CN101488326A - Method and apparatus for dynamically regulating visual angle of screen - Google Patents
Method and apparatus for dynamically regulating visual angle of screen Download PDFInfo
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- CN101488326A CN101488326A CNA2008100033211A CN200810003321A CN101488326A CN 101488326 A CN101488326 A CN 101488326A CN A2008100033211 A CNA2008100033211 A CN A2008100033211A CN 200810003321 A CN200810003321 A CN 200810003321A CN 101488326 A CN101488326 A CN 101488326A
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Abstract
The invention discloses a method for adjusting screen viewing angle dynamically and a device thereof. The method is applicable to adjust the screen visual range of a hand-hold electronic device dynamically; wherein the screen has adjustable viewing angles. The method comprises the following steps: detecting the offset of a target object deviating from the screen visual range, and then adjusting the screen visual range dynamically according to the offset so as to cause the target objects included in the screen visual range. Hereby, the method can prevent the contents of screen pictures from being peeped by others and is convenient for users to watch screen pictures.
Description
Technical field
The invention relates to the method for a kind of adjustment screen viewing angle (Viewing angle), and particularly relevant for a kind of method and the device that can dynamically adjust screen viewing angle according to the relative position between device and user.
Background technology
Along with making rapid progress of science and technology, electronic product miscellaneous is also weeded out the old and bring forth the new.Wherein, hand-hold electronic devices such as mobile phone, PDA-phone and smart mobile phone can provide the user to carry out by the Windows of The built-in and write file, send and receive e-mail, browse network, or function such as instant messaging.That is to say that such hand-hold electronic device not only can be used for calling, more just like can provide various diversified functions as the small personal computers.And along with the progress of radio network technique, the use of these functions also no longer is subjected to the restriction on the time and space, and concerning everything stressed the modern of efficient, this class device became one of instrument indispensable in the life already.
Along with the universalness of these hand-hold electronic devices, how the security of its data of safekeeping also comes into one's own gradually.The data that stores in the hand-hold electronic device generally is and the closely-related telephone data of user itself, commercial data or other personal informations etc., has suitable privacy.If when using this type of hand-hold electronic device to browse data in public places,, and might be subjected to intentionally peeping of personage then because the visual angle of screen is unrestricted.
Data for fear of screen-picture leaks, and present a solution is that the angle of visibility with screen dwindles, and can watch the scope of screen so as to the limit user, and prevent that other people from peeping.With present product on the market is example, and some product is to stick one deck at screen to prevent peeping diaphragm, by the polarisation effect of diaphragm, covers the partly light of angle, and fixing visible angle only is provided; Another kind of product then is the LCD screen that adopts adjustable viewing angle, and the liquid crystal material in the conversion screen covers the screen backlight source and is sent to the partly light of angle, can reach the purpose at limit visual angle equally.
Yet, though use the way at above-mentioned limit visual angle can ensure that the unlikely stranger of suffering of screen-picture data peeps, its fixing visual angle also limit user's degree of freedom of watching screen.In detail, because the visible angle of screen is fixed, the user can only watch screen from fixing angle, but the user is when these hand-hold electronic devices of operation, may need to adjust at any time the visual angle of watching because of the factors such as light of the mode of holding, the posture of watching or external environment, this moment can only be with manual position and the angle of mode ambulatory handheld electronic installation to adjust its screen, allow the angle of visibility of screen towards user's front, the user can watch the picture of screen.Hence one can see that, and present way is still convenient inadequately.
Summary of the invention
In view of this, the invention provides the method for a kind of dynamic adjustment screen viewing angle (Viewing angle),, dynamically adjust screen viewing angle, it is kept towards the user front, to increase the operational convenience of user according to the relative position of user and screen.
The invention provides a kind of device of dynamic adjustment screen viewing angle,, adjust the position and the visual range of screen according to this, can prevent that the screen data from leaking by the variation of relative position between sensor hand-hold electronic device and the user.
For reaching above-mentioned or other purposes, the present invention proposes a kind of method of dynamic adjustment screen viewing angle, be suitable for dynamically adjusting the visual range of hand-hold electronic device screen, wherein this screen is the adjustable viewing angle screen, the method comprises the side-play amount of utilizing the sensor object to depart from the screen visual range earlier, and then dynamically adjust the visual range of screen according to this side-play amount, so that the visual range of screen includes object.
