CN103607535A - Camera module for mobile terminal and mobile terminal - Google Patents

Camera module for mobile terminal and mobile terminal Download PDF

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Publication number
CN103607535A
CN103607535A CN201310346692.0A CN201310346692A CN103607535A CN 103607535 A CN103607535 A CN 103607535A CN 201310346692 A CN201310346692 A CN 201310346692A CN 103607535 A CN103607535 A CN 103607535A
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China
Prior art keywords
mobile terminal
camera module
chip
sensor chip
terminal camera
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Pending
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CN201310346692.0A
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Chinese (zh)
Inventor
刘燕妮
齐书
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanchang OFilm Tech Co Ltd
Suzhou OFilm Tech Co Ltd
Nanchang OFilm Optoelectronics Technology Co Ltd
OFilm Group Co Ltd
Original Assignee
Nanchang OFilm Tech Co Ltd
Suzhou OFilm Tech Co Ltd
Nanchang OFilm Optoelectronics Technology Co Ltd
Shenzhen OFilm Tech Co Ltd
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Application filed by Nanchang OFilm Tech Co Ltd, Suzhou OFilm Tech Co Ltd, Nanchang OFilm Optoelectronics Technology Co Ltd, Shenzhen OFilm Tech Co Ltd filed Critical Nanchang OFilm Tech Co Ltd
Priority to CN201310346692.0A priority Critical patent/CN103607535A/en
Publication of CN103607535A publication Critical patent/CN103607535A/en
Pending legal-status Critical Current

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Abstract

The invention provides a camera module for a mobile terminal and a mobile terminal. The camera module for the mobile terminal comprises an optical lens, a voice coil motor, a support, a circuit board, an image sensor chip, a gyroscope sensing chip and a motor driving chip, wherein the circuit board is provided with a first area and a second area at an interval in sequence, the image sensor chip is arranged in the first area, a lower surface of the support is fixedly arranged in the first area, the voice coil motor is fixedly arranged on an upper surface of the support, the optical lens is embedded in a movable frame of the voice coil motor, and the gyroscope sensing chip and the motor driving chip are arranged in the second area. The camera module for the mobile terminal adopts a structure of directly connecting all components in sequence without any additional connecting elements, the voice coil motor for optical anti-vibration does not increase the height of the camera module, the positions of the gyroscope sensing chip and the motor driving chip are close to that of the image sensor chip, the camera module is compact in structural layout, and small in size, and the optical anti-vibration function improves an image effect of the camera module.

