CN101694271A - LED module and LED display device - Google Patents
LED module and LED display device Download PDFInfo
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- CN101694271A CN101694271A CN200910085668A CN200910085668A CN101694271A CN 101694271 A CN101694271 A CN 101694271A CN 200910085668 A CN200910085668 A CN 200910085668A CN 200910085668 A CN200910085668 A CN 200910085668A CN 101694271 A CN101694271 A CN 101694271A
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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
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Abstract
The invention discloses an LED module and an LED display device, wherein the LED module comprises at least one LED unit; the LED unit is provided with different colors of LEDs, and the numbers of all colors of LEDs are same; the LEDs of same color are in the same sorting grade and an adjacent sorting grade; a fixing panel is provided with at least one fixing position for fixing at least one LED unit; and all LED modules forming the LED display device are same in illuminating color gamut. The invention has the advantages of uniform display and good displaying and heat dissipating effects.
Description
Technical field
The present invention relates to the LED lighting device, in particular, a kind of led module and LED display unit.
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 required precision 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 make screen will fry lamp before, promptly the LED lamp back mixing of N class is stirred together and realizes all evenly mixing, and its purpose is, the difference between class is broken up, with the inhomogeneities of elimination monoblock.Though but the way of doing has like this been eliminated the big-difference between the module, the difference in the module between the LED lamp is obviously changed, the demonstration heterogeneity of whole screen, and display effect is poor.And, make the processing of high-precision LED lamp beam split color separation, do not have due effect in the stage of LED display production, cause 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, like this, the difficulty of also increased production, producing and repairing again.
Therefore, there is defective in prior art, needs to improve.
Summary of the invention
Technical problem to be solved by this invention is because the LED lamp of each class is evenly mixed, and causes led module, and in led module of forming or the LED display unit each LED light emitting diode difference obviously, show that heterogeneity, display effect are poor.
Technical scheme of the present invention is as follows: a kind of led module wherein, comprises an at least one LED unit and a fixed panel; Described LED unit is provided with the identical LED light emitting diode of all kinds of quantity; Each LED light emitting diode of same color is the LED light emitting diode of same minute gear selecting and adjacent minute gear selecting thereof; Described fixed panel is provided with at least one fixed bit, is used for corresponding fixing at least one LED unit.
Described led module, wherein, each LED unit rules is installed on the described fixed panel in order.
Described led module, wherein, each LED light emitting diode of same color is the LED light emitting diode of same minute gear selecting.
Described led module, wherein, described fixed panel is set to a heat conduction fixed panel, and its surface also is provided with a heat conductive insulating layer.
Described led module wherein, also is provided with some heat radiation through holes at described fixed panel.
Described led module, wherein, described heat conductive insulating layer is the heat conductive insulating layer of silica gel, the outer surface of described heat conductive insulating layer of silica gel also is stained with light absorbent.
Described led module wherein, also is provided with an identify unit, is used to identify the performance parameter of described led module.
A kind of LED display unit wherein, comprises and two as above arbitrary described led modules at least; Each described led module is the led module with identical luminous colour gamut.
Described LED display unit wherein, also is provided with at least one identify unit, is used to identify the performance parameter of described LED display unit.
Described LED display unit wherein, also is provided with a regulation and control unit, is used for the performance parameter according to described LED display unit, adjusts in each led module the brightness of LED light emitting diode of all kinds.
Adopt such scheme, the present invention forms accurate led module by the LED light emitting diode of all kinds that adopts same minute gear selecting and adjacent minute gear selecting thereof, led module has concrete, an accurate performance parameter data value, simple to operate, quick at aspects such as daily use, management and assemblings, and, show that homogeneous, display effect are good.
Description of drawings
Fig. 1 is the schematic diagram of the embodiment one of led module among the present invention;
Fig. 2 is the schematic diagram of the embodiment two of led module among the present invention;
Fig. 3 is the schematic diagram of the embodiment three of led module among the present invention;
Fig. 4 is the schematic diagram of LED display unit among the present invention.
The specific 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 module, and described led module comprises at least one a LED unit 102 and a fixed panel 101, the quantity of LED unit 102 can be provided with according to the actual requirements, can be for one or more, and, be fixed on the described panel 101.
Each LED unit 102 is provided with the identical LED light emitting diode of all kinds of quantity, and each LED light emitting diode of same color is the LED light emitting diode of same minute gear selecting.
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, adopt beam split color scanner to carry out stepping each LED light emitting diode of same color, promptly can obtain the LED light emitting diode of different class of all kinds.
