CN101645220A - Ground display screen module and ground display screen - Google Patents
Ground display screen module and ground display screen Download PDFInfo
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- CN101645220A CN101645220A CN200910085665A CN200910085665A CN101645220A CN 101645220 A CN101645220 A CN 101645220A CN 200910085665 A CN200910085665 A CN 200910085665A CN 200910085665 A CN200910085665 A CN 200910085665A CN 101645220 A CN101645220 A CN 101645220A
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Abstract
The invention discloses a ground display screen module and a ground display screen. The ground display screen module comprises a shell, a panel, a fixed board and a plurality of LED units, wherein, the fixed board is fixed in the shell; each LED unit comprises a printed circuit board (PCB), at least a light-emitting diode (LED) and a drive control module of the LED; adjacent LED units are connected by power wires and signal wires; the fixed board is provided with a plurality of installation positions corresponding to each LED unit, and the plurality of installation postions are raised parts with inner cavities; the installation positions are raised towards the panel; the inner cavities contain the LED units; the shapes and sizes of the inner cavities are identical with the shapes and sizesof the LED units contained corresponding to the inner cavities; the panel is non-lighttight and covers the shell. The ground display screen comprises at least two ground display screen modules. The invention has good load-bearing capacity, can be randomly trodden and enjoys rich display contents and diverse variations.
Description
Technical field
The present invention relates to the LED lighting device, in particular, a kind of ground display screen module and ground display screen.
Background technology
Light is the most magnificent coat in stage dance hall, and along with the stage dance hall becomes the important amusement and recreation place of people gradually, people are also more and more higher to the requirement of its light decoration.Modern stage from smallpox to all around all by the magnificent mansion of light decoration, but the ground of stage really is the bottleneck of light decoration always only, because the ground of stage need be born dancer's the jumping of rising and be trampled, and general lamp body all has the shortcoming of easy fragmentation, is difficult to be directly installed on the ground.Certainly, also there is people's firm floor-lamp that some are special to be installed on the stage ground,, but, lacks variation, still can't satisfy the requirement of consumer stage effect because its light coloring is single for stage floor has increased some brilliance.
Therefore, there is defective in prior art, needs to improve.
Summary of the invention
Technical matters to be solved by this invention is because general lamp body has the shortcoming of easy fragmentation, be difficult to install on the ground, and special firm ground lamp color is single, lack variation, be difficult to satisfy ground display screen module and ground display screen with stage effect.
Technical scheme of the present invention is as follows: a kind of ground display screen module wherein, comprises housing, panel, fixed head and some LED unit; Described fixed head is fixedly installed on described enclosure interior; Each LED unit comprises pcb board, at least one LED light emitting diode and drive control module thereof, and the adjacent LED unit is connected with signal wire by power lead; Corresponding each LED unit, described fixed head is provided with some installation positions, and described installation position is one to have the protuberance of inner chamber, and its protrusion direction is towards described panel; Described inner chamber ccontaining one described LED unit, and the shape of the shape of described inner chamber and the corresponding ccontaining LED unit with it of size is with big or small consistent; Described panel is a light penetrating panel, covers on the described housing.
Described ground display screen module, wherein, 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.For example, each described LED unit rules is installed on the described pcb board in order.For example, arbitrary LED unit is provided with the identical LED light emitting diode of all kinds of quantity, and in each LED unit, the arrangement mode of LED light emitting diode of all kinds is identical; The LED light emitting diode that each color is identical is set to that brightness is identical, consistent wavelength, encapsulation is identical, shape is identical with big or small identical, and, be the LED light emitting diode of same minute gear selecting and adjacent minute gear selecting thereof.
Described ground display screen module, wherein, each LED light emitting diode that color is identical is the LED light emitting diode of same minute gear selecting.
Described ground display screen module, wherein, described fixed head also is provided with trough, is used to place power lead and the signal wire that connects the adjacent LED unit.
Described ground display screen module, wherein, described fixed head is the metal rigidity fixed head.
Described ground display screen module, wherein, the height of each installation position equates, and each installation position and described panel are fixedly connected.