In the method for dynamic adjustment screen viewing angle of the present invention, the above-mentioned visual range of dynamically adjusting screen according to side-play amount, comprise liquid crystal material so that the visual range of screen includes the step of object, be sent to light beyond the adjusted visual range to cover the screen backlight source according to side-play amount dynamic translation screen.
In the method for dynamic adjustment screen viewing angle of the present invention, the above-mentioned step of utilizing the side-play amount of the visual range that the sensor object departs from screen comprises utilizes acceleration transducer (G sensor) to detect the normal angle of inclination of using of screen earlier, with the decision reference surface, and then utilize acceleration transducer to detect the side-play amount that present screen plane departs from this reference surface, to depart from the side-play amount of the visual range of screen as object.
In the method for dynamic adjustment screen viewing angle of the present invention, the above-mentioned step of utilizing the side-play amount of the visual range that the sensor object departs from screen comprises the image when utilizing image sensor acquisition object to watch screen, and then departs from the side-play amount of the visual range of screen according to the determining positions object of object in image.
In the method for dynamic adjustment screen viewing angle of the present invention, the above-mentioned utilization after the sensor object departs from the step of side-play amount of visual range of screen, also comprise according to this side-play amount, utilize the position and the angle of the screen position adjuster adjustment screen of hand-hold electronic device earlier, so that screen head for target thing, then utilize the sensor object to depart to adjust the side-play amount of the visual range of the screen after position and the angle once again, and dynamically adjust the visual range of screen according to this side-play amount, so that the visual range of screen includes object.
In the method for dynamic adjustment screen viewing angle of the present invention, above-mentioned object comprise user's face area and ocular one of them.
In the method for dynamic adjustment screen viewing angle of the present invention, above-mentioned visual range can be watched the scope that angle of visibility included of screen-picture for the user.
In the method for dynamic adjustment screen viewing angle of the present invention, above-mentioned hand-hold electronic device comprise mobile phone, personal digital assistant and notebook computer one of them.
The present invention proposes a kind of method of dynamic adjustment screen viewing angle, be suitable for dynamically adjusting the visual range of hand-hold electronic device screen, wherein screen is the adjustable viewing angle screen, the method comprises utilizes acceleration transducer to detect the side-play amount that present screen plane departs from the normal reference surface that uses of screen, and then dynamically adjust the visual range of screen according to this side-play amount, so that the visual range of screen includes object.
In the method for dynamic adjustment screen viewing angle of the present invention, the above-mentioned acceleration transducer that utilizes detects before the step of side-play amount that present screen plane departs from the normal reference surface that uses of screen, when also being included in the hand-hold electronic device startup, utilize acceleration transducer to detect the normal angle of inclination of using of screen, with the decision reference surface.
The present invention proposes a kind of method of dynamic adjustment screen viewing angle, be suitable for dynamically adjusting the visual range of hand-hold electronic device screen, wherein this screen is the adjustable viewing angle screen, the method comprises the image when utilizing image sensor acquisition object to watch screen, and depart from the side-play amount of the visual range of screen according to the determining positions object of object in image, last then dynamically adjust the visual range of screen according to this side-play amount, so that the visual range of screen includes object.
The present invention proposes a kind of device of dynamic adjustment screen viewing angle, and it comprises the adjustable viewing angle screen, sensor and control module.Wherein, sensor departs from the side-play amount of the visual range of adjustable viewing angle screen in order to detect the object region, and control module, in order to dynamically to adjust the visual range of adjustable viewing angle screen according to side-play amount, so that the visual range of screen includes the object region.
In the device of dynamic adjustment screen viewing angle of the present invention, above-mentioned sensor comprises acceleration transducer, and departs from the side-play amount of the normal reference surface that uses of adjustable viewing angle screen in order to the plane of detecting present adjustable viewing angle screen.
In the device of dynamic adjustment screen viewing angle of the present invention, above-mentioned sensor comprises image sensor, and in order to the image of acquisition object when watching screen, and departs from the side-play amount of the visual range of screen according to the determining positions object of object in image.
In the device of dynamic adjustment screen viewing angle of the present invention, above-mentioned adjustable viewing angle screen comprises the liquid crystal material, and in order to change according to side-play amount, to cover the visual range light in addition that adjustable viewing angle screen backlight source is sent to adjustment.
