CN104835447B - A kind of LED display device and its display methods - Google Patents
A kind of LED display device and its display methods Download PDFInfo
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- CN104835447B CN104835447B CN201410047107.1A CN201410047107A CN104835447B CN 104835447 B CN104835447 B CN 104835447B CN 201410047107 A CN201410047107 A CN 201410047107A CN 104835447 B CN104835447 B CN 104835447B
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Abstract
The invention discloses a kind of LED display device, including LED display panel and controller, drive device is provided between LED display panel and controller, drive device includes power module, image storage module, path storage module, relating module and buffer module, image storage module and path storage module are respectively connecting to relating module, relating module is connected to LED display panel by buffer module, mains supply is powered by power module to LED display panel, and controller is connected with image storage module, path storage module and relating module respectively.The invention also discloses a kind of display methods of LED display device, image and showing paths is combined.The present invention can improve the deficiencies in the prior art, by the combination for changing image He showing paths, further increase display speed, and greatly reduce the storage area needed for data.
Description
Technical field
The present invention relates to technical field of LED display, especially a kind of LED display device and its display methods.
Background technology
Traditional LED display control system, when showing dynamic image, it is necessary to be divided into several completely to scheme animation
Piece, then by all picture deposit LED display control systems.Because such a mode needs the picture of substantial amounts,
One section of continuous animation can be shown, major defect is a large amount of memory spaces for taking LED display controllers, it is easy to occur because
Lack of memory capacity, cause animation not show, and call speed slow, the image request of Fast transforms can not be adapted to.It is existing
In technology, Chinese invention patent CN 100530339C disclose a kind of display methods of mobile terminal, by the use of script,
Improve display speed.But this technical scheme be also built upon picture and path it is separate on the basis of, one can not be entered
Step improves the speed of service and reduces memory space.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of LED display device and its display methods, can improve existing
There is the deficiency of technology, by the combination for changing image He showing paths, further increase display speed, and greatly reduce
Storage area needed for data.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of LED display device, including LED display panel 1 and controller 2, LED display panel 1 and controller 2 it
Between be provided with drive device 3, drive device 3 includes power module 31, image storage module 32, path storage module 33, association
Module 34 and buffer module 35, image storage module 32 and path storage module 33 are respectively connecting to relating module 34, associate mould
Block 34 is connected to LED display panel 1 by buffer module 35, and mains supply is supplied by power module 31 to LED display panel 1
Electricity, controller 2 are connected with image storage module 32, path storage module 33 and relating module 34 respectively, it is characterised in that：
The display command that relating module 34 inputs according to controller 2, corresponding image is transferred from image storage module 32, from
Path storage module 33 is transferred corresponding image and showed paths, and image and image showed paths be associated after pass through buffering
Module 35 exports；Relating module 34 sorts the path degree of being associated associated by the different images of display simultaneously, establishes path
The mapping relations of coordinate, and record into buffer module 35, the storage part of buffer module 35, which sets up separately, is calculated as list structure；For weight
The image and image used again shows paths, and relating module 34 retrieves the record in buffer module 35 first, if there is meeting
Record, then directly invoke the mapping relations of the path coordinate in buffer module 35, export to LED display panel 1.
A kind of method shown using above-mentioned LED display device, is comprised the following steps：
A, the image for needing to show is stored in by image storage module by controller, image is showed paths and is stored in path storage
Storing module；
B, the display command that relating module inputs according to controller, corresponding image is transferred from image storage module, from road
Footpath storage module is transferred corresponding image and showed paths, and image and image showed paths be associated after pass through buffer module
Output；
C, relating module sorts the path degree of being associated associated by the different images of display simultaneously, establishes path coordinate
Mapping relations, and record into buffer module, the storage part of buffer module, which sets up separately, is calculated as list structure；
D, being showed paths for the image and image of reuse, relating module retrieves the record in buffer module first,
If there is record are met, then the mapping relations of the path coordinate in buffer module are directly invoked, are exported to LED display panel,
If not occurring meeting record, stored using step B call methods, and using step C method.
Preferably, in step C, degree of association row is used as in the path associated by different images by the absolute value of coordinate distance
The standard of sequence.
