CN102005161A - Method for manufacturing light-emitting diode (LED) display screen - Google Patents
Method for manufacturing light-emitting diode (LED) display screen Download PDFInfo
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- CN102005161A CN102005161A CN2009100825249A CN200910082524A CN102005161A CN 102005161 A CN102005161 A CN 102005161A CN 2009100825249 A CN2009100825249 A CN 2009100825249A CN 200910082524 A CN200910082524 A CN 200910082524A CN 102005161 A CN102005161 A CN 102005161A
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Abstract
The invention discloses a method for manufacturing a light-emitting diode (LED) display screen. The method comprises the following steps of: A, selecting LEDs with various colors of the same sorting grade and adjacent sorting grades for an LED module, forming at least two groups of LEDs according to the same arrangement way and forming an LED module by using each group of LEDs; B, selecting each LED module according to the target performance parameter of the LED display screen; C, adjusting the brightness of each color of LEDs so as to make the laminating color gamut of different LED modules same; and D, forming the LED display screen by using each LED module. The LED display screen manufactured by the method has uniform display and good display effect, and is easy and convenient to produce and assemble.
Description
Technical field
The present invention relates to the LED lighting device, in particular, a kind of method for making of LED display.
Background technology
In the prior art, because each LED lamp in process of production, various condition effect will inevitably there are differences.
Because different clients are different to the accuracy requirement of each LED lamp, and also inequality to the use amount of each LED lamp, therefore, general lamp screen or display screen manufacturing factory after receiving customer order, buy the LED lamp to LED lamp manufacturer again.Because the LED lamp is unfixing relatively in storing process, shake easily, the collision etc. influence and damage, therefore, LED lamp manufacturer produces can not store the goods amount in a large number yet, lamp screen or display screen manufacturing factory are difficult to buy the LED lamp of same precision, therefore, the close LED lamp of class is generally bought by lamp screen or display screen manufacturing factory, because of the LED lamp of each class has chroma luminance difference, generally can directly not get very high lamp with these precision directly made screen after lamp screen manufacturer took these lamps, because human eye is very sensitive for the difference of colourity, if the lamp of different class is used in each zone, will " mosaic phenomenon " that just it has often been said the fragment of brick screen appear, in interregional formation brightness and colourity difference.
The convention of LED display industry is to do will fry lamp one before the screen and promptly the LED lamp back mixing of N class is stirred together and realize all even mixing, and its purpose is the difference between class is broken up, and does not exist monoblock irregular.Though but the way of doing has like this been eliminated the big-difference between the module, the obvious differenceization in the module between the LED lamp, the demonstration heterogeneity of whole screen, display effect is poor.And, making the processing of high-precision LED lamp beam split color separation, the stage of producing in LED display does not have due effect, causes the wasting of resources.Simultaneously, the lamp that different batches is fried, the mean value of its colourity and brightness is different, can not use with! Also increased the difficulty of production, assembling.
Therefore, there is defective in prior art, needs to improve.
Summary of the invention
Technical matters to be solved by this invention is, a kind of method for making that shows homogeneous, LED display that display effect is good is provided.
Technical scheme of the present invention is as follows: a kind of method for making of LED display, wherein, comprise the steps: A, for a led module, select the LED light emitting diode of all kinds of same minute gear selecting and adjacent minute gear selecting thereof, according to identical arrangement mode, form at least two group LED light emitting diodes, form described led module by each group LED light emitting diode again; B, according to the target capabilities parameter of described LED display, select each led module; The brightness of C, adjustment LED light emitting diode of all kinds makes the luminous colour gamut of each led module identical; D, each led module is formed described LED display.
Described method for making wherein, after execution in step A, is gone back execution in step A1: the performance parameter that identifies each led module respectively.
Described method for making wherein, among the step B, according to the sign of each led module, is selected each identical or close led module of performance parameter.
Described method for making wherein, is gone back execution in step E1: judge to exist not meet the led module that pre-sets requirement, according to its performance parameter, select led module to replace.
Described method for making wherein, in step B, selects to have each led module identical shaped and identical size.
