CN114201786A - Method and device for preventing secret leakage of screen display content and display device - Google Patents
Method and device for preventing secret leakage of screen display content and display device Download PDFInfo
- Publication number
- CN114201786A CN114201786A CN202111479733.4A CN202111479733A CN114201786A CN 114201786 A CN114201786 A CN 114201786A CN 202111479733 A CN202111479733 A CN 202111479733A CN 114201786 A CN114201786 A CN 114201786A
- Authority
- CN
- China
- Prior art keywords
- screen
- brightness
- display
- preset
- lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000004590 computer program Methods 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 description 5
- 230000001010 compromised effect Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- G06F21/84—Protecting input, output or interconnection devices output devices, e.g. displays or monitors
-
- 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
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Bioethics (AREA)
- General Health & Medical Sciences (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a method and a device for preventing secret leakage of screen display content, and a display device, wherein the method for preventing secret leakage of the screen display content comprises the following steps: responding to a preset secret trigger instruction, and starting the intelligent camera; acquiring an image acquired by an intelligent camera, and detecting whether a lens exists in the image; and when the detection result is that the lens exists, reducing the display brightness of the screen. The invention utilizes the intelligent camera to detect whether a lens faces the screen in the field of view, and dims the display brightness of the screen when the lens exists, so that the lens cannot clearly shoot the content displayed by the screen, and restores the display brightness of the screen to normal brightness when the lens does not exist, thereby preventing the display content of the screen from being divulged due to shooting, and improving the use requirement of the display device with the screen in a secret occasion.
Description
Technical Field
The invention relates to the technical field of confidential display, in particular to a method and a device for preventing screen display content from being leaked and a display device.
Background
With the popularization of paperless and electronic office work, the application of the electronic whiteboard is more and more extensive, and the electronic whiteboard is mainly used for writing in a meeting, displaying documents and the like.
However, when an electronic whiteboard is used in some confidential occasions, for example, in a meeting with confidential requirements, if the screen content of the electronic whiteboard is shot by a private mobile phone of a participant, a disclosure is easily caused.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a method and device for preventing disclosure of screen display content, and a display device.
In a first aspect, an embodiment of the present invention provides a method for preventing disclosure of screen display content, including:
responding to a preset secret trigger instruction, and starting the intelligent camera;
acquiring an image acquired by the intelligent camera, and detecting whether a lens exists in the image;
and when the detection result is that the lens exists, reducing the display brightness of the screen.
Further, the reducing the display brightness of the screen includes:
adjusting the display brightness of the screen from normal brightness to the target brightness based on preset target brightness; alternatively, the first and second electrodes may be,
acquiring the ambient brightness around the screen;
and searching preset brightness matched with the ambient brightness based on a preset brightness regulation rule, and regulating the display brightness of the screen from normal brightness to the preset brightness, wherein the preset brightness regulation rule comprises a plurality of ambient brightness threshold ranges and preset brightness corresponding to each ambient brightness threshold range.
Further, after the reducing the display brightness of the screen, the method further includes:
continuously acquiring the image acquired by the intelligent camera, and detecting whether a lens exists in the image;
and when the detection result is that no lens exists, restoring the display brightness of the screen to normal brightness.
Further, before the starting the smart camera, the method further includes:
and displaying a preset encrypted watermark image in the screen.
In a second aspect, an embodiment of the present invention provides an apparatus for preventing disclosure of screen display content, including:
the starting module is used for responding to a pre-configured secret triggering instruction and starting the intelligent camera;
the detection module is used for acquiring the image acquired by the intelligent camera and detecting whether a lens exists in the image;
and the brightness adjusting module is used for reducing the display brightness of the screen when the detection result is that the lens exists.
Further, the brightness adjusting module is further configured to restore the display brightness of the screen to normal brightness when the detection result is no lens after reducing the display brightness of the screen.
Further, the loading module is configured to display a preset encrypted watermark image in the screen in response to the preconfigured security trigger instruction.
In a third aspect, an embodiment of the present invention provides a display device, where an intelligent camera is disposed at an edge of a screen of the display device, and the intelligent camera is configured to detect whether a lens faces the screen within a viewing angle of the intelligent camera.
In a fourth aspect, an embodiment of the present invention provides an electronic device, including: a processor, a memory and a computer program stored on the memory and executable on the processor, the processor implementing the method of screen display content anti-compromise as described in the first aspect when executing the program.
