CN101477774A - LED screen manufacturing process, display screen box, display screen and display screen system - Google Patents
LED screen manufacturing process, display screen box, display screen and display screen system Download PDFInfo
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- CN101477774A CN101477774A CNA2009100779630A CN200910077963A CN101477774A CN 101477774 A CN101477774 A CN 101477774A CN A2009100779630 A CNA2009100779630 A CN A2009100779630A CN 200910077963 A CN200910077963 A CN 200910077963A CN 101477774 A CN101477774 A CN 101477774A
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Abstract
The invention discloses a method for manufacturing an LED screen body, and provides an LED display screen box body, an LED display screen and an LED display screen system. The method comprises the following steps: 1, light emitting diodes with same chroma are selected and distributed uniformly to form an LED module group; 2, each LED module group is selected and analyzed for uniformity, and the brightness of each light emitting diode in each LED module group is adjusted to ensure that all the LED module groups are same in brightness and chroma; and 3, the LED screen body is formed by all the LED module groups. The method can be used for manufacturing an LED screen, or all the LED module groups formed according to the method are fixed on a box body to form the LED display screen box body, and the LED display screen box bodies can form the LED display screen. The LED display screen, an acquisition device and a control device can form the LED display screen system. The invention has the advantage of uniform and extremely good displaying effect.
Description
Technical field
The present invention relates to a kind of LED lighting device, in particular, a kind of method for making of LED screen body, and LED display casing, LED display and LED display system.
Background technology
Generally constitute by some LED display casings than relatively large LED display, each LED display casing is provided with some LED light emitting diodes, the various performance parameters of LED light emitting diode, when producing led chip, formed, the performance parameter unanimity of the led chip of general same batch process, different batch led chips are different.
In the prior art, because LED display needs a large amount of LED light emitting diodes, each LED light emitting diode is because the restriction of production technology, the same batch process of all LED light emitting diodes of impossible same display screen, therefore, the parameter of each LED light emitting diode of the LED display of making has nothing in common with each other, and causes LED display inconsistent when showing, display effect is poor, and is easy to generate mosaic phenomenon etc.
Stir as each the LED light emitting diode back mixing the different performance parameter together, realize all evenly mixing, its purpose is the difference between each LED light emitting diode is broken up, and does not exist monoblock irregular.Though do not had but the harm of doing like this is big color lump, the difference of little color dot is full of whole screen, newly shielding one brightly is exactly " flower screen ", " dirty screen ", " mist screen ", feels as contaminated the non-constant of display effect to the people.
Therefore, there is defective in prior art, needs to improve.
Summary of the invention
Technical matters to be solved by this invention is that method for making, LED display casing, LED display and the LED display system of a kind of display effect unanimity, the extraordinary LED screen of display effect body is provided.
Technical scheme of the present invention is as follows: the method for making of a kind of LED screen body, wherein, comprise the steps: A, for a LED module, and select LED light emitting diode with identical colourity, evenly arrange, form described LED module; B, select each LED module, analyze its homogeneity, adjust the brightness of each LED light emitting diode in each LED module respectively, make the brightness of each LED module identical with colourity; C, each LED module is formed described LED screen body.
Described method for making, wherein, in steps A, selection has the LED light emitting diode of identical colourity, the concrete following steps of carrying out: adopt the beam split color scanner, each LED light emitting diode of each production batch is carried out the colourity stepping, select LED light emitting diode with identical colourity.
Described method for making wherein, in steps A, forms after the described LED module, also identifies the performance parameter of each LED light emitting diode on the described LED module, and described performance parameter comprises brightness and wavelength; And, among the step B,, analyze the homogeneity of each LED module according to described performance parameter.
Described method for making wherein, in step B, is analyzed each LED module homogeneity, specifically carries out following steps: according to the performance parameter of each the LED light emitting diode on each LED module, analyze the homogeneity between the LED module of different colourities; Wherein, described performance parameter comprises brightness and wavelength.
