CN201306637Y

CN201306637Y - LED lamp string and LED screen body

Info

Publication number: CN201306637Y
Application number: CNU200820123725XU
Authority: CN
Inventors: 商松
Original assignee: Beijing Jushu Digital Technology Development Co Ltd
Current assignee: Shenzhen Zhongqing Micro Technology Development Co Ltd
Priority date: 2008-11-13
Filing date: 2008-11-13
Publication date: 2009-09-09
Anticipated expiration: 2018-11-13

Abstract

The utility model discloses an LED lamp string and an LED screen body, wherein, the LED lamp string comprises at least two LED units, at least one positive power circuit, at least one negative source circuit and at least one signal circuit; the LED unit comprises at least one LED luminous module and a control module of the LED luminous diode; the LED unit is provided with a light focusing part which is used for reflecting the light of each LED luminous diode to the exterior. By adopting the above technical proposal, the LED unit can be fixed on the fixed position, so that the connection between the LED units is simpler, and the brightness of the LED unit is brighter, and the lighting distance is further; moreover, the LED lamp string with variable combination forms and remarkable decorative effect can be realized.

Description

A kind of LED lamp bar and LED screen body

Technical field

The utility model relates to a kind of lighting device, in particular a kind of LED lamp bar, and the LED screen body that adopts this lamp bar.

Background technology

At present, ornament lamp has been widely used in various places with the form of lamp bar, and utilize its changeable moulding to represent the polychromatic decoration effect, the structure of this kind article is to utilize a main connecting line to be the support and connection body, on main connecting line, be provided with discrete LED lamp string group, the lamp body poor radiation, power consumption is big, should not use for a long time, and the illuminator moulding of lamp string is single, there is not special representation style, decorative effect is not good enough, fault rate is higher, reliability is lower, causes short circuit easily, and problem such as go offline, the mutual interference of signal phase causes the limited length of cascade.

Existing LED lamp generally is to constitute in the shell with a caustic surface in the LED that dot matrix is arranged is loaded on, but the LED dot matrix is different from spot light, at regular intervals between the LED, the light that they send is difficult for assembling, and interfere mutually, cause the luminous intensity distribution performance of the lamp holder of whole lamp to be difficult to be adjusted to perfect condition by a caustic surface.Therefore, existing LED lamp ubiquity the deficiency that distribution of light is undesirable, light efficiency is low, luminous range is far away inadequately, and these defectives have also influenced the popularization and the application of LED lamp.

Therefore, existing LED lamp bar in real life is used, still exists inconvenience and shortcoming, remains to be innovated and improve.

The utility model content

The utility model provides that a kind of connection is simple, easy to use, brightness is high, luminous range is far away, can make up changeable and the tangible LED lamp of decorative effect bar and provide a kind of LED that is made up of this lamp bar to shield body.

The technical solution of the utility model is as follows: a kind of LED lamp bar, 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; Described LED unit is provided with a light collecting part, is used for the light of each LED light emitting diode is wherein reflexed to the outside; Each circuit is combined into a winding displacement; At least one fixed bit is set on the described winding displacement, is 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, described light collecting part be inner chamber hollow, have light-emitting window, inner surface is the mirror condenser of sphere or elliposoidal.

Described LED lamp bar, described light collecting part is the combination of at least one reflection concentration type eyeglass, the side of described light-collecting lens is linear or arc.

Described LED lamp bar, described light collecting part is the combination of at least three condenser sheets.

Described LED lamp bar, 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, the cross section of described support bar be at least circle, ellipse, triangle, quadrangle or pentagonal one of them.

Described LED lamp bar, described LED lamp bar is covered with at least one membrane waterproofing.

Described LED lamp bar, described LED unit directly is fixed on the described fixed bit, or is fixed on the described fixed bit by at least one fixed cell.

Described LED lamp bar, 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; 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.

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 described LED unit comprises at least one LED light emitting diode and control module thereof; Described LED unit is provided with a light collecting part, is used for the light of each LED light emitting diode is wherein reflexed to the outside; Each circuit is combined into a winding displacement; At least one fixed bit is set on the described winding displacement, is used for fixing each LED unit; Described winding displacement also is provided with at least one support bar, is used to prevent distortion.Wherein, LED lamp bar can be the described lamp bar of above-mentioned arbitrary technical scheme.

Described LED screen body, described light collecting part be inner chamber hollow, have light-emitting window, inner surface is the mirror condenser of sphere or elliposoidal.

