CN210271621U - Electromagnetic interference resistance's dysmorphism LED display screen module - Google Patents
Electromagnetic interference resistance's dysmorphism LED display screen module Download PDFInfo
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- CN210271621U CN210271621U CN201921835127.XU CN201921835127U CN210271621U CN 210271621 U CN210271621 U CN 210271621U CN 201921835127 U CN201921835127 U CN 201921835127U CN 210271621 U CN210271621 U CN 210271621U
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Abstract
The utility model discloses an electromagnetic interference resistant special-shaped LED display screen module, which mainly comprises a horizontal polaroid, a color filter, a lamp bead plate, a TFT glass layer, a vertical polaroid, a driving circuit board and a plastic frame body external member; the equipment is not influenced by the earth magnetic field, the surrounding electronic communication equipment and the electromagnetic wave signals of the power equipment when in use, and has good electrostatic protection function of the electronic equipment. Meanwhile, when the PCB is designed, reasonable circuit layout is carried out, the layers of electronic elements are distributed in a separated way, and an electromagnetic interference filter is added, so that the electromagnetic interference among the layers is reduced; the product has good electromagnetic interference resistance effect besides good low-pass filtering effect.
Description
Technical Field
The utility model relates to a LED display screen correlation field, specifically electromagnetic interference resistance's special-shaped LED display screen module is specifically.
Background
Most LED display screen manufacturers nowadays almost face the problem of heat dissipation during PCB design, especially because the heat generated by the driving chip affects the normal luminous performance of the LED; thereby affecting the color uniformity of the entire display screen. In order to solve the heat dissipation problem, the design of separating the lamp driver is mostly adopted in the existing design. That is to say LED lamp plate and drive chip board are put respectively on two different PCB boards, and the rethread bank needle welding is in the same place. At present, a plurality of LED display screen modules with different structures and functions are also provided.
Through search, the utility model of patent No. CN201620302455.3 discloses an impact-resistant LED display screen module; including interconnect's the face guard body and the base body, form the cavity between the face guard body and the base body, be equipped with the light source body in the cavity, the light source body coats and is stamped the light source fixed body.
Patent number CN 201220097126.1's utility model discloses a LED display screen module of lamp driving unification belongs to the LED display screen field, including lamp plate and external member. The lamp panel has front and back, and LED fluorescent tube is inserted to the front, and the direct subsides of back pastes the driver chip, and driver chip adopts QFN packaging technology, and lamp panel and external member adopt the screw connection.
Patent number CN 201721710597.4's utility model relates to a LED display screen module and base thereof, the base includes drain pan and frame, and the frame is annular hoop limit structure, and the frame overlaps in the periphery of a LED lamp plate, and the LED lamp plate combines the integral type with the frame and installs on the drain pan, and the frame laminating is marginal all around in the drain pan.
However, with the increase of the personalized aesthetic requirements of the public in recent years and the increasing complexity of the installation environment of the LED display screen, the traditional method has just corrected the single display mode of the LED display screen, which brings serious aesthetic fatigue to the public, and meanwhile, the phenomena of bright lines, screen splash, signal flicker and the like often occur due to the fact that the single display mode cannot be electromagnetically compatible with the electronic equipment in the complex installation scene. Therefore, the anti-electromagnetic interference special-shaped LED display module is developed, the stability of signals can be kept in the environment of electromagnetic signal interference, and high-quality display content playing is realized.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above insufficiency, the utility model provides an electromagnetic interference resistance's special-shaped LED display screen module here. Therefore, the anti-electromagnetic interference special-shaped LED display module is developed, the stability of signals can be kept in the environment of electromagnetic signal interference, and high-quality display content playing is realized.
The utility model is realized in such a way that an electromagnetic interference resistant special-shaped LED display screen module is constructed, and the main body part of the LED display screen module consists of a horizontal polaroid, a color filter, a lamp bead plate, a TFT glass layer, a vertical polaroid and a driving circuit board; a TFT glass layer and a vertical polarizer are embedded between the lamp bead plate and the driving circuit board, and a horizontal polarizer and a color filter are arranged on the outer layer of the lamp panel group; in addition, the signal input end of the driving circuit board is connected with an electromagnetic interference filter, and is externally connected with an external signal end through the electromagnetic interference filter. The color filter mainly comprises a horizontal polaroid, a color filter, a lamp bead plate, a TFT glass layer, a vertical polaroid, a driving circuit board and a plastic frame set (the lamp bead plate and the driving circuit board can adopt the existing lamp bead plate and driving circuit structure); the equipment is not influenced by the earth magnetic field, the surrounding electronic communication equipment and the electromagnetic wave signals of the power equipment when in use, and has good electrostatic protection function of the electronic equipment. Meanwhile, when the PCB is designed, reasonable circuit layout is carried out, the layers of electronic elements are distributed in a separated way, and an electromagnetic interference filter is added, so that the electromagnetic interference among the layers is reduced; the product has good electromagnetic interference resistance effect besides good low-pass filtering effect.
