CN102222492B - Anti-peep method and device of display device - Google Patents
Anti-peep method and device of display device Download PDFInfo
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- CN102222492B CN102222492B CN 201010145384 CN201010145384A CN102222492B CN 102222492 B CN102222492 B CN 102222492B CN 201010145384 CN201010145384 CN 201010145384 CN 201010145384 A CN201010145384 A CN 201010145384A CN 102222492 B CN102222492 B CN 102222492B
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Abstract
The invention relates to an anti-peep method and an anti-peep device of a display device. The display device with an anti-peep function is used for displaying a normal image to a using area which takes a user as center; the display device comprises a display panel, a display control module and an optical path control module, wherein the display comprises a plurality of pixels for displaying the image; the display control module generates an interference image and receives the normal image, and is electrically connected with the display panel to set the partial pixels in the display panel as display pixels of the normal image and set the other part of the pixels in the display panel to be the interference pixels for displaying the interference image; the optical path control module and the pixels of the display panel are arranged correspondingly to control the optical path of the interference pixels, so as to enable the light of the interference pixels to be towards to the area beyond the using area. In the invention, the anti-peep effect is achieved as bystanders outside the using area are interfered by the interference image.
Description
Technical field
The present invention relates to a kind of method and device thereof of display device peep-proof, refer to that especially a kind of display device utilizes method and the device thereof of interference images peep-proof.
Background technology
The range of application of display device is considerably extensive, for example notebook computer, mobile phone, digital camera, personal digital assistant etc., and when using display device, how to prevent that the data that are shown in display device from not spied on by the onlooker, be a problem that merits attention.
Known peep-proof technology is to use a peep-proof protector to stick on the display panel of display device; by the lens peculiarity on blooming; make the visual range of display panel be confined to a certain zone that to watch for the user; and allow the onlooker have no way of spying on; perhaps by controlling liquid crystal to cover mode backlight; making in the visual range of expectation has image, and image is all can't see in other zones.Yet, whether also have additive method can make display device have peep-proof function, with further study and research.
Summary of the invention
Therefore, purpose of the present invention is namely in a kind of method that display device peep-proof is provided.
So the method for display device peep-proof of the present invention is applied to a display device, this display device is regional in order to show the use of a normal images to centered by the user, and the method comprises: produce an interference images; A display panel in this display device shows a normal images and an interference images; And this interference images is projected to this zone in addition, use zone.
Preferably, this display panel of this display device shows this normal images and this interference images, is wherein partly to be set as by a plurality of pixels with this display panel the display pixel and the part that show this normal images to be set as the interference pixel that shows this interference images; This interference images is projected to zone beyond this use zone, is to utilize a light path control assembly to make these disturb the unlikely throwing of light that pixels send toward this uses zone, makes the onlooker who is positioned at this uses regional zone in addition watch this interference images.
This light path control assembly wherein is in order to these are disturbed pixel toward the light path blocking-up of the regional projection of this use, so that this interference images is not projected to this use zone and is projected to this zone in addition, use zone.Further illustrate, this light path control assembly is formed with a plurality of transmittance sections and a plurality of non-transmittance section, and these bearing of trends that disturb pixel and these non-transmittance section lines are namely that this use is regional, these transmittance sections use the light that sends for these display pixels to pass through, and these non-transmittance sections are used for these light that disturbs pixel to send and do not passed through.And, these transmittance sections of this light path control assembly and the position of these non-transmittance sections are that the position that the sensor according to this display device detects this user is adjusted, namely, detect this user by this sensor, judging this user with respect to a relative position of this display device, and adjust these transmittance sections and these non-transmittance sections of this light path control assembly according to this relative position.Thus, when this user moved, the position of these transmittance sections and these non-transmittance sections can be adjusted accordingly, made the onlooker who is positioned at this zone in addition, use zone continue to watch this interference images.
In addition, alternative this light path control assembly is in order to the deflection of light with past this use zone projection of these interference pixels, so that this interference images is projected to this zone in addition, use zone.
Preferably, this display panel of this display device shows this normal images and this interference images, is alternately to show a normal images and an interference images by this display panel that makes this display device; This interference images is projected to this zone in addition, use zone, by making this display panel when showing this normal images, this normal images is projected to this use regional, and make this display panel when showing this interference images, this interference images is projected to this zone in addition, use zone, makes the onlooker who is positioned at this zone in addition, use zone can see this interference images.Further illustrate, this normal images is projected to this use zone and this interference images and is projected to zone beyond this uses zone, is to utilize a backlight module of this display device to provide to I haven't seen you for ages toward one first light source of this uses zone projection and the secondary light source that throws toward this uses regional zone in addition.
