CN106778174A - A kind of display control method, device and mobile terminal - Google Patents
A kind of display control method, device and mobile terminal Download PDFInfo
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- CN106778174A CN106778174A CN201611177864.6A CN201611177864A CN106778174A CN 106778174 A CN106778174 A CN 106778174A CN 201611177864 A CN201611177864 A CN 201611177864A CN 106778174 A CN106778174 A CN 106778174A
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- 208000008918 voyeurism Diseases 0.000 claims abstract description 37
- 230000000007 visual effect Effects 0.000 claims description 81
- 230000002265 prevention Effects 0.000 claims description 29
- 210000005252 bulbus oculi Anatomy 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 abstract description 5
- 210000000554 iris Anatomy 0.000 description 27
- 210000001508 eye Anatomy 0.000 description 19
- 239000011521 glass Substances 0.000 description 14
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/83—Protecting input, output or interconnection devices input devices, e.g. keyboards, mice or controllers thereof
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Abstract
The invention discloses a kind of display control method, device and mobile terminal, the low technical problem of security that content shows is carried out to solve display unit in the prior art.The method includes：The display unit of mobile terminal is controlled to be in dispaly state；Judge the mobile terminal whether in anti-peeping pattern；If the mobile terminal is in the anti-peeping pattern, the visible angle of the display unit is controlled to be located at the first predetermined angle scope, the first predetermined angle scope is different from the second predetermined angle scope, and the second predetermined angle scope is the visible angle that the mobile terminal is under non-anti-peeping pattern.The technique effect of the security for improving the display content that display unit is exported is reached.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a display control method and device and a mobile terminal.
Background
With the continuous development of science and technology, electronic technology has also gained rapid development, and the variety of electronic products is also more and more, and people also enjoy various conveniences brought by the development of science and technology. People can enjoy comfortable life brought along with the development of science and technology through various types of mobile terminals. For example, mobile terminals such as smart phones and tablet computers have become an important part of people's lives, and users can listen to music, play games and the like by using the mobile terminals such as smart phones and tablet computers, so as to relieve pressure brought by modern fast-paced lives.
In general, a mobile terminal includes a display unit, and various display contents can be output through the display unit, for example: the received information (such as short messages, multimedia messages, mails, instant messaging information, and the like) is output, and the network access content (such as blog content, forum posts, network search results, and the like) is output.
Disclosure of Invention
In view of the above, the present invention has been made to provide a display control method, apparatus and mobile terminal that overcome or at least partially solve the above problems.
In a first aspect, an embodiment of the present invention provides a display control method, including:
controlling a display unit of the mobile terminal to be in a display state;
judging whether the mobile terminal is in a peep-proof mode or not;
and if the mobile terminal is in the peeping prevention mode, controlling the visual angle of the display unit to be in a first preset angle range, wherein the first preset angle range is different from a second preset angle range, and the second preset angle range is the visual angle of the mobile terminal in the non-peeping prevention mode.
Optionally, before the controlling the visual angle of the display unit is in the first preset angle range, the method further includes:
determining a preset user viewing the display content;
detecting and obtaining a viewing angle of the preset user for viewing the display unit;
and controlling the visual angle to be positioned in the first preset angle range based on the viewing visual angle.
Optionally, the determining a preset user viewing the display content includes:
determining a distance value between a user viewing the display content and the mobile terminal;
and determining the user closest to the mobile terminal as the preset user based on the distance value.
Optionally, the determining a preset user viewing the display content includes:
determining a first physical characteristic of a user viewing the display content;
matching the first body characteristics of each user with the pre-stored preset body characteristics of the preset user;
and determining the user corresponding to the first body characteristic successfully matched with the preset body characteristic as the preset user.
Optionally, the physical characteristics include: at least one body characteristic of iris characteristic, eyeball characteristic and face characteristic.
Optionally, the detecting and obtaining a viewing angle at which a preset user views the display unit includes:
determining an area where a preset body part of the preset user is located;
and determining the viewing angle based on the area where the preset body part is located.
Optionally, the determining the area where the preset body part of the preset user is located includes:
acquiring image data within a preset distance range of the mobile terminal through a camera, and matching the image data with preset body part characteristics of a preset user so as to determine an area where the preset body part is located; or,
obtaining the area where the preset body part is located through ultrasonic detection; or,
and if the preset body part is the iris of the preset user, detecting and obtaining the area where the preset body part is located through an iris tracking technology.
Optionally, the detecting and obtaining a viewing angle at which a preset user views the display unit includes:
and determining the watching visual angle of the preset user through an eyeball tracking technology.
Optionally, after the controlling the visual angle of the display unit is in the first preset angle range, the method further includes:
judging whether the viewing angle of the preset user is adjusted from a first viewing angle to a second viewing angle;
and if so, controlling the visual angle of the display unit to be adjusted to a third preset angle range corresponding to the second viewing angle due to the first preset angle range corresponding to the first viewing angle.
Optionally, the first preset angle range is a set fixed angle range.
Optionally, the controlling the visual angle of the display unit to be within a first preset angle range includes:
controlling the visual angle to be within the first preset angle range by controlling the deflection angle of a grating arranged in the display unit; or,
the display unit comprises a display structure and a protruding structure arranged at the bottom of the display structure, and the arrangement mode of the display structure is adjusted by changing the protruding height of the protruding structure, so that the visual angle is in the first preset angle range.
