CN101645219B - Ground display screen module and ground display screen - Google Patents
Ground display screen module and ground display screen Download PDFInfo
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- CN101645219B CN101645219B CN200910085664.1A CN200910085664A CN101645219B CN 101645219 B CN101645219 B CN 101645219B CN 200910085664 A CN200910085664 A CN 200910085664A CN 101645219 B CN101645219 B CN 101645219B
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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 positions are raised parts with inner cavities; the installation positions are raised towards the panel; the inner cavities contain the LED units; 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 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 Recreational places of people gradually, people are also more and more higher to the requirement of its light decoration.Modern stage is from smallpox to all around all by the magnificent mansion of light decoration, but the ground of stage is really the bottleneck of light decoration always only, because the ground of stage need to be born dancer's the jumping of rising and be trampled, and general lamp body has the breakable shortcoming of appearance, is difficult to be directly installed on ground.Certainly, also there is people's firm floor-lamp that some are special to be arranged on stage ground, for stage floor has increased some brilliance, but, because its light coloring is single, lack and change, still can't meet the requirement of consumer to stage effect.
Therefore, there is defect 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 breakable shortcoming of appearance, be difficult to install on the ground, and special firm ground lamp color is single, lack and change, be difficult to meet kind of ground display screen module and the ground display screen with stage effect.
Technical scheme of the present invention is as follows: a kind of 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 arranges 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 accommodating one described LED unit; Described panel is light penetrating panel, covers on described housing.
Described kind of ground display screen module, wherein, the LED light emitting diode of all kinds that described LED unit magnitude setting is identical; The LED light emitting diode that each LED light emitting diode of same color is same minute gear selecting and adjacent minute gear selecting thereof.For example, each described LED unit rules is arranged on described pcb board in order.For example, the LED light emitting diode of all kinds that arbitrary LED unit magnitude setting is identical, 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 and big or small identical, and, be the LED light emitting diode of same minute gear selecting and adjacent minute gear selecting thereof.
Described kind of ground display screen module, wherein, each LED light emitting diode that color is identical, be the LED light emitting diode of same minute gear selecting.
Described kind of ground display screen module, wherein, described fixed head also is provided with trough, for placing power lead and the signal wire that connects the adjacent LED unit.
Described kind of ground display screen module, wherein, described fixed head is the metal rigidity fixed head.
Described kind of ground display screen module, wherein, the height of each installation position equates, and each installation position and described panel are fixedly connected.
Described kind of ground display screen module, wherein, also arrange an identify unit, for identifying the performance parameter of described kind of ground display screen module.
A kind of ground display screen, wherein, comprise that at least two as above arbitrary described kind of ground display screen module; There is identical luminous colour gamut between each kind of ground display screen module.
Described ground display screen, wherein, also arrange at least one identify unit, for identifying the performance parameter of described ground display screen.
Described ground display screen, wherein, also arrange a regulation and control unit, for adjusting each LED unit, the brightness of LED light emitting diode of all kinds.
Adopt such scheme, the present invention is by arranging a fixed head, the installation position arranged on described fixed head is one to have the protuberance of inner chamber, each LED unit is placed in to the inner chamber of its corresponding protuberance, described fixed head can bear jumping of dancer and trample, and each LED unit is had to 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 arrange according to actual needs, can display graphics, word, letter or animation, displaying contents is abundant, changes variously, meets the stage display effect.
The accompanying drawing explanation
The schematic diagram of the embodiment one that Fig. 1 is kind of ground display screen module in the present invention;
Fig. 2 is the schematic diagram of the embodiment two of kind of ground display screen module in the present invention;
Fig. 3 is the schematic diagram of the embodiment three of kind of ground display screen module in the present invention;
Fig. 4 is the schematic diagram of ground display screen in 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, the present embodiment provides a kind of kind of ground display screen module, and described kind of 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 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 the present embodiment kind of ground display screen module, can be circle, ellipse, triangle, square, pentagon and hexagon etc., usually, described housing 106 shapes are set to square, with assembling and the fixed installation that facilitates described kind of ground display screen module.
Described panel 103 is light penetrating panel, can be printing opacity transparent panel or the opaque panel of printing opacity, as, for tempered glass, there is good rigidity, be not easy to be trampled on, described panel 103 covers on described housing 106, and, with described housing 106, be fixedly connected.The light that each LED unit sends penetrates outside through described panel 103, and, as the display surface of the present embodiment kind of 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 sidepiece of the side of described fixed head 101 and described housing 106 can be fixed; Perhaps, the bottom of the bottom surface of described fixed head 101 and described housing 106 is fixed; Perhaps, the sidepiece of the side of described fixed head 101 and described housing 106 is fixed, and, the bottom of the bottom surface of described fixed head 101 and described housing 106 is 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, by other heat abstractors, heat is derived outside, other heat abstractors can be louvre, heat radiator, fan etc., described metal rigidity fixed head, can play and prevent the amount of localized heat gathering, so that the function that some electronic devices and components burns out.
