CN108305568A - The manufacturing process of large-scale curved LED screen - Google Patents
The manufacturing process of large-scale curved LED screen Download PDFInfo
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- CN108305568A CN108305568A CN201810281726.5A CN201810281726A CN108305568A CN 108305568 A CN108305568 A CN 108305568A CN 201810281726 A CN201810281726 A CN 201810281726A CN 108305568 A CN108305568 A CN 108305568A
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- Prior art keywords
- led screen
- screen module
- modular belt
- module
- size
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
Abstract
The invention discloses a kind of manufacturing process of large-scale curved LED screen, include the following steps：1) screen mould is formed；2) plane where defining the section circle of a diameter of D is equatorial plane, and from equatorial plane, the arcwall face of large spherical surface LED screen model is symmetrically divided into a plurality of contour LED screen modular belt by twocouese up, down；3) the identical trapezoidal LED screen module of even number number, size, and downward decile line by line are divided into using the fixed number of degrees；When being distributed to bottom module width dimensions less than certain size, decile again is carried out using 2 times of fixed angles.And so on complete segmentation, obtain each piece of LED screen module size and shape；4) serial number, processing, assembling are carried out to every piece of LED screen module according to size, shape, completes complete large-scale curved LED screen.
Description
Technical field
The present invention relates to movie screen display fields, specifically, being related to a kind of forming side of large-scale curved LED screen
Method.
Background technology
With the continuous development of LED industry, in order to meet the market demand, large-scale curved LED display is also more and more,
And large-scale curved LED display curtain is hinged with by the identical LED module of size at present, there are curved surface flatness after assembling
The problems such as difference, gap is big, final poor display effect.
Invention content
The purpose of the present invention is to provide a kind of manufacturing process of large-scale curved LED screen, have and facilitate processing, can be effective
Improve display effect.
The manufacturing process of the medium-and-large-sized curved surface LED screen of the present invention, includes the following steps：
1) the large-scale curved LED screen model of an a diameter of D is formed by software；
2) plane where defining the section circle of a diameter of D is equatorial plane, and from equatorial plane, twocouese is symmetrical up, down
The arcwall face by large spherical surface LED screen model be divided into a plurality of contour LED screen modular belt, it is fixed down from equatorial plane
Justice for the 1st, the 2nd ... X, the N articles of X+1 ..., be up then defined as from equatorial plane the minus 1st, the minus 2nd ... negative X,
Minus the M articles of negative X+1 ..., wherein X, N, M are positive natural number, and N is more than or equal to M；
3) it is directed to the 1st article of LED screen modular belt, it is original to use with the center of circle that two sections above and below LED screen modular belt are justified
Point is the identical first trapezoidal LED screen module of A size of even number with fixed angle a etc. points of LED screen modular belt, and presses
This fixed angle a downward deciles one by one, the trapezoidal LED screen module of medium first separately won of each LED screen modular belt
Quantity is identical, is even number A；
When the size for being distributed to the first trapezoidal LED screen module bottom width is less than LED screen module processing dimension, i.e., the
When X LED screen modular belt, divide the X that bottom width is less than LED screen module processing dimension using 2 times of fixed angle a etc.
LED screen modular belt forms the identical second trapezoidal LED screen module of A/2 size of even number；
4) since X LED screen modular belt, by the method downward decile one by one of 2 times of fixed angle a deciles, when
When being distributed to the size of the second trapezoidal LED screen module bottom width less than LED screen module processing dimension, using 4 times consolidate
Determine the LED screen modular belt that angle a etc. divides bottom width to be less than LED screen module processing dimension, forms A/4 size phase of even number
The same trapezoidal LED screen module of third；
It sequentially repeats the above steps 4), is often repeated once, the sub-multiple angle of use doubles, corresponding trapezoidal LED screen
Module number reduces one times, but the quantity of the LED screen module of decile is even number every time；
5) when to LED screen bottom centre, the polygon LED screen of 3 similar triangles is divided into using 60 degree of angles
Module closes entire large LED screen；
6) according to above-mentioned steps 2) to step 4), the LED screen modular belt above equatorial plane is split；
7) according to above-mentioned steps 2) it is divided into polylith size, shape identical entire large-scale curved LED screen to step 6)
Or different LED screen modules, and to have the LED screen module of identical size, shape according to LED screen modular belt number into
Row serial number；
8) size formed according to segmentation processes each piece of LED screen module respectively, then the LED screen mould that will be machined
Root tuber is sequentially assembled on supporting rack according to number, forms complete large-scale curved LED screen.
