CN201034262Y

CN201034262Y - LED light-emitting device

Info

Publication number: CN201034262Y
Application number: CNU2007201421395U
Authority: CN
Inventors: 王保亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-09-06
Filing date: 2007-03-28
Publication date: 2008-03-12
Anticipated expiration: 2017-03-28

Abstract

An LED luminescent device comprises a shallow plate shape rectangular shell body 1 which is used to arrange a printed circuit board 2 and a printed circuit board 2 with LED lighting lamps 21, 22, 23. The printed circuit board 2 is arranged in the shell body 1, which contains three module groups which consists of a red LED lamp 21, a green LED lamp 22 and a blue LED lamp 23. The LED lamps with same color in each module group are connected in serial. Four electric wires are respectively welded on the two ends of the printed board 2, wherein three electric wires are in electric connection with the corresponding LED lamps 21, 22, 23, the remained electric wire is a power wire 24. by arranging multi-color LED lamps in a module group and adopting the four-wire control mode, the utility model has the advantages of simple structure, low cost, low failure rate, easy single color and multi-color control, being convenient for respective control when single color or color combination is designed, and very simple control.

Description

A kind of LED light-emitting device

Technical field

The utility model relates to a kind of light-emitting device, and is especially a kind of with the light-emitting device of LED as light source.

Background technology

Light emitting diode (LED lamp) has energy consumption advantage low, easy to use, and the LED lamp is a kind of good cold light source; Monochromatic LED extensively is used for the light fixture of picture traffic lights and so on with answering, and color LED comprehensively uses as three-primary color LED, then is used in as on giant-screen and so on or the electronic bill-board, is used for display pattern or literal etc.When on billboard, using, generally be to be rectangle with LED lamp bank forming shape or to be mounted to different shapes according to the circuit board (pcb board) of different graphic, and control by special hardware and/or software, reach like this and show that on screen default image attracts consumer's concern, in addition, the LED lamp also is to be widely used in family and other aspects, as ornament of Christmas tree etc.When traditional LED is used in as devices such as traffic lights, big screen LED demonstration or electronic bill-boards upward, it generally all is concrete structure according to this series products, design with this series products structure accordingly with the circuit board of LED, be electrically connected with the relevant portion of this series products.This frame mode makes the scope of application of LED restricted greatly, and flexibility, versatility are not high.

For addressing the above problem, Chinese patent literature CN1191641C discloses a kind of " LED light-emitting device ", comprise a plurality of LED photophores, this photophore comprises at least one led chip that is installed on the printed panel, on this circuit board, be provided with drive circuit and/or control circuit, to drive and/or to control this led chip by printed circuit pattern; At least one jack type lead-in wire electrode terminal, the connection pin that constitutes a hollow is to insert at least one through hole, as at least one power supply terminal and a control signal terminal; And main body that is made into LED photophore unit, transparent or semitransparent epoxy resin during it constitutes, LED photophore wherein is arranged to a predetermined block in the serial or parallel connection mode, driver and control circuit are installed in this piece respectively or jointly, one or more pieces that are provided with in the serial or parallel connection mode are made into an integral body that is molded in the transparent epoxy resin, constitute a housing.This LED light-emitting device, though solved the deficiency in traditional LED use, can reach and use LED more neatly, but, but there is the problem of following several aspects in this LED light-emitting device, the one, the so-called photophore unit main body in this LED light-emitting device, it is LED serial or parallel connection by a kind of solid color (in the three primary colours a kind of), by in a row molded in aggregates with transparent epoxy resin, like this, when some light-emitting devices need multicolour, use the light-emitting device of such monolithic devices, just need use the complexity that colour display device is become with a plurality of such light-emitting devices side by side; The 2nd,, this LED light-emitting device, with led chip and/or control circuit together with epoxy resin cure together, when wherein any one led chip and/or control circuit break down, then its whole luminescence unit main body all must be scrapped, and it wastes resource; In addition, also because this LED light-emitting device integrates LED photophore, led chip and control circuit, because its complex circuit, the trouble point is many, then the fault rate height; The 4th, this LED lamp adopts the structure of reserving jack type lead-in wire electrode terminal on circuit board, and the reliability that its lead connects is not high.