Another object of the present invention is to provide a kind of display device with peep-proof function.
So, the present invention has the display device of peep-proof function, regional in order to show the use of a normal images to centered by the user, and this display device comprises a display panel, a display control module and a light path control assembly, and this display panel comprises a plurality of pixels in order to show image; This display control module receives this normal images and produces an interference images, and be electrically connected to this display panel, the partial pixel in this display panel being set as the display pixel that shows this normal images, and make another part pixel in this display panel be set as the interference pixel that shows this interference images; This light path control assembly and the corresponding setting of these pixels of this display panel, the light path of disturbing pixel to control these makes these light that disturb pixel towards this zone in addition, use zone.
Preferably, these show the pixel of this normal images and these pixels that shows this interference images directly to be spaced, the lateral separation arranges or is staggered.
Preferably, this light path control assembly is a lens pillar that is arranged on this display panel, this lens pillar is formed with a plurality of positions and disturbs the first cylindrical portion of pixel corresponding to these, and a plurality of positions are corresponding to the second cylindrical portion of these display pixels, these first cylindrical portion make the light deflection that this interference pixel sends and are projected to zone beyond this use zone, these second cylindrical portion make light that this display pixel sends directly by or to be projected to this uses regional.
Preferably, this light path control assembly can be the compartment of terrain and is arranged at a liquid crystal light valve on this display panel, this liquid crystal light valve is formed with a plurality of transmittance sections and a plurality of non-transmittance section, these transmittance sections make light that this display pixel sends directly by investing this use zone, and the light that this interferences pixel sends is covered in these non-transmittance sections makes this use of unlikely trend of purchasing regional.Further, this display device also comprises a sensor and a position adjusting type modules, and this sensor is in order to detect this user's position; This this sensor of position adjusting type modules mat is judged this user with respect to a relative position of this display device, and adjust this transmittance section of this liquid crystal light valve and the position of this non-transmittance section according to this relative position, make these transmittance section perseverances make light that this display pixel sends directly by investing this use zone, and permanently make these non-transmittance sections cover the light that this interferences pixel sends and this use of unlikely trend of purchasing is regional.
Preferably, this light path control assembly can be the compartment of terrain and is arranged at a parallax barrier plate on this display panel, this parallax barrier plate is formed with a plurality of transmittance sections and a plurality of non-transmittance section, these transmittance sections make light that this display pixel sends directly by investing this use zone, and the light that this interferences pixel sends is covered in these non-transmittance sections makes this use of unlikely trend of purchasing regional.
Another object of the present invention is to provide an another kind to have the display device of peep-proof function.
So the present invention has the display device of peep-proof function, regional in order to show the use of a normal images to centered by the user, and comprise a display panel, a backlight module and a display control module, this display panel is in order to show image; The setting corresponding to this display panel of this backlight module, and comprise that one makes first light source and of the shown image of this display panel past this use zone projection to I haven't seen you for ages make the shown image of this display panel toward the secondary light source of this use zone zone projection in addition; This display control module receives this normal images and produces an interference images, and be electrically connected to this display panel, this display control module is this first light source of switch and this secondary light source alternately, and when opening this first light source, synchronously export this normal images to this display panel, and when opening this secondary light source, synchronously export this interference images to this display panel.
Preferably, this display panel is liquid crystal panel.
The present invention also provides a kind of display device with peep-proof function, and regional in order to show the use of a normal images to centered by the user, this display device comprises: a display panel, and this display panel is in order to show image; One backlight module, the setting corresponding to this display panel of this backlight module, and comprise that one makes first light source and of the shown image of this display panel past this use zone projection to I haven't seen you for ages make the shown image of this display panel toward the secondary light source of this use zone zone projection in addition; An and display control module, this display control module produces an interference images and receives this normal images, and be electrically connected to this display panel and this backlight module, this display control module is alternately exported this normal images and this interference images to this display panel, and when this normal images exports this display panel to, make this first light source open and this secondary light source is closed, and when this interference images exports this display panel to, make this secondary light source open and this first light source is closed.
Effect of the present invention is to utilize generation one interference images, and by above-mentioned method and device, reach to make and be positioned at the user who uses the zone and see that normal images but can't see interference images, use the onlooker in zone in addition, zone can see interference images and be positioned at, thereby the interference of the image that is interfered, produce by this effect of peep-proof.
