CN107331343A - A kind of display screen and data transfer path planing method, resolution ratio expanding method - Google Patents
A kind of display screen and data transfer path planing method, resolution ratio expanding method Download PDFInfo
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- CN107331343A CN107331343A CN201710552689.2A CN201710552689A CN107331343A CN 107331343 A CN107331343 A CN 107331343A CN 201710552689 A CN201710552689 A CN 201710552689A CN 107331343 A CN107331343 A CN 107331343A
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- 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]
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Abstract
The invention discloses a kind of display screen and data transfer path planing method, resolution ratio expanding method, including：If the picture element matrix in display screen belongs to 2M×2MWhole picture element matrix, then be filled to determine transfer of pixel data direction by the square formation of structure based on input using two kinds of foundation as a filling region with exporting the base pixel mode for principle of keeping to the side to filling region；Otherwise, the picture element matrix in display screen is gone out into multiple filling regions according to region division regular partition, each filling region belongs to 2M×2MThe square formation of structure, and the fill order of filling region is determined based on fill rule, according still further to the fill order of determination, filling region is filled using two kinds of base pixel modes of foundation to determine transfer of pixel data direction.The data stream transmitting mode of the present invention is flexible, it is possible to achieve local extension is carried out to display resolution, while adding the flexibility solved when sub-fraction breaks down.
Description
Technical field
The present invention relates to field of LED display, more particularly to a kind of display screen and data transfer path planing method, resolution
Rate expanding method.
Background technology
In traditional LED display, the transmission direction of data flow is vertical after first level between each pixel, such as Fig. 1 institutes
Show, the transmission direction of data flow is LED (0,0) → LED (0,1) →...→ LED (0,15) → LED (1,0) → LED (1,1)
→...→ LED (7,0) →...→ LED (7,15), in this case, when certain sub-fraction therein breaks down, is singly replaced
Change that the faulty component is not typically possible, often replace a module where the part, due to faulty component generally only
It is a very little part of module, here virtually adds maintenance cost.In addition, in some LED display application scenarios,
The complexity of content shown by different display locations is different, and generally has relative stability, i.e., always have some
Viewing area needs to show more complicated content than other viewing areas, right if increasing the resolution ratio of entire display screen simultaneously
It is probably then a kind of waste to be not usually required to those for the viewing area of higher resolution, is needed for this according to display content
Compromised between display resolution and cost.
The content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, there is provided a kind of display screen and number
According to transmission path planing method, resolution ratio expanding method.
The technical solution adopted for the present invention to solve the technical problems is：Construct a kind of screen data transmission path planning
Method, including：
If the picture element matrix in display screen belongs to 2M×2MThe square formation of structure, then fill out whole picture element matrix as one
Region is filled, filling region is filled out based on the base pixel mode for inputting and exporting principle of keeping to the side using two kinds of foundation
It is filled with determination transfer of pixel data direction；
Otherwise, the picture element matrix in display screen is gone out into multiple filling regions according to region division regular partition, each filling
Region belongs to 2M×2MThe square formation of structure, and the fill order of filling region is determined based on fill rule, according still further to filling out for determination
Order is filled, filling region is filled using two kinds of base pixel modes of foundation to determine transfer of pixel data side
To.
Preferably, the base pixel mode is 2 × 2 array structure, keep to the side two pictures in array structure
Element is the data entry point and data output point of whole array structure, and data are along pixel transmission adjacent in array structure, the
In a kind of array structure of base pixel mode data transfer direction be it is counterclockwise, second base pixel mode
Data transfer direction is clockwise in array structure.
Preferably, the division rule includes：
If the line number and columns of picture element matrix are even number, since the upper left corner of picture element matrix, according to from top to bottom
Order from left to right, mark off successively allowed belong to 2M×2MThe maximum square formation of structure is used as filling region；
If the line number and/or columns of the picture element matrix in display screen are odd number, by the first row of top and/or right
Pixel of last row reserve, handled for remaining picture element matrix according to line number and columns for the situation of even number；
Methods described also includes：If there is reserved pixel, then the two kinds of base pixel modes pair set up are being utilized
Filling region is filled to determine behind transfer of pixel data direction, the picture of the data input based on whole transmission path and output
The transmission sequence of element, it is determined that the transfer of pixel data direction of reserved pixel.
