CN105430885A - Design method of LED circuit module, LED circuit module and LED display screen - Google Patents
Design method of LED circuit module, LED circuit module and LED display screen Download PDFInfo
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- CN105430885A CN105430885A CN201511027951.9A CN201511027951A CN105430885A CN 105430885 A CN105430885 A CN 105430885A CN 201511027951 A CN201511027951 A CN 201511027951A CN 105430885 A CN105430885 A CN 105430885A
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- Prior art keywords
- led
- ground plane
- circuit module
- cloth region
- region
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Classifications
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- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0215—Grounding of printed circuits by connection to external grounding means
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
- H05K1/0218—Reduction of cross-talk, noise or electromagnetic interference by printed shielding conductors, ground planes or power plane
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10106—Light emitting diode [LED]
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment in the invention discloses a design method of an LED circuit module, an LED circuit module and an LED display screen. An existing large-area LED display device is obtained through splicing LED module circuits, while, splicing seams can be generated inevitably, and the splicing seams will bright about the technical problem of high electromagnetic radiation to the outside. The design method of the LED circuit module of the invention comprises the following steps that: a grounding layer for grounding is laid on a preset layout-forbidding region on a circuit board; and an anti-static layer is pasted on the grounding layer.
Description
Technical field
The present invention relates to technical field of LED display, particularly relate to a kind of method for designing of LED circuit module, LED circuit module and LED display.
Background technology
LED module circuit (being commonly called as lamp plate) is made up of LED array and relevant control circuit, can realize Presentation Function.The LED module size that current LED shows industry such as has 12cm*12cm and 24cm*24cm two kinds.LED display unit, the LED module circuit different by quantity splices, and can realize larger sized Presentation Function.Current LED shows the LED display unit 48cm*48cm etc. of industry.
By the splicing of the LED display unit of varying number, thus assemble the display device of larger difference display area.
Therefore large-area LED display device is spliced by LED module circuit in fact, when existing processes, unavoidablely can produce piece, and externally will produce electromagnetic radiation by this piece.
Summary of the invention
The method for designing of a kind of LED circuit module that the embodiment of the present invention provides, LED circuit module and LED display, solve current large-area LED display device in fact to be spliced by LED module circuit, unavoidablely can produce piece, and externally will produce the technical problem of high electromagnetic radiation by this piece.
The method for designing of a kind of LED circuit module that the embodiment of the present invention provides, comprising:
The ground plane for ground connection is spread in taboo cloth region preset on circuit boards;
Described ground plane sticks antistatic backing.
Alternatively, preset on circuit boards taboo cloth region also comprises before spreading the ground plane for ground connection:
Described circuit board is provided with the described taboo cloth region of preset width, and described taboo cloth region is for forbidding layout electronic devices and components region.
Alternatively, taboo cloth region preset on circuit boards also comprised stick antistatic backing on described ground plane before after spreading the ground plane for ground connection:
Process of windowing is carried out in the described taboo cloth region of spreading described ground plane;
Described ground plane is copper foil layer.
Alternatively, the described taboo cloth region described circuit board being provided with preset width specifically comprises:
The taboo cloth region of described preset width is inwardly set at the edges of boards of the non-LED element layer of the described circuit board of LED module circuit.
Alternatively, described antistatic backing is antistatic material.
Alternatively, described antistatic backing is electrostatic preventive cloth.
A kind of LED circuit module that the embodiment of the present invention provides, comprising:
Wiring area and taboo cloth region;
Described taboo cloth region is provided with ground plane, described ground plane is provided with antistatic backing.
Alternatively, the described taboo cloth region being provided with described ground plane is provided with windowed regions;
Described taboo cloth region be the non-described wiring area of described circuit board edges of boards inwardly possess the region of forbidding layout electronic devices and components of preset width.
Alternatively, described ground plane is copper foil layer, and described antistatic backing is electrostatic preventive cloth.