Described ground display screen module wherein, also is provided with an identify unit, is used to identify the performance parameter of described ground display screen module.
A kind of ground display screen wherein, comprises at least two as above arbitrary described ground display screen module; Has identical luminous colour gamut between each ground display panel module.
Described ground display screen wherein, also is provided with at least one identify unit, is used to identify the performance parameter of described ground display screen.
Described ground display screen wherein, also is provided with a regulation and control unit, is used for adjusting each LED unit, the brightness of LED light emitting diode of all kinds.
Adopt such scheme, the present invention is by being provided with a fixed head, the installation position that is provided with on the described fixed head is one to have the protuberance of inner chamber, each LED unit is placed in the inner chamber of its corresponding protuberance, and described fixed head can bear jumping of dancer and trample, and each LED unit is had the effect of protection, and, the corresponding LED unit of each protuberance, very good to the protective effect of each LED unit, the load-bearing dynamics of a plurality of protuberances is also very good; And each LED unit can be provided with according to actual needs, can display graphics, literal, letter or animation, and displaying contents is abundant, changes variously, satisfies the stage display effect.
Description of drawings
Fig. 1 is the synoptic diagram of the embodiment one of ground display screen module among the present invention;
Fig. 2 is the synoptic diagram of the embodiment two of ground display screen module among the present invention;
Fig. 3 is the synoptic diagram of the embodiment three of ground display screen module among the present invention;
Fig. 4 is the synoptic diagram of ground display screen 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 ground display screen module, and described ground display screen module comprises housing 106, panel 103, fixed head 101 and some LED unit 102.
Described panel 103, described fixed head 101 and described LED unit 102 all are arranged in the described housing 106, described housing 106 is a stiff case, can adopt hard plastic, metal material etc. to make, described housing 106 shapes are consistent with the shape of present embodiment ground display screen module, can be circle, ellipse, triangle, square, pentagon and hexagon or the like, usually, described housing 106 shapes are set to square, with the assembling and the fixed installation of convenient described ground display screen module.
Described panel 103 is a light penetrating panel, can be printing opacity transparent panel or the opaque panel of printing opacity, as, be tempered glass, have good rigidity, be not easy to be trampled on, described panel 103 covers on the described housing 106, and, be fixedly connected with described housing 106.The light that each LED unit sends penetrates outside through described panel 103, and as the display surface of present embodiment ground display screen module, is the face of viewing and admiring.
Described fixed head 101 is fixedly installed on the inside of described housing 106, for example, the side of described fixed head 101 and the sidepiece of described housing 106 can be fixed; Perhaps, the bottom surface of described fixed head 101 and the bottom of described housing 106 are fixed; Perhaps, the side of described fixed head 101 and the sidepiece of described housing 106 are fixed, and, the bottom surface of described fixed head 101 and the bottom of described housing 106 are fixed.
Described fixed head 101 preferably is set to the metal rigidity fixed head, the metal rigidity fixed head has good hardness, can play firm fixation to each LED unit 102 and described housing 106, and, the metal rigidity fixed head also has good thermal conductivity, the heat that each LED unit can be sent is dispersed rapidly, and, heat is derived outside by other heat abstractors, other heat abstractors can be louvre, heat radiator, fan etc., described metal rigidity fixed head can play preventing the amount of localized heat gathering, so that the function that some electronic devices and components burns out.
And, can make described fixed head 101 be fixed on the inside of described housing 106 by screw, rivet, latch, scolding tin, viscose glue or the like stationary installation is set.
Each LED unit 102 comprises a pcb board, and be arranged at least one LED light emitting diode and drive control module thereof on the described pcb board, at least be printed with power circuit and signal line on the described pcb board, and, be connected by independent each circuit 105 that is provided with between the adjacent LED unit, each circuit 105 comprises power circuit and signal line at least.
Described power lead can be one or more, is used to each LED light emitting diode and drive control module thereof that voltage is provided; Described signal wire also can be one or more, is used to transmit the LED control signal; The drive control module of each LED light emitting diode is used for the LED control signal according to each signal wire transmission, and each LED light emitting diode of drive controlling makes each LED light emitting diode realize functions such as display graphics, literal, letter and animation.