Described method for making, wherein, in step B, in each led module, each LED light emitting diode of same color is selected from same minute gear selecting.
Described method for making wherein, before execution in step C, is gone back execution in step C0: analyze the homogeneity between each led module, obtain each luminous colour gamut of each led module.
Described method for making, wherein, step C0 specifically carries out following steps: according to the performance parameter of the LED light emitting diode of all kinds in each led module, analyze the homogeneity between each led module, obtain each luminous colour gamut of each led module; And step C specifically carries out following steps: according to the luminous colour gamut of each led module, adjust the brightness of the LED light emitting diode of all kinds in each led module, make the luminous colour gamut of each led module identical.
Described method for making wherein, after execution in step D, is gone back execution in step D1: the performance parameter that identifies described LED display.
Described method for making wherein, is gone back execution in step E2: judge to exist not meet the led module that pre-sets requirement, according to the performance parameter of described LED display, select led module to replace.
Adopt such scheme, the present invention makes high-precision led module by the LED light emitting diode of all kinds of selecting same minute gear selecting and adjacent minute gear selecting thereof; In the led module, each arrangement mode of organizing the LED light emitting diode is identical, and the luminous colour gamut of each led module makes the LED display of composition show homogeneous, and display effect is good, and, make production and assembling simple, convenient.
Description of drawings
Fig. 1 is a process flow diagram of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, present embodiment provides a kind of method for making of LED display, and the concrete operations step is as described below.
The first step forms led module, for a led module, select the LED light emitting diode of all kinds of same minute gear selecting and adjacent minute gear selecting thereof, according to identical arrangement mode, form at least two group LED light emitting diodes, form described led module by each group LED light emitting diode again.
For example, in process of production, according to the material difference of LED wafer, can make the LED light emitting diode of different colours, the LED light emitting diode of different colours is produced respectively in batches, and, can adopt identical encapsulation, be made into identical shaped and big or small LED light emitting diode, the employing beam split color scanner of each LED light emitting diode of same color is carried out stepping, promptly can obtain the LED light emitting diode of different branch gear selectings of all kinds.
And for example, for a led module, select the LED light emitting diode of all kinds of same minute gear selecting, that is, only select the red LED light emitting diode of a branch gear selecting, only select the green LED light emitting diode of a branch gear selecting and only select the blue led light emitting diode of a branch gear selecting.
Because LED light emitting diode of all kinds adopts identical branch gear selecting respectively, therefore, the brightness of the LED light emitting diode of same color is identical, consistent wavelength, encapsulation is identical, shape is identical and big or small identical; Described consistent wavelength refers to, and each LED light emitting diode color that people's naked eyes are seen in a certain wavelength coverage is identical, promptly can think the consistent wavelength of all the LED light emitting diodes in wavelength coverage.
Perhaps, for a led module, can also select the LED light emitting diode of adjacent class, for example, select A to divide the LED light emitting diode of gear selecting, with and the LED light emitting diode of each one fen gear selecting of front and back, i.e. the LED light emitting diode of A ± 1 minute gear selecting, more particularly, be the LED light emitting diode of A-1 branch gear selecting and the LED light emitting diode of A+1 branch gear selecting.
Adjacent LED light emitting diode has identical encapsulation, identical shape and identical size equally, and, in very little error range, be in the scope of human eye for brightness and wavelength change perceived, the LED light emitting diode of adjacent class, its brightness can be thought identical approx, and it is consistent that wavelength also can be thought.
Perhaps, similar with last example, LED light emitting diode of all kinds is the LED light emitting diode of same minute gear selecting and one adjacent minute gear selecting thereof, that is to say, LED light emitting diode of all kinds can also be selected the LED light emitting diode of an only adjacent class, for example, select A to divide the LED light emitting diode of gear selecting, and, the LED light emitting diode of arbitrary minute gear selecting before and after it, be the LED light emitting diode of A-1 branch gear selecting, perhaps, A+1 divides the LED light emitting diode of gear selecting.Like this, can dwindle the difference of LED accurate module inside.
