CN105430885B - A kind of design method of LED circuit module, LED circuit module and LED display - Google Patents
A kind of design method of LED circuit module, LED circuit module and LED display Download PDFInfo
- Publication number
- CN105430885B CN105430885B CN201511027951.9A CN201511027951A CN105430885B CN 105430885 B CN105430885 B CN 105430885B CN 201511027951 A CN201511027951 A CN 201511027951A CN 105430885 B CN105430885 B CN 105430885B
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- Prior art keywords
- led
- ground plane
- region
- taboo
- circuit module
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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
- 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]
Abstract
The embodiment of the invention discloses a kind of design method of LED circuit module, LED circuit module and LED displays, the LED display device for solving current large area is being spliced by LED module circuit in fact, it is unavoidable to generate piece, and the technical issues of high electromagnetic radiation, will externally be generated by this piece.The design method of LED circuit module of the embodiment of the present invention includes: that ground plane for ground connection is spread in taboo cloth region preset on circuit boards;Antistatic backing is sticked on ground plane.
Description
Technical field
The present invention relates to technical field of LED display more particularly to a kind of design methods of LED circuit module, LED circuit mould
Block and LED display.
Background technique
LED module circuit (being commonly called as lamp plate) is made of LED array and relevant control circuit, it can be achieved that display function.At present
The LED module size of LED display industry for example has 12cm*12cm and two kinds of 24cm*24cm.LED display unit, by quantity difference
LED module circuit splice, it can be achieved that larger sized display function.The LED display unit 48cm* of LED display industry at present
48cm etc..
By the splicing of the LED display unit of different number, so that the display for assembling bigger different display areas is set
It is standby.
It can be said that the LED display device of large area is being spliced by LED module circuit, in prior art in fact
It is unavoidable to generate piece in the case where processing, and electromagnetic radiation will externally be generated by this piece.
Summary of the invention
Design method, LED circuit module and the LED display of a kind of LED circuit module provided in an embodiment of the present invention, solution
The LED display device for current large area of having determined is in fact being spliced by LED module circuit, unavoidable to generate piece,
And the technical issues of high electromagnetic radiation, will externally be generated by this piece.
A kind of design method of LED circuit module provided in an embodiment of the present invention, comprising:
The ground plane for ground connection is spread in preset taboo cloth region on circuit boards;
Antistatic backing is sticked on the ground plane.
Optionally, before the ground plane for ground connection is spread in preset taboo cloth region on circuit boards further include:
The taboo cloth region of preset width is provided on the circuit board, the taboo cloth region is to forbid being laid out electronics
Component region.
Optionally, after the ground plane for ground connection is spread in preset taboo cloth region on circuit boards, in the ground plane
On stick antistatic backing before further include:
Windowing processing is carried out on the taboo cloth region for spreading the ground plane;
The ground plane is copper foil layer.
Optionally, the taboo cloth region that preset width is provided on the circuit board specifically includes:
In the edges of boards of the non-LED element layer of the circuit board of LED module circuit, the taboo of the preset width is inwardly set
Cloth region.
Optionally, the antistatic backing is antistatic material.
Optionally, the antistatic backing is electrostatic preventive cloth.
A kind of LED circuit module provided in an embodiment of the present invention, comprising:
Wiring area and taboo cloth region;
It is provided with ground plane on the taboo cloth region, is provided with antistatic backing on the ground plane.
Optionally, windowed regions are provided on the taboo cloth region for being provided with the ground plane;
The edges of boards for prohibiting the non-wiring area that cloth region is the circuit board inwardly have the taboo of preset width
Only it is laid out the region of electronic component.
Optionally, the ground plane is copper foil layer, and the antistatic backing is electrostatic preventive cloth.
A kind of LED display provided in an embodiment of the present invention, comprising:
Several display units, each display unit back are provided with described in any one referred in the present embodiment
LED circuit module.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
Design method, LED circuit module and the LED display of a kind of LED circuit module provided in an embodiment of the present invention,
The design method of LED circuit module includes: that ground plane for ground connection is spread in taboo cloth region preset on circuit boards;It is being grounded
Antistatic backing is sticked on layer.In the present embodiment, complete barrier layer will be formed by antistatic backing and ground plane, can effectively reduce
For the electromagnetic signal of LED module to external radiation, the LED display device for solving current large area is spelled by LED module circuit in fact
It connects, it is unavoidable to generate piece, and the technical issues of high electromagnetic radiation, will externally be generated by this piece.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is that a kind of process of one embodiment of the design method of LED circuit module provided in an embodiment of the present invention is shown
It is intended to;
Fig. 2 is a kind of process of another embodiment of the design method of LED circuit module provided in an embodiment of the present invention
Schematic diagram;
Fig. 3 is a kind of structural schematic diagram of one embodiment of LED circuit module provided in an embodiment of the present invention;
Fig. 4 to fig. 6 is the schematic diagram of an application examples.
