CN107526980B - Display device and mobile terminal - Google Patents
Display device and mobile terminal Download PDFInfo
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- CN107526980B CN107526980B CN201710754121.9A CN201710754121A CN107526980B CN 107526980 B CN107526980 B CN 107526980B CN 201710754121 A CN201710754121 A CN 201710754121A CN 107526980 B CN107526980 B CN 107526980B
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- 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
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Abstract
The invention discloses a display device and a mobile terminal, wherein the display device comprises a liquid crystal module plate for controlling each pixel to display and a light ray adjusting plate arranged in parallel with the liquid crystal module plate; the inclination angle of the light adjusting plate can be adjusted to adjust the emergent angle of the light beam. The invention has the effect of increasing the privacy of the mobile terminal.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a display device and a mobile terminal.
Background
With the technical development of display panels, the visual angle can reach 170 to 179 degrees, so that a user can view a screen interface at various angles.
With the function of the mobile terminal becoming richer and richer, the content of the mobile terminal related to privacy becomes more and more, and the time of using the mobile phone in public places by people becomes more and more frequent. However, as the screen of the mobile terminal becomes larger and larger, the user instead starts to worry that the visual angle is too large, and when watching private information, people nearby may also see the private information, which causes privacy disclosure.
Disclosure of Invention
The invention mainly aims to provide a display device and a mobile terminal, aiming at enabling the visual angle to be adjustable and increasing the privacy of the mobile terminal.
In order to achieve the above object, the present invention provides a display device, which includes a liquid crystal module board for controlling display of each pixel, and a light adjusting board disposed parallel to the liquid crystal module board; the inclination angle of the light adjusting plate can be adjusted to adjust the emergent angle of the light beam.
Optionally, the light adjusting plate is disposed on the light incident side of the liquid crystal module plate.
Optionally, the light adjusting plate is a light-transmitting plate; and the light emitted by the light source is refracted and passes through the light-transmitting plate and then enters the liquid crystal module plate.
Optionally, the light adjusting plate includes a fixing frame and an adjusting plate unit; the fixing frame is provided with a plurality of hollowed holes, the shapes of the hollowed holes are matched with those of the adjusting plate units, and the adjusting plate units are rotatably installed in the hollowed holes.
Optionally, the hollow holes are rectangular, and a plurality of the hollow holes are uniformly arranged in rows and columns at intervals; the adjusting plate units are arranged in the hollow holes through rotating shafts, and the rotating shafts of the adjusting plate units are arranged in parallel.
Optionally, a rotating shaft penetrates through the hollow hole in each row, and the plurality of adjusting plate units in each row are mounted on the same rotating shaft.
Optionally, the display device further includes a backlight source, and light beams emitted from the backlight source reach the outside after passing through the liquid crystal module plate and the light adjustment plate module.
Optionally, the backlight source is disposed on the light incident side of the light adjusting plate.
The invention also provides a mobile terminal which comprises the display device.
Optionally, the mobile terminal further includes a processor, a memory, and a visual angle adjustment program stored on the memory and operable on the processor; the visual angle adjusting program, when executed by the processor, implements the steps of:
acquiring face information of a user through a front camera, and determining the relative position of the face of the user and a screen of the mobile terminal;
and controlling the deflection of the light ray adjusting plate module according to the obtained relative position, wherein the direction of the deflection is consistent with the direction of the position of the face of the user.
According to the display device and the mobile terminal provided by the invention, the light ray adjusting plate is added in the display device, so that the emergent angle of the light beam is changed from the traditional uniform emergent to the concentrated emergent towards the target direction, and the target direction can be correspondingly changed according to the change of the inclination angle of the light ray adjusting plate. Therefore, the display device in the embodiment has the effect that the visual angle can be changed, the effect that the display device can be watched in the specified direction and is difficult to watch in other directions can be met, and the privacy of the display device is enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a display device according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating an operating state of the display device shown in FIG. 1;
FIG. 3 is a schematic view of a light adjustment plate in the display device shown in FIG. 1.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2, an embodiment of a display device according to the invention is shown. The display device includes a liquid crystal module panel 100 for controlling display of each pixel, and a light adjustment panel 200 disposed parallel to the liquid crystal module panel 100.