Description of drawings
Fig. 1 is a schematic diagram, and the applied display device of the first preferred embodiment and the position relationship that uses zone and peep-proof zone of the method for display device peep-proof of the present invention is described;
Fig. 2 is a schematic diagram, and each member of this display device is described;
Fig. 3 is an architecture block diagram, and the hardware structure of this display device is described;
Fig. 4 is a process flow diagram, and the step of the first preferred embodiment of the method for display device peep-proof of the present invention is described;
Fig. 5 is a partial schematic diagram, illustrates that the pixel of the display panel of this display device is set as display pixel and disturbs pixel;
Fig. 6 is a partial schematic diagram, and the effect of the light path control assembly of this display device is described;
Fig. 7 is a partial schematic diagram, illustrates that the transmittance section of this light path control assembly and non-transmittance section change thereupon when this user's displacement;
Fig. 8 is a schematic diagram, and the applied display device of the second preferred embodiment of the method for display device peep-proof of the present invention is described;
Fig. 9 is an architecture block diagram, and the hardware structure of this display device is described;
Figure 10 is a partial schematic diagram, and the effect of the light path control assembly of this display device is described;
Figure 11 is a process flow diagram, and the step of the second preferred embodiment of the method for display device peep-proof of the present invention is described;
Figure 12 is a schematic diagram, and the applied display device of the 3rd preferred embodiment of the method for display device peep-proof of the present invention is described, and this display device is used the zone projection toward one;
Figure 13 is a schematic diagram, illustrates that this display device is toward this use zone zone projection in addition;
Figure 14 is an architecture block diagram, and the hardware structure of this display device is described; And
Figure 15 is a process flow diagram, and the step of the 3rd preferred embodiment of the method for display device peep-proof of the present invention is described.
The primary clustering symbol description:
1 display device 23 display panels
10 control module 231 display pixels
101 display control modules 232 disturb pixel
102 position adjusting type modules 24 storage unit
11 backlight module 25 light path control assemblies
111 light guide plate 250 second cylindrical portion
112 light source 251 first cylindrical portion
12 optical layers 3 display device
13 display panel 30 control modules
131 display pixel 301 display control modules
132 disturb pixel 31 backlight modules
14 storage unit 311 optical light guiding plates
15 light path control assembly 312 first light sources
151 transmittance section 313 secondary light sources
152 non-transmittance section 32 display panels
16 sensor 33 storage unit
2 display device 400 users
20 control modules 401 use the zone
201 display control module 402 peep-proofs are regional
21 backlight module 701~703 steps
211 light guide plate 801~802 steps
212 light source 901~902 steps
22 optical layers
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, in the detailed description of following cooperation with reference to three preferred embodiments of accompanying drawing, can clearly present.
Consult Fig. 4, Fig. 4 is the first preferred embodiment of the method for display device peep-proof of the present invention, and the method for the present embodiment is to be applied to a display device 1.Consult Fig. 1, Fig. 2 and Fig. 3, display device 1 comprises a control module 10, a backlight module 11, an optical layers 12, a display panel 13, a storage unit 14, a light path control assembly 15 and a sensor 16.As shown in Figure 2, on structure, backlight module 11, optical layers 12 and display panel 13 are from bottom to top sequentially stacked, control to adjust display panel 13 shown visual angle and light path control assembly 15 compartment of terrains are arranged at display panel 13 tops and controlled unit 10.Control module 10 control store unit 14 image outputs are to display panel 13, and connect sensor 16 and adjust light path control assembly 15 with the sensing result according to sensor 16.For convenient following explanation, the present embodiment define one centered by user 400 institute's corral one use zone 401, and use zone beyond zone 401 to claim peep-proof zone 402, and use zone 401 and peep-proof zone 402 to change along with user's 400 displacements.
Consult Fig. 1 and Fig. 3, sensor 16 uses zone 401 in order to the position of detecting user 400 to define, further illustrate, sensor 16 can be charge-coupled image sensor (Charge-Coupled Device, CCD) or CMOS image sensing component (CMOS Image Sensor, CIS), in order to taking user 400, and pass picture back control module 10.control module 10 comprises that one is electrically connected to the position adjusting type modules 102 of sensor 16 and light path control assembly 15, position adjusting type modules 102 can receive the captured picture of sensor 16, and utilize image processing mechanism to judge user 400 with respect to a relative position of display device 1 in captured picture, with the use zone 401 of confirming user 400, and as shown in the step 701 of Fig. 4 and consult Fig. 6, position adjusting type modules 102 is set the transmittance section 151 of light path control assembly 15 and the position of non-transmittance section 152 according to this relative position, and about the function of light path control assembly 15, repeat after please holding.In the present embodiment, control module 10 is microprocessor, and position adjusting type modules 102 can be realized by program software, but not as limit, also can be realized by electronic circuit.