In the device of dynamic adjustment screen viewing angle of the present invention, the device of above-mentioned dynamic adjustment screen viewing angle, more comprise the screen position adjuster, in order to according to described side-play amount, adjust the position and the angle of adjustable viewing angle screen, so that adjustable viewing angle screen head for target thing, and described object comprise user's face area and ocular one of them.
In the device of dynamic adjustment screen viewing angle of the present invention, the device of above-mentioned dynamic adjustment screen viewing angle comprise mobile phone, personal digital assistant and notebook computer one of them.
Hand-hold electronic device of the present invention adopts the adjustable viewing angle screen, and utilize acceleration transducer to detect the angle that hand-hold electronic device tilts, or utilize image sensor to detect the variation of user position, control adjustment can be adjusted the visual range of screen according to this, can prevent that the screen data from leaking, increase the convenience of user's operation.
Description of drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated, wherein:
Fig. 1 is the device calcspar of the dynamic adjustment screen viewing angle that illustrates according to one embodiment of the invention.
Fig. 2 is the method flow diagram of the dynamic adjustment screen viewing angle that illustrates according to one embodiment of the invention.
Fig. 3 is the method flow diagram of the dynamic adjustment screen viewing angle that illustrates according to one embodiment of the invention.
Fig. 4 is the synoptic diagram of the method for the dynamic adjustment screen viewing angle that illustrates according to one embodiment of the invention.
Fig. 5 is the method flow diagram of the dynamic adjustment screen viewing angle that illustrates according to one embodiment of the invention.
Fig. 6 is the synoptic diagram of the method for the dynamic adjustment screen viewing angle that illustrates according to another embodiment of the present invention.
Fig. 7 is the method flow diagram of the dynamic adjustment screen viewing angle that illustrates according to one embodiment of the invention.
The main element symbol description:
100: adjusting gear
110: screen
120: sensor
130: user's eyes
S210～S220: each step of the method for the dynamic adjustment screen viewing angle of one embodiment of the invention
S310～S350: each step of the method for the dynamic adjustment screen viewing angle of one embodiment of the invention
S510～S550: each step of the method for the dynamic adjustment screen viewing angle of another embodiment of the present invention
S710～S740: each step of the method for the dynamic adjustment screen viewing angle of one embodiment of the invention
Embodiment
In general, it is that to aim at screen center with head be the best that the user watches the angle of screen, and the way of therefore present limit screen viewing angle also is that the visual range with screen is limited in certain angle in screen front.Yet, hand-hold electronic device may be because of user's the mode of holding, watch the influence of factors such as posture or external light, cause its angle of visibility (Viewing angle) changing at any time, just need to find out the angle of inclination of hand-hold electronic device or user's displacement this moment, and proofread and correct the angle of visibility of screen timely and appropriately, could allow the user still can see screen-picture in all cases.The present invention promptly is based on above-mentioned notion, and the cover that develops is out dynamically adjusted the method and the device of screen viewing angle.In order to make content of the present invention more clear, below the example that can implement according to this really as the present invention especially exemplified by embodiment.
Fig. 1 is the device calcspar of the dynamic adjustment screen viewing angle that illustrates according to one embodiment of the invention.Please refer to Fig. 1, the adjusting gear 100 of present embodiment comprises screen 110, a sensor 120 and a control module (not being illustrated among the figure), sensor 120 is suitable for detecting the angle of inclination of adjusting gear 100 or user's displacement, and allows this control module adjust the visual range of screen 110 according to this.This adjusting gear 100 for example is hand-hold electronic devices such as mobile phone, personal digital assistant or notebook computer, and screen 110 then is an adjustable viewing angle screen, with the next function of introducing each element in the adjusting gear 100 respectively:
120 of sensors are in order to detect the side-play amount that object departs from the visual range of screen 110.In detail, sensor 120 for example is an acceleration transducer (G sensor), and the side-play amount of its normal reference surface that uses is departed from the plane that can detect present screen 110; On the other hand, sensor 120 also can be an image sensor, and watches the image of screen 110 in order to the acquisition object, and departs from the side-play amount of the visual range of screen 110 according to the determining positions object of object in this image.Wherein, described object for example is not to use person's face area or ocular, and does not limit its scope.
It should be noted that after sensor 120 detects side-play amount adjusting gear 100 promptly can dynamically be adjusted the visual range of screen 110 according to this side-play amount, so that the visual range of screen 110 includes object.Illustrate that for an embodiment the present invention utilizes adjusting gear 100 dynamically to adjust the detailed step of screen viewing angle again with next.
