CN103698958A - Information secrecy screen and secrecy glasses - Google Patents
Information secrecy screen and secrecy glasses Download PDFInfo
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- CN103698958A CN103698958A CN201310723034.9A CN201310723034A CN103698958A CN 103698958 A CN103698958 A CN 103698958A CN 201310723034 A CN201310723034 A CN 201310723034A CN 103698958 A CN103698958 A CN 103698958A
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Abstract
The invention provides an information secrecy screen and secrecy glasses, which relate to the technical field of display, and achieve the purpose that secret information is displayed and cannot be acquired by strangers during the normal display of a display screen. The information secrecy screen comprises a first scanning cycle and a second scanning cycle, wherein the first scanning cycle is used for displaying a first image, the second scanning cycle is used for displaying an image with a specific wavelength, and the first scanning cycle and the second scanning cycle are less than 20 ms.
Description
Technical field
The present invention relates to display technique field, relate in particular to a kind of information privacy screen and secret glasses.
Background technology
Display screen is a kind of show tools that incides human eye on screen that certain e-file is shown to by specific transmission equipment.Existing display screen is mainly used in showing image, and is widely used.But when in the situation that the informational needs showing is secret, in the situation that user must nigh people leaves, could obtain alone security information.Owing to needing the recessive security information of transmitting for some, this method is too obvious.Person obtains alone the new problem that security information is the transmission of solution security information in display screen display frame how to make information acquisition.
Summary of the invention
Embodiments of the invention provide a kind of information privacy screen and secret glasses, by described information privacy screen protection confidential information winner, can be shown in image situation and obtain security information by secret glasses at display screen.
For achieving the above object, embodiments of the invention adopt following technical scheme:
The embodiment of the present invention provides a kind of information privacy screen, comprise the first scan period and the second scan period, described the first scan period is used for showing the first image, and described the second scan period is for showing the image of specific wavelength, and described the first scan period and the second scan period are less than 20ms.
Optionally, described information privacy screen is liquid crystal display.
Optionally, described information privacy screen comprises backlight, described backlight comprises the first luminescence unit and the second luminescence unit, described the second luminescence unit sends the light of specific wavelength, the first luminescence unit at backlight described in described the first scan period is lighted, and at the second luminescence unit of backlight described in described the second scan period, lights.
Optionally, described the second luminescence unit is tunable luminescence unit.
Optionally, described the first luminescence unit is tunable luminescence unit.
Optionally, described tunable luminescence unit is tunable laser.
Optionally, described information privacy screen also comprised for the 3rd scan period, for showing interfere information.
The embodiment of the present invention provides a kind of secret glasses, and described glasses are tunable filter goggle, for filtering the light of different specific wavelengths.
Optionally, described glasses comprise: eyeglass and tunable narrow-band optical filter.
Optionally, described tunable narrow-band optical filter comprises successively: the first transparency conducting layer, grating layer, polymer dispersed layer and the second transparency conducting layer.
A kind of information privacy screen and secret glasses that the embodiment of the present invention provides, display screen shows the first image in the first scan period, the image that shows specific wavelength in the second scan period, owing to there being the interference of the first image, the people that the image with specific wavelength is only worn the filter goggle of corresponding specific wavelength can obtain second image information with specific wavelength, with this, realizes the transmission of security information.
Accompanying drawing explanation
The display cycle schematic diagram that Fig. 1 shields for a kind of information privacy that the embodiment of the present invention provides;
The luminous schematic diagram of a kind of backlight that Fig. 2 provides for the embodiment of the present invention;
The luminous schematic diagram of another kind of backlight that Fig. 3 provides for the embodiment of the present invention.
Reference numeral:
R1-ruddiness 1; R2-ruddiness 2; R3-ruddiness 3; R4-ruddiness 4; G-green glow; B-blue light; W-white light.
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 clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.