The LED screen module that decile is formed in X LED screen modular belt in step 3) is in pentagon ,+1 LED of X
The LED screen module that decile is formed in screen module band and following LED screen modular belt is the second trapezoidal LED screen module, together
It manages, in step 4), it is energy that decile angle starts the LED screen module that decile is formed in the LED screen modular belt changed with quantity
It is effectively improved the pentagon LED screen module of three angular gaps.
The fixed angle a is 1.5 degree.
The LED screen module processing dimension is 80mm.
The LED screen module number that the 1st article of LED screen modular belt is divided into is 120 pieces.
Large-scale curved LED screen model is split using method in the present invention, each LED screen mould can be obtained
The specific size and shape of block have the advantages that processing, easy for installation, and can reduce the type of LED screen module, reduce
The type that steel plate is installed for LED screen module, and ensures in the best viewing face of large-scale curved screen, is not in trapezoidal with five
The splicing of side shape, it is ensured that can never occur showing black seam.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the medium-and-large-sized curved surface LED screen of the present invention.
Fig. 2 is the segmentation schematic diagram one of the medium-and-large-sized curved surface LED screen of the present invention.
Fig. 3 is the segmentation schematic diagram two of the medium-and-large-sized curved surface LED screen of the present invention.
Fig. 4 is the schematic front view of trapezoidal LED screen module in the present invention.
Fig. 5 is the schematic front view of pentagon LED screen module in the present invention.
Fig. 6 is the schematic front view of intermediate cam shape LED screen module of the present invention.
Fig. 7 is II enlarged schematic partial views in Fig. 1.
Fig. 8 is III enlarged schematic partial views in Fig. 2.
Specific implementation mode
The specific implementation mode in the present invention is described further below in conjunction with the accompanying drawings.
The present invention is illustrated for forming large-scale hemisphere face LED screen, but is not limited thereto, can be according to this hair
Method in bright forms variously-shaped large-scale curved LED display curtain.
Software is used to form the large-scale hemisphere face LED screen model that a diameter D is 20 meters first, as shown in Figure 1.
As shown in Fig. 2, plane where defining the horizontal cross-section circle that diameter D is 20 meters is equatorial plane 1, by equatorial plane 1
Large spherical surface LED screen is divide into upper part and lower part, from equatorial plane 1, twocouese is symmetrically by large spherical surface LED up, down
The arcwall face of screen mould is divided into the LED screen modular belt 2 of the height such as a plurality of, and height herein is LED screen modular belt 2
Cambered surface width is defined as the 59th article of the 1st, the 2nd ... .. Xs, X+1 ..., up from equatorial plane 1 down from equatorial plane 1
Then it is defined as that the minus 1st, the minus 2nd ... .. bears X, negative X+1 ... the height of minus 24th article of .., each LED screen modular belt 2 is
263.54mm concrete numerical value see the table below 1.
Divide down from equatorial plane 1 below and be described in detail, segmentation up with method be down it is symmetrical, can
It is completed with using same step.
It is oversized due to large spherical surface LED screen, when being divided into bottom position, it will produce undersized, no legal system
LED screen module is made, therefore in equal timesharing, needs the decile for carrying out multiple different number, specific decile process as follows：
First on the 1st article of LED screen modular belt 2, using fixed angle a=1.5 degree angle by the 1st article of LED screen module
It is even number, the i.e. identical first trapezoidal LED screen module 3 of 120 sizes that band 2, which is divided into quantity A,.Specifically along the 1st article of LED
1.5 degree of angle deciles are respectively adopted in the top edge of screen module band 2, lower edge, find out each piece of the first trapezoidal LED screen module 3
The point of four apex angles, and connected successively with straight line, the line segment of connection is added into thickness in three-dimensional software, carries out two laybacks
It stretches, you can obtain the specific production size of 120 piece of first trapezoidal LED screen module 3 in the 1st article of LED screen modular belt 2：Top
261.8mm, following 261.71mm, a height of 263.54mm, as shown in Fig. 7 and Fig. 4.
