CN107831619A - The projector equipment and display device of privacy can be protected - Google Patents
The projector equipment and display device of privacy can be protected Download PDFInfo
- Publication number
- CN107831619A CN107831619A CN201711276958.3A CN201711276958A CN107831619A CN 107831619 A CN107831619 A CN 107831619A CN 201711276958 A CN201711276958 A CN 201711276958A CN 107831619 A CN107831619 A CN 107831619A
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- CN
- China
- Prior art keywords
- polarizer
- privacy
- light source
- display
- backlight
- 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.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Projection Apparatus (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
The present invention discloses a kind of projector equipment and display device for protecting privacy, and this can protect the display device of privacy to include：Backlight, LED light source, the LED light source are arranged in backlight, and processing of the light through backlight that the LED light source projects can form the composograph picture of at least two image informations；Polarizer, the polarizer are arranged at the light emission side of backlight, to be polarized to synthesis image frame, to filter out a kind of image display picture；LCD display, the LCD display are located at the light emission side of backlight, to be shown to synthesis image frame；Polarising glass, the polarising glass have the polaroid complementary with the polarizing angle of polarizer, to isolate the image display picture that polarizer screens in the composograph picture that show when user wears from LCD display.The present invention can separate display image from composograph, have the effect of protection privacy of user.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of projector equipment and display device for protecting privacy.
Background technology
At present, display device and projector equipment only have a kind of display effect or drop shadow effect mostly, and user passes through naked
Eye can watch whole display informations or projection information.In recent years, with the continuous development of stereo display technique, go out on the market
A variety of stereoscopic display devices are showed.For example, using display device made of double screen grating technology, including two show left eye respectively
The display screen of image and eye image, two display screens are respectively equipped with polarizer, can be in user by special polarising glass
Brain synthetic stereo image.And for example, quilt is shown using made of the double picture grating technologies of same screen, including on the screen at the same simultaneously
The display screen of left-eye image and eye image is shown, alternately two kinds of polarizers are provided with screen, by wearing special polarization eye
Mirror, can be in user's brain synthetic stereo image.The complex functionality only with stereo-picture that above-mentioned stereoscopic display device considers,
It can not realize that needs show different image informations according to different object implementatio8s, i.e., without privacy protection function, reduce
The experience effect of user.
In view of this, it is necessary to propose that the structure of current display device is further improved.
The content of the invention
To solve an above-mentioned at least technical problem, the main object of the present invention is to provide a kind of projection for protecting privacy and set
Standby and display device.
To achieve the above object, one aspect of the present invention is：A kind of display for protecting privacy is provided to set
It is standby, including：
Backlight,
LED light source, the LED light source are arranged in backlight, processing of the light through backlight that the LED light source projects
The composograph picture of at least two image informations can be formed；
Polarizer, the polarizer are arranged at the light emission side of backlight, to be polarized to synthesis image frame, with screening
Go out a kind of image display picture；
LCD display, the LCD display are located at the light emission side of backlight, to be shown to synthesis image frame；
Polarising glass, the polarising glass has the polaroid complementary with the polarizing angle of polarizer, to be worn in user
When the composograph picture that is shown from LCD display in isolate the image display picture of polarizer screening.
Wherein, the polarizer is between backlight and LCD display.
Wherein, the polarizer is arranged at intervals with backlight, and the LCD display is between backlight and polarizer.
Wherein, the shell of the display device for protecting privacy is additionally provided with stopper slot, and the polarizer removably fills
Assigned in stopper slot.
Wherein, in addition to Fresnel Lenses, the Fresnel Lenses is between LCD display and backlight.
Wherein, the display device for protecting privacy is any of TV, mobile device and VR equipment.
To achieve the above object, another technical solution used in the present invention is：A kind of projection for protecting privacy is provided
Equipment, including：
LED light source,
Control panel, the light that the LED light source projects can form at least two image informations after the processing of control panel
Composograph picture；
Polarizer, the polarizer are arranged in the light extraction light path of light source, to be polarized to synthesis image frame, with sieve
Select a kind of image display picture；
Reflective mirror, the reflective mirror are located in the light extraction light path of light source, and the light extraction light path of reflective mirror and light source is in 45° angle
Set, to reflect composograph picture；
Go out light microscopic, it is described go out light microscopic the composograph picture of reflection is projected on screen；
Polarising glass, the polarising glass has the polaroid complementary with the polarizing angle of polarizer, to be worn in user
When isolated from the composograph picture of screen display polarizer screening image display picture.
