CN101377272A

CN101377272A - LED apparatus

Info

Publication number: CN101377272A
Application number: CNA2008102235114A
Authority: CN
Inventors: 商松
Original assignee: Beijing Zhongqing Micro Digital Equipment Development Co Ltd
Current assignee: HENAN LEISHUO OPTOELECTRONICS TECHNOLOGY Co.,Ltd.
Priority date: 2008-09-28
Filing date: 2008-09-28
Publication date: 2009-03-04
Anticipated expiration: 2028-09-28
Also published as: CN101377272B

Abstract

The invention discloses an LED device, which comprises at least two LED modules, wherein, each LED module comprises a PCB board, at least one LED light-emitting diode arranged on the PCB board, and a cascade unit; each LED module is connected separately with the cascade unit to achieve cascade. The invention has simple structure, the connection structures between the LED modules are simple, and the occupied size is small.

Description

A kind of LED matrix

Technical field

The present invention relates to a kind of LED lighting device, in particular, a kind of LED matrix that is connected by at least two LED unit.

Background technology

In the LED industry, the LED product is to be interconnected and constituted by several LED pixels as LED display, 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.Connection in the prior art between the LED unit generally all realizes by various linkage units are set, as: Connection Block is set.And will realize each LED light emitting diode is independently controlled, thereby realize effects such as flicker, animation, each LED unit must be provided with one-level receipts or other documents in duplicate unit.Linkage unit and cascade unit are set respectively in each LED unit, can increase the flexibility of each LED unit, but simultaneously, the area occupied and the volume of each LED unit have also been increased, some LED unit will be provided with some linkage units and plurality of cascaded unit, the LED product structure of forming is complicated more, and it is big to take volume, and product is not attractive in appearance yet.And, some LED unit is installed in certain volume or area, will be difficult to make penetrating product.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, and syndeton is simple and take the little LED matrix of volume between the LED unit.

Technical scheme of the present invention is as follows: a kind of LED matrix, wherein, comprise at least two LED unit, and described LED unit comprises pcb board and at least one LED light emitting diode, one-level receipts or other documents in duplicate unit that is installed on the pcb board; Each LED unit is connected with described cascade unit respectively, is used to realize cascade.

Described LED matrix, wherein, described cascade unit comprises at least one positive source line, at least one power-polar curve, at least one control signal wire and at least one control module; Each control module is connected with each LED light emitting diode respectively, is used for the control signal according to each control signal wire input, drives its corresponding LED light emitting diode of control respectively; Each LED unit is electrically connected by described positive source line and described power-polar curve; And, by each control module and the cascade mutually of each control signal wire.

Described LED matrix, wherein, described cascade unit comprises a positive source line, a power-polar curve, a control signal wire and at least one control module; Each control module is the single line control module, only is used for the control signal according to control signal wire input, drives its corresponding LED light emitting diode of control; Each LED unit is electrically connected mutually by a positive source line and a power-polar curve, and, by each single line control module and control signal wire cascade mutually.

Described LED matrix, wherein, the part of each positive source line, power-polar curve and control signal wire is separately positioned on the pcb board in each LED unit, and another part respectively as separate lines, is used to realize the connection between each LED unit; Each control module is separately positioned on the pcb board in each LED unit.

Described LED matrix, wherein, each positive source line, power-polar curve and control signal wire are arranged to a multiply circuit near merging mutually respectively as separate lines.

Described LED matrix, wherein, each positive source line, power-polar curve and control signal wire are made as three separate lines respectively: positive source circuit, power cathode circuit and control signal circuit; Each LED unit is connected with described three separate lines respectively and is fixed on described three separate lines.

Described LED matrix, wherein, each LED unit is respectively provided to a few fixture, is used for each LED unit is separately fixed at described three separate lines.

Described LED matrix, wherein, each positive source line, power-polar curve and control signal wire are set to a multiply circuit near merging respectively, and each LED unit is connected with described multiply circuit respectively and is fixed on the described multiply circuit.

Described LED matrix, wherein, each LED unit is respectively provided to a few fixture, is used for each LED unit is separately fixed at described multiply circuit.