For example, described led module is provided with LED unit X and LED unit Y, and LED unit X comprises one or more LED light emitting diodes, and LED unit Y comprises one or more LED light emitting diodes; And LED unit X and LED unit Y comprise the quantity of LED light emitting diode, and be all identical with the color of combination; As, LED unit X comprise 1 red LED light emitting diode, 1 green LED light emitting diode and 1 blue led light emitting diode and, LED unit Y also comprises 1 red LED light emitting diode, 1 green LED light emitting diode and 1 blue led light emitting diode.
And, each LED light emitting diode is and adopts same minute gear selecting that the beam split color scanner obtains, be in the described led module, all red LED light emitting diodes only adopt the LED light emitting diode of a branch gear selecting, all green LED light emitting diodes only adopt the LED light emitting diode of a branch gear selecting, and all blue led light emitting diodes also only adopt the LED light emitting diode of a branch gear selecting; For example, select A to divide the LED light emitting diode of 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 the color that each LED light emitting diode people's in a certain wave-length coverage naked eyes are seen is identical, promptly can think the consistent wavelength of all the LED light emitting diodes in wave-length coverage.
And the arrangement mode of each LED unit 102 is identical, for example, in each LED unit 102,1 red LED light emitting diode, 1 green LED light emitting diode and 1 blue led light emitting diode are set all, and each LED light emitting diode is all triangular in shape arranges; Perhaps, in each LED unit 102,2 red LED light emitting diodes, 1 green LED light emitting diode and 1 blue led light emitting diode are set all, and each LED light emitting diode all is quadrangle and arranges.
Because, the quantity of the color of each LED light emitting diode combined, combination is all identical with the shape of arranging in each LED unit 102, and, in the described led module, the LED light emitting diode that each color is identical adopts the LED light emitting diode of same minute gear selecting, therefore, make the led module of composition and the LED display unit of forming by each led module, when display graphics, literal, letter, animation etc., show homogeneous, display effect is good.
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.
Perhaps, an example is, LED light emitting diode of all kinds can also be selected 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 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 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 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.
Also be provided with fixed bit on the described fixed panel 101, be used for correspondence and fix each LED unit, as, can each LED unit be fixed on the described fixed panel 101 by conventional fixture is set.Conventional fixture can be screw, rivet, latch, scolding tin, viscose glue, clamp etc.Each LED unit can adopt one or more fixtures, and correspondence is fixed on the fixed bit, for example, fix the dual-side of a LED unit respectively by two screws, thereby this LED unit is fixed on the fixed bit of described fixed panel 101.
Described fixed panel 101 can also can be flexible fixed panel for rigidly fixing panel, as be set to plastics, canvas, plank, metal etc.; And each LED unit rules is installed on the described fixed panel 101 in order, described regular referring to, and arranging of each LED unit has definite rule, as, arrange according to dot matrix, or arrange or the like according to the shape of figure, letter, literal etc.
Embodiment 2
As shown in Figure 2, on above-mentioned each routine basis, described fixed panel 101 is set to a heat conduction fixed panel, for example, can be the metal fixed panel, preferably can be the aluminium alloy fixed head; The metal fixed head, especially the aluminum metal fixed head has extraordinary heat conductivility, and the heat that described led module can be given out is derived outside rapidly.
And; the surface of described fixed panel 101 also is provided with a heat conductive insulating layer 201; as; heat conductive insulating layer 201 can be the heat-conducting insulating silicon glue-line; can be heat conductive insulating organosilicon glue-line, organic silica gel has characteristics such as heatproof, weather-proof, electric insulation, can play the protective effect of insulation and waterproof to the present embodiment led module; and, the heat on the described fixed panel 101 can be derived outside.
Embodiment 3
As shown in Figure 3, on above-mentioned each routine basis, on described fixed panel 101, also be provided with some heat radiation through holes 301, heat radiation through hole 301 has enlarged the contact-making surface between described fixed panel 101 and air, can pass through flowing of air, the heat on the fixed panel 101 is taken away.
The shape and the size of heat radiation through hole 301 can be provided with according to actual needs, do not do any restriction herein.
And, the outer surface of described heat conductive insulating layer of silica gel 201 also is stained with light absorbent, the display surface that is the present embodiment led module is provided with the light absorbent layer, the light absorbent layer is arranged on the outer surface of described heat insulation layer of silica gel by the mode that adheres to, can absorb the light of the display surface that is radiated at the present embodiment led module, make the display surface of present embodiment led module not be subjected to the influence of light such as other reflections, refraction, diffusion, make display effect better.
Embodiment 4
On the basis of above-mentioned each example, in the present embodiment, led module also is provided with an identify unit, and described identify unit is used to identify each performance parameter of present embodiment led module; Each performance parameter can be in the described led module, and the brightness of each LED light emitting diode and wave-length coverage in addition, can also identify shape, size of color, encapsulation, size and the described led module of each LED light emitting diode etc.