A kind of LED display that the embodiment of the present invention provides, comprising:
Several display units, each described display unit back be provided with mention in the present embodiment any one described in LED circuit module.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
The method for designing of a kind of LED circuit module that the embodiment of the present invention provides, LED circuit module and LED display, the method for designing of LED circuit module comprises: the ground plane for ground connection is spread in taboo cloth region preset on circuit boards; Ground plane sticks antistatic backing.In the present embodiment, complete barrier layer will be formed by antistatic backing and ground plane, effectively can reduce the electromagnetic signal of LED module to external radiation, solve current large-area LED display device in fact to be spliced by LED module circuit, unavoidablely can produce piece, and externally will produce the technical problem of high electromagnetic radiation by this piece.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of an embodiment of the method for designing of a kind of LED circuit module that Fig. 1 provides for the embodiment of the present invention;
The schematic flow sheet of another embodiment of the method for designing of a kind of LED circuit module that Fig. 2 provides for the embodiment of the present invention;
The structural representation of an embodiment of a kind of LED circuit module that Fig. 3 provides for the embodiment of the present invention;
Fig. 4 to Fig. 6 is the schematic diagram of an application examples.
Embodiment
The method for designing of a kind of LED circuit module that the embodiment of the present invention provides, LED circuit module and LED display, solve current large-area LED display device in fact to be spliced by LED module circuit, unavoidablely can produce piece, and externally will produce the technical problem of high electromagnetic radiation by this piece.
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiments, and the embodiment of not all.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, an embodiment of the method for designing of a kind of LED circuit module that the embodiment of the present invention provides comprises:
101, the ground plane for ground connection is spread in preset on circuit boards taboo cloth region;
In the present embodiment, in order to effectively reduce or avoid the electromagnetic radiation of LED display, taboo cloth region preset on circuit boards is first needed to spread ground plane for ground connection.
102, on ground plane, antistatic backing is sticked.
After the ground plane for ground connection is spread in taboo cloth region preset on circuit boards, need to stick antistatic backing on ground plane.
In the present embodiment, complete barrier layer will be formed by antistatic backing and ground plane, effectively can reduce the electromagnetic signal of LED module to external radiation, solve current large-area LED display device in fact to be spliced by LED module circuit, unavoidablely can produce piece, and externally will produce the technical problem of high electromagnetic radiation by this piece.
Refer to Fig. 1, an embodiment of the method for designing of a kind of LED circuit module that the embodiment of the present invention provides comprises:
201, the taboo cloth region of preset width is provided with on circuit boards;
In the present embodiment, in order to effectively reduce or avoid the electromagnetic radiation of LED display, first needing the taboo cloth region being provided with preset width on circuit boards, prohibiting cloth region for forbidding layout electronic devices and components region.
It should be noted that, be provided with the taboo cloth region of preset width on circuit boards, can be the taboo cloth region that the edges of boards of the non-LED element layer of the circuit board at LED module circuit inwardly arrange preset width.
202, the ground plane for ground connection is spread in preset on circuit boards taboo cloth region;
After the taboo cloth region being provided with preset width on circuit boards, need taboo cloth region preset on circuit boards to spread ground plane for ground connection, ground plane is copper foil layer.
203, on the taboo cloth region of spreading ground plane, process of windowing is carried out;
After the ground plane for ground connection is spread in taboo cloth region preset on circuit boards, need to carry out process of windowing on the taboo cloth region of spreading ground plane.
204, on ground plane, antistatic backing is sticked.
After processing when carrying out windowing on the taboo cloth region of spreading ground plane, need to stick antistatic backing on ground plane, antistatic backing is antistatic material, and further, antistatic backing is electrostatic preventive cloth.
