Abstract: A camera module includes a coil member, a magnet member, and a sensor member. The coil member is positioned on a first surface of a fixed unit. The magnet member is positioned on a movable unit and facing the coil member. The sensor member is positioned on a second surface of the fixed unit and configured to sense a position of the movable unit.

Abstract: An actuator driving device includes: a linearizer configured to linearize a first signal, indicative of a displacement of a lens module, to generate a second signal; a position controller configured to generate a position control signal in response to the second signal and a control input signal indicative of a target location of the lens module; and a driver configured to drive an actuator in response to the position control signal.

Abstract: There is provided a lens actuator, including: a lens barrel in which at least one lens is provided on an optical axis; a magnetic part provided on one surface of the lens barrel; and a printed circuit board in which a coil pattern part generating electromagnetic force is provided, the printed circuit board having one surface facing the magnetic part, wherein magnetic material is provided on the other surface of the printed circuit board.

Abstract: An electronic device is provided. The electronic device includes a housing including a first surface facing a first direction, a second surface facing a second direction opposite to the first direction, and a side surface extending between and along a perimeter of the first surface and the second surface, a cover glass corresponding to at least the first surface, a display panel disposed under the cover glass and including an active area exposed through the cover glass, an inactive area surrounding the active area, and a printed circuit board connection portion connected to one end of the inactive area, wherein at least one opening or at least one cutaway portion is formed in the display panel, and a camera module disposed in a space formed by the at least one opening or the at least one cutaway portion and exposed through the cover glass.

Abstract: An attaching and detaching device of a protection cover for protecting an electronic device is provided. The attaching and detaching device includes one or more hook units provided on the protection cover; and one or more attaching and detaching units which are provided at positions corresponding to the hook units on a rear surface of the electronic device, and are latched and fixed to or released from the hook units.

Abstract: Disclosed herein is a camera module in which a movement of a magnet is controlled by only magnetic force between the magnet and a yoke without a spring for controlling the movement of the magnet which operates up and down. The camera module includes: a lens module; and a main frame supporting the lens module and allowing the lens module to be driven in an optical axis direction, wherein the lens module includes: a lens assembly including a plurality of lenses; and a magnet fixed to one side of the lens module, and the main frame includes: a coil facing the magnet, fixed to one side within the main frame, and generating an electric field as power is applied thereto; and a yoke disposed to face the magnet with the main frame and the coil interposed therebetween and controlling driving of the lens module by attraction with the magnet.

Abstract: An actuator driving device includes: a linearizer configured to linearize a first signal, indicative of a displacement of a lens module, to generate a second signal; a position controller configured to generate a position control signal in response to the second signal and a control input signal indicative of a target location of the lens module; and a driver configured to drive an actuator in response to the position control signal.

Abstract: A camera module includes a housing having a guide groove formed therein, the guide groove being extended lengthwise in an optical axis direction, a lens barrel mounted in the housing and having a guide protrusion inserted into the guide groove, and an elastic member disposed on the guide groove so that the guide protrusion may be prevented from being separated from the guide groove.

Abstract: A camera module includes a fixed unit having an accommodating space; a moveable unit disposed in the accommodating space; an actuator configured to drive the movable unit in an optical axis direction; a substrate, disposed on a first side surface of the fixed unit, including a coil member of the actuator disposed on a first surface of the substrate; and connection pads, disposed on a second surface of the substrate, electrically connected to the coil member.

Abstract: A camera module includes a coil member, a magnet member, and a sensor member. The coil member is positioned on a first surface of a fixed unit. The magnet member is positioned on a movable unit and facing the coil member. The sensor member is positioned on a second surface of the fixed unit and configured to sense a position of the movable unit.

Abstract: A camera module includes a first housing having at least one fixed lens mounted therein, a second housing coupled to the first housing and having a movable lens mounted therein, and an actuator configured to move the second housing relative to the first housing.

Abstract: An actuator and camera module having a carrier accommodating a lens portion; a magnet disposed on an outer circumferential surface of the carrier; a housing comprising an opening formed in an upper surface of the housing wherein lateral surfaces of the carrier and the magnet are disposed within the housing; a coil portion disposed on a lateral surface of the housing configured to face the magnet; a flexible printed circuit board comprising a terminal portion, formed on one surface of the flexible printed circuit board, configured to supply power to the coil portion, wherein the flexible printed circuit board is coupled to the housing; and a reinforcing portion protruding from a lower surface of the housing to support a rear surface of the terminal portion.

Abstract: An actuator including a printed circuit board comprising an external connection pad formed on one surface of the printed circuit board; a magnet disposed to face another surface of the printed circuit board; a coil portion disposed on the one surface of the printed circuit board; and a driver integrated circuit (IC), installed on the one surface of the printed circuit board, configured to control a current applied to the coil portion.

Abstract: A camera module includes a housing having a guide groove formed therein, the guide groove being extended lengthwise in an optical axis direction, a lens barrel mounted in the housing and having a guide protrusion inserted into the guide groove, and an elastic member disposed on the guide groove so that the guide protrusion may be prevented from being separated from the guide groove.

Abstract: Disclosed herein is a camera module. The camera module includes: a lens barrel with a built-in lens collecting external images; a housing that has a receiving space in which the lens barrel is received; a driving part that is configured to include a magnet and a coil and provides a first driving force that drives the lens barrel upward and a second driving force that drives the lens barrel downward by an electromagnetic force that is generated from the magnet and the coil; a guide ball that is provided between the lens barrel and the housing and guides the motion of the lens barrel; and a position detection part that senses the position of the lens barrel, wherein the driving part drives the lens barrel upward and downward so that a preload part that provides preload returning the lens barrel to its initial position is not required.

Abstract: Disclosed herein is a camera module in which a movement of a magnet is controlled by only magnetic force between the magnet and a yoke without a spring for controlling the movement of the magnet which operates up and down. The camera module includes: a lens module; and a main frame supporting the lens module and allowing the lens module to be driven in an optical axis direction, wherein the lens module includes: a lens assembly including a plurality of lenses; and a magnet fixed to one side of the lens module, and the main frame includes: a coil facing the magnet, fixed to one side within the main frame, and generating an electric field as power is applied thereto; and a yoke disposed to face the magnet with the main frame and the coil interposed therebetween and controlling driving of the lens module by attraction with the magnet.