CN101319764A

CN101319764A - LED seamless illuminating device with no dark space

Info

Publication number: CN101319764A
Application number: CNA2008100291868A
Authority: CN
Inventors: 钟英; 周朝华
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-01
Filing date: 2008-07-01
Publication date: 2008-12-10
Anticipated expiration: 2028-07-01
Also published as: CN100595480C

Abstract

The invention discloses an LED seamless illuminator without dark regions. The invention is characterized in that the invention comprises an aluminum alloy plate, an LED crystal grain array, and a metallic conductor power supply circuit; wherein, a seamless reflecting groove array composed of at least four seamless reflecting grooves is arranged on the aluminum alloy plate, and transparent solid materials are filled in the seamless reflecting grooves; the LED crystal grain array is correspondingly arranged in the seamless reflecting groove array, a plurality of LED crystal grains of the LED crystal grain array are connected in series through a bonding weld line to form an LED crystal grain group, and crystal fixing glue is arranged among the LED crystal grains and the transparent solid materials; the metallic conductor power supply circuit is arranged on the aluminum alloy plate, and the LED crystal grains which are connected in series through the bonding weld line are connected in parallel on the metallic conductor power supply circuit; insulators are arranged among the aluminum alloy plate, the LED crystal grain array and the metallic conductor power supply circuit; the LED seamless illuminator has the advantages of high luminous efficiency, good heat elimination effect, low cost and without obvious bright spots and dark regions.

Description

A kind of LED seamless illuminating device of no dark space

Technical field

The present invention relates to a kind of LED seamless illuminating device of LED light-emitting device, particularly a kind of no dark space.

Background technology

The LED illuminating product of industry use at present, generally include the module and the high-power LED assembly that use little electric current single-encapsulated LED to form, it is luminous that the module that little electric current single-encapsulated LED is formed mostly can not the whole continuously plate of entire body, no matter how little the distance between each LED lamp have, seem also to have tangible bright spot and dark space, and in the module that little electric current single-encapsulated LED is formed, add the mixed light material tangible resistance light action is arranged, cause luminous efficiency to reduce greatly; Owing to its complex manufacturing technology, caloric value is big again for the high-power LED assembly, needs to increase extra fin device, and cost an arm and a leg, use the LED LGP of LGP technology luminous, be that printing ink is reflective owing to what use again, luminous efficiency is not high yet, can not use as illumination.

Summary of the invention

In order to overcome the deficiencies in the prior art, the invention provides a kind of LED seamless illuminating device of no dark space, this device has luminous efficiency height, no obvious bright spot and dark space, good heat dissipation effect, characteristics that cost is low.

The technical solution adopted for the present invention to solve the technical problems is:

A kind of LED seamless illuminating device of no dark space is characterized in that it comprises an aluminium alloy plate, and this aluminium alloy plate is provided with the seamless reflection groove array of being made up of at least four seamless reflection grooves, is filled with transparent solid material in the seamless reflection groove; One LED die array, its correspondence are arranged in the seamless reflection groove array, and some LED crystal grain are decided the sealing wire coupled in series by nation in the LED die array, to form some LED crystal grain groups, are provided with crystal-bonding adhesive between LED crystal grain and transparent solid material; The metallic conductor current supply circuit, it is arranged on the aluminium alloy plate, and above-mentioned each LED crystal grain group is decided sealing wire by nation and is connected in parallel on the metallic conductor current supply circuit; Be provided with insulator between aluminium alloy plate and LED die array and the metallic conductor current supply circuit.

As the preferred embodiment of the present invention, delegation or at least one row LED crystal grain are decided the sealing wire coupled in series by nation at least.

Above-mentioned seamless reflection groove is to be formed by aluminium alloy plate die casting, and seamless reflection groove can be square.

Above-mentioned seamless reflection groove is to be formed by aluminium alloy plate die casting, and seamless reflection groove also can be honeycomb type.

Be packaged with transparent colloid on the above-mentioned transparent solid material; And transparent colloid can adopt epoxy resin or transparent rubber body.

Also can be added with fluorescent material in transparent solid material that the present invention adopts and the transparent colloid, to obtain different glow colors.

Above-mentioned insulator can adopt transparent epoxy resin or rubber bodies.

The invention has the beneficial effects as follows: LED of the present invention is seamless, and the luminous plaque device directly uses the aluminium alloy mirror board, by being processed into seamless anacamptics array structure, the corresponding LED crystal grain of implanting, with fluorescent material with the inverse structural adjustment is photochromic can not cause optical attenuation, electrode is made on one side or both sides at aluminium alloy plate, and is luminous with LED formation path.This device had both overcome the weakness that the module that uses little electric current single-encapsulated LED to form appears to have obvious bright spot and dark space and causes luminous efficiency to reduce greatly because the module that little electric current single-encapsulated LED is formed adds too much mixed light material, do not have other great power LED complex manufacturing technology and the big shortcoming of caloric value again, the more important thing is that the cost of manufacture of this device is lower than the per unit LM cost of manufacture of before chatting two.This device can be on 25 sq thickness be that 3 millimeters the material utmost point realizes that the no dark space of 1000LM is luminous, need not install heat abstractor additional, this device can be made strip and panel shape.

Description of drawings

The present invention is further described below in conjunction with drawings and Examples.