The utility model has the advantages of as follows:
the method has the advantages that: the utility model mainly comprises a horizontal polaroid, a color filter, a lamp bead plate, a TFT glass layer, a vertical polaroid, a driving circuit board and a plastic frame external member (the lamp bead plate and the driving circuit board can adopt the existing lamp bead plate and driving circuit structure); the equipment is not influenced by the earth magnetic field, the surrounding electronic communication equipment and the electromagnetic wave signals of the power equipment when in use, and has good electrostatic protection function of the electronic equipment. Meanwhile, when the PCB is designed, reasonable circuit layout is carried out, the layers of electronic elements are distributed in a separated way, and an electromagnetic interference filter is added, so that the electromagnetic interference among the layers is reduced; the product has good electromagnetic interference resistance effect besides good low-pass filtering effect.
The method has the advantages that: the PCB circuit board for fixing the LED display screen lamp beads adopts a flexible soft board, and the face shield and the bottom shell both adopt rubber. Electromagnetic interference signals can be significantly reduced to maintain the normal operation of the protected circuit by using an electromagnetic interference filter having a line capacitance of about 27 picofarads (pF), an operating frequency of 800 megahertz (MHz), and a power loss of up to-23 dB. The magnetic ring is used for inhibiting interference, and electronic elements with strong anti-electromagnetic interference capability are adopted to replace the electronic elements in the traditional PCB. Reducing the distribution parameters of the electrons and reducing the electromagnetic interference among the electrons.
The method has the advantages that: a flame-retardant layer is arranged below the driving circuit board and can be bonded below the driving circuit board; the purpose is to enhance the flame retardant properties of the product.
The advantages are that: a buckle interface is formed on the back surface of the bottom frame; as shown in fig. 2, the purpose of providing the snap interface is to facilitate the snap connection of the bottom frame with the outside. Secondly, the driving circuit board is a flexible PCB circuit soft board; the front frame and the bottom frame are made of rubber.
Drawings
Fig. 1 is a schematic view illustrating the components of the electromagnetic interference preventing LED display screen module of the present invention;
fig. 2 is a schematic view of the fixing frame corresponding to the electromagnetic interference preventing LED display screen module of the present invention.
Wherein: horizontal polaroid 1, color filter 2, lamp pearl board 3, TFT glass layer 4, perpendicular polaroid 5, drive circuit board 6, electromagnetic interference filter 7, fire-retardant layer 8, preceding frame 9, underframe 10, static inoxidizing coating 11, buckle interface 12.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings 1-2, wherein the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses an improve and provide an electromagnetic interference resistance's special-shaped LED display screen module here, as shown in fig. 1, constitute the main part of this LED display screen module by horizontal polaroid 1, color filter 2, lamp pearl board 3, TFT glass layer 4, perpendicular polaroid 5, drive circuit board 6.
A TFT glass layer 4 and a vertical polarizer 5 are embedded between the lamp bead plate 3 and the driving circuit board 6, and a horizontal polarizer 1 and a color filter 2 are arranged on the outer layer of the lamp panel group 3; in addition, the signal input end of the driving circuit board 6 is connected with an electromagnetic interference filter 7, and is externally connected with an external signal end through the electromagnetic interference filter 7. The LED display screen module mainly comprises a horizontal polaroid 1, a color filter 2, a lamp bead plate 3, a TFT glass layer 4, a vertical polaroid 5, a driving circuit board 6 and a plastic frame body suite, so that the display screen module can be perfectly fused with changeable and complex display scenes, reasonable circuit layout is performed during the design of a PCB (printed circuit board), the layers of electronic components are distributed in a separated manner, and an electromagnetic interference filter is added to reduce the electromagnetic interference among the layers; the product has good electromagnetic interference resistance effect besides good low-pass filtering effect.
In addition, the main body part of the LED display screen module is integrally bonded in a fixed frame body consisting of a front frame 9 and a bottom frame 10, and the front frame 9 and the bottom frame 10 are both made of rubber. The back of the bottom frame 10 is formed with a fastening interface 12; as shown in fig. 2, the snap interface 12 is provided to facilitate the snap connection of the base frame 10 with the outside. A transparent static protection layer 11 is adhered in a surface window of the front frame 9; when the electrostatic protection layer is implemented, the electrostatic protection layer 11 is an antistatic adhesive tape, so that the product has a good electrostatic protection effect besides a good low-pass filtering effect.