Preferably, the fill rule includes：If each filling region constitutes 2 × 2 array structure, base is directly selected
The fill order of a kind of each filling region of determination in this pixel transmission model, otherwise by the filling region in the upper left corner as
One filling region, often determines the fill order of a filling region, as target area, performs following logic decision：
If there is the filling region for not determining fill order below target area, continuation judges that target area top is
No presence does not determine the filling region of fill order and the filling region for not determining fill order is not present in right, if it is,
Target area is decomposed into 2 × 24 filling regions, and selects the upper left filling region after decomposing to take over target
The fill order in region；Otherwise, the filling region for not determining fill order most kept left below selection target region is under
One filling region；
If above target area and right has the filling region for not determining fill order simultaneously, continue to judge top
Do not determine whether the filling region of fill order is located at the top that right does not determine the filling region of fill order, if it is,
Right not determined to, the filling region of fill order, as next filling region, does not otherwise determine top filling out for fill order
Region is filled as next filling region；
If there is a fill area for not determining fill order in target area only right or only left or only top
Domain, then do not determine right or top that the filling region of fill order is used as next filling region；
If target area left and top have the filling region for not determining fill order simultaneously, continuation judges left
The left of the filling region filling region whether above for not determining fill order of fill order is not determined, if it is,
Top not determined to, the filling region of fill order, as next filling region, does not otherwise determine left filling out for fill order
Region is filled as next filling region；
If there are multiple filling regions for not determining fill order in target area right, selection target region right
The filling region for not determining fill order most on the lower is used as next filling region.
Specifically included preferably, being filled using two kinds of base pixel modes of foundation to filling region：
Filling region is carried out successively to decompose until can not decompose, a filling region is decomposed into 2 × 2 by each layer of decomposition
4 filling regions；
For the filling region that each is decomposed, select a kind of according to the position of one thereon and next filling region
Pixel transmission model determines the fill order of 4 filling regions after its decomposition；Wherein, when initial filling region is one,
Randomly choose the fill order that a kind of pixel transmission model determines 4 filling regions after its decomposition；It is many in initial filling region
When one, for first filling region, the position for principle and the next filling region of being kept to the side according to input and output, choosing
Select the fill order that a kind of pixel transmission model determines 4 filling regions after its decomposition；For last filling region root
The position for principle and the upper filling region of being kept to the side according to input and output, selects a kind of pixel transmission model to determine after its decomposition
4 filling regions fill order；
According to the fill order for all filling regions that can not finally decompose, the data of the picture element matrix in display screen are determined
Transmission direction.
A kind of display resolution expanding method is also claimed in the present invention, including：
At least one base pixel in the display screen that will be designed using claim 1 methods described is expanded, by it
Expand as 2M×2MThe pixel square formation of structure；
The pixel expanded is considered as a filling region, using two kinds of base pixel modes of foundation to the filling
Region is filled to determine the data transfer direction of the pixel square formation after expanding.
A kind of display screen, including the picture element matrix that LED is constituted is also claimed in the present invention, is differentiated using screen as indicated above
Rate expanding method is expanded at least one base pixel in picture element matrix.
Implement the display screen and data transfer path planing method, resolution ratio expanding method of the present invention, with following beneficial
Effect：The data stream transmitting mode of the present invention is flexible, it is possible to achieve local extension is carried out to display resolution, increases simultaneously
Solve flexibility when sub-fraction breaks down.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings：
Fig. 1 is the transmission direction schematic diagram of traditional LED display data flow；
Fig. 2 is two kinds of base pixel mode schematic diagrames of the present invention；
Fig. 3 is that the picture element matrix in display screen is odd-numbered line and the path planning schematic diagram of odd column；
Fig. 4 is the path planning process schematic of embodiment one；
Fig. 5 is the path planning process schematic of embodiment two；
Fig. 6 is the path planning process schematic of embodiment three；
Fig. 7 is that display resolution expands schematic diagram.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the exemplary embodiments of the present invention.But, the present invention can be realized in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose that these embodiments are provided be make to the disclosure more it is thorough comprehensively.
