CN102866849A - Touch display screen closing method and mobile terminal thereof - Google Patents
Touch display screen closing method and mobile terminal thereof Download PDFInfo
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- CN102866849A CN102866849A CN2012103482670A CN201210348267A CN102866849A CN 102866849 A CN102866849 A CN 102866849A CN 2012103482670 A CN2012103482670 A CN 2012103482670A CN 201210348267 A CN201210348267 A CN 201210348267A CN 102866849 A CN102866849 A CN 102866849A
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- display screen
- touch display
- portable terminal
- closing
- camera
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Abstract
The invention discloses a touch display screen closing method and a mobile terminal thereof. The touch display screen closing method comprises the following steps of: S11, detecting the light intensity at the periphery of the environment located by the mobile terminal by a camera; and S12, if the light intensity is smaller than a first light intensity threshold value, closing a touch display screen, and otherwise repeating the S11. The invention also discloses the mobile terminal using the touch display screen closing method. According to the touch display screen closing method disclosed by the invention, a mode that the camera detects the environment light intensity generally existing in the mobile terminal is utilized to judge approaching of an object, so the touch display screen closing method is convenient to realize; and the contrast ratio of images collected by the camera is further utilized to improve the accuracy of judging the approaching of the object. In addition, the mobile terminal with the adoption of the touch display screen closing method has a simple structure and is convenient to realize; and in addition, any new hardware does not need to be added, so the realization cost is low.
Description
Technical field
The present invention relates to a kind of display screen method for closing and portable terminal thereof, particularly relate to a kind of method for closing of touch display screen and use the portable terminal of described method for closing.
Background technology
Now the portable terminal in the technology also mainly uses independent proximity transducer collocation LED(light emitting diode) mode of lamp realizes this function, wherein utilize the LED lamp to launch infrared light, thereby by proximity transducer detect through the reflection infrared light, thereby judge whether whether the user presses close to touch display screen, so correspondingly close the operation of touch display screen.
But this structure is strict for sealing structure, namely needs to carry out the sealing of light, if when having light leak or stray light between LED lamp and the proximity transducer, will have false triggering to occur.And the high expensive of this structure.
Summary of the invention
The technical problem to be solved in the present invention is the interference that is subject to easily ambient light for the mode that the judgment object that overcomes prior art approaches, and complex structure, the defective that cost is high, a kind of touch display screen method for closing and portable terminal thereof are provided, utilize the mode of ubiquitous camera testing environment light intensity in the portable terminal to realize that judgment object approaches, so simple in structure, be convenient to realize.
The present invention solves above-mentioned technical matters by following technical proposals:
The invention provides a kind of touch display screen method for closing, for closing of the touch display screen of controlling portable terminal, wherein said portable terminal comprises a camera and a touch display screen, is characterized in, described touch display screen method for closing may further comprise the steps:
S
11, described camera detects the light intensity of portable terminal environment of living in;
S
12, if described light intensity is less than one first Intensity threshold, closes the touch function of described touch display screen, otherwise repeating step S
11
The mode that the present invention utilizes the camera in the portable terminal to detect light intensity realizes the function of proximity transducer, and the size of the value of wherein said the first Intensity threshold can arrange arbitrarily.
Closing of described touch display screen can be realized by existing software or hardware approach in the portable terminal in addition, so give unnecessary details no longer in detail herein.
Preferably, described step S
11Before further comprising the steps of:
S
10, detect described portable terminal and whether be in electricity condition, if then open camera, and enter step S
11, otherwise repeating step S
10
Because the user of portable terminal can be with face near portable terminal when incoming call answering, so more need to close the generation that touch display screen prevents maloperation this moment, so need to begin correspondingly to open equally the light intensity that camera comes testing environment among the present invention when entering electricity condition.
Preferably, described step S
12For: if described light intensity less than one first Intensity threshold, is closed touch function and the Presentation Function of described touch display screen, otherwise repeating step S
11
Because touch display screen of the prior art not only has touch function and also has Presentation Function, so only close touch function in user face near portable terminal, screen can be wasted electric energy, and the brightness of screen also can exert an influence to the detection of camera.So also need to close further the Presentation Function of touch display screen among the present invention.
Preferably, described the first Intensity threshold is 0.1 Lux.
