CN102222492A - Anti-peep method and device of display device - Google Patents

Anti-peep method and device of display device Download PDF

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Publication number
CN102222492A
CN102222492A CN2010101453848A CN201010145384A CN102222492A CN 102222492 A CN102222492 A CN 102222492A CN 2010101453848 A CN2010101453848 A CN 2010101453848A CN 201010145384 A CN201010145384 A CN 201010145384A CN 102222492 A CN102222492 A CN 102222492A
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zone
display device
display
display panel
pixel
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CN102222492B (en
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张耀宗
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Wistron Corp
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Wistron Corp
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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

The method of display device peep-proof and device thereof
Technical field
The present invention relates to a kind of method and device thereof of display device peep-proof, be meant that especially a kind of display device utilizes the 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 or the like, and when using display device, how to prevent that the data that are shown in display device from not spied on by the onlooker, then 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 the 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 the image, and image is all can't see in other zones.Yet, whether also have additive method can make display device have the peep-proof function, will be worth further inquiring into and research.
Summary of the invention
Therefore, purpose of the present invention is promptly in the method that a kind of 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 in order to show that a normal images to is the use zone at center with user, and this method comprises: produce an interference images; Display panel in this display device shows a normal images and an interference images; And this interference images is projected to zone beyond this use zone.
Preferably, this display panel of this display device shows this normal images and this interference images, is wherein partly to be set at the display pixel and the part that show this normal images by a plurality of pixels with this display panel to be set at the interference pixel that shows this interference images; This interference images is projected to this zone in addition, use zone, is past this use zone of the unlikely throwing of light that utilizes a light path control assembly that these interference pixels are sent, and makes the onlooker who is positioned at the regional zone in addition of this use watch this interference images.
This light path control assembly wherein is in order to these are disturbed the light path blocking-up of pixel toward 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 specify, 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 promptly are this use zones, 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, just, detect this user by this sensor, judging the relative position of this user, and adjust these transmittance sections and these non-transmittance sections of this light path control assembly according to this relative position with respect to this display device.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 the deflection of light that throws toward this use zone in order to 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, be by making this display panel when showing this normal images, this normal images is projected to this use zone, 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 specify, this normal images is projected to this use zone and this interference images is projected to this zone in addition, use zone, is to utilize a backlight module of this display device that one first light source of the regional projection of past this use to I haven't seen you for ages and a secondary light source that throws toward the regional zone in addition of this use are provided.
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, in order to show that a normal images to is the use zone at center with 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 with this display panel, the partial pixel in this display panel being set at the display pixel that shows this normal images, and make another part pixel in this display panel be set at the interference pixel that shows this interference images; This light path control assembly and the corresponding setting of these pixels of this display panel to control the light path that these disturb pixel, make the zone of these light that disturb pixel beyond this use zone.
Preferably, these show the pixel of this normal images and these pixels that shows this interference images directly to be spaced, arrange the lateral separation or be 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 first cylindrical portion of pixel corresponding to these, and a plurality of positions are corresponding to 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 sent 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 the relative position of this user with respect to 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, 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 directly by investing this use zone.
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 sent 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, be the use zone at center with user in order to show a normal images to, and comprise a display panel, a backlight module and a display control module that this display panel is in order to show image; The corresponding setting of this backlight module with this display panel, 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 secondary light source of the shown image of this display panel toward the zone projection in addition of this use zone; This display control module receives this normal images and produces an interference images, and be electrically connected with 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, export this normal images to this display panel synchronously, and when opening this secondary light source, export this interference images to this display panel synchronously.
Preferably, this display panel is a liquid crystal panel.
The present invention also provides a kind of display device with peep-proof function, is the use zone at center with user in order to show a normal images to, and this display device comprises: a display panel, and this display panel is in order to show image; One backlight module, the corresponding setting of this backlight module with this display panel, 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 secondary light source of the shown image of this display panel toward the zone projection in addition of this use zone; An and display control module, this display control module produces an interference images and receives this normal images, and be electrically connected 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 the effect of peep-proof by this.
