An optical sensing system is provided, including a sensing module, a light emitter, and a light receiver. The sensing module has a substrate, an optical waveguide disposed on the substrate, and a sensing membrane disposed on the optical waveguide for carrying a specimen. The light emitter emits a sensing light to the optical waveguide, and the light receiver receives the sensing light that propagates through the optical waveguide.

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.

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.

A 3D object information capturing system is provided, including a camera module, a distance measuring module, and a processing module. The camera module captures image information of an object, and the distance measuring module captures distance information of the object. The processing module receives the image information and the distance information respectively from the camera module and the distance measuring module, and constructs a 3D model of the object according to the image information and the distance information.

The present invention relates to an optical system, including a fixed portion, a movable portion, an aperture unit and a first driving assembly. The movable portion is movably connected to the fixed portion and used to hold an optical element. The aperture unit is disposed on the movable portion and corresponds to the optical element. The first driving assembly is disposed in the fixed portion to drive the movable portion to move relative to the fixed portion.

An optical driving mechanism is provided, including a movable portion, a bottom plate and a biasing assembly. The movable portion is configured to sustain an optical element having an optical axis. The bottom plate has a moving member. The biasing assembly has at least one biasing element for driving the movable portion to move relative to the bottom plate. The bottom plate defines a first electrical connection portion and a second electrical connection portion, and the biasing element is connected to the first and second electrical connection portions. The first electrical connection portion has a fixed body, an insulating layer and a conductive layer, which are sequentially overlapped along the optical axis. The conductive layer is directly and electrically connected to the biasing element. When viewed along the optical axis, the insulating layer protrudes from the fixed body and the conductive layer.

A method of operating a liquid lens can include positioning a variable interface between first and second liquids in a brace position in response to a brace trigger event. The variable interface can be adjustable between (a) a rest position in which a perimeter of the variable interface is spaced from a first window of the liquid lens by a rest distance and (b) the brace position in which the perimeter of the variable interface is spaced from the first window by a brace distance. The brace distance can be greater than the rest distance. In the rest position, the variable interface can have a rest surface area. In the brace position, the variable interface can have a brace surface area. The brace surface area can be less than the rest surface area.

The present invention provides a circuit for controlling a voltage for driving liquid lens including a first voltage generator for outputting a first voltage; a second voltage generator for outputting a second voltage having an opposite polarity to the first voltage; a first switch for selecting one of the first voltage and a ground voltage, and transmitting the selected voltage; a second switch for selecting one of the second voltage and the ground voltage, and transmitting the selected voltage; and a third switch for selecting one of a voltage selected by the first switch and the voltage selected by the second switch, and transmitting the selected voltage, wherein the third switches is plural in number, and the first switch is connected in common to the plurality of third switches.

An embodiment of a camera module includes a holder configured such that the upper and lower portions of the holder are open and such that a first hole and a second hole, opposite to the first hole, are formed in the side surface of the holder, a first lens unit coupled to the upper portion of the holder, a second lens unit coupled to the lower portion of the holder, and a liquid lens disposed in the first hole and the second hole of the holder between the first lens unit and the second lens unit, the liquid lens protruding outward from the side surface of the holder, wherein at least a portion of the liquid lens may be spaced apart from the inner surface of the holder.

The present invention relates to an optical device (1), comprising a lens (10) having an adjustable focal length, the lens (10) comprising a container (11) that encloses a lens volume (V) and a reservoir volume (R) that is connected to the lens volume (V), wherein the two volumes (R, V) are filled with a transparent liquid (L), wherein the container (11) further comprises a flat lateral wall structure (12) having a front side (12a) and a back side (12b), an elastically deformable and transparent membrane (20), a transparent cover element (30), and an elastically deformable wall portion (22), wherein the membrane (20) is connected to the back side (12b) of the lateral wall structure (12), wherein the cover element (30) is connected to the front side (12a) of the lateral wall structure (12) such that the lens volume (V) is arranged between the cover element (30) and the membrane (20), and wherein the wall portion (22) is arranged adjacent the reservoir volume (R), and wherein the wall portion (R) comprises an inside (22a) and an outside (22b) facing away from said inside (22a), wherein the inside (22a) contacts the liquid (L) residing in the reservoir volume (R), and wherein the lens (10) further comprises a lens shaper (40) that is connected to the membrane (20) and defines an area (21) of the membrane (20), which area (21) has an adjustable curvature and contacts the liquid (L) in the lens volume (V), and wherein the lens (10) further comprises a movable piston (50) connected to the outside (22b) of the wall portion (22) and configured to act on said outside (22b) to pump liquid (L) from the reservoir volume (R) into the lens volume (V) or from the lens volume (V) into the reservoir volume (R) so as to change the curvature of said area (21) of the membrane (20) and therewith the focal length of the lens (10).