CN104184931A - Optical module installed on mobile terminal and with adjustable light extraction angle - Google Patents
Optical module installed on mobile terminal and with adjustable light extraction angle Download PDFInfo
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- CN104184931A CN104184931A CN201410450236.5A CN201410450236A CN104184931A CN 104184931 A CN104184931 A CN 104184931A CN 201410450236 A CN201410450236 A CN 201410450236A CN 104184931 A CN104184931 A CN 104184931A
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- mobile terminal
- light
- camera lens
- optical module
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Abstract
The invention relates to the field of camera shooting of mobile terminals, in particular to an optical module installed on a mobile terminal and with the adjustable light extraction angle. In the prior art, an optical module used in the mobile terminal generally belongs to a part of a camera of the mobile terminal, the camera needs to be used for collecting light in the optical module, then the light is subjected to a series of processing, in the optical imaging process, the larger the image distance is, the clearer obtained images are, and when the image distance reaches above a certain value, imaging data can even have the iris recognition function; in the mobile terminal, the camera is generally arranged on the front face or the back face of the device, the camera is used for collecting the light, and the larger the image distance is, the more the thickness of the mobile terminal is affected. The design of a reflection device is added, light spread in the thickness direction of the mobile terminal is changed into light spread in the flat direction of the mobile terminal, as the problem is solved, the optical module is clearer in imaging effect, and the thickness of the mobile terminal is optimized.
Description
Technical field
The present invention relates to the shooting field of mobile terminal, particularly a kind of mobile terminal that is installed on is got the adjustable optical module of optic angle degree.
Background technology
mobile terminal is universal very extensive present society, such as notebook computer, panel computer, mobile phone, camera etc., can realize the required conventional function of most of people, shooting, take pictures as a wherein part for this function, mainly to realize by the camera on mobile terminal, and along with era development, the secrecy technology that relates to user on mobile terminal is increasingly mature, wherein biological identification technology is occupied an leading position gradually, fingerprint recognition in biological identification technology, iris recognition is following main flow, and iris recognition need to be used the camera of mobile terminal, in optical imagery, make the complete iris optical imagery that can identify of camera collection of mobile terminal, image distance in camera imaging process need be equal to or greater than 2cm so, and mobile terminal is the user demand that meets user in prior art, the lighting surface of camera is all positioned at front or the reverse side of its installation place on mobile terminal, if described image distance reaches the demand that is equal to or greater than 2cm, the thickness of mobile terminal will be very thick so, it is not allow to exist that such mobile terminal is experienced angle from user, so urgent need a solution, make mobile terminal under the technique prerequisite of accomplishing to try one's best thin, can realize iris recognition, simultaneously, the optical imagery that the increase of image distance can make mobile terminal collect is more clear, the photograph that it generates or video segment are also more clear, user is experienced better.
Summary of the invention
The problem existing for prior art, goal of the invention of the present invention be to provide a kind of imaging effect more clear, optimize mobile terminal thickness simultaneously, can freely switch the optical module of wide-angle lens or narrow angle mirror head.
To achieve these goals, the technical solution used in the present invention is:
Be installed on mobile terminal and get the adjustable optical module of optic angle degree, it comprises:
Camera lens, for from mobile terminal collected outside light;
Transducer, carries out imaging for the light that camera lens is entered;
It is characterized in that, described optical module also comprises reflection unit, changes described light transmition direction in mobile terminal, makes described mobile terminal in the situation that thickness is constant, can extend described light transmition path; By light transmittance, more than 92% film forms described camera lens, the circle that this film is arranged on its surrounding setting can amplify on the round body of diameter reduction, by zooming in or out of this round body diameter, change the curvature of described camera lens, get optic angle degree with what adjust this camera lens, form wide-angle lens or narrow angle mirror head, a camera lens meets more demands, has greatly saved user's cost.
It has added the design of reflection unit, and described light is transformed into its flat direction in the propagation of mobile terminal thickness direction, makes its image distance length can not have influence on the thickness of mobile terminal, and ensureing that mobile terminal tries one's best in thin technique, imaging is more clear.
As preferred version of the present invention, described transducer is ccd sensor or cmos sensor, when described transducer is ccd sensor, is connected with DSP on it, is two kinds of conventional transducers, and the cost of cmos sensor is higher than ccd sensor, but its performance is more excellent.