Described LED screen body, described light collecting part is the combination of at least one reflection concentration type eyeglass, the side of described light-collecting lens is linear or arc.

Described LED screen body, described light collecting part is the combination of at least three condenser sheets.

Described LED screen body, 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 screen body, the cross section of described support bar be at least circle, ellipse, triangle, quadrangle or pentagonal one of them.

Described LED screen body, described LED lamp bar is covered with at least one membrane waterproofing.

Described LED screen body, described LED unit directly is fixed on the described fixed bit, or is fixed on the described fixed bit by at least one fixed cell.

Described LED screen body, 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;

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.

Adopt such scheme, the utility model is set to a winding displacement by each circuit, and the LED unit is fixed on the winding displacement on its corresponding fixed bit, makes the line between the LED unit simpler, and each LED unit is provided with a light collecting part, makes that the brightness of LED unit is higher, luminous range is farther; A LED lamp bar is formed at least two LED unit, make like this LED lamp bar whole connect simple more, use is convenient, brightness is higher, luminous range is farther, and can make up changeable and the tangible LED lamp of decorative effect bar; By the LED screen that this LED lamp bar makes, brightness is higher, luminous range is farther, and it is also convenient to install.

Description of drawings

Fig. 1 is a LED lamp bar structural representation of the present utility model;

Fig. 2 is the schematic diagram of LED unit in the utility model;

Fig. 3 be in the utility model in the LED unit PCB and winding displacement position schematic diagram is set;

Fig. 4 is that LED unit and winding displacement position are provided with schematic diagram in the utility model.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.

Embodiment 1

As shown in Figure 1, present embodiment provides a kind of LED lamp bar, it comprises at least two LED unit, for example LED unit 102 and 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, each LED unit comprises at least one LED light emitting diode 108 and control module thereof.

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 that voltage is provided, with the operate as normal of LED light emitting diode 108 electronic devices and components such as grade 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 LED light emitting diode 108 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 108 and other electronic devices and components.In order to make in the present embodiment LED lamp bar simple in structure, usually, a cathode power supply circuit 104 and a negative power supply circuit 105 only are set.

Each LED unit all is provided with a light collecting part, is used for the light that LED light emitting diode 108 sends is reflexed to the outside; Can better converge light like this, improve light utilization, increase brightness.

Be arranged on the light collecting part on the LED unit, can make light that the LED light emitting diode sends in use, so not only increased the light intensity of directive outside, and be convenient to adjust as requested the irradiating angle of light according to the angular illumination that presets.

For example, light collecting part is inner chamber hollow, have light-emitting window, inner surface is the mirror condenser of sphere or elliposoidal, light collecting part is arranged on the inside of LED unit, for example be arranged on the inwall of LED cell enclosure, the perhaps below of LED light emitting diode, and whole LED light emitting diodes of this LED unit of semi-surrounding, LED light emitting diode or its luminous zone are arranged on the inner chamber of condenser, and by light-emitting window to external exposure.Like this, just can the light that LED lamp point sends non-direction of observation be reflected away by light-emitting window effectively,, thereby increased display brightness as the part of direction of observation light source.

Each circuit is combined into a winding displacement 103; Be that described winding displacement 103 comprises at least one cathode power supply circuit 104, at least one negative power supply circuit 105 and at least one signal line 106; Also on described winding displacement 103, be provided with at least one fixed bit, be used for fixing each LED unit; Generally speaking, a fixed bit is fixed a LED unit, in case of necessity, also can fix a LED unit by a plurality of fixed bits.

Winding displacement is provided with a fixed bit, and fixed bit is used for each fixed L ED unit 102.LED unit 102 can directly be fixed on the winding displacement by fixed bit, fixed bit be provided with at least with lower unit one of them: the positioning and fixing unit, as be provided with one with LED unit 102 shapes size corresponding groove, and be used for the location of LED unit 102; The interference fit unit, as, an elasticity thing is set, be used to make LED unit 102 more firmly to be fixed on winding displacement 103; Accommodating unit is used for ccontaining LED unit 102 in the various part fixedly time the with winding displacement 103; Paste the unit, make LED unit 102 more firm by stickup; Nested cell is by sheath body, with 102 sockets of LED unit; Welding unit is fixed by welding in the LED unit on the winding displacement.