In addition, one or more power ground can also be set, each power ground is used for pouring unnecessary electric charge into the earth, to prevent that unnecessary electric current or forceful electric power gesture from damaging human body, and, also one or more signal ground can also be set, so that each signal wire is avoided other interference.
Corresponding each LED unit 102, on the described fixed head 106 installation position is set, the quantity that is described installation position is consistent with the quantity of mounted LEDs unit 102, one LED unit only is installed on each installation position, and, described installation position is set to have the protuberance of inner chamber 104, its protrusion direction is towards described panel 103, each LED unit 102 is placed in the inner chamber 104 of an installation position, inner chamber 104 can be circle, ellipse, triangle, quadrilateral, pentagon, hexagon etc., and its size is for holding a LED unit 102 at least.
And, preferably, the shape of the inner chamber 104 of each installation position is set to consistent with the shape of its corresponding mounted LEDs unit 102, and its size just in time can a ccontaining LED unit 102, for example, each LED unit only comprises LED light emitting diode circle lamp, give out light diode circle etc. of the shape of each installation position inner chamber and the size LED corresponding with it is consistent, and promptly each installation position inner chamber be circular, and it is big or small for just in time can the round lamp of a ccontaining LED light emitting diode; So, can play the better protection effect to each LED unit.
Each LED unit 102 correspondence is positioned in the inner chamber 104 of an installation position; 104 pairs of LED unit 102 placed within of each inner chamber have the effect of protection; described fixed head 101 is fixed each LED unit 102 and the described shell 106 except having; the effect that can also have load-bearing; when the people jumps on present embodiment ground display screen module when trampling, each weight directly drops on the described panel, and; be dispersed on each protuberance on the described fixed head 101, make each LED unit be not easy to be trampled on.
Embodiment 2
On the basis of above-mentioned each example, in the described ground display screen module, arbitrary LED unit is provided with the identical LED light emitting diode of all kinds of quantity, and, in each LED unit, the arrangement mode of LED light emitting diode of all kinds is identical, and LED light emitting diode of all kinds is the LED light emitting diode of same minute gear selecting and adjacent minute gear selecting thereof.
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 class of all kinds.
For example, arbitrary LED unit comprises one or more LED light emitting diodes, each LED light emitting diode is the LED light emitting diode that adopts the beam split color scanner to obtain, and, LED light emitting diode of all kinds is the LED light emitting diode of same minute gear selecting, promptly, in the present embodiment ground display screen 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.
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.
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 the arrangement mode of each LED unit is identical, for example, in each LED unit, 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, 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 quadrilateral 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, and, the LED light emitting diode that each color is identical adopts the LED light emitting diode of same minute gear selecting, therefore, make and form the ground display screen module, when display graphics, literal, letter, animation etc., show homogeneous, display effect is good.
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 inside modules.
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 get the LED light emitting diode of this minute gear selecting A for this color LED light emitting diode of one or more ground display screen 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 ground display screen 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.
Embodiment 3
As shown in Figure 2, on the basis of above-mentioned each example, also be provided with trough 201 on described fixed head 101, trough 201 is arranged on the surface of described fixed head 101.
For example; be arranged on described fixed head 101 with described panel 103 facing surfaces on; perhaps; be arranged on described fixed head 101 and described housing 106 facing surfaces; each circuit 105 that connects adjacent LED unit 102 is positioned in the trough 201; and; 201 pairs of each circuits 105 of trough play effect fixing and protection; and; the trough lid can also be set,, each circuit 105 be had protective effect so that each circuit 105 can not expose outside; and, make the surface aesthetic of described fixed head 101.
Embodiment 4
As shown in Figure 3, on the basis of above-mentioned each example, the height of each installation position of described fixed head 101 is set to equate that promptly the protuberance height of each installation position equates; And each installation position and described panel 103 are fixedly connected, and promptly the protuberance of each installation position and described panel 106 are fixedly connected.
