US-12621553-B2 - Camera module

US12621553B2US 12621553 B2US12621553 B2US 12621553B2US-12621553-B2

Abstract

A camera module comprises: a first body including a lens; a second body coupled to the first body; a shield member coupled to the second body; a substrate disposed within the shield member; and a fastening member coupling the substrate and the shield member to the second body, wherein the shield member includes a bottom plate and a first coupling part protruding from the bottom plate to support the substrate.

Inventors

Min Woo Lee
Sun Min Hwang

Assignees

LG INNOTEK CO., LTD.

Dates

Publication Date: 20260505
Application Date: 20220818
Priority Date: 20210823

Claims (19)

1 . A camera module comprising: a first body including a lens; a second body coupled to the first body; a shield member coupled to the second body; a substrate disposed within the shield member; and a fastening member coupling the substrate and the shield member to the second body, wherein the shield member includes a bottom plate and a side plate extending upward from an edge of the bottom plate and a first coupling part protruding from the bottom plate to support the substrate, wherein an upper surface of the first coupling part is positioned below an upper surface of the side plate, wherein the upper surface of the side plate is positioned above an upper surface of the substrate, wherein a coupling groove having a concave shape is positioned in an area corresponding to a formation area of the first coupling part on a lower surface of the shield member, and wherein the second body includes a second coupling part that is coupled to the coupling groove.
2 . The camera module of claim 1 , wherein the first body is coupled to the second body by an adhesive.
3 . The camera module of claim 1 , wherein the first coupling part of the shield member includes a fourth hole into which the fastening member is inserted.
4 . The camera module of claim 3 , wherein the substrate includes a second hole formed in a position corresponding to the fourth hole of the shield member, and the fastening member is inserted into the second hole.
5 . The camera module of claim 4 , wherein the fastening member includes a screw, and the second body includes a first hole into which the screw is threaded.
6 . The camera module of claim 1 , wherein the fastening member is integrally formed with the second body.
7 . The camera module of claim 1 , wherein the fastening member is formed extending from one end of the second coupling part of the second body.
8 . The camera module of claim 1 , wherein the first body is spaced apart from the substrate.
9 . The camera module of claim 1 , comprising a connector connected to the substrate, wherein the shield member includes a guide extending from a bottom surface to support the connector.
10 . The camera module of claim 9 , wherein the guide includes a first region extending from the bottom surface and a second region bent at one end of the first region.
11 . The camera module of claim 10 , wherein a protruding area that protrudes inward and presses an outer surface of the connector is disposed on an inner surface of the second region.
12 . The camera module of claim 1 , wherein the first body includes a first side plate with a first groove formed at an end, and wherein the second body includes a second side plate at an end having a second protrusion facing the first groove.
13 . The camera module of claim 12 , wherein an adhesive is disposed between the first groove and the second protrusion.
14 . The camera module of claim 1 comprising an image sensor disposed on the substrate, wherein when the first body and the second body are combined, an optical axis of the lens and the image sensor are aligned.
15 . A camera module comprising: a lens part including a lens and a first body; an image sensor part coupled to the lens part, the image sensor part including a substrate on which an image sensor is disposed and a second body to which the substrate is coupled; and a connector electrically connected to the image sensor part, wherein the image sensor part includes a shield member including a bottom plate and a side plate extending upward from an edge of the bottom plate and a first coupling part protruding from the bottom plate to support the substrate, wherein an upper surface of the first coupling part is positioned below an upper surface of the side plate, wherein the upper surface of the side plate is positioned above an upper surface of the substrate, wherein a coupling groove having a concave shape is positioned in an area corresponding to a formation area of the first coupling part on a lower surface of the shield member, and wherein the second body includes a second coupling part that is coupled to the coupling groove.
16 . The camera module of claim 15 , wherein the first body is coupled to the second body by an adhesive.
17 . The camera module of claim 16 , wherein the first body includes a first side plate with a first groove formed at an end, and wherein the second body includes a second side plate at an end having a second protrusion facing the first groove.
18 . The camera module of claim 17 , wherein the adhesive is disposed between the first groove of the first body and the second protrusion of the second body.