It should be noted that term as used herein "left", "right" and similar statement simply to illustrate that mesh
's.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
In order to be better understood from technical scheme, below in conjunction with Figure of description and specific embodiment
Technical scheme is described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are
To the detailed description of technical scheme, rather than the restriction to technical scheme, in the case where not conflicting, this
Technical characteristic in inventive embodiments and embodiment can be mutually combined.
The screen data transmission path planing method of the present invention mainly includes：
If the picture element matrix in S100, display screen belongs to 2M×2MThe square formation of structure, M is natural number, then by whole pixel
Matrix is used as a filling region, the base pixel mode pair for principle of being kept to the side using two kinds of foundation based on input and output
Filling region is filled to determine transfer of pixel data direction；
Wherein, with reference to Fig. 2, specifically, base pixel mode is 2 × 2 array structure, keeping to the side in array structure
Two pixels be the data entry point and data output point (i.e. input is kept to the side principle with output) of whole array structure, data edge
Pixel transmission adjacent in array structure.The black arrows show data flow of white background is to, white with black arrow identical with the direction of arrow in figure
Head represents that data flow is opposite with the direction of arrow.The 1st, 3 width figures in Fig. 2 illustrate that the first base pixel mode,
Data transfer direction is counterclockwise in its array structure：LED(0,0)→LED(0,1)→LED(0,2)→LED(0,3).In Fig. 2
2nd, 4 width figures illustrate that second of base pixel mode, and data transfer direction is clockwise in its array structure：LED
(0,0)→LED(0,1)→LED(0,2)→LED(0,3)。
For two kinds of data flows of 2 × 2 pixels represented in Fig. 2, same type display module can be used, simply should
The data transfer of display module is operated in forward mode and countercurrent fashion respectively, and this can be by setting bidirectional data transfers to drive
The mode of operation of chip reaches, that is to say, that Fig. 2 different colours represent that same display module is operated in different data and passed
Defeated pattern.
Due to the pixel for 4 × 4,4 × 4 pixels can be regarded as and be made up of 2 × 2 big pixel, each big pixel
It is made up of again the small pixel of one 2 × 2.8 × 8 pixels can similarly be regarded as and be made up of 2 × 2 big pixel, each big picture
Element is made up of the small pixel of one 4 × 4 again, the like, for 2M×2MSquare formation, can successively decompose.Due to input with it is defeated
Go out principle of keeping to the side, 2M×2MThe input and output that the square formation of structure is final are inevitable at two drift angles of its same side.
S200, otherwise, goes out multiple filling regions, each by the picture element matrix in display screen according to region division regular partition
Filling region belongs to 2M×2MThe square formation of structure, and the fill order of filling region is determined based on fill rule, according still further to determination
Fill order, filling region is filled using two kinds of base pixel modes of foundation to determine transfer of pixel data
Direction.
For division rule, it is not limited, it is only necessary to whole picture element matrix can be divided into and multiple belong to 2M×2MKnot
The square formation of structure is put together.In one preferred embodiment, the division rule includes：
If 1) line number and columns of picture element matrix are even number, since the upper left corner of picture element matrix, according to from up to
Under order from left to right, mark off successively allowed belong to 2M×2MThe maximum square formation of structure is used as filling region.Specifically
's：Using picture element matrix as initial region to be divided, following operate is performed for each region to be divided：From region to be divided
The upper left corner starts to mark off the maximum square formation allowed as a filling region, its maximum square formation will be located in region to be divided
The region of lower section continue to divide as new region to be divided until new region to be divided is square formation, while by area to be divided
Continue to divide as new region to be divided until new region to be divided belongs to positioned at the region of the right of its maximum square formation in domain
In 2M×2MThe square formation of structure.
If 2) line number and/or columns of the picture element matrix in display screen are odd number, by the first row of top and/or the right side
The pixel of last row of side is reserved, and is handled for remaining picture element matrix according to line number and columns for the situation of even number.