Specific embodiment
Design method, LED circuit module and the LED display of a kind of LED circuit module provided in an embodiment of the present invention, solution
The LED display device for current large area of having determined is in fact being spliced by LED module circuit, unavoidable to generate piece,
And the technical issues of high electromagnetic radiation, will externally be generated by this piece.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
Those of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Referring to Fig. 1, a kind of one embodiment packet of the design method of LED circuit module provided in an embodiment of the present invention
It includes:
101, the ground plane for ground connection is spread in preset taboo cloth region on circuit boards;
In the present embodiment, in order to be effectively reduced or avoid the electromagnetic radiation of LED display, it is necessary first to pre- on circuit boards
Spread the ground plane for ground connection in the taboo cloth region set.
102, antistatic backing is sticked on ground plane.
After the ground plane for ground connection is spread in taboo cloth region preset on circuit boards, need to stick on ground plane
Antistatic backing.
In the present embodiment, complete barrier layer will be formed by antistatic backing and ground plane, can effectively reduce LED module
To external radiation, the LED display device for solving current large area is in fact being spliced by LED module circuit electromagnetic signal,
It is unavoidable to generate piece, and the technical issues of high electromagnetic radiation, will externally be generated by this piece.
Referring to Fig. 1, a kind of one embodiment packet of the design method of LED circuit module provided in an embodiment of the present invention
It includes:
201, it is provided with the taboo cloth region of preset width on circuit boards;
In the present embodiment, in order to be effectively reduced or avoid the electromagnetic radiation of LED display, it is necessary first to set on circuit boards
It is equipped with the taboo cloth region of preset width, prohibiting cloth region is to forbid being laid out electronic component region.
It should be noted that being provided with the taboo cloth region of preset width on circuit boards, can be in LED module circuit
The taboo cloth region of preset width is inwardly arranged in the edges of boards of the non-LED element layer of circuit board.
202, the ground plane for ground connection is spread in preset taboo cloth region on circuit boards;
After being provided with the taboo cloth region of preset width on circuit boards, taboo cloth region preset on circuit boards is needed
The ground plane for ground connection is spread, ground plane is copper foil layer.
203, windowing processing is carried out on the taboo cloth region for spreading ground plane;
After the ground plane for ground connection is spread in taboo cloth region preset on circuit boards, need spreading ground plane
Prohibit and carries out windowing processing on cloth region.
204, antistatic backing is sticked on ground plane.
After carrying out windowing processing on the taboo cloth region for spreading ground plane, need to stick antistatic on ground plane
Layer, antistatic backing is antistatic material, and further, antistatic backing is electrostatic preventive cloth.
Step 201 to 204 is described in detail with an application examples below, as shown in Figures 4 to 6, application examples includes:
1. the taboo cloth of one fixed width is inwardly arranged in the edges of boards of the non-LED element layer of the printed circuit board of LED module circuit
Region (forbids being laid out electronic component), and width is not premised on influencing structure installation, such as Fig. 4 white box;
2. spreading the copper platinum of ground networks in above-mentioned taboo cloth region, and protect it with the ground plane in printed circuit board
Hold good contact;
3. making windowing processing in above-mentioned taboo cloth region, i.e., above-mentioned zone is avoided in the solder mask of printed circuit board, kept away
Exempt from above-mentioned zone to be covered by green oil, such as Fig. 5 white box;
4. making to stick on the taboo cloth region between LED module piece after module after above-mentioned processing is assembled into display unit
Ground plane in electrostatic preventive cloth, electrostatic preventive cloth and module will form complete barrier layer, can effectively reduce the electromagnetism letter of LED module
Number to external radiation, such as Fig. 6 white area.
In the present embodiment, complete barrier layer will be formed by antistatic backing and ground plane, can effectively reduce LED module
To external radiation, the LED display device for solving current large area is in fact being spliced by LED module circuit electromagnetic signal,
It is unavoidable to generate piece, and the technical issues of high electromagnetic radiation, will externally be generated by this piece, LED mould is effectively reduced
Electromagnetic signal in block is to external radiation, so as to improve the electromagnetic environment on LED display device periphery, is conducive to and other electronic products
Compatibility operation plays a certain protective role the installation of equipment, debugging, operation and maintenance personnel.