Described method for making, wherein, in step B, the concrete following steps of carrying out: select each LED module, obtain its performance parameter, the homogeneity of each LED module is analyzed, select the data of optimum performance parameters by PC, respectively each LED light emitting diode in each LED module is carried out the brightness adjustment, make the brightness of each LED module identical with colourity.
Described method for making, wherein, in step B, adjust the brightness of each LED light emitting diode in each LED module, the concrete following steps of carrying out:,, each LED light emitting diode is wherein carried out the brightness adjustment respectively according to the data of described optimum performance parameters by each LED module.
A kind of LED display casing wherein, comprises some LED modules, evenly is placed with some LED light emitting diodes on the described LED module; Each LED light emitting diode colourity in arbitrary LED module is identical; On each LED module a control module is set, described control module comprises an analysis module and an adjusting module; Described analysis module is provided with a signal input interface, is used to receive external control signal, analyzes each performance parameter of its corresponding LED module, and signal is adjusted in output, and wherein, described performance parameter comprises brightness and wavelength; Described adjusting module is connected with each LED light emitting diode respectively, is used for adjusting the brightness and the colourity of each LED module according to described adjustment signal.
Described LED display casing wherein, also is provided with an identify unit, is used for identifying the performance parameter of each each LED light emitting diode of LED module, and described performance parameter comprises brightness, wavelength and colour temperature at least; Described identify unit is a paper labels or plastic label; Perhaps, has the bar code that designs according to described LED light emitting diode parameter.
A kind of LED display wherein, comprises several above-described LED display casings; And described LED display also comprises at least one data processing unit, is used to receive outside processing signals, and sends to described control module, to each casing, adjusts the wherein brightness of each LED light emitting diode, makes the brightness of each casing identical with colourity.
A kind of LED display system wherein, comprises harvester, control device and above-described LED display; Described harvester is used to obtain adjust and states the required video data of each lamp point of display screen, sends to described control device; Described control device is used for according to described video data, handles to generate and adjusts data, sends to described data processing unit.
Adopt such scheme, the present invention will be placed with the LED module of the LED light emitting diode of identical colourity, by regulating the brightness of single led light emitting diode, make the overall brightness of each led module of different brightness reach consistent, and, the brightness ratio of the LED light emitting diode by regulating RGB three looks is respectively come, make the colourity of each LED module of different colourities reach consistent, with this, make the LED screen body be made up of each LED module, LED display casing, LED display consistent with LED display system display effect, display effect is very good.
Description of drawings
Fig. 1 is the synoptic diagram of embodiment 1 among the present invention;
Fig. 2 is the synoptic diagram of each LED LED control circuit among the present invention;
Fig. 3 is the synoptic diagram of embodiment 2 among the present invention;
Fig. 4 is the synoptic diagram of embodiment 3 among the present invention;
Fig. 5 is the synoptic diagram of embodiment 4 among 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 LED screen body 106, and LED screen body 106 is made up of several LED modules, for example is made up of LED module 101, LED module 102, LED module 103 and LED module 104.Present embodiment also provides a kind of LED display casing, and the LED display casing comprises some above-mentioned LED modules, and some described LED display casings can be formed a described LED screen body.Present embodiment also provides a kind of LED display, and LED display can directly be made of above-described LED screen body, also can be made of some described LED display casings.
Evenly being placed with some LED light emitting diodes 105 on each above-mentioned LED module, saidly here evenly arranging, is in the usual way, and row are embarked on journey, become to each LED light emitting diode, perhaps by definite shape, is arranged on the LED module.
By the combination of each LED module or each LED display casing, thereby can form a LED screen body or a LED display; When arranging each LED light emitting diode, can form the LED screen body of an abnormity or the LED display of abnormity by given shape.
Described LED module or described LED display casing can be set to equidimensions such as 16CM * 32CM, 32CM * 32CM, 32CM * 64CM according to actual needs, for example, are set to 16 centimetres and take advantage of 16 centimetres.