For fill rule, it is not limited, it is only necessary to all filling regions can be filled full, when filling
If logical situation can not be walked by encountering, filling region is decomposed until can walk logical.In one preferred embodiment, the filling
Rule includes：If each filling region constitutes 2 × 2 array structure, one kind in base pixel mode is directly selected
The fill order of each filling region is determined, the filling region in the upper left corner is often otherwise determined one as first filling region
The fill order of individual filling region, as target area, performs following logic decision：
If 1) there is the filling region for not determining fill order below target area, continuation is judged above target area
The filling region for not determining fill order is not present with the presence or absence of the filling region and right for not determining fill order, if it is,
Target area is then decomposed into 2 × 24 filling regions, and selects the upper left filling region after decomposing to take over mesh
Mark the fill order in region；Otherwise, the filling region conduct for not determining fill order most kept left below selection target region
Next filling region；
If 2) target area top and right have the filling region for not determining fill order simultaneously, continue in judgement
Side does not determine whether the filling region of fill order is located at the top that right does not determine the filling region of fill order, if it is,
Right not determined to then, top, as next filling region, is not otherwise determined fill order by the filling region of fill order
Filling region is used as next filling region；
If 3) target area only right or only left or only top are in the presence of a filling for not determining fill order
Region, then do not determine right or top that the filling region of fill order is used as next filling region；
If 4) target area left and top have the filling region for not determining fill order simultaneously, continue to judge left
Side does not determine the left of the filling region filling region whether above for not determining fill order of fill order, if it is,
Top not determined to then, left, as next filling region, is not otherwise determined fill order by the filling region of fill order
Filling region is used as next filling region；
If 5) there are multiple filling regions for not determining fill order, selection target region right in target area right
The filling region for not determining fill order most on the lower be used as next filling region.
It is understood that the filling region and division rule of the above are only preferred exemplary, this hair is not meant to limit
It is bright.
Methods described also includes：If there is reserved pixel, then the two kinds of base pixel modes pair set up are being utilized
Filling region is filled to determine behind transfer of pixel data direction, the picture of the data input based on whole transmission path and output
The transmission sequence of element, it is determined that the transfer of pixel data direction of reserved pixel.If specifically, the picture element matrix of display screen really
Line number and/or columns are odd number, then can combine above-mentioned in the step s 100 it has been noted that because input and output are kept to the side original
Then, filling region (2M×2MThe square formation of structure) final input and output are inevitable at two drift angles of its same side.And according to filling out
Rule is filled, final output pixel also necessarily keeps to the side, and the upper left corner is that the first filling region, the lower left corner are preferentially filled, therefore, as
In the case of the line number of prime matrix, columns are even number, the pixel of the data input after path planning is necessarily located at the maximum in the upper left corner
The left drift angle of square formation, thus line number, columns for picture element matrix any one when being odd number, its top can be reserved
The first row or the first row on the left side, for remaining region path planning first, after planning is finished, based on its data input
Pixel, to all pixels point in reserved the first row or first row, determines that data are passed according to the adjacent principle that finishes up
Defeated order.And the line number, columns for picture element matrix both be odd number in the case of, illustrate data output with reference to Fig. 3, Fig. 3
Three kinds of situations of pixel, can reserve the first row on its top and last row on the right, then from path planning
The reserved pixel that the pixel of data input is adjacent starts, and the data of the pixel based on the data input in path planning are passed
Defeated order, according to the adjacent principle of head and the tail, determines data transfer sequence until some reserved pixel and rule for reserved pixel
Draw path in data output pixel it is adjacent when stop, then since some pixel, based in path planning
The data transfer sequence of the pixel of data output, is that remaining reserved pixel determines data according to the adjacent principle of head and the tail
Transmission sequence.
