CN105094307A - Mobile equipment with front-facing camera - Google Patents
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- CN105094307A CN105094307A CN201410223411.7A CN201410223411A CN105094307A CN 105094307 A CN105094307 A CN 105094307A CN 201410223411 A CN201410223411 A CN 201410223411A CN 105094307 A CN105094307 A CN 105094307A
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Abstract
The invention discloses mobile equipment with a front-facing camera. The mobile equipment comprises a main body part and a display screen arranged on the main body part. The mobile equipment also comprises the front-facing camera, wherein the front-facing camera is arranged on the back side of the display screen and positioned on the inner side of the main body part to be aligned with the display screen; and the front-facing camera is used for shooting images through the display screen. The mobile equipment has the beneficial effects that the shooting point of the front-facing camera is coincided with a point of view while screen display is not influenced, so that the experience problem since a user cannot look at the screen and a camera at the same time in the scenes of self-photographing, mirror, video call and the like is solved.
Description
Technical field
The present invention relates to field of mobile equipment, particularly relate to a kind of mobile device with front-facing camera.
Background technology
Existing smart mobile phone, in order to support video calling, is generally all equipped with front-facing camera.In order to promote Consumer's Experience, at present the improvement that the shoot function of front-facing camera carries out is generally: by the post-positioned pick-up head of high pixel being used for preposition shooting after rotating camera, or by software approach, special efficacy and landscaping treatment etc. is done to the portrait picture after shooting.
And current mobile phone front-facing camera generally designs the marginal position at mobile phone, and with screen display shooting picture, therefore shooting point and viewpoint do not overlap.If user look at screen when using front-facing camera, the eyes can observed in the reflection of oneself not look at camera lens, if user look at front-facing camera, then cannot know by screen the expression that oneself is current.In practical application scene, the auto heterodyne that this design causes the more difficult shooting of user " to look at camera lens "; In addition in video calling, the design of existing front-facing camera can not support that the technology that both call sides " mutually to depending on " is conversed is experienced.
Summary of the invention
The technical problem to be solved in the present invention is, user cannot be made to look at the problem of screen and camera for front-facing camera in above-mentioned prior art simultaneously, provides a kind of mobile device with front-facing camera.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of mobile device with front-facing camera, described mobile device comprises main part and is arranged at the display screen on described main part, described mobile device also comprises front-facing camera, described front-facing camera be arranged at the rear side of described display screen and the inner side being positioned at described main part to aim at described display screen, described front-facing camera is used for through described display screen shooting image.
In mobile device of the present invention, described display screen is transparent display screen, and described mobile device also comprises control module, and described control module and described display screen and described front-facing camera are electrically connected;
Described control module is for controlling the duty of described display screen and described front-facing camera, and wherein, the duty of described display screen and described front-facing camera includes opening and closed condition.
In mobile device of the present invention, described mobile device also comprises timing unit, and described timing unit and described control module are electrically connected;
Described timing unit is for arranging cycle and the alt time of the duty of described display screen and described front-facing camera;
Described control module also for alternately controlling the duty of described display screen and described front-facing camera within the cycle set by described timing unit according to described alt time.
In mobile device of the present invention, described mobile device also comprises ccd detector, and described ccd detector and described control module are electrically connected;
Described ccd detector is used for the brightness of sense ambient light.
In mobile device of the present invention, described mobile device also comprises cmos detector, and described cmos detector and described control module are electrically connected;
Described cmos detector is used for the brightness of sense ambient light.
In mobile device of the present invention, described control module is also for described cycle and the alt time of the described display screen set by timing unit described in the brightness adjustment according to described surround lighting and described front-facing camera.
In mobile device of the present invention, the region of the described display screen that described front-facing camera is aimed at is transparent region, and the region of the out-of-alignment described display screen of described front-facing camera is nontransparent region.
In mobile device of the present invention, described control module also opens light transmission state for controlling described display screen when starting state, closes light transmission state time in off position.
In mobile device of the present invention, described mobile device also comprises eye recognition unit, and described eye recognition unit and described control module are electrically connected;
Described eye recognition unit is for identifying the eye portion in image captured by described front-facing camera;
Described control module also for obtaining described eye position according to the eye portion that identifies, and controls described front-facing camera and aims at described eye position.
In mobile device of the present invention, described eye recognition unit and described front-facing camera collaborative work.