Referring to Fig. 3, a kind of one embodiment of the LED circuit module provided in the embodiment of the present invention includes:
Wiring area 301 and taboo cloth region 302;
Prohibit and be provided with ground plane 303 on cloth region 302, antistatic backing 304 is provided on ground plane 303.
In the present embodiment, complete barrier layer will be formed by antistatic backing 304 and ground plane 303, can effectively reduce LED
The electromagnetic signal of module to external radiation, the LED display device for solving current large area be in fact spliced by LED module circuit and
Come, it is unavoidable to generate piece, and the technical issues of high electromagnetic radiation, will externally be generated by this piece.
The above is that the structure of LED circuit module is described in detail, and will carry out detailed retouch to additional structure below
It states, referring to Fig. 3, a kind of another embodiment of the LED circuit module provided in the embodiment of the present invention includes:
Wiring area 301 and taboo cloth region 302;
Prohibit and be provided with ground plane 303 on cloth region 302, antistatic backing 304 is provided on ground plane 303.
Windowed regions are provided on the taboo cloth region 302 for being provided with ground plane;
Prohibit cloth region 302 be circuit board non-wiring area edges of boards inwardly have preset width forbid be laid out electronics
The region of component.
Ground plane 303 is copper foil layer, and antistatic backing 304 is antistatic material, and further, antistatic backing 304 is quiet to prevent
Electric cloth.
In the present embodiment, complete barrier layer will be formed by antistatic backing 304 and ground plane 303, can effectively reduce LED
The electromagnetic signal of module to external radiation, the LED display device for solving current large area be in fact spliced by LED module circuit and
Come, it is unavoidable to generate piece, and the technical issues of high electromagnetic radiation, will externally be generated by this piece, it is effectively reduced
Electromagnetic signal in LED module is to external radiation, so as to improve the electromagnetic environment on LED display device periphery, is conducive to and other electricity
Sub- product compatibility operation, plays a certain protective role the installation of equipment, debugging, operation and maintenance personnel.
The embodiment of the present invention also provides a kind of LED display, comprising:
Several display units, each display unit back are provided with the LED circuit module in embodiment as shown in Figure 3.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features;And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (6)
1. a kind of design method of LED circuit module characterized by comprising
The ground plane for ground connection is spread in preset taboo cloth region on circuit boards;
Antistatic backing is sticked on the ground plane;
Before the ground plane for ground connection is spread in preset taboo cloth region on circuit boards further include:
The taboo cloth region of preset width is provided on the circuit board, the taboo cloth region is to forbid being laid out electronics member device
Part region;
After the ground plane for ground connection is spread in preset taboo cloth region on circuit boards, antistatic is sticked on the ground plane
Before layer further include:
Windowing processing is carried out on the taboo cloth region for spreading the ground plane;
The ground plane is copper foil layer;
The taboo cloth region that preset width is provided on the circuit board specifically includes:
In the edges of boards of the non-LED element floor of the circuit board of LED module circuit, the area Jin Bu of the preset width is inwardly set
Domain.
2. the design method of LED circuit module according to claim 1, which is characterized in that the antistatic backing is quiet to prevent
Electric material.
3. the design method of LED circuit module according to claim 2, which is characterized in that the antistatic backing is quiet to prevent
Electric cloth.
4. a kind of LED circuit module characterized by comprising
Wiring area and taboo cloth region;
It is provided with ground plane on the taboo cloth region, is provided with antistatic backing on the ground plane;
Windowed regions are provided on the taboo cloth region for being provided with the ground plane;
What the edges of boards for prohibiting the non-wiring area that cloth region is the circuit board inwardly had a preset width forbids cloth
The region of office's electronic component.
5. LED circuit module according to claim 4, which is characterized in that the ground plane is copper foil layer, the antistatic
Layer is electrostatic preventive cloth.
6. a kind of LED display characterized by comprising
Several display units, each display unit back are arranged just like LED circuit mould described in claim 4 or 5
Block.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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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 |
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Publication Number | Publication Date |
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CN105430885A CN105430885A (en) | 2016-03-23 |
CN105430885B true CN105430885B (en) | 2019-03-01 |
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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 (4)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100244871A1 (en) * | 2009-02-24 | 2010-09-30 | Qualcomm Incorporated | Space transformer connector printed circuit board assembly |
-
2015
- 2015-12-30 CN CN201511027951.9A patent/CN105430885B/en active Active
Patent Citations (4)
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 |
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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CN105430885A (en) | 2016-03-23 |
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