a cross-sectional area of the other side area of the lens holder 120 .
- the first coupling part 122 may be disposed to face the body part 110 in a direction perpendicular to the optical axis direction.
- the first coupling part 122 may be disposed in the first space part 102 .
- a screw groove or a screw thread may be formed on an outer circumferential surface of the first coupling part 122 . Accordingly, the lens holder 120 may be screwed to the housing 100 .
- the lens holder 120 may be formed in which upper and lower surfaces are opened.
- a third space 124 may be disposed inside the lens holder 120 .
- the third space portion 124 may have a hole shape passing through the lower surface from the upper surface of the lens holder 120 .
- the cross-sectional shape of the lens holder 120 may be formed in a ring shape.
- a second coupling part 126 may be disposed on an inner circumferential surface of the third space part 124 .
- the second coupling part 126 may be disposed closer to the upper end of the lens holder 120 than the lower end.
- the second coupling part 126 may be disposed to extend a predetermined distance downward in the optical axis direction from the upper end of the lens holder 120 .
- the second coupling part 126 may be disposed to face at least a portion of the lens module 140 in a direction perpendicular to the optical axis direction.
- the second coupling portion 126 may be a screw thread or a screw groove formed on the inner surface of the third space portion 124 .
- the lens holder 120 may be screw-coupled to the lens module 140 through the second coupling part 126 .
- the second coupling part 126 may be disposed closer to the upper end of the lens holder 120 than the lower end.
- the camera module 10 may include a lens module 140 .
- the lens module 140 may be disposed inside the lens holder 120 .
- An upper end of the lens module 140 may form an upper surface of the camera module 10 .
- the outermost lens among the lenses constituting the lens module 140 may be disposed to protrude upward from the lens holder 120 .
- the upper end of the lens module 140 may protrude upward of the camera module 10 than other regions.
- a lower end of the lens module 140 may protrude lower than a lower end of the lens holder 120 , and at least a portion of the lens module 140 may be disposed in the second space 116 .
- the lens module 140 may include a plurality of lenses.
- the lens module 140 may be disposed to face the image sensor 152 of the printed circuit board 150 to be described later in the optical axis direction.
- the lens module 140 may be aligned with the image sensor 152 .
- the optical axis of the lens module 140 may coincide with the optical axis of the image sensor 152 .
- An infrared filter (IR filter, not shown) may be disposed between the lens module 140 and the image sensor 152 .
- a third coupling part 142 may be disposed in a region of the outer surface of the lens module 140 facing the second coupling part 126 .
- the third coupling part 142 may have a shape in which a part of the side surface of the lens module 140 protrudes outwardly perpendicular to the optical axis direction.
- the third coupling part 142 may be disposed adjacent to the upper end of the lens module 140 than the lower end.
- the third coupling part 142 may be disposed to face the second coupling part 126 .
- a screw thread or a screw groove may be formed on the outer surface of the third coupling part 142 . Accordingly, the lens holder 120 and the lens module 140 may be screw-coupled through the second coupling part 126 and the third coupling part 142 .
- the upper end of the lens module 140 may be screwed to the inside of the lens holder 120 .
- the length of the screw coupling region between the lens holder 120 and the lens module 140 may be formed to be less than 1/2 of the length of the lens module 140 .
- the printed circuit board 150 may be disposed under the housing 100 .
- the printed circuit board 150 may be formed in a plate shape, and at least one electronic component for driving the camera module 10 may be disposed on an outer surface of the printed circuit board 150 .
- an image sensor 152 may be disposed on the upper surface of the printed circuit board 150 .
- the image sensor 152 may be disposed to face the lens module 140 in the optical axis direction.
- the image sensor 152 may convert the image of the subject incident through the lens module 140 into an electrical signal.
- the image sensor 152 may be disposed in the second space 116 .
- the printed circuit board 150 may be coupled to the housing 100 .
- a lower end of the protrusion 112 may be coupled to an upper surface of the printed circuit board 150 .
- a coupling member 160 may be disposed between the protrusion 112 and the printed circuit board 150 .
- the coupling member 160 may include epoxy or rubber.
- the coupling member 160 may be an epoxy applied between the housing 100 and the printed circuit board 150 .