Optionally, the display unit surface is provided with a peep-proof membrane, control the visual angle of display unit is located first preset angle scope, include:
the peep-proof film is controlled to be in the opening state, and then the visual angle is controlled to be located in the first preset angle range.
Optionally, the determining whether the mobile terminal is in the peep-proof mode includes:
judging whether preset operation generated by a user of the mobile terminal and used for controlling the mobile terminal to enter the peeping prevention mode is detected; if the preset operation is detected, determining that the mobile terminal is in the peeping prevention mode; or,
and judging whether the display content of the mobile terminal is preset content or not, and if the display content is the preset content, determining that the mobile terminal is in the peeping prevention mode.
In a second aspect, an embodiment of the present invention provides a display control apparatus, including:
the first control module is used for controlling a display unit of the mobile terminal to be in a display state;
the first judgment module is used for judging whether the mobile terminal is in an anti-peeping mode or not;
and the second control module is used for controlling the visual angle of the display unit to be within a first preset angle range if the mobile terminal is in the peep-proof mode, wherein the first preset angle range is different from a second preset angle range, and the second preset angle range is the visual angle of the mobile terminal in the non-peep-proof mode.
Optionally, the apparatus further comprises:
the determining module is used for determining a preset user for viewing the display content;
the detection module is used for detecting and obtaining a viewing angle of the preset user for viewing the display unit;
the second control module is used for controlling the visual angle to be located in the first preset angle range based on the viewing visual angle.
Optionally, the determining module includes:
the first determining unit is used for determining a distance value between a user viewing the display content and the mobile terminal;
and a second determining unit, configured to determine, based on the distance value, that the user closest to the mobile terminal is the preset user.
Optionally, the determining module includes:
a third determining unit, configured to determine a first physical characteristic of a user viewing the display content;
the matching unit is used for matching the first body characteristics of each user with the pre-stored preset body characteristics of the preset user;
a fourth determining unit, configured to determine, as the preset user, a user corresponding to the first body feature successfully matched with the preset body feature.
Optionally, the physical characteristics include: at least one body characteristic of iris characteristic, eyeball characteristic and face characteristic.
Optionally, the detection module includes:
a fifth determining unit, configured to determine an area where a preset body part of the preset user is located;
a sixth determining unit, configured to determine the viewing angle based on an area where the preset body part is located.
Optionally, the fifth determining unit is configured to:
acquiring image data within a preset distance range of the mobile terminal through a camera, and matching the image data with preset body part characteristics of a preset user so as to determine an area where the preset body part is located; or,
obtaining the area where the preset body part is located through ultrasonic detection; or,
and if the preset body part is the iris of the preset user, detecting and obtaining the area where the preset body part is located through an iris tracking technology.
Optionally, the detection module is configured to:
and determining the watching visual angle of the preset user through an eyeball tracking technology.
Optionally, the apparatus further comprises:
the second judgment module is used for judging whether the watching visual angle of the preset user is adjusted from a first watching visual angle to a second watching visual angle;
and the third control module is used for controlling the visual angle of the display unit to be adjusted to a third preset angle range corresponding to the second viewing angle due to the first preset angle range corresponding to the first viewing angle if the judgment result of the second judgment module is yes.
Optionally, the first preset angle range is a set fixed angle range.
Optionally, the second control module is configured to:
controlling the visual angle to be within the first preset angle range by controlling the deflection angle of a grating arranged in the display unit; or,
when the display unit comprises a display structure and a protrusion structure arranged at the bottom of the display structure, the arrangement mode of the display structure is adjusted by changing the protrusion height of the protrusion structure, so that the visual angle is in the first preset angle range.
Optionally, the display unit surface is provided with a peep-proof membrane, and the second control module is configured to:
the peep-proof film is controlled to be in the opening state, and then the visual angle is controlled to be located in the first preset angle range.
Optionally, the first determining module is configured to:
judging whether preset operation generated by a user of the mobile terminal and used for controlling the mobile terminal to enter the peeping prevention mode is detected; if the preset operation is detected, determining that the mobile terminal is in the peeping prevention mode; or,
and judging whether the display content of the mobile terminal is preset content or not, and if the display content is the preset content, determining that the mobile terminal is in the peeping prevention mode.
In a third aspect, an embodiment of the present invention provides a mobile terminal, including:
a display unit for displaying the content of the mobile terminal;
the processor is connected with the display unit and used for controlling the display unit of the mobile terminal to be in a display state; judging whether the mobile terminal is in a peep-proof mode or not; and if the mobile terminal is in the peeping prevention mode, controlling the visual angle of the display unit to be in a first preset angle range, wherein the first preset angle range is different from a second preset angle range, and the second preset angle range is the visual angle of the mobile terminal in the non-peeping prevention mode.
Optionally, the processor is further configured to:
determining a preset user viewing the display content;
detecting and obtaining a viewing angle of the preset user for viewing the display unit;
and controlling the visual angle to be positioned in the first preset angle range based on the viewing visual angle.
Optionally, the processor is further configured to:
determining a distance value between a user viewing the display content and the mobile terminal;
and determining the user closest to the mobile terminal as the preset user based on the distance value.