On each LED module, be respectively arranged with red LED light emitting diode, green LED light emitting diode and blue led light emitting diode; At least 1 red LED light emitting diode, at least 1 green LED light emitting diode and at least 1 blue led light emitting diode can be formed a LED pixel.Each LED light emitting diode in each LED pixel can be linearly, triangle or its combination are arranged, also can be with the integrated encapsulation of LED LED core of each color.
Each LED light emitting diode 105 or each LED pixel are arranged, make LED screen body 106 or LED display casing or LED display can satisfy the demonstration of conventional various figures, literal, letter and animation etc.
The colourity of each the LED light emitting diode in each LED module is identical, and promptly the color harmony saturation degree of each LED light emitting diode is identical, and performance parameters such as the wavelength of each LED light emitting diode, brightness and working power are all in certain span.For example, the wavelength coverage of each LED light emitting diode is 522.5～528nm, and brightness range is 1580～1600mcd, and when the forward operating voltage range was 2.8～3.6V etc., the colourity of each LED light emitting diode was identical.
Each LED light emitting diode on the corresponding different LED module, between the wantonly two LED light emitting diodes of different LED module colourity can for identical, also can be difference; But the colourity between the different LED modules is all identical with brightness, for example, the colourity of each the LED light emitting diode on the colourity of each the LED light emitting diode on the LED module 101 and the LED module 102 is different, but the colourity between LED module 101 and the LED module 102 is all identical with brightness.
On each LED module a control module is set also, described control module comprises an analysis module and an adjusting module; Described analysis module is provided with a signal input interface, be used to receive external control signal, for example, analysis module is connected with the PC of outside, go out the optimum performance parameters of each LED module by the software analysis of PC, and relevant data signals passed to described analysis module, described analysis module receives described signal, analyze each performance parameter of its corresponding LED module and the difference of optimum performance parameters, and output is adjusted signal to described adjusting module, described adjusting module is connected with each LED light emitting diode respectively, be used for according to the described adjustment signal that receives, adjust the brightness of each the LED light emitting diode on its corresponding LED module, make the brightness of its corresponding LED module and colourity reach shown brightness of optimum performance parameters and colourity, thereby it is all consistent with colourity to reach the brightness that makes each LED module.Above-described performance parameter comprises brightness, wavelength and forward operating voltage.
For example, the ZQ9705 series intelligent control chip that control module can adopt the Beijing Zhongqing Micro-digit Equipment Development Co., Ltd to produce, ZQ9705 series intelligent control chip is according to the control signal of outside, can easily realize the brightness and the colourity adjustment of each led module, make the brightness of each led module of different colourities reach consistent with colourity.
Each LED light emitting diode 105 is except can adopting traditional epoxy encapsulation, and each LED light emitting diode 105 can also adopt the silicone encapsulation of black.
Silicones is to have highly cross-linked cancellated polysiloxane, has the dual nature of organic resin and inorganic material concurrently, has unique physical and chemical performance.Mainly comprise: methyl phenyl silicone resin, methyl silicon resin, low phenyl methyl silicones, the organic siliconresin emulsion, the self-drying type organic siliconresin, the high temperature modification organic siliconresin, epoxy modified silicone resin, organosilicon polyester modified resin, self-drying type environmental protection organic siliconresin, environment-protecting silicone resin, the non-viscous paint organic siliconresin, high light organic siliconresin, the benzyl transparent silicon resin, methyl transparent organic silicon resin, the bonding silicones of mica, poly-methyl silicon resin, amino silicone, fluorine silicon resin, silicon resin solution, the organosilicon-epoxide resin, organic silicon polyester resin, the solvent-resisting organic siliconresin, the organic siliconresin tackifier, the fluorine silicon resin sealant, the high-temperature resisting methyl silicones, the self-drying type organic silicon insulating varnish, methyl MQ silicones, vinyl MQ silicones and organosilicon acrylic resin coating.