The brightness of same color light emitting diode in each led module, encapsulation, big or small identical, and consistent wavelength, so each LED light emitting diode of the interior same color of a led module, can see a LED light emitting diode as identifies, has accurate performance parameter numerical value, therefore, the sign content is simple, convenient.
Each identify unit can adopt the mode that embeds or paste, can be arranged on the edge part of described led module, for example, be arranged on each side of described led module, or be arranged on arbitrary side of described led module, in addition, can also be arranged on the edge of side of described led module, identify unit is arranged on the side, can make identify unit not take each LED light emitting diode, and the installation site of other electronic devices and components, and, do not influence display surface specious of present embodiment led module yet.
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 described led module, still can clearly recognize each performance parameter of described led module through long storage time, use or transportation.
And for example, 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 the side or side of described led module, 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 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 described led module of each performance parameter convenient, quick by data are imported computer.
Embodiment 5
As shown in Figure 4, present embodiment provides a kind of LED display unit, and described LED display unit can show a casing or a LED display for a LED; Described LED display unit comprises two or two above embodiment 1 to 4 arbitrary described led modules, as, present embodiment LED display unit comprises led module 401 and led module 402.
Led module 401 and led module 402 can be mutually permanently connected, and for example, can interfix by fixture is set, and form a LED display unit; Each fixture can be screw, rivet, latch, scolding tin, viscose glue, clamp etc.
Between led module 401 and the led module 402, have identical luminous colour gamut, described luminous colour gamut refers to, and LED light emitting diode of all kinds is consistent in the brightness ratio of its corresponding LED modules.
For example, in described led module 401 and the described led module 402, the red LED light emitting diode of She Zhiing, green LED light emitting diode and blue led light emitting diode are the LED light emitting diode of all kinds of same minute gear selecting or adjacent minute gear selecting respectively, because the brightness of LED light emitting diode of all kinds, encapsulation, big or small identical, and consistent wavelength, therefore, described led module 401 has identical luminous colour gamut with described led module 402.
Embodiment 6
On the basis of embodiment 5, in the present embodiment, the LED display unit also is provided with one or more identify unit, and the quantity of set identify unit can only be set to one, is used for the performance parameter of whole sign present embodiment LED display unit; Perhaps, a plurality of identify units are set and identify the different performance parameter of LED display unit among the embodiment respectively.
For example, present embodiment can only be provided with an identify unit, each performance parameter of described LED display unit can comprise, the package assembly of described LED display unit and luminous colour gamut, for example, described package assembly is, be assembled into the quantity and the size of each led module of described LED display unit, perhaps, the spacing of adjacent each LED unit, or, the shape of described LED display unit and size etc.; Described luminous colour gamut can for, form each led module of described LED display unit, the identical luminous colour gamut that has.
Perhaps, on the LED display unit two or more identify units are set in the present embodiment, be used to identify the different performance parameter of described LED display unit, for example, identify unit a and identify unit b are set, identify unit a is used to identify the package assembly of described LED display unit, and identify unit b is used to identify the luminous colour gamut of described LED display unit.
Each identify unit can adopt the mode that embeds or paste, can be arranged on the edge part of described LED display unit, for example, be arranged on each side of described LED display unit, or be arranged on arbitrary side of described LED display unit, in addition, can also be arranged on the edge of described LED display unit side, identify unit is arranged on the side, can make identify unit not take each LED light emitting diode, and the installation site of other electronic devices and components, and, do not influence yet the LED display unit display surface specious.
And the identify unit embedding is arranged on the described LED display unit, can make identify unit deposit, use, be not easy to come off under the situation such as transportation, make described LED display unit, still can clearly recognize each performance parameter of described LED display through long storage time, use or transportation.
And for example, 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 the side or side of described LED display unit, 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 identify unit can also design for each performance parameter that has according to described LED display unit can show each specific performance parameter of described LED display unit by scanning; Adopt bar code,, adopt the electronic tool management simultaneously, management is standardized more, make when seeking, using the described LED display of each performance parameter convenient, quick by data are imported computer.
Embodiment 7
On the basis of embodiment 5 or embodiment 6, present embodiment LED display unit also is provided with a regulation and control unit, and described regulation and control unit is used for each performance parameter according to described LED display unit, adjusts the brightness of LED light emitting diode of all kinds.Each performance parameter of described LED display unit comprises each performance parameter of structure, luminous colour gamut and each the LED light emitting diode of forming the LED display unit, as the wavelength of each LED light emitting diode, brightness etc.