Optionally, the processor is configured to:
determining a first physical characteristic of a user viewing the display content;
matching the first body characteristics of each user with the pre-stored preset body characteristics of the preset user;
and determining the user corresponding to the first body characteristic successfully matched with the preset body characteristic as the preset user.
Optionally, the physical characteristics include: at least one body characteristic of iris characteristic, eyeball characteristic and face characteristic.
Optionally, the processor is configured to:
determining an area where a preset body part of the preset user is located;
and determining the viewing angle based on the area where the preset body part is located.
Optionally, the mobile terminal further includes: the camera is connected to the processor; the processor is configured to: acquiring image data within a preset distance range of the mobile terminal through a camera, and matching the image data with preset body part characteristics of a preset user so as to determine an area where the preset body part is located; or,
the processor is used for obtaining the area where the preset body part is located through ultrasonic detection; or,
and the processor is used for detecting and acquiring the area where the preset body part is located through an iris tracking technology if the preset body part is the iris of the preset user.
Optionally, the processor is configured to:
and determining the watching visual angle of the preset user through an eyeball tracking technology.
Optionally, the processor is configured to:
judging whether the viewing angle of the preset user is adjusted from a first viewing angle to a second viewing angle;
and if so, controlling the visual angle of the display unit to be adjusted to a third preset angle range corresponding to the second viewing angle due to the first preset angle range corresponding to the first viewing angle.
Optionally, the first preset angle range is a set fixed angle range.
Optionally, the mobile terminal further includes: the grating is arranged inside the display unit; the processor is used for controlling the visual angle to be within the first preset angle range by controlling the deflection angle of the grating; or,
the display unit includes: the display structure comprises a display structure and a protrusion structure arranged at the bottom of the display structure; the processor is used for adjusting the arrangement mode of the display structures by changing the height of the protrusions of the protrusion structures, so that the visual angle is within the first preset angle range.
Optionally, the mobile terminal further includes: the peep-proof film is arranged on the surface of the display unit; the processor is used for controlling the peep-proof film to be in the opening state, and further controlling the visual angle to be within the first preset angle range.
Optionally, the processor is configured to:
judging whether preset operation generated by a user of the mobile terminal and used for controlling the mobile terminal to enter the peeping prevention mode is detected; if the preset operation is detected, determining that the mobile terminal is in the peeping prevention mode; or,
and judging whether the display content of the mobile terminal is preset content or not, and if the display content is the preset content, determining that the mobile terminal is in the peeping prevention mode.
The technical scheme provided in the embodiment of the application at least has the following technical effects or advantages:
in the embodiment of the invention, after the display unit is controlled to be in the display state, whether the mobile terminal is in the peep-proof mode can be judged, if the mobile terminal is in the peep-proof mode, the visual angle of the display unit is adjusted to be the first preset angle range so as to be different from the second preset angle range in the non-peep-proof mode, and therefore, part of users who can see the display content in the non-peep-proof mode cannot view the display content, and the technical effect of improving the safety of the display content output by the display unit is achieved.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 shows a flow diagram of a display control method according to one embodiment of the invention;
fig. 2 is a block diagram showing a display control apparatus according to an embodiment of the present invention;
fig. 3 illustrates a block diagram of a mobile terminal according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The embodiment of the invention provides a display control method, a display control device and a mobile terminal, which are used for solving the technical problem of low safety of content display of a display unit in the prior art.
In a first aspect, an embodiment of the present invention provides a display control method, please refer to fig. 1, including:
step S101: controlling a display unit of the mobile terminal to be in a display state;
step S102: judging whether the mobile terminal is in a peep-proof mode or not;
step S103: and if the mobile terminal is in the peeping prevention mode, controlling the visual angle of the display unit to be in a first preset angle range, wherein the first preset angle range is different from a second preset angle range, and the second preset angle range is the visual angle of the mobile terminal in the non-peeping prevention mode.
For example, the scheme is applied to a mobile terminal with a display function, such as: cell-phones, tablet, smart watch, smart glasses, and so on.
In step S101, the display unit may be controlled to be in a display state by controlling the display unit to be in an unlocked state, and in the display state, the display unit may display any content, such as displaying an operation interface of various APPs (Application), displaying an information receiving interface, displaying an information interaction interface, and the like.
In a specific implementation process, the mobile terminal may be controlled to enter the peep-proof mode in multiple application scenarios, so that the manner of determining whether the mobile terminal is in the peep-proof mode in step S102 is also different, and two of them are listed below for description, but the specific implementation process is not limited to the following two cases.
The first method, the determining whether the mobile terminal is in the peep-proof mode, includes: judging whether preset operation generated by a user of the mobile terminal and used for controlling the mobile terminal to enter the peeping prevention mode is detected; and if the preset operation is detected, determining that the mobile terminal is in the peep-proof mode.
For example, it may be preset to control the mobile terminal to enter the peep-proof mode through a preset operation, so that the mobile terminal may be controlled to enter the peep-proof mode under the condition that the display unit displays any content, where the preset operation may be preset by the system or preset by a user of the mobile terminal, where the preset operation is, for example: and clicking a preset operation, generating a preset gesture, generating a preset voice control instruction, and the like, and if the preset operation is detected, controlling the mobile terminal to enter a peep-proof mode by the mobile terminal. Based on the scheme, the mobile terminal can be controlled to enter the peep-proof mode in any application scene, so that the mobile terminal can be controlled to enter the peep-proof mode more flexibly.