The present invention also provides a kind of touch display screen method for closing, for closing of the touch display screen of controlling portable terminal, wherein said portable terminal comprises a camera and a touch display screen, is characterized in, described touch display screen method for closing may further comprise the steps:
S
21, described camera detects the light intensity of portable terminal environment of living in;
S
22, if described light intensity is less than one first Intensity threshold, closes the touch function of described touch display screen, flow process finishes, otherwise enters step S
23
S
23, if described light intensity is less than one second Intensity threshold, enters step S
24, otherwise repeating step S
21
S
24, described camera takes an image, detects the color contrast difference of described image, if the contrast difference less than a contrast threshold, then enters step S
25, otherwise enter step S
21
S
25, close described touch display screen.
Among the present invention in order to improve the accuracy of detection, so increase further the deterministic process of the contrast of image.The color contrast difference of wherein said image refers in the image difference between the maximum-contrast and minimum contrast, i.e. the span value of the scope of contrast in the integral image in each pixel.
Preferably, described step S
22For: if described light intensity less than one first Intensity threshold, is closed touch function and the Presentation Function of described touch display screen, otherwise enter step S
23
Preferably, described step S
25For: touch function and the Presentation Function of closing described touch display screen.
Preferably, described step S
21Before further comprising the steps of:
S
20, detect described portable terminal and whether be in electricity condition, if then open camera, and enter step S
21, otherwise repeating step S
20
Preferably, described step S
24For:
Described camera is taken described image;
From described image, choose the color contrast of a plurality of pixels;
The color contrast difference that compares each pixel is if the contrast difference less than described contrast threshold, then enters step S
25, otherwise enter step S
21
Preferably, described the first Intensity threshold is 0.1 Lux, and described the second Intensity threshold is 2 Luxs, and described contrast threshold is 0.
The present invention also provides a kind of portable terminal, and it comprises a camera, a touch display screen, a processor, a CTP(capacitance touch screen) module, be characterized in that described camera detects the light intensity of portable terminal surrounding environment; When described processor detected described light intensity less than first Intensity threshold, described CTP module was closed the touch function of described touch display screen.
It all is device, unit or elements commonly used in the existing portable terminal that each of wherein said portable terminal forms device, unit or element, so give unnecessary details no longer in detail herein.
Preferably, described the first Intensity threshold is 0.1 Lux.
Preferably, when described processor detects described light intensity more than or equal to described the first Intensity threshold and less than second Intensity threshold, and the color contrast difference that described processor also detects the image that described camera takes is during less than a contrast threshold, and described CTP module is closed the touch function of described touch display screen.
Preferably, described processor detects described light intensity more than or equal to described the first Intensity threshold and less than described the second Intensity threshold, and the color contrast difference in the described image that described camera is taken between a plurality of pixels is during less than described contrast threshold, and described CTP module is closed the touch function of described touch display screen.
Preferably, described portable terminal comprises that also a LCD shows module, and described LCD demonstration module is closed the Presentation Function of described touch display screen when described CTP module is closed the touch function of described touch display screen.
Preferably, described the second Intensity threshold is 2 Luxs, and described contrast threshold is 0.
On the basis that meets this area general knowledge, above-mentioned each optimum condition, but combination in any namely get the preferred embodiments of the invention.
Positive progressive effect of the present invention is:
The mode of ubiquitous camera testing environment light intensity in the portable terminal of utilizing touch display screen method for closing of the present invention realizes that judgment object approaches, and institute is so that realize.
And the present invention further utilizes the contrast of camera collection image to improve the accuracy that judgment object approaches.
Adopt in addition the mobile terminal structure of touch display screen method for closing of the present invention simple, be convenient to realize, and do not need to add any new hardware, so realize that cost is low.
Description of drawings
Fig. 1 is the process flow diagram of the touch display screen method for closing of preferred embodiment of the present invention.
Fig. 2 is the structural representation of the portable terminal of preferred embodiment of the present invention.
Embodiment
Mode below by embodiment further specifies the present invention, but does not therefore limit the present invention among the described scope of embodiments.
Utilize the light intensity of the camera collection that has portable terminal now and the touch display screen that image need to judge whether turning-off mobile terminal in the present embodiment.Thereby close when being necessary touch display screen, prevent user's maloperation, especially, when user's incoming call answering, because the loudspeaker of portable terminal is arranged near the touch display screen, so user ear is near loudspeaker the time, can cause the maloperation of touch display screen, therefore need to when user's incoming call answering, close touch display screen, prevent the generation of maloperation.