Consult Fig. 3, control module 10 also comprises the display control module 101 of an electrical connection storage unit 14 and display panel 13, and in the present embodiment, display control module 101 also can be realized by program software or electronic circuit.display control module 101 can produce an interference images, and as shown in the step 702 of Fig. 4, display control module 101 is set as display pixel 131 with the wherein part of the pixel on display panel 13 (pixel), and another part wherein is set as interference pixel 132, and will be shown in these display pixels 131 from a normal images of watching for user 400 of storage unit 14, make these display pixels 131 show normal images, simultaneously, also the interference images that produces is shown in these and disturbs pixel 132, make these disturb pixel 132 to show interference images.Illustrate, the display control module 101 of the present embodiment is that the odd-numbered line pixel with display panel 13 is defined as display pixel 131, and the even number line pixel is defined as disturbs pixel 132, and namely the odd-numbered line pixel is in order to show normal images, the even number line pixel is in order to show interference images, as shown in Figure 5.Certainly, display pixel 131 also can be set as other arrangement modes with disturbing pixel 132, and for example: the lateral separation is arranged or is staggered etc.
Should be noted that, the light path control assembly 15 of the present embodiment is liquid crystal light valve (LC shutter), and as shown in Figure 6, light path control assembly 15 is formed with a plurality of transmittance sections 151 and a plurality of non-transmittance section 152, wherein, these bearing of trends that disturb pixel 132 and these non-transmittance section 152 both lines are namely this uses regional 401.As shown in the step 703 of Fig. 4, disturb the shown interference images of pixel 132 to be stopped by non-transmittance section 152 and can't invest and use zone 401, namely will disturb pixel 132 to be blocked toward the light path that uses zone 401 projections, do not use zone 401 so that interference images is not projected to, and transmittance section 151 can allow the shown normal images of display pixel 131 pass and invest and use zone 401.Thus, be positioned at and use 400 of the users in zone only to see normal images and can not see interference images, and the onlooker who is positioned at the peep-proof zone can see interference images and be interfered, therefore reach the effect of peep-proof.
moreover, consult Fig. 7, when position adjusting type modules 102 mat sensor 16 judgement users' position changes, position adjusting type modules 102 can be adjusted transmittance section 151 and non-transmittance section 152 with respect to the relative position of display device 1 according to the user equally, namely, transmittance section 151 is to adjust according to the position that sensor 16 detects the user with the position of non-transmittance section 152, make transmittance section 151 still can allow the shown normal images of display pixel 131 penetrate exactly and be projected to and use zone 401, can't be projected to but not transmittance section 152 still can will disturb the shown interference images of pixel 132 to cover and use zone 401, by this, no matter reaching the user all only can see normal images in what position and can not see interference images.And, due to the peep-proof zone 402 of disturbing the shown interference images of pixel 132 still to be projected to use beyond zone 401, thus still can the be interfered interference of image of 402 onlooker in the peep-proof zone, the effect of the peep-proof that exists.In addition, also can utilize ultrasound wave sensor or infrared sensor to detect the user position, to obtain user 400 with respect to the relative position of display device 1.
Supplementary notes be, storage unit 14 can store normal images and interference images simultaneously, so words, display control module 101 will make the stored normal images of storage unit 14 and interference images input respectively display pixel 131 and the interference pixel 132.In addition, light path control assembly 15 also can be parallax barrier plate (parallax barrier plate), it should be noted that, liquid crystal light valve formed transmittance section 151 and non-transmittance section 152 can controlled adjustment the position, parallax barrier plate can't be adjusted.