In this embodiment, the liquid crystal module board 100 includes a first polarizing plate 110, a first glass substrate 120 disposed on the light incident side of the first polarizing plate 110, a second glass substrate 140 disposed on the light incident side of the first glass substrate, a liquid crystal layer 130 sandwiched between the first glass substrate 120 and the second glass substrate 140, and a second polarizing plate 150 disposed on the light incident side of the second glass substrate 140. The liquid crystal module board 100 generates an effect that light passes through or is shielded by liquid crystal by controlling a form change of the liquid crystal, thereby achieving formation of each pixel and an entire image. In other embodiments, the liquid crystal module board 100 may also adopt other layout schemes to achieve the same purpose of forming different pictures by adjusting the light transmittance of each pixel.
The inclination angle of the light adjusting plate 200 can be adjusted to adjust the outgoing angle of the light beam. The light adjustment plate 200 may adopt a scheme of adjusting the light beam emitting direction by refraction and transmission, or a scheme of adjusting the light beam emitting direction by reflection. The light adjustment plate 200 may be disposed on the light incident side of the liquid crystal module plate 100, or may be disposed on the light emitting side of the night module plate 100. The driving force for adjusting the inclination angle of the light adjustment plate 200 may be manually adjusted by a user; or an internal motor, and the inclination angle of the light adjustment plate 200 is adjusted by the rotation of the internal motor; it is also possible that the display device is automatically adjusted according to the change of the center of gravity when it is deflected. The adjusted light beam will be directed to the face position 400 of the user, so that the effect of only being viewed from the direction of the user is achieved.
The position between the light adjustment plate 200 and the liquid crystal module plate 100 may be fixed by a housing. For example, a housing provided with two predetermined slots into which the light adjustment plate 200 and the liquid crystal module plate 100 are inserted. A fixing post may be provided between the light adjustment plate 200 and the liquid crystal module plate 100, and the light adjustment plate 200 and the night module plate 100 may be fixed by the fixing post.
In the present embodiment, by adding the light adjustment plate 200 to the display device, the outgoing angle of the light beam is changed from the conventional uniform outgoing to the concentrated outgoing toward the target direction, and the target direction can be changed correspondingly according to the change of the inclination angle of the light adjustment plate 200. Therefore, the display device in the embodiment has the effect that the visual angle can be changed, the effect that the display device can be watched in the specified direction and is difficult to watch in other directions can be met, and the privacy of the display device is enhanced.
Referring to fig. 2 again, optionally, the light adjusting plate 200 is disposed on the light incident side of the liquid crystal module plate 100. After the light beams are adjusted by the light adjusting plate 200, obliquely emitted light beams are generated, and the light beams are emitted into the liquid crystal module board 100 and then obliquely emitted outwards, so that a user along the direction of the light beams can see the content displayed by the liquid crystal module board 100.
In this embodiment, the light adjustment plate 200 is disposed on the light incident side of the liquid crystal module plate 100, and compared with the light adjustment plate 200 disposed on the light emergent side of the liquid crystal module plate 100, on one hand, the light emitting angle of the light beam can be controlled, and on the other hand, the influence on the display surface of the liquid crystal module plate 100 is reduced, thereby avoiding the situation of difficult observation.
Optionally, the light adjusting plate 200 is a light-transmitting plate; the light emitted from the light source is refracted and passes through the light-transmitting plate and then enters the liquid crystal module plate 100. In this embodiment, the light adjustment plate 200 is a uniform acrylic plate, so as to have a stable refractive index, and have the effects of simple structure and low cost. In other embodiments, other transparent materials may also be employed, such as glass or polycarbonate, among others.
In this embodiment, by setting the light adjustment plate 200 as a transparent plate, the emitting direction of the light beam can be controlled by refraction, and this scheme has an effect of easily controlling the angle of the light beam. In other embodiments, the light adjustment plate 200 may also adopt a light reflection plate.
