The present disclosure provides an optical lens module. By assembling a first lens barrel, an optical folding element and a second lens barrel, the optical lens module can be miniaturized, image quality of the optical lens module in a compact assembly space can be increased, and the size of a light passage opening of a display panel module can be reduced so as to increase consistency of a display area.

A camera apparatus includes a camera body portion including a prism unit, a lens assembly, and an image sensor unit, a gyro sensor detecting a hand-shake with respect to the camera body portion and outputting gyro sensor information, a driver circuit generating at least one of a prism driving signal for image stabilization of the prism unit and a sensor driving signal for image stabilization of the image sensor unit based on the gyro sensor information, a prism actuator disposed in the camera body portion for driving the prism unit and performing image stabilization on the prism unit in response to the prism driving signal, and a sensor actuator disposed in the camera body portion for driving the image sensor unit and performing image stabilization on the image sensor unit in response to the sensor driving signal.

There are provided a reflecting module for optical image stabilization (OIS) and a camera module including the same. The reflecting module for OIS includes a housing to which a board is coupled, the housing including an opening, a moving holder disposed in an internal space of the housing, an elastic member fixedly coupled to the housing to support the moving holder so that the moving holder is movable, a reflecting member provided on the movable holder, and a driving part including a plurality of magnets provided on the moving holder, and a plurality of coils provided on the board and respectively opposing the plurality of magnets, wherein the plurality of coils are disposed to oppose the plurality of magnets through the opening.

There are provided a reflecting module for optical image stabilization (OIS) and a camera module including the same. The reflecting module for OIS includes a housing to which a board is coupled and including a through-hole, a moving holder connected to the housing by an elastic member, a reflecting member provided on the moving holder, and a driving part providing driving force to the moving holder to move the moving holder relatively with respect to the housing, wherein the elastic member includes a housing fixing part fixed to the housing and a holder fixing part fixed to the moving holder, wherein the driving part includes a magnet provided on the moving holder and a coil provided on the board and opposing the magnet, and wherein the coil is disposed to oppose the magnet through the through-hole.

An optical element driving mechanism is provided and includes a movable portion and a fixed portion. The movable portion includes a carrier for carrying an optical member with a first optical axis. The fixed portion has a top surface, a first side surface and a second side surface. The top surface extends in a direction that is parallel to the first optical axis. The first side surface and the second side surface extend in a direction that is not parallel to the first optical axis from the edge of the top surface and face different sides of the optical member. The shortest distance between the optical member and the first side surface is shorter than the shortest distance between the optical member and the second side surface.

Multi-cameras and in particular dual-cameras comprising a Wide camera comprising a Wide lens and a Wide image sensor, the Wide lens having a Wide effective focal length EFL.sub.W and a folded Tele camera comprising a Tele lens with a first optical axis, a Tele image sensor and an OPFE, wherein the Tele lens includes, from an object side to an image side, a first lens element group G1, a second lens element group G2 and a third lens element group G3, wherein at least two of the lens element groups are movable relative to the image sensor along the first optical axis to bring the Tele lens to two zoom states, wherein an effective focal length (EFL) of the Tele lens is changed from EFL.sub.T,min in one zoom state to EFL.sub.T,max in the other zoom state, wherein EFL.sub.Tmin>1.5×EFL.sub.W and wherein EFL.sub.Tmax>1.5×EFL.sub.Tmin.

Disclosed are an optical path changing unit and a lens assembly comprising same. The optical path changing unit comprises: a base; a prism unit a part of which is connected to the base and the other part of which is arranged to be movable within the base; and first to third optical image stabilizing (OIS) drive units which change the prism unit into a tiltable position.

A folded camera may include folded optics arrangement positioned optically in front of an image sensor. The folded optics arrangement may include one or more light-folding elements and a lens group having one or more lens elements. Light may pass through the folded optics arrangement, within which the light be folded or redirected by the light-folding element, to focus on an image plane on the image sensor. The folded camera may include a shape-memory actuator having one or more shape-memory elements, whose lengths and/or shapes may be controlled by regulating individual temperatures of the shape-memory elements. The shape-memory actuator may move the lens group relative to the image sensor to implement various autofocus (AF) functions. The folded camera may include a voice coil motor (VCM) which may be controlled to move the image sensor relative to the lens group to perform various optical image stabilization (OIS) functions.

According to an embodiment of the present invention, there is provided an aspherical mirror for focusing a laser beam in a linear pattern, the aspherical mirror including: a convex surface diffusely reflecting an irradiated laser beam; and a concave surface reflecting the laser beam such that the laser beam is focused at one point, wherein the laser beam reflected from the convex surface forms a long line beam as an angle of reflection with respect to a curvature of the convex surface changes, and the laser beam reflected from the concave surface is focused at one point on the line beam as an angle of reflection with respect to a curvature of the concave surface changes.

An optical prism that includes an interlock structure that precisely couples to a complementary structure of a refractive lens. For precision, the interlock structure may be formed at the same time and using the same technique as the optical surface of the prism. The interlock structure provides high accuracy when assembling a folded lens system by precisely aligning the object side optical surface of the lens with the image side optical surface of the prism so that the optical axis is centered in the lens. The prism may have refractive power. A portion of the object side surface may be coated with an opaque material to provide an aperture stop at that surface.