In a fifth aspect, an embodiment of the present invention provides a computer storage medium, on which computer instructions are stored, and when executed by a processor, the computer storage medium implements the method for preventing screen display content from being compromised according to the first aspect.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
the method for preventing the disclosure of the screen display content provided by the embodiment of the invention detects whether a lens is in an image acquired by an intelligent camera, and dims the display brightness of the screen when the lens is in the image, so that the mobile phone lens/camera lens cannot clearly shoot the content displayed by the screen, and the display brightness of the screen is recovered to normal brightness when the lens is not in the image, thereby preventing the display content of the screen from being disclosed due to shooting, and improving the use requirement of the screen in a security occasion;
preferably, the encrypted watermark image is displayed on a screen, and a user is prompted to prohibit taking pictures in a security occasion, so that the content needing to be kept secret is protected to a certain extent.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 is a schematic flow chart of a method for preventing screen display content from being compromised according to an embodiment of the present invention;
FIG. 2 is a block diagram illustrating a flow chart of a method for preventing screen display content from being compromised according to an embodiment of the present invention;
fig. 3 is a block diagram of a configuration of a device for preventing screen display content from being compromised according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The power-on process of the screen of the display device may include: when the screen is in the power-off state, the user performs the power-on operation, and the screen receives the power-on instruction and then displays the power-on instruction at normal brightness (or standard brightness).
However, for the display content requiring security, when the mobile phone lens/camera lens is opposite to the screen, the disclosure of the display content on the screen is easily caused.
In order to solve the problem, an embodiment of the present invention provides a display device, where a screen of the display device includes an intelligent camera, the intelligent camera is disposed at an edge of the screen, and the intelligent camera can be used to detect whether a lens in a field of view of the intelligent camera faces the screen.
The display device provided by the embodiment of the invention has a normal display mode and a secret display mode, the screen is always displayed at normal brightness in the normal display mode, and the brightness of the screen can be intelligently adjusted in the secret display mode.
Illustratively, the display device is provided with a three-gear toggle switch, the toggle switch is provided with a closing gear, an opening gear and an encryption gear which are sequentially arranged, the toggle switch is toggled to the opening gear through the closing gear, the screen displays normally, the toggle switch is toggled to the encryption gear through the opening gear, a preset secret trigger command is started, and the intelligent camera is powered on; alternatively, the first and second electrodes may be,
the display device is provided with a three-gear toggle switch, the three-gear toggle switch is provided with an opening gear, a closing gear and an encryption gear, the closing gear and the encryption gear are respectively arranged on two sides of the opening gear, the toggle switch can be directly toggled to the opening gear or the encryption gear through the closing gear, when the toggle switch is in the encryption gear, a preset secret trigger command is started, and the intelligent camera is electrified; alternatively, the first and second electrodes may be,
the screen of the display device is a touch screen, a start/close key is arranged on the screen, the screen is displayed at normal brightness under the starting operation, an encryption touch key is arranged in a display picture, when the encryption touch key is clicked, a preset secret trigger instruction is started, and the intelligent camera is electrified.
The display device provided by the embodiment of the invention also comprises a backlight unit and a backlight control device, wherein the backlight control device comprises: the control board can be used for controlling the driving board to drive the backlight unit to work through the driving board, and enable control and brightness adjustment of the backlight unit are achieved. The driving board may be a Timing Controller (TCON for short), and the control board includes an SOC (System on a Chip) motherboard and an FPGA (Field-Programmable Gate Array) motherboard.
Specifically, the SOC mainboard generates a brightness adjustment enabling signal, and the FPGA mainboard generates a brightness adjustment control signal according to the brightness adjustment enabling signal so as to control the driving board to drive the backlight unit to adjust the brightness. The brightness adjustment control signal may be PWM (Pulse width modulation) for adjusting the brightness of the backlight unit.
The display device provided by the embodiment of the invention can be an electronic whiteboard and can be applied to scenes with confidentiality requirements, such as conferences and lectures. If meeting or the demand of having the video interaction when giving lessons, the intelligent camera on display device can be for two mesh cameras, and a camera detects has or not the camera lens to face to the screen, and another camera can carry out the video and exchange.
The embodiment of the invention provides a method for preventing divulgence of screen display content, which comprises the following steps as shown in figure 1:
and S10, responding to a preset secret trigger instruction, and starting the intelligent camera.
Illustratively, in the case that a preset security triggering instruction is started, the SOC motherboard starts running a security display program, the screen enters a security display mode, and the smart camera is powered on.
And S20, acquiring the image collected by the intelligent camera, and detecting whether a lens exists in the image.
Illustratively, the intelligent camera continuously collects images after being powered on, and the SOC mainboard detects the images collected by the intelligent camera.
And S30, when the detection result is that the lens exists, reducing the display brightness of the screen.
