CN103728748A - Adjusting method of visual angle of liquid crystal display, liquid crystal display and terminal - Google Patents
Adjusting method of visual angle of liquid crystal display, liquid crystal display and terminal Download PDFInfo
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- CN103728748A CN103728748A CN201210391525.3A CN201210391525A CN103728748A CN 103728748 A CN103728748 A CN 103728748A CN 201210391525 A CN201210391525 A CN 201210391525A CN 103728748 A CN103728748 A CN 103728748A
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Abstract
The invention discloses an adjusting method of the visual angle of a liquid crystal display, the liquid crystal display and a terminal. The adjusting method is used for adjusting the visual angle of the liquid crystal display so as to protect individual privacy displayed on the display. The liquid crystal display comprises an adjusting module, a voltage control module and a liquid crystal molecule module, wherein a user uses the adjusting module for adjusting the visual angle of the liquid crystal display; the voltage control module is connected with the adjusting module and used for controlling an output voltage according to the visual angle input by the adjusting module; the liquid crystal molecule module is connected with the voltage control module and used for controlling arranging and turning-over of liquid crystal molecules according to the output voltage, so that the liquid crystal display is in the visual angle. By the adoption of the technical scheme, the visual angle of the liquid crystal display can be adjusted on occasions when the individual privacy needs to be protected, and the effect that content on the liquid crystal display cannot be seen by other people is achieved.
Description
Technical field
The present invention relates to electronic product field, particularly a kind of control method of LCDs visible angle, LCDs and terminal.
Background technology
Along with smart mobile phone screen is increasing, function and application is more and more abundanter, and the application such as information inquiry, electronic reading, microblogging and on-line payment is used extensively, and safety and the secret protection of personal information are extremely important.In the public place such as subway, public transport and elevator, use the mobile phone of giant-screen, be easy to occur that information on mobile phone is by intentional or unintentional the spying on of people around, the serious leakage that causes information and privacy compromise.
Existing solution generally has following two kinds:
Scheme 1: increase the polaroid of a peep-proof film in terminal, only have user in the special angle of screen dead ahead, can see, people around can't see information.But this scheme is larger, and need device to fix, be applicable to stationary device, as desktop computer or notebook computer, but it is very large, very inconvenient on the such midget plant of mobile phone, to increase an external polaroid difficulty.
Scheme 2: use the LCDs at narrow visual angle on mobile phone, as the display screen of TN.But the problem that this display screen exists is that visual angle is little, and the content that is not easy to large screen mobile phone is shared.
In summary, there is the information leakage problem of bringing because visual angle is non-adjustable in existing terminal.
Summary of the invention
The invention provides a kind of control method, LCDs and terminal of liquid collecting crystal display screen visible angle, for solving existing terminal, have the information leakage problem of bringing because visual angle is non-adjustable.
For achieving the above object, according to a first aspect of the invention, provide a kind of LCDs, and by the following technical solutions:
LCDs comprises: adjustment module, for the visible angle of user's adjustable liquid crystal display display screen; Voltage control module, connects described regulating device, for controlling Voltage-output according to the visible angle of described adjustment module input; Liquid crystal molecule module, connects described voltage control module, for making described LCDs in described visible angle according to described Voltage-output control Liquid Crystal Molecules Alignment and upset.
Further, described liquid crystal molecule module is included in described Voltage-output and controls the lower spherical or ellipsoid shape liquid crystal molecule of realizing upset and arranging.
Further, described visible angle scope is 30 degree to 180 degree.
Further, described adjustment module comprises: angle increases module, for increasing described visible angle; Angle reduces module, for reducing described visible angle.
According to another aspect of the present invention, provide a kind of terminal, and adopt following technical scheme:
Terminal comprises above-mentioned LCDs.
According to a further aspect of the invention, provide a kind of control method of LCDs visible angle, and adopt following technical scheme:
The control method of LCDs visible angle comprises:
Receive the visible angle of user's input; According to the corresponding relation of default visible angle and voltage, control Voltage-output; According to described Voltage-output, control the Liquid Crystal Molecules Alignment of described LCDs and upset so that described LCDs reaches described visible angle.
Further, described liquid crystal molecule is the spherical or ellipsoid shape liquid crystal molecule of realizing upset and arranging under described Voltage-output is controlled.
Further, described visible angle scope is 30 degree to 180 degree.
The present invention adopts spherical or axiolitic liquid crystal molecule to substitute existing rod shaped liquid crystal molecule by display screen; by changing the control voltage of liquid crystal molecule; realize arrangement and the upset of liquid crystal molecule; make the visual angle of display screen adjustable, can effectively reach advantage and the effect of protecting in public personal information.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 represents the inner structure schematic diagram of the LCDs described in the embodiment of the present invention; And
Fig. 2 represents the process flow diagram of the control method of the LCDs visible angle described in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Fig. 1 represents the inner structure schematic diagram of the LCDs described in the embodiment of the present invention.
