CN104298317A - Low-leakage display - Google Patents
Low-leakage display Download PDFInfo
- Publication number
- CN104298317A CN104298317A CN201410527951.4A CN201410527951A CN104298317A CN 104298317 A CN104298317 A CN 104298317A CN 201410527951 A CN201410527951 A CN 201410527951A CN 104298317 A CN104298317 A CN 104298317A
- Authority
- CN
- China
- Prior art keywords
- front panel
- face
- rear end
- letting out
- display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
- G06F1/1603—Arrangements to protect the display from incident light, e.g. hoods
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/84—Protecting input, output or interconnection devices output devices, e.g. displays or monitors
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
- G06F2200/16—Indexing scheme relating to G06F1/16 - G06F1/18
- G06F2200/161—Indexing scheme relating to constructional details of the monitor
- G06F2200/1612—Flat panel monitor
Abstract
The invention provides a low-leakage display. The low-leakage display comprises a front panel, shielding glass and a glass compression bar for fixing the shielding glass on the rear end face of the front panel, wherein one part of the front end face of the glass compression bar is fitted with the front panel, while the other part of the front end face of the glass compression bar is fitted with the shielding glass; a first conductive gasket is arranged between the fitted surfaces of the glass compression bar and the front panel and used for reducing a gap between the two fitted surfaces. The low-leakage display has the advantages that the connection gap between the components associated with the display is sealed by the conductive gasket so that electromagnetic information emitted by a liquid crystal display screen cannot be transmitted to the outside via the gap and the electromagnetic information is shielded, and therefore, the problem of electromagnetic information leakage is effectively solved, the risk that the information is intercepted and captured is reduced and the information of the display is effectively guaranteed.
Description
Technical field
The present invention relates to low letting out and penetrate technical field, especially relate to a kind of low letting out and penetrate display.
Background technology
The country concerning security matters field display overwhelming majority is common graphoscope, this class display not only functional reliability is poor, and electromagnetic radiation is strong, its electromagnetic radiation is easy to be detectd receipts, intercept and capture, and therefrom obtain confidential information by signal analysis, cause high risks to national security.
Low letting out penetrates performance (preventing electromagnetic exposure), A, B, C Three Estate is divided into according to national information Privacy, wherein C level is highest ranking, at present on the market low is let out and is penetrated display and generally only reach A level, and low letting out more than B level and B level penetrates the project that display is still in primary study; At present low is let out low the letting out of penetrating display and is penetrated poor performance, computer information safe cannot be guaranteed, there is the potential safety hazard that information is listened, intercepts and captures.
Summary of the invention
An object of the present invention is to provide a kind of low letting out and penetrates display, the problem being easily listened with the information solved in prior art in display, intercepting and capturing.
In some illustrative embodiment, described low letting out penetrates display, comprise: front panel, shield glass and described shield glass is fixed on the glazing bead of rear end face of described front panel, part front end face and the described front panel of described glazing bead are fitted, its another part front end face and described shield glass are fitted, and are provided with the first conductive gasket for reducing both gaps between the binding face of described glazing bead and described front panel.
Compared with prior art, illustrative embodiment of the present invention comprises following advantage:
Sealed by conductive gasket in the joint gap between the device that display is relevant, the electromagnetic information that LCDs is come out cannot by gap transmission to extraneous, achieve closed electromagnetic information, effectively solve the problem that electromagnetic information is revealed, the risk that the information of reducing is ravesdropping, intercept and capture, makes the information security of display obtain effective guarantee.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation according to illustrative embodiment of the present invention;
Fig. 2 is the explosive view according to illustrative embodiment of the present invention;
Fig. 3 is the explosive view according to illustrative embodiment of the present invention;
Fig. 4 is the schematic diagram of the bidentate reed according to illustrative embodiment of the present invention;
Fig. 5 is the schematic diagram of the monodentate reed according to illustrative embodiment of the present invention;
Fig. 6 is the schematic diagram of the conductive gasket according to illustrative embodiment of the present invention.
