CN201753861U - LED lamp strip and LED screen - Google Patents
LED lamp strip and LED screen Download PDFInfo
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- CN201753861U CN201753861U CN2010201719122U CN201020171912U CN201753861U CN 201753861 U CN201753861 U CN 201753861U CN 2010201719122 U CN2010201719122 U CN 2010201719122U CN 201020171912 U CN201020171912 U CN 201020171912U CN 201753861 U CN201753861 U CN 201753861U
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- led
- winding displacement
- led lamp
- lamp bar
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Abstract
The utility model discloses an LED lamp strip and an LED screen. The LED lamp strip comprises at least two LED units, at least one anode power circuit, at least one cathode power circuit and at least one signal circuit, each LED unit comprises at least one LED light emitting diode and a control module thereof, and all circuits are combined to form a flat cable which is provided with at least two fixing positions used for fixing the LED units and at least one supporting strip used for preventing deformation. The LED lamp strip can be self-bent and fixed to form the LED screen, or at least two LED lamp strips are mutually distributed regularly so as to be capable of forming the LED screen. The LED lamp strip and the LED screen are simple in structure, attractive in appearance and stable in connection.
Description
Technical field
The present invention relates to the LED lighting device, in particular, a kind of LED lamp bar and the LED screen body that comprises this LED lamp bar.
Background technology
In the LED industry, the LED product as LED display, is to be interconnected and constituted by several LED pixels, and each LED pixel can be used as a LED unit, comprises at least one LED light emitting diode and the pcb board that the LED light emitting diode is installed.The mutual straight line in several LED unit connects can form a LED lamp bar.Traditional LED lamp bar is on a strip pcb board, some LED light emitting diodes to be installed.So the installation of LED lamp bar is more firm, but is subjected to the restriction of pcb board on using easily, and also not attractive in appearance.
Therefore, there is defective in prior art, needs to improve.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of simple in structure, specious, and the LED screen body that connects firm LED lamp bar and formed.
Technical scheme of the present invention is as follows: a kind of LED lamp bar, wherein, comprise at least two LED unit, at least one cathode power supply circuit, at least one negative power supply circuit and at least one signal line, and each LED unit comprises at least one LED light emitting diode and control module thereof; Each circuit is combined into a winding displacement; At least two fixed bits are set on the described winding displacement, are used for fixing each LED unit; Described winding displacement also is provided with at least one support bar, is used to prevent distortion.
Described LED lamp bar, wherein, each LED unit passes through described winding displacement setting, and same LED unit is at the quality balance of described winding displacement both sides.Described LED lamp bar, wherein, the cross section of described support bar be at least circle, ellipse, triangle, quadrangle or pentagonal one of them.
Described LED lamp bar, wherein, each LED unit directly is fixed on the described fixed bit, or each LED unit adopts at least one fixed cell to be fixed on the described fixed bit respectively.Described LED lamp bar, wherein, each fixed cell and LED unit, its place are one-body molded.Described LED lamp bar, wherein, described fixed cell is a plug-in unit.Described LED lamp bar, wherein, the pcb board of described LED unit is perpendicular to described winding displacement setting, and each fixed cell is perpendicular to the first side of described pcb board.Described LED lamp bar, wherein, the light-emitting area of each LED light emitting diode of described LED unit is perpendicular to the second side of described pcb board; Described second side and described first side are oppositely arranged.
Described LED lamp bar, wherein, described LED lamp bar is covered with at least one membrane waterproofing and/or at least one light-absorbing coating.
A kind of LED screen body wherein, comprises at least two regularly arranged LED lamp bars; Described LED lamp bar comprises at least two LED unit, at least one cathode power supply circuit, at least one negative power supply circuit and at least one signal line, and each LED unit comprises at least one LED light emitting diode and control module thereof; Each circuit is combined into a winding displacement; At least two fixed bits are set on the described winding displacement, are used for fixing each LED unit; Described LED screen body also is provided with at least one support bar, is used to prevent described LED lamp bar distortion.
Adopt such scheme, the present invention is by merging into a winding displacement with each circuit, each LED is fixed on the winding displacement, LED lamp bar is simple in structure and specious, at least two fixed bits are set on described winding displacement, arbitrary LED unit is fixed on the winding displacement by at least one fixed bit, and LED lamp bar connects very firm; And, support bar at least also is set on the winding displacement, can prevent the winding displacement distortion, also can prevent the distortion of LED lamp bar simultaneously.Article one, the lamp bar can self be crooked fixing to form LED screen body; Perhaps, can form LED screen body by at least two described LED lamp bar rule arrangements.