19 . The camera module of claim 15 , wherein the shield member includes a guide extending from a bottom surface to support the connector, and wherein the guide includes a first region extending from the bottom surface and a second region bending at one end of the first region.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application is the U.S. national stage application of International Patent Application No. PCT/KR2022/012351, filed Aug. 18, 2022, which claims the benefit under 35 U.S.C. § 119 of Korean Application No. 10-2021-0111122, filed Aug. 23, 2021, the disclosures of each of which are incorporated herein by reference in their entirety. TECHNICAL FIELD The teachings in accordance with exemplary and non-limiting embodiments of this invention relate generally to a camera module. BACKGROUND ART In recent years, subminiature camera modules have been developed, and subminiature camera modules are widely used in small electronic products such as smartphones, laptops, game consoles, etc. With the popularity of automobiles, subminiature cameras are not only used in small electronic products, but also in vehicles. For example, subminiature cameras are used as black box cameras for vehicle protection or objective data of traffic accidents, rear view cameras that allow the driver to monitor the blind spots at the rear of the vehicle through the screen to ensure safety when reversing, and perimeter detection cameras that can monitor the surroundings of the vehicle. The camera may include a lens, a lens holder for receiving the lens, an image sensor for converting an image of a subject gathered by the lens into an electrical signal, and a printed circuit board on which the image sensor is mounted. The housing forming the exterior of the camera may have an enclosed structure throughout to inhibit contamination of the internal components with foreign matter, including moisture. DETAILED DESCRIPTION OF INVENTION Technical Subject It is an object of the present exemplary embodiment to provide a camera module in which the distance between the lens and the image sensor can be easily aligned and the printed circuit board can be firmly fixed within the body. Furthermore, it is possible to provide a structure for alignment regardless of whether the lens is aligned with the image sensor or the image sensor is aligned with the lens. Technical Solution In one general aspect of the present invention, there may be provided a camera module comprising: a first body including a lens;a second body coupled to the first body;a shield member coupled to the second body;a substrate disposed within the shield member; anda fastening member coupling the substrate and the shield member to the second body, whereinthe shield member includes a bottom plate and a first coupling part protruding from the bottom plate to support the substrate. Preferably, but not necessarily, the first body may be coupled to the second body by an adhesive. Preferably, but not necessarily, the first coupling part of the shield member may include a fourth hole into which the fastening member is inserted. Preferably, but not necessarily, the substrate may include a second hole formed in a position corresponding to the fourth hole in the shield member, and the fastening member may be inserted into the second hole. Preferably, but not necessarily, the fastening member may include a screw, and the second body may include a first hole into which the screw is threaded. Preferably, but not necessarily, the fastening member may be integrally formed with the second body. Preferably, but not necessarily, the second body may include a second coupling part corresponding to a shape of the first coupling part of the shield member. Preferably, but not necessarily, the fastening member may be formed extending from one end of the second coupling part of the second body. Preferably, but not necessarily, the first body may be spaced apart from the substrate. In another general aspect of the present invention, there may be provided a camera module comprising: a lens part; an image sensor coupled to the lens part; anda connector in electrical communication with the image sensor, wherein the image sensor includes a back cover, a shield member coupled to the back cover, and a substrate disposed within the shield member and having the image sensor disposed on an upper surface, the shield member including a guide extending from a bottom surface to support the connector. Preferably, but not necessarily, the lens part may include a front cover, and the front cover may be coupled to the rear cover by an adhesive. Preferably, but not necessarily, the front cover may include a first sidewall having a first groove formed at an end, and the rear cover may include a second sidewall having a second protrusion formed at a corresponding position of the first groove of the front cover at an end. Preferably, but not necessarily, the adhesive may be disposed between the first groove of the front cover and the second protrusion of the rear cover. Preferably, but not necessarily, the guide may include a first region extending from the bottom surface and a second region bending at one end of the first region. In still another general aspect of the present invention, there may