56results about How to "Realize the focus function" patented technology

The invention relates to a double-camera module. The double-camera module comprises a circuit board, two image sensors, a base, a housing, a drive mechanism and two lens units. A first accommodating space, a second accommodating space cavity and a third accommodating space are formed in the housing; and the drive mechanism comprises a first carrier, a second carrier, a third carrier, an upper spring leaf, a lower spring leaf, a magnet and a coil. When the coil is electrified by the circuit board, the second carrier which is wound with the coil can move up and down along a direction of optical axis due to the fact that the coil is applied with Ampere force in magnetic fields generated in the magnet; the second carrier is connected with the first carrier and the third carrier by a connecting rod, and therefore, the second carrier can simultaneously drive the first carrier and the third carrier to move up and down, i.e., drive the lens units on the first carrier and the third carrier to move up and down. One drive mechanism is adopted to simultaneously drive the two lens units, and therefore, magnetic interference can be effectively reduced, and the image quality is improved.

The invention discloses an electric-control liquid crystal microlens array capable of achieving focus adjustment and swing. The electric-control liquid crystal microlens array comprises an upper glass substrate, a PI alignment layer, an upper glass substrate ITO transparent electrode, a liquid crystal layer, a plurality of glass spacers, a lower glass substrate and a lower glass substrate ITO transparent electrode. The reverse face of the upper glass substrate is plated with the ITO transparent electrode, and the front face of the lower glass substrate is plated with an ITO transparent electrode. The ITO transparent electrode on the reverse face of the upper glass substrate is provided with four stacked sub electrodes which are separated by silicon dioxide layers and can be subjected to power-up control respectively. The patterns on the four stacked sub electrodes on the reverse face of the upper glass substrate are in a strip type array. The four perpendicular symmetrically-distributed sub electrode arrays form a circular hole array. The PI alignment layer is plated on the ITO transparent upper electrode of the upper glass substrate and the ITO transparent lower electrode of the lower glass substrate. The technical problem that a circular hole liquid crystal microlens array cannot achieve electric-control focus swing in the prior art is solved.

The invention provides a camera capable of realizing focusing well. The camera comprises a lens, a lens mount, and a sensitive chip, wherein the lens is fixed on the lens mount. Besides, the camera is characterized in that: the camera also includes a sensitive chip permanent seat, wherein the sensitive chip is fixed on the sensitive chip permanent seat; screw holes and screws passing through the screw holes are arranged on the sensitive chip permanent seat; guide pillars with internal screw threads are arranged on the lens mount, wherein the guide pillars correspond to the screws; and springs that are used for supporting the sensitive chip permanent seat are sleevedly connected at peripheries of the guide pillars. According to the camera capable of realizing focusing well, the lens position can be maintained to be unchanged; an objective of focusing can be achieved by adjusting the position of the sensitive chip; therefore, not only can a clear image be obtained, but also fastness of the lens can be ensured.

The invention provides an optical zoom motor, a camera shooting device and a mobile terminal. The optical zoom motor comprises a housing, a base, a frame assembly, a support, a lens supporting body, alateral reed, a plurality of lateral coils, a plurality of driving magnets and a driving coil, wherein the housing is provided with a first opening part for avoiding a lens; the base is arranged below the housing, and an accommodating space is formed between the base and the housing; the frame assembly is provided with a second opening part for avoiding the lens; the support is provided with a third opening part for avoiding the lens; the lens supporting body is arranged in the support; the frame assembly is connected with the support through the lateral reed so as to enable the support to drive the lens supporting body to move in the direction perpendicular to the axial direction of the lens; and the driving coil is wound on the lens supporting body and is positioned in a magnetic fieldformed by the driving magnets. According to the invention, the problem that an optical zoom motor in the prior art is poor in use performance is solved.

The invention discloses a counterflow focusing method, comprising the following steps: 1) arranging a lens; 2) arranging an image sensor and a lens seat with a hollow cavity at the lower part are arranged in a focusing range of the lens; 3) arranging a focusing ring for adjusting the distance of the lens and the lens seat, respectively arranging internal threads matched with external threads of anupper screwing part and a lower screwing part on the upper part and the lower part of the focusing ring, rotating the focusing ring, and forcing the lens and the lens seat to close or separate towardthe center of the focusing ring simultaneously by the internal thread thereof, thus realizing the purpose of focusing by adjusting the distance of the lens and the image sensor. The method can focuswith fastness and high efficiency, and can adopt irrotational and symmetrical lens as the lens does not need to rotate; and the device has simple structure, adopts a counterflow focusing mode, has convenient and fast focusing and high focusing precision, improves product performance and is beneficial to the development of enterprises.