Description of drawings
Fig. 1 is a schematic diagram of the present invention;
Fig. 2 is the schematic diagram of LED lamp bar among the present invention;
Fig. 3 is embodiment 1 schematic diagram of LED lamp bar among the present invention;
Fig. 4 is embodiment 2 schematic diagrames of LED lamp bar among the present invention;
Fig. 5 is embodiment one schematic diagram of the embodiment 3 of LED lamp bar among the present invention;
Fig. 6 is embodiment two schematic diagrames of the embodiment 3 of LED lamp bar among the present invention;
Fig. 7 is the schematic diagram of the embodiment of LED screen body 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 Fig. 1, Fig. 2 and shown in Figure 3, the invention provides a kind of LED lamp bar 101, LED lamp bar 101 comprises LED unit 102 and two LED unit of LED unit 102a, at least one cathode power supply circuit 104, at least one negative power supply circuit 105 and at least one signal line 106 at least.Cathode power supply circuit 104, negative power supply circuit 105 and signal line 106 near merging into a winding displacement 103, are provided with insulating protective layer between each circuit; Insulating protective layer can prevent short circuit between the circuit, and to its protective effect of each circuit, as playing insulation, waterproof and a dustproof protective effect.Each circuit can become a winding displacement 103 by the injection moulding of various waterproof insulation material one, and attractive in appearance in order to make winding displacement, each waterproof insulation material can be a colourless transparent material, also can other a kind of colors or the composition of multiple color.
Wherein each power circuit also can be set to comprise many cathode power supply circuits and many negative power supply circuits, each cathode power supply line is connected with external power supply respectively with each anode power cord, be used to LED lamp bar 101 that voltage is provided, with the operate as normal of electronic devices and components such as LED light emitting diode in each LED unit in the assurance lamp bar; Be provided with align more, the negative power supply circuit can be connected with other electronic devices and components with the LED light emitting diode respectively, a certainly aligning, when the negative power supply circuit disconnects, do not influencing the operate as normal of other positive and negative electrode power circuits; Also can be with a pair of positive and negative electrode power circuit wherein as main power line, other positive and negative electrode power circuits are as the stand-by power supply line, power line has multiple assurance, makes when main power line disconnects, and does not influence the operate as normal of LED light emitting diode and other electronic devices and components.In order to make among the present invention LED lamp bar simple in structure, usually, a cathode power supply circuit 104 and a negative power supply circuit 105 only are set.
Wherein be arranged on LED light emitting diode 201 in each LED unit in order to drive control, can independently control each LED light emitting diode 201, thereby realize effects such as flicker, animation, each LED unit also comprises a control module 202.Each control module 202 drives the described LED light emitting diode 201 of control according to the control signal of each control signal wire input.
Therefore fairly simple for the overall structure that makes LED lamp bar, winding displacement 103 only is provided with a cathode power supply circuit, a negative power supply circuit and a signal line, above-mentioned three circuits can be arranged in any order, as: can be with the cathode power supply trace arrangements in the centre, negative power supply circuit and signal line are arranged in the both sides of cathode power supply line; In the middle of also the negative power supply circuit can being arranged in, cathode power supply circuit and signal line are arranged in the both sides of anode power cord; In the middle of signal line can also being arranged in, cathode power supply circuit and negative power supply circuit are arranged in the both sides of signal line; Commonly used is in the middle of signal line is arranged in.
LED light emitting diode 201 and control module 202 are set in the LED unit 102, control module 202 can encapsulate with the tube core one of LED light emitting diode 201, the common packaged LED unit 303 of forming, LED unit 303 can comprise more than one LED LED core, wherein the LED LED core can be for red blue or green, also can also be three kinds combination for wherein any two kinds of combinations.LED unit 303 after the encapsulation generally has four pins, comprising positive source pin, power cathode pin, control signal input pin and control signal output pin.Special, as, encapsulation is the Piranha LED core in the LED unit 303, and then the LED unit can have six pins, wherein can comprise three positive source pins, a power cathode pin, a control signal input pin and a control signal output pin.
When LED unit 303 was fixed on fixed bit 302, each pin 301 of LED unit 303 directly embedded in the winding displacement 103, and promptly the positive source pin of LED unit 303 embeds in the cathode power supply circuit 104, and, be electrically connected with cathode power supply circuit 104; The power cathode pin of LED unit 303 embeds in the negative power supply circuit 105, and, be electrically connected with negative power supply circuit 105; The control signal input pin of LED unit 303 and control signal output pin embed respectively in the signal line 106, and are connected with signal line 106.After each pin embeds, pass through cathode power supply circuit 104 and 105 parallel connections of negative power supply circuit between each LED unit, and connected in series by signal line 106; That is, control signal is from the control signal input pin input of LED unit 303, and behind LED unit 303, the control signal output pin output from LED unit 303 is transferred to next LED unit by signal line 106 again.