According to the method for preventing the disclosure of the screen display content, whether a lens faces the screen or not in the visual field is detected by the intelligent camera, the display brightness of the screen is dimmed when the lens exists, so that the lens cannot shoot the content displayed by the screen clearly, and the display brightness of the screen is recovered to normal brightness when the lens does not exist, so that the display content of the screen is prevented from being disclosed due to shooting, and the requirements of the display device with the screen in the use in a secret occasion are improved.
As an alternative embodiment, reducing the display brightness of the screen includes:
and adjusting the display brightness of the screen from the normal brightness to the target brightness based on the preset target brightness.
Illustratively, a standard brightness and a target brightness are preset, the standard brightness is a normal brightness, and the target brightness is lower than the standard brightness. When the mobile phone lens/camera lens faces the screen, the display brightness of the screen is adjusted to the target brightness, so that the screen brightness is reduced, and the secret leakage of the secret content caused by shooting is effectively prevented.
As another alternative embodiment, the reducing the display brightness of the screen includes:
acquiring the ambient brightness around the screen;
and searching preset brightness matched with the ambient brightness based on a preset brightness regulation rule, and regulating the display brightness of the screen from normal brightness to the preset brightness, wherein the preset brightness regulation rule comprises a plurality of ambient brightness threshold ranges and preset brightness corresponding to each ambient brightness threshold range.
Illustratively, a light sensor is arranged in the screen and used for collecting the light intensity around the screen;
the method comprises the steps that standard brightness and a brightness adjusting rule are preset, the standard brightness is the normal brightness, the brightness adjusting rule is provided with a plurality of environment brightness threshold ranges and preset brightness corresponding to each environment brightness threshold, and on the basis of the standard brightness, the preset brightness is set according to a certain proportion, for example, the preset brightness is 60%, 50% or 40% of the standard brightness;
the display brightness of the screen is adjusted from the standard brightness to the preset brightness corresponding to the ambient brightness threshold range where the ambient brightness is located, so that the screen brightness is reduced, and the secret leakage of confidential contents caused by shooting is effectively prevented.
Further, after the display brightness of the screen is reduced, the method for preventing the screen display content from being divulged further comprises the following steps:
continuously acquiring images acquired by the intelligent camera, and detecting whether a lens exists in the images;
and when the detection result is that no lens exists, restoring the display brightness of the screen to normal brightness.
Illustratively, when the shot is facing the screen and the shot is not facing the screen, the display brightness of the screen is restored to the normal brightness.
In the method for preventing disclosure of screen display content provided by this embodiment, the adjustment time for dimming or brightening the display brightness of the screen is millisecond, which does not affect the viewing experience of the viewer.
Further, before the intelligent camera is started, the method for preventing disclosure of the screen display content of the party further comprises the following steps:
and displaying a preset encrypted watermark image in a screen.
Illustratively, an encrypted watermark image is preset, in the secret display mode, the preset encrypted watermark image is displayed in the screen, and when the screen displays the content, the encrypted watermark image is displayed together with the display content.
The encrypted watermark image can prompt a user to forbid photographing in a confidential occasion and can play a certain protection role in the content displayed on a screen.
The screen provided by the embodiment of the invention is preferably a touch screen, the edge of the screen is preferably provided with a start/close key, and the screen enters a normal display mode in a starting-up state by clicking the start/close key; and clicking an encryption touch key in the display screen, and enabling the screen to enter a secret display mode. Referring to fig. 2, after the confidential display mode is started, a confidential watermark image is loaded in the screen, whether a lens exists in the visual angle of the screen is detected by using the intelligent camera, when the detection result is that no lens exists, the display brightness of the screen is maintained to be normal brightness, and when the detection result is that a lens exists, the display brightness of the screen is reduced; after the display brightness of the screen is reduced, whether a lens exists in the visual angle of the screen is detected by continuously utilizing the intelligent camera, when the detection result is that no lens exists, the display brightness of the screen is recovered to normal brightness, and when the detection result is that the lens exists, the display brightness of the screen is maintained, so that the display brightness of the screen is intelligently adjusted in a secret display mode, and the situation that the display content of the screen is leaked due to shooting is prevented.
An embodiment of the present invention further provides a device for preventing disclosure of screen display content, as shown in fig. 3, including:
the starting module 11 is used for responding to a pre-configured secret triggering instruction and starting the intelligent camera;
the detection module 12 is used for acquiring an image acquired by the intelligent camera and detecting whether a lens exists in the image;
and the brightness adjusting module 13 is configured to reduce the display brightness of the screen when the detection result is that there is a lens.