Implement a kind of mobile device with front-facing camera of the present invention, there is following beneficial effect: ensureing that screen display is impregnable while, allow the shooting point of front camera and viewpoint overlap.Solve in the scenes such as auto heterodyne, mirror, video calling, user cannot look at the experience problem that screen and camera cause simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
A kind of front view with the mobile device of front-facing camera that Fig. 1 provides for first embodiment of the invention;
A kind of side view with the mobile device of front-facing camera that Fig. 2 provides for first embodiment of the invention;
A kind of mobile device block diagram with front-facing camera that Fig. 3 provides for second embodiment of the invention;
A kind of mobile device block diagram with front-facing camera that Fig. 4 provides for third embodiment of the invention;
Fig. 5 is the schematic diagram of front-facing camera provided by the invention and screen alternation;
A kind of workflow diagram with the mobile device of front-facing camera that Fig. 6 provides for third embodiment of the invention;
A kind of mobile device block diagram with front-facing camera that Fig. 7 provides for fourth embodiment of the invention;
A kind of mobile device block diagram with front-facing camera that Fig. 8 provides for fifth embodiment of the invention;
A kind of front view with the mobile device of front-facing camera that Fig. 9 provides for sixth embodiment of the invention;
A kind of mobile device block diagram with front-facing camera that Figure 10 provides for seventh embodiment of the invention;
Figure 11 is the structural representation of transparent display screen;
Figure 12 is the structural representation that liquid crystal display screen surfaces sets up polaroid.
Embodiment
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
The invention provides a kind of front camera design proposal being positioned at center Screen.Front camera is stacked on liquid crystal display behind, is blocked at ordinary times by screen, the camera work when liquid crystal energising bleach, and screen then switches fast between display image and bleach, makes human eye only see screen-picture and discovers and exist less than camera.This design, ensureing that screen display is impregnable while, allows the shooting point of front camera and viewpoint overlap.Solve in the scenes such as auto heterodyne, mirror, video calling, user cannot look at the experience problem that screen and camera cause simultaneously.
A kind of front view with the mobile device 100 of front-facing camera that Fig. 1 provides for first embodiment of the invention, as shown in Figure 1, a kind of mobile device with front-facing camera, the display screen 2 that described mobile device comprises main part 1 and is arranged on described main part 1, described mobile device also comprises front-facing camera 3, described front-facing camera 3 be arranged at the rear side of described display screen 2 and the inner side being positioned at described main part 1 to aim at described display screen 2, described front-facing camera 3 is for taking image through described display screen 2.See the side view of the present embodiment that Fig. 2 provides, as can be seen from Figure 2, described front-facing camera 1 be positioned at described mobile device 100 display screen 2 on rear side of or be stacked in display screen 2 rear.In order to make user obtain better experience, front-facing camera 1 can be aimed at display screen 2 center of mobile device 100, while look at display screen 2 to make user, look at front-facing camera 1.
Preferably, described display screen 2 is transparent display screen, and transparent display screen integrates microelectric technique, photoelectron technology, computer technology, the information processing technology.Liquid crystal display screen surfaces has one deck polaroid, and it has the effect of optical filtering.In other words, operationally, after the filtering light of X-direction or Y-direction, only remaining directional light, if do not shown by the polarisation of polaroid, naked eyes are difficult to the displaying contents seeing this transparent display screen to liquid crystal display.In process of production, first at the transparent base that two panels is ultra-thin, circuit on ITO print material, then two panels contraposition pressing, then perfusion liquid crystal also seals liquid crystal mouth, the polaroid finally installed additional respectively outside transparent base in the middle of two panels transparent base.The maximum advantage of transparent display screen is by transparent screen, just can pass screen, see the thing after screen back, thus bring a kind of brand-new man-machine interaction experience.
Generally, as shown in figure 11, transparent display screen stacks gradually backlight 111 and image display device 112 to the structural representation of transparent display screen, preferably, and can also a stacked screen protection layer 113 again; Wherein backlight 111 and image display device 112 are transparent medium, and namely backlight 111 is transparent backlight, image display device 112 is transparent image display device.As can be seen from Figure 11, light from the rear side of backlight 111 to the front side of image display device 112 is reciprocal, the principle reciprocal according to light, on rear side of backlight 111, arrange the image that camera can gather image display device 112 front, the user in camera front can see the arbitrary objects comprising camera on rear side of backlight 111.