Description of drawings
Fig. 1 is a synoptic diagram, and the applied display device of first preferred embodiment and the position relation of using zone and peep-proof zone of the method for display device peep-proof of the present invention is described;
Fig. 2 is a synoptic 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 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 at 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 synoptic diagram, and the applied display device of 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 second preferred embodiment of the method for display device peep-proof of the present invention is described;
Figure 12 is a synoptic 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 synoptic diagram, illustrates that this display device is toward the zone projection in addition of this use zone;
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 modules, 231 display pixels
101 display control modules 232 disturb pixel
102 position adjusting type modules, 24 storage unit
11 backlight modules, 25 light path control assemblies
111 light guide plate, 250 second cylindrical portion
112 light sources, 251 first cylindrical portion
12 optical layers, 3 display device
13 display panels, 30 control modules
131 display pixels, 301 display control modules
132 disturb pixel 31 backlight modules
14 storage unit, 311 optics light guide plate
15 light path control assemblies, 312 first light sources
151 transmittance sections, 313 secondary light sources
152 non-transmittance sections, 32 display panels
16 sensors, 33 storage unit
2 display device, 400 users
20 control modules 401 use the zone
201 display control modules, 402 peep-proof zones
21 backlight modules, 701~703 steps
211 light guide plate, 801~802 steps
212 light sources, 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 three preferred embodiments with reference to the accompanying drawings, can clearly present.
Consult Fig. 4, Fig. 4 is first preferred embodiment of the method for display device peep-proof of the present invention, and the method for 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, backlight module 11, optical layers 12 and display panel 13 are from bottom to top stacked in regular turn on the structure, and light path control assembly 15 compartment of terrains are arranged at 10 controls of display panel 13 tops and controlled unit to adjust the shown visual angle of display panel 13.Control module 10 control store unit 14 image outputs are to display panel 13, and connection sensor 16 is adjusted light path control assembly 15 with the sensing result according to sensor 16.Following explanation for convenience, it is that one of center institute corral uses zone 401 with user 400 that present embodiment defines one, and use the zone beyond the 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.
Backlight module 11 has the light source 112 that a light guide plate 111 and two is arranged at light guide plate 111 two opposite sides, and in the present embodiment, light source 112 is a cold cathode fluorescent lamp, it should be noted that, backlight module 11 does not exceed for example with the present invention, also can be the backlight module of other kinds, as LED-backlit module etc.Optical layers 12 is arranged on the backlight module 11, its can be brightness enhancement film, rhombus lens, diffusion sheet etc. one of them, quantitatively can also be plural number, or even omit optical layers (film) 12 and also can.
Display panel 13 is arranged on the optical layers 12 and comprises a plurality of pixels, and in the present embodiment, display panel 13 is a liquid crystal panel, but also can be the plasma panel that omits backlight module 11 or organic electroluminescence display panel etc.Storage unit 14 stores or temporary normal images of watching for user 400, and provides control module 10 required storage space, and in the present embodiment, storage unit 14 can be dynamic RAM (DRAM).
Consult Fig. 1 and Fig. 3, sensor 16 uses zone 401 in order to the position of detecting user 400 to define, further specify, 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 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 the relative position of user 400 the captured picture with respect to display device 1, to confirm user 400 use zone 401, and 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, repeat after please holding about the function of light path control assembly 15.In the present embodiment, control module 10 is a 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 shown in the step 702 of Fig. 4, display control module 101 is set at display pixel 131 with the wherein part of the pixel on the display panel 13 (pixel), and the another part of inciting somebody to action wherein is set at interference pixel 132, and will be shown in these display pixels 131 from a normal images of watching of storage unit 14 for user 400, 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.Specify, the display control module 101 of 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 just 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 at other arrangement modes with disturbing pixel 132, and for example: the lateral separation is arranged or is staggered or the like.
Mandatory declaration be, the light path control assembly 15 of 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 promptly are this use zones 401.Shown in the step 703 of Fig. 4, interference pixel 132 shown interference images will be stopped by non-transmittance section 152 and can't invest and use zone 401, just 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 display pixel 131 shown normal images 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, so reach the effect of peep-proof.