In order to make each LED unit 303 more firm being fixed on the winding displacement 103, fixed cell can also be set fix.Fixed cell can be spiro connecting unit, clamping unit and plug-in unit, and can be one-body molded with each unit.For example: fixed bit 302 is set to a through hole, and a corresponding through hole is set on the LED unit 303, and LED unit 303 is fixed on the winding displacement 103 by fixed screw; Or on the fixed bit 302 internal thread is set, and external screw thread is set on LED unit 303, being spirally connected by internal and external threads is fixed on the winding displacement 103 LED unit 303; Or on fixed bit 302, draw-in groove is set, and on the LED unit 303 buckle is set, realize the clamping of winding displacement 103 and LED unit 103 by draw-in groove and buckle; Perhaps LED unit 303 is provided with a clamp, directly inserts on the fixed bit of winding displacement by clamp and is clamped on the winding displacement.
Embodiment 2
As shown in Figure 4, on the basis of embodiment 1, LED unit 303 can also pass through described winding displacement 103 and be provided with, and LED unit 303 is at the quality balance of described winding displacement 103 both sides.Generally speaking, each object of the side's of being body has two sides and four sides, and two bigger and the most frequently used faces of area are called the side, and other are called side.In the present embodiment, LED unit 303 is installed on the side of winding displacement 103.Each pin of LED unit 303 can be directly embeds from the side of winding displacement, and is electrically connected with winding displacement, also can embed from the side of winding displacement and be electrically connected with winding displacement.In order to make the quality balance of LED unit 303 on the side of winding displacement 103, and more firm between LED unit and the winding displacement, each pin of LED unit 303 is evenly distributed in the two sides of winding displacement, and, on the two sides of winding displacement, a fixed bit is set respectively, be used for fixed L ED unit 303 respectively.For example, on first side of winding displacement 103, the anodal pin of LED unit and control signal input pin 301 embed in the winding displacement 103 and are electrically connected with winding displacement 103 respectively; On first side of winding displacement 103, a fixed bit 302 also is set, be used for fixing LED unit 303.On second side of winding displacement 103, the negative pole pin of LED unit and control signal output pin 301a embed in the winding displacement and are electrically connected with winding displacement respectively; On second side of winding displacement 103, a fixed bit 302a also is set, be used for fixing LED unit 303.
Embodiment 3
As Fig. 5, shown in Figure 6, in embodiment 1, LED unit 102 also comprises a pcb board 501, and LED light emitting diode 201 is installed on the pcb board 501, the control module that drives control LED light emitting diode 201 can be arranged on the pcb board, also can encapsulate with each LED light emitting diode one.Usually, each LED unit can be used as a LED pixel, LED pixel commonly used comprises 1 red/green LED light emitting diode, or comprise 1 red LED light emitting diode, 1 blue led light emitting diode and 1 green LED light emitting diode, or comprise 2 red LED light emitting diodes, 1 blue led light emitting diode and 1 green LED light emitting diode.
In addition, because each LED light emitting diode is installed on the pcb board 501, be provided with and winding displacement 103 corresponding positive source lines on the pcb board 501, power-polar curve and signal control line, for being connected between each circuit of realizing each line and winding displacement 103 on the pcb board 501, to realize that each LED light emitting diode can be by normal need work, also be provided with linkage unit on the pcb board, wherein first linkage unit is electrically connected with positive source line on the pcb board, second linkage unit is connected with the power-polar curve of pcb board, the 3rd linkage unit is connected with holding wire input on the pcb board, and the 4th linkage unit is connected with holding wire output on the pcb board.Wherein linkage unit can be for having the metallic conduction thing of certain rigidity.
Embodiment 4
In embodiment 3, pcb board 501 is set to hexagon, and hexagon pcb board 501 has two sides and six sides, the side 502 of pcb board 501 is fixed on the winding displacement 103, on the pcb board, with side 502 opposed side edges be side 503, the LED light emitting diode is installed on the side 503.Pcb board 501 can be fixed on arbitrary side of winding displacement 103, also can be fixed on arbitrary side of winding displacement.And, pcb board 501 can with winding displacement 103 horizontal fixed, promptly the side 502 of pcb board 501 is parallel with winding displacement 103; Pcb board 501 also can be fixed with 103 oblique intersecting of winding displacement in addition, and promptly the side 502 of pcb board 501 intersects with winding displacement 103 is oblique at a certain angle; Pcb board 501 can also intersect vertically fixingly with winding displacement 103, and promptly the side 502 of pcb board 501 intersects vertically with winding displacement; Wherein with the oblique LED unit 102 that intersects and intersect vertically of winding displacement, quality balance in described winding displacement 103 both sides.By pcb board 501 is fixed on the winding displacement 103, can reaches LED unit 102 is fixed on effect on the winding displacement 103.
