Camera actuator and camera module comprising same
An embodiment relates to a camera actuator and a camera module comprising same. A camera actuator according to an embodiment may comprise: a housing; a base which is coupled to the housing and on which a lens assembly is disposed; a shaper unit disposed in the housing; a first driving part coupled to the shaper unit; and a prism unit coupled to the housing. The housing may comprise a housing body having an opening formed therethrough and a housing side part extending from the housing body. The first driving part may be disposed to overlap with the prism unit in the direction vertical to an optical axis.
1. A camera actuator comprising:
a housing;
a base coupled to the housing and on which a lens assembly is disposed;
a shaper unit disposed in the housing;
a first driving part coupled to the shaper unit and including a magnet;
a second driving part disposed on the housing and including a coil; and
a prism unit coupled to the housing,
wherein the housing includes a housing body having an opening and a housing side portion extending from the housing body,
wherein the housing side portion includes a first driving part hole formed in a region facing the first driving part,
wherein the second driving part is disposed in the first driving part hole,
wherein the first driving part overlaps the prism unit in a direction perpendicular to an optical axis, and
wherein the shaper unit includes:
a shaper body including a hole;
a lens unit disposed on the shaper body; and
four protrusions extending laterally from the shaper body, spaced apart from each other and coupled to the first driving part.
2. The camera actuator of claim 1 , comprising:
a guide pin coupled to the base;
a third driving part including a coil and disposed on the base; and
a fourth driving part including a magnet configured to move along the guide pin.
3. The camera actuator of claim 2 , wherein the first driving part is disposed in a first side direction of the housing, and
wherein the fourth driving part is disposed on the base in a direction opposite to the first side direction.
4. The camera actuator of claim 2 , wherein the lens assembly includes first and second lens assemblies configured to move along the guide pin, and
wherein the fourth driving part includes a first magnet disposed on the first lens assembly and a second magnet disposed on the second lens assembly.
5. The camera actuator of claim 4 , wherein the third driving part includes a third-first driving part facing the first magnet and a third-second driving part facing the second magnet.
6. The camera actuator of claim 1 , wherein the lens unit includes a tunable prism or a liquid lens.
7. The camera actuator of claim 1 , wherein the prism unit includes a fixed prism.
8. The camera actuator of claim 1 , wherein the housing includes a plurality of jig holes respectively overlapping the four protrusions of the shaper body,
wherein the housing includes an opening through which light passes, and
wherein the opening in the housing is formed between the plurality of jig holes.
9. The camera actuator of claim 1 , wherein the shaper unit includes a coupling groove to which the first driving part is coupled.
10. A camera actuator comprising:
a first camera actuator configured to perform a zooming function; and
a second camera actuator that is disposed on one side of the first camera actuator and configured to perform an OIS function,
wherein the first camera actuator includes:
a base on which an optical system is disposed,
a guide pin coupled to the base,
a third driving part including a coil and disposed on the base; and
a fourth driving part including a magnet and configured to move along the guide pin,
wherein the second camera actuator includes:
a housing;
a shaper unit disposed in the housing;
a first driving part disposed on the housing, coupled to the shaper unit, and including a magnet;
a second driving part including a coil and disposed on the housing outside the first driving part; and
a prism unit disposed on the shaper unit,
wherein the shaper unit includes:
a shaper body including a hole;
a lens unit disposed on the shaper body; and
four protrusions extending laterally from the shaper body, spaced apart from each other and coupled to the first driving part, and
wherein the prism unit includes a fixed prism.
11. The camera actuator of claim 10 , wherein the third driving part is a coil driving part, and includes a third-first driving part and a third-second driving part,
wherein the fourth driving part includes a first magnet and a second magnet,
wherein the first driving part is disposed in a first side direction of the housing in the second camera actuator, and
wherein the fourth driving part including the first magnet and the second magnet is disposed in the first camera actuator in a direction opposite to the first side direction.
12. The camera actuator of claim 11 , wherein the lens unit of the second camera actuator includes a tunable prism or a liquid lens,
wherein the first camera actuator includes a second circuit board disposed on a sidewall of the base and a gyro sensor disposed on the second circuit board, and
wherein the second circuit board is disposed extending in a vertical axis direction on a horizontal coordinate plane perpendicular to an optical axis.
13. The camera actuator of claim 12 , comprising:
a shield can disposed on an outer surface of the base of the first camera actuator,
wherein the shield can includes a support bracket and a guide groove disposed on the support bracket and having the gyro sensor disposed therein.
14. The camera actuator of claim 13 , wherein the gyro sensor is spaced apart from the second camera actuator and is disposed perpendicular to a side surface of the first camera actuator.
15. The camera actuator of claim 11 , wherein the housing includes a plurality of jig holes respectively overlapping the four protrusions of the shaper body.
16. The camera actuator of claim 15 , wherein the housing includes an opening through which light passes, wherein the opening in the housing is formed between the plurality of jig holes.
17. The camera actuator of claim 11 , wherein the shaper unit includes a coupling groove to which the first driving part is coupled.
18. The camera actuator of claim 10 , wherein the first driving part overlaps the prism unit in a direction perpendicular to an optical axis.