Moreover, consult Fig. 7, when position adjusting type modules 102 mat sensors 16 are judged user's position change, 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, just, 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 display pixel 131 shown normal images penetrate exactly and be projected to and use zone 401, but not transmittance section 152 still can be disturbed pixel 132 shown interference images to cover and can't be projected to use zone 401, by this, what position all only can see normal images in and can not see interference images no matter reach the user.And, use peep-proof zone 402 in addition, zone 401, the interference of image so the onlooker in peep-proof zone 402 then still can be interfered, the effect of the peep-proof that exists owing to disturb pixel 132 shown interference images still to be projected to.In addition, also can utilize ultrasound wave sensor or infrared sensor to detect the user position, to obtain the relative position of user 400 with respect to display device 1.
Supplementary notes be, storage unit 14 can store normal images and interference images simultaneously, words so, display control module 101 will make stored normal images of storage unit 14 and interference images import display pixel 131 and interference pixel 132 respectively.In addition, light path control assembly 15 also can be parallax barrier plate (parallax barrier plate), it should be noted that, the formed transmittance section of liquid crystal light valve 151 and non-transmittance section 152 can controlled adjustment positions, and parallax barrier plate then can't be adjusted.
Consult Figure 11, be second preferred embodiment of the method for display device peep-proof of the present invention, the method for 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 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 present embodiment is nonadjustable, so display device 2 is available for users to 400 and watches the use zone 401 of normal images to fix, that is the visual angle of display device 2 demonstration normal images is fixed, the promptly corresponding zone 401 of using, this visual angle, scope beyond this visual angle then is peep-proof zone 402, and just display device 2 shows the angular field of view of interference images.
Under comparing, the difference of second preferred embodiment and first preferred embodiment is, the control module 20 of applied display device 2 only comprises a display control module 201 in the method for present embodiment, in the present embodiment, control module 20 is a microprocessor, and display control module 201 can be realized by program software or electronic circuit.Shown in the step 801 of Figure 11, display control module 201 is set at display pixel 231 in order to the part with the pixel of display panel 23, and another part is set at 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, specify, the display control module 201 of present embodiment is that the odd-numbered line pixel with display panel 23 is set at display pixel 231, and the even number line pixel is set at disturbs pixel 232.
Consult Figure 10, light path control assembly 25 in the present embodiment is lens pillar (lenticular lens), and is formed with a plurality of second cylindrical portion 250 corresponding to each display pixel 231, and a plurality of first cylindrical portion 251 corresponding to each interference pixel 232.Shown in the step 802 of Figure 11 and consult Figure 10, second cylindrical portion 250 is projected in order to the light that allows display pixel 231 send and uses zone 401, and first cylindrical portion, 251 usefulness so that the light that disturbs pixel 232 to send produce deviation and be projected to peep-proof zone 402, just 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 then sees interference images and is interfered, and therefore reaches 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 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 first preferred embodiment, then no longer adds to give unnecessary details.
Display panel 32 is in order to show image, and in the present embodiment, display panel 32 is a liquid crystal panel.Backlight module 31 and display panel corresponding stackedly setting about in the of 32, to provide display panel 32 required display light source, the backlight module 31 of present embodiment is the directivity backlight module, and comprise that first light source 312 and that an optics light guide plate 311, is arranged at optics light guide plate 311 1 sides is arranged at the secondary light source 313 of optics light guide plate 311 opposite sides, and about the correlation technique content of directivity backlight module, can be with reference to No. 1312833 disclosed content of TaiWan, China patent, so do not add to give unnecessary details at this.Therefore,, make when opening first light source 312 and closing secondary light source that as shown in figure 12, light can outwards normally throw by the design of optics light guide plate 311; When opening secondary light source 313 and closing first light source 312, as shown in figure 13, light can be toward 402 projections of peep-proof zone.
Consult Figure 14, control module 30 comprises that one is electrically connected the display control module 301 of storage unit 33 and display panel 32, and in the present embodiment, control module 30 is a microprocessor, and display control module 301 can be realized by program software or electronic circuit.Shown in the step 901 of Figure 15, display control module 301 is in order to produce an interference images, and alternately with normal images in the storage unit 33 and the interference images input display panel 32 that is produced, and, shown in the step 902 of Figure 15, display control module 301 makes backlight module 31 open 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 first light source 312, the interference images that makes display panel 32 is toward 402 projections of peep-proof zone, as shown in figure 13, so, be projected to peep-proof zone 402 by interference images, the feasible onlooker who is positioned at peep-proof zone 402 sees interference images and is interfered, so 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 the effect of peep-proof by this, so can reach purpose of the present invention really.