Be described in detail to 204 step 201 with an application examples below, as shown in Figures 4 to 6, application examples comprises:
1. the taboo cloth region (forbidding layout electronic devices and components) of one fixed width is inwardly set at the edges of boards of the non-LED element layer of the printed circuit board (PCB) of LED module circuit, width not affect premised on structure installment, as Fig. 4 white box;
2. in above-mentioned taboo cloth region, spread the copper platinum of ground networks, and make the ground plane in it and printed circuit board (PCB) keep good contact;
3. to window in above-mentioned taboo cloth region process, namely in the solder mask of printed circuit board (PCB), avoid above-mentioned zone, avoid above-mentioned zone to be covered by green oil, as Fig. 5 white box;
4. after after doing above-mentioned process, module is assembled into display unit, electrostatic preventive cloth is sticked in taboo cloth region between LED module piece, ground plane in electrostatic preventive cloth and module will form complete barrier layer, effectively can reduce the electromagnetic signal of LED module to external radiation, as Fig. 6 white portion.
In the present embodiment, complete barrier layer will be formed by antistatic backing and ground plane, effectively can reduce the electromagnetic signal of LED module to external radiation, solve current large-area LED display device in fact to be spliced by LED module circuit, unavoidablely piece can be produced, and the technical problem of high electromagnetic radiation externally will be produced by this piece, electromagnetic signal in effective reduction LED module is to external radiation, thus improve the electromagnetic environment of LED display device periphery, be conducive to and other electronic product compatibility operation, to the installation of equipment, debugging, operation and attendant play certain protective effect.
Refer to Fig. 3, an embodiment of a kind of LED circuit module provided in the embodiment of the present invention comprises:
Wiring area 301 and taboo cloth region 302;
Prohibit on cloth region 302 and be provided with ground plane 303, ground plane 303 is provided with antistatic backing 304.
In the present embodiment, complete barrier layer will be formed by antistatic backing 304 and ground plane 303, effectively can reduce the electromagnetic signal of LED module to external radiation, solve current large-area LED display device in fact to be spliced by LED module circuit, unavoidablely can produce piece, and externally will produce the technical problem of high electromagnetic radiation by this piece.
The above is described in detail the structure of LED circuit module, will be described in detail below, and refer to Fig. 3 to additional structure, and another embodiment of a kind of LED circuit module provided in the embodiment of the present invention comprises:
Wiring area 301 and taboo cloth region 302;
Prohibit on cloth region 302 and be provided with ground plane 303, ground plane 303 is provided with antistatic backing 304.
The taboo cloth region 302 being provided with ground plane is provided with windowed regions;
Prohibit cloth region 302 be the non-wiring area of circuit board edges of boards inwardly possess the region of forbidding layout electronic devices and components of preset width.
Ground plane 303 is copper foil layer, and antistatic backing 304 is antistatic material, and further, antistatic backing 304 is electrostatic preventive cloth.
In the present embodiment, complete barrier layer will be formed by antistatic backing 304 and ground plane 303, effectively can reduce the electromagnetic signal of LED module to external radiation, solve current large-area LED display device in fact to be spliced by LED module circuit, unavoidablely piece can be produced, and the technical problem of high electromagnetic radiation externally will be produced by this piece, electromagnetic signal in effective reduction LED module is to external radiation, thus improve the electromagnetic environment of LED display device periphery, be conducive to and other electronic product compatibility operation, to the installation of equipment, debugging, operation and attendant play certain protective effect.
The embodiment of the present invention also provides a kind of LED display, comprising:
Several display units, each display unit back is provided with the LED circuit module in embodiment as shown in Figure 3.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a method for designing for LED circuit module, is characterized in that, comprising:
The ground plane for ground connection is spread in taboo cloth region preset on circuit boards;
Described ground plane sticks antistatic backing.
2. the method for designing of LED circuit module according to claim 1, is characterized in that, taboo cloth region preset on circuit boards also comprises before spreading the ground plane for ground connection:
Described circuit board is provided with the described taboo cloth region of preset width, and described taboo cloth region is for forbidding layout electronic devices and components region.