The second way, the judging whether the mobile terminal is in the peep-proof mode includes: and judging whether the display content of the mobile terminal is preset content or not, and if the display content is the preset content, determining that the mobile terminal is in the peeping prevention mode.
For example, the preset content may include a plurality of contents, such as: presetting content generated by APP, wherein the APP is preset as follows: the mobile terminal comprises instant messaging software, an address book and the like, wherein when a user chats with other users through the instant messaging software, the generated chatting content is not expected to be seen by other users, so that the mobile terminal can be controlled to be in an anti-peeping mode under the condition; generating contents in a preset time period, wherein the preset time period is as follows: in the working time period (for example: 9: 00-17: 00, 9: 30-17: 30, and the like), and the time period corresponding to the working and leaving time periods (for example: 8: 00-9: 00, 17: 00-18: 00, and the like), other users often exist around the user in the preset time period, and in order to prevent the display content of the mobile terminal from being viewed by other users, the mobile terminal can be controlled to enter the peeping prevention mode; and thirdly, the content generated in the preset place is, for example, a public place (for example, a vehicle, a shopping mall, and the like), and a plurality of strangers often exist around the user in the preset place.
The rule of the preset content can be preset by a user, so that when the mobile terminal is in a display state, whether the output display content is the preset content or not can be automatically detected, if the output display content is the preset content, the mobile terminal is controlled to enter the peeping prevention mode, the mobile terminal does not need to be manually controlled to enter the peeping prevention mode based on the scheme, the control efficiency is higher, and the situation that the privacy is leaked due to the fact that the user forgets to control the mobile terminal to enter the peeping prevention mode can be prevented.
In step S103, the first preset angle range may be determined in a variety of ways, and two of the angle ranges are listed below for description, and of course, in the specific implementation process, the first preset angle range is not limited to the following two cases.
First, the first preset angle range is a set fixed angle range.
When the mobile terminal is in the non-privacy protection mode, the corresponding second preset angle range is, for example: 80 °, 85 °, and so on to the left and right, in which case the display content of the display unit can be viewed at a viewing angle of 0 ° perpendicular to the display unit, within 80 ° (or 85 °) from the 0 ° angle; when the mobile terminal is in the privacy protection mode, the first preset angle range may be controlled to be a fixed angle range and smaller than a second preset angle range, for example: 45 degrees, 50 degrees and the like on the left and right, so that the display content of the display unit can be viewed at a viewing angle within 45 degrees (or 50 degrees and the like) of the 0 degree, so that the display content can be viewed by a user facing the mobile terminal.
Secondly, before the controlling the visual angle of the display unit is in a first preset angle range, the method further comprises: determining a preset user viewing the display content; detecting and obtaining a viewing angle of the preset user for viewing the display unit; and controlling the visual angle to be positioned in the first preset angle range based on the viewing visual angle.
In the specific implementation process, the preset user may be determined in various ways, and two of them are listed below for description, of course, in the specific implementation process, the preset user is not limited to the following two cases.
(1) The determining the preset user viewing the display content includes: determining a distance value between a user viewing the display content and the mobile terminal; and determining the user closest to the mobile terminal as the preset user based on the distance value.
For example, among the users viewing the mobile terminal, the user of the mobile terminal (i.e., the preset user) is usually located right in front of the mobile terminal to view the mobile terminal, and therefore the distance between the user of the mobile terminal and the mobile terminal is the closest, so that at least one user around the mobile terminal can be determined first, then the distance value between each user and the mobile terminal is detected one by one through the distance sensor, and finally the user with the shortest distance value is determined to be the preset user.
(2) The determining the preset user viewing the display content includes: determining a first physical characteristic of a user viewing the display content; matching the first body characteristics of each user with the pre-stored preset body characteristics of the preset user; and determining the user corresponding to the first body characteristic successfully matched with the preset body characteristic as the preset user.
For example, the physical characteristics of the preset user may be collected in advance, such as: at least one body characteristic of iris characteristics, eyeball characteristics and face characteristics of a user is preset, then in an anti-peeping mode, first body characteristics of each user for viewing display contents can be collected and matched with the preset body characteristics one by one, if matching is successful, the corresponding user and the preset user are the same person, and otherwise, the corresponding user and the preset user are not the same person.
In the specific implementation process, after the preset user is determined, the viewing angle of the preset user may be determined in various ways, two of which are described below, and of course, in the specific implementation process, the following two cases are not limited.
The first method, the detecting and obtaining a viewing angle of a preset user viewing the display unit, includes: determining an area where a preset body part of the preset user is located; and determining the viewing angle based on the area where the preset body part is located.
For example, the predetermined body parts are, for example: eyes, irises, eyeballs and the like, the area where the preset user's eyes are located can be roughly inferred by presetting the area where the preset user's body part is located, and then the watching visual angle of the preset user is determined through the area where the eyes are located. For example: the center point of the display unit and the straight line of the position of the eye can be determined, then the included angle between the straight line and the display unit is used as the preset viewing angle of the user, and of course, the viewing angle can also be determined by other principles, and the embodiment of the invention is not limited.