Preferably, in step C, degree of association row is used as in the path associated by different images by the coincidence factor of different images
The standard of sequence.
Preferably, in step C, establish the method that the mapping relations of path coordinate are directly mapped using path coordinate and build
It is vertical.
Preferably, in step C, the mapping relations for establishing path coordinate are straight using the dot product of path coordinate and image coordinate
The method for connecing mapping is established.
It is using beneficial effect caused by above-mentioned technical proposal：Storage of the invention by changing image He showing paths
Deposit, method of calling, image is associated with showing paths, during repeating to show, can utilize in buffer module
Data storage, more than 30% speed of service can be improved on the basis of existing technology by carrying out quick-searching calling；Due to
The combination enriched in the basic data to show paths by establishing mapping relations between path and between image and path is closed
System, avoids data redundancy, and the memory space more than 80% shared by data is reduced on the basis of display function is not changed.
Brief description of the drawings
Fig. 1 is the schematic diagram of hardware components of the present invention.
In figure：1st, LED display panel；2nd, controller；3rd, drive device, 31, power module, 32, image storage module；
33rd, path storage module；34th, relating module；35th, buffer module.
Embodiment
Embodiment 1
Reference picture 1, a kind of LED display device, including LED display panel 1 and controller 2, in the He of LED display panel 1
Drive device 3 is provided between controller 2, drive device 3 includes power module 31, image storage module 32, path storage mould
Block 33, relating module 34 and buffer module 35, image storage module 32 and path storage module 33 are respectively connecting to relating module
34, relating module 34 is connected to LED display panel 1 by buffer module 35, and mains supply is shown by power module 31 to LED
Panel 1 is powered, and controller 2 is connected with image storage module 32, path storage module 33 and relating module 34 respectively.Wherein, control
Device 2 processed uses the S7-200 series of PLC of Siemens Company, it is of course also possible to use similar to single-chip microcomputer or Industrial PC Computer etc.
Other modes are realized, will not be described in detail herein.Power module 31 includes voltage-stablizer and uninterrupted power source, it is ensured that whole display system
The normal work of system.
A kind of method shown using said apparatus, is comprised the following steps：
A, the image for needing to show is stored in by image storage module 32 by controller 2, image is showed paths and is stored in road
Footpath storage module 33；
B, the display command that relating module 34 inputs according to controller 2, corresponding image is transferred from image storage module 32,
From path storage module 33 corresponding image is transferred to show paths, and image and image showed paths be associated after by slow
Die block 35 exports；
C, relating module 34 sorts the path degree of being associated associated by the different images of display simultaneously, establishes path seat
Target mapping relations, and record into buffer module 35, the storage part of buffer module 35, which sets up separately, is calculated as list structure；Wherein, no
It is used as the standard of relational degree taxis by the absolute value of coordinate distance with the path associated by image, establishes the mapping of path coordinate
The method that relation is directly mapped using path coordinate is established.
D, showed paths for the image and image of reuse, relating module 34 retrieves the note in buffer module 35 first
Record, if there is record is met, then the mapping relations of the path coordinate in buffer module 35 are directly invoked, exports to LED and shows
Panel 1, if not occurring meeting record, carried out using the call method described in step B, and using the method described in step C
Storage.
The standard of relational degree taxis is described in detail here, for example, the coordinate of A points is (5,4), the coordinates of B points for (1,
10), then its absolute value is
Path coordinate is directly mapped and is mapped two coordinates using linear function.
The present invention by change image and show paths storage, method of calling, image is associated with showing paths,
During repeating to show, the data storage in buffer module can be utilized, carrying out quick-searching calling can be in existing skill
More than 30% speed of service is improved on the basis of art；Due to rich by establishing mapping relations in the basic data to show paths
Between rich path and the syntagmatic between image and path, data redundancy is avoided, is not changing display function
On the basis of reduce data shared by memory space more than 80%.
Embodiment 2
The hardware construction of the present embodiment is same as Example 1, will not be described in detail herein.