Then carried out using decile the 1st article of LED screen modular belt the 2nd article of LED screen modular belt 2 of 2 identical method pair etc.
Point, the fixed angle a and even number module number A all sames of decile can obtain in the 2nd article of LED screen modular belt 2 120 pieces
The specific size of first trapezoidal LED screen module 3, specifically see the table below.And so on, following LED screen mould one by one can be obtained
The specific size of first trapezoidal LED screen module 3 in block band 2.
When being distributed to 3 bottom width size of the first trapezoidal LED screen module less than 80mm, the 54th article of LED in following table
Screen module band 2 uses the angle of 2 times of fixed angle a down in order to manufacture since the 55th article of LED screen modular belt 2
Degree, i.e. the 55th article of LED screen modular belt 2 of 3 degree angle deciles, and be divided into the identical LED screen module of 60 sizes, as Fig. 2 with
Shown in Fig. 3, at this point, there are three angular gaps between 60 pieces of screen modules of 120 pieces of screen modules of decile and decile, thus by the 55th
LED screen module in LED screen modular belt 2 is processed into pentagon LED screen module 5, as shown in Figure 5 and Figure 8, so as to
Effectively to solve three angular gaps that different equal timesharing generate.Since the 56th article of LED screen modular belt 2, according to the 55th article of LED screen
The bisecting method of curtain modular belt 2, decile form the identical second trapezoidal LED screen module 4 of 60 block sizes, and so on, it can be with
Obtain the specific size of the second trapezoidal LED screen module 4 in following LED screen modular belt 2 one by one.
From the 56th article of LED screen modular belt 2 downward decile line by line, when 4 lower edge size of the second trapezoidal LED screen module again
Secondary when being less than 80mm, the 57th article of LED screen modular belt in table then uses 6 degree of angles of 4 times of fixed angle a by the 58th article of LED screen
Modular belt 2 is divided into the identical LED screen module of 30 sizes, equally, 60 pieces of screen modules of decile and 30 pieces of screen moulds of decile
There are three angular gaps between block, the 58th article of LED screen module is processed into pentagon LED screen module 5, effectively solve different
Three angular gaps that equal timesharing generate.
Due to the length 88.72mm on the LED screen module bottom edge in the 58th article of LED screen modular belt 2, LED screen is had been approached
The manufacturing limit of curtain module, and large spherical surface LED screen also has been approached curved bottom portion center, will be defined with lower part thus
It is the 59th article, center of surface is divided into the polygon LED screen module 6 of 3 similar triangles using 60 degree of angles, such as Fig. 1, figure
Shown in 3 and Fig. 6, entire curved surface LED screen is closed.
Table 1
The size that every piece of LED screen module in curved surface LED screen can be obtained by above-mentioned dividing method, further according to size
Each piece of LED screen module is processed, and every piece of LED screen module is numbered according to the number of LED screen modular belt.
Finally each piece of LED screen module is spliced and assembled according to the number of LED screen modular belt, it is specific to spell
It connects and assembles, can be fixed on supporting rack by connector, can also be fixed on supporting rack by adsorbent equipment, it is final complete
At a large-scale curved LED screen.
Claims (5)
1. a kind of manufacturing process of large-scale curved LED screen, includes the following steps：
1) the large-scale curved LED screen model of an a diameter of D is formed by software；
2) plane where defining the section circle of a diameter of D is equatorial plane, and from equatorial plane, twocouese symmetrically will up, down
The arcwall face of large spherical surface LED screen model is divided into a plurality of contour LED screen modular belt, is defined as down from equatorial plane
1st, the 2nd ... X, the N articles of X+1 ... are up then defined as the minus 1st, the minus 2nd ... negative X, minus the from equatorial plane
Minus the M articles of X+1 ..., wherein X, N, M are positive natural number, and N is more than or equal to M；
3) it is directed to the 1st article of LED screen modular belt, uses the center of circle justified using two sections above and below LED screen modular belt as origin, is used
One fixed angle a etc. divides LED screen modular belt to be the identical first trapezoidal LED screen module of A size of even number, and is fixed by this
Angle a downward deciles one by one, the quantity phase of the trapezoidal LED screen module of medium first separately won of each LED screen modular belt
Together, it is even number A；
When the size for being distributed to the first trapezoidal LED screen module bottom width is less than LED screen module processing dimension, i.e. X item
When LED screen modular belt, divide the X item that bottom width is less than LED screen module processing dimension using 2 times of fixed angle a etc.