Wherein, the projector equipment for protecting privacy also includes the first Fresnel Lenses and the second Fresnel Lenses, institute
The first Fresnel Lenses is stated between light source and polarizer, second Fresnel Lenses be located at reflective mirror and polarizer it
Between.
Wherein, reflective bucket, the rectangular cross-section of the reflective bucket, to project square are provided between the light source and polarizer
Shape hot spot.
Wherein, the LED light source is integrated optical source.
Technical scheme forms the composograph picture with two kinds of pictures in the display device, passes through polarizer
A kind of image display picture is may separate out, when user does not have wearing spectacles, composograph picture can not be seen, is worn in user
During polarising glass, the image display picture of separation can be seen from composograph picture, in this way, can be shown to the image of separation
Picture is protected, and to protect the privacy of user, lifts the experience of user.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the structural representation for the display device that one embodiment of the invention can protect privacy；
Fig. 2 is the structural representation for the display device that another embodiment of the present invention can protect privacy；
Fig. 3 is the structural representation for the projector equipment that one embodiment of the invention can protect privacy.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the description for being related to " first ", " second " etc. in the present invention be only used for describe purpose, and it is not intended that
Indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme
Occur conflicting or will be understood that the combination of this technical scheme is not present when can not realize, also not in the guarantor of application claims
Within the scope of shield.
Referring to Fig.1 and 2, in embodiments of the present invention, this can protect the display device of privacy, including：
Backlight 20,
LED light source 10, the LED light source 10 are arranged in backlight 20, and the light that the LED light source 10 projects is through backlight
The processing of plate 20 can form the composograph picture of at least two image informations；
Polarizer 30, the polarizer 30 are arranged at the light emission side of backlight 20, to be polarized to synthesis image frame,
To filter out a kind of image display picture；
LCD display 40, the LCD display 40 are located at the light emission side of backlight 20, to be carried out to synthesis image frame
Display；
Polarising glass, the polarising glass has the polaroid complementary with the polarizing angle of polarizer 30, to be worn in user
The image display picture of the screening of polarizer 30 is isolated in the composograph picture that Dai Shicong LCD displays 40 are shown.
In above-described embodiment, the display device is the terminal with display screen, such as TV, mobile device and VR equipment, intelligence
Energy mobile phone etc..The LED light source 10 is segmented into two, and the light that two LED light sources 10 project is handled by backlight 20, can
Form the composograph picture of at least two image informations.Polarizer 30 filters out a kind of image from composograph picture and shown
Picture, when user does not have user wearing polarized glasses, composograph picture can not be seen, can be from conjunction when with polarising glass
The image display picture of screening is isolated into image frame.
Technical scheme forms the composograph picture with two kinds of pictures in the display device, passes through polarizer
30 may separate out a kind of image display picture, when user does not have wearing spectacles, can not see composograph picture, be worn in user
When wearing polarising glass, the image display picture of separation can be seen from composograph picture, in this way, can show to the image of separation
Show that picture is protected, to protect the privacy of user, lift the experience of user.
Refer to Fig. 1, in a specific embodiment, the polarizer 30 be located at backlight 20 and LCD display 40 it
Between.Specifically, the polarizer 30 is single chip architecture, the merging image frame so formed from the process processing of backlight 20, not
It can be seen by the user of bore hole, and by wearing polarization i.e. it can be seen that the image display picture of separation.Polarizer 30 can be fixed
It is installed between backlight 20 and LCD display 40.
Fig. 2 is refer to, in an embodiment arranged side by side, the polarizer 30 is arranged at intervals with backlight 20, and the LCD shows
Display screen 40 is between backlight 20 and polarizer 30.Polarizer 30 can be arranged on LCD display 40, in this way, with convenient
Maintenance and dismounting to polarizer 30.
Further, in order to further facilitate dismounting, the shell of the display device for protecting privacy is additionally provided with spacing
Groove, the polarizer 30 are removably assemblied in stopper slot.The structure such as groove, axle, abutting edge can be set on shell or framework,
So that polarizer 30 to be fixed.