As preferred version of the present invention, described reflection unit can be plane mirror, right-angle prism, pentaprism, right angle roof prism, reflectance coating, and can realize the combination in any between any irregular prism or the above-mentioned reflection unit employing scheme of described reflection unit reflection function, according to the required scheme of the in-built design alternative of mobile terminal, adaptability is stronger.
As preferred version of the present invention, described optical module also comprises filter, on propagation path at described light in mobile terminal, before described filter is arranged at transducer, reflection unit is not set between described filter and transducer, the direction of propagation before described filter surface enters described transducer with described light is vertical, and filter is used for filtering described light, chooses the light of required radiation wave band.
As preferred version of the present invention, described camera lens is communicated with described mobile terminal case front and/or the back side, it comprises exiting surface, collect the lighting surface of light, described lighting surface can be collected light from described mobile terminal, after described exiting surface, be provided with described reflection unit, it is a reflection part, it can change the light transmition direction that described camera lens exiting surface penetrates, make its space between described outer casing frontispiece and the back side in mobile terminal, in the direction parallel with described outer casing frontispiece or the back side, propagate, to extend described light transmition path, in light transmition direction after being reflected, be disposed with described filter, transducer light, this is a kind of arrangement of this optical module.
As preferred version of the present invention, it is characterized in that, described camera lens is communicated with described mobile terminal case front and/or the back side, it comprises exiting surface, collect the lighting surface of light, described lighting surface can be collected light from described mobile terminal, after described exiting surface, be provided with described reflection unit, it is a reflection part, described reflection unit comprises the first reflecting part, the second reflecting part, described the first reflecting part is arranged at after the exiting surface of described camera lens, it can change the light transmition direction that described camera lens exiting surface penetrates, make its space between described outer casing frontispiece and the back side in mobile terminal, in the direction parallel with described outer casing frontispiece or the back side, propagate, on the direction of propagation at described light after described the first reflecting part reflection, be provided with described the second reflecting part, it can make the light that the receives space between described outer casing frontispiece and the back side in mobile terminal, in the direction vertical with described outer casing frontispiece or the back side, propagate, on the direction of propagation after this secondary reflection of described light, be disposed with described filter, transducer, transducer generally holds flat, this structure can be arranged in the flat direction of mobile terminal described transducer, in the situation that having ensured described light transmition path, make the thickness of mobile terminal thinner.
The invention has the beneficial effects as follows:
1, make the imaging effect of light more clear;
2,, while being arranged on mobile terminal, more clearly in situation, optimize mobile terminal thickness at the imaging effect that ensures described light.
3, can freely switch wide-angle lens or narrow angle mirror head.
Brief description of the drawings
Fig. 1 is the first structural representation of the embodiment of the present invention 1.
Fig. 2 is the first structural representation of the embodiment of the present invention 2.
Fig. 3 is the second structural representation of the embodiment of the present invention 1.
Fig. 4 is the second structural representation of the embodiment of the present invention 2.
Fig. 5 is the third structural representation of the embodiment of the present invention 1.
Fig. 6 is the third structural representation of the embodiment of the present invention 2.
Fig. 7 is First Principle figure of the present invention.
Fig. 8 is the second schematic diagram of the present invention.
Fig. 9 is the 3rd schematic diagram of the present invention.
Figure 10 is the 4th schematic diagram of the present invention.
Figure 11 is the 5th schematic diagram of the present invention.
Figure 12 is the 6th schematic diagram of the present invention.
Mark in figure: 1-camera lens, 2-reflection unit, 3-filter, 4-transducer, 5-the first reflecting part, 6-the second reflecting part, 7-plane mirror, 8-right-angle prism, 9-pentaprism, 10-right angle roof prism, 11-reflectance coating, the irregular prism of 12-.
