CN110868845A - Shielding window mounting structure and electromagnetic information safety protection display - Google Patents
Shielding window mounting structure and electromagnetic information safety protection display Download PDFInfo
- Publication number
- CN110868845A CN110868845A CN201911335146.0A CN201911335146A CN110868845A CN 110868845 A CN110868845 A CN 110868845A CN 201911335146 A CN201911335146 A CN 201911335146A CN 110868845 A CN110868845 A CN 110868845A
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- Prior art keywords
- shielding
- mounting structure
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- glass
- display
- Prior art date
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- 239000011521 glass Substances 0.000 claims abstract description 60
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000011889 copper foil Substances 0.000 claims abstract description 13
- 238000010030 laminating Methods 0.000 claims abstract 2
- 238000009423 ventilation Methods 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 13
- 239000004973 liquid crystal related substance Substances 0.000 claims description 8
- 239000011324 bead Substances 0.000 claims description 7
- 238000002834 transmittance Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000005322 wire mesh glass Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0054—Casings specially adapted for display applications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133334—Electromagnetic shields
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention provides a shielding window mounting structure and an electromagnetic information safety protection display, relates to the technical field of electromagnetic information safety protection, and solves the technical problems of mole stripes and poor light transmittance of a low-leakage display in the prior art. This shielding window mounting structure, including shielding glass and shielding casing, the shielding rear shell that the shielding casing was connected including shielding front shell and through countersunk screw and shielding front shell is provided with mounting structure before the shielding on the shell, and mounting structure enables shielding glass and installs before the shielding on the shell with the mode of laminating, and shielding glass has the conducting layer, and shielding glass's four sides package has the conductive copper foil. The shielding glass with the conducting layer is adopted, so that the transmissivity of the display is more than 80%, and the Moire phenomenon is avoided; secondly, shielding window mounting structure can let shielding glass reliable and stable install in the shielding shell.
Description
Technical Field
The invention relates to the technical field of electromagnetic information safety protection, in particular to a shielding window mounting structure and an electromagnetic information safety protection display.
Background
The displays in the national secret-related field are mostly ordinary computer displays, the display is poor in working reliability and strong in electromagnetic radiation emission, the electromagnetic radiation emission is easy to detect, intercept and obtain confidential information through signal analysis, and the national security is greatly damaged.
At present, the domestic electromagnetic information safety protection display adopts a shielding window and a shielding shell to realize the electromagnetic information safety protection. The shielding shell is mainly made of metal shells, the assembly surface is guaranteed to be good in conductive performance and filled with soft conductive materials, the shielding shell is connected with the shielding window in a shielding mode, the complete shielding shell is formed to effectively protect the display, and the shielding window is made of metal wire mesh glass, coated glass and a shielding film.
The prior art mask window has the following disadvantages:
1. the adopted wire mesh shielding glass has poor light transmittance, light passes through two layers of glass and one layer of wire mesh, and the light transmittance is more than 30-50%;
2. the display screen image can generate moire fringes by shielding glass with a metal wire mesh, the moire fringes can be reduced by adjusting the angle of the metal mesh, the moire fringes can not be eliminated, and the glass processing yield is low;
3. the glass and the wire mesh are adopted, so that the whole set of glass has larger thickness and heavier weight, and higher requirements are put forward on the installation structure of the shielding window;
4. the disadvantages of using coated glass and shielding film are poor shielding effectiveness, short service life and easy abrasion.
Disclosure of Invention
The invention aims to provide a shielding window mounting structure and an electromagnetic information safety protection display, and aims to solve the technical problems of moire fringes and poor light transmittance of a low-leakage display in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a shielding window mounting structure, which comprises shielding glass and a shielding shell, wherein the shielding glass is arranged on the shielding shell;
the shielding shell body comprises a shielding front shell body and a shielding rear shell body connected with the shielding front shell body through a countersunk screw, a mounting structure is arranged on the shielding front shell body, the mounting structure enables the shielding glass to be mounted in a fitting mode on the shielding front shell body, the shielding glass is provided with a conducting layer, and four sides of the shielding glass are wrapped with conducting copper foils.
As a further improvement of the present invention, the mounting structure is a mounting groove formed by the shielding front shell and a glass bead mounted on the boss of the shielding front shell by a screw, and the shielding glass is mounted in the mounting groove and is fixed and pressed by the screw.