The beneficial effect of this embodiment is, when user autodynes, the effect of user in the photo taken camera lens soon can be ensured, in video calling or video recording, can ensure that user is real-time as looking in the mirror and see oneself, thus adjustment expression posture, for the application such as auto heterodyne, video calling provide better experience.
A kind of mobile device 100 block diagram with front-facing camera that Fig. 3 provides for second embodiment of the invention, as shown in Figure 3, this embodiment is different from the first embodiment part and is, described mobile device 100 also comprises control module 4, and described control module 4 is electrically connected with described display screen 2 and described front-facing camera 3; Described control module 4 is for controlling the duty of described display screen 2 and described front-facing camera 3, and wherein, the duty of described display screen 2 and described front-facing camera 3 includes opening and closed condition.Because front-facing camera 1 is positioned at display screen 2 rear, both work and can there is conflict, and during screen display, camera is blocked, and camera shooting time screen is transparent can not normally display frame.Therefore control module 4 can be set to control front-facing camera 1 outside the scope of eye recognition works, within eye recognition scope, control display screen 2 work, so do the existence can not discovering front-facing camera 1 when user can be made to watch screen-picture.Based in a upper embodiment, display screen 2 is transparent display screen, and when the duty of this embodiment display screen 2 is opening, display screen 2 is opaque effect because of display image, when duty is closed condition, and the transparent effect of display screen 2.
The beneficial effect of this embodiment is, by setting up a control module 4 to control the duty of front-facing camera 1 and display screen 2, thus front-facing camera 1 and display screen 2 is normally worked.
A kind of mobile device 100 block diagram with front-facing camera that Fig. 4 provides for third embodiment of the invention, as shown in Figure 4, this embodiment is different from the second embodiment part and is, described mobile device 100 also comprises timing unit 5, and described timing unit 5 is electrically connected with described control module 4; Described timing unit 5 is for arranging cycle and the alt time of the duty of described display screen 2 and described front-facing camera 3; Described control module 4 also for alternately controlling the duty of described display screen 2 and described front-facing camera 3 within the cycle set by described timing unit 5 according to described alt time.Cycle set by timing unit 5 and alt time should meet the recognition time of human eye, and the time shutter of front-facing camera 3.Preferably, described control module 4 is also for controlling described display screen 2 printing opacity when starting state, light tight time in off position.Display screen 2 liquid crystal is light tight under not powering state, and when after energising, display screen 2 normally shows, front-facing camera 3 is blocked, when front-facing camera 3 works, display screen 2 is rendered as pellucidity, when screen is transparent, light can enter the camera at screen rear, completes normal filming image.
Under usual conditions, the speed of the identification coherent image of human eye is 24 frames/second, namely 1000 milliseconds/24 frames, is approximately 40ms (millisecond).Reach or exceed the coherent image of this speed, the sensation that card pauses during viewing, would not be formed.The reason forming this phenomenon is because when human eye watches image, can produce visual lag and cause.So the visual lag induction speed of human eye is >=40ms.
Time shutter is to project light onto on the light-sensitive surface of sensitive photographic material, the time that shutter will be opened.Depending on the light sensitivity of sensitive photographic material with to the illumination on light-sensitive surface.Time shutter mainly refers to timing up of egative film, and the photograph that time shutter longer egative film generates is brighter, darker on the contrary.The General Requirements prolonging exposure time (such as night scene) when extraneous light is darker.Shutter speed more can capture the object of motion more soon, makes its blur-free imaging.Just preferably to use tripod lower than time 1/60th seconds (about 17ms) upon exposure, if not imaging be difficult to clear.
The front-facing camera 1 of the present embodiment provided see Fig. 5 and the schematic diagram of display screen 2 alternation, mobile device 100 can refresh a subframe in one-period, in the display time slot in cycle, control display screen 2 work, in the shooting time slot in cycle, control front-facing camera 1 work, wherein, display time slot can be characterized by alt time, and the cycle can be display time slot and shooting time slot sum.Such as, alt time is set to 50ms, cycle is set to 70ms, so display time slot is 50ms, shooting time slot is 20ms, namely the visual lag induction speed meeting human eye needs the condition of >=40ms, also meets the time shutter need be greater than 17ms condition when most of scene.