The device that screen display content was prevented divulging provided by this embodiment utilizes intelligent camera to detect whether have the camera lens to face to the screen in its field of view, then dims the display brightness of screen when having the camera lens for the camera lens can't shoot the content of clear screen display, resumes the display brightness of screen to normal luminance when no camera lens, thereby prevents to shoot and causes the display content of screen to be divulged, causes the demand when promoting the display device who has this screen and use in secret occasion.
Further, the brightness adjusting module 13 is further configured to restore the display brightness of the screen to the normal brightness when the detection result is no lens after the display brightness of the screen is reduced.
When the lens faces the screen, the display brightness of the screen is reduced; when no lens faces the screen, when the display brightness of the screen is recovered to the normal brightness, the intelligent adjustment of the display brightness of the screen is realized in the encryption display mode, the situation that the display content of the screen is leaked due to shooting is effectively prevented, and the impression of viewers is ensured.
Further, the device for preventing the screen display content from being divulged further comprises: and the loading module 14 is used for responding to a preset security trigger instruction and displaying a preset encrypted watermark image in a screen.
When the content is displayed on the screen, the encrypted watermark image can prompt the user to prohibit shooting, and plays a certain role in protecting the displayed content.
As an optional implementation manner, the device for preventing the screen display content from being divulged further comprises: the brightness adjusting module 13 is further configured to adjust the display brightness of the screen from the normal brightness to the target brightness, or adjust the display brightness of the screen from the target brightness to the normal brightness.
As another optional implementation, the device for preventing the screen display content from being divulged further includes: the device comprises a receiving module, a storage module and a searching module;
the receiving module is used for receiving the ambient brightness acquired by the optical sensor;
the storage module is used for storing preset brightness regulation rules and standard brightness (namely normal brightness);
the searching module is used for finding the preset brightness matched with the ambient brightness in the brightness adjusting rule;
the brightness adjusting module is further used for adjusting the display brightness of the screen from the normal brightness to the preset brightness, or adjusting the display brightness of the screen from the preset brightness to the normal brightness.
An embodiment of the present invention further provides an electronic device, including: the processor, the memory and the computer program stored on the memory and capable of running on the processor realize the processes of the screen display content anti-disclosure method embodiment when the processor executes the program.
Wherein the processor and memory may be connected by a bus or other means. The processor may be a Central Processing Unit (CPU). The Processor may also be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, or a combination thereof.
In a fifth aspect, an embodiment of the present invention provides a computer storage medium, where a computer program is stored, and when the computer program is executed by a processor, the computer program implements each process of the above method for preventing screen display content from being divulged, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention.
And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
The present invention employs the terms first, second, etc. to describe various information, but the information should not be limited to these terms. These terms are only used to distinguish one type of information from another, and are not to be construed as indicating or implying relative importance. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present invention.
The foregoing description is only exemplary of the preferred embodiments of the invention and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention is not limited to the specific combination of the above-mentioned features, but also encompasses other embodiments in which any combination of the above-mentioned features or their equivalents is possible without departing from the inventive concept. For example, the above features and (but not limited to) features having similar functions disclosed in the present invention are mutually replaced to form the technical solution.
Claims (10)
1. A method for preventing disclosure of screen display content, comprising:
responding to a preset secret trigger instruction, and starting the intelligent camera;
acquiring an image acquired by the intelligent camera, and detecting whether a lens exists in the image;
and when the detection result is that the lens exists, reducing the display brightness of the screen.
2. The method of claim 1, wherein the reducing the display brightness of the screen comprises:
adjusting the display brightness of the screen from normal brightness to the target brightness based on preset target brightness; alternatively, the first and second electrodes may be,
acquiring the ambient brightness around the screen;
and searching preset brightness matched with the ambient brightness based on a preset brightness regulation rule, and regulating the display brightness of the screen from normal brightness to the preset brightness, wherein the preset brightness regulation rule comprises a plurality of ambient brightness threshold ranges and preset brightness corresponding to each ambient brightness threshold range.
3. The method for preventing the disclosure of the screen display content according to claim 1, wherein after the reducing the display brightness of the screen, the method further comprises:
continuously acquiring the image acquired by the intelligent camera, and detecting whether a lens exists in the image;
and when the detection result is that no lens exists, restoring the display brightness of the screen to normal brightness.
4. The method for preventing divulgence of screen display content according to any one of claims 1-3, wherein before the activating the smart camera, the method further comprises:
and displaying a preset encrypted watermark image in the screen.