Each performance parameter of described LED display unit, can be the data that when producing each LED light emitting diode, obtain, also can be the performance parameter that obtains by the harvester collection, for example, can be by harvester collections such as camera and luminance meters, and, each performance parameter of LED light emitting diode of all kinds obtained by special analytical equipment, perhaps, can also be each performance parameter that directly obtains by identify unit.
Described regulation and control unit can be used to adjust the brightness of each the LED light emitting diode on the different LED module, as, adjust LED light emitting diode of all kinds in each group LED light emitting diode, promptly red, blue, the brightness ratio of green LED light emitting diode, can obtain different colour gamuts, therefore, can be by regulating the luminous ratio of LED light emitting diode in its corresponding LED modules of each primary colours, adopt the identical luminous colour gamut of led module, make the demonstration colour gamut of led module identical, eliminated the demonstration difference between the led module, thereby make the whole homogeneous that shows of LED display unit, display effect is good, and, also can obtain desired optimal viewing angle by adjusting the brightness of each LED light emitting diode.
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 led module is characterized in that, comprises an at least one LED unit and a fixed panel;
Described LED unit is provided with the identical LED light emitting diode of all kinds of quantity;
Each LED light emitting diode of same color is the LED light emitting diode of same minute gear selecting and adjacent minute gear selecting thereof;
Described fixed panel is provided with at least one fixed bit, is used for corresponding fixing at least one LED unit.
2. led module according to claim 1 is characterized in that, each LED unit rules is installed on the described fixed panel in order.
3. led module according to claim 1 is characterized in that, each LED light emitting diode of same color is the LED light emitting diode of same minute gear selecting.
4. led module according to claim 1 is characterized in that, described fixed panel is set to a heat conduction fixed panel, and its surface also is provided with a heat conductive insulating layer.
5. led module according to claim 4 is characterized in that, also is provided with some heat radiation through holes at described fixed panel.
6. led module according to claim 4 is characterized in that, described heat conductive insulating layer is the heat conductive insulating layer of silica gel, and the outer surface of described heat conductive insulating layer of silica gel also is stained with light absorbent.
7. led module according to claim 1 is characterized in that, an identify unit also is set, and is used to identify the performance parameter of described led module.
8. a LED display unit is characterized in that, comprises and at least two as the arbitrary described led module of claim 1 to 7;
Each described led module is the led module with identical luminous colour gamut.
9. LED display unit according to claim 8 is characterized in that, at least one identify unit also is set, and is used to identify the performance parameter of described LED display unit.
10. LED display unit according to claim 8 is characterized in that, a regulation and control unit also is set, and is used for the performance parameter according to described LED display unit, adjusts in each led module the brightness of LED light emitting diode of all kinds.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910085668A CN101694271A (en) | 2009-05-26 | 2009-05-26 | LED module and LED display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910085668A CN101694271A (en) | 2009-05-26 | 2009-05-26 | LED module and LED display device |
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| CN101694271A true CN101694271A (en) | 2010-04-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730070A (en) * | 2013-12-18 | 2014-04-16 | 青岛威力电子科技有限公司 | LED unit, LED module, and LED display device |
| CN107086011A (en) * | 2017-05-12 | 2017-08-22 | 惠州三华工业有限公司 | Display |
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| JP2004184669A (en) * | 2002-12-03 | 2004-07-02 | Nichia Chem Ind Ltd | Led unit |
| CN101153703A (en) * | 2006-09-30 | 2008-04-02 | 庞维健 | Cooling structure of LED lamp |
| US20080122832A1 (en) * | 2006-11-29 | 2008-05-29 | Hong Kong Applied Science and Technology Research Institute Company Limited | Image display apparatus |
| CN101270867A (en) * | 2007-10-16 | 2008-09-24 | 蔡建平 | Radiating plate structure capable of improving LED radiating effect |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004184669A (en) * | 2002-12-03 | 2004-07-02 | Nichia Chem Ind Ltd | Led unit |
| CN101153703A (en) * | 2006-09-30 | 2008-04-02 | 庞维健 | Cooling structure of LED lamp |
| US20080122832A1 (en) * | 2006-11-29 | 2008-05-29 | Hong Kong Applied Science and Technology Research Institute Company Limited | Image display apparatus |
| CN101270867A (en) * | 2007-10-16 | 2008-09-24 | 蔡建平 | Radiating plate structure capable of improving LED radiating effect |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103730070A (en) * | 2013-12-18 | 2014-04-16 | 青岛威力电子科技有限公司 | LED unit, LED module, and LED display device |
| CN107086011A (en) * | 2017-05-12 | 2017-08-22 | 惠州三华工业有限公司 | Display |
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Application publication date: 20100414 |