Embodiment
Below in conjunction with embodiment and embodiment, the present invention is described in further detail.But this should be interpreted as to the scope of the above-mentioned theme of the present invention only limits to following embodiment, all technology realizing based on summary of the invention of the present invention all belong to scope of the present invention.
embodiment 1
As Fig. 1, described optical module is installed in notebook computer or panel computer, for a part for its camera, this camera comprises pcb board, described optical module, described optical module comprises camera lens 1, filter 3, transducer 4, reflection unit 2, described transducer 4 is installed on described pcb board, this transducer 4 is ccd sensor or cmos sensor, in the time being ccd sensor, the other DSP that is also connected with of this ccd sensor, it is digital signal processing chip, and described pcb board is Rigid Flex, in the time that transducer 4 is cmos sensor, because DSP is integrated in cmos sensor, so no longer need to assemble independent DSP, and described pcb board can be hardboard or soft board or Rigid Flex,
Described camera lens 1 is by lens, lens barrel, spacer ring composition, described lens are plastic cement lens or glass lens, described camera lens 1 is installed in notebook computer or panel computer, and be communicated with (as Fig. 1 with its back skin or front shell, 3, 5), the lighting surface of this camera lens 1 is arranged at this connectivity part, in the daylighting direction of described camera lens 1, after the exiting surface of described camera lens 1, be provided with described reflection unit 2, its light that described camera lens 1 is gathered flat direction toward notebook computer or panel computer in notebook computer or panel computer reflects, this reflection direction can be horizontal direction, as Fig. 1, also can be vertical direction, as Fig. 3, also can be oblique, as Fig. 5, according to the different demands of notebook computer or panel computer design, select different reflection directions, as Fig. 1, 3, 5, on this reflection direction, be provided with described filter 3, the surface of described filter 3 be reflected after the direction of propagation of light vertical, filter 3 rears are provided with ccd sensor or cmos sensor, it is connected with the processor of notebook computer or panel computer by described pcb board,
The lens of described camera lens 1 can translation in the plane vertical with the direction of propagation of light, the other gyroscope that is provided with of described camera lens 1, can detect the movement that notebook computer or panel computer are small, feed back to described camera lens 1 with this apart from geometric ratio, camera lens 1 translation on its plane of motion, the imaging of compensation light on described transducer 4, thus effectively overcome the image fog because of the generation of vibration of camera;
Described optical module also comprises remote controller, receiver, this receiver is arranged in notebook computer or panel computer, be positioned at described camera lens 1 other, this receiver and described remote controller can wifi or infrared connections, on remote controller, be provided with wifi chip or infrared emission chip, described receiver can receive the signal of institute's remote controller, controls the switch of described transducer 4, realize the unlatching of described optical module, the function such as realize that Remote is taken a picture, made video recording;
Described filter 3 inside are a cavity, in this cavity, be filled with optical filtering particle of all kinds, on single particle, be provided with the small soft magnetic particles of high magnetic permeability, low magnetic hysteresis, described optical filtering particle is divided into three kinds, be respectively red, green, blue optical filtering particle, filter respectively green, red, blue light, the described magnetic particle size difference of attaching on every kind of optical filtering particle, it is subject to the influence degree difference in magnetic field, in described cavity, be also filled with non-magnetic liquid, described green glow particle and described non-magnetic liquid combination are suspended substance, described filter 3 surroundings are provided with magnetic field generation device, this device can controlling magnetic field direction and magnetic flux density, by adjusting magnetic direction and the magnetic flux density through described suspended substance, change three kinds of optical filtering particle mixed proportions that concentrate on filter 3 cavity middle parts, due to green, red, blueness is three primary colors, can combine all colours, so by this structure, can optionally filter the light of all colours, to facilitate later stage special purpose,
The photosensitivity scope of described ccd sensor 4 or cmos sensor 4 is equal to or greater than 600ISO, and ISO can make the imaging time of this optical module greatly reduce, and in the time there is shake, plays anti-shake effect;
Described camera lens 1 and notebook computer or panel computer back skin or front shell connectivity part are provided with the polarized lenses that can stretch out or retract along the plane vertical with light transmition direction, in the time of the described optical module of use backlight, the polarized lenses stretching out can help transducer 4 imagings, there will not be over-exposed situation, in the time taking under ordinary ray, control this polarized lenses and retract, leave the propagation path of light, can recover normal photographing state;