Because silicones has extraordinary light transmission, thermotolerance, corrosion-resistant and insulativity etc., so silicones can be used for the encapsulating material of LED light emitting diode.And the silicones of black, especially adopt zero luminance or approach zero black silicon resin, not only has good light transmittance, and silicones exerts an influence hardly to the light that the LED light emitting diode sends, therefore, adopt the silicone encapsulation of black, the light color that each LED light emitting diode sends is the purest, transmissivity is the highest, thereby makes the display effect of LED display casing best.
As shown in Figure 2, each the LED light emitting diode 105 on each LED module by control circuit is set, controls that it is luminous, makes each LED light emitting diode realize display text, picture and animation etc.
Described control circuit comprises a positive source line 204, a power-polar curve 206, at least one signal wire 205, driving control unit 203.Positive source line 204 and power-polar curve 206 can provide voltage for each LED module, and each LED light emitting diode 105 is as light source.Driving control unit 203 is used to receive the LED control signal according to each signal wire transmits, and the LED light emitting diode of drive controlling varying number makes each LED light emitting diode can show various figures, literal, letter and animation or the like.
For example, the single-wire drive control chip ZQL1111 that driving control unit 203 adopts the Beijing Zhongqing Micro-digit Equipment Development Co., Ltd to produce, the control signal wire transmission LED drive control signal of single-wire drive control chip ZQL1111 by forming by a lead, and, according to control signals transmitted, the LED light emitting diode of drive controlling varying number makes each LED light emitting diode can show various figures, literal, letter and animation or the like.
Above-mentioned driving control unit 203, positive source line 204, power-polar curve 206 and signal wire 205 and described driving control unit all can be arranged on the pcb board, on the described pcb board other electronic devices and components can also be installed, for example, install be used to the preventing excessive resistance of electric current, install have energy storage, every the electric capacity of straight effect etc.
In addition; too high in order to prevent the temperature in described LED screen body or described LED display casing or the described LED display; so that each electronic devices and components burns out; the lost of life; at described control circuit at least one overheat switch 202 can also be set; overheat switch 202 is series between each LED light emitting diode and the positive source circuit, and the temperature that is used in described casing surpasses when pre-seting temperature, disconnects the power circuit of each LED light emitting diode.
In order to make the power circuit that overheat switch can each LED light emitting diode of automatic cutout, between overheat switch 202 and power supply, the inductor 201 of also connecting.Inductor 201 is used for the variation of temperature sensor, and when temperature reached certain height, inductor 201 was closed overheat switch by power lead 204, each LED light emitting diode is quit work, thereby prevent that Yin Wendu is too high, and each electronic devices and components is burnt out.Inductor 201 can be set to temperature inductor.
In addition, be not subjected to the influence of surrounding environment for the light that each LED light emitting diode 105 is sent, as: absorption, reflection etc., can also on the surface of described LED screen body or described LED display casing or described LED display, be covered with the rete of one deck black, rete can cover by the mode of plated film, for example, cover the surface of described LED module, the surface of each casing etc.
Described black rete can be common black plastic, black plastic has light absorptive, the light of direct irradiation on described LED display screen surface or described LED display tank surface or described LED display surface can be absorbed, make the influence that is not subjected to extraneous factor, as the light of available light, the reflection of other objects etc., therefore, the contrast of each LED screen body or each LED display casing or each LED display is the highest, thereby display effect is best.
As shown in Figure 3, similar to embodiment 1, this example provides a kind of LED screen body 106, and LED screen body 106 is made up of several LED modules, for example is made up of LED module 101, LED module 102, LED module 103 and LED module 104.Present embodiment also provides a kind of LED display casing, and the LED display casing comprises some above-mentioned LED modules, and some described LED display casings can be formed a described LED screen body.Present embodiment also provides a kind of LED display, and LED display can directly be made of the described LED screen of present embodiment body, also can be made of some described LED display casings.