Consult Figure 11, be the second preferred embodiment of the method for display device peep-proof of the present invention, the method for the present embodiment is to be applied to a display device 2.Consult Fig. 8 and Fig. 9, display device 2 comprises a control module 20, a backlight module 21, an optical layers 22, a display panel 23, a storage unit 24, a light path control assembly 25, wherein, backlight module 21, optical layers 22, display panel 23, storage unit 24 are all identical with the backlight module 11 described in the first preferred embodiment, optical layers 12, display panel 13, storage unit 14.It should be noted that, light path control assembly 25 in the display device 2 of the present embodiment is nonadjustable, therefore being available for users to 400, display device 2 watch the use zone 401 of normal images to fix, that is the visual angle of display device 2 demonstration normal images is fixed, this visual angle i.e. the corresponding zone 401 of using, scope beyond this visual angle be peep-proof zone 402, the namely angular field of view of display device 2 demonstration interference images.
Under comparing, the difference of the second preferred embodiment and the first preferred embodiment is, in the method for the present embodiment, the control module 20 of applied display device 2 only comprises a display control module 201, in the present embodiment, control module 20 is microprocessor, and display control module 201 can be realized by program software or electronic circuit.As shown in the step 801 of Figure 11, display control module 201 is set as display pixel 231 in order to the part with the pixel of display panel 23, and another part is set as and disturbs pixel 232, as shown in figure 10.And the distribution of display pixel 231 and interference pixel 232 is as aforementioned display pixel shown in Figure 5 131 and interference pixel 132, illustrate, the display control module 201 of the present embodiment is that the odd-numbered line pixel with display panel 23 is set as display pixel 231, and the even number line pixel is set as disturbs pixel 232.
Consult Figure 10, light path control assembly 25 in the present embodiment is lens pillar (lenticular lens), and be formed with a plurality of the second cylindrical portion 250 corresponding to each display pixel 231, and a plurality of the first cylindrical portion 251 corresponding to each interference pixel 232.as shown in the step 802 of Figure 11 and consult Figure 10, the second cylindrical portion 250 is projected in order to the light that allows display pixel 231 send and uses zone 401, and the first cylindrical portion 251 use are projected to peep-proof zone 402 so that disturb light that pixel 232 is sent to produce deviation, namely utilize the optical texture of light path control assembly 25 will disturb pixel 232 toward the deflection of light that uses zone 401 projections, so that interference images is projected to peep-proof zone 402, so, be positioned at and use the user 400 in zone 401 only to see normal images, the onlooker who is positioned at the peep-proof zone sees interference images and is interfered, therefore reach the effect of peep-proof.
Consult Figure 15, be the 3rd preferred embodiment of the method for display device peep-proof of the present invention, the method for the present embodiment is to be applied to a display device 3.Consult Figure 12 and Figure 14, display device 3 comprises a control module 30, a backlight module 31, a display panel 32 and a storage unit 33, and wherein, storage unit 33 is identical with the storage unit 14 described in the first preferred embodiment, no longer adds to give unnecessary details.
Consult Figure 14, control module 30 comprises that one is electrically connected to the display control module 301 of storage unit 33 and display panel 32, and in the present embodiment, control module 30 is microprocessor, and display control module 301 can be realized by program software or electronic circuit.As shown in the step 901 of Figure 15, display control module 301 is in order to produce an interference images, and alternately with the normal images in storage unit 33 and the interference images input display panel 32 that produces, and, as shown in the step 902 of Figure 15, display control module 301 makes backlight module 31 open the first light source 312 and close secondary light source 313 in the input normal images, make the outwards normal projection of normal images of display panel 32, as shown in figure 12; Display control module 301 is in the input interference images, make backlight module 31 open secondary light source 313 and close the first light source 312, make the interference images of display panel 32 toward peep-proof zone 402 projections, as shown in figure 13, so, be projected to peep-proof zone 402 by interference images, make the onlooker who is positioned at peep-proof zone 402 see interference images and be interfered, therefore can reach the effect of peep-proof.
In sum, the method of display device peep-proof of the present invention utilizes display device 1,2,3 to produce an interference images, and by above-mentioned step and member, reach to make and be positioned at the user 400 who uses zone 401 and see that normal images but can't see interference images, and the onlooker who is positioned at peep-proof zone 402 can see interference images, thereby the interference of the image that is interfered, produce by this effect of peep-proof, therefore really can reach purpose of the present invention.
The above person of thought, it is only preferred embodiment of the present invention, can not limit scope of the invention process with this, namely the every scope of claims and simple equivalent variations and modification that the description of the invention content is done according to the present invention, all still remain within the scope of the patent.