- the coupling member 160 can not only couple the protrusion 112 and the printed circuit board 150 to each other, but also prevent foreign substances from being introduced into the second space 116 .
- the coupling member 160 may be formed in a ring shape.
- a cross-sectional shape of the coupling member 160 may correspond to a cross-sectional shape of the protrusion 112 .
- 3 illustrates that the coupling member 160 is widely disposed on the upper surface of the printed circuit board 150 except for the area where the image sensor 152 is disposed, but the present invention is not limited thereto, and the coupling member 160 is not limited thereto. may be disposed only on the printed circuit board 150 facing the lower end of the protrusion 112 .
- the distance between the lens module 140 and the image sensor 152 may be adjusted through the coupling member 160 .
- the distance in the optical axis direction between the lens module 140 and the image sensor 152 may be achieved by adjusting the thickness of each region of the coupling member 160 .
- the housing 110 or the coupling member 160 may expand due to the material characteristics of the housing 100 or the coupling member 160 . Accordingly, the distance between the image sensor 152 and the lens module 140 may increase.
- the upper end of the lens module 140 may be fixed by the screw coupling structure between the lens module 140 and the lens holder 120, and the lower end of the lens module 140 through high temperature. It can be inflated to protrude downward. Accordingly, the lens module ( The distance between 140 and the image sensor 152 may become close again.
- the housing 100 or the coupling member 160 may be contracted. Accordingly, the distance between the image sensor 152 and the lens module 140 may become closer.
- the upper end of the lens module 140 is fixed by the screw coupling structure between the lens module 140 and the lens holder 120, and the lower end is lowered by the contraction of the lens module 140. Since it is moved upward, the lens module 140 is contracted by the distance between the lens module 140 and the image sensor 152 that are closer by the contraction of the housing 100 or the coupling member 160 . The distance between the module 140 and the image sensor 152 may increase again.
- the changed distance between the lens module 140 and the image sensor 152 due to expansion and contraction of the housing 100 , the lens holder 120 , and the coupling member 160 at a high or low temperature is the Since it is compensated through contraction and expansion of the lens module 140, it is possible to minimize the change in the distance between the image sensor 152 and the lens module 140 due to temperature change, and the resolution of the camera module 10 can be stabilized.
- FIG. 5 is a perspective view of a camera module according to a second embodiment of the present invention
- FIG. 6 is a plan view showing an upper surface of the camera module according to a second embodiment of the present invention
- FIG. is a cross-sectional view
- FIG. 8 is an exploded perspective view of a camera module according to a second embodiment of the present invention.
- the camera module 20 may include a housing 200 , a lens holder 220 , a lens module 240 , and a printed circuit board 250 , but this It may be implemented except for some of the configurations, and does not exclude additional configurations.
- the housing 200 may form the external shape of the camera module 20 .
- the housing 200 may accommodate the lens module 240 .
- a space for accommodating the lens module 240 may be formed inside the housing 200 .
- the housing 200 may have a shape in which upper and lower surfaces are opened.
- the cross-sectional shape of the housing 200 may be formed in a rectangular shape.
- the housing 200 and the lens holder 220 may be formed of a plastic material.
- the housing 200 includes a body 210 , a first protrusion 212 protruding downward from the lower surface of the body 210 , and a second protrusion protruding upward from the upper surface of the body 210 . (216).
- the outer surface of the body portion 210 may be disposed to protrude outward than the outer surfaces of the first protrusion 212 and the second protrusion 216 .
- a cross-sectional area of the first protrusion 212 or the second protrusion 216 may be smaller than a cross-sectional area of the body 210 .
- a lower surface of the first protrusion 212 may be disposed to face an upper surface of the printed circuit board 250 .
- a side surface of the first protrusion 212 may form the same plane as a side surface of the printed circuit board 250 .
- a cross-sectional area of the first protrusion 212 defined in a direction perpendicular to the optical axis direction of the camera module 20 may correspond to a cross-sectional area of the printed circuit board 250 .
- the second protrusion 216 may be formed so that a portion of the upper surface of the body 210 protrudes upward.
- the second protrusion 216 may have a ring-shaped cross-section.