As a further improvement of the invention, a first conductive gasket is arranged in the mounting groove.
As a further improvement of the present invention, the first conductive pad is electrically connected to the conductive copper foil, the glass bead and the shielding front case, respectively, and the conductive copper foil is electrically connected to the conductive layer.
As a further improvement of the present invention, a second conductive gasket is disposed at a junction of the shield rear case and the shield front case.
As a further improvement of the invention, the shielding rear shell is provided with a honeycomb type ventilation waveguide window.
As a further improvement of the present invention, the honeycomb-type ventilation waveguide window is fixedly mounted by a clinch screw and a hexagon nut, and a third conductive gasket is disposed between the honeycomb-type ventilation waveguide window and the shielding rear case.
As a further improvement of the present invention, a display shielding button is mounted on the shielding rear case.
The invention provides an electromagnetic information safety protection display which comprises the shielding window mounting structure, a liquid crystal display core and a display base for supporting the display, wherein the display base is mounted at the bottom of a shielding rear shell, and the liquid crystal display core is mounted between a glass pressing strip in the shielding shell and the shielding rear shell.
As a further improvement of the invention, the shielding cable and the plug are also included for connecting power supply and transmitting signals.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the shielding window mounting structure is arranged, so that the shielding glass can be stably and reliably mounted in the shielding shell, and the shielding front shell, the shielding glass and the glass pressing strip are tightly connected through fixing and pressing by the screws, thereby realizing the display effect and ensuring the shielding structure.
2. The invention adopts the shielding glass with the conducting layer, and the four sides of the shielding glass are wrapped with the conducting copper foil, the transmissivity of the shielding glass is more than 80 percent, and the shielding glass does not have the phenomenon of moire.
The preferred embodiment of the present invention also has the following advantageous effects:
1. the shielding shell is provided with the honeycomb-shaped ventilation waveguide window, the shielding rear shell is fixed through the rivet pressing screw and the hexagon nut, and the soft conductive gasket is arranged between the ventilation waveguide window and the shielding rear shell, so that the shielding effect is ensured, and meanwhile, the ventilation and heat dissipation of internal equipment can be realized.
2. The electromagnetic information safety protection display adopts the shielding cable and the special plug to carry out signal transmission and power supply connection, thereby not only ensuring that the internal equipment and the external equipment carry out normal data exchange, but also protecting the internal electromagnetic information and preventing the internal electromagnetic information from being stolen by people.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of an electromagnetic information security display provided by the present invention;
FIG. 2 is an exploded view of an electromagnetic information security display provided by the present invention;
FIG. 3 is a schematic view of a shielding window mounting structure provided in the present invention;
fig. 4 is a schematic view illustrating the installation of a honeycomb type ventilation waveguide window provided by the present invention.
In the figure: 1. a shield case; 101. a shielding front case; 102. shielding the rear shell; 103. countersunk head screws; 2. shielding the window; 201. a shielding glass; 202. pressing a glass strip; 203. a conductive copper foil; 3. a display shielding key; 4. a honeycomb-type ventilation waveguide window; 401. pressing and riveting the screw; 402. a hexagonal nut; 5. a display base; 6. a first conductive pad; 7. a liquid crystal display core; 8. a second conductive pad; 9. a third conductive pad.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The invention provides a shielding window structure and an electromagnetic information safety protection display, and the technical scheme provided by the invention is explained in more detail with reference to fig. 1 to 4.
As shown in fig. 3, the present invention provides a shielding window mounting structure, which includes a shielding glass 201 and a shielding case 1.
The shielding shell 1 comprises a shielding front shell 101 and a shielding rear shell 102 connected with the shielding front shell 101 through a countersunk head screw 103, a mounting structure is arranged on the shielding front shell 101, the mounting structure enables shielding glass 201 to be mounted on the shielding front shell 101 in a fitting mode, the shielding glass 201 is provided with a conductive layer, and the four sides of the shielding glass 201 are wrapped with conductive copper foils 203.
The invention adopts the shielding glass 201 with the conducting layer, the four sides of the shielding glass 201 are wrapped with the conducting copper foil 203, the transmissivity of the shielding glass is more than 80 percent, and the phenomenon of moire is avoided.
Further, the mounting structure is a mounting groove formed by the shielding front shell 101 and a glass bead 202 mounted on a boss of the shielding front shell 101 by screws, and the shielding glass 201 is mounted in the mounting groove and is fixed and pressed by screws.
