An optical unit with a shake correction function includes a movable body having a lens, a turning support mechanism structured to turnably support the movable body around an optical axis of the lens, a gimbal mechanism structured to turnably support the turning support mechanism, a fixed body which supports the movable body through the gimbal mechanism and the turning support mechanism, a shake correction magnetic drive mechanism, and a rolling correction magnetic drive mechanism. The turning support mechanism includes a plate roll fixed to the movable body, a plate holder provided with a facing part which faces the plate roll in a direction of the optical axis, and a turning mechanism which is provided between the plate roll and the facing part and is structured so that the plate roll is turnable with respect to the plate holder. The gimbal mechanism turnably supports the plate holder around the first axis.

An optical element driving mechanism is provided. The optical element driving mechanism includes a first holder, a second holder, a plate, a biasing assembly, and an electromagnetic driving assembly. The first holder holds a first optical element with a first optical axis. The second holder holds a second optical element with a second optical axis. The plate is disposed below the first holder and the second holder. The biasing assembly forces the first holder to move relative to the plate on a plane substantially perpendicular to the first optical axis, and includes a biasing element, wherein when a driving signal is applied to the biasing element, a length of the biasing element is changed. The electromagnetic driving assembly forces the second holder to move relative to the plate and comprising a first magnetic element and a coil.

An apparatus arranged for deflecting an optical component for alignment purposes of the optical component with a further optical component, wherein the apparatus comprises a plurality of adjacently placed elongate carriers, extending mutually parallel to each other in a longitudinal direction, wherein two adjacently placed elongate carriers have a spacing between them for receiving a first optical component such that the received optical component rests against two adjacently placed elongate carriers, wherein the two elongate carriers have slopes such that the spacing between the two adjacently placed elongate carriers is smaller at a bottom side compared to the spacing at a top side of the carriers, wherein the carriers comprise piezoelectric material configured to deflect the carriers in a direction perpendicular to the longitudinal direction by actuating the piezoelectric material.

The invention provides an optical module and a projection apparatus. The optical module includes a base, a first frame, an optical element, and at least one first driving assembly. The first frame is disposed in the base and includes a first body and a pair of first shaft portions, the first shaft portion extending outward from the first body, and the first body including a pair of first inner folded edges. The optical element is disposed between the pair of first inner folded edges. The first driving assembly and the optical element abut against two opposite sides of one of the first inner folded edges, respectively, and the first driving assembly is configured to drive the first body to swing relative to the base by taking the first shaft portion as a rotating shaft.

A suspension assembly is described. A suspension assembly including a support member configured to receive at least a first circuit member. The first circuit member including at least a trace. The first circuit member disposed on the support member.

A biaxial tilting device includes: a frame body; and a tilting and driving mechanism configured to drive a member to be tilted so as to be tilted in the frame body, wherein, in an XYZ orthogonal coordinate system, the frame body includes a first gimbal frame opposed to two of the side surfaces of the member to be tilted, each extending in a Y-Z plane direction, and a second gimbal frame opposed to other two of the side surfaces of the member to be tilted, each extending in an X-Z plane direction, and wherein the first gimbal frame is coupled to an external member, the second gimbal frame is coupled to the member to be tilted in a tillable manner, and the first gimbal frame and the second gimbal frame are coupled to each other in a tiltable manner.

An optical system is provided. The optical system includes a first assembly and a second assembly. The first assembly includes a first welding portion. The second assembly is affixed on the first assembly and includes a second welding portion. The first welding portion is affixed on the second welding portion by welding.

A suspension assembly is described. A suspension assembly including a support member configured to receive at least a first circuit member. The first circuit member including at least a trace. The first circuit member disposed on the support member.

Provided is an optical module assembly device, including: a fixing member for fixing an optical member to be assembled, a power supply component for supplying power to the optical member to be assembled, and an alignment mechanism for placing a lens to be assembled at the specified position; a beam splitting prism with an in-light surface close to the optical member to be assembled, a first image acquisition device close to a first out-light surface of the beam splitting prism and coaxial with the first out-light surface, and a second image acquisition device close to a second out-light surface of the beam splitting prism and coaxial with the second out-light surface; and a controller configured to control the alignment mechanism to adjust a position of the lens to be assembled according to the images captured by the first image acquisition device and the second image acquisition device.

An apparatus and a method for assembling optical module is provided and the method includes: controlling an alignment mechanism holding a to-be-assembled lens to move at a preset step-size in a preset direction when an optical module to be aligned generates an image; collecting light spots of the images generated by an optical module to be aligned sequentially by an image collecting means, each time the alignment mechanism moves; selecting a light spot with a minimum size from the collected light spots, and determining a movement position of the alignment mechanism when the light spot with the minimum size is collected, as an optimal position; controlling the alignment mechanism to move to the optimal position to align the to-be-assembled lens.