The embodiment of the present invention provides a kind of information privacy screen, described information privacy screen comprises the first scan period and the second scan period, described the first scan period is used for showing the first image, described the second scan period is for showing the image of specific wavelength, and described the first scan period and described the second scan period are less than 20ms.
It should be noted that, described information privacy screen is display screen.Existing display screen can be that LCDs can also be self light emitting display panel, and the embodiment of the present invention be take described information privacy screen and is elaborated as liquid crystal display as example.Wherein, LCDs comprises many grid lines and data line, wherein by grid driving circuit, to grid line, provides sweep signal, and data drive circuit provides data-signal to data line.A scan period described in the embodiment of the present invention is the time that grid line completes single pass.Described display is used for showing the first image in the first scan period, and wherein said the first image can be the normal image showing of display screen, and each who object of watching all can obtain; At display screen described in described the second scan period, for showing the image of specific wavelength, the wherein said image with specific wavelength can be security information etc., and it only has specific who object to obtain.Certainly, described the second image can also be other frames, the embodiment of the present invention take described the second image as security information be example, and only wear the people who filters corresponding specific wavelength glasses and can obtain security information.
Described the first scan period and the second scan period are less than 20ms.As shown in Figure 1, t1 and t2 are less than 20ms.Concrete, because security information shows that with normal image is Alternation Display, only have when the time of t1 and t2 enough short, human eye is just not enough to differentiate two groups of contents, only have first scan period of working as and the second scan period to be less than 20ms, at the first image of the first scan period demonstration and the second image human eye of the second scan period demonstration, cannot differentiate, the people that described the second image is only worn filtration respective wavelength glasses can obtain security information.It should be noted that, now, due to the first image and the overlapping demonstration of the second image, display cannot normally show the first image and the second image, and the first image is the interfering picture of the second image.
The embodiment of the present invention provides a kind of information privacy screen, display screen shows the first image in the first scan period, the image that shows specific wavelength in the second scan period, owing to there being the interference of the first image, the image with specific wavelength only has specific personage can obtain the image information with specific wavelength by wearing filter goggle when showing the first image, with this, realizes the transmission of security information.
Optionally, described information privacy screen comprises backlight, described backlight comprises the first luminescence unit and the second luminescence unit, described the second luminescence unit sends the light of specific wavelength, the first luminescence unit at backlight described in described the first scan period is lighted, and at the second luminescence unit of backlight described in described the second scan period, lights.
It should be noted that, existing LCDs comprise array base palte, color membrane substrates, backlight and be arranged on array base palte and color membrane substrates between liquid crystal, wherein backlight is used for providing backlight, and array base palte and color membrane substrates form electric field to drive liquid crystal to show.On color membrane substrates, be provided with colored film layer, it at least comprises the pixel cell of three kinds of primary colours of red, green, blue, and the light that the pixel cell of the light that backlight sends by different base colors filters different wave length is to show different colors.In described the second scan period, described the second luminescence unit is lighted, for sending the light with specific wavelength, described in there is specific wavelength light by colored film layer display, show specific color.
As shown in Figure 2, white light is the normal light showing of display screen, and the light of described specific wavelength can be corresponding ruddiness 2.In the first scan period, at t1 as shown in Figure 1 in the time period, described the first luminescence unit (can be LED) is lighted, and backlight shows white light (W), and display screen normally shows the first image; In the second scan period, at t2 as shown in Figure 1 in the time period, described the second luminescence unit is lighted, and display screen shows the second image being formed by ruddiness 2 (R2)., because the wavelength of ruddiness 2 is indefinite, the talent who only wears the special spectacles of the ruddiness 2 that can filter can obtain the second image, thereby reaches the object that transmits security information.
Optionally, described the second luminescence unit is tunable luminescence unit.By tuning described the second luminescence unit, can send the light of different specific wavelengths, security information can show by the light of different wave length, can further strengthen the confidentiality of information.Certainly, described the second luminescence unit can also be untunable luminescence unit, and the specific wavelength of the light that described the second luminescence unit sends can not change, and wavelength corresponding to security information is certain.