This example is with the difference of embodiment 1, in this example, at least one identify unit 301 also is set on each LED module, identify unit 301 is used to identify the performance parameter that is arranged on each the LED light emitting diode on the described LED module, for example, the model of each LED light emitting diode, brightness, wavelength, colour temperature, operating voltage or the like.
Described identify unit 301 embeds the edge part that is arranged on its corresponding LED module, for example, can be arranged on each side of LED module; In addition, can also be arranged on the edge of side of LED display.
For example, identify unit 301 is arranged on the edge part of its corresponding LED module, each parameter of each LED module is perfectly clear, accurately, conveniently check, and, can make the display surface of the LED screen body of composition or LED display casing or LED display more attractive in appearance; And identify unit 301 embeddings are arranged on the described LED module, can make identify unit 301 deposit, use, be not easy to come off under the situation such as transportation, make LED module, still can clearly recognize each performance parameter of each LED light emitting diode through long storage time, use or transportation.
And for example, indicate unit 301 and can be a paper labels or plastic label; In addition, indicate unit 301 and can also bar code can be imported computer like this, adopt the electronic tool management simultaneously for having the bar code that designs according to described LED light emitting diode performance parameter, management is standardized more, make in searching, more convenient when using each LED module.
Implement 3
As shown in Figure 4, similar with embodiment 2 to embodiment 1, this example provides a kind of LED screen body 106, and LED screen body 106 is made up of several LED modules, for example is made up of LED module 101, LED module 102, LED module 103 and LED module 104.Present embodiment also provides a kind of LED display casing, and the LED display casing comprises that some above-mentioned LED modules make up some described LED display casings and can form a described LED screen body.Present embodiment also provides a kind of LED display, and LED display can directly be made of the described LED screen of present embodiment body, also can be made of some described LED display casings.
This example is with the difference of embodiment 1 and embodiment 2, in this example, each LED module also is provided with a data processing unit 401, this data processing unit 401 is used for each performance parameter according to each the LED module on the identify unit, select the performance parameter of best LED module, and handle each signal data, described signal data is passed to described control module, by the performance parameter of described control module according to the best, adjust the brightness of each LED light emitting diode on its corresponding LED module, make the brightness of each LED module reach consistent; Simultaneously, by adjusting the brightness ratio of the LED light emitting diode of three kinds of colors of red, green, blue in each LED module, make the colourity of each LED module of different colourities reach consistent, and, make adjusted each LED module, be shown brightness and the colourity that goes out of optimum performance parameters.
In addition, also can adjust the brightness of each the LED light emitting diode on a plurality of LED modules, make the brightness of different LED module all reach consistent with colourity by a data processing unit 401 is set.The quantity of each LED module that each data processing unit 401 is adjusted is by the decision that is provided with of data processing unit 401 itself.
Each monochromatic LED light emitting diode is after producing shaping, its wavelength is determined, can not regulate again, therefore, make the display performance unanimity between different each LED module, can reach by regulating its brightness, make each the LED diode displaying performance unanimity on the described LED display, make display effect good, and, avoid occurring mosaic phenomenon.
Embodiment 4
As shown in Figure 5, present embodiment provides a kind of LED display system, and this LED display system comprises a LED display 503, harvester 501 and control device 502.LED display 503 can be the described LED display of each specific embodiment among the embodiment 1 to 3, also can be the screen of the LED in each specific embodiment body among the embodiment 1 to 3, or the LED display of forming by some LED display casings in each specific embodiment among the embodiment 1 to 3.
Wherein, a data processing unit 401, one data processing units 401 can only be set and regulate a plurality of LED modules simultaneously.The quantity of the data processing unit 401 consistent with LED module quantity can also be set, each data processing unit 401 corresponding LED module of regulating, and, according to each parameter on its corresponding identification unit of each LED module, regulate the brightness of each the LED light emitting diode on its corresponding LED module, make each LED module brightness of adjusting consistent with colourity, the display performance unanimity of LED display, display effect is better good.