According to the invention, the shielding window 2 mounting structure is arranged, so that the shielding glass 201 can be stably and reliably mounted in the shielding shell 1, and the shielding front shell 101, the shielding glass 201 and the glass bead 202 are tightly connected through screw fixation and compression, thereby realizing the display effect and ensuring the shielding structure.
As shown in fig. 3, the shield front case 101 in the preferred embodiment has a stepped structure including a first step, a second step, and a third step. The first step is used for installing the shielding glass 201, the second step is used for installing the glass pressing strip 202, the glass pressing strip 202 and the first step form an installation groove which can be used for installing the shielding glass 201, and the third step is connected with the shielding rear shell 102 through the countersunk head screw 103.
The specific installation steps of the shielding glass comprise the steps of firstly attaching the surface of the shielding glass 201 to a first step on the shielding front shell 101, then fixing a glass bead 202 on a second step through a screw, and tightly pressing the shielding glass 201 by screwing the screw.
As an alternative embodiment, a first conductive pad 6 is disposed in the mounting groove, the first conductive pad 6 is an inner and outer conductive pad, the first conductive pad 6 is electrically connected to the conductive copper foil 203, the glass bead 202, and the shielding front shell 101, the conductive copper foil 203 is electrically connected to the conductive layer, and a second conductive pad 8, that is, a third step for mounting the countersunk head screw 103, is disposed at a connection between the shielding rear shell 102 and the shielding front shell 101.
The soft conductive gasket is arranged between each component of the shielding shell 1, so that stable electric connection is formed between each component, and a good shielding effect is achieved.
As an alternative embodiment, as shown in fig. 4, a honeycomb-type ventilation waveguide window 4 is installed on the shielding rear shell 102, the honeycomb-type ventilation waveguide window 4 is fixedly installed by a rivet pressing screw 401 and a hexagon nut 402, and a third conductive gasket 9 is arranged between the honeycomb-type ventilation waveguide window 4 and the shielding rear shell 102.
The shielding shell 1 of the invention is provided with the honeycomb-shaped ventilation waveguide window 4, the shielding rear shell 102 is fixed by the rivet pressing screw 401 and the hexagon nut 402, and the soft conductive gasket is arranged between the ventilation waveguide window and the shielding rear shell 102, thereby ensuring the shielding effect and being used for ventilation and heat dissipation of internal equipment.
As an alternative embodiment, the shielding rear case 102 is provided with a display shielding key 3 having a function of shielding electromagnetic signals.
The shielding key device of the present embodiment includes: the key board is arranged inside the shielding rear shell 102 and is connected with the main control circuit board on the liquid crystal display core 7; a key box arranged on the inner wall of the shielding rear shell 102 and surrounding the key board, wherein one end of the key box is provided with a contact pin matched with a touch point on the key board; and a key provided on an outer wall of the shield rear case 102 to be engaged with the other end of the contact pin.
As shown in fig. 1 to fig. 2, the electromagnetic information safety protection display provided by the present invention includes the aforementioned shielding window mounting structure, a liquid crystal display core 7, and a display base 5 for supporting the display, wherein the display base 5 is mounted at the bottom of the shielding rear shell 102, and the liquid crystal display core 7 is mounted in the shielding shell 1.
The electromagnetic information safety protection display has the advantages of good shielding effect, stable structure and high transmittance of the display, and has no moire phenomenon after multiple tests.
As an optional implementation mode, a shielded cable and a plug for connecting a power supply and transmitting signals are further included.
The electromagnetic information safety protection display adopts the shielding cable and the special plug to carry out signal transmission and power supply connection, thereby not only ensuring that the internal equipment and the external equipment carry out normal data exchange, but also protecting the internal electromagnetic information and preventing the internal electromagnetic information from being stolen by people.
Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.
Meanwhile, if the invention as described above discloses or relates to parts or structural members fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connection (such as riveting and welding), of course, the mutual fixed connection can also be an integral structure (for example, the mutual fixed connection is manufactured by casting and integral forming instead (except that the integral forming process can not be adopted obviously).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated. Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (10)
1. A shielding window mounting structure, its characterized in that: comprises a shielding glass (201) and a shielding shell (1), wherein;
shielding casing (1) including shielding preceding shell (101) and through countersunk screw (103) with shielding backshell (102) that shell (101) are connected before the shielding, be provided with mounting structure before the shielding on shell (101), mounting structure enables shielding glass (201) are installed with the mode of laminating before the shielding on shell (101), shielding glass (201) have the conducting layer, just the four sides package of shielding glass (201) has conductive copper foil (203).