Described LED matrix, wherein, the pcb board of each LED unit is wholely set; Each positive source line, power-polar curve, control signal wire and control module are separately positioned on the described pcb board.

Adopt such scheme, the present invention is made as one by the cascade with LED matrix with being connected, and each LED unit is by the phase cascade of cascade unit, and, be connected by the cascade unit; Make between the LED unit syndeton simple, and it is little to take volume; And the present invention only is provided with one-level receipts or other documents in duplicate unit, and each LED unit only by cascade and the connection mutually of one-level receipts or other documents in duplicate unit, makes the LED matrix structure simpler, and it is also littler to take volume, can make very penetrating LED matrix, and LED matrix is also attractive in appearance.

Description of drawings

Fig. 1 is a schematic diagram of the present invention;

Fig. 2 is the schematic diagram of cascade of the present invention unit;

Fig. 3 is the schematic diagram of embodiments of the invention 2;

Fig. 4 is the schematic diagram of embodiments of the invention 3;

Fig. 5 is the schematic diagram of embodiments of the invention 4;

Fig. 6 is another schematic diagram of embodiments of the invention 4;

Fig. 7 is the schematic diagram of embodiments of the invention 5;

Fig. 8 is the schematic diagram of embodiments of the invention 6.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.

Embodiment 1

As depicted in figs. 1 and 2, the LED unit comprises pcb board 101 and LED light emitting diode 102.LED light emitting diode 102 can be installed on the side of pcb board 101, also can be installed on the side of pcb board 101, only otherwise influence LED light emitting diode 102 works and get final product; Each LED unit is provided with a LED light emitting diode 102 at least, LED light emitting diode 102 can be red LED light emitting diode or blue led light emitting diode, or the green LED light emitting diode, also can also be three kinds combination for wherein any two kinds of combinations.

Pcb board 101 can be lamina, doubling plate or multi-layer sheet according to actual needs, and wherein multi-layer sheet most preferably is 3 to 10 layers of pcb board, and every layer of pcb board comprises that all an insulated substrate and a printing are arranged on the conductive pattern layer on the insulated substrate.What the conductive pattern layer was set on a surface of insulated substrate is single face pcb board layer, be respectively arranged with the two-sided pcb board layer that is of conductive pattern layer on two surfaces of insulated substrate, 3 to 10 layers pcb board can only be made of single face pcb board layer, also can only constitute by two-sided pcb board layer, can also be by the combination of single face pcb board layer and two-sided pcb board layer and constitute, concrete constitute according to concrete needs determine.Between the two adjacent pcb board layers insulation adhesive sheet is set; the insulation adhesive sheet is an adhesive material; with the insulation adhesive sheet each pcb board layer is bonded to an integral body; thereby can make 3 to 10 layers pcb board of an integral body; can more effectively reduce the overall volume of pcb board, the insulation adhesive sheet can also play the effect of protection conductive pattern layer.

For example: 3 layers of pcb board can be made up of a two-sided pcb board layer and a single face pcb board layer; 3 layers of pcb board also can be by three single face pcb board layers with forming.

4 layers of pcb board can be made up of two two-sided pcb board layers, or are made up of two single face pcb board layers and a two-sided pcb board layer, or are made up of four single face pcb board layers.

8 layers of pcb board can be made up of four two-sided pcb board layers, or form by two single face pcb board layers and three two-sided pcb board layers, or form by four single face pcb board layers and two two-sided pcb board layers, or form by six single face pcb board layers and a two-sided pcb board layer, or form by eight single face pcb board layers.

Generally speaking,, then respectively each insulation adhesive sheet is arranged between the adjacent layer pcb board layer independently pcb board layer of several layers should be arranged, with each layer independently the pcb board layer be bonded to the pcb board of an integral body.

According to the occasion needs of using, pcb board 101 can be the flexible PCB plate, also can be the rigidity pcb board, perhaps is both combination.The rigidity pcb board has certain mechanical strength, and the parts of dressing up with it have certain bending resistance, are in flattened state in use.The flexible PCB plate is to be that base material is made with soft formation shape plastics or other soft insulating materials, and its made parts can be crooked and flexible, in use can be according to installation requirement with its bending moulding.And have under the certain mechanical strength by the pcb board of rigidity pcb board and the combination of flexible PCB plate, can carry out bending moulding to a certain degree.