On the basis of embodiment 1 to embodiment 5, have waterproof and effect such as dustproof in order to make the present invention, LED lamp bar of the present invention also is provided with a membrane waterproofing.Membrane waterproofing can adopt various waterproof plastic materials to cover the surface of LED lamp bar by the mode of plated film, promptly covers the surface of LED unit, the surface of each circuit, each circuit and LED unit touching position etc.
Perhaps, membrane waterproofing also can only cover the surface of each winding displacement.
Above-mentioned membrane waterproofing also can only be one deck, two-layer or multilayer flashing film.
Interference-free for the light that each the LED light emitting diode that makes in each LED unit sends, LED lamp bar can also cover a light-absorbing coating, and most preferred light-absorbing coating is the light-absorbing coating of black.Light-absorbing coating covers except that the LED light emitting surface of light emitting diode, on other surfaces of LED lamp bar.
Perhaps, light-absorbing coating also can only be coated in the surface of each winding displacement.
Above-mentioned light-absorbing coating also can only be one deck, two-layer or multilayer extinction film, and this extinction film can be wholely set with membrane waterproofing.
On the basis of embodiment 1 to 7, at least two LED lamp bar rules are arranged, generally be that many LED lamp bar rules are arranged, and interconnect, to form LED screen body 1001, LED screen body 1001 can be used to show various pictures, literal or animation, for example, can be used for the cartoon display screen, information line-screen of public place etc.
Each LED lamp bar in the LED screen body 1001 can be arranged in parallel, and also can intersect mutually.
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 lamp bar is characterized in that, comprises at least two LED unit, at least one cathode power supply circuit, at least one negative power supply circuit and at least one signal line, and each LED unit comprises at least one LED light emitting diode and control module thereof;
Each circuit is combined into a winding displacement; At least two fixed bits are set on the described winding displacement, are used for fixing each LED unit; Described winding displacement also is provided with at least one support bar, is used to prevent distortion.
2. LED lamp bar according to claim 1 is characterized in that each LED unit passes through described winding displacement setting, and same LED unit is at the quality balance of described winding displacement both sides.
3. LED lamp bar according to claim 1 is characterized in that, the cross section of described support bar be at least circle, ellipse, triangle, quadrangle or pentagonal one of them.
4. LED lamp bar according to claim 1 is characterized in that each LED unit directly is fixed on the described fixed bit, or each LED unit adopts at least one fixed cell to be fixed on the described fixed bit respectively.
5. LED lamp bar according to claim 4 is characterized in that, each fixed cell and LED unit, its place are one-body molded.
6. LED lamp bar according to claim 4 is characterized in that described fixed cell is a plug-in unit.
7. LED lamp bar according to claim 1 is characterized in that the pcb board of described LED unit is perpendicular to described winding displacement setting, and each fixed cell is perpendicular to the first side of described pcb board.
8. LED lamp bar according to claim 7 is characterized in that the light-emitting area of each LED light emitting diode of described LED unit is perpendicular to the second side of described pcb board;
Described second side and described first side are oppositely arranged.
9. according to the arbitrary described LED lamp bar of claim 1 to 8, it is characterized in that described LED lamp bar is covered with at least one membrane waterproofing and/or at least one light-absorbing coating.
10. a LED screen body is characterized in that, comprises at least two regularly arranged LED lamp bars;
Described LED lamp bar comprises at least two LED unit, at least one cathode power supply circuit, at least one negative power supply circuit and at least one signal line, and each LED unit comprises at least one LED light emitting diode and control module thereof;
Each circuit is combined into a winding displacement; At least two fixed bits are set on the described winding displacement, are used for fixing each LED unit;
Described LED screen body also is provided with at least one support bar, is used to prevent described LED lamp bar distortion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201719122U CN201753861U (en) | 2010-04-23 | 2010-04-23 | LED lamp strip and LED screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201719122U CN201753861U (en) | 2010-04-23 | 2010-04-23 | LED lamp strip and LED screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201753861U true CN201753861U (en) | 2011-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201719122U Expired - Fee Related CN201753861U (en) | 2010-04-23 | 2010-04-23 | LED lamp strip and LED screen |
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| Country | Link |
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| CN (1) | CN201753861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103559843A (en) * | 2013-10-23 | 2014-02-05 | 深圳市锐拓显示技术有限公司 | Ultra-thin hollowed-out light strip screen and design method thereof |
-
2010
- 2010-04-23 CN CN2010201719122U patent/CN201753861U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103559843A (en) * | 2013-10-23 | 2014-02-05 | 深圳市锐拓显示技术有限公司 | Ultra-thin hollowed-out light strip screen and design method thereof |
| CN103559843B (en) * | 2013-10-23 | 2017-06-09 | 深圳市锐拓显示技术有限公司 | A kind of ultra-thin hollowed-out light strip screen and its method for designing |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110302 Termination date: 20110423 |