And, can, by screw, rivet, latch, scolding tin, viscose glue etc. stationary installation is set, make described fixed head 101 be fixed on the inside of described housing 106.
Each LED unit 102 comprises a pcb board, and be arranged at least one LED light emitting diode and the drive control module thereof on described pcb board, at least be printed with power circuit and signal line on described pcb board, and, between adjacent LED unit, by each circuit 105 independently arranged, be connected, each circuit 105 at least comprises power circuit and signal line.
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 can be also one or more, for transmitting the LED control signal; The drive control module of each LED light emitting diode, for the LED control signal of transmitting according to each signal wire, drive and control each LED light emitting diode, makes each LED light emitting diode realize the functions such as display graphics, word, letter and animation.
In addition, one or more power ground can also be set, each power ground is 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 described fixed head 106, an installation position is set, the quantity that is described installation position is consistent with the quantity of the LED unit 102 of installation, 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 at least holding a LED unit 102.
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 described shell 106 except having; the effect that can also there is load-bearing; as the people, on the present embodiment kind of ground display screen module, jump while trampling, each weight directly drops on described panel, and; be dispersed on each protuberance on 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 described kind of ground display screen module, the LED light emitting diode of all kinds that arbitrary LED unit magnitude setting is identical, and, in each LED unit, the arrangement mode of LED light emitting diode of all kinds is identical, and, the LED light emitting diode that LED light emitting diode of all kinds is same minute gear selecting and adjacent minute gear selecting thereof.
In process of production, different according to the material of LED wafer, as can to make different colours LED light emitting diodes, 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 light-splitting color-separating machine of each LED light emitting diode of same color is carried out to stepping, 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 light-splitting color-separating machine to obtain, and, the LED light emitting diode that LED light emitting diode of all kinds is same minute gear selecting,, in the present embodiment kind of ground display screen module, all red LED light emitting diodes only adopt the LED light emitting diode of a minute gear selecting, all green LED light emitting diodes only adopt the LED light emitting diode of a minute gear selecting, and all blue led light emitting diodes also only adopt the LED light emitting diode of a minute gear selecting.
Because LED light emitting diode of all kinds adopts respectively identical minute gear selecting, 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, can think the consistent wavelength of all LED light emitting diodes in wavelength coverage.
Wherein, described brightness refers to the bright-dark degree of LED light emitting diode, described color refers to three primary colours, 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, LED lamp shaped like piranha 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 all are set, and each LED light emitting diode is triangular in shape arranging all; Perhaps, in each LED unit, 2 red LED light emitting diodes, 1 green LED light emitting diode and 1 blue led light emitting diode all are set, and each LED light emitting diode all is quadrilateral and arranges.
Due to, in each LED unit, the quantity of the color of each LED light emitting diode combined, combination and the shape of arranging are all identical, and, the LED light emitting diode that each color is identical adopts the LED light emitting diode of same minute gear selecting, therefore, make to form kind of ground display screen module, when display graphics, word, 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 minute 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 minute gear selecting and the LED light emitting diode of A+1 minute 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, the LED light emitting diode similar with upper example, that LED light emitting diode of all kinds is 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 only LED light emitting diode of an 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 minute gear selecting, or A+1 divide 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 the same minimum of a certain color divides the LED light emitting diode quantity of gear selecting A enough, for this color LED light emitting diode of one or more kind of ground display screen modules, only get the LED light emitting diode of this minute gear selecting A; 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 kind of ground display screen modules, can choose the LED light emitting diode of minute gear selecting A-1, perhaps, can choose the LED light emitting diode of minute gear selecting A+1, perhaps, can also choose the LED light emitting diode of minute gear selecting A-1 and the LED light emitting diode of minute gear selecting A+1.
Embodiment 3
As shown in Figure 2, on the basis of above-mentioned each example, on described fixed head 101, also be provided with trough 201, trough 201 is arranged on the surface of described fixed head 101.
For example; be arranged on the surface relative with described panel 103 of described fixed head 101; perhaps; be arranged on the surface that described fixed head 101 is relative with described housing 106; each circuit 105 that connects adjacent LED unit 102 is positioned in trough 201; and; 201 pairs of each circuits 105 of trough play effect fixing and protection; and; the trough lid can also be set, so that each circuit 105 can be outside not exposed, each circuit 105 be had to protective effect; 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, the protuberance height of each installation position equates; And each installation position and described panel 103 are fixedly connected, the protuberance of each installation position and described panel 106 are fixedly connected.