Summary of the invention

The technical problem that the utility model solved is, overcomes above-mentioned defective, provides a kind of simple in structure, with low cost, LED light-emitting device that fault rate is low to society.

The utility model LED light-emitting device integrates multiple LED electroluminescent lamp, adopts the connected mode of three looks, four lines, can mate with any control line easily, uses with any one group of LED module control, and is when needing colour, very easy to use;

The utility model LED light-emitting device can be designed to water proof type, promptly pours into transparent epoxy resin between printed circuit board (PCB) and housing, and to reach the purpose of waterproof, this LED light-emitting device is suitable for outdoor use; Also can be designed to non-water-tight, promptly without epoxy resin perfusion, this LED light-emitting device, have one be cheap, the 2nd, the advantage of being convenient to install.

In addition, the utility model LED light-emitting device, it both can singly organize use, also can organize more and unite use.

Certainly, the utility model also can be made substitute with neon lamp, and installs according to the needs that the user uses, and as the glittering effect of billboard, it has advantages of high practicability and can be the user reduces expenses.

LED light-emitting device provided by the utility model, a kind of LED light-emitting device, comprise the housing that is used for the device printed circuit board (PCB), the printed circuit board (PCB) of band LED electroluminescent lamp, described PBA printed board arrangement is in housing, include at least one group of module of being made up of redness, green and blue led lamp on described printed panel, described redness, green and blue led lamp are connected in parallel.

Three groups of modules are arranged on described printed panel, and each mutually homochromy LED lamp of organizing in the module is connected in series.

Two ends at described printed panel are welded with four wires respectively, and wherein three wires are electrically connected with corresponding LED lamp; Wherein, the corresponding red line of red LED lamp, the corresponding green line of green LED lamp, the corresponding blue line of blue led lamp, remainder is a power line.

Described red, green and blue look LED lamp is isosceles triangle and arranges.

Described shell is a rectangle, has only a pcb board in the enclosure.

Described LED lamp of all kinds is all a little more than plane on the shell.

Described printed circuit board (PCB) is packaged in the housing with transparent epoxy resin.

Described shell is the PVC material.

Be provided with double faced adhesive tape at the described shell back side.

The utility model includes at least one group of module of being made up of redness, green and blue led lamp owing to having adopted on described printed panel, described redness, green and blue led lamp are connected in parallel; Three groups of modules are arranged on described printed panel, and each mutually homochromy LED lamp of organizing in the module is connected in series; Two ends at described printed panel are welded with four wires respectively, and wherein three wires are electrically connected with corresponding LED lamp; Wherein, the corresponding red line of red LED lamp, the corresponding green line of green LED lamp, the corresponding blue line of blue led lamp, remainder is the structure of power line, like this, that the utility model just has is simple in structure, with low cost, fault rate is low; The control of monochrome or polychrome is convenient for people to aspect design is monochromatic or during color combination, can controls respectively easily, and the control very simple advantage of getting up.

Below, for clearer understanding structure of the present utility model, feature and function thereof, enumerate specific embodiment now and be described with reference to the accompanying drawings as follows:

Description of drawings

Fig. 1, be the three-dimensional decomposition texture schematic diagram of a kind of embodiment of the utility model;

Fig. 2, be the perspective view after the combination embodiment illustrated in fig. 1;

Fig. 3, be the top plan view structural representation of Fig. 1;

Fig. 4, be that the LED light-emitting device serial connection of two same structures forms the light-emitting device chain;

Fig. 5, be circuit theory schematic diagram embodiment illustrated in fig. 1.

The specific embodiment

See also Fig. 1, Fig. 2 and Fig. 3, the utility model is a kind of LED light-emitting device, comprise the shallow discoid rectangle housing 1 that is used for device printed circuit board (PCB) 2, the printed circuit board (PCB) 2 of band