Fig. 2 is the method flow diagram of the dynamic adjustment screen viewing angle that illustrates according to one embodiment of the invention.Please refer to Fig. 2, present embodiment is applicable to the visual range of adjusting the hand-hold electronic device screen.Wherein, described hand-hold electronic device for example is mobile phone, personal digital assistant or notebook computer, and its screen then is the adjustable viewing angle screen, below promptly introduces the detailed step of the method for present embodiment:
At first, utilize the sensor object that is configured on the hand-hold electronic device to depart from the side-play amount (step S210) of the visual range of screen.Wherein, the reason that analysis meeting causes user's (object) visual angle to depart from the screen visual range can be found, it mainly can divide into two kinds of situations: a kind of person of being to use is motionless and situation that hand-hold electronic device moves, this moment hand-hold electronic device itself position or the angle visual angle that may depart from the user because the user holds mode or the difference in storing orientation; Another kind is motionless and the situation that the user moves of hand-hold electronic device, and then be because the user watches the posture of screen or orientation to change this moment, naturally the visual range of screen is also just departed from its visual angle.
Below either way can cause the change of relative position between hand-hold electronic device and the user, and present embodiment is promptly at both of these case, utilization is configured in the side-play amount that sensor object on the hand-hold electronic device departs from the screen visual range, with the foundation as follow-up adjustment screen visual range.Wherein, above-mentioned visual range is to represent the user can watch the scope that angle of visibility included of screen-picture, described object comprises that then user's face area or ocular etc. can represent the actual zone of watching the screen position of user, and does not limit its scope.
Obtain object depart from the screen visual range side-play amount after, present embodiment promptly utilizes the characteristic of adjustable viewing angle screen, adjusts the visual range of screen according to measured side-play amount, so that the visual range of screen includes object (step S220).In detail, the adjustable viewing angle screen is the conversion that utilizes the liquid crystal material of screen, and covers the light that the screen backlight is sent, and makes the visual range limit of screen to certain specific angle.Present embodiment is after obtaining side-play amount, can determine the orientation of the screen angle of visibility of required adjustment according to the size of this side-play amount, the liquid crystal material of dynamic translation screen is sent to visual range light in addition to cover the screen backlight again, only keeps the light that is sent to visual range.In view of the above, can reach the present invention and dynamically adjust the purpose of screen viewing angle to prevent that other people from peeping.
What deserves to be mentioned is that for two kinds of situations that relative position between above-mentioned hand-hold electronic device and the user changes, the present invention also provides corresponding solution, respectively describes in detail for an embodiment with next again.
The situation that hand-hold electronic device moves at the user is motionless, hand-hold electronic device need be known the size of itself displacement, can extrapolate the side-play amount that it departs from the user region, and adjust the visual range of screen according to this.
Fig. 3 is the method flow diagram of the dynamic adjustment screen viewing angle that illustrates according to one embodiment of the invention.Please refer to Fig. 3, present embodiment is suitable for utilizing acceleration transducer to detect the displacement of hand-hold electronic device itself, and adjusts the visual range of hand-hold electronic device screen according to this.Wherein, described hand-hold electronic device for example is mobile phone, personal digital assistant or notebook computer, and its screen then is the adjustable viewing angle screen.
If will know the displacement size of hand-hold electronic device, reference surface of essential definition earlier is with the foundation as follow-up judgement, therefore present embodiment is to utilize acceleration transducer to detect the normal angle of inclination of using of screen when hand-hold electronic device starts earlier, to determine a reference surface (step S310).Wherein, because each user is accustomed to using the mode of (or using at present) hand-hold electronic device all inequality, the state that usefulness was put or held to hand-hold electronic device also can change, angle of inclination when therefore present embodiment detects screen in advance and normally uses is used as the foundation of follow-up judgement with the decision reference surface.
And when user's practical operation hand-hold electronic device, hand-hold electronic device still sustainable utilization acceleration transducer detects the variation at the angle of inclination of present screen plane, to judge whether screen plane departs from the reference surface of original definition (step S320), if judge that screen plane departs from reference surface, then further detect this plane and depart from the side-play amount of reference surface (step S340), with foundation as follow-up adjustment screen visual range; Otherwise,, then still keep the show state of original screen, and do not change the visual range (step S330) of screen if judge that screen plane does not depart from reference surface.
