A light path adjustment mechanism includes a bracket, a light valve, a carrier, a first axis, a second axis and an optical plate member. A surface normal of a surface of the light valve crosses the bracket to define an intersection closest to the surface of the light valve, and the bracket has an end point furthest from the intersection measured in the direction of the surface normal. A distance between the intersection and the surface measured in the direction of the surface normal is smaller than a distance between the intersection and the end point measured in the direction of the surface normal.

Described is a device for placing markings on components. The device comprises a contact part to be placed against the component, a sliding element which is arranged slidably on the contact part between a first and a second position, and a reflector which is connected to the sliding element. The contact part comprises at least one continuous marking hole defining a marking point. The marking point and the reflector are arranged along an alignment axis when the sliding element is in the first position. In a second position of the sliding element, the marking hole is accessible.

An optical element driving mechanism including a fixed part, a movable part, a first driving assembly, a second driving assembly, and a magnetic-permeable element is provided. The fixed part includes a bottom. The movable part holding an optical element with an optical axis is movable relative to the fixed part. The first driving assembly includes a first magnetic element and a first coil arranged along a first direction. The second driving assembly includes a second magnetic element and a second coil arranged along the first direction. The first driving assembly and the second driving assembly drive the movable part to move relative to the fixed part along a second direction and a third direction, respectively. The first direction, the second direction, and the third direction are different. When viewed in the optical axis, the first driving assembly at least partially overlaps the second driving assembly.

The invention provides a prism module and a folded lens. The prism module includes a housing having an accommodation cavity, a prism assembly, a rotation shaft for rotationally connecting the prism assembly and the housing, a driving assembly for driving the prism assembly to rotate around the rotation shaft and a restoring assembly for resetting the prism assembly. The restoring assembly includes a first magnet and a second magnet. The first magnet is fixed on the prism assembly, and the second magnet is fixed on the housing and is set opposite to the first magnet with distance. The prism module of the invention can realize the resetting of the prism assembly, with small space occupation and convenient for assembly.

An optical unit includes a prism that is formed to have a triangular pole shape and a prism holder to which the prism is fixed by an adhesive. An incident surface on which the light from an outside enters, a reflection surface that reflects light that enters through the incident surface, and an emitting surface through which light reflected on the reflection surface is emitted are formed on the prism. A contact surface to which the reflection surface of the prism contacts, and an adhesive hole in which an adhesive that adheres to the reflection surface of the prism to fix the prism to the prism holder is disposed are formed in the prism holder. The adhesive hole passes through the prism holder.

A driving mechanism for an optical element is provided, including a fixed part, a movable part and a driving assembly. The movable part is configured to connect to the optical element having the optical axis. The movable part is movable relative to the fixed part. The driving assembly is configured to drive the movable part to move relative to the fixed part.

An optical element driving mechanism is provided, including a body, a first driving assembly, a second driving assembly, and an optical element. The body includes a fixed portion, a movable portion, and a connecting element. The movable portion is movable relative to the fixed portion. The connecting element connects the fixed portion to the movable portion. The first driving assembly that is disposed on a first side drives the movable portion to perform a first motion. The second driving assembly that is disposed on the first side drives the movable portion to perform a second motion. The optical element is connected to the movable portion, including an incident surface and an emissive surface, wherein the incident surface is orthogonal to the emissive surface. The first side is not parallel to the incident surface or the emissive surface.

An optical element driving mechanism is provided. The optical element driving mechanism includes a first holder, a fixed portion, a first driving assembly, and a first stopping assembly. The first holder is used for connecting to an optical element. The first holder is movable relative to the fixed portion. The first driving assembly is used for driving the first holder to move relative to the fixed portion. The first stopping assembly is used for restricting the movable range of the first holder relative to the fixed portion.

An optical element driving mechanism is provided, including a movable part, a fixed part, a driving assembly, and a first supporting assembly. The movable part is used for connecting an optical element. The movable part is movable relative to the fixed part. The driving assembly is used for driving the movable part to move relative to the fixed part. The movable part is movable relative to the fixed part through the support of the first supporting assembly. There is a gap between the movable part and the fixed part.

A driving mechanism is provided, including a fixed part, a movable part connected to the fixed part, a first connecting member, and a first wire. The first connecting member is hinged to the fixed part and connected to the movable part. The first wire has SMA material and is connected between the fixed part and the first connecting member. When the first wire contracts in length, the first connecting member rotates relative to the fixed part, and the movable part is driven to move relative to the fixed part.