Wherein, in step S100 and in step S200, described utilizes the two kinds of base pixel modes pair set up
Filling region, which is filled, to be specifically included：
1) filling region is carried out successively decomposing up to (i.e. filling region already belongs to a base pixel) can not be decomposed,
One filling region is decomposed into 2 × 24 filling regions by each layer of decomposition；
2) for the filling region that each is decomposed, according to one thereon and the position selection one of next filling region
Plant the fill order that pixel transmission model determines 4 filling regions after its decomposition；Wherein, it is one in initial filling region
When, randomly choose a kind of pixel transmission model and determine that the fill order of 4 filling regions after its decomposition (notes：If depositing
In the situation of reserved pixel, then it can not randomly choose, it is necessary to assure side and pre- hangover where input or output pixel point
Row or column where vegetarian refreshments is adjacent)；When initial filling region is more than one, for first filling region, according to input with
The position of keep to the side principle and next filling region is exported, selects a kind of pixel transmission model to determine that 4 after its decomposition are filled out
Fill the fill order in region；Kept to the side principle and a upper filling region according to input and output for last filling region
Position, select a kind of pixel transmission model to determine the fill order of 4 filling regions after its decomposition；
3) according to the fill order for all filling regions that can not finally decompose, the number of the picture element matrix in display screen is determined
According to transmission direction, data transfer direction is the fill order for all filling regions that can not finally decompose.
Illustrate the present invention with reference to several specific embodiments.
Embodiment one
With reference to Fig. 4, embodiment one is 4 × 4 pixel (i.e. 22×22), 2 belonged in step S100M×2MThe side of structure
The situation of battle array, therefore the division in region need not be filled, using whole picture element matrix as a filling region, utilize foundation
Two kinds of base pixel modes filling region is filled, detailed process is as follows：
Filling region is carried out successively to decompose until can not decompose, a filling region is decomposed into 2 × 2 by each layer of decomposition
4 filling regions；
Decomposed for first layer, belong to the situation that initial filling region is one, randomly choose a kind of base in a kind of Fig. 2
This pixel transmission model, determines that the fill order of 4 filling regions after its decomposition is：LED(0)→LED(1)→LED(2)→
LED(3)；
Decomposed for the second layer, LED (0), LED (1), LED (2), LED (3) continue to be broken down into 2 × 24 fill areas
Domain, 4 filling regions after being decomposed for LED (0), first filling when belonging to filling region because of LED (0) for multiple situations
The situation in region, keeps to the side principle and next filling region LED (1) position, it may be determined that LED according to input and output
(0) second of base pixel mode can only be selected to determine the fill order of 4 filling regions after its decomposition；LED(0,0)
→LED(0,1)→LED(0,2)→LED(0,3)。
4 filling regions after being decomposed for LED (1), according to a upper filling region LED (0) and next fill area
Domain LED (2) position, it may be determined that LED (1) can only select the first pixel transmission model to determine 4 fillings after its decomposition
The fill order in region：LED(1,0)→LED(1,1)→LED(1,2)→LED(1,3).
Similarly, 4 filling regions after being decomposed for LED (2), according to a upper filling region LED (1) and next are filled out
Fill the position of region LED (3), it may be determined that LED (2) can only select the first pixel transmission model to determine 4 after its decomposition
The fill order of filling region：LED(2,0)→LED(2,1)→LED(2,2)→LED(2,3).
4 filling regions after being decomposed for LED (4), it is last when belonging to filling region because of LED (4) for multiple situations
The situation of one filling region, the position of kept to the side according to input and output principle and a upper filling region LED (3), selection
A kind of pixel transmission model determines the fill order of 4 filling regions after its decomposition：LED(3,0)→LED(3,1)→LED
(3,2)→LED(3,3)；
Last that a kind of 4 × 4 transfer of pixel data patterns are just determined, according to the width figure in the middle of last column, it is flowed to
For LED (0,0) →...→ LED (0,3) → LED (1,0) →...→ LED (1,3) → LED (2,0) →...→ LED (2,3) → LED
(3,0) →...→ LED (3,3), after arrangement, as shown in the figure in the lower left corner, its data flow be LED (0,1) →...→ LED (0,
15)。
Embodiment two
With reference to Fig. 5, embodiment two is 16 × 16 pixel (i.e. 24×24), it is also 2 belonged in step S100M×2MKnot
The situation of the square formation of structure, therefore the division in region need not be filled, it regard whole picture element matrix as a filling region, profit
Filling region is filled with two kinds of base pixel modes of foundation, detailed process is repeated no more, the road finally planned
Footpath is as shown in Figure 5.