In order to make each LED unit 102 more firm being fixed on the winding displacement, 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 is set to a through hole, and a corresponding through hole is set on the LED unit 102, and LED unit 102 is fixed on the winding displacement by fixed screw; Or internal thread is set on the fixed bit, and external screw thread is set on LED unit 102, being spirally connected by internal and external threads is fixed on the winding displacement LED unit 102; Or draw-in groove is set on fixed bit, and on the LED unit 102 buckle is set, realize the clamping of winding displacement and LED unit by draw-in groove and buckle; Perhaps LED unit 102 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

In embodiment 1, light collecting part can also be set to the combination of at least one reflection concentration type eyeglass, the side of described light-collecting lens is linear or arc, the LED light emitting diode passes through each sheet linear or arc condenser for the light that non-direction of observation sends, assemble and reflect, according to the angle reflection ray that is provided with, so not only increased the light intensity of directive outside, and be convenient to adjust as requested the irradiating angle of light.

In the last example, be more preferably, adopt three, four or more linear or arc reflection concentration type eyeglass, whole LED lamp points of this LED unit of semi-surrounding form a light-emitting window of assembling, and the light of LED light emitting diode passes through this light-emitting window to external exposure.

For make each light collecting part more firm be fixed on the LED unit, between light collecting part and the LED unit fixed cell is set and fixes.Fixed cell can be spiro connecting unit, clamping unit and plug-in unit, and can be one-body molded with each unit.For example: internal thread is set on the light collecting part, and external screw thread is set on the LED unit, being spirally connected by internal and external threads is fixed on the LED unit light collecting part; Or draw-in groove is set on light collecting part, LED is provided with buckle on the unit, realizes the clamping of light collecting part and LED unit by draw-in groove and buckle.

Embodiment 3

On the basis of embodiment 1 or 2, in order to make the quality balance of LED unit on winding displacement 103 sides, for example, in Fig. 1, the LED unit comprises four fixing feet 112, wherein two fixing feet 112 are arranged on a side, two other fixing feet 112 that the line that is rigidly connected is a cathode power supply circuit 104 to be arranged on another root line that is rigidly connected are a side of negative power supply circuit 104, these two lines that are rigidly connected pass 1/3,2/3 place of LED unit respectively, the LED unit evenly is divided into three sections, so just makes the quality balance of LED unit on winding displacement 103.On the two sides of winding displacement, a fixed bit is set respectively, be used for fixed L ED unit respectively.

Embodiment 4

On the basis of embodiment 1 or 2, in order to make the quality balance of LED unit on the side of winding displacement 103, and it is more firm between LED unit and the winding displacement, the LED unit is evenly distributed in the two sides of winding displacement, for example shown in Figure 4, on first side of winding displacement 103, the connecting pin of LED unit embeds in the winding displacement 103 and is electrically connected with winding displacement 103 respectively; On second side of winding displacement 103, the connecting pin of LED unit embeds in the winding displacement and is electrically connected with winding displacement respectively; On the two sides of winding displacement, each connecting pin of LED unit 113 distributes symmetrically, and what, size of 113 relative two sides, LED unit be all the same, like this can the quality balance of LED unit on the side of winding displacement 103.On first side of winding displacement 103, a fixed bit also is set, be used for fixing the LED unit.

Embodiment 5

On the basis of above-mentioned arbitrary embodiment, present embodiment provides a kind of LED lamp bar, LED lamp bar comprises LED unit 102, LED unit 102a at least, promptly comprise two LED unit at least, one cathode power supply circuit 104, a negative power supply circuit 105 and a signal line 106, is membrane waterproofing with a cathode power supply circuit 104, a negative power supply circuit 105 and a signal line 106 near merging into a winding displacement, being provided with insulating protective layer between each circuit; Insulating protective layer can prevent short circuit between the circuit, and each circuit is shielded, as playing insulation, waterproof and dustproof protective effect.Each circuit can become a winding displacement 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.

One, two or many support bars can be set on winding displacement in addition, be used to prevent the winding displacement distortion.Can also between each circuit of same winding displacement, be respectively provided to few support bar; Like this in arbitrary cross section of this winding displacement, may there be the cross section of, two or many support bars.

Perhaps,, can also be used to prevent the distortion of LED lamp bar, for example, in LED lamp bar practical layout, be easy to the deformation position at it and take one or more support bar, to obtain equally distributed LED display by the position of each support bar is set.

Support bar is the bar-shaped object with certain rigidity, and for example hard plastic also can adopt the rigidity strip metal to make; Can also be to constitute by being rigidly connected of a section rigidity bar-shaped object.