Described control module, the ZQ9705 series intelligent control chip that can adopt the Beijing Zhongqing Micro-digit Equipment Development Co., Ltd to produce, by handling PC, and " the photochromic adjustment software " that uses Beijing Zhongqing Micro-digit Equipment Development Co., Ltd's exploitation reads each performance parameter on the identify unit of each LED module, send data to ZQ9705 series intelligent control chip after analyzing computing, send data to drive control module by ZQ9705 series intelligent control chip again, can easily realize the brightness of led module and the adjustment of colourity.
Described harvester 501 is used to obtain the required video data of adjusting on the display screen 503 of each lamp point, and sends to described control device 502.The data that harvester 501 is gathered can also can be the various storage cards of importing video data in advance etc. from PC.
Described control device 502 by data transmission link, receives the video data from harvester 501, and according to described video data, handles to generate and adjust data, sends to described data processing unit 401.
Embodiment 5
Originally be the method for making that embodiment provides a kind of LED display screen body, at first, adopt the beam split color scanner that each LED light emitting diode of each production batch is carried out stepping, each LED light emitting diode that brightness is identical with colourity is as a class, and each the LED light emitting diode that is about to performance parameter unanimities such as each colour temperature, wavelength is as a class.Present beam split color scanner can reach: the color separation precision: 1 nanometer, and the beam split precision: 1%, stepping: 80 or more, letter sorting efficient: machine one leaves, large-scale production, the beam split color separation is with low cost.In addition, also can directly adopt by manufacturer provides, each the LED light emitting diode that has divided class and had identical colourity.
Then, each LED light emitting diode that will have same brightness and colourity is evenly arranged, and forms a LED module, and each LED light emitting diode of different class can be formed several LED modules, and each led module is can colourity identical, or is the colourity difference.
When needs make than relatively large LED display screen body the time, can select some LED modules of needs, each LED module can be different colourities and different brightness, performance parameter according to each the LED light emitting diode on each LED module, as model, brightness, colour temperature, wavelength, operating voltage or the like, pass through computing machine, PC PC for example, adopt adjustment software that the homogeneity of each LED module is analyzed, and select the performance parameter data an of the best, generally can select in each LED module performance parameter the most placed in the middle, or display effect best performance parameter, or the performance parameter of the most approaching requirement etc.; The data of adjusting after software will be analyzed pass to a control module that is arranged on each LED module by circuit, and described control module carries out the brightness adjustment according to described optimum performance parameters data to each LED light emitting diode in each LED module.
By adjusting the brightness of each LED light emitting diode in each LED module respectively, make the brightness unanimity between each LED modules of former different brightness, and adjust the brightness ratio of the LED light emitting diode of three kinds of colors of red, green and blue simultaneously, make the colourity unanimity of former each LED module of different colourity.
For example, " the photochromic adjustment software " of serial intelligent control chip of the ZQ9705 that adopts the Beijing Zhongqing Micro-digit Equipment Development Co., Ltd to produce and exploitation.By handling the PC PC, make " photochromic adjustment software " read each performance parameter on the identify unit of each LED module, send data to ZQ9705 series intelligent control chip after analyzing computing, send data to drive control module by ZQ9705 series intelligent control chip again, can easily realize the brightness and the colourity adjustment of led module.
At last, will adjust, and brightness each LED module identical with colourity, control circuit is set, can form the LED display screen body of present embodiment.
When the brightness of adjusting each LED module and colourity, realize by on each LED module, establishing a control module.Described control module comprises an analysis module and an adjusting module; Described analysis module is provided with a signal input interface, be used to receive external control signal, for example, analysis module is connected with the PC PC of outside, go out the optimum performance parameters of each LED module by the software analysis of PC PC, and relevant data signals passed to described analysis module, described analysis module receives described signal, analyze each performance parameter of its corresponding LED module and the difference of optimum performance parameters, and output is adjusted signal to described adjusting module, described adjusting module is connected with each LED light emitting diode respectively, be used for according to the described adjustment signal that receives, adjust the brightness of each the LED light emitting diode on its corresponding LED module, make the brightness and the colourity of its corresponding LED module reach shown brightness of optimum performance parameters and colourity, thereby it is all consistent with colourity to reach the brightness that makes each LED module.Above-described performance parameter comprises brightness, wavelength and forward operating voltage.