Embodiment three
With reference to Fig. 6, embodiment three is the pixel of 8 × 16 structures, is consequently belonging to step S200 situation.Now need to divide
Filling region, since the upper left corner of picture element matrix, then can mark off allowed belong to 2M×2MThe square formation of structure is 8 × 8
Structure, the remaining region in right is just because 8 × 8 structures, without subdivided, and the pixel of final 8 × 16 structure is divided into 2
Filling region (being 8 × 8 structures), according to fill rule, the filling region of left is first filled, and is filled out after the filling region of right
Fill.
For each filling region, according to the fill order of determination, two kinds of base pixel modes pair of foundation are utilized
Filling region is filled：Filling region successively decompose until can not decompose, each layer is decomposed a filling region
2 × 24 filling regions are decomposed into, for the filling region that each is decomposed, the determination process of its fill order is with reference to real
Example one and embodiment two are applied, here is omitted.The final program results of the present embodiment is as shown in Figure 6.
Based on same inventive concept, the invention also discloses a kind of display resolution expanding method, including：
At least one base pixel in the display screen that will be designed using claim 1 methods described is expanded, by it
Expand as 2M×2MThe pixel square formation of structure；
The pixel expanded is considered as a filling region, using two kinds of base pixel modes of foundation to the filling
Region is filled to determine the data transfer direction of the pixel square formation after expanding.
With reference to Fig. 7, wherein sub-fraction can be selected to be finely divided from a monoblock display screen, and its data flow is
Replaced accordingly in the position being replaced, such as data flow：LED(0,0)→LED(0,1)→LED(0,2)→LED(0,
3) a packet LED (0,2) in →...→ LED (0,15) replaces with 4 data packet streams：LED(0,2)(0)→LED(0,
2) (1) → LED (0,2) (2) → LED (0,2) (3), i.e.,：LED(0,0)→LED(0,1)→LED(0,2)(0)→LED(0,2)
(1)→LED(0,2)(2)→LED(0,2)(3)→LED(0,3)→…→LED(0,15)。
And it is easily to realize that this is in terms of controller, in this way so that various sizes of pixel can be
Same display screen is shown jointly, and then meets requirement of the different viewing areas to different display complexities.By such a
Versatility, can also carry out the replacement of minimum area/cost to corresponding faulty component.
Such as, a big LED display, possible pixel is 3mm*3mm, if needing displaying details in display screen more
Abundant content, such as personage, at this moment smaller pixel such as 1.5mm*1.5mm, effect can be more preferable, and for being wanted to details
Seek not high content, such as word, then the pixel of this large-size is good.That is, when the content of display is relatively solid
Regularly, it is understood that there may be the demand that different resolution coexists, and now, the data transfer path energy determined using the method for the present invention
It is enough to meet the demand for directly big pixel being replaced with small pixel, without being modified to original circuit structure, because they
Follow same pattern.
Based on same inventive concept, the invention also discloses a kind of display screen, including the picture element matrix that LED is constituted, adopt
At least one base pixel in picture element matrix is expanded with above-mentioned resolution ratio expanding method.
In summary, implement the display screen and data transfer path planing method, resolution ratio expanding method of the present invention, have
Following beneficial effect：The data stream transmitting mode of the present invention is flexible, it is possible to achieve local extension is carried out to display resolution,
Flexibility when solving sub-fraction failure is added simultaneously.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (7)
1. a kind of screen data transmission path planing method, it is characterised in that including：
If the picture element matrix in display screen belongs to 2M×2MThe square formation of structure, then regard whole picture element matrix as a fill area
Domain, using two kinds of foundation based on input and output keep to the side principle base pixel mode filling region is filled with
Determine transfer of pixel data direction；
Otherwise, the picture element matrix in display screen is gone out into multiple filling regions, each filling region according to region division regular partition
Belong to 2M×2MThe square formation of structure, and the fill order of filling region is determined based on fill rule, the filling according still further to determination is suitable
Sequence, is filled to determine transfer of pixel data direction using two kinds of base pixel modes of foundation to filling region.
2. screen data transmission path planing method according to claim 1, it is characterised in that the base pixel is passed
Defeated model is 2 × 2 array structure, keep to the side two pixels in array structure for whole array structure data entry point and
Data output point, data are along pixel transmission adjacent in array structure, the array structure of the first base pixel mode
Middle data transfer direction is counterclockwise, and data transfer direction is up time in the array structure of second of base pixel mode
Pin.
