An exemplary embodiment of the present disclosure includes a PCB mounted with an image sensor, a base installed at an upper surface of the PCB to centrally form an optical path, a lens holder coupled to an upper surface of the base to form an optical path by being mounted with at least one or more sheets of lenses, a variable lens arranged on the optical path centrally formed at the base to control a refractive index of passing light, and an infrared cut-off coating layer provided on a surface of the variable lens to filter an infrared component from the optical path-passing light.

In this invention, an imaging module and a method for fabricating it are provided. By designing first and second electrodes, a movable part of the second electrode is connected to the flexible part. Upon a voltage being applied to the first and second electrodes, the second electrode moves toward the first electrode, resulting in a stretch and hence a shape change of a flexible part. As a result, the imaging module undergoes a change in terms of focal length, amount of admitted light and/or admissible range of angle of incident light. In particular, a motion controller incorporating the first and second electrodes can be easily fabricated by semiconductor processes to a very small size, making the imaging module very suitable for use in electronic terminals such as mobile phones with confined enclosure spaces.

The present disclosure relates to a variable focus lens containing graphene, a preparing method of the variable focus lens, a focus controlling method of the variable focus lens, and a display device including the variable focus lens.

An optical zoom in a small form factor suitable for use in mobile devices such as cell phones, security cameras, and other small-scale imaging systems. One or more Alvarez lens pairs are provided, and moved transversely to the optical axis. The combination of one or more Alvarez lens pairs and the actuator permits a zoom power of at least 3× with a lateral displacement distance of the optical components of approximately five millimeters or less.

A lens curvature variation apparatus according to an embodiment includes: a liquid lens including a first electrode and a second electrode, and containing a first liquid and a second liquid forming an interface with each other; a voltage booster including a first switching element, and converting an input voltage into a voltage of a first level higher than the input voltage by a switching operation of the first switching element; a lens driver applying a driving voltage for adjusting the interface to the first electrode and the second electrode by using the voltage of the first level; a sensor unit sensing the interface controlled by the driving voltage; and a control unit controlling the lens driver so that the liquid lens forms a target interface based on information of the interface sensed by the sensor unit, wherein the voltage booster is deactivated during a sensing time at which the interface of the liquid lens is sensed by the sensor unit.

Aspects relate to methods and systems for producing ultra-wide field of view images. In some embodiments, an image capture system for capturing wide field-of-view images comprises an aperture, a central camera positioned to receive light through the aperture, the center camera having an optical axis, a plurality of periphery cameras disposed beside the central camera and pointed towards a portion of the optical axis of the center camera, the plurality of cameras arranged around the center camera, and a plurality of extendible reflectors. The reflectors are configured to move from a first position to a second position and have a mirrored first surface that faces away from the optical axis of the center camera and a second black surface that faces towards the optical axis of the center camera, the plurality of periphery cameras arranged around the center camera.

The invention relates to an autofocus camera (1) comprising:—an image sensor (10),—an optical block (20) comprising a plurality of lenses with fixed focal length,—an optical device (30) with variable focal length comprising:•a deformable membrane (301),•a support (302) to which a peripheral anchoring area (301c) of said membrane is connected,•a cavity (303) filled with a constant volume of fluid, said cavity being delimited at least in part by said membrane (301) and a support wall (302),•an actuation device (304) of a region (301b) of the membrane located between the peripheral anchoring area (301c) and a central part (301a) of the membrane, configured to bend by application of electrical actuation voltage so as to displace some of the fluid volume towards the centre or towards the periphery of the cavity (303), wherein at least one region distinct from the central part (301a) and of the actuation region (301b) of the membrane is stressed mechanically permanently so as to cause permanent deformation of the central part of the membrane by the fluid, the focal distance of the optical device (30) at rest under the effect of said mechanical stress being different from the focal distance of said optical device at rest prior to application of said stress.

A portable electronic device has a device housing, and an electronic camera module in the device housing. The module has a focusing lens to focus light from a scene, an imaging sensor to receive the focused light, and an electro-optic variable aperture to allow different amounts of the light from the scene to reach the imaging sensor. The electro-optic variable aperture may include a first aperture stack placed on a transparent substrate and a second aperture stack placed on the first aperture stack. The first aperture stack defines a first aperture and the second aperture stack defines a second aperture that is larger than the first aperture. Each aperture stack includes a transparent conductive oxide layer that is common with the adjacent aperture stack. Alternatively the electro-optic variable aperture may include an aperture stack that has two transparent conductive oxide layer layers, where one layer is in the form of concentric annuli.

The present exemplary embodiment relates to an imaging lens system according to the present exemplary embodiment comprises: a first lens group comprising at least one solid lens; a second lens group spaced apart from the first lens group and comprising at least one solid lens; and a variable focal lens disposed between the first lens group and the second lens group, wherein the following Conditional Expression is satisfied:

1<THlg1/THlg2<2  [Conditional Expression]

The present disclosure discloses an optical imaging lens group, along an optical axis from an object side to an image side, sequentially includes: an autofocus assembly, a first lens, a second lens, a third lens, a fourth lens, and at least one subsequent lens, where, a radius of curvature of an image-side surface of the autofocus assembly is variable.