That is to say, one preferably example be when a certain color same minimum divides the LED light emitting diode quantity of gear selecting A enough,, only to get the LED light emitting diode of this minute gear selecting A for this color LED light emitting diode of one or more LED accurate modules; When the same minimum of a certain color is divided the LED light emitting diode lazy weight of gear selecting A, this color LED light emitting diode for one or more LED accurate modules, can choose the LED light emitting diode of branch gear selecting A-1, perhaps, can choose the LED light emitting diode of branch gear selecting A+1, perhaps, can also choose the LED light emitting diode of branch gear selecting A-1 and the LED light emitting diode of branch gear selecting A+1.
Wherein, described brightness is meant the bright-dark degree of LED light emitting diode, described color is meant three primary colours, promptly red, green and blue, described wavelength refers to the emission wavelength of LED light emitting diode, described encapsulation comprises pinned encapsulation, surface-mount type encapsulation, power formula encapsulation etc., and described shape comprises round LED lamp, oval LED lamp, cylinder LED lamp, square LED lamp, Surface Mount LED lamp, Piranha LED lamp etc.
And for example, LED light emitting diode of all kinds forms at least two group LED light emitting diodes according to identical arrangement mode, promptly when forming arbitrary group of LED light emitting diode, the color combination of each the LED light emitting diode that is adopted is identical, and the quantity of combination is identical, and the shape of arranging is also for identical; And comprise two groups of LED light emitting diodes in each led module at least, usually, comprise many group LED light emitting diodes in each led module.
For example, arbitrary group of LED light emitting diode comprises 1 red LED light emitting diode respectively, 1 green LED light emitting diode and 1 blue led light emitting diode, and, all triangular in shape the arranging of three three-primary color LED light emitting diodes in each group LED light emitting diode; And for example, arbitrary group of LED light emitting diode comprises 2 red LED light emitting diodes respectively, 1 green LED light emitting diode and 1 blue led light emitting diode, and three three-primary color LED light emitting diodes in each group LED light emitting diode all are quadrilateral and arrange.
And for example, each led module comprises 8 row * 8 row group LED light emitting diodes or 8 row * 16 row group LED light emitting diodes or 16 row * 16 row group LED light emitting diodes or 16 row * 32 row group LED light emitting diodes or 32 row * 32 row group LED light emitting diodes or 32 row * 64 row group LED light emitting diodes or the like.
And each distance of organizing between the LED light emitting diode also can be made as equal; Promptly during the LED display in forming present embodiment, each is organized the LED light emitting diode and is dot matrix and arranges.So, the LED display of composition is the LED display of rule, satisfies the requirement of conventional LED display, meet the control and the display mode of prior art, and each is organized LED and arranges evenly, and display effect is good.
In second step, select each led module; For example, target capabilities parameter according to described LED display, select each led module, as, according to the shape of described LED display, size, respectively organize the arrangement mode of LED light emitting diode, luminous colour gamut of described LED display or the like, select each led module, make each led module of selection, can assemble and form described LED display.
In selected each led module, each LED light emitting diode that color is identical, can adopt the LED light emitting diode of identical minute gear selecting, also can adopt the LED light emitting diode of different branch gear selectings, be that brightness, encapsulation, shape, size between the LED light emitting diode of same color in the different LED module can be respectively identical, also can be respectively different, and, wavelength can be unanimity, also can be inconsistent.
And the quantity of the led module of selection can be selected according to the size of assembling the LED display that forms, and, according to the package assembly of actual conditions and each led module, select the size and the shape of each led module.
For example, can select to have each led module identical shaped and identical size, make when assembling forms described LED display, assemble simple, convenient, fast, as, selection is square and each identical led module of size, or selects to be equilateral triangle and big or small each identical led module etc.
The 3rd step, adjust the brightness of LED light emitting diode of all kinds, make the luminous colour gamut of each led module identical.For example, one or more regulation and control unit is set respectively in each led module, adjust the brightness of LED light emitting diode of all kinds by described regulation and control unit, brightness red, green as adjusting respectively, blue three-primary color LED light emitting diode, in comprising a led module of three primary colours, the brightness ratio difference of red, blue, green LED light emitting diode, can obtain different luminous colour gamuts, therefore, LED light emitting diode that can be by adjusting each primary colours at it to the luminous ratio in the deserved led module.