Referring to fig. 3, optionally, the light adjustment plate 200 includes a fixing frame 210 and an adjustment plate unit 220; the fixing frame 210 is provided with a plurality of hollow holes (not labeled), the shapes of the hollow holes are matched with the shapes of the adjusting plate units 220, and the adjusting plate units 220 are rotatably installed in the hollow holes. In this embodiment, the fixing frame 210 is made of a transparent material, so that more light beams can pass through the fixing frame, and the brightness reduction caused by the light adjustment plate 200 is reduced. The adjusting plate unit 220 can be installed in the hollow hole through a rotating shaft, so that the effect of rotating after installation is achieved; the posture can also be adjusted by a scheme that the swing rod is fixed and swings along with the swing rod.
In this embodiment, the light adjustment plate 200 has a plurality of adjustment plate units 220, and each adjustment plate unit 220 can be adjusted by rotation, so that the emergent angle of the light beam can be controlled more accurately, and the effect of more convenient control is achieved.
Optionally, the hollow holes are rectangular, and the plurality of hollow holes are arranged in rows and columns at uniform intervals, for example, 3 rows and 4 columns, 4 rows and 5 columns, and the like, until the whole light adjustment plate 200 is covered.
The adjusting plate units 220 are installed in the hollow holes through rotating shafts 211, and a plurality of rotating shafts of the adjusting plate units 220 are arranged in parallel. In this embodiment, the rotation shaft 211 is an external part and passes through the middle of the adjustment plate unit 220. In other embodiments, the rotation shaft 211 may also be a protrusion extending from each of the adjusting plate units 220, and the setting position thereof may also be a middle position or an edge position.
In this embodiment, because the rectangle is comparatively standard shape, then be the rectangle form through setting up the fretwork hole, can furthest fretwork fixed frame 210, reach higher light beam regulation region. Further, the rotation shafts of the adjustment plate units 220 are arranged in parallel, which is convenient for unifying the adjustment plate units 220.
Optionally, a rotating shaft 211 is disposed through the hollow hole in each row, and the plurality of adjusting plate units 220 in each row are mounted on the same rotating shaft 211. The rotating shaft 211 may be integrally formed, or may be formed by connecting a plurality of sections of rotating shafts end to end.
In this embodiment, the adjusting plate units 220 in each row are disposed on the same rotating shaft 211, so that the adjusting plate units 220 can be further adjusted uniformly.
Optionally, the display device further includes a backlight 300, and light beams emitted from the backlight 300 pass through the liquid crystal module board 100 and the light adjusting board 200 and then reach the outside.
In this embodiment, by adding the backlight 300, the display device can have complete functions and better integrity. Without the backlight 300, the display device can be sold and installed as a more simply constructed component.
Optionally, the backlight source 300 is disposed on the light incident side of the light adjusting plate 200. The light beams generated by the backlight 300 are emitted in the direction of the light adjusting plate 200, and specifically, a direct type backlight may be used, or a side type backlight may be used, which is not limited herein.
The invention also provides a mobile terminal which comprises the display device. The specific structure of the display device refers to the above embodiments, and since the mobile terminal adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
Further, the mobile terminal further comprises a processor, a memory and a visual angle adjusting program which is stored on the memory and can run on the processor; the visual angle adjusting program, when executed by the processor, implements the steps of:
and step S100, acquiring face information of the user through the front camera, and determining the relative position of the face of the user and the screen of the mobile terminal.
Face information is identified and the user's facial position 400 can be determined synthetically from eye features or in combination with contour features of the eyes, nose, mouth, and face.
Step S200, controlling the deflection of the light ray adjusting plate 200 module according to the obtained relative position, wherein the direction of the deflection is consistent with the direction of the position of the face of the user.