The angle of described reflection unit 2 is adjustable, thereby control the direction of propagation of described light in mobile terminal, to meet different structure technique, simultaneously, the quantity of described transducer 4 is two, be arranged on different both directions, the quality difference comparing with imaging effect, instantly the many electricity-saving functions that are provided with of mobile terminal, now enable the lower transducer 4 of the relatively bad power consumption of imaging effect, reduce power consumption, power saving, when needs are cancelled battery saving mode, needed imaging effect time, control described reflection unit 2, its reflection angle is changed, make described light in mobile terminal, finally be incident upon imaging effect relatively preferably on transducer 4, meet the user's request in this situation,
The position of described transducer 4 is adjustable, can on the direction of propagation of described light, move forward or after move, to reach different imaging effects;
Described camera lens 1 and notebook computer or panel computer back skin or front shell connectivity part are provided with light shield, and it can stretch out to notebook computer or panel computer outside, plays shaded effect, promotes the final imaging effect of described optical module;
By light transmittance, more than 92% film forms described camera lens 1, the circle that this film is arranged on its surrounding setting can amplify on the round body of diameter reduction, by zooming in or out of this round body diameter, change the curvature of described camera lens 1, get optic angle degree with what adjust this camera lens 1, form wide-angle lens or narrow angle mirror head, a camera lens 1 meets more demands, has greatly saved user's cost;
Described camera lens 1 can be adjusted separately angle, its camera lens 1 is adjustable with the angle of described light, be divided into two patterns: normal camera lens, move lens shaft, by the normal camera lens of adjustable realization of this camera lens 1 and the switching that moves lens shaft, make described optical module can meet more user's request, cost-saving;
Described reflection unit 2 can be that plane mirror 7(is as Fig. 7), right-angle prism 8(is as Fig. 8), pentaprism 9(is as Fig. 9), right angle roof prism 10(is as Figure 10), reflectance coating 11(is as Figure 11), and any irregular prism 12(that can realize described reflection unit 2 reflection functions is as Figure 12) or said apparatus between combination in any, when prism is installed, the face that described light enters prism therewith time the light direction of propagation vertical, the face that described light penetrates prism therewith time the light direction of propagation vertical, described light is equal to or greater than 2cm from the exiting surface of described camera lens 1 to the diffusion path length of described transducer 4.
embodiment 2
As Fig. 2, described optical module is installed in notebook computer or panel computer, for a part for its camera, this camera comprises pcb board, described optical module, described optical module comprises camera lens 1, filter 3, transducer 4, reflection unit 2, described transducer 4 is installed on described pcb board, this transducer 4 is ccd sensor or cmos sensor, in the time being ccd sensor, the other DSP that is also connected with of this ccd sensor, it is digital signal processing chip, and described pcb board is Rigid Flex, in the time that transducer 4 is cmos sensor, because DSP is integrated in cmos sensor, so no longer need to assemble independent DSP, and described pcb board can be hardboard or soft board or Rigid Flex,
As Fig. 2, 4, 6, described camera lens 1 is by lens, lens barrel, spacer ring composition, described reflection unit 2 comprises the first reflecting part 5, the second reflecting part 6, described lens are plastic cement lens or glass lens, described camera lens 1 is installed in notebook computer or panel computer, and be communicated with back skin or the front shell of notebook computer or panel computer, the lighting surface of this camera lens 1 is arranged at this connectivity part, in the daylighting direction of described camera lens 1, after the exiting surface of described camera lens 1, be provided with described the first reflecting part 5, its light that described camera lens 1 is gathered flat direction toward notebook computer or panel computer in notebook computer or panel computer reflects, this reflection direction can be horizontal direction, as Fig. 2, also can be vertical direction, as Fig. 4, also can be oblique, as Fig. 6, according to the different demands of notebook computer or panel computer design, select different reflection directions, as Fig. 2, 4, 6, on this reflection direction, be provided with described the second reflecting part 6, it can make the light thickness direction toward notebook computer or panel computer in notebook computer or panel computer receiving reflect, after this secondary reflection, on the direction of propagation of light, be provided with described filter 3, the direction of propagation of the light after the surface of described filter 3 is reflected with this time is vertical, filter 3 rears are provided with ccd sensor or cmos sensor, it is connected with the processor of notebook computer or panel computer by described pcb board,
Described reflection unit 2 can be that plane mirror 7(is as Fig. 7), right-angle prism 8(is as Fig. 8), pentaprism 9(is as Fig. 9), right angle roof prism 10(is as Figure 10), reflectance coating 11(is as Figure 11), and any irregular prism 12(that can realize described reflection unit 2 reflection functions is as Figure 12) or said apparatus between combination in any, when prism is installed, the face that described light enters prism therewith time the light direction of propagation vertical, the face that described light penetrates prism therewith time the light direction of propagation vertical, described light is equal to or greater than 2cm from the exiting surface of described camera lens 1 to the diffusion path length of described transducer 4.