After obtaining the side-play amount of screen plane, hand-hold electronic device can dynamically be adjusted the visual range of screen according to this side-play amount, so that the visual range of screen includes object (being the user) (step S350).Wherein, the mode of adjusting the screen visual range then as described in the previous embodiment, can be reached by the liquid crystal material of conversion screen, so its detailed content does not repeat them here.
By said method, hand-hold electronic device can be adjusted the visual range of screen at any time according to the displacement of itself, reaches the purpose of dynamic adjustment.For instance, when judging screen plane when being offset to the right, hand-hold electronic device can be adjusted the visual range of its screen left, allows the user still can watch screen-picture.Fig. 4 is the synoptic diagram of the method for the dynamic adjustment screen viewing angle that illustrates according to one embodiment of the invention.Present embodiment is to utilize adjusting gear shown in Figure 1 100 dynamically to adjust the visual range of screen 110, please earlier with reference to Fig. 1, the visual range of screen 110 is the scopes that angle of visibility included that comprise 30 degree, this moment, user's eyes 130 still maintained the front of screen 110, so can watch the picture of screen 110.Yet in Fig. 4, screen 110 has turned to the right, and the visual range of screen 110 (shown in dotted line) also with turn to, the side-play amount of the sensor 110 of adjusting gear 100 (the being acceleration transducer in the present embodiment) screen that detects 110 is 15 degree at this moment, therefore hand-hold electronic device 100 visual range that is about to screen 110 is adjusted 15 degree left, and allows user's eyes 130 still can see the picture of screen 110.
On the other hand, the situation that the user moves at hand-hold electronic device is motionless, hand-hold electronic device need be known the size of user's displacement, can extrapolate the side-play amount that its screen visual range is departed from the user region, and adjusts the visual range of screen according to this.
Fig. 5 is the method flow diagram of the dynamic adjustment screen viewing angle that illustrates according to another embodiment of the present invention.Please refer to Fig. 5, present embodiment is suitable for utilizing image sensor to detect the displacement of object, and adjusts the visual range of hand-hold electronic device screen according to this.Wherein, described hand-hold electronic device for example is mobile phone, personal digital assistant or notebook computer, and its screen then is the adjustable viewing angle screen.
At first, utilize image sensor acquisition object to watch the image (step S510) of screen.Wherein, described object for example is not to use person's face area or ocular, described image sensor then for example is charge coupled cell (the Charge-Coupled Device that generally is configured on the hand-hold electronic device, CCD) video camera, it is the picture when taking the user and talk with.
Present embodiment is promptly taken the picture of user's hand-hold electronic device operation by image sensor, and utilizes image processing mechanism such as face recognition, finds out the position of object in picture, whether departs from the visual range (step S520) of screen to judge object.Wherein, hand-hold electronic device is for example by judging whether the position of object in picture is departed from the center of picture and judged whether object departs from the visual range of screen.
Departed from the visual range of screen if judge object, then hand-hold electronic device will decide object to depart from the side-play amount (step S540) of the visual range of screen according to the position of object in image, with the foundation as follow-up adjustment screen visual range; Otherwise,, then still keep the show state of original screen, and do not change the visual range (step S530) of screen if judge that screen plane does not depart from reference surface.
After obtaining the side-play amount of screen plane, hand-hold electronic device can dynamically be adjusted the visual range of screen according to this side-play amount, so that the visual range of screen includes object (step S550).Wherein, the mode of adjusting the screen visual range then as described in the previous embodiment, can be reached by the liquid crystal material of conversion screen, so its detailed content does not repeat them here.
By said method, hand-hold electronic device can be adjusted the visual range of screen at any time according to user's position, reaches the purpose of dynamic adjustment.For instance, when the position of judging the user when being offset to the right, hand-hold electronic device can be adjusted the visual range of its screen to the right, allows the user still can watch screen-picture.Fig. 6 is the synoptic diagram of the method for the dynamic adjustment screen viewing angle that illustrates according to another embodiment of the present invention.Present embodiment also is to utilize adjusting gear shown in Figure 1 100 dynamically to adjust the visual range of screen 110, please earlier with reference to Fig. 1, the visual range of screen 110 is the scopes that angle of visibility included that comprise 30 degree, this moment, user's eyes 130 still maintained the front of screen 110, so can watch the picture of screen 110.Yet in Fig. 6, the position of user's eyes 130 has been shifted to the right, analyzing the captured picture of sensor 120 (being image sensor in the present embodiment) of adjusting gear 100 this moment can find, user's eyes 130 have departed from the visual range (shown in dotted line) of original screen 110, and its side-play amount is 15 degree, adjusting gear 100 is promptly controlled its screen 110 its visual range is adjusted 15 degree to the right at this moment, and allows user's eyes 130 still can see the picture of screen 110.