Preferably, described control module 4 also opens light transmission state for controlling described display screen 2 when starting state, closes light transmission state time in off position.As shown in figure 12; by setting up a polaroid 114 at liquid crystal display screen surfaces; this polaroid is arranged between screen protection layer 113 and image display device 112; it has the effect of printing opacity; the change of light transmission state can be realized by adjusting the optical filtering angle of polaroid 114, such as: if before the polariscope set up through be the light of X-direction, the polaroid set up is through the light of non-X-direction; the light of i.e. filtering X-direction, then naked eyes just cannot see LCDs.
A kind of workflow diagram with the mobile device 100 of front-facing camera that Fig. 6 provides for third embodiment of the invention, specifically comprises the steps:
S1, timing unit 5 arrange cycle and the alt time of the duty of described display screen 2 and described front-facing camera 1; Such as, alt time is set to 50ms, and the cycle is set to 70ms, and so display time slot is 50ms, and shooting time slot is 20ms.
S2, control module 4 control the duty of display screen 2 in display time slot, namely when display time slot starts, control display screen 2 and open, and at the end of display time slot, control display screen 2 and close.
S3, control module 4 control the duty of front-facing camera 1 in shooting time slot, namely when taking time slot and starting, control front-facing camera 1 and open, and at the end of shooting time slot, control front-facing camera 1 and close.Because control module 4 periodically controls the duty of front-facing camera 1 and display screen 2, therefore after this step is finished, go to step S2.
In above-mentioned steps, in one-period, the order adjustable of step S2 and S3.And due to visual persistence effect, the sequencing of step S2 and S3 can not affect user and see real-time filmed image on the display screen 2.
The beneficial effect of the present embodiment is, user sees almost real-time filmed image on screen, and not easily perceives screen bleach and expose this process of camera.
A kind of mobile device 100 block diagram with front-facing camera that Fig. 7 provides for fourth embodiment of the invention, as shown in Figure 7, this embodiment is different from the 3rd embodiment part and is, described mobile device also comprises ccd detector 6, and described ccd detector 6 is electrically connected with described control module; Described ccd detector 6 is for the brightness of sense ambient light.Described control module 4 is also for cycle and the alt time of the duty of the described display screen 2 set by timing unit 5 described in the brightness adjustment according to described surround lighting and described front-facing camera 1.
Ccd detector 6 (ChangeCoupledDevice, charge-coupled image sensor) can reach 1,700 ten thousand pixel (4096 × 4199) ultrahigh resolutions, represents the highest resolution level of current DR.High Quantum detection efficiency, high spatial resolution, high density resolution, high dynamic range, acquisition optimized image, picture quality is consistent reliably and with long-term, and use cost significantly reduces.Comprised by the brightness of ccd detector 6 sense ambient light and obtain auto-exposure control (ACE), automatic growth control (AGC) or Automatic white balance (AWB) parameter, carry out extraction environment luminance brightness by these parameters.
Such as, the brightness of the surround lighting detected by ccd detector 6 lower than one preset threshold value time, be 85ms by control module 4 cycle adjusted set by timing unit 5, shooting time slot is 35ms, display time slot is 50ms, and this threshold value can determine according to the detection sensitivity of ccd detector 6.So not only extend the time shutter, user also can not be made to discover the duty of front-facing camera 1.
A kind of mobile device 100 block diagram with front-facing camera that Fig. 8 provides for fifth embodiment of the invention, as shown in Figure 8, this embodiment is different from the 3rd embodiment part and is, described mobile device also comprises cmos detector 7, and described cmos detector 7 is electrically connected with described control module; Described cmos detector 7 is for the brightness of sense ambient light.Described control module 4 is also for cycle and the alt time of the duty of the described display screen 2 set by timing unit 5 described in the brightness adjustment according to described surround lighting and described front-facing camera 3.
It is be that it has many advantages that CMOS (ComplementaryMetal-Oxide-Semiconductor, complementary metal oxide semiconductor (CMOS)) detector 6 is able to be widely used at mobile terminal in practice.Such as, the power consumption of CMOS photo-sensitive cell is relatively low; The conformability of CMOS photo-sensitive cell and peripheral circuit is high, and easy and other circuit integrate, thus the volume of camera is significantly reduced, etc.With the 4th embodiment, comprised by the brightness of cmos detector 6 sense ambient light and obtain auto-exposure control (ACE), automatic growth control (AGC) or Automatic white balance (AWB) parameter, carry out extraction environment luminance brightness by these parameters.