1. front panel 2. shield glass 3. glazing bead 4. LCDs 5. circuit board fixing bracket 6. power supply aviation plug 7. back cover 8. display screen fixed support 9. main control board 10. radome 11. keypad 12. key box 13. button 14. video aviation plug 15. bracing frame 16. press key equipment 17. fixed leg 18. boss.
Embodiment
In the following detailed description, a large amount of specific detail is proposed, so that provide thorough understanding of the present invention.But, person of skill in the art will appreciate that, also can implement the present invention even without these specific detail.In other cases, do not describe well-known method, process, assembly and circuit in detail, in order to avoid affect the understanding of the present invention.
As shown in Figure 1, Figure 2 and Figure 3, in some illustrative embodiment, open a kind of low letting out penetrates display, comprising: front panel, shield glass, glazing bead, LCDs, main control board, press key equipment and back cover.
Wherein, four limits of shield glass are fixed respectively by a glazing bead, shield glass are fixed on the center of the rear end face of front panel; Part front end face and the described front panel of each glazing bead are fitted, its another part front end face and described shield glass are fitted, the first conductive gasket for reducing both gaps is provided with between the binding face of described glazing bead and described front panel, electromagnetic information cannot be passed by gap, strengthens low letting out and penetrates performance.
Sealed by conductive gasket in the joint gap between the device that display is relevant, the electromagnetic information that LCDs is come out cannot by gap transmission to extraneous, achieve closed electromagnetic information, effectively solve the problem that electromagnetic information is revealed, the risk that the information of reducing is ravesdropping, intercept and capture, makes the information security of display obtain effective guarantee.
In some illustrative embodiment, the glazing bead of fixed mask glass also can be structure as a whole, such as the glazing bead of loop configuration (such as rectangle).
In some illustrative embodiment, the rear end face of described front panel has first ring connected in star, and be positioned at described first ring connected in star, for placing the second annular groove of described shield glass; Shield glass is placed in the second annular groove, the surrounding (non-displaypart) of its front end face and the bottom surface of the second annular groove fit, now the rear end face of front panel and the rear end face of shield glass form 3 compression faces, be respectively the first compression face, the second compression face and the 3rd compression face, first compression face is the portion rear end face of the front panel of first ring connected in star periphery, second compression face is the bottom surface of first ring connected in star, and the 3rd compression face is the surrounding of the rear end face of shield glass.
The middle part of glazing bead is provided with boss, form three compressive planes cooperatively interacted with three compression faces, the outside (namely away from display center) of the front end face of glazing bead is the first compressive plane, for fitting with the first compression face, the middle part of the front end face of glazing bead is the second compressive plane (i.e. the surface of boss), for fitting with the second compression face, the inner side (namely near the center of display) of the front end face of glazing bead is the 3rd compressive plane, and the periphery for the rear end face with shield glass is bonded to each other.
Preferably, the first conductive gasket is arranged between the first compressive plane and the first compression face.
In some illustrative embodiment, shield glass is shielding wire glass, and the silk screen of shielding wire glass is laid between the second compressive plane and the second compression face, and between the first compressive plane and the first compression face.
By shielding the silk screen of wire glass and the first conductive gasket, glazing bead and front panel and the gap shielded between wire glass being eliminated, preventing the leakage of electromagnetic information, further ensure that the security of electromagnetic information.
In some illustrative embodiment, the inner side (namely near display center) of the upper surface of glazing bead has the 3rd groove, the upper surface forming described glazing bead has two planes just do not waited, be positioned at the plane of plane lower than opposite side of inner side, form the standing groove placing LCDs.
In some illustrative embodiment, the bottom of standing groove is provided with the second conductive gasket, and the gap namely between LCDs and the upper surface of glazing bead is eliminated by the second conductive gasket, and electromagnetic information cannot be passed by gap, strengthens low letting out and penetrates performance.
In some illustrative embodiment, conductive gasket has certain telescopic resilience, is convenient to extruding, ensures fully the contacting of conductive gasket and adjacent component, sealing.