The method shown using described device, is comprised the following steps：
A, the image for needing to show is stored in by image storage module 32 by controller 2, image is showed paths and is stored in road
Footpath storage module 33；
B, the display command that relating module 34 inputs according to controller 2, corresponding image is transferred from image storage module 32,
From path storage module 33 corresponding image is transferred to show paths, and image and image showed paths be associated after by slow
Die block 35 exports；
C, relating module 34 sorts the path degree of being associated associated by the different images of display simultaneously, establishes path seat
Target mapping relations, and record into buffer module 35, the storage part of buffer module 35, which sets up separately, is calculated as list structure；Wherein, no
It is used as the standard of relational degree taxis by the coincidence factor of different images with the path associated by image, establishes the mapping of path coordinate
The method that relation is directly mapped using the dot product of path coordinate and image coordinate is established.
D, showed paths for the image and image of reuse, relating module 34 retrieves the note in buffer module 35 first
Record, if there is record is met, then the mapping relations of the path coordinate in buffer module 35 are directly invoked, exports to LED and shows
Panel 1, if not occurring meeting record, carried out using the call method described in step B, and using the method described in step C
Storage.
The standard of relational degree taxis is described in detail here, the computational methods of coincidence factor are
Overlap points/(overlapping points+separation points).
Path coordinate and the dot product of image coordinate directly map and using path coordinate in preimage set and image coordinates
Path coordinate and the dot product of image coordinate are mapped using linear function during dot product closes with image set.
Embodiment 3
The hardware construction of the present embodiment is same as Example 1, will not be described in detail herein.
The method shown using described device, is comprised the following steps：
A, the image for needing to show is stored in by image storage module 32 by controller 2, image is showed paths and is stored in road
Footpath storage module 33；
B, the display command that relating module 34 inputs according to controller 2, corresponding image is transferred from image storage module 32,
From path storage module 33 corresponding image is transferred to show paths, and image and image showed paths be associated after by slow
Die block 35 exports；
C, relating module 34 sorts the path degree of being associated associated by the different images of display simultaneously, establishes path seat
Target mapping relations, and record into buffer module 35, the storage part of buffer module 35, which sets up separately, is calculated as list structure；Wherein, no
It is used as the mark of relational degree taxis by the coincidence factor of different images and the product of image frequency of use with the path associated by image
Standard, the mapping relations for establishing path coordinate are established using the method for path coordinate and the dot product indirect mappers of image coordinate.
D, showed paths for the image and image of reuse, relating module 34 retrieves the note in buffer module 35 first
Record, if there is record is met, then the mapping relations of the path coordinate in buffer module 35 are directly invoked, exports to LED and shows
Panel 1, if not occurring meeting record, carried out using the call method described in step B, and using the method described in step C
Storage.
Path coordinate and the dot product of image coordinate directly map and using path coordinate in preimage set and image coordinates
Path coordinate and the dot product of image coordinate are mapped using quadratic function during dot product closes with image set.
By the way that prior art and three above embodiment are contrasted, result is obtained：
| Averagely call speed (thousand times/second) | The data space-consuming (Mb) of 1 hour duration | |
| Embodiment 1 | 2 | 65 |
| Embodiment 2 | 3.5 | 50 |
| Embodiment 3 | 6 | 20 |
| Prior art | 1.5 | 350 |
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of LED display device, including LED display panel (1) and controller (2), in LED display panel (1) and control
Drive device (3) is provided between device (2), drive device (3) includes power module (31), image storage module (32), path
Storage module (33), relating module (34) and buffer module (35), image storage module (32) and path storage module (33) point
Relating module (34) is not connected to, and relating module (34) is connected to LED display panel (1), civil power electricity by buffer module (35)
Source is powered by power module (31) to LED display panel (1), and controller (2) stores up with image storage module (32), path respectively
Storing module (33) and relating module (34) connection, it is characterised in that：
The display command that relating module (34) inputs according to controller (2), corresponding image is transferred from image storage module (32),
From path storage module (33) corresponding image is transferred to show paths, and image and image showed paths be associated after pass through
Buffer module (35) exports；Relating module (34) sorts the path degree of being associated associated by the different images of display simultaneously,
The mapping relations of path coordinate are established, and are recorded into buffer module (35), the storage part of buffer module (35), which sets up separately, is calculated as chain
Table structure；Showed paths for the image and image of reuse, relating module (34) is retrieved in buffer module (35) first
Record, if there is record is met, then the mapping relations of the path coordinate in buffer module (35) are directly invoked, are exported to LED
Display panel (1).