A same embodiment, the brightness of the surround lighting detected by cmos detector 7 lower than one preset threshold value time, be 85ms by control module 4 cycle adjusted set by timing unit 5, shooting time slot is 35ms, display time slot is 50ms, and this threshold value can determine according to the detection sensitivity of cmos detector 7.The program not only extends the time shutter, and user also can not be made to discover the duty of front-facing camera 1.
The beneficial effect of the 4th embodiment and the 5th embodiment is, according to the environmental light brightness adjustment time shutter, user also can not be made to discover the duty of front-facing camera 3.
A kind of front view with the mobile device 100 of front-facing camera that Fig. 9 provides for sixth embodiment of the invention, as shown in Figure 9, this embodiment is different from the first embodiment part and is, the region of the described display screen 2 that described front-facing camera 3 is aimed at is transparent region, the region of the out-of-alignment described display screen 2 of described front-facing camera 3 is nontransparent region, in nontransparent region, can by setting up a polaroid, this polaroid just covers nontransparent region, and offer round mouth to make front-facing camera 3 printing opacity at transparent region, the light of filtering and original polaroid equidirectional can reach nontransparent effect.Described transparent screen is used for making described front-facing camera 3 through described display screen 2 center to take described display screen 2 front.
This embodiment also only can carry out the switching of the switch operating process of display time slot and shooting time slot in camera front region, and being in image display mode in other regions of display screen 2 always, such user also can not see non-camera projection in zone handset structure behind.The region in front-facing camera 3 front of this display screen 2 correspondence is set to transparent, and this transparent region can be embedded among this display screen 2, reaches integrated effect; Meanwhile, control module 4 controls the alternation between display time slot and shooting time slot of this transparent region, keeps image display mode in other nontransparent regions always.
The beneficial effect of this embodiment is, the fritter border circular areas only having display screen 2 to block front-facing camera 3 is transparent, thus makes power consumption of screen lower, simultaneously display image and transparent between switch the flickering brought and also can drop to minimum.
A kind of mobile device 100 block diagram with front-facing camera that Figure 10 provides for seventh embodiment of the invention, as shown in Figure 10, this embodiment is different from the 3rd embodiment part and is, described mobile device also comprises eye recognition unit 8, and described eye recognition unit 8 is electrically connected with described control module 4; Described eye recognition unit 8 is for identifying the eyes in described display screen 2 front; Described control module 2 also for obtaining described eye position according to the eyes that identify, and controls described front-facing camera 3 and aims at described eye position.Described eye recognition unit 5 and the collaborative work of described front-facing camera 3.
Wherein, eye recognition unit 8 comprises the parts such as pre-service, feature extraction, sample learning and identification eyes, and the actualizing technology method of eyeball identification has multiple:
(1) sciagraphy.Sciagraphy detects eye position according to image projective distribution feature in particular directions, sciagraphy is as a kind of statistical method, utilize the half-tone information of eyeball, to be projected the ordinate and horizontal ordinate that detect pupil respectively by horizontal and vertical, thus obtaining the accurate location of human eye, common projection function has integral projection function (IPF), average projection function (MPF) and variance projection function (VPF).
(2) Hough transform method.Hough transform by the space field transformation of image to parameter space, the curve in Description Image is carried out with certain parametric form that most of frontier point meets, pupil is as the circle of a standard, we and can utilize Hough transform accurately can locate the position of eyeball pupil by the standard equation of circle, due to the obvious geometry analyticity of Hough transform, its robustness strengthens greatly.
(3) AdaBoost sorter method.Be a kind of iterative algorithm efficiently at machine learning field AdaBoost algorithm, it trains different Weak Classifiers for same training set, then these weak classifier set is got up, and forms a strong classifier.The advantage of its algorithm is that nicety of grading is higher and can carries out eye recognition rapidly, but algorithm effect relies on the selection of Weak Classifier, in human eye detection fast, have very important application.
(4) template matching method.According to the shape of pupil, circular shuttering can be utilized, image window from left to right, the position of News Search pupil from top to bottom, template matches searches for little interested image in the image that a width is large, it, by the similarity degree of calculation template and matching area, with most analogous location for match point, determines the position of target.Template matching algorithm belongs to the category in machine learning field, is one eyeball recognizer effectively.