For example, can be on described panel 103, or on 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 can make described panel 103 and described fixed head 101 interfix, and are not easy to be subjected to displacement, and the trample action that makes to trample the people on described panel is safer, can not rock.
Embodiment 5
On the basis of above-mentioned each example, in the present embodiment, kind of ground display screen module also arranges an identify unit, and described identify unit is for identifying each performance parameter of the present embodiment kind of ground display screen module; Each performance parameter can be 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 kind of ground display screen module, size etc.
The brightness of same color light emitting diode in described kind of 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 is identified, there is accurate performance parameter numerical value, therefore, 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 kind of ground display screen module, for example, be arranged on each side of described kind of ground display screen module, or be arranged on arbitrary side of described kind of ground display screen module, in addition, can also be arranged on the edge of side of described kind of ground display screen module, identify unit is arranged on 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 affect display surface specious of the present embodiment kind of ground display screen module yet.
And being embedded, identify unit is arranged on described kind of ground display screen module, can make identify unit depositing, use, be not easy to come off in the situation such as transportation, make the described kind of ground display screen module through long storage time, use or transportation, still can clearly recognize each performance parameter of described kind of ground display screen module.
And for example, identify unit can be a paper labels or plastic label; Use paper labels to make very convenient when in use, for example, can directly paper labels be sticked on the side or side of described kind of ground display screen module, 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 had according to described kind of ground display screen module, can show each specific performance parameter of described kind of ground display screen module by scanning; Adopt bar code, by data are inputted to computer, adopt the electronic tool management simultaneously, make management standardization more, make when finding, using the described kind of ground display screen module of each performance parameter convenient, quick.
Embodiment 6
As shown in Figure 4, the present embodiment provides a kind of ground display screen, described ground display screen comprises that at least two as arbitrary described kind of ground display screen module in above-mentioned each example, and for example, the present embodiment ground display screen comprises kind of ground display screen module 401 and kind of ground display screen module 402.
Between kind of ground display screen module 401 and kind of ground display screen module 402, have identical luminous colour gamut, described luminous colour gamut refers to, and the brightness ratio of the kind of ground display screen module that LED light emitting diode of all kinds is corresponding at it is consistent.
For example, in kind of ground display screen module 401 and kind of ground display screen module 402, red LED light emitting diode, green LED light emitting diode and the blue led light emitting diode arranged respectively is the LED light emitting diode of all kinds of same minute gear selecting or adjacent minute gear selecting, because brightness, encapsulation, the size of LED light emitting diode of all kinds are identical, and consistent wavelength, therefore, kind of ground display screen module 401 and kind of ground display screen module 402 have identical luminous colour gamut.
Embodiment 6
On the basis of embodiment 5, in the present embodiment, described ground display screen also arranges one or more identify unit, for meaning the performance parameter of described ground display screen.
The quantity of set identify unit, can only be set to one, for the performance parameter of integral body sign the present embodiment ground display screen; Perhaps, the different performance parameter that a plurality of identify units identify respectively ground display screen in the present embodiment is set.
For example, the present embodiment can only arrange 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 quantity and the size of each kind of ground display screen module of described ground display screen, or, the spacing of adjacent each LED unit, or, the shape of described ground display screen and size etc.; Described luminous colour gamut can be, forms the identical luminous colour gamut that each kind of ground display screen module of described ground display screen has.
Perhaps, two or more identify units are set on ground display screen in the present embodiment, for identifying the different performance parameter of described ground display screen, for example, identify unit A and identify unit B are set, identify unit A is for identifying the package assembly of described ground display screen, and identify unit B is for identifying 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 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 affect display surface specious of ground display screen yet.
And being embedded, identify unit is arranged on described ground display screen, can make identify unit depositing, use, be not easy to come off in the situation such as transportation, make the described ground display screen through long storage time, use or transportation, still can clearly recognize each performance parameter that described ground shows screen.
And for example, identify unit can be a paper labels or plastic label; The use paper labels can 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, and identification means is simple, and convenient.And use plastic label can make label more durable, be not easy infringement.
In addition, identify unit can also be, has the bar code that each performance parameter according to described ground display screen designs, and by scanning, can show each specific performance parameter of described ground display screen; Adopt bar code, by data are inputted to computer, adopt the electronic tool management simultaneously, make management standardization more, make when finding, using the described ground display screen of each performance parameter convenient, quick.
Embodiment 7
On the basis of above-mentioned each example, the present embodiment ground display screen also arranges a regulation and control unit, and the brightness of LED light emitting diode of all kinds, for each performance parameter according to described ground display screen, is adjusted in described regulation and control unit.Each performance parameter of described ground display screen comprises the structure that forms ground display screen, the luminous colour gamut of each kind of ground display screen 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 obtain when producing each LED light emitting diode, it can be also the performance parameter obtained 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 directly obtained by above-mentioned identify unit.