So as shown in Figure 2, the portable terminal 1 of present embodiment comprises that a camera 11, a touch display screen 12, a processor 13 and a CTP module 14 and a LCD show module 15.
Wherein said camera 11 preferably is arranged at the portable terminal head, especially waits the user in the portable terminal near the loudspeaker when receiving calls, the part that face can block.Thereby the user is when receiving calls, can autoshutdown touch display screen 12.
Described CTP module 14 and LCD show that module 15 is used for the control Presentation Function of touch display screen and closing of touch function.Remaining part all is device, unit or elements commonly used in the existing portable terminal, so give unnecessary details no longer in detail herein.
Wherein said camera 11 detects the light intensity L of portable terminal 1 surrounding environment; When described processor 13 detected described light intensity L less than one first Intensity threshold Lt1, described CTP module 14 and LCD demonstration module 15 were closed described touch display screen 12.
And described processor 13 is when detecting described light intensity more than or equal to described the first Intensity threshold Lt1 and less than one second Intensity threshold Lt2, and the difference D that described processor 13 also detects the color contrast between a plurality of pixels in the image that described camera 11 takes is during less than a contrast threshold Dt, and described CTP module 14 and LCD show that module 15 closes Presentation Function and the touch function of described touch display screen 12.
Wherein choose 5 pixels in the present embodiment in described image, described 5 pixels are uniformly distributed in the described image, in addition can be according to the feature of image that gathers, and the pixel that adopts varying number and in image, have different distributions.
The specific works principle of the portable terminal of present embodiment is as follows:
Wherein said the first Intensity threshold Lt1 is 0.1 Lux, and described the second Intensity threshold Lt2 is 2 Luxs, and described contrast threshold Dt is 0.Wherein said the first Intensity threshold Lt1, the second Intensity threshold Lt2 can arrange different values according to concrete needs with contrast threshold Dt.
Whether step 1, the described portable terminal 1 of detection are in electricity condition, if, then open camera 11, and enter step 2, otherwise repeating step 1.
Step 2, described camera 11 detects the light intensity L of portable terminal 1 environment of living in.
Step 4, if described light intensity L enters step less than described the second Intensity threshold Lt2,5, otherwise return step 2.
Step 5, described camera 11 is taken an image.
Step 6 is chosen the color contrast of 5 pixels from described image, wherein said 5 pixels are uniformly distributed in the described image.
Step 7, the difference D of the color contrast of each pixel of comparison, if the difference D of contrast then enters step less than described contrast threshold Dt, 8, otherwise enter step 2.
Step 8 is closed described touch display screen 12.
Although more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art can make various changes or modifications to these embodiments under the prerequisite that does not deviate from principle of the present invention and essence, but these changes and modification all fall into protection scope of the present invention.
Claims (16)
1. touch display screen method for closing is used for the closing of touch display screen of control portable terminal, and wherein said portable terminal comprises a camera and a touch display screen, it is characterized in that, described touch display screen method for closing may further comprise the steps:
S
11, described camera detects the light intensity of portable terminal environment of living in;
S
12, if described light intensity is less than one first Intensity threshold, closes the touch function of described touch display screen, otherwise repeating step S
11
2. touch display screen method for closing as claimed in claim 1 is characterized in that, described step S
11Before further comprising the steps of:
S
10, detect described portable terminal and whether be in electricity condition, if then open camera, and enter step S
11, otherwise repeating step S
10
3. touch display screen method for closing as claimed in claim 1 is characterized in that, described step S
12For:
If described light intensity less than one first Intensity threshold, is closed touch function and the Presentation Function of described touch display screen, otherwise repeating step S
11
4. touch display screen method for closing as claimed in claim 1 or 2 is characterized in that, described the first Intensity threshold is 0.1 Lux.
5. touch display screen method for closing is used for the closing of touch display screen of control portable terminal, and wherein said portable terminal comprises a camera and a touch display screen, it is characterized in that, described touch display screen method for closing may further comprise the steps:
S
21, described camera detects the light intensity of portable terminal environment of living in;
S
22, if described light intensity is less than one first Intensity threshold, closes the touch function of described touch display screen, flow process finishes, otherwise enters step S
23
S
23, if described light intensity is less than one second Intensity threshold, enters step S
24, otherwise repeating step S
21
S
24, described camera takes an image, detects the color contrast difference of described image, if the contrast difference less than a contrast threshold, then enters step S
25, otherwise enter step S
21
S
25, close the touch function of described touch display screen.