At present, human-eye positioning method is all carry out on the basis through Face datection determination face home position mostly.Current main human eye location algorithm all comprises following two steps usually:
(1) face is detected with coarse positioning discrepancy face rectangular area
(2) in face rectangle region, carry out eyes carefully to locate
That is, current human eye location algorithm mainly locates the method for human eye under the condition of known person face approximate location, obviously, does like this and can reduce background interference, reduce region of search, thus improves precision and the speed of human eye detection.In fact, also there is function that is auxiliary and checking human eye location to Face datection location, such as, interpupillary distance is often used to geometric properties or the face normalization standard as size: in addition, if search the region meeting eye feature in the picture, this region is likely just the candidate regions of face, thus can other features of face be relied on further to recognize this candidate regions, and whether determine is human face region.
After carrying out eyeball identification by said method, determine eyeball position, by pre-setting the moving track of front-facing camera 3, this moving track is arranged on main part 1 inside and can meets this front-facing camera 3 and moves, after glasses recognition unit 5 identifies position of human eye, the tracks of adjustment front-facing camera 3 aims at eyeball position, to increase the accuracy of shooting to move to relevant position.Eye recognition unit 5 also can with the collaborative work of described front-facing camera 3, to avoid the working time of display screen 2; Also can run glasses recognition unit when display screen 2 works, after determining position of human eye, mobile described front-facing camera 3 again switching preamplifier camera 3 works.
The beneficial effect of this embodiment is, is increased the accuracy of shooting by eye recognition.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (10)
1. one kind has the mobile device of front-facing camera, described mobile device comprises main part (1) and is arranged at the display screen (2) on described main part (1), it is characterized in that, described mobile device also comprises front-facing camera (3), described front-facing camera (3) be arranged at the rear side of described display screen (2) and the inner side being positioned at described main part (1) to aim at described display screen (2), described front-facing camera (3) is for through described display screen (2) shooting image.
2. mobile device according to claim 1, it is characterized in that, described display screen (2) is transparent display screen, described mobile device also comprises control module (4), and described control module (4) is electrically connected with described display screen (2) and described front-facing camera (3);
Described control module (4) is for controlling the duty of described display screen (2) and described front-facing camera (3), wherein, the duty of described display screen (2) and described front-facing camera (3) includes opening and closed condition.
3. mobile device according to claim 2, is characterized in that, described mobile device also comprises timing unit (5), and described timing unit (5) and described control module (4) are electrically connected;
Described timing unit (5) is for arranging cycle and the alt time of the duty of described display screen (2) and described front-facing camera (3);
Described control module (4) also for alternately controlling the duty of described display screen (2) and described front-facing camera (3) within the cycle set by described timing unit (5) according to described alt time.
4. mobile device according to claim 3, is characterized in that, described mobile device also comprises ccd detector (6), and described ccd detector (6) and described control module (4) are electrically connected;
Described ccd detector (6) is for the brightness of sense ambient light.
5. mobile device according to claim 3, is characterized in that, described mobile device also comprises cmos detector (7), and described cmos detector (7) and described control module (4) are electrically connected;
Described cmos detector (7) is for the brightness of sense ambient light.
6. the mobile device according to claim 4 or 5, it is characterized in that, described control module (3) is also for described cycle and the alt time of the described display screen (2) described in the brightness adjustment according to described surround lighting set by timing unit (5) and described front-facing camera (3).
7. mobile device according to claim 1, it is characterized in that, the region of the described display screen (2) that described front-facing camera (3) is aimed at is transparent region, and the region of the out-of-alignment described display screen (2) of described front-facing camera (3) is nontransparent region.
8. mobile device according to claim 3, is characterized in that, described control module (4) also opens light transmission state for controlling described display screen (2) when starting state, closes light transmission state time in off position.
9. mobile device according to claim 3, is characterized in that, described mobile device also comprises eye recognition unit (8), and described eye recognition unit (8) and described control module (4) are electrically connected;
Described eye recognition unit (8) is for identifying the eye portion in the captured image of described front-facing camera (3);
Described control module (4) also for obtaining described eye position according to the eye portion that identifies, and controls described front-facing camera (3) and aims at described eye position.
10. mobile device according to claim 9, is characterized in that, described eye recognition unit (7) and described front-facing camera (1) collaborative work.
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