Camera module
A camera module includes a housing, a lens, an assembly, a terminal, and an electronic component. The housing includes a front surface part, a rear surface part on the opposite side to that, and a side surface part connecting the front surface part and the rear surface part. The lens is exposed from the front surface part. The assembly includes an image sensor and is located on the rear surface part side relative to the lens. The terminal is located at the rear surface part for connection with an outside part. A flexible board includes a part extending from the assembly toward the terminal. The electronic component is mounted on the flexible board.
1. A camera module comprising:
a housing which comprises a front surface part, a rear surface part that is opposite to the front surface part, and a side surface part connecting the front surface part and the rear surface part,
a lens exposed from the front surface part,
an assembly which includes an image sensor, and is located between the front surface part and the rear surface part,
a terminal which is located at the rear surface part and is used for connection with an outside part,
a flexible board which extends from the assembly to the terminal, and
an electronic component mounted on the flexible board,
wherein
the flexible board comprises
a terminal connection part which faces an inner surface of the rear surface part, and is connected with the terminal,
a relay part which extends from part of an outer edge of the terminal connection part to the assembly, and
an extending part which extends from another part of the outer edge of the terminal connection part, and
the electronic component is mounted in the extending part.
2. The camera module according to claim 1 , wherein:
the extending part comprises an overlapping region capable of overlapping an inner surface of the side surface part, and
the electronic component is mounted in the overlapping region.
3. The camera module according to claim 2 , wherein:
the housing comprises a plurality of side surface parts connecting the front surface part and the rear surface part,
the flexible board comprises a plurality of extending parts, each extending part of a plurality of extending parts extending from the terminal connection part toward a corresponding side surface part of the plurality of side surface parts, and
any of a plurality of electronic components is mounted in the overlapping region in the each extending part of the plurality of extending parts.
4. The camera module according to claim 3 , wherein a total of numbers of the relay part and the plurality of extending parts, and the number of the plurality of side surface parts are the same.
5. The camera module according to claim 1 , wherein:
the flexible board comprises
an insulating and film-shaped base material,
a first conductive layer which is superposed on one major surface of the film-shaped base material and includes a conductor pattern on which the electronic component is mounted,
a second conductor layer which is superposed on another major surface of the film-shaped base material and, in a plane perspective when laying out the flexible board, extends from a periphery of the terminal to a region overlapping the electronic component, the second conductor layer having a reference potential.
6. The camera module according to claim 1 , wherein the electronic component configures at least one of a power supply part supplying power to the image sensor and a processing part processing a signal from the image sensor.
7. A camera module comprising:
a housing which comprises a front surface part, a rear surface part that is opposite to the front surface part, and a side surface part connecting the front surface part and the rear surface part,
a lens exposed from the front surface part,
an assembly which includes an image sensor, and is located between the front surface part and the rear surface part,
a terminal which is located at the rear surface part and is used for connection with an outside part,
a flexible board which extends from the assembly to the terminal, and
an electronic component mounted on the flexible board, wherein:
the flexible board comprises
a terminal connection part which faces an inner surface of the rear surface part, and is connected to the terminal,
a relay part which extends from the terminal connection part to the assembly, and
a branched part which extends out of the relay part so as to be branched with respect to the terminal connection part, and
the electronic component is mounted on the branched part.
8. The camera module according to claim 7 , wherein:
the flexible board comprises
an insulating and film-shaped base material,
a first conductive layer which is superposed on one major surface of the film-shaped base material and includes a conductor pattern on which the electronic component is mounted,
a second conductor layer which is superposed on another major surface of the film-shaped base material and, in a plane perspective when laying out the flexible board, extends from a periphery of the terminal to a region overlapping the electronic component, the second conductor layer having a reference potential.
9. A camera module, comprising:
a housing which comprises a front surface part, a rear surface part that is opposite to the front surface part, and a side surface part connecting the front surface part and the rear surface part,
a lens exposed from the front surface part,
an assembly which includes an image sensor, and is located between the front surface part and the rear surface part,
a terminal which is located at the rear surface part and is used for connection with an outside part,
a flexible board which extends from the assembly to the terminal, and
an electronic component mounted on the flexible board, wherein:
the flexible board comprises
a terminal connection part which faces an inner surface of the rear surface part, and is connected to the terminal,
a relay part which extends from part of an outer edge of the terminal connection part to the assembly, and
an extending part which extends out of another part of the outer edge of the terminal connection part or extends out of the relay part so as to be branched from the terminal connection part,
the electronic component is mounted on the extending part, and
the extending part comprises at least one of a first bent part and a second bent part between a root of the extending part and the electronic component, wherein the first bent part is bent when viewed on a plane when laying out the flexible board, and the second bent part is bent in a direction of a bending of a surface of the flexible board.
10. The camera module according to claim 9 , wherein the extending part comprises the second bent part, and the second bent part is alternately bent two or more times in the direction of the bending of the surface of the flexible board.
11. The camera module according to claim 9 , wherein:
the flexible board comprises
an insulating and film-shaped base material,
a first conductive layer which is superposed on one major surface of the film-shaped base material and includes a conductor pattern on which the electronic component is mounted,
a second conductor layer which is superposed on another major surface of the film-shaped base material and, in a plane perspective when laying out the flexible board, extends from a periphery of the terminal to a region overlapping the electronic component, the second conductor layer having a reference potential.