The above person of thought, it only is preferred embodiment of the present invention, can not limit scope of the invention process with this, the promptly 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 belongs in the scope that patent of the present invention contains.

Claims (17)

1. the display device with peep-proof function is the use zone at center with user in order to show a normal images to, and 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 with this display panel, the partial pixel in this display panel being set at the display pixel that shows this normal images, and make another part pixel in this display panel be set at 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 to control the light path that these disturb pixel, make the zone of these light that disturb pixel beyond this use zone.
2. the display device with peep-proof function according to claim 1, wherein, these show the pixel of this normal images and these pixels that shows this interference images directly to be spaced, arrange the lateral separation or be staggered.
3. the display device with peep-proof function according to claim 2, 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 first cylindrical portion of pixel corresponding to these, and a plurality of positions are corresponding to 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.
4. the display device with peep-proof function according to claim 2, 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 sent 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 2, 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 sent is covered in these non-transmittance sections makes this use of its unlikely trend of purchasing regional.
6. the display device with peep-proof function according to claim 4 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 the relative position of this user with respect to 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, and make these non-transmittance sections cover the light that this interferences pixel sends and this use of unlikely trend of purchasing is regional directly by investing this use zone.
7. the display device with peep-proof function is the use zone at center with user in order to show a normal images to, and this display device comprises:
One display panel, this display panel is in order to show image;
One backlight module, the corresponding setting of this backlight module with this display panel, 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 secondary light source of the shown image of this display panel toward the zone projection in addition of this use zone; And
One display control module, this display control module produces an interference images and receives this normal images, and be electrically connected 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.
8. the display device with peep-proof function according to claim 7, wherein, this display panel is a liquid crystal panel.
9. the method for a display device peep-proof is applied to a display device, and this display device is in order to show that a normal images to is the use zone at center with user, and this method comprises:
Produce an interference images;
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.
10. the method for display device peep-proof according to claim 9, wherein, this display panel of this display device shows this normal images and this interference images, is to be set at the interference pixel that shows this interference images by the part in a plurality of pixels of this display panel being set at the display pixel and the part that show this normal images; This interference images is projected to this zone in addition, use zone, is past this use zone of the unlikely throwing of light that utilizes a light path control assembly that these interference pixels are sent, and makes the onlooker who is positioned at the regional zone in addition of this use watch this interference images.
11. the method for display device peep-proof according to claim 10, wherein, this light path control assembly uses the light path blocking-up of regional projection in order to these are disturbed pixel toward this, so that this interference images is not projected to this use zone and is projected to this zone in addition, use zone.
12. the method for display device peep-proof according to claim 10, wherein, this light path control assembly uses the deflection of light of zone projection in order to these are disturbed past this of pixel, so that this interference images is projected to this zone in addition, use zone.
13. the method for display device peep-proof according to claim 11, 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 promptly are this use zones, 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.
14. the method for display device peep-proof according to claim 13, 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.
15. the method for display device peep-proof according to claim 14, wherein, detect this user by this sensor, judging the relative position of this user, and adjust these transmittance sections of this light path control assembly and the position of these non-transmittance sections according to this relative position with respect to this display device.
16. the method for display device peep-proof according to claim 9, wherein, this display panel of this display device shows this normal images and this interference images, is by making this display panel alternately show a normal images and an interference images; This interference images is projected to this zone in addition, use zone, be by making this display panel when showing this normal images, this normal images is projected to this use zone, 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.
17. the method for display device peep-proof according to claim 16, wherein, be to utilize a backlight module of this display device to provide, make this normal images be projected to regional and this interference images of this uses and be projected to the regional zone in addition of this use to I haven't seen you for ages toward a secondary light source of one first light source of this uses zone projection and zone projection beyond this uses zone.
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