More particularly, a certain pcb board can be the combination of flexible PCB plate and rigidity PCB layer, that is, its part is the flexible PCB flaggy, and part is a rigidity pcb board layer; For example, the rigidity pcb board interlayer of the flexible PCB plate of pcb board bar shaped and bar shaped row are formed, i.e. the flexible PCB plate A of a row bar shaped, and the next door is the rigidity pcb board B of a row bar shaped, the another side of rigidity pcb board B is the flexible PCB plate C of a row bar shaped, is arranged in order.

In multi-layer PCB board, flexible PCB flaggy and rigidity pcb board layer can also be another kind of combinations, promptly, PCB composite plate X is formed by flexible PCB flaggy and stacked the closing of rigidity pcb board, and promptly flexible PCB flaggy A and rigidity pcb board layer B are superimposed, and is superimposed with flexible PCB flaggy C again, superimposed so, successively.Described LED unit comprises the LED light emitting diode on pcb board and at least one installation pcb board;

As depicted in figs. 1 and 2, LED matrix of the present invention also comprises a cascade unit 103, is used to realize cascade and connection between each LED unit.Cascade unit 103 comprises at least one positive source line 201, at least one power-polar curve 203, at least one control signal wire 202 and at least one control module 204; Each positive source line is connected with external power supply respectively with each power-polar curve, is used to LED matrix that voltage is provided, to guarantee the operate as normal of electronic devices and components such as LED light emitting diode; Manyly can be connected with other electronic devices and components with the LED light emitting diode respectively, when the positive and negative line of certain a pair of power supply disconnects, not influence the operate as normal of the positive and negative polar curve of other power supplys the positive and negative polar curve of power supply; Also can be with a pair of positive and negative electrode power line wherein as the positive and negative polar curve of main power source, the positive and negative polar curve of other power supplys is as the stand-by power supply line, and power line has multiple assurance, like this, when main power line disconnects, do not influence the operate as normal of LED light emitting diode and other electronic devices and components.As shown in Figure 2, in order to make LED matrix structure of the present invention simpler, usually, cascade unit 103 only is provided with a positive source line 201 and a power-polar curve 203.

Control the LED light emitting diode 102 that is arranged on the pcb board 101 in order to drive, can be to each LED light emitting diode 102 independent control, thereby realize effects such as flicker, animation, cascade unit 103 also comprises at least one control module 204, each control module 204 drives the described LED light emitting diode 102 of control according to the control signal of each control signal wire 202 input.Each control module 204 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 204 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 204 that adopts was the single line transmission control unit, the control signal wire of single line transmission of control signals only was a control signal wire 202 of being made up of a lead.And for example: the single line control chip ZQL1111 that single line control module 204 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 light emitting diodes 102 of control.The structure of described LED matrix is simpler.

Each control module is connected in series by each holding wire, and is connected with each LED light emitting diode, controls each LED light emitting diode to drive, and therefore, each control module can be separately positioned on the pcb board in each LED unit, also can independently be provided with.

Each LED unit is by the 103 mutual cascades of cascade unit, and promptly by cascade unit input stage joint control system signal, with control LED cell operation, simultaneously, each LED unit also is connected by cascade unit 103, to realize LED matrix of the present invention.

Embodiment 2

As shown in Figure 3, a part of forming positive source line 201, power-polar curve 203 and the control signal wire 202 of cascade unit, be separately positioned on the pcb board 101 in each LED unit, the independent respectively one-tenth circuit of another part, promptly, positive source line 201 parts are arranged on the pcb board 101, and another part is used to connect two LED unit; Power-polar curve 203 parts are arranged on the pcb board 101, and another part is used to connect two LED unit; Signal control line 202 parts are arranged on the pcb board 101, and another part is used to connect two LED unit; Just, each LED unit is by a positive source line 201, a power-polar curve 203 and a control signal wire 202 mutual cascades, and adjacent two LED unit are to be connected by a positive source line 201, a power-polar curve 203 and a control signal wire 202 3 circuits.Because the connector that connects is few, has only three lines, is not easy to open circuit, the LED matrix structure is simpler, and the LED matrix of formation also has penetrating effect on the whole more.At present embodiment, each control module 204 can be arranged in each LED unit on the pcb board.