By said method, no matter be the position change of hand-hold electronic device, or the user watch the direction of screen to change, all can be by the detection of sensor and the adjustment of screen visual range, allow the user can see the content of screen-picture whenever and wherever possible, and need not arduously with manual adjustment.
What deserves to be mentioned is that method of adjustment of the present invention also can be applicable to can be controlled in the hand-hold electronic device that screen moves automatically.In detail, this hand-hold electronic device is position and the angle that screen position adjuster of configuration is adjusted screen.And the above-mentioned method of adjustment of arranging in pairs or groups, the side-play amount that hand-hold electronic device can be measured according to sensor is stage by stage with the visual range migration object of screen.
For instance, Fig. 7 is the method flow diagram of the dynamic adjustment screen viewing angle that illustrates according to one embodiment of the invention.Please refer to Fig. 7, present embodiment is applicable to the visual range of adjusting the hand-hold electronic device screen.Wherein, described hand-hold electronic device for example is mobile phone, personal digital assistant or notebook computer, and its screen then is the adjustable viewing angle screen, below promptly introduces the detailed step of the method for present embodiment:
At first, utilize the sensor object that is configured on the hand-hold electronic device to depart from the side-play amount (step S710) of the visual range of screen.Wherein, the mode that detects side-play amount for example is to utilize acceleration transducer to detect the side-play amount of hand-hold electronic device itself, or utilize image sensor to detect the side-play amount of object, the detailed way of this dual mode is all stated clearly in previous embodiment, so do not repeat them here.
After recording side-play amount, promptly utilize the screen position adjuster to adjust the position and the angle of screen earlier, so that screen head for target thing (step S720).Wherein, this screen position adjuster for example is one and is configured in the main frame of hand-hold electronic device and the steering gear between the screen, can be in order to the position and the angle of rotating screen, and make the front of screen towards the zone at user place.
After the position and angle of adjusting screen, hand-hold electronic device will utilize the sensor object to depart from the side-play amount (step S730) of the visual range of screen once again, and dynamically adjust the visual range of screen according to this side-play amount, so that the visual range of screen includes object (step S740).Briefly, present embodiment can be considered and utilizes screen position adjuster rotating screen that the visual range of screen is carried out coarse adjustment earlier, then utilize the characteristic of screen adjustable viewing angle that the visual range of screen is finely tuned again, may ultimately reach the purpose of the visual range of rapid adjustment screen.
In sum, the method of dynamic adjustment screen viewing angle of the present invention and device are to detect the variation of the relative position between hand-hold electronic device and user by being configured in acceleration transducer on the hand-hold electronic device or image sensor, in time adjust the visual range of screen.In view of the above, except the content that can prevent screen-picture is spied on by the stranger, the content that self-adjusting mechanism also provides the user under any circumstance all can see screen-picture, the convenience of increase user hand-hold electronic device operation.
Though the present invention discloses as above with preferred embodiment; right its is not in order to qualification the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can doing a little modification and perfect, so protection scope of the present invention is when with being as the criterion that claims were defined.
Claims (13)
1. a method of dynamically adjusting screen viewing angle is suitable for a dynamically visual range of a screen of adjustment one hand-held electronic installation, and wherein this screen is an adjustable viewing angle screen, and this method comprises the following steps:
A side-play amount of the normal reference surface that uses of this screen is departed from a plane that utilizes an acceleration transducer to detect present this screen; And
Dynamically adjust this visual range of this screen according to this side-play amount, so that this visual range of this screen includes an object.
2. the method for dynamic adjustment screen viewing angle as claimed in claim 1 is characterized in that, is utilizing this acceleration transducer to detect before this plane of this screen at present departs from the step of this side-play amount of normal this reference surface that uses of this screen, also comprises:
When this hand-hold electronic device starts, utilize this acceleration transducer to detect the normal angle of inclination of using of this screen, to determine this reference surface.