The invention relates to a high-resolution whole-set mobile industrial photographing camera lens. The high-resolution whole-set mobile industrial photographing camera lens comprises a front set A with negative focal power, a variable light diaphragm C and a rear set B with positive focal power, which are arranged in sequence along light from a left incident direction to a right incident direction, wherein the front set A is composed of a positive crescent-shaped lens A-1, a double-convex lens A-2 and a double-concave lens A-3; the double-convex lens A-2 and the double-concave lens A-3 are tightly connected to form a first gluing set; the rear set B is composed of a double-concave lens B-1, a double-convex lens B-2, a double-convex lens B-3 and a negative crescent-shaped lens B-4; the double-concave lens B-1 and the double-convex lens B-2 are tightly connected to form a second gluing set; the double-convex lens B-3 and the negative crescent-shaped lens B-4 are tightly connected to form a third gluing set. The high-resolution whole-set mobile industrial photographing camera lens provided by the invention is reasonable in optical structure design, and has high resolution, accurate and stable actions including focusing and the like and has a good hand feeling.

The invention relates to the technical field of an optical lens, in particular to a high-resolution, large-image-plane, small-size and infrared confocal zoom optical system, which is sequentially provided with, from an object side to an image side, a first lens group with a positive focal length, a second lens group with a negative focal length, a diaphragm, a third lens group with a positive focal length, a fourth lens group with a positive focal length and a photosensitive chip. The first lens group, the diaphragm and the third lens group are fixed with respect to the photosensitive chip, the second lens group and the fourth lens group can move forward and backward with respect to the photosensitive chip, the second lens group moves toward the third lens group gradually when the opticalsystem changes from a short focal length to a long focal length, and a focusing effect is realized when the fourth lens group moves with respect to the photosensitive chip. The third lens group includes three lenses, wherein one aspheric lens in the third lens group and one aspheric lens arranged in the second lens group can perform aberration correction. An aspheric lens in the fourth lens groupcan perform correction of the field curvature.

The present invention discloses a camera module motor, a camera module and an electronic device. The camera module motor comprises a housing, an upper spring, a lens carrier, a coil, a lower spring and a pedestal; the housing and the pedestal are embedded to from a hollow holding cavity, the upper spring, the lens carrier, the coil and the lower spring are located in the holding cavity, and a lens is held in the lens carrier, wherein the magnet yoke of the housing has magnetic property. Because the magnet yoke of the housing has magnetic property, the magnet yoke is able to provide a required magnetic field for the coil; when the coil is flowed by current in a certain size, the lens carrier winding the coil may carry the lens to move in the magnetic field provided by the magnet yoke to realize the focusing function of the camera module; and therefore, the camera module motor, camera module and electronic device are able to solve the problem that the size of the camera module motor is large caused by the large space occupied by the magnet, reduce the numbers of parts of the camera module motor and simplify the assembly process of the camera module motor with no need for an individually arranged magnet.

The invention discloses a driving device, a camera module and electronic equipment. The driving device comprises: an inner carrier assembly, wherein the inner carrier assembly comprises a lens mount and a focusing coil, the focusing coil is fixed on the lens mount, the lens mount is provided with a mounting hole, and the mounting hole is used for mounting a lens; an outer carrier assembly, which annularly sleeves the outer side of the inner carrier assembly and comprises a magnet support and a common magnet, wherein the common magnet is arranged on the magnet support, and the position of the common magnet corresponds to the position of the focusing coil; and an anti-shake assembly, which is annularly arranged on the outer side of the outer carrier assembly in a sleeving mode and comprises a fixing support and an anti-shake coil, wherein the anti-shake coil is fixed to the fixing support, the anti-shake coil corresponds to the position of the common magnet, the common magnet is used for generating a magnetic field, and the focusing coil and the anti-shake coil are located in the magnetic field. According to the driving device provided by the invention, the problem of magnetic interference can be avoided.