The cross section of support bar can be circle, ellipse, quadrangle, pentagon, rectangle or the like, be preferably triangle, especially isosceles triangle or equilateral triangle, most preferably be the triangle that agree with mutually in the gap between each circuit in shape and the winding displacement, gap in the one angle wedging winding displacement between each circuit, the opposite side at this angle does not exceed the gap between each circuit in the winding displacement, preferably fills up the gap between each circuit, and parallel with winding displacement.The uniformity, economical with materials, the stacked facility that help global shape like this.On this basis, each angle of triangular support bar is rounding slightly, to prevent to cut, cut brokenly each winding displacement or other hardware.

Embodiment 6

As shown in Figure 2, on the basis of above-mentioned arbitrary embodiment, be arranged on LED light emitting diode 108 in each LED unit in order to drive control, can be to each LED light emitting diode 108 independent control, 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 108 of control according to the control signal of each control signal wire input.Control module 202 can be according to concrete setting, drive the LED light emitting diode of control varying number, for example: the control chip ZQL9712 that control module 202 is produced for the Beijing Zhongqing Micro-digit Equipment Development Co., Ltd, four the control signal wire transmission of control signals of control chip ZQL9712 by forming by four leads, and, according to control signals transmitted, drive 3 different LED light emitting diodes of control.

When the control module 202 that adopts was the single line transmission control module, the control signal wire of single line transmission of control signals only was a control signal wire 106 of being made up of a lead.And for example: the single line control chip ZQL1111 that single line control module 202 is produced for the Beijing Zhongqing Micro-digit Equipment Development Co., Ltd, the control signal wire transmission of control signals of single line control chip ZQL1111 by forming by a lead, and, according to control signals transmitted, drive 3 different LED of control.

LED light emitting diode 108 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 108, the common packaged LED unit 102 of forming, LED unit 102 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.

Embodiment 7

As shown in Figure 3, on the basis of above-mentioned arbitrary embodiment, LED unit 102 also comprises a pcb board 501, LED light emitting diode 108 is installed on the pcb board 501, the control module that drives control LED light emitting diode 108 can be arranged on the pcb board, also can encapsulate with each LED light emitting diode one.

Pcb board 501 can be set to triangle, quadrangle, pentagon or polygon, and present embodiment is set to quadrangle with pcb board 501.

Quadrangle pcb board 501 has two sides and four sides, LED unit 102 is arranged on the side 503 of quadrangle pcb board 501, another side relative with side 503 is side 502, pcb board 501 is fixed on the winding displacement 103 by side 502, pcb board 501 can be fixed on arbitrary side of winding displacement 103, also can be fixed on arbitrary side of winding displacement 103.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 can also intersect vertically fixingly with winding displacement 103, promptly the side 502 of pcb board 501 intersects vertically with winding displacement; Pcb board 501 also can be fixed with 103 oblique intersecting of winding displacement in addition, the side 502 that is pcb board 501 intersects with winding displacement 103 is oblique at a certain angle, present embodiment is by being fixed on pcb board 501 on the winding displacement 103, can reach LED unit 102 firmly is fixed on effect on the winding displacement.

Pcb board 501 can be directly fixing by the fixed bit on the winding displacement 103, also can be connected and fixed by the fixed bit on fixed cell and the winding displacement 103, thereby reach each LED unit firmly is fixed on the winding displacement 103.For example, on the side 502 of pcb board, external screw thread is set, and internal thread is set on the fixed bit of winding displacement 103, be spirally connected by internal and external threads; Or on the fixed bit of winding displacement 103, draw-in groove is set, and on the side 502 of pcb board, buckle is set, realize clamping etc. by draw-in groove and buckle.

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, as: linkage unit is the metal clamps of band blade, and integrally formed with pcb board, when pcb board is fixed on the winding displacement 103, the metal clamps of band blade embeds in the winding displacement 103, and corresponding with each circuit respectively connection.As, first clamp is connected with cathode power supply line electricity on the winding displacement, second clamp is electrically connected with negative power supply circuit on the winding displacement, the 3rd clamp and the 4th clamp are electrically connected with signal line respectively, for the signal line institute control signals transmitted on the winding displacement 103 is input in the LED unit 102 by the 3rd clamp, and, export to signal line by the 4th clamp again through LED unit 102, can on winding displacement, will be clamped in the 3rd clamp and the 4th clamp middle signal circuit and cut off.

Embodiment 8

On the basis of above-mentioned arbitrary embodiment, have waterproof and effect such as dustproof in order to make in the present embodiment lamp bar, the utility model LED lamp bar 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.