Described regulation and control unit can be for adjusting the Different Ground display panel module, the brightness of each LED light emitting diode, as, between each kind of ground display screen 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 respectively 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, the luminous colour gamut between each kind of ground display screen module is not identical.
Therefore, can be by described regulation and control unit, adjust in each kind of ground display screen module, LED light emitting diode of all kinds, red, blue, the brightness ratio of green LED light emitting diode, can obtain different colour gamuts, the luminous ratio in can the kind of ground display screen module corresponding at it by the LED light emitting diode of regulating each primary colours, adopt the luminous colour gamut that each kind of ground display screen module is identical, make the demonstration colour gamut of each kind of ground display screen module identical, eliminated the demonstration difference between kind of ground display screen module, thereby make the whole homogeneous that shows of ground display screen, display effect is good, and, also can be by adjusting the brightness of each LED light emitting diode, obtain desired optimal viewing angle.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (6)
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 arranges some installation positions, and described installation position is one to have the protuberance of inner chamber, and its protrusion direction is towards described panel; The height of each installation position equates, and each installation position and described panel are fixedly connected;
Described inner chamber accommodating one described LED unit; The LED light emitting diode of all kinds that described LED unit magnitude setting is identical, each LED light emitting diode that color is identical, be the LED light emitting diode of same minute gear selecting;
Described panel is light penetrating panel, covers on described housing;
Described LED unit also arranges at least one power ground.
2. kind of ground display screen module according to claim 1, is characterized in that, described fixed head also is provided with trough, for placing power lead and the signal wire that connects the adjacent LED unit.
3. kind of ground display screen module according to claim 1, is characterized in that, described fixed head is the metal rigidity fixed head.
4. kind of ground display screen module according to claim 1, is characterized in that, an identify unit also is set, for identifying the performance parameter of described kind of ground display screen module.
5. a ground display screen, is characterized in that, comprises at least two described kind of ground display screen modules as arbitrary as claim 1 to 4;
There is identical luminous colour gamut between each kind of ground display screen module;
One regulation and control unit also is set, for adjusting each LED unit, the brightness of LED light emitting diode of all kinds.
6. ground display screen according to claim 5, is characterized in that, at least one identify unit also is set, for identifying the performance parameter of described ground display screen.
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| CN200910085664.1A CN101645219B (en) | 2009-05-26 | 2009-05-26 | Ground display screen module and ground display screen |
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| CN200910085664.1A CN101645219B (en) | 2009-05-26 | 2009-05-26 | Ground display screen module and ground display screen |
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| CN103000089B (en) * | 2011-09-14 | 2015-08-26 | 成卓 | LED floor screen splicing module |
| CN103177666A (en) * | 2013-04-15 | 2013-06-26 | 苏州苏鹏多媒体科技有限公司 | Light-emitting diode (LED) system for marketplace display area fishpond |
| CN105528959A (en) * | 2016-01-22 | 2016-04-27 | 北方夜视技术股份有限公司 | Positioning module for visual management |
| CN109027599A (en) * | 2018-08-15 | 2018-12-18 | 郑州游爱网络技术有限公司 | A kind of flooring displaying device |
| CN111028733A (en) * | 2019-12-20 | 2020-04-17 | 湖南大学 | Floor tile type dance indicating system |
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| CN2567287Y (en) * | 2002-09-19 | 2003-08-20 | 叶剑锋 | Floor tile with piezoelectric ceramic flat for luminous by external force |
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| CN201035862Y (en) * | 2007-04-04 | 2008-03-12 | 鹤山丽得电子实业有限公司 | Ground display screen module |
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| CN201218451Y (en) * | 2008-05-15 | 2009-04-08 | 北京中庆微数字设备开发有限公司 | Floor lamp |
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| JP3665783B2 (en) * | 2002-12-03 | 2005-06-29 | 日亜化学工業株式会社 | LED unit |
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| CN2567287Y (en) * | 2002-09-19 | 2003-08-20 | 叶剑锋 | Floor tile with piezoelectric ceramic flat for luminous by external force |
| CN2833895Y (en) * | 2005-07-25 | 2006-11-01 | 刘振亮 | Grating stripe LED luminotron and grating stripe luminous surface display module |
| CN201035862Y (en) * | 2007-04-04 | 2008-03-12 | 鹤山丽得电子实业有限公司 | Ground display screen module |
| CN201063225Y (en) * | 2007-07-13 | 2008-05-21 | 王耀明 | Epoxy resin LED energy-saving luminous card |
| CN201218451Y (en) * | 2008-05-15 | 2009-04-08 | 北京中庆微数字设备开发有限公司 | Floor lamp |
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