Further preferred, described the first luminescence unit is tunable luminescence unit.Described backlight passes through the light of tuning different wave length in the first scan period and the second scan period.And further, tunable luminescence unit can be tunable laser, and it can send out the light of different wave length as required, can show security information by the light display of different wave length, and then can strengthen the confidentiality of information.
It should be noted that, laser backlight comprise blue light, green glow and three kinds of primary colours of ruddiness LASER Light Source, close photosystem and some line source converting system, wherein, red, green, blue tricolor laser light source ECDC photosystem synthesizes a branch of standard white light, standard white light converts line source or the column source with certain length to through a line source converting system, be then imported into and in light guide plate, become uniform backlight.
Described the first luminescence unit is tunable luminescence unit, and described the first luminescence unit also can send the light of different wave length, and described the first luminescence unit can be also the luminescence unit of security information.Be that security information can also be green glow or blue light, and then can strengthen the confidentiality of information.
As shown in Figure 3, tunable laser can blue light-emitting (B), green glow (G) and ruddiness 1 (R1) etc., and it is that display screen is realized the normal light showing.The described light with specific wavelength can be corresponding ruddiness 2 (R2), ruddiness 3 (R3) or ruddiness 4 (R4).Take described security information as ruddiness 2 be example, in the first scan period, at t1 as shown in Figure 1 in the time period, the first image that described laser instrument blue light-emitting (B), green glow (G) and ruddiness 1 (R1) form; In the second scan period, at t2 as shown in Figure 1 in the time period, the light of the wavelength of the corresponding ruddiness 2 (R2) that described laser instrument sends, display screen shows the second image being formed by ruddiness 2.Certainly, the light wavelength that tunable laser was sent in the second scan period can also be corresponding ruddiness 3 or ruddiness 4.The light wavelength of the security information of sending due to the second scan period is indefinite, and the talent who only wears the special spectacles of the corresponding wavelength that can filter can obtain the second image, thereby reaches the object that transmits security information.
Optionally, described information privacy screen also comprised for the 3rd scan period, for showing interfere information.For example described the second scan period is used for showing security information, and as shown in Figure 2, its security information in the second scan period corresponds to ruddiness 2, and in the 3rd scan period, display can show the interfere information of the demonstration image of ruddiness 3 correspondences.
It should be noted that, described information privacy screen can be also self light emitting display panel, and described luminescence unit can be tunable luminescence unit, and it can send in the different scan periods light of different wave length, to realize the demonstration of the first image and security information.
The embodiment of the present invention provides a kind of secret glasses, and described glasses are tunable filter goggle, for filtering the light of different specific wavelengths.Described tunable filter goggle can be selected the light wavelength filtering as required, and then can, by regulating glasses, receive the light of different wave length.The light of described specific wavelength can be the wavelength that shows the second scan period that the embodiment of the present invention provides image.
Optionally, described glasses comprise: eyeglass and tunable narrow-band optical filter.Be the adjusting that the logical tunable narrow-band optical filter of described tunable filter goggle is realized the light of different wave length, so that described glasses can regulate the light that receives different wave length.
Optionally, described tunable narrow-band optical filter comprises successively: the first transparency conducting layer, grating layer, polymer dispersed layer and the second transparency conducting layer.By apply different voltage to transparency conducting layer, can change the refractive index of prepolymer dispersion layer, thereby the wavelength of change optical filter reaches the function of tunable optical filter.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. an information privacy is shielded, it is characterized in that, comprise the first scan period and the second scan period, described the first scan period is used for showing the first image, described the second scan period is for showing the image of specific wavelength, and described the first scan period and the second scan period are less than 20ms.
2. information privacy screen according to claim 1, is characterized in that, described information privacy screen is liquid crystal display.