LED screen modular belt forms the identical second trapezoidal LED screen module of A/2 size of even number；
4) since X LED screen modular belt, by the method downward decile one by one of 2 times of fixed angle a deciles, work as decile
To the second trapezoidal LED screen module bottom width size be less than LED screen module processing dimension when, using 4 times of fixed angles
Degree a etc. divides the LED screen modular belt that bottom width is less than LED screen module processing dimension, and it is identical to form A/4 size of even number
The trapezoidal LED screen module of third；
It sequentially repeats the above steps 4), is often repeated once, the sub-multiple angle of use doubles, corresponding trapezoidal LED screen module
Quantity reduces one times, but the quantity of the LED screen module of decile is even number every time；
5) when to LED screen bottom centre, the polygon LED screen module of 3 similar triangles is divided into using 60 degree of angles,
Close entire large LED screen；
6) according to above-mentioned steps 2) to step 4), the LED screen modular belt above equatorial plane is split；
7) according to above-mentioned steps 2) to step 6) it is divided into polylith size, shape identical the entire large-scale curved LED screen or not
Same LED screen module, and it is suitable according to the number progress of LED screen modular belt to having the LED screen module of identical size, shape
Sequence is numbered；
8) size formed according to segmentation processes each piece of LED screen module respectively, then the LED screen module root that will be machined
It is sequentially assembled on supporting rack according to number, forms complete large-scale curved LED screen.
2. the manufacturing process of large-scale curved LED screen according to claim 1, which is characterized in that X item in step 3)
The LED screen module that decile is formed in LED screen modular belt is in pentagon ,+1 LED screen modular belt of X and following LED screen
Curtain modular belt in decile formed LED screen module be the second trapezoidal LED screen module, similarly, in step 4), decile angle with
It is that can effectively improve five sides of three angular gaps that quantity, which starts the LED screen module that decile is formed in the LED screen modular belt changed,
Shape LED screen module.
3. the manufacturing process of large-scale curved LED screen according to claim 1, which is characterized in that the fixed angle a is
1.5 degree.
4. the manufacturing process of large-scale curved LED screen according to claim 1, which is characterized in that the 1st article of LED screen
The LED screen module number that curtain modular belt is divided into is 120 pieces.
5. the manufacturing process of large-scale curved LED screen according to claim 1, which is characterized in that the LED screen module
Processing dimension is 80mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281726.5A CN108305568B (en) | 2018-04-02 | 2018-04-02 | Forming method of large curved surface LED screen |
| PCT/CN2018/094598 WO2019192094A1 (en) | 2018-04-02 | 2018-07-05 | Method for forming large curved led screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281726.5A CN108305568B (en) | 2018-04-02 | 2018-04-02 | Forming method of large curved surface LED screen |
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| Publication Number | Publication Date |
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| CN108305568A true CN108305568A (en) | 2018-07-20 |
| CN108305568B CN108305568B (en) | 2022-08-02 |
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| CN201810281726.5A Active CN108305568B (en) | 2018-04-02 | 2018-04-02 | Forming method of large curved surface LED screen |
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| WO (1) | WO2019192094A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112967181A (en) * | 2021-05-18 | 2021-06-15 | 久瓴(江苏)数字智能科技有限公司 | Curved surface curtain wall segmentation method and device, computer equipment and readable storage medium |
| TWI781602B (en) * | 2021-01-08 | 2022-10-21 | 台亞半導體股份有限公司 | Light emitting diode curved display |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11645954B2 (en) | 2020-03-06 | 2023-05-09 | Nanjing Lopu Technology Co., Ltd. | Curved display screen, curved display screen supporting framework and curved display screen forming method |
| CN116741058B (en) * | 2023-08-14 | 2023-12-12 | 长春希达电子技术有限公司 | Method for optimizing joint seams of small-spacing LED spherical screen |
| CN117218969B (en) * | 2023-11-07 | 2024-02-02 | 长春希达电子技术有限公司 | Design method and device of flexible trapezoid plate, flexible trapezoid plate and spherical screen |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108305568B (en) | 2022-08-02 |
| WO2019192094A1 (en) | 2019-10-10 |
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