3. the method for designing of LED circuit module according to claim 2, is characterized in that, taboo cloth region preset on circuit boards also comprised stick antistatic backing on described ground plane before after spreading the ground plane for ground connection:
Process of windowing is carried out in the described taboo cloth region of spreading described ground plane;
Described ground plane is copper foil layer.
4. the method for designing of LED circuit module according to claim 2, is characterized in that, the described taboo cloth region that described circuit board is provided with preset width specifically comprises:
The taboo cloth region of described preset width is inwardly set at the edges of boards of the non-LED element layer of the described circuit board of LED module circuit.
5. the method for designing of LED circuit module as claimed in any of claims 1 to 4, is characterized in that, described antistatic backing is antistatic material.
6. the method for designing of LED circuit module according to claim 5, is characterized in that, described antistatic backing is electrostatic preventive cloth.
7. a LED circuit module, is characterized in that, comprising:
Wiring area and taboo cloth region;
Described taboo cloth region is provided with ground plane, described ground plane is provided with antistatic backing.
8. LED circuit module according to claim 7, is characterized in that, the described taboo cloth region being provided with described ground plane is provided with windowed regions;
Described taboo cloth region be the non-described wiring area of described circuit board edges of boards inwardly possess the region of forbidding layout electronic devices and components of preset width.
9. the LED circuit module according to claim 7 or 8, is characterized in that, described ground plane is copper foil layer, and described antistatic backing is electrostatic preventive cloth.
10. a LED display, is characterized in that, comprising:
Several display units, each described display unit back is provided with as the LED circuit module in claim 7 to 9 as described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027951.9A CN105430885B (en) | 2015-12-30 | 2015-12-30 | A kind of design method of LED circuit module, LED circuit module and LED display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027951.9A CN105430885B (en) | 2015-12-30 | 2015-12-30 | A kind of design method of LED circuit module, LED circuit module and LED display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105430885A true CN105430885A (en) | 2016-03-23 |
| CN105430885B CN105430885B (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511027951.9A Active CN105430885B (en) | 2015-12-30 | 2015-12-30 | A kind of design method of LED circuit module, LED circuit module and LED display |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174611A (en) * | 2006-10-30 | 2008-05-07 | 三星电子株式会社 | Multi-ground shielding semiconductor package, method of fabricating the package, and method of preventing noise using multi-ground shielding |
| US20100244871A1 (en) * | 2009-02-24 | 2010-09-30 | Qualcomm Incorporated | Space transformer connector printed circuit board assembly |
| CN102982744A (en) * | 2012-12-17 | 2013-03-20 | 广东威创视讯科技股份有限公司 | Display module of LED (light emitting diode) |
| CN203896585U (en) * | 2014-06-19 | 2014-10-22 | 深圳市科特通光电有限公司 | Anti-interference FPC |
| CN104333974A (en) * | 2014-11-14 | 2015-02-04 | 镇江华印电路板有限公司 | Electromagnetic wave interference resistant rigid-flex board |
-
2015
- 2015-12-30 CN CN201511027951.9A patent/CN105430885B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174611A (en) * | 2006-10-30 | 2008-05-07 | 三星电子株式会社 | Multi-ground shielding semiconductor package, method of fabricating the package, and method of preventing noise using multi-ground shielding |
| US20100244871A1 (en) * | 2009-02-24 | 2010-09-30 | Qualcomm Incorporated | Space transformer connector printed circuit board assembly |
| CN102982744A (en) * | 2012-12-17 | 2013-03-20 | 广东威创视讯科技股份有限公司 | Display module of LED (light emitting diode) |
| CN203896585U (en) * | 2014-06-19 | 2014-10-22 | 深圳市科特通光电有限公司 | Anti-interference FPC |
| CN104333974A (en) * | 2014-11-14 | 2015-02-04 | 镇江华印电路板有限公司 | Electromagnetic wave interference resistant rigid-flex board |
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| Publication number | Publication date |
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| CN105430885B (en) | 2019-03-01 |
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