In the 4th step, each led module that luminous colour gamut is identical is formed the LED display in the present embodiment.
Owing to select the LED light emitting diode of all kinds of same minute gear selecting and adjacent minute gear selecting thereof in each led module, according to identical arrangement mode; Each LED light emitting diode has the performance parameter of pinpoint accuracy in the led module, and the luminous colour gamut between each led module is identical, make the demonstration colour gamut of each led module identical, eliminated the demonstration difference between the led module, thereby make the described LED display of making show homogeneous, display effect is good, has eliminated " mosaic phenomenon ".
Embodiment 2
On the basis of above-mentioned each example, after carrying out the first step, promptly make led module after, also identify the performance parameter of each led module respectively.
For example, can on each described led module, an identify unit be set, be used to identify the performance parameter of its corresponding LED modules.The performance parameter of each led module comprises the brightness and the wavelength coverage of each LED light emitting diode at least, in addition, can also comprise shape, size of color, encapsulation, size and the led module of each LED light emitting diode etc.Brightness, encapsulation, big or small identical because of same color light emitting diode in each led module, and consistent wavelength, therefore, in each led module, each LED light emitting diode of same color can be used as a LED light emitting diode and identifies, and has accurate performance parameter numerical value, therefore, the sign content is simple, convenient, only gets final product with an identify unit sign.
Described identify unit can adopt the mode that embeds or paste, be arranged on the edge part of its corresponding LED modules, for example, can be arranged on each side of each led module, for example be arranged on arbitrary side of led module, in addition, can also be arranged on the edge of side of led module, identify unit is arranged on the side, can make identify unit not occupy the installation site of other electronic devices and components on the led module, and, do not influence yet and form the specious of led module display surface.
And the identify unit embedding is arranged on each led module, can make identify unit deposit, use, be not easy to come off under the situation such as transportation, make led module, still can clearly recognize the performance parameter of each led module through long storage time, use or transportation.
And for example, described identify unit can be a paper labels or plastic label; Use paper labels to make to wait in use very convenient, for example, can directly paper labels be sticked on its corresponding LED modules, identification means is simple, and convenient.And use plastic label can make label more durable, be not easy infringement.
Another example is, the bar code that identify unit can also design for each performance parameter that has according to described led module can show each specific performance parameter of described led module by scanning; Adopt bar code,, adopt the electronic tool management simultaneously, management is standardized more, make when seeking, using the led module of each performance parameter more convenient by data are imported computer.
And, in second step of above-mentioned method for making, can also be according to the sign of each led module, select each identical or close led module of performance parameter,, select each identical or close led module of performance parameter promptly according to the performance parameter that identifies on the described identify unit, make the luminous colour gamut of each led module of selection identical or close, operation is simple more, convenient, and, the operation steps of back is oversimplified.
Embodiment 3
On the basis of above-mentioned each example, before carrying out for the 3rd step, promptly adjust before the brightness of each LED light emitting diode of each led module, also analyze the homogeneity between each led module, and, obtain the luminous colour gamut of each led module by analyzing.
For example, can analyze the homogeneity between each led module according to the performance parameter of the LED light emitting diode of all kinds in each led module; As the brightness of, green red and blue led light emitting diode and wavelength etc. by analyzing respectively in each led module, obtain the luminous colour gamut of its corresponding LED modules, again according to the difference of the luminous colour gamut between each led module, adjust the brightness of the LED light emitting diode of all kinds in each led module, make each led module have identical luminous colour gamut.
Because between the different LED module, the wavelength and the brightness of redness, green and the blue three-primary color LED light emitting diode that is provided with there are differences respectively, therefore, its luminous colour gamut is inequality, and in case each LED light emitting diode moulding, its wavelength is non-adjustable, but can make the luminous colour gamut of each led module identical by adjusting the ratio of three-primary color LED light emitting diode, reaching.