For example, can be on described panel 103, or on the described protuberance fixed cell is set, and each installation position and described panel are fixedly connected, for example, the fixed cell of setting is screw, rivet, scolding tin, viscose glue, clamp etc.
Each installation position and described panel 103 are fixedly connected, and described panel 103 and described fixed head 101 are interfixed, and are not easy to be subjected to displacement, make the trample action of trampling the people on described panel safer, can not rock.
Embodiment 5
On the basis of above-mentioned each example, in the present embodiment, the ground display screen module also is provided with an identify unit, and described identify unit is used to identify each performance parameter of present embodiment ground display screen module; Each performance parameter can be the brightness and the wavelength coverage of each LED light emitting diode, in addition, can also identify color, encapsulation, the size of each LED light emitting diode, and shape of described LED unit and described ground display screen module, size etc.
The brightness of same color light emitting diode in the described ground display screen module, encapsulation, big or small identical, and consistent wavelength, so each LED light emitting diode of same color, 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 ground display screen module, for example, be arranged on each side of described ground display screen module, or be arranged on arbitrary side of described ground display screen module, in addition, can also be arranged on the edge of side of described ground display screen 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 ground display screen module yet.
And the identify unit embedding is arranged on the described ground display screen module, can make identify unit deposit, use, be not easy to come off under the situation such as transportation, make described ground display screen module, still can clearly recognize each performance parameter of described ground display screen module through long storage time, use or transportation.
And for example, identify unit can be a paper labels or plastic label; It is very convenient when in use to use paper labels to make, and for example, can directly paper labels be sticked on the side or side of described ground display screen module, and identification means is simple, and convenient.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 ground display screen module can show each specific performance parameter of described ground display screen module by scanning; Adopt bar code,, adopt the electronic tool management simultaneously, management is standardized more, make when seeking, using the described ground display screen module of each performance parameter convenient, quick by data are imported computer.
Embodiment 6
As shown in Figure 4, present embodiment provides a kind of ground display screen, described ground display screen comprises at least two as arbitrary described ground display screen module in above-mentioned each example, and for example, the present embodiment ground display screen comprises ground display screen module 401 and ground display screen module 402.
Between ground display screen module 401 and the ground display screen 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 ground display screen module.
For example, in ground display screen module 401 and the ground display screen 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, ground display screen module 401 has identical luminous colour gamut with ground display screen module 402.
Embodiment 6
On the basis of embodiment 5, in the present embodiment, described ground display screen also is provided with one or more identify unit, is used to represent the performance parameter of described ground display screen.
The quantity of set identify unit can only be set to one, is used for the performance parameter of whole sign present embodiment ground display screen; Perhaps, the different performance parameter that a plurality of identify units identify ground display screen in the present embodiment respectively is set.
For example, present embodiment can only be provided with an identify unit, each performance parameter of described ground display screen can comprise, the package assembly of described ground display screen and luminous colour gamut, for example, described package assembly is, be assembled into the quantity and the size of each ground display panel module of described ground display screen, perhaps, the spacing of adjacent each LED unit, or, the shape of described ground display screen and size etc.; Described luminous colour gamut can for, form the identical luminous colour gamut that each ground display panel module of described ground display screen has.
Perhaps, two or more identify units are set on the ground display screen in the present embodiment, be used to identify the different performance parameter of described ground display screen, for example, identify unit A and identify unit B are set, identify unit A is used to identify the package assembly of described ground display screen, and identify unit B is used to identify the luminous colour gamut of described ground display screen.
Each identify unit can adopt the mode that embeds or paste, can be arranged on the edge part of described ground display screen, for example, be arranged on each side of described ground display screen, or be arranged on arbitrary side of described ground display screen, in addition, can also be arranged on the edge of described ground display screen 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 display surface specious of ground display screen yet.
And the identify unit embedding is arranged on the described ground display screen, can make identify unit deposit, use, be not easy to come off under the situation such as transportation, make described ground display screen, still can clearly recognize each performance parameter that described ground shows screen 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 ground display screen, identification means is simple, and makes things convenient for.And use plastic label can make label more durable, be not easy infringement.