Description

Used for mobile terminal camera module and mobile terminal
Technical field
The present invention relates to electronic device technology, relate in particular to a kind of used for mobile terminal camera module and mobile terminal.
Background technology
Along with the trend of the high pixel development of mobile terminal camera module, the camera module of 8,000,000 pixels has become the mainstream configuration of mobile terminal, and indivedual mobile terminals have even also configured the camera module of up to ten million pixels.Yet high pixel is not the unique factor that determines image effect, for the user of the better image effect of pursuit, the anti-shudder performance of camera module is also the key factor that determines image effect.Particularly, the shooting of photo is that the opto-electronic conversion by image sensor chip in camera module realizes, opto-electronic conversion needs certain change-over time, if in this change-over time, camera module is shaken, the image of taking will there will be fuzzy, and the anti-trembling function of camera module is to solve the problem of image blurring that the shake of camera module causes.
On the one hand, existing mobile terminal camera module is subject to volume restriction, what generally adopt is electronic flutter-proof technology, electronic flutter-proof technology is carried out sampling analysis by the image of obtaining on intercepting image sensor chip, and cross the border and compensate edge image as the image of shaking generation, process out final image.Although electronic flutter-proof technology can meet the volume requirement of existing mobile terminal camera module, but its view data belonging to collecting is carried out post-processed, the problem of image blurring that can not cause from basic solution camera module shake, and reduced the utilance of image sensor chip, image sharpness is brought to certain loss, and image effect is poor.On the other hand, the optics being applied in slr camera is anti-shake, although the problem of image blurring that can cause from the shake of basic solution camera module, image effect is good, takies bulkyly, can not meet the volume requirement of mobile terminal camera module.
Summary of the invention
The invention provides a kind of used for mobile terminal camera module and mobile terminal, complicated to solve optics Anti-shaking structure, cannot meet the problem of existing mobile terminal to the requirement of used for mobile terminal camera modular volume, thereby improve the anti-shudder performance of existing used for mobile terminal camera module, and then improve image effect.
The invention provides a kind of used for mobile terminal camera module, wherein, comprising: optical lens, voice coil motor, support, wiring board, image sensor chip, gyroscope sensor chip and motor drive chip;
Described wiring board is arranged at intervals with first area and second area successively, and described image sensor chip is arranged on described first area, and described support is the sheet structure that middle part has through hole, and the lower surface of described support is fixedly installed on described first area;
Described voice coil motor is fixedly installed on the upper surface of described support, described optical lens be embedded in the adjustable shelf of described voice coil motor and with described image sensor chip over against;
Described gyroscope sensor chip and described motor drive chip to be arranged on described second area, and described gyroscope sensor chip and described motor drive chip to be electrically connected to, and described motor drives chip to be electrically connected to described voice coil motor;
Described gyroscope sensor chip is for detection of camera-shake parameter, and sends to described motor to drive chip described camera-shake parameter;
Described motor drives chip for generating jitter compensation control command according to described camera-shake calculation of parameter, and described jitter compensation control command is sent to described voice coil motor;
Described voice coil motor is for driving described optical lens to move cause with compensate for jitter image blurring according to described jitter compensation control command.
Used for mobile terminal camera module as above, wherein, preferably, the height of described used for mobile terminal camera module is 5mm-6mm.
Used for mobile terminal camera module as above, wherein, preferably:
One side of described voice coil motor is provided with a plurality of metal pins, position corresponding to described a plurality of metal pins on described first area is provided with a plurality of pads, described in each, metal pins is welded on respectively described in each on pad, and described a plurality of pads drive chip to be electrically connected to described motor.
Used for mobile terminal camera module as above, wherein, preferably, described support is also provided with the breach that holds described a plurality of metal pins.
Used for mobile terminal camera module as above, wherein, preferably, the lower limb of described through hole is equipped with the first groove, and described image sensor chip is embedded in described the first groove, and described through hole is rectangular through-hole, and described the first groove is rectangle annular groove.
Used for mobile terminal camera module as above, wherein, preferably, described used for mobile terminal camera module also comprises filter, the top edge of described through hole is also equipped with the second groove, the edge of described filter is fixedly installed in described the second groove, and described filter is over against the bottom of described optical lens.
Used for mobile terminal camera module as above, wherein, preferably, be also provided with a plurality of first kind passive devices on described second area, described a plurality of first kind passive devices drive chip around around being arranged on described gyroscope sensor chip and described motor.
Used for mobile terminal camera module as above; wherein, preferably, described used for mobile terminal camera module also comprises diaphragm; described protection membrane cover is located on the top of described optical lens, and the middle part of described diaphragm offers the light hole corresponding with the eyeglass of described optical lens.
Used for mobile terminal camera module as above, wherein, preferably, it is two independently chips or be integrated on a chip that described gyroscope sensor chip and described motor drive chip.
The present invention also provides a kind of mobile terminal, wherein, comprise used for mobile terminal camera module provided by the invention, this used for mobile terminal camera module also comprises motherboard connector, on described wiring board, be also provided with the 3rd region, described the 3rd region and described second area interval arrange, and described motherboard connector is arranged on described the 3rd region;
The mainboard of described mobile terminal is electrically connected to described used for mobile terminal camera module by described motherboard connector.
Used for mobile terminal camera module provided by the invention and mobile terminal, owing to adopting the structure directly each parts being connected successively without additional connector, the anti-shake height that does not increase camera module with voice coil motor of optics, and gyroscope sensor chip and motor drive the position of chip to press close to image sensor chip, camera modular structure compact in design, volume is little, and optics anti-trembling function has improved the image effect of camera module.
Accompanying drawing explanation
The structural representation of the used for mobile terminal camera module that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the explosive view of the module of used for mobile terminal camera shown in Fig. 1.
Reference numeral:
Figure BDA00003646913000031
Embodiment
The structural representation of the used for mobile terminal camera module that Fig. 1 provides for the embodiment of the present invention; Fig. 2 is the explosive view of the module of used for mobile terminal camera shown in Fig. 1.In conjunction with Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of camera module, wherein, comprising: optical lens 50, voice coil motor 40, support 30, wiring board 20, image sensor chip 24, gyroscope sensor chip 25 and motor drive chip 26.
