An electronic apparatus, includes: a display screen, a reflector and a sensor, wherein a region of the display screen located on a front surface of the electronic apparatus is a first display region, a region of the display screen located on a back surface of the electronic apparatus is a second display region, and the display screen is configured to transmit light; the reflector and the sensor are arranged inside the electronic apparatus, and light transmitted from the first display region or the second display region is reflected by the reflector and then irradiated on the sensor; and the sensor generates an electric signal for fingerprint identification based on the light received. Sharing the sensor under the display screen can therefore be realized, with a single sensor to implement fingerprint collection and identification of a multi-surface display device.

A flat-plate lens and an optical imaging system are provided. The flat-plate lens, includes a first face and a second face, the first face includes a ring-shaped light-transmitting region and a first reflective region surrounded by the ring-shaped light-transmitting region, and the second face includes an imaging region and a second reflective region surrounding the imaging region. The second reflective region is configured to reflect light to the first reflective region, and the first reflective region is configured to reflect light to the imaging region; the second reflective region includes a first mirror. The first mirror is one selected from the group consisting of a free-form curved mirror, an aspheric mirror and a spherical mirror, and the first reflective region includes at least one selected from the group consisting of a free-form curved mirror, an aspheric mirror, a spherical mirror and a plane mirror.

A sensor lens assembly having a non-soldering configuration is provided. The sensor lens assembly includes a circuit board, an optical module fixed on the circuit board, a sensor chip assembled to the circuit board, a plurality of wires electrically coupled to the sensor chip and the circuit board, and a cover that overcovers the sensor chip and the wires. The cover includes a light-permeable sheet and an opaque frame. The light-permeable sheet has a ring-shaped notch recessed in an edge of an inner surface thereof. The opaque frame is formed on the ring-shaped notch and is disposed on the circuit board, the light-permeable sheet and the sensor chip are spaced apart from each other, and the sensor chip and the wires are arranged in a space that is defined by the light-permeable sheet and the opaque frame.

The imaging apparatus comprises a retractable structure with active and inactive positions. An outermost lens group and a lens group actuator are movable along an optical axis. In the inactive position the lens group and the lens group actuator reside close to an image sensor. The lens group actuator is positioned to the same level as the image sensor. In the active position the outermost lens group and the lens group actuator are further from the image sensor along the optical axis. The retractable structure may protrude from the device, covering the imaging apparatus. In one example the structure is reversed, the image sensor protrudes from the device while the outermost lens group is fixed to the device body.

This lens drive device 1 comprises: an autofocus drive unit for performing autofocus using a driving force of a voice coil motor configured from a first coil part 112 and a magnet part 122; and a shake correction drive unit for performing shake correction using a driving force of a voice coil motor configured from a second coil part 231 and the magnet part 122. The magnet part 122 includes first magnets 122A, 122C disposed at two mutually facing sides among the four sides of a substantially rectangular-shaped lens drive device in a plan view, and a second magnet 122B disposed at another side. The side the second magnet 122B faces is designated a no-magnet disposed section R where no magnet is disposed.

Mobile electronic devices comprising a first camera with a first field of view FOV.sub.1, a second, Macro camera with a Macro field of view FOV.sub.M smaller than FOV.sub.1, and a device screen that includes a first screen section configured to display first image data from the first camera and a second screen section configured to display second image data from the Macro camera when both cameras are focused to a distance equal to or smaller than 30 cm.

A lens drive device, including a lens support, a coil winded at a periphery of the lens support; a screening can is covered outside the lens support; a driving magnets is respectively provided on opposite two inner sidewalls of the screening can; a Printed Circuit Board board (PCB board) is provided on a sidewall at another side of the screening can; a Hall chip is provided on the PCB board; a Hall magnet back gasket and a Hall magnet are provided at corresponding positions of the lens support; and the PCB board and the Hall chip thereon and the Hall magnet form a lens position detection unit. Since the driving magnets and the Hall magnet are not hindered to each other in a configuration structure, no obstacle is produced to assembly work, and the further miniaturization and thinning of the lens drive device also become possible.

A periscope lens module of a mobile terminal and the mobile terminal are disclosed. The periscope lens module includes a motor housing and a lens. The lens includes an enclosure, a first lens, and a second lens. The enclosure includes a first cylinder and a second cylinder connected to the first cylinder. At least one gap penetrating a sidewall of the first cylinder is disposed on the sidewall. The first lens is fastened in the first cylinder, and the second lens is fastened in the second cylinder.

The present invention is directed to a method and means for enabling contact lens wearers to photograph their own eyes using an electronic device with a camera such as an iPhone with a macro lens, for example, Olloclip® Macro Pro Lens Set 7× lens, and a custom three-dimensional printed eyecup attachment. The eyecup attachment is designed to position the camera at a suitable and reproducible distance from the eye to ensure that the system can focus appropriately on the lens details. The eyecup attachment also serves to block stray light and diffuse the ambient lighting. In addition, the eyecup attachment ensures that the camera is held in the correct orientation while photos are being captured. The capture images are analyzed using image processing software to determine the angel of rotation of the contact lens.

A lens module includes a carrier having an internal space; a lens unit including a plurality of lens groups, and installed in the carrier to move at least one of the lens groups in a length direction of the carrier; a lens guide unit including a plurality of guide members arranged on first and second surfaces of the plurality of lens groups, to guide movement of at least two lens groups of the plurality of lens groups; and a plurality of driving wires connected to each of the plurality of guide members. The carrier includes an auxiliary guide member having an auxiliary guide hole, and disposed on at least one of the first and second surfaces of the plurality of lens group, the auxiliary guide hole being disposed parallel to a movement direction of the at least two lens groups to guide movement of the at least two lens groups.