By adding conductive gasket at surface of contact; play the cushioning effect of protection display screen on the one hand; on the other hand by the first conductive gasket, the second conductive gasket and the triple protection of shielding silk screen; prevent the electromagnetic radiation of display screen; by above technological means; make low the letting out of display penetrate the highest level that performance meets national electromagnetic information safe relevant criterion highest level and national associated shield standard, ensure that the security of information.
In some illustrative embodiment, LCDs is arranged on the rear end of glazing bead, is fixed on the middle part of the rear end face of described glazing bead, is connected with main control board by least one display screen fixed support.Preferably, display screen fixed support selects two, is arranged on the both sides that LCDs is relative, fixes respectively by screw and glazing bead.
In some illustrative embodiment, main control board is fixed on the rear end of LCDs by circuit board fixing bracket; The relative both sides of circuit board fixing bracket are fixed with the surrounding of the rear end face of glazing bead respectively.Preferably, circuit board fixing bracket connects glazing bead by fixed leg, is arranged with radome outside main control board, on radome fixing circuit board fixed support.
In some illustrative embodiment, back cover and described front panel form the shell holding each device.Wherein, the 3rd conductive gasket, bidentate reed or monodentate reed is provided with between the surface of contact that described front panel and described back cover connect.
In some illustrative embodiment, press key equipment comprises: keypad, is arranged on the inside of described shell, is connected with described main control board; Key box, is arranged on the inwall of described shell, around described keypad, has the contact pilotage that the touch points on one end and described keypad cooperatively interacts in described key box; Button, is arranged on the outer wall of described shell, matches with the other end of described contact pilotage.
In some illustrative embodiment, described shell is also provided with at least one aviation plug, each described aviation plug is connected with described main control board.Preferably, shell is provided with two aviation plugs, one of them is power supply aviation plug, and one end is connected with the power interface of main control board, and the other end is for connecting power supply; Another aviation plug is video aviation plug, and one end is connected with the video interface of main control board, and the other end is for connecting VGA display line.
In some illustrative embodiment, described back cover is provided with bracing frame.
The explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. low letting out penetrates display, comprise: front panel, shield glass and described shield glass is fixed on the glazing bead of rear end face of described front panel, it is characterized in that, part front end face and the described front panel of described glazing bead are fitted, its another part front end face and described shield glass are fitted, and are provided with the first conductive gasket for reducing both gaps between the binding face of described glazing bead and described front panel.
2. low letting out according to claim 1 penetrates display screen, it is characterized in that, the rear end face of described front panel has first ring connected in star, and be positioned at described first ring connected in star, for placing the second annular groove of described shield glass;
The middle part of described glazing bead is provided with boss, form the first compressive plane, and the bottom surface of described first ring connected in star second compressive plane of fitting that are used for fit with the rear end face of the described front panel of part of described first ring connected in star periphery, and the 3rd compressive plane of fitting with the described shield glass being placed on described second annular groove;
Described first conductive gasket is arranged between the rear end face of the described front panel of part of described first compressive plane and described first ring connected in star periphery.
3. low letting out according to claim 2 penetrates display, it is characterized in that, described shield glass is shielding wire glass;
The silk screen of described shielding wire glass is laid on the bottom surface of the first ring connected in star of described second annular groove periphery, and the portion rear end face of the front panel of described first ring connected in star periphery, by the first compressive plane of described glazing bead and the second compressive plane be pressed on the rear end face of described front panel.
4. low letting out according to claim 1 penetrates display, it is characterized in that, also comprises: the LCDs of gland on the rear end face of described glazing bead;
The portion rear end mask of the close described LCDs of described glazing bead has the standing groove at the edge placing described LCDs;
The second conductive gasket for reducing both gaps is provided with between the bottom surface of described LCDs and described standing groove.
5. low letting out according to claim 1 penetrates display, it is characterized in that, described LCDs is fixed on described glazing bead by least one display screen fixed support.