Embodiment 3

As shown in Figure 4; on the basis of embodiment 2; coupling part between the adjacent two LED unit; promptly a positive source line 201, a power-polar curve 203 and a control signal wire 202 are three-way independently becomes circuit pack; can three separate lines parts one insulating outer layer be set respectively respectively, can shield to circuit, for example; waterproof and dustproof also can prevent the short circuit between circuit.And, can be set to a multiply circuit 401 near merging by three circuits, include part positive source line 201, part power-polar curve 203 and part signal control line 202 in the multiply circuit 401, three-wayly separate with insulating barrier respectively, in case the short out road of principal vertical line.Because it is three-way that multiply circuit 401 comprises, circuit is firmer, be not easy to disconnect, and, connect also more succinct.

Embodiment 4

As shown in Figure 5 and Figure 6, one positive source line 201, a power-polar curve 203 and a control signal wire 202 are respectively three independently circuits, spaced apart in case the short circuit between the principal vertical line road of three circuits also can be provided with an insulating barrier on three circuit surfaces and prevent short circuit between the circuit.Each LED unit directly is fixed on independently on three circuits, promptly directly is separately fixed on positive source line 201, power-polar curve 203 and the control signal wire 202.Control module 204 also can interconnect with each circuit, and independent the setting.In order to realize cascade and the electrical connection between each electronic devices and components and each electronic circuit, at least one fixture 601 also is set in each LED unit, fixture 601 can be screw, rivet, hook, stickup unit, clamping unit, welding unit etc., as long as on LED unit difference fixed power source electrode line 201, power-polar curve 203 and control signal wire 202, and, realize the cascade between each electronic devices and components and each electronic circuit and be electrically connected getting final product.

For example, positive source line 201, power-polar curve 203 and control signal wire 202 are respectively three independently circuits, control module 204 is provided with a signal input tube pin and a signal output pin, control signal wire 202 is by the signal input tube pin, input control signal is in control module 204, and by signal input tube pin output cascade signal, that is, control module 204 is connected in series by control signal wire 202; Control module 204 also is provided with a positive source pin and a power cathode pin, respectively with positive source line 201 and power-polar curve 203 corresponding fixedlying connected; Pcb board is provided with two fixtures in each LED unit, as clamp A and clamp B be set, clamp A and clamp B are electrically connected with the positive and negative electrode pin of LED light emitting diode respectively, the LED unit inserts between control module 204 and the positive source line 201 by clamp A and clamp B, realize being electrically connected of each LED unit and each circuit with this, and, realize the cascade between each LED unit.

Control module 204 can also be arranged on the pcb board in each LED unit, each LED unit is by control module 204 and control signal wire 202 cascade mutually, and, by pcb board in each LED unit fixture is set, to realize being electrically connected of each LED unit and each circuit.

Embodiment 5

As shown in Figure 7; on the basis of embodiment 4; positive source line 201, power-polar curve 203 and control signal wire 202 are set to a multiply circuit 701 near merging respectively; each LED unit branch is separately fixed on the described multiply circuit 701 by at least one fixture 601 is set; positive source line 201, power-polar curve 203 and control signal wire 202 wrap up an insulating barrier respectively; be used to prevent the short circuit between circuit, and be used for each circuit is shielded, as waterproof and dustproof etc.Each LED unit interconnects by multiply circuit 701, and by control module 204 and signal control line 202 cascade mutually, and control module can be provided with on the pcb board 101 each unit in, also can be with circuit 701 independent settings.