Claims (11)
1. display device with peep-proof function, in order to show the use zone of a normal images to centered by the user, this display device comprises:
One display panel, this display panel comprise a plurality of pixels in order to show image;
One display control module, this display control module produces an interference images and receives this normal images, and be electrically connected to this display panel, the partial pixel in this display panel being set as the display pixel that shows this normal images, and make another part pixel in this display panel be set as the interference pixel that shows this interference images; And
One light path control assembly, this light path control assembly and the corresponding setting of these pixels of this display panel, the light path of disturbing pixel to control these makes these light that disturb pixel towards this zone in addition, use zone;
Wherein, these show the pixel of this normal images and these pixels that shows this interference images vertically to be spaced, the lateral separation arranges or is staggered.
2. the display device with peep-proof function according to claim 1, wherein, this light path control assembly is a lens pillar that is arranged on this display panel, this lens pillar is formed with a plurality of positions and disturbs the first cylindrical portion of pixel corresponding to these, and a plurality of positions are corresponding to the second cylindrical portion of these display pixels, these first cylindrical portion make the light deflection that this interference pixel sends and are projected to zone beyond this use zone, and it is regional that the light that these second cylindrical portion are sent this display pixel is projected to this uses.
3. the display device with peep-proof function according to claim 1, wherein, this light path control assembly can be the compartment of terrain and is arranged at a liquid crystal light valve on this display panel, this liquid crystal light valve is formed with a plurality of transmittance sections and a plurality of non-transmittance section, these transmittance sections make light that this display pixel sends directly by investing this use zone, and the light that this interferences pixel sends is covered in these non-transmittance sections makes this use of its unlikely trend of purchasing regional.
4. the display device with peep-proof function according to claim 1, wherein, this light path control assembly can be the compartment of terrain and is arranged at a parallax barrier plate on this display panel, this parallax barrier plate is formed with a plurality of transmittance sections and a plurality of non-transmittance section, these transmittance sections make light that this display pixel sends directly by investing this use zone, and the light that this interferences pixel sends is covered in these non-transmittance sections makes this use of its unlikely trend of purchasing regional.
5. the display device with peep-proof function according to claim 3 also comprises:
One sensor, this sensor is in order to detect this user's position;
One position adjusting type modules, this this sensor of position adjusting type modules mat is judged this user with respect to a relative position of this display device, and adjust this transmittance section of this liquid crystal light valve and the position of this non-transmittance section according to this relative position, make these transmittance sections make light that this display pixel sends directly by investing this use zone, and make these non-transmittance sections cover the light that this interferences pixel sends and this use of unlikely trend of purchasing is regional.
6. the method for a display device peep-proof, be applied to a display device, and this display device is regional in order to show the use of a normal images to centered by the user, and the method comprises:
Produce an interference images;
A display panel in this display device shows a normal images and an interference images; And
This interference images is projected to this zone in addition, use zone;
Wherein, this display panel of this display device shows this normal images and this interference images, is to be set as by the part in a plurality of pixels of this display panel being set as the display pixel and the part that show this normal images the interference pixel that shows this interference images; This interference images is projected to zone beyond this use zone, is to utilize a light path control assembly to make these disturb the unlikely throwing of light that pixels send toward this uses zone, makes the onlooker who is positioned at this uses regional zone in addition watch this interference images; These show the pixel of this normal images and these pixels that shows this interference images vertically to be spaced, the lateral separation arranges or is staggered.
7. the method for display device peep-proof according to claim 6, wherein, this light path control assembly is in order to disturb these pixel to use the light path blocking-up of regional projection toward this, so that this interference images is not projected to this use zone and is projected to this zone in addition, use zone.
8. the method for display device peep-proof according to claim 6, wherein, this light path control assembly is in order to disturb pixels to use the deflection of light of zone projection toward this these, so that this interference images is projected to this zone in addition, uses zone.
9. the method for display device peep-proof according to claim 7, wherein, this light path control assembly is formed with a plurality of transmittance sections and a plurality of non-transmittance section, and these bearing of trends that disturb pixel and these non-transmittance section lines are namely that this use is regional, these transmittance sections use the light that sends for these display pixels to pass through, and these non-transmittance sections are used for these light that disturbs pixel to send and do not passed through.
10. the method for display device peep-proof according to claim 9, wherein, these transmittance sections of this light path control assembly and the position of these non-transmittance sections are that the position that the sensor according to this display device detects this user is adjusted.
11. the method for display device peep-proof according to claim 10, wherein, detect this user by this sensor, judging this user with respect to a relative position of this display device, and adjust these transmittance sections of this light path control assembly and the position of these non-transmittance sections according to this relative position.
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