After the viewing angle of the preset user is determined, a first preset angle range may be determined through the viewing angle, for example: if the viewing angle is 0 ° (again taking the direction perpendicular to the display unit as an example of 0 °), then it can be determined that the first viewing angle range is 45 ° left and right, and if the viewing angle is 70 ° to the left plane of the display unit, then it can be determined that the first preset angle range is: and the angle is 65 ° to 25 ° from left, and the first preset angle range may be determined based on other principles, and the embodiment of the present invention is not limited.
The area where the preset body part is located can be determined in various ways, and three of the following are listed for description, and certainly, in the specific implementation process, the following three situations are not limited.
The method for determining the area where the preset body part is located includes: acquiring image data within a preset distance range of the mobile terminal through a camera, and matching the image data with preset body part characteristics of a preset user so as to determine an area where the preset body part is located.
For example, assuming that the preset body part is the eyes of the preset user, image data within a preset distance range of the total movement segment can be acquired through the camera of the mobile terminal, then the image data is matched with the eye features of the preset user, whether a certain region is matched with the eye features of the preset user exists in the image data is judged, and if yes, the corresponding region is determined to be the region where the preset body part is located; or after acquiring and obtaining the image data within the preset distance range of the mobile terminal, determining the area where the eyes are located, then judging whether the image segment of the area where the eyes are located is matched with the eye features of the preset user, and if the matching is successful, indicating that the area where the corresponding eyes are located is the area where the preset body part is located, and the like. For other body parts, the judgment manner is similar to that of eyes, and is not repeated herein.
Determining the area where the preset body part is located: and obtaining the area where the preset body part is located through ultrasonic detection.
For example, the preset body part is, for example, an area where eyes of the user are located, and usually, when the user uses the mobile terminal himself, the mobile terminal is directly facing the face of the user, so that a distance value between the mobile terminal and the face of the user can be obtained through ultrasonic detection, for example: when the preset user uses the mobile terminal, the ultrasonic ranging module right above the mobile terminal sends out ranging pulses, and the distance between the mobile terminal and the center of the face of the preset user can be calculated according to the time difference between the ultrasonic pulses and the echoes received for the first time as the preset user uses the mobile terminal. The distance between the two eyes of the real adult or the real child is almost the same, so that after the distance between the mobile terminal and the face of the preset user is determined, the area where the two eyes of the preset user are located can be estimated approximately, and the watching visual angle of the preset user can be determined through the area where the two eyes are located.
Determining the area where the preset body part is located by the following steps: and if the preset body part is the iris of the preset user, detecting and obtaining the area where the preset body part is located through an iris tracking technology.
For example, the iris features of the predetermined user may be pre-stored, so that when detecting the region of the predetermined body part (i.e., iris), the image of the iris of the eyeball may be analyzed after the wavefront image is captured, and since the iris of each person is like a fingerprint and has a unique surface pattern, the iris positioning system of the mobile terminal analyzes and compares the obtained iris image with the iris image of the predetermined user, and then obtains the corresponding iris positioning point, which is the region of the predetermined body part.
Secondly, the detecting to obtain the viewing angle of the preset user viewing the display unit includes: and determining the watching visual angle of the preset user through an eyeball tracking technology.
For example, when the eyes of a person look in different directions, the eyes may slightly change, the changes may generate features that can be extracted, and the mobile terminal may extract the features through image capture or scanning, so as to track the changes of the eyes in real time to determine the viewing angle of the preset user, and based on the scheme, a more accurate viewing angle can be determined.
As an alternative embodiment, after the controlling the visual angle of the display unit is in the first preset angle range, the method further comprises: judging whether the viewing angle of the preset user is adjusted from a first viewing angle to a second viewing angle; and if so, controlling the visual angle of the display unit to be adjusted from a first preset angle range corresponding to the first viewing angle to a second preset angle range corresponding to the second viewing angle.
Whether the watching visual angle of the user changes or not can be judged through the scheme, if the watching visual angle of the user changes, the first preset angle range is not suitable for the preset user to check the display content of the display unit, and therefore the display unit can be adjusted based on the second watching visual angle of the preset user, and the current watching requirement of the preset user can be met.
In the specific implementation process, in step S103, the visible angle of the display unit can be controlled to be located in the first preset angle range in various ways, and four of them are listed below for description, and of course, in the specific implementation process, the following four cases are not limited.
First, a single pixel lens is arranged on a display unit, the single pixel lens means that each pixel on the display unit is a convex lens, a light source is positioned at the focus of the convex lens, and all light is emitted out of the convex lens in parallel, so that the adjustment of the visual angle is realized.
The second kind can set up one deck peep-proof membrane on display element, peep-proof membrane includes that the rete, first glue film, sclerosis layer, first main rete, tripe layer, the main rete of second, second glue film and the peel off layer that from the top down set gradually, be connected with the electrode between upper surface, the lower surface on tripe layer. The louver layer comprises a plurality of louver units, light-cured resin units are filled outside the louver units, and each louver unit is formed by sequentially stacking a first TC transparent conductive layer, an EL ion conductor layer, an EC electrochromic layer, a CE ion storage layer and a second TC transparent conductive layer. The first TC transparent conducting layer and the second TC transparent conducting layer are respectively connected with the electrodes through electrode wires. The electrodes are connected to the TC transparent conductive layers of the louver units, the louver layers are made of electrochromic materials, and under the condition that the electrodes are electrified, the visible angle of the louver layers is within a first preset angle range, so that the anti-peeping function is achieved; under the condition that the electrode is powered off, the visual angle of the electrode is within the second preset angle range, and the electrode does not have the peeping prevention function.