LED electroluminescent lamp

21,22,23, described printed circuit board (PCB) 2 devices are in housing 1, on described printed panel 2, include three groups of modules of forming by red LED lamp 21, green LED lamp 22 and blue led lamp 23, each mutually homochromy LED lamp of organizing in the module is connected in series, i.e. each red LED lamp 21 in three groups of modules, green LED lamp 22 and blue led lamp 23 series connection mutually; Be again parallel with one another between red LED lamp 21, green LED lamp 22 and the blue led lamp 23 of series connection mutually.Two ends at described printed panel 2 are welded with four wires respectively, they are respectively red electric wire 212, green electric wire 222 and blue electric wire 232, red electric wire 212 joins with the red LED lamp 21 of connecting, green electric wire 222 joins with the green LED lamp 22 of connecting, and blue electric wire 232 joins with the blue led lamp 23 of connecting, and power line 24 is yellow; That is to say that in four wires, wherein three wires are electrically connected with corresponding LED lamp; Red LED lamp 21 corresponding red electric wires 212, green LED lamp 22 corresponding green electric wires 222, blue led lamp 23 corresponding blue electric wires 232, remainder is a power line 24.So just constituted so-called four line traffic controls, the collocation and the control of the favourable not homochromy LED lamp of this structure.Described four leads that are positioned at printed circuit board (PCB) 2 two ends are to draw from the upper side of shell 1, certainly, aforementioned four leads also can many shells 1 the bottom surface draw, promptly respectively reserve four holes at the two ends, bottom surface of shell 1, lead 24 is piercing in (not shown) outside the bottom surface from the hole.Also be furnished with the resistance R r211 of red LED lamp, the resistance R g221 of green LED lamp 22 and the resistance R b231 of blue led lamp 23 accordingly at red LED lamp 21, green LED lamp 22 and blue led lamp 23.Described red, green and blue

look LED lamp

21,22,23 is isosceles triangle and arranges.Described shell 1 is the PVC material.Described LED lamp of all

kinds

21,22,23 is a little more than plane on the shell 1.Be provided with double faced adhesive tape 11 at described shell 1 back side, be used for linking to each other with other object; Certainly, the utility model is except that the structure of available double faced adhesive tape 11 comes to join with other article, and mode and other object that also can be designed to be provided with in the both sides of housing 1 lug join.Obviously, the also available transparent epoxy resin 3 of above-mentioned printed circuit board (PCB) 2 is packaged in this housing 1, and the LED light-emitting device of this structure has the function of waterproof, is suitable for outdoor use.

See also Fig. 4, Fig. 4 is that the LED light-emitting device serial connection of two same structures forms the light-emitting device chain; Obviously, the LED light-emitting device of this structure, going out for the moment, can be by the LED light-emitting device serial connection of several (being generally 10) same structures, in use, people can be according to actual needs, join and cut the next one or several and correspondent control circuits, like this, different occasions have been made things convenient for widely, the needs of various combination.

Seeing also Fig. 5, Fig. 5, is the circuit theory schematic diagram of a LED light-emitting device embodiment illustrated in fig. 1.From figure as can be known, mutually homochromy LED lamp is connected, and not homochromy LED lamp is in parallel.

Claims

1. LED light-emitting device, comprise the housing that is used for the device printed circuit board (PCB), the printed circuit board (PCB) of band LED electroluminescent lamp, described PBA printed board arrangement is in housing, it is characterized in that: include at least one group of module of being made up of redness, green and blue led lamp on described printed panel, described redness, green and blue led lamp are connected in parallel.

2. LED light-emitting device according to claim 1 is characterized in that: three groups of modules are arranged on described printed panel, and each mutually homochromy LED lamp of organizing in the module is connected in series.

3. LED light-emitting device according to claim 2 is characterized in that: the two ends at described printed panel are welded with four wires respectively, and wherein three wires are electrically connected with corresponding LED lamp; Wherein, the corresponding red line of red LED lamp, the corresponding green line of green LED lamp, the corresponding blue line of blue led lamp, remainder is a power line.

4. according to claim 1,2 or 3 described LED light-emitting devices, it is characterized in that: described red, green and blue look LED lamp is isosceles triangle and arranges.

5. according to claim 2 or 3 described LED light-emitting devices, it is characterized in that: described shell is a rectangle, has only a pcb board in the enclosure.

6. LED light-emitting device according to claim 5 is characterized in that: described LED lamp of all kinds is all a little more than plane on the shell.

7. LED light-emitting device according to claim 6 is characterized in that: described printed circuit board (PCB) is packaged in the housing with transparent epoxy resin.

8. according to claim 1,2,3 or 6,7 described LED light-emitting devices, it is characterized in that: described shell is the PVC material.

9. LED light-emitting device according to claim 7 is characterized in that: be provided with double faced adhesive tape at the described shell back side.