6. touch display screen method for closing as claimed in claim 5 is characterized in that, described step S
21Before further comprising the steps of:
S
20, detect described portable terminal and whether be in electricity condition, if then open camera, and enter step S
21, otherwise repeating step S
20
7. touch display screen method for closing as claimed in claim 5 is characterized in that, described step S
24For:
Described camera is taken described image;
From described image, choose the color contrast of a plurality of pixels;
The color contrast difference that compares each pixel is if the contrast difference less than described contrast threshold, then enters step S
25, otherwise enter step S
21
8. touch display screen method for closing as claimed in claim 5 is characterized in that, described step S
22For:
If described light intensity less than one first Intensity threshold, is closed touch function and the Presentation Function of described touch display screen, otherwise enters step S
23
9. touch display screen method for closing as claimed in claim 5 is characterized in that, described step S
25For:
Close touch function and the Presentation Function of described touch display screen.
10. such as each described touch display screen method for closing among the claim 5-9, it is characterized in that described the first Intensity threshold is 0.1 Lux, described the second Intensity threshold is 2 Luxs, and described contrast threshold is 0.
11. a portable terminal, it comprises a camera, a touch display screen, a processor and a CTP module, it is characterized in that, described camera detects the light intensity of portable terminal surrounding environment; When described processor detected described light intensity less than first Intensity threshold, described CTP module was closed the touch function of described touch display screen.
12. portable terminal as claimed in claim 11 is characterized in that, described the first Intensity threshold is 0.1 Lux.
13. portable terminal as claimed in claim 11, it is characterized in that, when described processor detects described light intensity more than or equal to described the first Intensity threshold and less than second Intensity threshold, and the color contrast difference that described processor also detects the image that described camera takes is during less than a contrast threshold, and described CTP module is closed the touch function of described touch display screen.
14. portable terminal as claimed in claim 13, it is characterized in that, described processor detects described light intensity more than or equal to described the first Intensity threshold and less than described the second Intensity threshold, and the color contrast difference in the described image that described camera is taken between a plurality of pixels is during less than described contrast threshold, and described CTP module is closed the touch function of described touch display screen.
15. such as each described portable terminal among the claim 11-14, it is characterized in that, described portable terminal comprises that also a LCD shows module, and described LCD demonstration module is closed the Presentation Function of described touch display screen when described CTP module is closed the touch function of described touch display screen.
16. portable terminal as claimed in claim 15 is characterized in that, described the second Intensity threshold is 2 Luxs, and described contrast threshold is 0.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210348267.0A CN102866849B (en) | 2012-09-18 | 2012-09-18 | Touch display screen closing method and mobile terminal thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210348267.0A CN102866849B (en) | 2012-09-18 | 2012-09-18 | Touch display screen closing method and mobile terminal thereof |
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| CN102866849A true CN102866849A (en) | 2013-01-09 |
| CN102866849B CN102866849B (en) | 2015-06-24 |
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| CN201210348267.0A Active CN102866849B (en) | 2012-09-18 | 2012-09-18 | Touch display screen closing method and mobile terminal thereof |
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| CN108012082A (en) * | 2017-12-12 | 2018-05-08 | 青岛海信移动通信技术股份有限公司 | A kind of terminal reduces the method and terminal of power consumption |
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| CN102866849B (en) | 2015-06-24 |
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Address after: 201203 Shanghai city Pudong New Area Zhangjiang Keyuan Road No. 399 Building No. 1 Patentee after: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. Address before: 201203 Shanghai city Pudong New Area Zhangjiang Keyuan Road No. 399 Building No. 1 Patentee before: SHANGHAI HUAQIN TELECOM TECHNOLOGY Co.,Ltd. |
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Address after: Building 1, No. 399 Keyuan Road, Zhangjiang hi tech park, Pudong New Area, Shanghai, 201203 Patentee after: Huaqin Technology Co.,Ltd. Address before: 201203 Building 1, 399 Zhangyuan Road, Zhangjiang, Pudong New Area, Shanghai Patentee before: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. |