Embodiment 4
On above-mentioned each routine basis, after assembling forms described LED display, can also identify the performance parameter of described LED display.
For example, the performance parameter of described LED display can be the structure of assembling and luminous colour gamut, and described package assembly is to be assembled into the quantity and the size of each led module of described LED display, the shape of each led module and size etc.; The identical luminous colour gamut that described luminous colour gamut can have for each led module.
And, described identify unit can adopt the mode that embeds or paste, be arranged on its for the edge part of LED display, for example, can be arranged on each side of LED display, as be arranged on arbitrary side of LED display, in addition, can also be arranged on the edge of side of LED display, described identify unit is arranged on the side, can make described identify unit not occupy the installation site of other electronic devices and components on the LED display, and, the specious of the display surface of forming LED display do not influenced yet.
And, described identify unit can also be embedded and be arranged on the described LED display, can make described identify unit deposit, use, be not easy to come off under the situation such as transportation, make LED display, still can clearly recognize each performance parameter of each LED display through long storage time, use or transportation.
And described identify unit can be a paper labels or plastic label; Use paper labels to make to wait in use very convenient, for example, can directly paper labels be sticked on its corresponding LED display, identification means is simple, and makes things convenient for.And use plastic label can make label more durable, be not easy infringement.
In addition, the bar code that described identify unit can also design for each performance parameter that has according to described LED display can show each specific performance parameter of described LED display by scanning; Adopt bar code,, adopt the electronic tool management simultaneously, management is standardized more, make when seeking, using the LED display of each performance parameter more convenient by data are imported computer.
By identifying each performance parameter of described LED display, can know the structure and the luminescent properties of described LED display fast, when certain part is damaged in the described LED display, can find identical replacement led module fast, and, can be by the luminous colour gamut of described LED display, fast the led module of changing is adjusted to the colour gamut identical with described LED display, the whole homogeneous that shows of LED display after the replacing, display effect is good, has avoided " mosaic phenomenon ".
Embodiment 5
On above-mentioned each routine basis, after executing for the 4th step, can also carry out for the 5th step, judge to exist not meet the led module that pre-sets requirement, and replace not meeting the led module that pre-sets requirement.
Described LED display is in the process of assembling, installation and use, be subjected to many and diverse influences easily, so that each LED light emitting diode in each led module, or other electronic devices and components and electronic circuit suffer damage, and do not meet the requirement that respectively pre-sets, therefore, need carry out the replacement of led module; For example, a certain led module is owing to collision is broken down, perhaps owing to use for a long time, tangible energy consumption decay takes place, so that difference appears significantly showing in other led modules of this led module and described LED display, and display effect is poor, need replace this led module.
For example, when replacing a certain led module, can replace according to the performance parameter of this led module, as, according to performance parameters such as the brightness of each LED light emitting diode of this led module and wavelength coverages, select a replacement led module identical with the performance parameter of this led module, make the LED display demonstration homogeneous after the replacement, display effect is constant, display effect is good, and, for this led module, all right actual needs selects a plurality of led modules to replace.
For example, when replacing several led modules, can replace according to the performance parameter of these led modules respectively, specifically same as above.
And for example, when replacing one or more led module, can also replace according to the performance parameter of described LED display, as, package assembly according to described LED display, luminous colour gamuts etc. are selected one or more replacement led modules, and described replacement led module structure is corresponding with the package assembly of described LED display, and, luminous colour gamut is identical, like this, can make the LED display after the replacement have the demonstration homogeneity equally, display effect is constant, display effect is good, and, for this led module, all right actual needs selects a plurality of led modules to replace.
Do not meet the led module that pre-sets requirement for judging to exist, can observe by people's eyes and judge, can judge yet, as video camera, nitometer etc. by special judgement instrument; The present invention does not do any restriction to this.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. the method for making of a LED display is characterized in that, comprises the steps:
A, for a led module, select the LED light emitting diode of all kinds of same minute gear selecting and adjacent minute gear selecting thereof, according to identical arrangement mode, form at least two group LED light emitting diodes, form described led module by each group LED light emitting diode again;
B, according to the target capabilities parameter of described LED display, select each led module;
The brightness of C, adjustment LED light emitting diode of all kinds makes the luminous colour gamut of each led module identical;
D, each led module is formed described LED display.