2. the method that the LED display device described in a kind of usage right requirement 1 is shown, it is characterised in that including following step
Suddenly：
A, the image for needing to show is stored in by image storage module (32) by controller (2), image is showed paths and is stored in road
Footpath storage module (33)；
B, the display command that relating module (34) inputs according to controller (2), corresponding figure is transferred from image storage module (32)
Picture, transfer corresponding image from path storage module (33) and show paths, and after image and image showed paths being associated
Exported by buffer module (35)；
C, relating module (34) sorts the path degree of being associated associated by the different images of display simultaneously, establishes path coordinate
Mapping relations, and record into buffer module (35), the storage part of buffer module (35), which sets up separately, is calculated as list structure；
D, showed paths for the image and image of reuse, relating module (34) retrieves the note in buffer module (35) first
Record, if there is record is met, then the mapping relations of the path coordinate in buffer module (35) are directly invoked, exports to LED and shows
Show panel (1), if not occurring meeting record, stored using step B call methods, and using step C method.
3. the method that LED display device according to claim 2 is shown, it is characterised in that：It is different in step C
It is used as the standard of relational degree taxis by the absolute value of coordinate distance in path associated by image.
4. the method that LED display device according to claim 2 is shown, it is characterised in that：It is different in step C
It is used as the standard of relational degree taxis by the coincidence factor of different images in path associated by image.
5. the method that LED display device according to claim 2 is shown, it is characterised in that：In step C, establish
The method that the mapping relations of path coordinate are directly mapped using path coordinate is established.
6. the method that LED display device according to claim 2 is shown, it is characterised in that：In step C, establish
The method that the mapping relations of path coordinate are directly mapped using the dot product of path coordinate and image coordinate is established.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410047107.1A CN104835447B (en) | 2014-02-11 | 2014-02-11 | A kind of LED display device and its display methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410047107.1A CN104835447B (en) | 2014-02-11 | 2014-02-11 | A kind of LED display device and its display methods |
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| Publication Number | Publication Date |
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| CN104835447A CN104835447A (en) | 2015-08-12 |
| CN104835447B true CN104835447B (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410047107.1A Expired - Fee Related CN104835447B (en) | 2014-02-11 | 2014-02-11 | A kind of LED display device and its display methods |
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| CN108564917B (en) * | 2018-03-28 | 2021-02-09 | 深德彩科技(深圳)股份有限公司 | LED display screen, display method thereof and device with storage function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6778178B1 (en) * | 2000-11-13 | 2004-08-17 | Ati International, Srl | Memory range access flags for performance optimization |
| CN101089944A (en) * | 2007-07-31 | 2007-12-19 | 中兴通讯股份有限公司 | Display system and method of mobile terminal |
| CN101740006A (en) * | 2008-11-10 | 2010-06-16 | 鸿富锦精密工业（深圳）有限公司 | Mobile terminal and method for displaying picture |
| CN102652321A (en) * | 2009-12-11 | 2012-08-29 | 三菱电机株式会社 | Image synthesis device and image synthesis program |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11316569A (en) * | 1998-05-01 | 1999-11-16 | Koha Co Ltd | Light emission display |
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2014
- 2014-02-11 CN CN201410047107.1A patent/CN104835447B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6778178B1 (en) * | 2000-11-13 | 2004-08-17 | Ati International, Srl | Memory range access flags for performance optimization |
| CN101089944A (en) * | 2007-07-31 | 2007-12-19 | 中兴通讯股份有限公司 | Display system and method of mobile terminal |
| CN101740006A (en) * | 2008-11-10 | 2010-06-16 | 鸿富锦精密工业（深圳）有限公司 | Mobile terminal and method for displaying picture |
| CN102652321A (en) * | 2009-12-11 | 2012-08-29 | 三菱电机株式会社 | Image synthesis device and image synthesis program |
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