Wherein, in addition to Fresnel Lenses, the Fresnel Lenses is between LCD display 40 and backlight 20.For
Further raising light extraction efficiency, above-mentioned display device can also install Fresnel Lenses, so that composograph picture is parallel
It is incident upon on Fresnel Lenses.
Refer to Fig. 3, in embodiments of the invention, this can protect the projector equipment of privacy, including：
LED light source 10,
Control panel, the light that the LED light source 10 projects can form at least two image informations after the processing of control panel
Composograph picture；
Polarizer 30, the polarizer 30 are arranged in the light extraction light path of light source, to be polarized to synthesis image frame,
To filter out a kind of image display picture；
Reflective mirror 40, the reflective mirror 40 are located in the light extraction light path of light source, and the light extraction light path of reflective mirror 40 and light source
Set in 45° angle, to reflect composograph picture；
Go out light microscopic 50, it is described go out light microscopic 50 the composograph picture of reflection is projected on screen 60；
Polarising glass, the polarising glass has the polaroid complementary with the polarizing angle of polarizer 30, to be worn in user
The image display picture of the screening of polarizer 30 is isolated in the composograph picture that Dai Shicong screens 60 are shown.
In above-described embodiment, projector equipment is specially projecting apparatus.The LED light source 10 is segmented into two, two LED light sources
10 light projected are handled by control panel, can form the composograph picture of at least two image informations.Polarizer 30 from
A kind of image display picture is filtered out in composograph picture, the composograph picture can be through not wearing polarization eye in user
During mirror, composograph picture can not be seen, when with polarising glass, the figure of screening can be isolated from composograph picture
As display picture.
In a specific embodiment, in order to improve light extraction efficiency, the projector equipment for protecting privacy also includes the
One Fresnel Lenses 21 and the second Fresnel Lenses 22, first Fresnel Lenses 21 between light source and polarizer 30,
Second Fresnel Lenses 22 is between reflective mirror 40 and polarizer 30.First Fresnel Lenses 21 is used for through light source
The light ray parallel of injection projects, to improve even optical property；Second Fresnel Lenses 22 is used to show the image through polarizer 30
Picture carries out optically focused so that the picture quality of projection is more preferable.
Specifically, reflective bucket 70 is provided with further to improve the light gathering efficiency of light source, between the light source and polarizer 30,
The rectangular cross-section of the reflective bucket 70, to project rectangular light spot, meets the needs of rectangle projection display.Further, institute
It is integrated optical source to state LED light source 10, in this way, to provide the demand of sufficiently large power projection.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in the scope of patent protection of the present invention.
Claims (10)
1. a kind of display device for protecting privacy, it is characterised in that the display device for protecting privacy includes：
Backlight,
LED light source, the LED light source are arranged in backlight, and processing of the light through backlight that the LED light source projects can shape
Into the composograph picture of at least two image informations；
Polarizer, the polarizer are arranged at the light emission side of backlight, to be polarized to synthesis image frame, to filter out one
Kind image display picture；
LCD display, the LCD display are located at the light emission side of backlight, to be shown to synthesis image frame；
Polarising glass, the polarising glass have the polaroid complementary with the polarizing angle of polarizer, with when user wears from
The image display picture of polarizer screening is isolated in the composograph picture that LCD display is shown.
2. the display device of privacy can be protected as claimed in claim 1, it is characterised in that the polarizer be located at backlight with
Between LCD display.
3. the display device of privacy can be protected as claimed in claim 1, it is characterised in that the polarizer and backlight interval
Set, the LCD display is between backlight and polarizer.
4. the display device of privacy can be protected as claimed in claim 3, it is characterised in that the display for protecting privacy is set
Standby shell is additionally provided with stopper slot, and the polarizer is removably assemblied in stopper slot.
5. the display device of privacy can be protected as claimed in claim 4, it is characterised in that described also including Fresnel Lenses
Fresnel Lenses is between LCD display and backlight.
6. the display device of privacy can be protected as claimed in claim 5, it is characterised in that the display for protecting privacy is set
Standby is any of TV, mobile device and VR equipment.