2. method for making according to claim 1 is characterized in that, after execution in step A, goes back execution in step A1: the performance parameter that identifies each led module respectively.
3. method for making according to claim 2 is characterized in that, among the step B, according to the sign of each led module, selects each identical or close led module of performance parameter.
4. method for making according to claim 2 is characterized in that, also execution in step E1: judge to exist not meet the led module that pre-sets requirement, according to its performance parameter, select led module to replace.
5. method for making according to claim 1 is characterized in that, in step B, selects to have each led module identical shaped and identical size.
6. method for making according to claim 1 is characterized in that, in step B, in each led module, each LED light emitting diode of same color is selected from same minute gear selecting.
7. method for making according to claim 1 is characterized in that, before execution in step C, goes back execution in step C0: analyze the homogeneity between each led module, obtain each luminous colour gamut of each led module.
8. method for making according to claim 7, it is characterized in that, step C0 specifically carries out following steps: according to the performance parameter of the LED light emitting diode of all kinds in each led module, analyze the homogeneity between each led module, obtain each luminous colour gamut of each led module;
And step C specifically carries out following steps: according to the luminous colour gamut of each led module, adjust the brightness of the LED light emitting diode of all kinds in each led module, make the luminous colour gamut of each led module identical.
9. method for making according to claim 1 is characterized in that, after execution in step D, goes back execution in step D1: the performance parameter that identifies described LED display.
10. method for making according to claim 9 is characterized in that, also execution in step E2: judge to exist not meet the led module that pre-sets requirement, according to the performance parameter of described LED display, select led module to replace.
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| CN2009100825249A CN102005161B (en) | 2009-04-22 | 2009-04-22 | Method for manufacturing light-emitting diode (LED) display screen |
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| CN2009100825249A CN102005161B (en) | 2009-04-22 | 2009-04-22 | Method for manufacturing light-emitting diode (LED) display screen |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982786A (en) * | 2012-12-18 | 2013-03-20 | 广东威创视讯科技股份有限公司 | Method and device for color consistency adjustment of multiple display screens |
| CN103559864A (en) * | 2013-11-11 | 2014-02-05 | 西安诺瓦电子科技有限公司 | Bright chroma correcting method for LED display modules |
| CN109727573A (en) * | 2017-10-31 | 2019-05-07 | 上海和辉光电有限公司 | A kind of display methods and display device |
| WO2022178674A1 (en) * | 2021-02-23 | 2022-09-01 | 深圳市艾比森光电股份有限公司 | Led display screen and display control method therefor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2802623Y (en) * | 2005-06-03 | 2006-08-02 | 顾自强 | High density color LED display device for outdoor advertising |
| CN2802727Y (en) * | 2005-06-23 | 2006-08-02 | 陈天宇 | Improved structure of color mixture point matrix LED |
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2009
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982786A (en) * | 2012-12-18 | 2013-03-20 | 广东威创视讯科技股份有限公司 | Method and device for color consistency adjustment of multiple display screens |
| CN102982786B (en) * | 2012-12-18 | 2015-06-24 | 广东威创视讯科技股份有限公司 | Method and device for color consistency adjustment of multiple display screens |
| CN103559864A (en) * | 2013-11-11 | 2014-02-05 | 西安诺瓦电子科技有限公司 | Bright chroma correcting method for LED display modules |
| CN103559864B (en) * | 2013-11-11 | 2015-09-09 | 西安诺瓦电子科技有限公司 | The bright chroma bearing calibration of LED display module |
| CN109727573A (en) * | 2017-10-31 | 2019-05-07 | 上海和辉光电有限公司 | A kind of display methods and display device |
| WO2022178674A1 (en) * | 2021-02-23 | 2022-09-01 | 深圳市艾比森光电股份有限公司 | Led display screen and display control method therefor |
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| Publication number | Publication date |
|---|---|
| CN102005161B (en) | 2013-04-03 |
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