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US 12,756,910 B2Granted
Camera module and method for manufacturing same
AssigneeHyundai Mobis Co., Ltd.
InventorsHyung Min Kim, Jae Hyung Park
Life of this patent
Estimating the term…
Abstract
A camera module includes an image sensor, a circuit board on which the image sensor is mounted, a front body housing the image sensor and the circuit board inside and have an opening, and a rear body configured to include a core member that closes the opening, is coupled to the front body, is made of metal, and is joined to the front body, and a resin molded portion that is joined to the core member and is made of a synthetic resin.
Claims16
A camera module comprising:
- an image sensor;
- a circuit board on which the image sensor is mounted;
- a front body housing the image sensor and the circuit board therein and having an opening;
- a rear body including:
- a core member that closes the opening, is coupled to the front body, is made of metal, and is joined to the front body;
- and
- a resin molded portion that is joined to the core member and is made of a synthetic resin;
- and
- a lens unit including at least one lens arranged to be aligned with an optical axis of the image sensor,
- wherein the front body includes a lens insertion hole into which the lens unit is inserted,
- wherein an end portion of the lens insertion hole and a bonding surface of the lens unit, which faces the end portion, are bonded to each other using adhesive, and
- wherein the lens insertion hole includes:
- an overflow prevention wall, positioned at the end portion and protruding along a closed curved path centered on the optical axis;
- an adhesive reservoir groove formed from the overflow prevention wall in a stepped manner and positioned farther from the optical axis than the overflow prevention wall,
- a plurality of outer circumferential protrusions protruding from the end portion in a stepped manner compared to a bottom of the adhesive reservoir groove;
- and
- an uneven portion, wherein a plurality of outer circumferential grooves, formed from the plurality of outer circumferential protrusions in a stepped manner, are arranged alternately, the uneven portion positioned farther from the optical axis than the adhesive reservoir groove.
14 more elements
A camera module comprising:
- an image sensor;
- a circuit board on which the image sensor is mounted;
- a front body housing the image sensor and the circuit board therein and having an opening;
- and
- a rear body including:
- a core member that closes the opening, is coupled to the front body, is made of metal, and is joined to the front body;
- and
- a resin molded portion that is joined to the core member and is made of a synthetic resin,
- wherein the rear body further includes a connector configured to be electrically connected with the circuit board,
- wherein the resin molded portion further includes a connector protector configured to surround the connector and be joined to the connector,
- wherein the circuit board further includes a circuit board terminal protruding from the circuit board for transmitting an electrical signal generated by the image sensor to outside the camera module and configured to be connected with the connector, and
- wherein the connector includes:
- a communication pin configured to be inserted into the circuit board terminal;
- an insulation portion configured to surround the communication pin and be made of an insulating material;
- and
- a metal tube that is made of metal, is spaced apart from the communication pin, surrounds the insulation portion, and is joined to the connector protector.
13 more elements
A method for manufacturing a camera module, the method comprising:
- mounting an image sensor on a circuit board;
- coupling the circuit board to a front body, so that the circuit board is housed in an inner space of the front body, made of metal;
- preparing a rear body that includes a core member, made of metal, and a resin molded portion, made of a synthetic resin and joined to and supported on the core member;
- and
- joining the rear body to the front body by welding the core member and the front body,
- wherein the front body includes a lens insertion hole, and
- wherein the method further includes:
- bonding a lens unit by inserting the lens unit, which has at least one lens, into the lens insertion hole and bonding an end portion of the lens insertion hole to a bonding surface of the lens unit, which faces the end portion, using adhesive, and
- wherein the lens insertion hole includes:
- an overflow prevention wall, positioned at the end portion and protruding along a closed curved path centered on the optical axis;
- an adhesive reservoir groove formed from the overflow prevention wall in a stepped manner and positioned farther from the optical axis than the overflow prevention wall,
- a plurality of outer circumferential protrusions protruding from the end portion in a stepped manner compared to a bottom of the adhesive reservoir groove;
- and
- an uneven portion, wherein a plurality of outer circumferential grooves, formed from the plurality of outer circumferential protrusions in a stepped manner, are arranged alternately, the uneven portion positioned farther from the optical axis than the adhesive reservoir groove.
11 more elements
Dependencies are inferred from the claim text.