Perhaps, described control module also can be connected with at least one data processing unit, this data processing unit is used for each performance parameter according to each the LED module on the identify unit, select the performance parameter of best LED module, and handle each signal data, described signal data is passed to described control module, adjust on its corresponding LED module by described control module, the brightness of each LED light emitting diode, and, red by adjusting, the brightness ratio of green and blue three-color LED light emitting diode, so that the brightness of each LED module all reaches consistent with colourity, thus the display performance unanimity that makes the LED display of present embodiment shield body, make display effect good, simultaneously, also avoided " mosaic ", or " flower screen ", " dirty screen ", phenomenons such as " mist screens ".
In addition, can also on this LED module at least one identify unit be set also after forming led module, described identify unit is used to identify the parameter of each LED light emitting diode disposed thereon, for example, the model of each LED light emitting diode, brightness, wavelength, colour temperature, operating voltage or the like.
Described identify unit embeds the edge part that is arranged on its corresponding LED module, for example, can be arranged on each side of LED module; In addition, can also be arranged on the edge of side of LED display.
For example, identify unit is arranged on the edge part of its corresponding LED module, each parameter of each LED module is perfectly clear, accurately, conveniently check, and, can make the display surface of the LED screen body of composition or LED display casing or LED display more attractive in appearance; And the identify unit embedding is arranged on the described 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 each parameter of each LED light emitting diode through long storage time, use or transportation.
And for example, indicate the unit and can be a paper labels or plastic label; In addition, indicating unit further is to have the bar code that designs according to described LED light emitting diode parameter, bar code can be imported computer like this, adopts the electronic tool management simultaneously, management is standardized more, make in searching, more convenient when using each LED module.
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, a kind of method for making of LED screen body is characterized in that, comprises the steps:
A, for a LED module, select LED light emitting diode with identical colourity, evenly arrange, form described LED module;
B, select each LED module, analyze its homogeneity, adjust the brightness of each LED light emitting diode in each LED module respectively, make the brightness of each LED module identical with colourity;
C, each LED module is formed described LED screen body.
2, method for making according to claim 1, it is characterized in that, in steps A, selection has the LED light emitting diode of identical colourity, the concrete following steps of carrying out: adopt the beam split color scanner, each LED light emitting diode to each production batch carries out the colourity stepping, selects the LED light emitting diode with identical colourity.
3, method for making according to claim 1 is characterized in that, in steps A, forms after the described LED module, also identifies the performance parameter of each LED light emitting diode on the described LED module, and described performance parameter comprises brightness and wavelength;
And, among the step B,, analyze the homogeneity of each LED module according to described performance parameter.
4, method for making according to claim 3, it is characterized in that, in step B, analyze each LED module homogeneity, the concrete following steps of carrying out:, analyze the homogeneity between the LED module of different colourities according to the performance parameter of each the LED light emitting diode on each LED module; Wherein, described performance parameter comprises brightness and wavelength.
5, method for making according to claim 3, it is characterized in that, in step B, the concrete following steps of carrying out: select each LED module, obtain its performance parameter, the homogeneity of each LED module is analyzed, select the data of optimum performance parameters by PC, respectively each LED light emitting diode in each LED module is carried out the brightness adjustment, make the brightness of each LED module identical with colourity.
6, method for making according to claim 5, it is characterized in that, in step B, adjust the brightness of each LED light emitting diode in each LED module, the concrete following steps of carrying out: by each LED module, respectively according to the data of described optimum performance parameters, each LED light emitting diode is wherein carried out the brightness adjustment.