3. screen data transmission path planing method according to claim 1, it is characterised in that the division rule bag
Include：
If the line number and columns of picture element matrix are even number, since the upper left corner of picture element matrix, according to from top to bottom from a left side
To right order, mark off successively allowed belong to 2M×2MThe maximum square formation of structure is used as filling region；
If the line number and/or columns of the picture element matrix in display screen are odd number, by the first row of top and/or right most
The pixel of latter row is reserved, and is handled for remaining picture element matrix according to line number and columns for the situation of even number；
Methods described also includes：If there is reserved pixel, then in two kinds of base pixel modes using foundation to filling
Region is filled to determine behind transfer of pixel data direction, the pixel of the data input based on whole transmission path and output
Transmission sequence, it is determined that the transfer of pixel data direction of reserved pixel.
4. screen data transmission path planing method according to claim 1, it is characterised in that the fill rule bag
Include：If each filling region constitutes 2 × 2 array structure, a kind of determination directly selected in base pixel mode is each
The fill order of individual filling region, otherwise often determines a filling by the filling region in the upper left corner as first filling region
The fill order in region, as target area, performs following logic decision：
If there is the filling region for not determining fill order below target area, continuation judges whether deposited above target area
The filling region of fill order is not determined not determining that the filling region of fill order and right are not present, if it is, by mesh
Mark Region Decomposition and be 2 × 24 filling regions, and select the upper left filling region after decomposing to take over target area
Fill order；Otherwise, the filling region for not determining fill order most kept left below selection target region is as next
Filling region；
If above target area and right has the filling region for not determining fill order simultaneously, continue to judge that top is not true
Whether the filling region for determining fill order is located at the top that right does not determine the filling region of fill order, if it is, by the right side
Otherwise the filling region that side does not determine fill order does not determine top the fill area of fill order as next filling region
Domain is used as next filling region；
If there is a filling region for not determining fill order in target area only right or only left or only top,
Right or top not determined to, the filling region of fill order is used as next filling region；
If target area left and top have the filling region for not determining fill order simultaneously, continuation judges that left is not true
The left of the filling region filling region whether above for not determining fill order of fill order is determined, if it is, will be upper
Otherwise the filling region that side does not determine fill order does not determine left the fill area of fill order as next filling region
Domain is used as next filling region；
If target area right has multiple filling regions for not determining fill order, selection target region right is most leaned on
Under the filling region for not determining fill order be used as next filling region.
5. screen data transmission path planing method according to claim 1, it is characterised in that utilize two kinds set up
Base pixel mode is filled to filling region to be specifically included：
Filling region successively decompose until can not decompose, a filling region is decomposed into the 4 of 2 × 2 by each layer of decomposition
Individual filling region；
For the filling region that each is decomposed, a kind of pixel is selected according to the position of one thereon and next filling region
Mode determines the fill order of 4 filling regions after its decomposition；Wherein, when initial filling region is one, at random
A kind of pixel transmission model is selected to determine the fill order of 4 filling regions after its decomposition；It is more than one in initial filling region
When individual, for first filling region, the position for principle and the next filling region of being kept to the side according to input and output, selection one
Plant the fill order that pixel transmission model determines 4 filling regions after its decomposition；For last filling region according to defeated
Enter the position of kept to the side with output principle and a upper filling region, select a kind of pixel transmission model to determine 4 after its decomposition
The fill order of individual filling region；
According to the fill order for all filling regions that can not finally decompose, the data transfer of the picture element matrix in display screen is determined
Direction.
6. a kind of display resolution expanding method, it is characterised in that including：
At least one base pixel in the display screen that will be designed using claim 1 methods described is expanded, and is expanded
For 2M×2MThe pixel square formation of structure；
The pixel expanded is considered as a filling region, using two kinds of base pixel modes of foundation to the filling region
It is filled to determine the data transfer direction of the pixel square formation after expanding.
7. a kind of display screen, including the picture element matrix that LED is constituted, it is characterised in that use method as claimed in claim 6
At least one base pixel in picture element matrix is expanded.
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