In addition, identify unit can also for, have the bar code that each performance parameter according to described ground display screen designs, can show each specific performance parameter of described ground display screen by scanning; Adopt bar code,, adopt the electronic tool management simultaneously, management is standardized more, make when seeking, using the described ground display screen of each performance parameter convenient, quick by data are imported computer.
Embodiment 7
On the basis of above-mentioned each example, the present embodiment ground display screen also is provided with a regulation and control unit, and described regulation and control unit is used for each performance parameter according to described ground display screen, adjusts the brightness of LED light emitting diode of all kinds.Each performance parameter of described ground display screen comprises the structure of forming ground display screen, the luminous colour gamut of each ground display panel module and each performance parameter of each LED light emitting diode, as the wavelength of each LED light emitting diode, brightness etc.
Each performance parameter of described ground display screen, 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 nitometers, 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 above-mentioned identify unit.
Described regulation and control unit can be used for adjusting the Different Ground display panel module, the brightness of each LED light emitting diode, as, between each ground display panel module, LED light emitting diode of all kinds adopts the LED light emitting diode of different class, be between each ground display screen mould, adopt the green LED light emitting diode of the red LED light emitting diode of different class, different class and the blue led light emitting diode of different class respectively, promptly the luminous colour gamut between each ground display panel module is inequality.
Therefore, can be by described regulation and control unit, adjust in each ground display screen module, LED light emitting diode of all kinds, promptly red, blue, the brightness ratio of green LED light emitting diode, can obtain different colour gamuts, promptly can be by regulating the luminous ratio of LED light emitting diode in its corresponding ground display screen module of each primary colours, adopt the identical luminous colour gamut of each ground display panel module, make the demonstration colour gamut of each ground display panel module identical, eliminated the demonstration difference between the ground display screen module, thereby make the whole homogeneous that shows of ground display screen, 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 kind of ground display screen module is characterized in that, comprises housing, panel, fixed head and some LED unit;
Described fixed head is fixedly installed on described enclosure interior;
Each LED unit comprises pcb board, at least one LED light emitting diode and drive control module thereof, and the adjacent LED unit is connected with signal wire by power lead;
Corresponding each LED unit, described fixed head is provided with some installation positions, and described installation position is one to have the protuberance of inner chamber, and its protrusion direction is towards described panel;
Described inner chamber ccontaining one described LED unit, and the shape of the shape of described inner chamber and the corresponding ccontaining LED unit with it of size is with big or small consistent;
Described panel is a light penetrating panel, covers on the described housing.
2, ground display screen module according to claim 1 is characterized in that, 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.
3, ground display screen module according to claim 2 is characterized in that, each LED light emitting diode that color is identical is the LED light emitting diode of same minute gear selecting.
4, ground display screen module according to claim 1 is characterized in that, described fixed head also is provided with trough, is used to place power lead and the signal wire that connects the adjacent LED unit.
5, ground display screen module according to claim 1 is characterized in that, described fixed head is the metal rigidity fixed head.
6, ground display screen module according to claim 1 is characterized in that, the height of each installation position equates, and each installation position and described panel are fixedly connected.
7, ground display screen 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 ground display screen module.
8, a kind of ground display screen is characterized in that, comprises at least two as the arbitrary described ground display screen module of claim 1 to 7;
Has identical luminous colour gamut between each ground display panel module.
9, ground display screen 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 ground display screen.
10, ground display screen according to claim 8 is characterized in that, a regulation and control unit also is set, and is used for adjusting each LED unit, the brightness of LED light emitting diode of all kinds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910085665A CN101645220A (en) | 2009-05-26 | 2009-05-26 | Ground display screen module and ground display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910085665A CN101645220A (en) | 2009-05-26 | 2009-05-26 | Ground display screen module and ground display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101645220A true CN101645220A (en) | 2010-02-10 |
Family
ID=41657092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910085665A Withdrawn CN101645220A (en) | 2009-05-26 | 2009-05-26 | Ground display screen module and ground display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101645220A (en) |
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2009
- 2009-05-26 CN CN200910085665A patent/CN101645220A/en not_active Withdrawn
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