Embodiment 6

As shown in Figure 8, positive source line 201, power-polar curve 203, control signal wire 202 and each control module are provided with respectively on the pcb board in each LED unit, each pcb board in each LED unit is wholely set, each pcb board that is about in each LED unit is set to holistic pcb board 801, at least two LED light emitting diodes, be separately positioned on the same pcb board 801, promptly constitute at least two LED unit, each control module 204 also is arranged on the pcb board 801 simultaneously, and, drive the LED light emitting diode on the control pcb board according to the control signal that control signal wire 202 is imported.

Embodiment 7

On the basis of embodiment 1 to 6, in order to make the present invention have waterproof and effect such as dustproof, LED matrix of the present invention can also be provided with some shells,, can one monolithic case be set to LED matrix that is, perhaps, also can to each LED unit one shell be set respectively, each shell can be made as the open type shell, and described shell is provided with an installing port at least, be used to place LED light emitting diode 102, LED light emitting diode 102 stretches into described enclosure by described installing port.General shell is set to black, can play the effect of shading to the LED light emitting diode, makes the contrast of the exiting surface of LED light emitting diode and other faces bigger, and display effect is better.

Except employing is provided with shell comes LED matrix shielded, a rete can also be set LED matrix is played a protective role, be i.e. protective effect such as waterproof and dustproof.Rete covers the LED matrix surface by the mode of plated film, promptly the surface of pcb board, in the contact position of LED light emitting diode and pcb board, surface and each circuit and the contact position, LED unit etc. of each circuit.

In above-mentioned each example, described LED light emitting diode can be OLED (Organiclight-emitting diode, an Organic Light Emitting Diode), and the present invention does not make 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 claims of the present invention.

Claims

1, a kind of LED matrix is characterized in that, comprises at least two LED unit, and each LED unit comprises pcb board and at least one LED light emitting diode, one-level receipts or other documents in duplicate unit that is installed on the pcb board;

Each LED unit is connected with described cascade unit respectively, is used to realize cascade.

2, LED matrix according to claim 1 is characterized in that, described cascade unit comprises at least one positive source line, at least one power-polar curve, at least one control signal wire and at least one control module;

Each control module is connected with each LED light emitting diode respectively, is used for the control signal according to each control signal wire input, drives its corresponding LED light emitting diode of control respectively;

Each LED unit is electrically connected by described positive source line and described power-polar curve; And, by each control module and the cascade mutually of each control signal wire.

3, LED matrix according to claim 2 is characterized in that, described cascade unit comprises a positive source line, a power-polar curve, a control signal wire and at least one control module;

Each control module is the single line control module, only is used for the control signal according to control signal wire input, drives its corresponding LED light emitting diode of control;

Each LED unit is electrically connected mutually by a positive source line and a power-polar curve, and, by each single line control module and control signal wire cascade mutually.

4, according to claim 2 or 3 described LED matrixs, it is characterized in that the part of each positive source line, power-polar curve and control signal wire, be separately positioned on the pcb board in each LED unit, another part respectively as separate lines, is used to realize the connection between each LED unit; Each control module is separately positioned on the pcb board in each LED unit.

5, LED matrix according to claim 4 is characterized in that, each positive source line, power-polar curve and control signal wire are arranged to a multiply circuit near merging mutually respectively as separate lines.

According to claim 2 or 3 described LED matrixs, it is characterized in that 6, each positive source line, power-polar curve and control signal wire are made as three separate lines respectively: positive source circuit, power cathode circuit and control signal circuit; Each LED unit is connected with described three separate lines respectively and is fixed on described three separate lines.

7, LED matrix according to claim 6 is characterized in that, each LED unit is respectively provided to a few fixture, is used for each LED unit is separately fixed at described three separate lines.

8, according to claim 2 or 3 described LED matrixs, it is characterized in that, each positive source line, power-polar curve and control signal wire are set to a multiply circuit near merging respectively, and each LED unit is connected with described multiply circuit respectively and is fixed on the described multiply circuit.

9, LED matrix according to claim 8 is characterized in that, each LED unit is respectively provided to a few fixture, is used for each LED unit is separately fixed at described multiply circuit.

10, according to claim 2 or 3 described LED matrixs, it is characterized in that the pcb board of each LED unit is wholely set; Each positive source line, power-polar curve, control signal wire and control module are separately positioned on the described pcb board.