- An upper surface of the second protrusion 216 may be disposed to face a lower surface of the lens holder 220 in the optical axis direction.
- the upper surface of the second protrusion 216 may be coupled to the lower surface of the lens holder 220 through a second coupling member 270 to be described later.
- a first space portion 202 may be formed inside the body portion 210 and the second protrusion portion 216 .
- a second space 217 may be formed inside the first protrusion 212 .
- the first space portion 202 and the second space portion 217 may be disposed in a vertical direction.
- the first space 202 and the second space 217 may communicate with each other.
- a cross-sectional area of the second space 217 may be larger than a cross-sectional area of the first space 202 .
- the lens holder 220 may be disposed on the housing 200 .
- the lens holder 220 may be coupled to the upper surface of the housing 200 .
- the lens holder 220 may accommodate at least a portion of the lens module 240 .
- the lens holder 220 may be referred to as a lens barrel.
- a cross-section of the lens holder 220 may be circular.
- the lens holder 220 may have an open top and bottom.
- a third space 224 accommodating at least a portion of the lens module 240 may be disposed inside the lens holder 220 .
- the third space 224 may have a hole shape passing through the lower surface from the upper surface of the lens holder 220 .
- a first coupling part 226 may be disposed on an inner circumferential surface of the third space 224 .
- the first coupling part 226 may be disposed closer to the upper end of the lens holder 220 than the lower end.
- the first coupling part 226 may be disposed to extend a predetermined distance downward in the optical axis direction from the upper end of the lens holder 220 .
- the first coupling portion 226 may include a screw thread or a screw groove formed on an inner surface of the third space portion 224 .
- the lens module 240 may be screw-coupled to the inside of the lens holder 220 through the first coupling part 226 .
- the length of the screw coupling region between the lens holder 220 and the lens module 240 may be formed to be less than 1/2 of the length of the lens module 240 .
- a third protrusion 222 for coupling with the housing 200 may be disposed at a lower portion of the lens holder 220 .
- the third protrusion 222 may have a shape in which a part of the side surface of the lens holder 220 protrudes outward.
- the third protrusion 222 may form a lower end of the lens holder 220 .
- An outer surface of the third protrusion 222 may be disposed outside of an outer surface formed in other regions of the lens holder 220 .
- a portion of the lower surface of the third protrusion 222 may be disposed to face the upper surface of the second protrusion 216 in the optical axis direction.
- the outer surface of the third protrusion 222 may be disposed on the inner side than the outer surface of the second protrusion 216 , but the present invention is not limited thereto.
- the outer surfaces may form a coplanar surface.
- a second coupling member 270 may be disposed between the upper surface of the second protrusion 216 and the lower surface of the third protrusion 222 .
- the camera module 20 may include a lens module 240 . At least a portion of the lens module 240 may be disposed inside the lens holder 220 . An upper end of the lens module 240 may form an upper surface of the camera module 20 . The upper end of the lens module 240 may protrude upward of the camera module 20 than other regions. The lower end of the lens module 240 protrudes downward from the lower end of the lens holder 220 and the lower surface of the body portion 210 , and at least a portion of the lens module 240 is formed in the second space portion 217 . Can be placed in mine.
- the lens module 240 may include a plurality of lenses.
- the lens module 240 may be disposed to face the image sensor 252 of the printed circuit board 250 to be described later in the optical axis direction.
- the lens module 240 may be aligned with the image sensor 252 .
- the optical axis of the lens module 240 may coincide with the optical axis of the image sensor 252 .
- An infrared filter (infrared ray filter, not shown) may be disposed between the lens module 240 and the image sensor 252 .
- a second coupling part 242 may be disposed in a region of the outer surface of the lens module 240 facing the first coupling part 226 .
- the second coupling part 242 may have a shape in which a part of a side surface of the lens module 240 protrudes outwardly perpendicular to the optical axis direction.
- the second coupling part 242 may be disposed adjacent to the upper end of the lens module 240 than the lower end.
- the second coupling part 242 may be disposed to face the first coupling part 226 in a direction perpendicular to the optical axis direction.
- a screw thread or a screw groove may be formed on the outer surface of the second coupling part 242 .