6. low letting out according to claim 5 penetrates display, it is characterized in that, also comprises:
The main control board of the rear end of described LCDs is fixed on by circuit board fixing bracket; And form the back cover of the shell for holding each device with described front panel combination.
7. low letting out according to claim 6 penetrates display, it is characterized in that, described main control board is arranged with radome.
8. low letting out according to claim 6 penetrates display, it is characterized in that, also comprises: keypad, key box and button;
Described keypad is arranged on described enclosure, is electrically connected with described main control board;
Described key box is arranged on the outer wall of described back cover, holds described keypad, has the contact pilotage matched with the contact on described keypad in described key box;
Described button is arranged on the outer wall of described back cover, matches with described contact pilotage.
9. low letting out according to claim 6 penetrates display, it is characterized in that, described shell is also provided with at least one aviation plug be electrically connected with described main control board.
10. low letting out according to claim 6 penetrates display, it is characterized in that, is provided with the 3rd conductive gasket, bidentate reed or monodentate reed for reducing both gaps between the surface of contact that described front panel and described back cover connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410527951.4A CN104298317A (en) | 2014-10-09 | 2014-10-09 | Low-leakage display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410527951.4A CN104298317A (en) | 2014-10-09 | 2014-10-09 | Low-leakage display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104298317A true CN104298317A (en) | 2015-01-21 |
Family
ID=52318085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410527951.4A Pending CN104298317A (en) | 2014-10-09 | 2014-10-09 | Low-leakage display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104298317A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087487A (en) * | 2017-12-19 | 2018-05-29 | 湖南中科信为科技有限公司 | A kind of compression spring vibrating isolation system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6064565A (en) * | 1997-09-04 | 2000-05-16 | International Business Machines Corporation | LCD assembly and information processing apparatus |
| CN201607876U (en) * | 2009-12-25 | 2010-10-13 | 山东超越数控电子有限公司 | Electromagnetically-shielded waterproof and sealed display panel |
| CN101976096A (en) * | 2010-09-25 | 2011-02-16 | 安方高科信息安全技术(北京)有限公司 | Electromagnetic radiation protection method of all-in-one computer |
| CN102711399A (en) * | 2012-06-29 | 2012-10-03 | 安方高科电磁安全技术(北京)有限公司 | Electromagnetic leakage prevention all-in-one machine shell |
| CN202975929U (en) * | 2012-11-01 | 2013-06-05 | 成都阿普奇自动化技术有限公司 | Tablet computer |
| CN204189084U (en) * | 2014-10-09 | 2015-03-04 | 安方高科电磁安全技术(北京)有限公司 | A kind of low letting out penetrates display |
-
2014
- 2014-10-09 CN CN201410527951.4A patent/CN104298317A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6064565A (en) * | 1997-09-04 | 2000-05-16 | International Business Machines Corporation | LCD assembly and information processing apparatus |
| CN201607876U (en) * | 2009-12-25 | 2010-10-13 | 山东超越数控电子有限公司 | Electromagnetically-shielded waterproof and sealed display panel |
| CN101976096A (en) * | 2010-09-25 | 2011-02-16 | 安方高科信息安全技术(北京)有限公司 | Electromagnetic radiation protection method of all-in-one computer |
| CN102711399A (en) * | 2012-06-29 | 2012-10-03 | 安方高科电磁安全技术(北京)有限公司 | Electromagnetic leakage prevention all-in-one machine shell |
| CN202975929U (en) * | 2012-11-01 | 2013-06-05 | 成都阿普奇自动化技术有限公司 | Tablet computer |
| CN204189084U (en) * | 2014-10-09 | 2015-03-04 | 安方高科电磁安全技术(北京)有限公司 | A kind of low letting out penetrates display |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087487A (en) * | 2017-12-19 | 2018-05-29 | 湖南中科信为科技有限公司 | A kind of compression spring vibrating isolation system |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150121 |
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| WD01 | Invention patent application deemed withdrawn after publication |