2. The shielding window mounting structure as set forth in claim 1, wherein: the mounting structure is a mounting groove formed by the shielding front shell (101) and a glass pressing strip (202) mounted on a boss of the shielding front shell (101) through screws, and the shielding glass (201) can be mounted in the mounting groove and is fixedly pressed through screws.
3. The shielding window mounting structure as set forth in claim 2, wherein: a first conductive gasket (6) is further arranged in the mounting groove.
4. The shielding window mounting structure as set forth in claim 3, wherein: the first conductive gasket (6) is electrically connected with the conductive copper foil (203), the glass bead (202) and the shielding front shell (101) respectively, and the conductive copper foil (203) is electrically connected with the conductive layer.
5. The shielding window mounting structure as set forth in claim 1, wherein: and a second conductive gasket (8) is arranged at the joint of the shielding rear shell (102) and the shielding front shell (101).
6. The shielding window mounting structure as set forth in claim 5, wherein: and a honeycomb type ventilation waveguide window (4) is arranged on the shielding rear shell (102).
7. The shielding window mounting structure as set forth in claim 6, wherein: the honeycomb type ventilation waveguide window (4) is fixedly installed through a rivet pressing screw (401) and a hexagon nut (402), and a third conductive gasket (9) is arranged between the honeycomb type ventilation waveguide window (4) and the shielding rear shell (102).
8. The shielding window mounting structure as set forth in claim 7, wherein: and a display shielding key (3) is arranged on the shielding rear shell (102).
9. The utility model provides an electromagnetic information safety protection display which characterized in that: comprising the shielding window mounting structure of any one of claims 1-8, a liquid crystal display core (7) and a display base (5) for supporting a display, said display base (5) being mounted at the bottom of said shielding rear housing (102), said liquid crystal display core (7) being mounted within said shielding housing (1).
10. The electromagnetic information security protection display of claim 9, wherein: and the shielding cable and the plug are used for connecting a power supply and transmitting signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911335146.0A CN110868845A (en) | 2019-12-23 | 2019-12-23 | Shielding window mounting structure and electromagnetic information safety protection display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911335146.0A CN110868845A (en) | 2019-12-23 | 2019-12-23 | Shielding window mounting structure and electromagnetic information safety protection display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110868845A true CN110868845A (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911335146.0A Pending CN110868845A (en) | 2019-12-23 | 2019-12-23 | Shielding window mounting structure and electromagnetic information safety protection display |
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| Country | Link |
|---|---|
| CN (1) | CN110868845A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104298317A (en) * | 2014-10-09 | 2015-01-21 | 安方高科电磁安全技术(北京)有限公司 | Low-leakage display |
| CN204795969U (en) * | 2015-08-19 | 2015-11-18 | 山东超越数控电子有限公司 | Electromagnetic shield glass structure with prevent function of drenching with rain |
| CN209134738U (en) * | 2018-06-12 | 2019-07-19 | 睿惢思工业科技（苏州）有限公司 | A kind of full frequency band electromagnetic shielding glass |
| CN211240672U (en) * | 2019-12-23 | 2020-08-11 | 安方高科电磁安全技术(北京)有限公司 | Shielding window mounting structure and electromagnetic information safety protection display |
-
2019
- 2019-12-23 CN CN201911335146.0A patent/CN110868845A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104298317A (en) * | 2014-10-09 | 2015-01-21 | 安方高科电磁安全技术(北京)有限公司 | Low-leakage display |
| CN204795969U (en) * | 2015-08-19 | 2015-11-18 | 山东超越数控电子有限公司 | Electromagnetic shield glass structure with prevent function of drenching with rain |
| CN209134738U (en) * | 2018-06-12 | 2019-07-19 | 睿惢思工业科技（苏州）有限公司 | A kind of full frequency band electromagnetic shielding glass |
| CN211240672U (en) * | 2019-12-23 | 2020-08-11 | 安方高科电磁安全技术(北京)有限公司 | Shielding window mounting structure and electromagnetic information safety protection display |
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