3. the method for dynamic adjustment screen viewing angle as claimed in claim 1 is characterized in that, dynamically adjusts this visual range of this screen according to this side-play amount, comprises so that this visual range of this screen includes the step of this object:
According to a liquid crystal material of this this screen of side-play amount dynamic translation, be sent to adjusted this visual range light in addition with a backlight that covers this screen.
4. the method for dynamic adjustment screen viewing angle as claimed in claim 1 is characterized in that, is utilizing this acceleration transducer to detect after this plane of this screen at present departs from the step of this side-play amount of normal this reference surface that uses of this screen, also comprises:
According to this side-play amount, utilize a screen position adjuster of this hand-hold electronic device to adjust the position and the angle of this screen earlier, so that this screen is as far as possible towards this object;
This side-play amount of normal this reference surface that uses of this screen is departed from this plane that utilizes this acceleration transducer to detect present this screen again; And
Dynamically adjust this visual range of this screen according to this side-play amount, so that this visual range of this screen includes this object.
5. the method for dynamic adjustment screen viewing angle as claimed in claim 1 is characterized in that, the scope that this visual range can watch an angle of visibility of this screen-picture to be included for the user.
6. a method of dynamically adjusting screen viewing angle is suitable for a dynamically visual range of a screen of adjustment one hand-held electronic installation, and wherein this screen is an adjustable viewing angle screen, and this method comprises the following steps:
This image when utilizing an image sensor to capture an object to watch this screen;
This side-play amount that departs from this visual range of this screen according to this object of the determining positions of this object in this image; And
Dynamically adjust this visual range of this screen according to this side-play amount, so that this visual range of this screen includes this object.
7. the method for dynamic adjustment screen viewing angle as claimed in claim 6 is characterized in that, dynamically adjusts this visual range of this screen according to this side-play amount, comprises so that this visual range of this screen includes the step of this object:
According to a liquid crystal material of this this screen of side-play amount dynamic translation, be sent to adjusted this visual range light in addition with a backlight that covers this screen.
8. the method for dynamic adjustment screen viewing angle as claimed in claim 6 is characterized in that, is utilizing this acceleration transducer to detect after this plane of this screen at present departs from the step of this side-play amount of normal this reference surface that uses of this screen, also comprises:
According to this side-play amount, utilize a screen position adjuster of this hand-hold electronic device to adjust the position and the angle of this screen earlier, so that this screen is as far as possible towards this object;
This side-play amount of normal this reference surface that uses of this screen is departed from this plane that utilizes this acceleration transducer to detect present this screen again; And
Dynamically adjust this visual range of this screen according to this side-play amount, so that this visual range of this screen includes this object.
9. the method for dynamic adjustment screen viewing angle as claimed in claim 6 is characterized in that, the scope that this visual range can watch an angle of visibility of this screen-picture to be included for the user.
10. device of dynamically adjusting screen viewing angle comprises:
One adjustable viewing angle screen;
One sensor departs from a side-play amount of this visual range of this adjustable viewing angle screen in order to detect an object region; And
One control module is in order to dynamically to adjust a visual range of this adjustable viewing angle screen, so that this visual range of this screen includes this object region according to this side-play amount.
11. the device of dynamic adjustment screen viewing angle as claimed in claim 10, it is characterized in that, this sensor comprises an acceleration transducer, and it departs from this side-play amount of the normal reference surface that uses of this adjustable viewing angle screen in order to a plane of detecting present this adjustable viewing angle screen.
12. the device of dynamic adjustment screen viewing angle as claimed in claim 10, it is characterized in that, this sensor comprises an image sensor, it watches this image of this screen in order to capture this object, and departs from this side-play amount of this visual range of this screen according to this object of the determining positions of this object in this image.
13. the device of dynamic adjustment screen viewing angle as claimed in claim 10 is characterized in that, the scope that this visual range can watch an angle of visibility of this adjustable viewing angle screen-picture to be included for the user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100033211A CN101488326B (en) | 2008-01-16 | 2008-01-16 | Method and apparatus for dynamically regulating visual angle of screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100033211A CN101488326B (en) | 2008-01-16 | 2008-01-16 | Method and apparatus for dynamically regulating visual angle of screen |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201110038897.3A Division CN102096419B (en) | 2008-01-16 | 2008-01-16 | Method and device for dynamically regulating viewing angle of screen |
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