In addition, the driving circuit board 6 is a flexible PCB circuit soft board; the flame-retardant layer 8 is arranged below the driving circuit board 6, and the flame-retardant layer 8 can be bonded below the driving circuit board 6, so that the flame-retardant property of the product is enhanced.
To sum up, the utility model provides a LED display module, which mainly comprises a horizontal polarizer 1, a color filter 2, a lamp bead plate 3, a TFT glass layer 4, a vertical polarizer 5, a driving circuit board 6 and a plastic frame external member (the lamp bead plate 3 and the driving circuit board 6 can adopt the existing lamp bead plate and driving circuit structure); the equipment is not influenced by the earth magnetic field, the surrounding electronic communication equipment and the electromagnetic wave signals of the power equipment when in use, and has good electrostatic protection function of the electronic equipment. The PCB circuit board for fixing the LED display screen lamp beads adopts a flexible soft board, and the face shield and the bottom shell both adopt rubber. Electromagnetic interference signals can be significantly reduced to maintain the normal operation of the protected circuit by using an electromagnetic interference filter having a line capacitance of about 27 picofarads (pF), an operating frequency of 800 megahertz (MHz), and a power loss of up to-23 dB. The magnetic ring is used for inhibiting interference, and electronic elements with strong anti-electromagnetic interference capability are adopted to replace the electronic elements in the traditional PCB. Reducing the distribution parameters of the electrons and reducing the electromagnetic interference among the electrons.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The utility model provides an electromagnetic interference resistance's special-shaped LED display screen module which characterized in that: the LED display screen module comprises a main body part of the LED display screen module, wherein the main body part of the LED display screen module comprises a horizontal polaroid (1), a color filter (2), a lamp bead plate (3), a TFT glass layer (4), a vertical polaroid (5) and a driving circuit board (6);
a TFT glass layer (4) and a vertical polarizer (5) are embedded between the lamp bead plate (3) and the driving circuit board (6), and a horizontal polarizer (1) and a color filter (2) are arranged on the outer layer of the lamp bead plate (3); the signal input end of the driving circuit board (6) is connected with an electromagnetic interference filter (7), and is externally connected with an external signal end through the electromagnetic interference filter (7).
2. The electromagnetic interference prevention special-shaped LED display screen module as recited in claim 1, wherein: the main body part of the LED display screen module is integrally bonded in a fixed frame body consisting of a front frame (9) and a bottom frame (10); the front frame (9) and the bottom frame (10) are made of rubber; a fastening interface (12) is formed on the back surface of the bottom frame (10); a transparent static protection layer (11) is bonded in a surface window of the front frame (9); the static protection layer (11) is an anti-static adhesive tape.
3. The electromagnetic interference prevention special-shaped LED display screen module as recited in claim 1, wherein: the driving circuit board (6) is a flexible PCB circuit soft board.
4. The electromagnetic interference prevention special-shaped LED display screen module as recited in claim 3, wherein: and a flame-retardant layer (8) is arranged below the driving circuit board (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921835127.XU CN210271621U (en) | 2019-10-29 | 2019-10-29 | Electromagnetic interference resistance's dysmorphism LED display screen module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921835127.XU CN210271621U (en) | 2019-10-29 | 2019-10-29 | Electromagnetic interference resistance's dysmorphism LED display screen module |
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| CN210271621U true CN210271621U (en) | 2020-04-07 |
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| CN201921835127.XU Active CN210271621U (en) | 2019-10-29 | 2019-10-29 | Electromagnetic interference resistance's dysmorphism LED display screen module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114120851A (en) * | 2021-11-26 | 2022-03-01 | 中国人民解放军国防科技大学 | Special-shaped LED display screen forming method and special-shaped cabinet door |
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2019
- 2019-10-29 CN CN201921835127.XU patent/CN210271621U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114120851A (en) * | 2021-11-26 | 2022-03-01 | 中国人民解放军国防科技大学 | Special-shaped LED display screen forming method and special-shaped cabinet door |
| CN114120851B (en) * | 2021-11-26 | 2023-07-28 | 中国人民解放军国防科技大学 | Forming method of special-shaped LED display screen and special-shaped cabinet door |
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Denomination of utility model: A special-shaped LED display module against electromagnetic interference Effective date of registration: 20220720 Granted publication date: 20200407 Pledgee: Ji'nan finance Company limited by guarantee Pledgor: SHANDONG TIAN JING ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2022980010918 |