The invention relates to a driving module, an image acquisition device and electronic equipment. The driving module comprises a first driving assembly and a second driving assembly. The first driving assembly comprises an installation part and a first driving coil arranged on the installation part. The second driving assembly is at least partially located on one side of the first driving assembly, and the second driving assembly comprises a frame, a magnet set, a carrier and a second driving coil. The frame and the first driving coil are arranged at intervals, the magnet set is arranged on the frame, the carrier is movably connected to the frame, and the second driving coil is arranged on the carrier. The second driving assembly is driven by the first driving coil to move in the first direction. The image acquisition device comprises a lens module and the driving module, wherein the lens module is mounted on the carrier. The electronic equipment comprises a shell, a display screen and the image acquisition device, the display screen is connected to the shell, and the image acquisition device is arranged in the shell. The driving module is simple in structure and beneficial to miniaturization design of electronic equipment.

The invention discloses a camera module motor, a camera module and an electronic device, wherein the camera module motor comprises a housing, an upper elastic sheet, a lens carrier, a coil, a lower elastic sheet and a pedestal; the housing and the pedestal are embedded to form a hollow holding cavity; the upper elastic sheet, the lens carrier and the lower elastic sheet are positioned in the holding cavity; a lens is held in the lens carrier; the coil is wound on the surface of a lens shell, and is positioned between the lens shell and a dustproof retaining wall of the housing; and the dustproof retaining wall of the housing has magnetism and can provide a magnetic field required by the movement for the coil, thereby realizing a focusing function of the camera module; and thus, a magnet does not need to be arranged in the holding cavity individually, and the problem of relatively large size of the camera module motor due to relatively large space occupation of the magnet is solved. And meanwhile, the coil is wound on the surface of the lens shell and is positioned between the lens shell and the dustproof retaining wall of the housing, so the size of the camera module motor is further reduced.

The two-section type focusing mechanism includes one lens module and one base. The lens module has optical assembly and is held inside the base together with an image sensor. The lens module is provided with close shot locating mechanism and distant shot locating mechanism; and the base has corresponding locating lugs. After the lens module moves inside the base along the optical axis, the close shot locating mechanism and the distant shot locating mechanism will match with the lugs. The two-section type focusing mechanism capable of realizing close shot and distant shot may be used in various kinds of portable electronic equipment and has simple structure and low cost.

The invention discloses a camera module and electronic equipment. The camera module comprises a lens assembly, an image sensor and a driving assembly, the image sensor is arranged on the image side of the lens assembly; the driving assembly is connected with the lens assembly and/or the image sensor, and is used for driving one of the lens assembly and the image sensor to incline relative to the other one; and/or one of the lens assembly and the image sensor is driven to do translational motion close to or far away from the other one along the optical axis direction. According to the embodiment of the invention, a shooting scheme capable of moving a shaft is provided for the electronic equipment, when the camera module of the electronic equipment is used for shooting a shot object with a large depth, the situation of poor focusing can be well improved, and a good imaging effect is achieved.

The present invention relates to a zoom optical system with high resolution, large image plane, low cost and no stray light. From the object side to the image side, a first lens group having a positive focal length, a second lens group having a negative focal length, an iris diaphragm, a third lens group having a positive focal length, a fourth lens group having a positive focal length and a photosensitive chip are disposed in this order. The first lens group, the iris diaphragm and the third lens group are fixed relative to the photosensitive chip, and the second lens group and the fourth lens group can move back and forth relative to the photosensitive chip. In the process of changing the optical system from the short focal length to the long focal length, the second lens group moves towards the third lens group gradually, and the fourth lens group is moved relative to the photosensitive chip to realize the focusing effect. Both the front end and the rear end lens of the third lens group and the lens at the rear end of the fourth lens group are aspherical lenses. In the scheme, the aspherical lenses can correct aberration and field curvature, so that the zoom optical system obtains higher imaging quality.

The invention provides an under-screen optical fingerprint module and a fingerprint identification mobile terminal, and relates to the technical field of fingerprint identification. The under-screen optical fingerprint module comprises a fixed lens cone, a mobile lens group, a mobile controller and a fingerprint chip attached to a mainboard; the mobile lens group is movably assembled in the fixedlens cone, the fixed lens cone is arranged outside the fingerprint chip in a surrounding manner, the mobile lens group is arranged above the fingerprint chip, and the mobile controller is arranged inthe fixed lens cone, is in transmission connection with the mobile lens group and is used for driving the mobile lens group to move relative to the fingerprint chip. Compared with the prior art, a plurality of devices such as a support, a motor and a conventional lens are omitted, the fixed lens cone is integrated, the structure is simple, and the problems that an original focusing scheme is complex in structure, high in process difficulty, multiple in procedure and the like are solved. A focusing mode can be better realized, the clewest state of the image can be captured, and the fingerprintidentification capability and the safety of safety unlocking can be better improved.