3. information privacy according to claim 2 is shielded, it is characterized in that, described information privacy screen comprises backlight, described backlight comprises the first luminescence unit and the second luminescence unit, described the second luminescence unit sends the light of specific wavelength, the first luminescence unit at backlight described in described the first scan period is lighted, and at the second luminescence unit of backlight described in described the second scan period, lights.
4. information privacy screen according to claim 3, is characterized in that, described the second luminescence unit is tunable luminescence unit.
5. information privacy screen according to claim 4, is characterized in that, described the first luminescence unit is tunable luminescence unit.
6. according to the information privacy screen described in claim 4 or 5, it is characterized in that, described tunable luminescence unit is tunable laser.
7. information privacy screen according to claim 1, is characterized in that, described information privacy screen also comprised for the 3rd scan period, for showing interfere information.
8. secret glasses, is characterized in that, described glasses are tunable filter goggle, for filtering the light of different specific wavelengths.
9. secret glasses according to claim 8, is characterized in that, described glasses comprise: eyeglass and tunable narrow-band optical filter.
10. secret glasses according to claim 9, is characterized in that, described tunable narrow-band optical filter comprises successively: the first transparency conducting layer, grating layer, polymer dispersed layer and the second transparency conducting layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310723034.9A CN103698958B (en) | 2013-12-24 | 2013-12-24 | A kind of information secrecy screen and secrecy glasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310723034.9A CN103698958B (en) | 2013-12-24 | 2013-12-24 | A kind of information secrecy screen and secrecy glasses |
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| Publication Number | Publication Date |
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| CN103698958A true CN103698958A (en) | 2014-04-02 |
| CN103698958B CN103698958B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310723034.9A Expired - Fee Related CN103698958B (en) | 2013-12-24 | 2013-12-24 | A kind of information secrecy screen and secrecy glasses |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105976750A (en) * | 2016-07-19 | 2016-09-28 | 京东方科技集团股份有限公司 | Display control method and device and display device |
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| CN1445712A (en) * | 2002-12-10 | 2003-10-01 | 中国科学技术大学 | Method for coding and decoding high capacity information and its device |
| US20060146405A1 (en) * | 2005-01-06 | 2006-07-06 | Macmaster Steven W | Privacy screen for a display |
| US20100230615A1 (en) * | 2009-02-27 | 2010-09-16 | Charles Douglas Macpherson | Security device |
| CN102947742A (en) * | 2010-04-22 | 2013-02-27 | Lg化学株式会社 | Privacy protection filter and fabrication method thereof |
| CN103091893A (en) * | 2013-01-05 | 2013-05-08 | 京东方科技集团股份有限公司 | Display device and display system |
| CN103293756A (en) * | 2013-05-30 | 2013-09-11 | 京东方科技集团股份有限公司 | Display processing device, system and method |
-
2013
- 2013-12-24 CN CN201310723034.9A patent/CN103698958B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1445712A (en) * | 2002-12-10 | 2003-10-01 | 中国科学技术大学 | Method for coding and decoding high capacity information and its device |
| US20060146405A1 (en) * | 2005-01-06 | 2006-07-06 | Macmaster Steven W | Privacy screen for a display |
| US20100230615A1 (en) * | 2009-02-27 | 2010-09-16 | Charles Douglas Macpherson | Security device |
| CN102947742A (en) * | 2010-04-22 | 2013-02-27 | Lg化学株式会社 | Privacy protection filter and fabrication method thereof |
| CN103091893A (en) * | 2013-01-05 | 2013-05-08 | 京东方科技集团股份有限公司 | Display device and display system |
| CN103293756A (en) * | 2013-05-30 | 2013-09-11 | 京东方科技集团股份有限公司 | Display processing device, system and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105976750A (en) * | 2016-07-19 | 2016-09-28 | 京东方科技集团股份有限公司 | Display control method and device and display device |
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