An optical imaging lens assembly is provided, along an optical axis from an object side to an image side, sequentially includes: a first lens having refractive power; an autofocus assembly; a second lens having refractive power, and an image-side surface of the second lens being a concave surface; a third lens having refractive power, and an image-side surface of the third lens being a convex surface; a fourth lens having refractive power, an object-side surface of the fourth lens being a concave surface, and an image-side surface of the fourth lens being a convex surface; and at least one subsequent lens having refractive power. A radius of curvature of an object-side surface of the autofocus assembly being variable.

The present disclosure provides an optical imaging lens assembly, along an optical axis from an object side to an image side, sequentially includes: a first lens having positive refractive power; an autofocus component; a second lens having a refractive power; a third lens having a refractive power; a fourth lens having a refractive power; and at least one subsequent lens having a refractive power. At least one surface from an object-side surface of the first lens to an image-side surface of the at least one subsequent lens is an aspheric surface; the first lens and the autofocus component are cemented together; and a radius of curvature of an image-side surface of the autofocus component is variable.

SMA actuators and related methods are described. One embodiment of an actuator includes a base; a plurality of buckle arms; and at least a first shape memory alloy wire coupled with a pair of buckle arms of the plurality of buckle arms. Another embodiment of an actuator includes a base and at least one bimorph actuator including a shape memory alloy material. The bimorph actuator attached to the base.

According to one embodiment, an electronic device includes a liquid crystal panel and a camera. The liquid crystal panel includes a display area and an incident light control area. The camera overlaps the incident light control area. The incident light control area includes a first annular light-shielding portion and a second annular light-shielding portion formed inside the first annular light-shielding portion.

A zoom lens is provided which has at least one front optical group with fixed optical power, adapted to receive rays from an observed object, at least one rear optical group with fixed optical power, adapted to convey the rays towards an image plane of a sensor, a lens opening positioned between the front optical group and the rear optical group, a front adaptive lens positioned between the at least one front optical group and the lens opening, and a rear adaptive lens positioned behind the lens opening. The front and rear adaptive lenses are controllable to vary the respective optical power to adjust focal length, magnification, and working distance of the zoom lens.

A camera module includes a liquid lens; a first connection substrate disposed on one of a top or a bottom of the liquid lens; a second connection substrate disposed on a remaining one of the top or the bottom of the liquid lens; a temperature sensor configured to sense a temperature of the liquid lens; and a controller configured to output a heating voltage corresponding to the sensed temperature, wherein at least one of the first or second connection substrate includes a heater configured to generate heat in response to the heating voltage, and wherein the heater is disposed at a position corresponding to at least one of an upper surface or a lower surface of the liquid lens.

An optical element driving mechanism is provided, including a fixed part, a movable part and a driving assembly. The fixed part has a main axis, includes an outer frame and a base. The outer frame has a top surface and a sidewall. The top surface intersects the main axis. The sidewall extends from the edge of the top surface along the main axis. The base includes a base plate intersecting the main axis and securely connected to the outer frame. The movable part moves relative to the fixed part, and connects to an optical element having an optical axis. The driving assembly drives the movable part to move relative to the fixed part. The main axis is not parallel to the optical axis.

A zoom lens module is provided and includes a liquid lens, a rigid lens, and an actuator. The liquid lens has two side surfaces opposite to each other. An optical axis of the liquid lens passes through the two side surfaces, and at least one of two side surfaces is a deformable side surface. The rigid lens has a shaping surface being not flat. The rigid lens is arranged inside or outside the liquid lens, and the shaping surface faces the deformable side surface. The actuator is connected to one of the liquid lens and the rigid lens to drive the deformable side surface and the shaping surface to move relative to each other, so that the shaping surface contacts and presses the deformable side surface to be deformed.

A liquid lens can have a chamber configured to improve the performance of the liquid lens, such as by improving the tilt response time and/or by reducing optical aberrations. The chamber can have sidewalls that conform to a shape of a truncated cone. The cone angle, and wide end diameter, and narrow end diameter can be selected by balancing competing factors. The liquid lens can include two fluids, and the fluid fill ratio can be selected to improve the performance of the liquid lens. In some embodiments, the sidewalls can conform to a portion of a sphere.

An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, a driving assembly, and at least three damping materials. The movable portion is configured to connect an optical member that has an optical axis. The movable portion is movable relative to the fixed portion. The driving assembly drives the movable portion to move relative to the fixed portion. The damping materials are located on an imaginary plane, and the imaginary plane is parallel to the optical axis.