- the lens holder 220 and the lens module 240 may be screw-coupled through the first coupling part 226 and the second coupling part 242 .
- the upper end of the lens module 240 may be screwed to the lens holder 220 .
- the printed circuit board 250 may be disposed under the housing 200 .
- the printed circuit board 250 may be formed in a plate shape, and at least one electronic component for driving the camera module 20 may be disposed on an outer surface of the printed circuit board 250 .
- an image sensor 252 may be disposed on the upper surface of the printed circuit board 250 .
- the image sensor 252 may be disposed to face the lens module 240 in the optical axis direction.
- the image sensor 252 may convert an image of a subject incident through the lens module 240 into an electrical signal.
- the image sensor 252 may be disposed in the second space 217 .
- the printed circuit board 250 may be coupled to the housing 200 .
- a lower end of the first protrusion 212 may be coupled to an upper surface of the printed circuit board 250 .
- a first coupling member 260 may be disposed between the protrusion 212 and the printed circuit board 250 .
- the first coupling member 260 may include epoxy or rubber.
- the first coupling member 260 may be an epoxy applied between the housing 200 and the printed circuit board 250 .
- the first coupling member 260 may not only couple the first protrusion 212 and the printed circuit board 250 to each other, but also prevent foreign substances from being introduced into the second space 217 .
- the cross-section of the first coupling member 260 may be formed in a ring shape.
- a cross-sectional shape of the first coupling member 260 may correspond to a cross-sectional shape of the first protrusion 212 .
- 7 exemplifies that the first coupling member 260 is widely disposed on the upper surface of the printed circuit board 250 excluding the area where the image sensor 252 is disposed, but the present invention is not limited thereto.
- the member 260 may be disposed only on the printed circuit board 250 facing the lower end of the first protrusion 212 .
- the distance between the lens module 240 and the image sensor 252 may be adjusted through the first coupling member 260 .
- the distance in the optical axis direction between the lens module 240 and the image sensor 252 may be achieved by adjusting the thickness of each region of the first coupling member 260 .
- the second coupling member 270 may be disposed between the lens holder 220 and the housing 200 .
- the second coupling member 270 may be disposed between the upper surface of the second protrusion 216 and the lower surface of the third protrusion 222 .
- the second coupling member 270 may include epoxy or rubber.
- the second coupling member 260 may be an epoxy applied between the upper surface of the second protrusion 216 and the lower surface of the third protrusion 222 .
- the second coupling member 270 may not only couple the lens holder 220 and the housing 200 to each other, but also prevent foreign substances from being introduced into the housing 200 .
- the second coupling member 270 may have a ring shape in cross section.
- the distance between the lens module 240 and the image sensor 252 may be adjusted through the second coupling member 270 .
- the distance in the optical axis direction between the lens module 240 and the image sensor 252 may be achieved by adjusting the thickness of each area of the second coupling member 270 .
- a plurality of coupling members including the first coupling member 260 and the second coupling member 270 are disposed in the camera module 20 as an example, but the camera module 20 is You can include only one of them and exclude the other.
- the housing 200, the lens holder 220, the coupling member 260, 270 can be inflated. Accordingly, the distance between the image sensor 252 and the lens module 240 may increase.
- the upper end of the lens module 240 may be fixed by the screw coupling structure between the lens module 240 and the lens holder 220, and the lower end of the lens module 240 through high temperature. It can be inflated to protrude downward. Accordingly, the lens module 240 by the distance between the lens module 240 and the image sensor 252 separated by the expansion of the housing 200 , the lens holder 220 , and the coupling members 260 and 270 . Through the expansion of , the distance between the lens module 240 and the image sensor 252 may become closer again.
- the housing 200 , the lens holder 220 , and the coupling members 260 and 270 may be contracted. Accordingly, the distance between the image sensor 252 and the lens module 240 may become closer.
- the upper end of the lens module 240 is fixed by the screw coupling structure between the lens module 240 and the lens holder 220, and the lower end is lowered by the contraction of the lens module 240. Since it is moved upward, the lens module becomes closer by the distance between the lens module 240 and the image sensor 252 due to the contraction of the housing 200 , the lens holder 220 , and the coupling members 260 and 270 . Through the contraction of 240 , the distance between the lens module 240 and the image sensor 252 may increase again.