5. An apparatus for preventing disclosure of on-screen display content, comprising:
the starting module is used for responding to a pre-configured secret triggering instruction and starting the intelligent camera;
the detection module is used for acquiring the image acquired by the intelligent camera and detecting whether a lens exists in the image;
and the brightness adjusting module is used for reducing the display brightness of the screen when the detection result is that the lens exists.
6. The screen display content anti-disclosure apparatus of claim 5,
the brightness adjusting module is further used for restoring the display brightness of the screen to normal brightness when the detection result is no lens after the display brightness of the screen is reduced.
7. The screen display content anti-disclosure apparatus according to claim 5 or 6,
and the loading module is used for responding to the pre-configured secret trigger instruction and displaying a preset encrypted watermark image in the screen.
8. The display device is characterized in that an intelligent camera is arranged at the edge of a screen of the display device and used for detecting whether a lens faces the screen or not in the visual angle of the intelligent camera.
9. An electronic device, comprising: a processor, a memory and a computer program stored on the memory and executable on the processor, the processor implementing the method of screen display content anti-compromise of any one of claims 1-4 when executing the program.
10. A computer storage medium having computer instructions stored thereon, wherein the instructions, when executed by a processor, implement the method of screen display content anti-compromise of any of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111479733.4A CN114201786A (en) | 2021-12-06 | 2021-12-06 | Method and device for preventing secret leakage of screen display content and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111479733.4A CN114201786A (en) | 2021-12-06 | 2021-12-06 | Method and device for preventing secret leakage of screen display content and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114201786A true CN114201786A (en) | 2022-03-18 |
Family
ID=80650743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111479733.4A Pending CN114201786A (en) | 2021-12-06 | 2021-12-06 | Method and device for preventing secret leakage of screen display content and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114201786A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855453A (en) * | 2011-06-30 | 2013-01-02 | 网秦无限（北京）科技有限公司 | Method and system for preventing mobile device screen display from being peeped |
| CN105577941A (en) * | 2016-02-01 | 2016-05-11 | 惠州Tcl移动通信有限公司 | Terminal screen brightness adjusting method and system |
| CN111597593A (en) * | 2020-05-29 | 2020-08-28 | 上海辰珅科技有限公司 | Anti-peeping identification method and system and display device |
-
2021
- 2021-12-06 CN CN202111479733.4A patent/CN114201786A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855453A (en) * | 2011-06-30 | 2013-01-02 | 网秦无限（北京）科技有限公司 | Method and system for preventing mobile device screen display from being peeped |
| CN105577941A (en) * | 2016-02-01 | 2016-05-11 | 惠州Tcl移动通信有限公司 | Terminal screen brightness adjusting method and system |
| CN111597593A (en) * | 2020-05-29 | 2020-08-28 | 上海辰珅科技有限公司 | Anti-peeping identification method and system and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2612032C1 (en) | Method for recording and electronic device hardware and electronic device | |
| EP2692133B1 (en) | Video conferencing display device | |
| US9256089B2 (en) | Object-detecting backlight unit | |
| US8022977B2 (en) | Camera placed behind a display with a transparent backlight | |
| US20110279689A1 (en) | Integrated Display Camera Using Oscillating Display Elements | |
| US20090009628A1 (en) | Capturing an image with a camera integrated in an electronic display | |
| WO2017052777A1 (en) | Imaging system management for camera mounted behind transparent display | |
| EP3100135A1 (en) | Camera included in display | |
| US20180286321A1 (en) | Backlight assembly, display device, and anti-photographed system and method | |
| TW200948070A (en) | Gaze accurate video conferencing | |
| US20150220760A1 (en) | Enhanced security display technology | |
| JP2010113330A (en) | Control method for backlight module of lcd, and application thereof | |
| US20130027521A1 (en) | Stereoscopic image capturing system | |
| US20140118591A1 (en) | Dynamic Coded Aperture Camera | |
| WO2018161568A1 (en) | Photographing method and device based on two cameras | |
| US20230412914A1 (en) | Display Control Method, Electronic Device and Medium | |
| CN114201786A (en) | Method and device for preventing secret leakage of screen display content and display device | |
| CN112184535B (en) | Image anti-counterfeiting method, device and equipment | |
| US20190113959A1 (en) | Power consumption management device and power consumption management method for backlight module | |
| CN111711748B (en) | Control method and device for screen refresh rate, electronic equipment and readable storage medium | |
| US9674327B2 (en) | Controlling display devices to interfere with imaging by mobile terminals | |
| JP2019200309A (en) | Display control device, display control method and program | |
| WO2022172644A1 (en) | Image display device | |
| US20140118559A1 (en) | Modular Display Camera | |
| CN116419044A (en) | Media data processing unit, method and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |