CN202929970U - LED (light emitting diode) display screen capable of reducing electromagnetic radiation - Google Patents
LED (light emitting diode) display screen capable of reducing electromagnetic radiation Download PDFInfo
- Publication number
- CN202929970U CN202929970U CN 201220650653 CN201220650653U CN202929970U CN 202929970 U CN202929970 U CN 202929970U CN 201220650653 CN201220650653 CN 201220650653 CN 201220650653 U CN201220650653 U CN 201220650653U CN 202929970 U CN202929970 U CN 202929970U
- Authority
- CN
- China
- Prior art keywords
- power supply
- electromagnetic radiation
- led
- power pack
- led 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model discloses an LED (light emitting diode) display screen capable of reducing electromagnetic radiation, comprising a box body, a power supply, a receiving card and multiple LED modules, wherein a power pack with a shielding effect is arranged on the back side of the box body, the power supply and the receiving card are all mounted in the power pack, and one single power signal interface is arranged in the back cover of each LED module and can simultaneously receive power output and signal output from the power pack. According to the LED display screen disclosed by the utility model, the power supply and the receiving card are integrated in the power pack with the shielding effect, so that the electromagnetic disturbance is reduced, each single LED module adopts independent signal input, the cascade connection is not needed, the external output is not needed to be set, each single interface can realize the double input of power supply and signal, the number of connectors is greatly reduced, the reliability on electrical performance is guaranteed, the electromagnetic disturbance is greatly reduced, and the LED display screen based on the design can greatly reduce the electromagnetic radiation.
Description
Technical field
The utility model relates to the LED technical field, relates more specifically to a kind of LED display that reduces electromagnetic radiation.
Background technology
In recent years, LED display relies on the superiority such as the low price, low consumption, high brightness, long-life of its uniqueness playing the part of important role in the flat pannel display field always, and is also having sizable development space within one quite long from now on period.LED display has the advantages such as high brightness, sliceable use, convenient, flexible, efficient low-consume, makes it at large-area displays, and particularly the application in fields such as physical culture, advertisement, finance, exhibition, traffic is quite extensive.
Along with the lifting of quality of life, except paying close attention to the general usability of product, what more and more pay attention to is the harm that electromagnetic radiation that electronic product produces brings human body to the consumer when buying the electronic product such as LED display.And one of them important parameter of weighing display screen radiation degree is Electro Magnetic Compatibility (EMC, Electro Magnetic Compatibility), EMC refers to that the operation that meets the requirements of equipment or system does not produce the ability of intolerable electromagnetic interference (EMI) to any equipment in its environment in its electromagnetic environment.Improve the EMC performance and can reduce electromagnetic radiation, improve the security performance of electronic product.
Given this, be necessary to provide a kind of LED display of electromagnetic radiation that reduces to address the aforementioned drawbacks
The utility model content
The purpose of this utility model is to provide a kind of LED display of electromagnetic radiation that reduces to meet the need of market.
To achieve these goals, the technical solution adopted in the utility model is: a kind of LED display that reduces electromagnetic radiation is provided, it comprises casing, power supply, receiving card and a plurality of LED module, it is characterized in that: the back side of described casing is provided with a power pack with shielding action, described power supply and receiving card are installed in described power pack, are provided with a power supply signal interface on the bonnet of each described LED module to receive simultaneously power supply output and the signal output from described power pack.
Its further technical scheme is: also be provided with a wave filter in described power pack, described wave filter is arranged on described power supply place.
Its further technical scheme is: also be provided with a shielding box in described power pack, described shielding box is arranged on described receiving card place.
Its further technical scheme is: described casing is the aluminium section bar casing.
Compared with prior art, the LED display that the utility model provides is incorporated into power supply and receiving card in the power pack with shield effectiveness can reduce electromagnetic interference (EMI), single led module adopts the independent signal input, need not cascade, need not to arrange external output, and individual interface realizes the dual input of power supply and signal, greatly reduce plug connector, can guarantee the reliability of electric property and reduce a large amount of electromagnetic interference (EMI), can greatly reduce electromagnetic radiation based on the LED display of this design.
By following description also by reference to the accompanying drawings, it is more clear that the utility model will become, and these accompanying drawings are used for explaining embodiment of the present utility model.
Description of drawings
Fig. 1 is the schematic rear view that the utility model can reduce the LED display of electromagnetic radiation.
Fig. 2 is the LED module rear cover structure figure in the LED display that reduces electromagnetic radiation shown in Figure 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in embodiment is clearly and completely described, in accompanying drawing, similar assembly label represents similar assembly.Obviously, below be only the utility model part embodiment with the embodiment that describes, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1 and Fig. 2, the LED display 10 of the reduced electromagnetic radiation of the present embodiment comprises casing 11, be arranged on a plurality of LED modules 12 in casing 11 fronts and the power pack 13 that is arranged on casing 11 back sides.Wherein, described power pack 13 has shielding action, is provided with power supply (not shown) and receiving card (not shown) in it, power supply and receiving card is integrated in same shielded power supply box 13 can significantly reduces electromagnetic interference (EMI).In order further to control electromagnetic radiation, also can set up a shielding box and a wave filter in power pack 13, wherein, shielding box can be arranged on the receiving card place and wave filter is arranged on power supply sentences and mask the magnetic field that Magnetic Field Source produces.
continue to see figures.1.and.2, in the present embodiment, be provided with single power supply signal interface 122 on the bonnet 121 of each LED module 12, single led module 12 adopts the independent signal input, corresponding each the LED module 12 of power pack 13 arranges separately one tunnel output, for example the present embodiment is provided with 9 LED modules, corresponding 9 tunnel power supply signal interfaces 122 of exporting to be connected respectively to each LED module that are provided with, need not cascade, and every road output of power pack 13 comprises power supply output and signal output simultaneously, 122, single power supply signal interface can be realized all required inputs, greatly reduce plug connector, can guarantee the reliability of electric property and reduce a large amount of electromagnetic interference (EMI).
In order further to promote the overall performance of the utility model LED display, the casing of the present embodiment adopts the aluminium section bar casing, makes that whole LED display weight is light, good appearance.
As mentioned above, the LED display that the utility model provides is incorporated into power supply and receiving card in the power pack with shield effectiveness can reduce electromagnetic interference (EMI), single led module adopts the independent signal input, need not cascade, need not to arrange external output, and individual interface realizes the dual input of power supply and signal, greatly reduce plug connector, can guarantee the reliability of electric property and reduce a large amount of electromagnetic interference (EMI), can greatly reduce electromagnetic radiation based on the LED display of this design.
Need to prove, other structure that the utility model can reduce the LED display of electromagnetic radiation is well known to those skilled in the art, and does not repeat them here.
Abovely in conjunction with most preferred embodiment, the utility model is described, but the utility model is not limited to the embodiment of above announcement, and should contains various modification, equivalent combinations of carrying out according to essence of the present utility model.
Claims (4)
1. LED display that can reduce electromagnetic radiation, comprise casing, power supply, receiving card and a plurality of LED module, it is characterized in that: the back side of described casing is provided with a power pack with shielding action, described power supply and receiving card are installed in described power pack, are provided with single power supply signal interface on the bonnet of each described LED module to receive simultaneously power supply output and the signal output from described power pack.
2. the LED display that reduces electromagnetic radiation as claimed in claim 1 is characterized in that: also be provided with a wave filter in described power pack, described wave filter is arranged on described power supply place.
3. the LED display that reduces electromagnetic radiation as claimed in claim 1 is characterized in that: also be provided with a shielding box in described power pack, described shielding box is arranged on described receiving card place.
4. the LED display that reduces electromagnetic radiation as claimed in claim 1, it is characterized in that: described casing is the aluminium section bar casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220650653 CN202929970U (en) | 2012-11-30 | 2012-11-30 | LED (light emitting diode) display screen capable of reducing electromagnetic radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220650653 CN202929970U (en) | 2012-11-30 | 2012-11-30 | LED (light emitting diode) display screen capable of reducing electromagnetic radiation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202929970U true CN202929970U (en) | 2013-05-08 |
Family
ID=48219909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220650653 Expired - Fee Related CN202929970U (en) | 2012-11-30 | 2012-11-30 | LED (light emitting diode) display screen capable of reducing electromagnetic radiation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202929970U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810113A (en) * | 2016-05-17 | 2016-07-27 | 利亚德光电股份有限公司 | LED (Light Emitting Diode) display lamp panel and LED display screen comprising same |
| CN109559654A (en) * | 2018-12-29 | 2019-04-02 | 深圳市奥拓电子股份有限公司 | LED display |
| CN111462678A (en) * | 2020-04-03 | 2020-07-28 | 东莞阿尔泰显示技术有限公司 | Novel L ED display panel with control signal loop-out function and control signal framework |
-
2012
- 2012-11-30 CN CN 201220650653 patent/CN202929970U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810113A (en) * | 2016-05-17 | 2016-07-27 | 利亚德光电股份有限公司 | LED (Light Emitting Diode) display lamp panel and LED display screen comprising same |
| CN105810113B (en) * | 2016-05-17 | 2019-07-05 | 利亚德光电股份有限公司 | LED shows lamp plate and the LED display comprising it |
| CN109559654A (en) * | 2018-12-29 | 2019-04-02 | 深圳市奥拓电子股份有限公司 | LED display |
| CN111462678A (en) * | 2020-04-03 | 2020-07-28 | 东莞阿尔泰显示技术有限公司 | Novel L ED display panel with control signal loop-out function and control signal framework |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201878491U (en) | Radiation protection screen | |
| CN202929970U (en) | LED (light emitting diode) display screen capable of reducing electromagnetic radiation | |
| CN103730068A (en) | LED display screen and power source control box thereof | |
| CN202261595U (en) | External module connecting structure for television | |
| CN203644329U (en) | LED display screen and waterproof connectors thereof | |
| CN202615728U (en) | LED (light emitting diode) display screen module | |
| CN203799400U (en) | Electronic label combination rod | |
| CN204102248U (en) | A kind of public bike renting system based on ARM Cortex-A8 built-in industrial control machine technology | |
| CN202749050U (en) | LED (Light Emitting Diode) display screen with improvable EMC (Electro Magnetic Compatibility) | |
| CN202905044U (en) | An angle-form seamless LED display module set and a multi-sided LED display screen | |
| CN2566420Y (en) | Shielded glass-plate with function of preventing electromagnetic radiation | |
| CN101650483A (en) | Transparent electrostatic shielding cover | |
| CN203596869U (en) | Oled tv | |
| CN102548377A (en) | Method for hiding electromagnetic shielding of wire cable of server | |
| CN201601943U (en) | Transparent electrostatic shield | |
| CN202494961U (en) | Integrated low-radiation computer | |
| CN202262071U (en) | Flexible circuit board | |
| CN202190278U (en) | Ten-thousand mega modularized switchboard | |
| CN202563397U (en) | All-in-one computer | |
| CN205160996U (en) | Display screen fixing device | |
| CN204595825U (en) | A kind of electromagnetic compatibility infrared touch panel and display | |
| CN205038948U (en) | Improve LED display screen electromagnetic compatibility's circuit | |
| CN203745964U (en) | Multifunctional all-in-one computer | |
| CN203102763U (en) | LED (light emitting diode) ultrathin screen capable of filtering electromagnetic interference | |
| CN203217957U (en) | Light-transmission shielding composite material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20141130 |
|
| EXPY | Termination of patent right or utility model |