Wiring board 20 is arranged at intervals with first area 21 and second area 22 successively, image sensor chip 24 is arranged on first area 21, support 30 has the sheet structure of through hole 31 for middle part, the lower surface of support 30 is fixedly installed on first area 21, through hole 31 is for when camera module is worked, make can reach image sensor chip 24 by the light of optical lens, image sensor chip 24 can be complementary metal oxide semiconductors (CMOS) (Complementary Metal Oxide Semiconductor, be called for short CMOS) image sensor chip or charge coupled device (Charge Coupled Device, be called for short CCD) image sensor chip.
Voice coil motor 40 is fixedly installed on the upper surface of support 30, optical lens 40 be embedded in the adjustable shelf 41 of voice coil motor 40 and with image sensor chip 24 over against.
Gyroscope sensor chip 25 and motor drive chip 26 to be arranged on second area 22, gyroscope sensor chip 25 and motor drive chip 26 to be electrically connected to, motor drives chip 26 to be electrically connected to voice coil motor 40, motor drives chip 26 to select optical image stabilizer (Optical Image Stabilizer according to user demand, be called for short OIS) motor driving chip or image stabilizer (Image Stabilizer, be called for short IS) motor driving chip, OIS motor drives chip to drive the pattern that optical lens moves to drive chip more than IS motor by velocity of sound motor, OIS motor drives chip can realize the optical lens Move Mode such as translation and angular deflection up and down, anti-shake effect is better.
Gyroscope sensor chip 25 is for detection of camera-shake parameter, and send to motor to drive chip 26 camera-shake parameter, motor drives chip 26 for generating jitter compensation control command according to camera-shake calculation of parameter, and jitter compensation control command is sent to voice coil motor 40, voice coil motor 40 is for driving optical lens 50 to move cause with compensate for jitter image blurring according to jitter compensation control command.
Camera module provided by the invention, owing to adopting the structure directly each parts being connected successively without additional connector, the anti-shake height that does not increase camera module with voice coil motor of optics, and gyroscope sensor chip and motor drive the position of chip to press close to image sensor chip, camera modular structure compact in design, volume is little, and optics anti-trembling function has improved the image effect of camera module.
On the basis of above-described embodiment technical scheme, preferably, the height of used for mobile terminal camera module is 5mm-6mm, and the height of used for mobile terminal camera module is mainly the height after voice coil motor 40, support 30 and wiring board 20 assemblings.
On the basis of above-described embodiment technical scheme, preferably, motor drives chip 26 to be electrically connected to and to be specially with voice coil motor 40:
One side of voice coil motor 40 is provided with a plurality of metal pins 42, position corresponding to a plurality of metal pins 42 on first area 21 is provided with a plurality of pads 27, metal pins 42 in the present embodiment and pad 27 are respectively 5, each metal pins 42 is welded on respectively on each pad 27, and 5 pads 27 drive chip 26 to be electrically connected to motor.
On the basis of above-described embodiment technical scheme, preferably, support 30 is also provided with the breach 32 that holds a plurality of metal pins 42, and this breach can avoid metal pins to take additional space in camera module, optimizes the layout of camera module.
On the basis of above-described embodiment technical scheme, preferably, the lower limb of through hole 31 is equipped with the first groove, image sensor chip 24 is embedded in the first groove, and through hole 31 can be rectangular through-hole, and the first groove is rectangle annular groove, the first groove can hold the non-photosensitive region of image sensor chip 24, thereby can reduce the sectional area of through hole 31, increase the wall thickness of support 30, improve the strength and stiffness of support 30.
On the basis of above-described embodiment technical scheme, camera module also comprises filter, this filter is multiple infrared fileter, wherein, the present embodiment is smalt filter preferably, smalt filter, by absorption pattern filtering infrared light, is compared by coated reflection mode filtering infrared light with ordinary optical glass filter, has better filter effect.
Concrete, the top edge of through hole 31 is also equipped with the second groove 33, the edge of filter is fixedly installed in the second groove 33, and filter is over against the bottom of optical lens 50, in addition, the setting of filter is not limited to above-mentioned position, filter can have and is arranged on over against optical lens 50 bottoms or the multiple set-up mode at optical lens 50 tops, for example: filter can be arranged on the mobile terminal case that disposes camera module, the position of this filter on shell is over against optical lens 50 tops.
On the basis of above-described embodiment technical scheme, preferably, on second area 21, be also provided with a plurality of first kind passive devices 28, a plurality of first kind passive devices 28 drive chip 26 around around being arranged on gyroscope sensor chip 25 and motor, the passive components such as first kind passive device acute pyogenic infection of finger tip patch capacitor, inductance or resistance, a plurality of first kind passive devices 28 drive the auxiliary peripheral circuit of using of chip 26 application for realizing gyroscope sensor chip 25 and motor.
On the basis of above-described embodiment technical scheme; preferably; camera module also comprises diaphragm 60; diaphragm 60 lids are located on the top of optical lens 50; the middle part of diaphragm 60 offers the light hole corresponding with the eyeglass of optical lens 50 61; this diaphragm 60 prevents that optical lens 50 is damaged, and protects optical lens 50, velocity of sound motor 40 etc. to avoid the pollution of external dust.
On the basis of above-described embodiment technical scheme, as depicted in figs. 1 and 2, preferably, it is two independently chips that gyroscope sensor chip 25 and motor drive chip 26, and gyroscope sensor chip 25 and motor drive chip 26 to be arranged side by side on second area 22.Or gyroscope sensor chip 25 and motor drive chip 26 can also be integrated on a chip, save chip cost and take up room.
The embodiment of the present invention also provides a kind of mobile terminal, this mobile terminal can be smart mobile phone, panel computer, the multiple terminal such as notebook computer or electronic watch equipment, wherein, this mobile terminal comprises the camera module that any embodiment of the present invention provides, this camera module also comprises motherboard connector 29, in flexible circuit board 20, be also provided with the 3rd region 23, the 3rd region 23 arranges with second area 22 intervals, in addition, the 3rd region 23 can be according to the needs that are connected with mainboard with second area 22, be arranged on the same side of first area 21 or be separately positioned on the not homonymy of first area 21, motherboard connector 29 is arranged on the 3rd region 23, the mainboard of mobile terminal is electrically connected to camera module by motherboard connector 29.
Mobile terminal provided by the invention, owing to adopting the structure directly each parts being connected successively without additional connector, the anti-shake height that does not increase camera module with voice coil motor of optics, and gyroscope sensor chip and motor drive the position of chip to press close to image sensor chip, camera modular structure compact in design, volume is little, and optics anti-trembling function has improved the image effect of camera module.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (10)

1. a used for mobile terminal camera module, is characterized in that, comprising: optical lens, voice coil motor, support, wiring board, image sensor chip, gyroscope sensor chip and motor drive chip;
Described wiring board is arranged at intervals with first area and second area successively, and described image sensor chip is arranged on described first area, and described support is the sheet structure that middle part has through hole, and the lower surface of described support is fixedly installed on described first area;
Described voice coil motor is fixedly installed on the upper surface of described support, described optical lens be embedded in the adjustable shelf of described voice coil motor and with described image sensor chip over against;
Described gyroscope sensor chip and described motor drive chip to be arranged on described second area, and described gyroscope sensor chip and described motor drive chip to be electrically connected to, and described motor drives chip to be electrically connected to described voice coil motor;
Described gyroscope sensor chip is for detection of camera-shake parameter, and sends to described motor to drive chip described camera-shake parameter;
Described motor drives chip for generating jitter compensation control command according to described camera-shake calculation of parameter, and described jitter compensation control command is sent to described voice coil motor;
Described voice coil motor is for driving described optical lens to move cause with compensate for jitter image blurring according to described jitter compensation control command.
2. used for mobile terminal camera module according to claim 1, is characterized in that, the height of described used for mobile terminal camera module is 5mm-6mm.
3. used for mobile terminal camera module according to claim 1, is characterized in that:
One side of described voice coil motor is provided with a plurality of metal pins, position corresponding to described a plurality of metal pins on described first area is provided with a plurality of pads, described in each, metal pins is welded on respectively described in each on pad, and described a plurality of pads drive chip to be electrically connected to described motor.
4. used for mobile terminal camera module according to claim 3, is characterized in that, described support is also provided with the breach that holds described a plurality of metal pins.
5. used for mobile terminal camera module according to claim 1, it is characterized in that, the lower limb of described through hole is equipped with the first groove, and described image sensor chip is embedded in described the first groove, described through hole is rectangular through-hole, and described the first groove is rectangle annular groove.
6. used for mobile terminal camera module according to claim 1, it is characterized in that, described used for mobile terminal camera module also comprises filter, the top edge of described through hole is also equipped with the second groove, the edge of described filter is fixedly installed in described the second groove, and described filter is over against the bottom of described optical lens.
7. used for mobile terminal camera module according to claim 1, it is characterized in that, on described second area, be also provided with a plurality of first kind passive devices, described a plurality of first kind passive devices drive chip around around being arranged on described gyroscope sensor chip and described motor.
8. used for mobile terminal camera module according to claim 1; it is characterized in that; described used for mobile terminal camera module also comprises diaphragm; described protection membrane cover is located on the top of described optical lens, and the middle part of described diaphragm offers the light hole corresponding with the eyeglass of described optical lens.
9. according to the arbitrary described used for mobile terminal camera module of claim 1-8, it is characterized in that, it is two independently chips or be integrated on a chip that described gyroscope sensor chip and described motor drive chip.
10. a mobile terminal, it is characterized in that, comprise the arbitrary described used for mobile terminal camera module of claim 1-9, this used for mobile terminal camera module also comprises motherboard connector, on described wiring board, be also provided with the 3rd region, described the 3rd region and described second area interval arrange, and described motherboard connector is arranged on described the 3rd region;
The mainboard of described mobile terminal is electrically connected to described used for mobile terminal camera module by described motherboard connector.
CN201310346692.0A 2013-08-09 2013-08-09 Camera module for mobile terminal and mobile terminal Pending CN103607535A (en)

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CN109257531A (en) * 2018-11-09 2019-01-22 昆山丘钛微电子科技有限公司 Camera module and preparation method thereof, terminal
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