- the distance between the lens module 240 and the image sensor 252 is changed due to expansion and contraction of the housing 200 , the lens holder 220 , and the coupling members 260 and 270 at high or low temperatures. is compensated through the contraction and expansion of the lens module 240, so it is possible to minimize the change in the distance between the image sensor 252 and the lens module 240 due to temperature change, and the resolution of the camera module 20 is increased. can be stabilized.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Studio Devices (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Abstract
Description
Claims (10)
- 하우징;상기 하우징 내 배치되는 렌즈 홀더;상기 렌즈 홀더 내 배치되는 렌즈 모듈; 및상기 하우징의 하부에 배치되며, 상기 렌즈 모듈과 마주하는 이미지 센서를 포함하는 인쇄회로기판을 포함하고,상기 렌즈 모듈은 상기 렌즈 홀더의 내면에 나사 결합되고,상기 렌즈 홀더는 상기 하우징의 내면에 나사 결합되고,상기 렌즈 모듈의 나사 결합 영역은 상기 렌즈 모듈의 하단 보다 상단에 인접하게 배치되는 카메라 모듈.
- 제1항에 있어서,상기 하우징은 원통형상의 몸체부 및 상기 몸체부의 하면으로부터 하방으로 돌출되는 돌출부를 포함하고,상기 돌출부와 상기 인쇄회로기판 사이에는 결합부재가 배치되는 카메라 모듈.
- 제2항에 있어서,상기 하우징은 상기 렌즈 홀더가 배치되는 제1공간부와, 상기 돌출부의 내측에 배치되는 제2공간부를 포함하고,상기 렌즈 모듈의 하단은 상기 제2공간부 내 배치되는 카메라 모듈.
- 제3항에 있어서,상기 렌즈 홀더와 상기 하우징이 나사 결합되는 상기 하우징의 내면은 상기 제1공간부인 카메라 모듈.
- 제1항 내지 제4항 중 어느 한 항에 있어서,상기 렌즈 홀더는 상, 하면이 개구되며 상기 렌즈 모듈이 결합되는 제3공간부를 포함하고,상기 제3공간부의 내면에는 상기 렌즈 모듈이 나사 결합되는 결합부가 배치되며,상기 결합부는 상기 렌즈 홀더의 상단에 인접하게 배치되는 카메라 모듈.
- 하우징;상기 하우징의 상부에 배치되는 렌즈 홀더;상기 하우징 및 상기 렌즈 홀더의 내측에 배치되는 렌즈 모듈; 및상기 하우징의 하부에 배치되며, 상기 렌즈 모듈과 마주하는 이미지 센서를 포함하는 인쇄회로기판을 포함하고,상기 렌즈 모듈은 상기 렌즈 홀더의 내면에 나사 결합되고,상기 렌즈 모듈의 나사 결합 영역은 상기 렌즈 모듈의 하단 보다 상단에 인접하게 배치되는 카메라 모듈.
- 제6항에 있어서,상기 하우징과 상기 렌즈 홀더 사이에는 제2 결합부재가 배치되고,상기 제2 결합부재는 에폭시(Epoxy)를 포함하는 카메라 모듈.
- 제7항에 있어서,상기 하우징은 상면으로부터 상방으로 돌출되는 제2돌출부를 포함하고,상기 렌즈 홀더의 하부에는 타 영역보다 외측으로 돌출되는 제3돌출부가 배치되며,상기 제2 결합부재는 상기 제2돌출부와 상기 제3돌출부의 사이에 배치되는 카메라 모듈.
- 제6항 내지 제8항 중 어느 한 항에 있어서,상기 하우징은 원통형상의 몸체부 및 상기 몸체부의 하면으로부터 하방으로 돌출되는 제1 돌출부를 포함하고,상기 제1 돌출부와 상기 인쇄회로기판 사이에는 제1 결합부재가 배치되는 카메라 모듈.