Shown in Figure 1, LCDs comprises: adjustment module 10, for the visible angle of user's adjustable liquid crystal display display screen; Voltage control module 12, connects described regulating device, for controlling Voltage-output according to the visible angle of described adjustment module input; Liquid crystal molecule module 14, connects described voltage control module 12, for making described LCDs in described visible angle according to described Voltage-output control Liquid Crystal Molecules Alignment and upset.
In the technique scheme of the present embodiment, adjustment module 10 is the devices that need to regulate the visible angle of LCDs according to user, and user can be according to the demand of content and scene, the visual angle that switchable liquid crystal display screen shows freely.Such as, if user when seeing video, picture together with friend, just can increase the visual angle of LCDs, share together video and the picture in LCDs with friend, at this moment user just can increase the visual angle of LCDs by adjustment module 10, can be 180 degree, because the visual angles of 180 degree make all can see content in the optional position, the place ahead of LCDs, meet the demand share; If user is in public transport, subway or other people public place how, in order to prevent having a mind to, peeping unintentionally of periphery people, can reduce the visual angle of LCDs, at this moment can be adjusted to the scope of only having user oneself just can see by adjustment module 10 equally, such as being adjusted to the visual angle of 30 degree, visual angle only has 30 degree, only has within the scope of 30 degree of LCDs the place ahead and just can see content clearly.Voltage control module 12 connects adjustment module 10 and liquid crystal molecule module 14, voltage control module 12 and adjustment module 10 have a default corresponding relation, for example, user, need to be 30 degree by the both view angle adjustment of LCDs, the voltage that needs 5 volts of voltage control module 12 outputs, the dynamics that just can make the liquid crystal molecule upset in liquid crystal molecule module 14 and arrange reaches the visible angle of 30 degree, if user need to be 180 degree by the both view angle adjustment of LCDs, the voltage that needs 12 volts of voltage control module 12 outputs, the dynamics that just can make the liquid crystal molecule upset in liquid crystal molecule module 14 and arrange reaches the visible angle of 180 degree, for other visible angles, need to set output voltage equally, make 14 upsets of liquid crystal molecule module and arrange, to change the visual angle of LCDs, reach the angle that user needs.And driving liquid crystal molecule module 14 with voltage is not unique mode, can also utilize the I/O of single-chip microcomputer to drive, with the object that reaches liquid crystal molecule upset and arrange.Therefore, the present invention is by the visible angle of adjustable liquid crystal display display screen, to meet the demand of the different occasions of user, to reach object and the effect of information security.
Preferably, described liquid crystal molecule module is included in described Voltage-output and controls the lower spherical or ellipsoid shape liquid crystal molecule of realizing upset and arranging.
The liquid crystal molecule that existing LCDs adopts is all rod shaped liquid crystal molecules, its driving feature is under polarity driven, to realize 90 degree reversions, and LCDs of the present invention adopts spherical or ellipsoid shape liquid crystal molecule, make to realize upset and the arrangement of each angle under Voltage-output is controlled, for example 30 degree, 60 degree, 90 are spent, the method realizing is exactly the corresponding relation that sets in advance output voltage and visual angle, and this correspondence setting according to being exactly upset relation by voltage and liquid crystal molecule.
Preferably, described visible angle adjustable extent is 30 degree to 180 degree.
Preferably, described adjustment module 10 comprises: angle increases module (not shown), for increasing described visible angle; Angle reduces module (not shown), for reducing described visible angle.
By the agency of in the above-described embodiments, user will have different requirements to the visual angle of LCDs according to own residing occasion difference, for example, the visual angle of the LCDs that user is current is 30 degree, and 30 degree can only can be seen in the dead ahead of LCDs, and now, user need to increase visual angle, the visual angle that needs 60 degree, this is just need to increase the object that module (not shown) reaches adjusting by the angle of adjustment module 10; Equally, user, during in very wide visual angle, if user need to dwindle visual angle, need to reduce module (not shown) by the angle of adjustment module 10, for reducing described visible angle.
The invention provides terminal and comprise above-mentioned LCDs.
Fig. 2 represents the process flow diagram of the control method of the LCDs visible angle described in the embodiment of the present invention.
Shown in Figure 2, the control method of LCDs visible angle can comprise the steps:
S201: the visible angle that receives user's input;
S203: control Voltage-output according to the corresponding relation of default visible angle and voltage;
S205: control the Liquid Crystal Molecules Alignment of described LCDs and upset so that described LCDs reaches described visible angle according to described Voltage-output.