The operation principle of above-described embodiment 1-2: the light that described camera lens 1 gathers is by the reflection of described reflection unit 2, after the filtration of described filter 3, project on transducer 4, then light is converted into the signal of telecommunication, the signal of telecommunication becomes digital signal through analog-to-digital conversion again, digital signal is through DSP processing processing, be sent to again in the processor of mobile terminal and process, and the design of described reflection unit 2, make mobile terminal entirety under the thin technological requirement of As soon as possible Promising Policy, optical module in its camera, the light that can make it collect is more clear, some function of the lower order of convenient expansion, such as iris recognition, ultra high-definition photograph and video.
Claims (5)
1. be installed on mobile terminal and get the adjustable optical module of optic angle degree, it comprises:
Camera lens, for from mobile terminal collected outside light;
Transducer, carries out imaging for the light that camera lens is entered;
It is characterized in that, described optical module also comprises reflection unit, changes described light transmition direction in mobile terminal, makes described mobile terminal in the situation that thickness is constant, can extend described light transmition path; By light transmittance, more than 92% film forms described camera lens, the circle that this film is arranged on its surrounding setting can amplify on the round body of diameter reduction, by zooming in or out of this round body diameter, change the curvature of described camera lens, get optic angle degree with what adjust this camera lens, form wide-angle lens or narrow angle mirror head.
2. a kind of mobile terminal that is installed on according to claim 1 is got the adjustable optical module of optic angle degree, it is characterized in that, described transducer is ccd sensor or cmos sensor, when described transducer is ccd sensor, is connected with DSP on it.
3. a kind of mobile terminal that is installed on according to claim 2 is got the adjustable optical module of optic angle degree, it is characterized in that, described reflection unit can be plane mirror, right-angle prism, pentaprism, right angle roof prism, reflectance coating, and can realize the combination in any between any irregular prism or the above-mentioned reflection unit employing scheme of described reflection unit reflection function.
4. a kind of mobile terminal that is installed on according to claim 3 is got the adjustable optical module of optic angle degree, it is characterized in that, described camera lens is communicated with described mobile terminal case front and/or the back side, it comprises exiting surface, collect the lighting surface of light, described lighting surface can be collected light from described mobile terminal, after described exiting surface, be provided with described reflection unit, it is a reflection part, it can change the light transmition direction that described camera lens exiting surface penetrates, make its space between described outer casing frontispiece and the back side in mobile terminal, in the direction parallel with described outer casing frontispiece or the back side, propagate, to extend described light transmition path, in light transmition direction after being reflected, be provided with described transducer.
5. a kind of mobile terminal that is installed on according to claim 3 is got the adjustable optical module of optic angle degree, it is characterized in that, described camera lens is communicated with described mobile terminal case front and/or the back side, it comprises exiting surface, collect the lighting surface of light, described lighting surface can be collected light from described mobile terminal, after described exiting surface, be provided with described reflection unit, described reflection unit comprises the first reflecting part, the second reflecting part, described the first reflecting part is arranged at after the exiting surface of described camera lens, it can change the light transmition direction that described camera lens exiting surface penetrates, make its space between described outer casing frontispiece and the back side in mobile terminal, in the direction parallel with described outer casing frontispiece or the back side, propagate, on the direction of propagation at described light after described the first reflecting part reflection, be provided with described the second reflecting part, it can make the light that the receives space between described outer casing frontispiece and the back side in mobile terminal, in the direction vertical with described outer casing frontispiece or the back side, propagate, on the direction of propagation after this secondary reflection of described light, be provided with described transducer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410450236.5A CN104184931A (en) | 2014-09-04 | 2014-09-04 | Optical module installed on mobile terminal and with adjustable light extraction angle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410450236.5A CN104184931A (en) | 2014-09-04 | 2014-09-04 | Optical module installed on mobile terminal and with adjustable light extraction angle |
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| CN104184931A true CN104184931A (en) | 2014-12-03 |
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| CN113489911A (en) * | 2021-08-16 | 2021-10-08 | 上海聚虹光电科技有限公司 | Iris camera of electronic dimming and dimming mirror and iris camera control method |
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