7. a kind of projector equipment for protecting privacy, it is characterised in that the display device for protecting privacy includes：
LED light source,
Control panel, the light that the LED light source projects can form the synthesis of at least two image informations after the processing of control panel
Image frame；
Polarizer, the polarizer are arranged in the light extraction light path of light source, to be polarized to synthesis image frame, to filter out
A kind of image display picture；
Reflective mirror, the reflective mirror are located in the light extraction light path of light source, and the light extraction light path of reflective mirror and light source is set in 45° angle
Put, to reflect composograph picture；
Go out light microscopic, it is described go out light microscopic the composograph picture of reflection is projected on screen；
Polarising glass, the polarising glass have the polaroid complementary with the polarizing angle of polarizer, with when user wears from
The image display picture of polarizer screening is isolated in the composograph picture of screen display.
8. the projector equipment of privacy can be protected as claimed in claim 7, it is characterised in that the projection for protecting privacy is set
It is standby also to include the first Fresnel Lenses and the second Fresnel Lenses, first Fresnel Lenses be located at light source and polarizer it
Between, second Fresnel Lenses is between reflective mirror and polarizer.
9. the projector equipment of privacy can be protected as claimed in claim 8, it is characterised in that set between the light source and polarizer
There are reflective bucket, the rectangular cross-section of the reflective bucket, to project rectangular light spot.
10. the projector equipment of privacy can be protected as claimed in claim 9, it is characterised in that the LED light source is Integrated Light
Source.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276958.3A CN107831619A (en) | 2017-12-06 | 2017-12-06 | The projector equipment and display device of privacy can be protected |
| PCT/CN2017/117923 WO2019109404A1 (en) | 2017-12-06 | 2017-12-22 | Privacy-protection projection device and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276958.3A CN107831619A (en) | 2017-12-06 | 2017-12-06 | The projector equipment and display device of privacy can be protected |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107831619A true CN107831619A (en) | 2018-03-23 |
Family
ID=61641982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711276958.3A Pending CN107831619A (en) | 2017-12-06 | 2017-12-06 | The projector equipment and display device of privacy can be protected |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107831619A (en) |
| WO (1) | WO2019109404A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702072A (en) * | 2008-11-06 | 2010-05-05 | 唐德明 | Light projection engine apparatus |
| CN103576386A (en) * | 2013-10-30 | 2014-02-12 | 青岛歌尔声学科技有限公司 | Anti-stealing 3D liquid crystal display, anti-stealing 3D glasses, liquid crystal display system and implementation method |
| CN104122705A (en) * | 2014-07-11 | 2014-10-29 | 京东方科技集团股份有限公司 | Display panel, displayer, display device and driving method |
| CN104375278A (en) * | 2014-11-19 | 2015-02-25 | 深圳市华星光电技术有限公司 | Liquid-crystal display system and polaroid glasses |
| CN207516698U (en) * | 2017-12-06 | 2018-06-19 | 陈偲 | The projection device of privacy and display equipment can be protected |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008067558A2 (en) * | 2006-11-30 | 2008-06-05 | Real D | High performance shutter glasses for multifunctional display |
| CN103676301A (en) * | 2013-12-27 | 2014-03-26 | 京东方科技集团股份有限公司 | Display device and display system |
-
2017
- 2017-12-06 CN CN201711276958.3A patent/CN107831619A/en active Pending
- 2017-12-22 WO PCT/CN2017/117923 patent/WO2019109404A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702072A (en) * | 2008-11-06 | 2010-05-05 | 唐德明 | Light projection engine apparatus |
| CN103576386A (en) * | 2013-10-30 | 2014-02-12 | 青岛歌尔声学科技有限公司 | Anti-stealing 3D liquid crystal display, anti-stealing 3D glasses, liquid crystal display system and implementation method |
| CN104122705A (en) * | 2014-07-11 | 2014-10-29 | 京东方科技集团股份有限公司 | Display panel, displayer, display device and driving method |
| CN104375278A (en) * | 2014-11-19 | 2015-02-25 | 深圳市华星光电技术有限公司 | Liquid-crystal display system and polaroid glasses |
| CN207516698U (en) * | 2017-12-06 | 2018-06-19 | 陈偲 | The projection device of privacy and display equipment can be protected |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019109404A1 (en) | 2019-06-13 |
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Application publication date: 20180323 |
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