Embodiment 9

The utility model also provides a kind of LED screen body, with the LED lamp bar described in above-mentioned arbitrary embodiment, article at least two, LED lamp bar carries out regularly arranged, generally be that many LED lamp bar rules are arranged, and interconnect, to form LED screen body, LED screen body can be used to show various pictures, literal or animation.

The cartoon display screen, information line-screen etc. that for example, can be used for the public place; 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; Described LED unit is provided with a light collecting part, is used for the light of each LED light emitting diode is wherein reflexed to the outside; Each circuit is combined into a winding displacement; At least one fixed bit is set on the described winding displacement, is used for fixing each LED unit; Described winding displacement also is provided with at least one support bar, is used to prevent distortion.

Each LED lamp bar in the LED screen body can be arranged in parallel, and also can intersect mutually.For example: be arrangeding in parallel can comprise and walk crosswise parallel, horizontal parallel, vertical parallel and oblique parallel, and each LED lamp bar of being parallel to each other each circuit by winding displacement is connected from beginning to end, promptly can form the utility model LED screen body.

Cross one another each LED lamp bar moulding as required for example can become waveform, spirality etc., and cross one another each LED lamp bar each circuit by winding displacement is connected from beginning to end, promptly can form the utility model LED screen body.

For example, in the described LED screen body, described light collecting part is inner chamber hollow, have light-emitting window, inner surface is the mirror condenser of sphere or elliposoidal.

And for example, in the described LED screen body, described light collecting part is the combination of at least one reflection concentration type eyeglass, and the side of described light-collecting lens is linear or arc.On this basis, in the described LED screen body, described light collecting part can be the combination of at least three condenser sheets.

And for example, in the described LED screen body, each LED unit passes through described winding displacement setting, and same LED unit is at the quality balance of described winding displacement both sides.

And for example, in the described LED screen body, the cross section of described support bar be at least circle, ellipse, triangle, quadrangle or pentagonal one of them.

And for example, in the described LED screen body, described LED lamp bar is covered with at least one membrane waterproofing.

And for example, in the described LED screen body, described LED unit directly is fixed on the described fixed bit, or is fixed on the described fixed bit by at least one fixed cell.

And for example, in the described LED screen body, 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; 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.

In above-mentioned each example, described LED light emitting diode can be OLED (Organiclight-emitting diode, an Organic Light Emitting Diode), and the utility model is not made any additional limits to this.

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 the utility model claims.

Claims

1, a kind of 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 described LED unit comprises at least one LED light emitting diode and control module thereof;

Described LED unit is provided with a light collecting part, is used for the light of each LED light emitting diode is wherein reflexed to the outside;

Each circuit is combined into a winding displacement; At least one fixed bit is set on the described winding displacement, is 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, described light collecting part is inner chamber hollow, have light-emitting window, inner surface is the mirror condenser of sphere or elliposoidal.

3, LED lamp bar according to claim 1 is characterized in that, described light collecting part is the combination of at least one reflection concentration type eyeglass, and the side of described light-collecting lens is linear or arc.

4, LED lamp bar according to claim 3 is characterized in that, described light collecting part is the combination of at least three condenser sheets.

5, 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.

6, 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.

7, LED lamp bar according to claim 1 is characterized in that, described LED lamp bar is covered with at least one membrane waterproofing.

8, LED lamp bar according to claim 1 is characterized in that, described LED unit directly is fixed on the described fixed bit, or is fixed on the described fixed bit by at least one fixed cell.

9, 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;

Described second side and described first side are oppositely arranged.

10, a kind of 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 described LED unit comprises at least one LED light emitting diode and control module thereof;

11, LED according to claim 10 screen body is characterized in that, described light collecting part is inner chamber hollow, have light-emitting window, inner surface is the mirror condenser of sphere or elliposoidal.

12, LED screen body according to claim 10 is characterized in that described light collecting part is the combination of at least one reflection concentration type eyeglass, and the side of described light-collecting lens is linear or arc.

13, LED screen body according to claim 12 is characterized in that described light collecting part is the combination of at least three condenser sheets.

14, LED screen body according to claim 10 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.

15, LED according to claim 10 screen body is characterized in that, the cross section of described support bar be at least circle, ellipse, triangle, quadrangle or pentagonal one of them.

16, LED screen body according to claim 10 is characterized in that described LED lamp bar is covered with at least one membrane waterproofing.

17, LED screen body according to claim 10 is characterized in that described LED unit directly is fixed on the described fixed bit, or is fixed on the described fixed bit by at least one fixed cell.

18, LED screen body according to claim 10 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;

Described second side and described first side are oppositely arranged.