The mobile terminal provided by the embodiment can actively track the face of the user by setting the visual angle adjusting program, so that the effect of automatically adjusting the visual angle is achieved, and the use by the user is facilitated.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A display device is characterized by comprising a liquid crystal module plate for controlling each pixel to display, and a light adjusting plate arranged in parallel with the liquid crystal module plate; the inclination angle of the light ray adjusting plate can be adjusted to adjust the emergent angle of the light beam;
the display device also comprises a backlight source, and light beams emitted by the backlight source reach the outside after passing through the liquid crystal module plate and the light ray adjusting plate module;
the light adjusting plate is arranged on the light incident side of the liquid crystal module plate;
the number of the light ray adjusting plates is multiple;
the light ray adjusting plate is a light-transmitting plate; and the light emitted by the backlight source is refracted and passes through the light-transmitting plate and then enters the liquid crystal module plate.
2. The display device of claim 1, wherein the light adjustment plate includes a fixing frame and an adjustment plate unit; the fixing frame is provided with a plurality of hollowed holes, the shapes of the hollowed holes are matched with those of the adjusting plate units, and the adjusting plate units are rotatably installed in the hollowed holes.
3. The display device according to claim 2, wherein the plurality of holes are rectangular, and the plurality of holes are arranged in rows and columns at uniform intervals; the adjusting plate units are arranged in the hollow holes through rotating shafts, and the rotating shafts of the adjusting plate units are arranged in parallel.
4. The display device as claimed in claim 3, wherein a rotation shaft is formed through the hollow holes of each row, and the plurality of adjustment plate units of each row are mounted on the same rotation shaft.
5. The display device of claim 1, wherein the backlight source is disposed on a light incident side of the light adjustment plate.
6. A mobile terminal, characterized in that it comprises a display device according to any one of claims 1 to 5.
7. The mobile terminal of claim 6, wherein the mobile terminal further comprises a processor, a memory, and a visual angle adjustment program stored on the memory and executable on the processor; the visual angle adjusting program, when executed by the processor, implements the steps of:
acquiring face information of a user through a front camera, and determining the relative position of the face of the user and a screen of the mobile terminal;
and controlling the deflection of the light ray adjusting plate module according to the obtained relative position, wherein the direction of the deflection is consistent with the direction of the position of the face of the user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710754121.9A CN107526980B (en) | 2017-08-29 | 2017-08-29 | Display device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710754121.9A CN107526980B (en) | 2017-08-29 | 2017-08-29 | Display device and mobile terminal |
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| Publication Number | Publication Date |
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| CN107526980A CN107526980A (en) | 2017-12-29 |
| CN107526980B true CN107526980B (en) | 2021-08-03 |
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| CN201710754121.9A Active CN107526980B (en) | 2017-08-29 | 2017-08-29 | Display device and mobile terminal |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001311946A (en) * | 2000-02-22 | 2001-11-09 | Matsushita Electric Ind Co Ltd | Liquid crystal display device |
| CN103838028A (en) * | 2012-11-27 | 2014-06-04 | 英业达科技有限公司 | Privacy display device |
| CN105607330A (en) * | 2015-12-31 | 2016-05-25 | 深圳市万普拉斯科技有限公司 | Display device and display module thereof |
| CN106125361A (en) * | 2016-08-05 | 2016-11-16 | 京东方科技集团股份有限公司 | A kind of display floater and driving method thereof and display device |
-
2017
- 2017-08-29 CN CN201710754121.9A patent/CN107526980B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001311946A (en) * | 2000-02-22 | 2001-11-09 | Matsushita Electric Ind Co Ltd | Liquid crystal display device |
| CN103838028A (en) * | 2012-11-27 | 2014-06-04 | 英业达科技有限公司 | Privacy display device |
| CN105607330A (en) * | 2015-12-31 | 2016-05-25 | 深圳市万普拉斯科技有限公司 | Display device and display module thereof |
| CN106125361A (en) * | 2016-08-05 | 2016-11-16 | 京东方科技集团股份有限公司 | A kind of display floater and driving method thereof and display device |
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| CN107526980A (en) | 2017-12-29 |
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