7, a kind of LED display casing is characterized in that, comprises some LED modules, evenly is placed with some LED light emitting diodes on the described LED module;
Each LED light emitting diode colourity in arbitrary LED module is identical;
On each LED module a control module is set, described control module comprises an analysis module and an adjusting module;
Described analysis module is provided with a signal input interface, is used to receive external control signal, analyzes each performance parameter of its corresponding LED module, and signal is adjusted in output, and wherein, described performance parameter comprises brightness and wavelength;
Described adjusting module is connected with each LED light emitting diode respectively, is used for adjusting the brightness and the colourity of each LED module according to described adjustment signal.
8, LED display casing according to claim 7 is characterized in that, an identify unit also is set, and is used for identifying the performance parameter of each each LED light emitting diode of LED module, and described performance parameter comprises brightness, wavelength and colour temperature at least;
Described identify unit is a paper labels or plastic label; Perhaps, has the bar code that designs according to described LED light emitting diode parameter.
9, a kind of LED display is characterized in that, comprises that several are as claim 7 or 8 described LED display casings;
And described LED display also comprises at least one data processing unit, is used to receive outside processing signals, and sends to described control module, to each casing, adjusts the wherein brightness of each LED light emitting diode, makes the brightness of each casing identical with colourity.
10, a kind of LED display system is characterized in that, comprises harvester, control device and LED display as claimed in claim 9;
Described harvester is used to obtain adjust and states the required video data of each lamp point of display screen, sends to described control device;
Described control device is used for according to described video data, handles to generate and adjusts data, sends to described data processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910077963.0A CN101477774B (en) | 2009-02-05 | 2009-02-05 | LED screen manufacturing process, display screen box, display screen and display screen system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910077963.0A CN101477774B (en) | 2009-02-05 | 2009-02-05 | LED screen manufacturing process, display screen box, display screen and display screen system |
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| Publication Number | Publication Date |
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| CN101477774A true CN101477774A (en) | 2009-07-08 |
| CN101477774B CN101477774B (en) | 2015-01-28 |
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| CN200910077963.0A Expired - Fee Related CN101477774B (en) | 2009-02-05 | 2009-02-05 | LED screen manufacturing process, display screen box, display screen and display screen system |
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| CN102385817B (en) * | 2011-11-28 | 2016-06-01 | 刘敬梅 | A kind of LED display screen system and management method thereof |
| CN102385817A (en) * | 2011-11-28 | 2012-03-21 | 冉红 | LED (light-emitting diode) display screen system and management method thereof |
| CN104040615A (en) * | 2011-12-27 | 2014-09-10 | 三菱电机株式会社 | Display device |
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| CN104581417A (en) * | 2015-01-08 | 2015-04-29 | 深圳市奥拓电子股份有限公司 | Program editing and broadcasting method and device based on LED peripheral screen |
| CN104900166A (en) * | 2015-05-05 | 2015-09-09 | 吕东波 | Border-free display cover |
| CN105139778A (en) * | 2015-05-18 | 2015-12-09 | 闫新 | Backlight adjustable light display device |
| CN104966468A (en) * | 2015-06-24 | 2015-10-07 | 深圳市中庆光电显示科技开发有限公司 | LED box, LED display screen and LED display system |
| CN107527984A (en) * | 2016-06-22 | 2017-12-29 | 惠州雷通光电器件有限公司 | Silicon resin glue and its application process in LED encapsulation |
| CN109282178A (en) * | 2018-08-24 | 2019-01-29 | 京东方科技集团股份有限公司 | Lamp bar and preparation method thereof, display device |
| US11598498B2 (en) | 2018-08-24 | 2023-03-07 | Beijing Boe Optoelectronics Technology Co., Ltd | Light bar, method for fabricating same, and display apparatus |
| CN109540472A (en) * | 2018-10-11 | 2019-03-29 | 长春希达电子技术有限公司 | The application method of the hybrid stepping method of LED luminescence chip and its luminescence chip |
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