In the technique scheme of the present embodiment, step S201 receives the visible angle of user's input, refer to that user is by the angle regulator of LCDs, input the visible angle oneself needing, control Voltage-output in step S203 is that a voltage-operated device of LCDs is controlled Voltage-output according to the corresponding relation of predefined visible angle and Voltage-output, and object is by exporting the Liquid Crystal Molecules Alignment of certain Control of Voltage LCDs and overturning to reach the object of the visible angle in step S205.This corresponding relation can be the visible angle of corresponding 30 degree of 5 volts of voltages, the visible angle of 12 volts of corresponding 180 degree of voltage.And this corresponding relation is not certain, specifically to determine according to the shape of liquid crystal molecule and the upset degree under Control of Voltage, the liquid crystal molecule of each shape all has the voltage of oneself and the corresponding relation of visible angle.
Preferably, described liquid crystal molecule is the spherical or ellipsoid shape liquid crystal molecule of realizing upset and arranging under described Voltage-output is controlled.
Preferably, described visible angle scope is 30 degree to 180 degree.
The present invention adopts spherical or axiolitic liquid crystal molecule to substitute existing rod shaped liquid crystal molecule by display screen; by changing the control voltage of liquid crystal molecule; realize arrangement and the reversion of liquid crystal molecule; make the visual angle of display screen adjustable, can effectively reach advantage and the effect of protecting in public personal information.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a LCDs, is characterized in that, comprising:
Adjustment module, for the visible angle of user's adjustable liquid crystal display display screen;
Voltage control module, connects described regulating device, for controlling Voltage-output according to the visible angle of described adjustment module input;
Liquid crystal molecule module, connects described voltage control module, for making described LCDs in described visible angle according to described Voltage-output control Liquid Crystal Molecules Alignment and upset.
2. LCDs as claimed in claim 1, is characterized in that, described liquid crystal molecule module is included in described Voltage-output and controls the lower spherical or ellipsoid shape liquid crystal molecule of realizing upset and arranging.
3. LCDs as claimed in claim 1, is characterized in that, described visible angle adjustable extent is 30 degree to 180 degree.
4. LCDs as claimed in claim 1, is characterized in that, described adjustment module comprises:
Angle increases module, for increasing described visible angle;
Angle reduces module, for reducing described visible angle.
5. a terminal, is characterized in that, comprises the LCDs described in claim 1-4 any one.
6. a control method for LCDs visible angle, is characterized in that, comprising:
Receive the visible angle of user's input;
According to the corresponding relation of default visible angle and voltage, control Voltage-output;
According to described Voltage-output, control the liquid crystal molecule upset of described LCDs and arrangement so that described LCDs reaches described visible angle.
7. control method as claimed in claim 6, is characterized in that, described liquid crystal molecule is the spherical or ellipsoid shape liquid crystal molecule of realizing upset and arranging under described Voltage-output is controlled.
8. control method as claimed in claim 6, is characterized in that, described visible angle adjustable extent is 30 degree to 180 degree.
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Cited By (7)
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| CN106156664A (en) * | 2016-07-26 | 2016-11-23 | 北京奇虎科技有限公司 | User interface anti-peeping method, system, application program and the terminal of application program |
| WO2016197847A2 (en) * | 2015-10-20 | 2016-12-15 | 中兴通讯股份有限公司 | Terminal screen display control method and device, and terminal |
| CN106991342A (en) * | 2017-03-20 | 2017-07-28 | 河南师范大学 | A kind of visual range limit for cryptographic input equipment based on liquid crystal Fresnel lens |
| CN107843993A (en) * | 2017-11-09 | 2018-03-27 | 维沃移动通信有限公司 | A kind of control method and mobile terminal of display screen visible angle |
| WO2018082217A1 (en) * | 2016-11-04 | 2018-05-11 | 深圳大学 | Screen privacy protection method and system for mobile terminal device |
| CN111222185A (en) * | 2019-12-31 | 2020-06-02 | Oppo广东移动通信有限公司 | Mobile terminal and visual angle adjusting method thereof |
| CN114429733A (en) * | 2022-01-12 | 2022-05-03 | 深圳市华星光电半导体显示技术有限公司 | Display screen with adjustable visual angle |
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| CN114429733A (en) * | 2022-01-12 | 2022-05-03 | 深圳市华星光电半导体显示技术有限公司 | Display screen with adjustable visual angle |
| CN114429733B (en) * | 2022-01-12 | 2024-03-29 | 深圳市华星光电半导体显示技术有限公司 | Display screen with adjustable visual angle |
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Application publication date: 20140416 |