Through the scheme, the structure of the display unit does not need to be changed, and only one layer of peep-proof film needs to be added on the surface of the display unit, so that the application range is wider, and the cost can be reduced.
Thirdly, the display unit comprises a display structure and a protrusion structure arranged at the bottom of the display structure, and the arrangement mode of the display structure is adjusted by changing the protrusion height of the protrusion structure, so that the visual angle is within the first preset angle range.
For example, the Protrusion structure is, for example, a ridge-like Protrusion structure (substantially, a ridge-like electrode), the display structure is, for example, a liquid crystal molecule, the Protrusion structure and the display structure are disposed between glass electrodes, and the display unit is further provided with a filter, a polarizer, a glass substrate, a driving circuit, and the like in addition to the basic structure and the glass electrodes. The step motor can be connected to the display unit through a transmission mechanism (for example, at least one glass tube), wherein a first end of the glass tube is connected to a power output end of the step motor, a second end of the glass tube is inserted into the display unit and connected to the protrusion structure, the first end of the glass tube can be fixedly connected to the power output end (for example, by adhesion or welding), the power output end of the step motor supports the glass tube to move through the first end so that the second end of the glass tube forms different positions between the two glass electrodes, and the protrusion structure is fixedly connected to the second end of the glass tube, so that the protrusion structure forms different heights of H1/H2 when the second end of the glass tube forms different positions between the glass electrodes, thereby adjusting the height of the protrusion structure. The projection heights based on the projection structures are different, so that the arrangement modes of the display structures are different, the deflection angle of emergent light rays of the light rays incident to the display unit is changed correspondingly to form a first preset angle range, a first corresponding relation between a viewing angle of a user and the preset angle range in the peep-proof mode and a second corresponding relation between the preset angle range and the projection heights can be preset, the preset angle range is determined in the first corresponding relation through the viewing angle of the preset user, the projection heights are determined in the second corresponding relation through the preset angle range, the projection heights are transmitted to the stepping motor, the stepping motor drives the glass tube to move, the projection heights of the projection structures are controlled, and the visible angles of the display unit are controlled.
Through the scheme, the first preset angle range can be adjusted based on different visual angles of the user, so that the use requirement of the user can be met.
Fourth, the inside grating that is provided with of display element, control display element's visual angle is located first preset angle scope, includes: and controlling the visual angle to be within the first preset angle range by controlling the deflection angle of the grating.
For example, the preset angle ranges are different due to different deflection angles of the gratings, so that a first corresponding relationship between the viewing angle of the user and the visual angle and a third corresponding relationship between the preset angle range and the deflection angle may be preset, after the first viewing angle of the preset user is determined, the corresponding first preset angle range is determined through the first corresponding relationship, then the deflection angle of the grating is determined in the third corresponding relationship through the first preset angle range, and then the grating is controlled to deflect, so that the visual angle of the display unit is located in the first preset angle range.
In a second aspect, based on the same inventive concept, an embodiment of the present invention provides a display control apparatus, please refer to fig. 2, including:
a first control module 20, configured to control a display unit of the mobile terminal to be in a display state;
the first judging module 21 is configured to judge whether the mobile terminal is in a peep-proof mode;
the second control module 22 is configured to control the viewing angle of the display unit to be within a first preset angle range if the mobile terminal is in the peep-proof mode, where the first preset angle range is different from a second preset angle range, and the second preset angle range is a viewing angle of the mobile terminal in a non-peep-proof mode.
Optionally, the apparatus further comprises: the determining module is used for determining a preset user for viewing the display content; the detection module is used for detecting and obtaining a viewing angle of the preset user for viewing the display unit; the second control module 22 is configured to control the viewing angle to be within the first preset angle range based on the viewing angle.
Optionally, the determining module includes: the first determining unit is used for determining a distance value between a user viewing the display content and the mobile terminal; and a second determining unit, configured to determine, based on the distance value, that the user closest to the mobile terminal is the preset user.
Optionally, the determining module includes: a third determining unit, configured to determine a first physical characteristic of a user viewing the display content; the matching unit is used for matching the first body characteristics of each user with the pre-stored preset body characteristics of the preset user; a fourth determining unit, configured to determine, as the preset user, a user corresponding to the first body feature successfully matched with the preset body feature.
Optionally, the physical characteristics include: at least one body characteristic of iris characteristic, eyeball characteristic and face characteristic.
Optionally, the detection module includes: a fifth determining unit, configured to determine an area where a preset body part of the preset user is located; a sixth determining unit, configured to determine the viewing angle based on an area where the preset body part is located.
Optionally, the fifth determining unit is configured to: acquiring image data within a preset distance range of the mobile terminal through a camera, and matching the image data with preset body part characteristics of a preset user so as to determine an area where the preset body part is located; or obtaining the area where the preset body part is located through ultrasonic detection; or if the preset body part is the iris of the preset user, detecting and obtaining the area where the preset body part is located through an iris tracking technology.
Optionally, the detection module is configured to: and determining the watching visual angle of the preset user through an eyeball tracking technology.
Optionally, the apparatus further comprises: the second judgment module is used for judging whether the watching visual angle of the preset user is adjusted from a first watching visual angle to a second watching visual angle; and the third control module is used for controlling the visual angle of the display unit to be adjusted to a third preset angle range corresponding to the second viewing angle due to the first preset angle range corresponding to the first viewing angle if the judgment result of the second judgment module is yes.
Optionally, the first preset angle range is a set fixed angle range.
Optionally, the second control module 22 is configured to: controlling the visual angle to be within the first preset angle range by controlling the deflection angle of a grating arranged in the display unit; or when the display unit comprises a display structure and a protrusion structure arranged at the bottom of the display structure, the arrangement mode of the display structure is adjusted by changing the protrusion height of the protrusion structure, so that the visual angle is within the first preset angle range.
Optionally, the display unit surface is provided with a peep-proof film, and the second control module 22 is configured to: the peep-proof film is controlled to be in the opening state, and then the visual angle is controlled to be located in the first preset angle range.
Optionally, the first determining module 21 is configured to: judging whether preset operation generated by a user of the mobile terminal and used for controlling the mobile terminal to enter the peeping prevention mode is detected; if the preset operation is detected, determining that the mobile terminal is in the peeping prevention mode; or judging whether the display content of the mobile terminal is preset content, and if the display content is the preset content, determining that the mobile terminal is in the peep-proof mode.
Since the apparatus described in the second aspect of the present invention is an apparatus for implementing the display control method described in the first aspect of the present invention, and based on the display control method described in the first aspect of the present invention, a person skilled in the art can understand the specific structure and the modification of the apparatus in the second aspect of the present invention, so that details are not described herein, and all the apparatuses for implementing the display control method described in the first aspect of the present invention belong to the scope of the embodiments of the present invention to be protected.
In a third aspect, based on the same inventive concept, an embodiment of the present invention provides a mobile terminal, please refer to fig. 3, including:
a display unit 30 for displaying contents of the mobile terminal; a processor 31 connected to the display unit 30 for controlling the display unit 30 of the mobile terminal to be in a display state; judging whether the mobile terminal is in a peep-proof mode or not; if the mobile terminal is in the peep-proof mode, controlling the visual angle of the display unit 30 to be in a first preset angle range, wherein the first preset angle range is different from a second preset angle range, and the second preset angle range is the visual angle of the mobile terminal in the non-peep-proof mode.
Optionally, the processor 31 is further configured to: determining a preset user viewing the display content; detecting and obtaining a viewing angle of the preset user viewing the display unit 30; and controlling the visual angle to be positioned in the first preset angle range based on the viewing visual angle.
Optionally, the processor 31 is further configured to: determining a distance value between a user viewing the display content and the mobile terminal; and determining the user closest to the mobile terminal as the preset user based on the distance value.
Optionally, the processor 31 is configured to: determining a first physical characteristic of a user viewing the display content; matching the first body characteristics of each user with the pre-stored preset body characteristics of the preset user; and determining the user corresponding to the first body characteristic successfully matched with the preset body characteristic as the preset user.
Optionally, the physical characteristics include: at least one body characteristic of iris characteristic, eyeball characteristic and face characteristic.
Optionally, the processor 31 is configured to: determining an area where a preset body part of the preset user is located; and determining the viewing angle based on the area where the preset body part is located.
Optionally, the mobile terminal further includes: a camera connected to the processor 31; the processor 31 is configured to: acquiring image data within a preset distance range of the mobile terminal through a camera, and matching the image data with preset body part characteristics of a preset user so as to determine an area where the preset body part is located; or, the processor 31 is configured to obtain an area where the preset body part is located through ultrasonic detection; or, the processor 31 is configured to, if the preset body part is the iris of the preset user, obtain an area where the preset body part is located through detection of an iris tracking technology.
Optionally, the processor 31 is configured to: and determining the watching visual angle of the preset user through an eyeball tracking technology.
Optionally, the processor 31 is configured to: judging whether the viewing angle of the preset user is adjusted from a first viewing angle to a second viewing angle; if so, the viewing angle of the display unit 30 is controlled to be adjusted to a third preset angle range corresponding to the second viewing angle due to the first preset angle range corresponding to the first viewing angle.
Optionally, the first preset angle range is a set fixed angle range.
Optionally, the mobile terminal further includes: a grating disposed inside the display unit 30; the processor 31 is configured to control the visual angle to be within the first preset angle range by controlling a deflection angle of the grating; alternatively, the display unit 30 includes: the display structure comprises a display structure and a protrusion structure arranged at the bottom of the display structure; the processor 31 is configured to adjust an arrangement of the display structures by changing a protrusion height of the protrusion structures, so that the visual angle is within the first preset angle range.
Optionally, the mobile terminal further includes: a peep-proof film disposed on the surface of the display unit 30; the processor 31 is configured to control the peep-proof membrane to be in the open state, so as to control the visible angle to be within the first preset angle range.
Optionally, the processor 31 is configured to determine whether a preset operation generated by a user of the mobile terminal and used for controlling the mobile terminal to enter the peep-proof mode is detected; if the preset operation is detected, determining that the mobile terminal is in the peeping prevention mode; or judging whether the display content of the mobile terminal is preset content, and if the display content is the preset content, determining that the mobile terminal is in the peep-proof mode.
Since the electronic device described in the third aspect of the present invention is an electronic device used for implementing the display control method described in the first aspect of the present invention, based on the display control method described in the first aspect of the present invention, a person skilled in the art can understand a specific structure and a modification of the electronic device described in the third aspect of the present invention, and therefore details are not described herein, and all electronic devices used for implementing the display control method described in the first aspect of the present invention belong to the scope of protection of the embodiments of the present invention.
The technical scheme provided in the embodiment of the application at least has the following technical effects or advantages:
in the embodiment of the invention, after the display unit is controlled to be in the display state, whether the mobile terminal is in the peep-proof mode can be judged, if the mobile terminal is in the peep-proof mode, the visual angle of the display unit is adjusted to be the first preset angle range so as to be different from the second preset angle range in the non-peep-proof mode, and therefore, part of users who can see the display content in the non-peep-proof mode cannot view the display content, and the technical effect of improving the safety of the display content output by the display unit is achieved.
The algorithms and displays presented herein are not inherently related to any particular computer, virtual machine, or other apparatus. Various general purpose systems may also be used with the teachings herein. The required structure for constructing such a system will be apparent from the description above. Moreover, the present invention is not directed to any particular programming language. It is appreciated that a variety of programming languages may be used to implement the teachings of the present invention as described herein, and any descriptions of specific languages are provided above to disclose the best mode of the invention.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
The various component embodiments of the invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that a microprocessor or Digital Signal Processor (DSP) may be used in practice to implement some or all of the functions of some or all of the components of an apparatus, mobile terminal, or both according to embodiments of the present invention. The present invention may also be embodied as apparatus or device programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present invention may be stored on computer-readable media or may be in the form of one or more signals. Such a signal may be downloaded from an internet website or provided on a carrier signal or in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
Claims (10)
1. A display control method, comprising:
controlling a display unit of the mobile terminal to be in a display state;
judging whether the mobile terminal is in a peep-proof mode or not;
and if the mobile terminal is in the peeping prevention mode, controlling the visual angle of the display unit to be in a first preset angle range, wherein the first preset angle range is different from a second preset angle range, and the second preset angle range is the visual angle of the mobile terminal in the non-peeping prevention mode.
2. The method of claim 1, wherein before the controlling the viewable angle of the display unit is in a first preset angle range, the method further comprises:
determining a preset user viewing the display content;
detecting and obtaining a viewing angle of the preset user for viewing the display unit;
and controlling the visual angle to be positioned in the first preset angle range based on the viewing visual angle.
3. The method of claim 2, wherein said determining a predetermined user to view said display comprises:
determining a distance value between a user viewing the display content and the mobile terminal;
and determining the user closest to the mobile terminal as the preset user based on the distance value.
4. The method of claim 2, wherein said determining a predetermined user to view said display comprises:
determining a first physical characteristic of a user viewing the display content;
matching the first body characteristics of each user with the pre-stored preset body characteristics of the preset user;
and determining the user corresponding to the first body characteristic successfully matched with the preset body characteristic as the preset user.
5. The method of claim 4, wherein the physical characteristics comprise: at least one body characteristic of iris characteristic, eyeball characteristic and face characteristic.
6. The method of claim 2, wherein the detecting obtains a viewing angle of a preset user viewing the display unit, and comprises:
determining an area where a preset body part of the preset user is located;
and determining the viewing angle based on the area where the preset body part is located.
7. The method of claim 6, wherein the determining the area in which the predetermined body part of the predetermined user is located comprises:
acquiring image data within a preset distance range of the mobile terminal through a camera, and matching the image data with preset body part characteristics of a preset user so as to determine an area where the preset body part is located; or,
obtaining the area where the preset body part is located through ultrasonic detection; or,
and if the preset body part is the iris of the preset user, detecting and obtaining the area where the preset body part is located through an iris tracking technology.
8. The method of claim 2, wherein the detecting obtains a viewing angle of a preset user viewing the display unit, and comprises:
and determining the watching visual angle of the preset user through an eyeball tracking technology.
9. A display control apparatus, characterized by comprising:
the first control module is used for controlling a display unit of the mobile terminal to be in a display state;
the first judgment module is used for judging whether the mobile terminal is in an anti-peeping mode or not;
and the second control module is used for controlling the visual angle of the display unit to be within a first preset angle range if the mobile terminal is in the peep-proof mode, wherein the first preset angle range is different from a second preset angle range, and the second preset angle range is the visual angle of the mobile terminal in the non-peep-proof mode.
10. A mobile terminal, comprising:
a display unit for displaying the content of the mobile terminal;
the processor is connected with the display unit and used for controlling the display unit of the mobile terminal to be in a display state; judging whether the mobile terminal is in a peep-proof mode or not; and if the mobile terminal is in the peeping prevention mode, controlling the visual angle of the display unit to be in a first preset angle range, wherein the first preset angle range is different from a second preset angle range, and the second preset angle range is the visual angle of the mobile terminal in the non-peeping prevention mode.
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