- 제1항 또는 제6항에 있어서,광축 방향을 기준으로, 상기 렌즈 모듈과 상기 렌즈 홀더의 나사 결합 영역의 길이는, 상기 렌즈 모듈의 길이의 1/2 이하인 카메라 모듈.
Priority Applications (4)
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CN202180083246.8A CN116601564A (zh) | 2020-12-10 | 2021-12-09 | 相机模块 |
JP2023533289A JP2023552534A (ja) | 2020-12-10 | 2021-12-09 | カメラモジュール |
EP21903883.3A EP4261612A1 (en) | 2020-12-10 | 2021-12-09 | Camera module |
US18/038,255 US20240004271A1 (en) | 2020-12-10 | 2021-12-09 | Camera module |
Applications Claiming Priority (2)
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KR1020200172217A KR20220082368A (ko) | 2020-12-10 | 2020-12-10 | 카메라 모듈 |
KR10-2020-0172217 | 2020-12-10 |
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WO2022124838A1 true WO2022124838A1 (ko) | 2022-06-16 |
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PCT/KR2021/018690 WO2022124838A1 (ko) | 2020-12-10 | 2021-12-09 | 카메라 모듈 |
Country Status (7)
Country | Link |
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US (1) | US20240004271A1 (ko) |
EP (1) | EP4261612A1 (ko) |
JP (1) | JP2023552534A (ko) |
KR (1) | KR20220082368A (ko) |
CN (1) | CN116601564A (ko) |
TW (1) | TW202232221A (ko) |
WO (1) | WO2022124838A1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000041167A (ja) * | 1998-07-24 | 2000-02-08 | Toshiba Corp | 撮像装置 |
KR20070068607A (ko) * | 2005-12-27 | 2007-07-02 | 삼성전기주식회사 | 카메라 모듈 패키지 |
KR20100104054A (ko) * | 2009-03-16 | 2010-09-29 | 삼성테크윈 주식회사 | 카메라 모듈 및 이를 구비하는 디지털 영상 처리장치 |
KR101217597B1 (ko) * | 2011-12-12 | 2013-01-02 | (주)옵티스 | 카메라 모듈용 오토 포커싱 장치 |
KR20180044558A (ko) * | 2016-10-24 | 2018-05-03 | 엘지이노텍 주식회사 | 렌즈 구동장치, 이를 포함하는 카메라 모듈 및 휴대용 디바이스 |
-
2020
- 2020-12-10 KR KR1020200172217A patent/KR20220082368A/ko unknown
-
2021
- 2021-12-09 TW TW110146147A patent/TW202232221A/zh unknown
- 2021-12-09 US US18/038,255 patent/US20240004271A1/en active Pending
- 2021-12-09 EP EP21903883.3A patent/EP4261612A1/en active Pending
- 2021-12-09 CN CN202180083246.8A patent/CN116601564A/zh active Pending
- 2021-12-09 WO PCT/KR2021/018690 patent/WO2022124838A1/ko active Application Filing
- 2021-12-09 JP JP2023533289A patent/JP2023552534A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000041167A (ja) * | 1998-07-24 | 2000-02-08 | Toshiba Corp | 撮像装置 |
KR20070068607A (ko) * | 2005-12-27 | 2007-07-02 | 삼성전기주식회사 | 카메라 모듈 패키지 |
KR20100104054A (ko) * | 2009-03-16 | 2010-09-29 | 삼성테크윈 주식회사 | 카메라 모듈 및 이를 구비하는 디지털 영상 처리장치 |
KR101217597B1 (ko) * | 2011-12-12 | 2013-01-02 | (주)옵티스 | 카메라 모듈용 오토 포커싱 장치 |
KR20180044558A (ko) * | 2016-10-24 | 2018-05-03 | 엘지이노텍 주식회사 | 렌즈 구동장치, 이를 포함하는 카메라 모듈 및 휴대용 디바이스 |
Also Published As
Publication number | Publication date |
---|---|
EP4261612A1 (en) | 2023-10-18 |
US20240004271A1 (en) | 2024-01-04 |
CN116601564A (zh) | 2023-08-15 |
TW202232221A (zh) | 2022-08-16 |
JP2023552534A (ja) | 2023-12-18 |
KR20220082368A (ko) | 2022-06-17 |
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