Vehicular camera with pliable material disposed between and contacting stacked pcbs

A vehicular camera, the vehicular camera comprising:

• a lens holder comprising a lens;
• wherein the lens comprises a plurality of lens optics;
• wherein a lens barrel accommodates the plurality of lens optics of the lens;
• a plurality of stacked, overlapping, board-to-board interconnected printed circuit boards;
• wherein the plurality of stacked, overlapping, board-to-board interconnected printed circuit boards comprises at least a first printed circuit board and a second printed circuit board;
• wherein the first printed circuit board comprises a first side and a second side opposite the first side that is separated from the first side by a thickness dimension of the first printed circuit board;
• wherein the second printed circuit board comprises a third side and a fourth side opposite the third side that is separated from the third side by a thickness dimension of the second printed circuit board;
• wherein the third side of the second printed circuit board faces the second side of the first printed circuit board;
• wherein circuitry disposed at the first printed circuit board is electrically connected with circuitry disposed at the second printed circuit board via board-to-board electrical connection;
• wherein the circuitry disposed at the first printed circuit board comprises an imaging sensor, and wherein the imaging sensor is disposed at the first side of the first printed circuit board;
• wherein the imaging sensor is operable to capture image data;
• wherein the first side of the first printed circuit board faces the lens;
• wherein the first side of the first printed circuit board is adhesively bonded to the lens holder via cured adhesive;
• wherein the lens is optically aligned with the imaging sensor;
• wherein optical alignment of the lens with the imaging sensor is, at least in part, maintained via the cured adhesive;
• wherein pliable material is disposed between the second side of the first printed circuit board and the third side of the second printed circuit board, and wherein the pliable material contacts the second side of the first printed circuit board and contacts the third side of the second printed circuit board;
• a rear housing, wherein the rear housing comprises four side walls forming a cavity that is closed at one end by an end wall;
• wherein the cavity formed by the four side walls that is closed by the end wall at one end is open at an opposing other end;
• wherein the cavity has an internal volume sufficient to accommodate at least the plurality of stacked, overlapping, board-to-board interconnected printed circuit boards;
• wherein the open opposing other end of the cavity is dimensioned to allow passage of the plurality of stacked, overlapping, board-to-board interconnected printed circuit boards therethrough;
• wherein the end wall of the rear housing comprises an electrical connector portion;
• wherein the electrical connector portion of the end wall of the rear housing comprises a multi-pin connector of an electrical plug connector;
• wherein the pliable material allows for movement between the first printed circuit board and the second printed circuit board when the plurality of stacked, overlapping, board-to-board interconnected printed circuit boards is being accommodated within the cavity during assembly of the vehicular camera;
• wherein, when the plurality of stacked, overlapping, board-to-board interconnected printed circuit boards is being accommodated within the cavity during assembly of the vehicular camera, the multi-pin connector of the electrical plug connector of the electrical connector portion of the rear housing connects with an electrical connector disposed at a printed circuit board of the plurality of stacked, overlapping, board-to-board interconnected printed circuit boards;
• wherein, with the vehicular camera mounted at a vehicle, the vehicular camera views at least rearward of the vehicle;
• and
• wherein, with the vehicular camera mounted at the vehicle, the electrical connector portion of the rear housing electrically is connectable to a wire harness of the vehicle.

A vehicular camera, the vehicular camera comprising:

• a lens holder comprising a lens;
• wherein the lens comprises a plurality of lens optics;
• wherein a lens barrel accommodates the plurality of lens optics of the lens;
• a plurality of stacked, overlapping, board-to-board interconnected printed circuit boards;
• wherein the plurality of stacked, overlapping, board-to-board interconnected printed circuit boards comprises at least a first printed circuit board and a second printed circuit board;
• wherein the first printed circuit board comprises a first side and a second side opposite the first side that is separated from the first side by a thickness dimension of the first printed circuit board;
• wherein the second printed circuit board comprises a third side and a fourth side opposite the third side that is separated from the third side by a thickness dimension of the second printed circuit board;
• wherein the third side of the second printed circuit board faces the second side of the first printed circuit board;
• wherein circuitry disposed at the first printed circuit board is electrically connected with circuitry disposed at the second printed circuit board via board-to-board electrical connection;
• wherein the circuitry disposed at the first printed circuit board comprises an imaging sensor, and wherein the imaging sensor is disposed at the first side of the first printed circuit board;
• wherein the imaging sensor is operable to capture image data;
• wherein the circuitry disposed at the second printed circuit board comprises an image processor operable to process image data captured by the imaging sensor;
• wherein the first side of the first printed circuit board faces the lens;
• wherein the first side of the first printed circuit board is adhesively bonded to the lens holder via cured adhesive;
• wherein the lens is optically aligned with the imaging sensor;
• wherein optical alignment of the lens with the imaging sensor is, at least in part, maintained via the cured adhesive;
• wherein pliable material is disposed between the second side of the first printed circuit board and the third side of the second printed circuit board, and wherein the pliable material contacts the second side of the first printed circuit board and contacts the third side of the second printed circuit board;
• wherein the pliable material is at least one selected from the group consisting of (i) compliant, (ii) conformable, (iii) malleable and (iv) compressible;
• a rear housing, wherein the rear housing comprises four side walls forming a cavity that is closed at one end by an end wall;
• wherein the cavity formed by the four side walls that is closed by the end wall at one end is open at an opposing other end;
• wherein the cavity has an internal volume sufficient to accommodate at least the plurality of stacked, overlapping, board-to-board interconnected printed circuit boards;
• wherein the open opposing other end of the cavity is dimensioned to allow passage of the plurality of stacked, overlapping, board-to-board interconnected printed circuit boards therethrough;
• wherein the end wall of the rear housing comprises an electrical connector portion;
• wherein the electrical connector portion of the end wall of the rear housing comprises a multi-pin connector of an electrical plug connector;
• wherein the pliable material allows for movement between the first printed circuit board and the second printed circuit board when the plurality of stacked, overlapping, board-to-board interconnected printed circuit boards is being accommodated within the cavity during assembly of the vehicular camera;
• wherein, when the plurality of stacked, overlapping, board-to-board interconnected printed circuit boards is being accommodated within the cavity during assembly of the vehicular camera, the multi-pin connector of the electrical plug connector of the electrical connector portion of the rear housing connects with an electrical connector disposed at a printed circuit board of the plurality of stacked, overlapping, board-to-board interconnected printed circuit boards;
• wherein, with the vehicular camera mounted at a vehicle, the vehicular camera views at least rearward of the vehicle;
• and
• wherein, with the vehicular camera mounted at the vehicle, the electrical connector portion of the rear housing electrically is connectable to a wire harness of the vehicle.