Fig. 1 is the front view of seamless reflection groove of the present invention when being square;

Fig. 2 is the cutaway view of Fig. 1;

Fig. 3 is the front view of Fig. 1 when not encapsulating transparent colloid;

Fig. 4 is the front view of seamless reflection groove when being honeycomb type;

Fig. 5 is the front view of another embodiment of the present invention;

Fig. 6 is the front view of the 4th kind of embodiment of the present invention;

Fig. 7 is the front view behind the product encapsulation transparent colloid shown in Figure 6.

The specific embodiment

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 1, Fig. 2, Fig. 3 are the structural representations of first kind of embodiment of the present invention.The LED seamless illuminating device of a kind of no dark space shown in the figure, comprise an aluminium alloy mirror board 1, this aluminium alloy plate 1 is provided with the seamless reflection groove array of being made up of seamless reflection groove 2, seamless reflection groove has four at least, this is seamless, and reflection groove 2 is to be formed by aluminium alloy mirror board rheo-die-casting, and seamless reflection groove is square, correspondence is equipped with a LED crystal grain 3 arrays in seamless reflection groove array, be equipped with in the seamless reflection groove array of LED die array and be filled with transparent solid material 4, between LED crystal grain 3 and transparent solid material 4, be provided with crystal-bonding adhesive.

Aluminium alloy mirror board 1 is provided with the metallic conductor current supply circuit, this metallic conductor current supply circuit is made up of the metallic conductor 5 that is arranged on aluminium alloy mirror board 1 both sides, the electrode 6 that connects with metallic conductor 5 is installed on aluminium alloy mirror board 1, certainly, metallic conductor also can be arranged on the edge of any three sides of side of aluminium alloy mirror board or aluminium alloy mirror board, as Fig. 5, Fig. 6, shown in Figure 7, be not described further at this.

As shown in the figure, in LED crystal grain 3 arrays at least delegation or at least one row LED crystal grain decide sealing wire 7 coupled in series by nation, forming some LED crystal grain groups, and each LED crystal grain group is decided sealing wire 7 by nation and is connected in parallel on the metallic conductor current supply circuit.Certainly, also can will decide the sealing wire coupled in series by nation with a plurality of LED crystal grain in delegation or the same row, to form some LED crystal grain groups, and string and connection circuit can be that delegation or row are connected into a loop, also can multirow or multiple row be connected into a loop, in the practical application, because the operating voltage of each LED crystal grain is constant, at the LED crystal grain of setting each series loop under the operating voltage upper limit is arranged, for increasing the length of illuminator, every row or column can be laid two or more series LED crystal grain, as shown in Figure 5, and as figure.This mode can make illuminator meet the requirements of length, and width is restricted, standard design is two row or two row, we can weld surely by cross-line nation increases width, and this nonstandard production increasing degree is limited, in fact in the experiment of my door, directly lay metallic conductor in seamless reflective array, be used for increasing width, reasonable effect is also arranged, can satisfy general use.Inconsistent for the electrical property of avoiding each series loop, each series loop can be installed constant current additional, and 380umLED crystal grain 20MA electric current in the example can use constant current tube or directly use resistance, on the little metallic conductor that can place on the limit of the two volume.

For guaranteeing that the present invention has the good insulation performance performance, between aluminium alloy mirror board 1 and LED crystal grain 3 arrays and metallic conductor current supply circuit, be provided with insulator 8, wherein insulator 8 can be made by insulating materials such as transparent epoxy resin, rubber bodies.

On transparent solid material 4, also can encapsulate transparent colloid 9, this transparent colloid 9 can adopt epoxy resin or transparent rubber body etc., and also can be in transparent solid material and transparent colloid according to the fluorescent material that uses needs interpolation different color, to obtain different glow colors.

With reference to Fig. 4, Fig. 4 is the structural representation of second kind of embodiment of the present invention.The structure of embodiment shown in the figure and first kind of embodiment are basic identical, and difference is that seamless reflection groove is honeycomb type.

The present invention can be prepared as follows:

1, selects the 3mm left and right sides minute surface aluminium sheet of high-quality for use, and on aluminium alloy plate, be cast into seamless reflection groove array with square or honeycomb type shape; 2, the transparent thermosetting oil-insulation of spraying sticks the Copper Foil that contains dielectric film on the aluminium sheet both sides, puts into baking box and strengthens viscosity; 3, in seamless reflection groove, add an amount of transparent adhesive tape, this example of height that adds transparent adhesive tape is chosen 0.3-0.8mm, good effect is just arranged, in fact use common LED crystal grain whether this layer transparent adhesive tape effect and not obvious is arranged, if but use LED crystal grain at the bottom of some peeling liner, can increase luminous efficiency greatly; 4, select the LED crystal grain of the high 90um of the wide 380um of long 380um for use, some glue is solid brilliant; 5, nation welds surely; 6, lead-in wire; 7, directly energising detects; 8, use bi-component epoxide-resin, add fluorescent material, stir, behind the vacuum row bubble, embedding is a finished product.

Claims

1. the LED seamless illuminating device of a no dark space is characterized in that it comprises an aluminium alloy plate, and this aluminium alloy plate is provided with the seamless reflection groove array of being made up of at least four seamless reflection grooves, is filled with transparent solid material in the seamless reflection groove; One LED die array, its correspondence are arranged in the seamless reflection groove array, and some LED crystal grain are decided the sealing wire coupled in series by nation in the LED die array, to form some LED crystal grain groups, are provided with crystal-bonding adhesive between LED crystal grain and transparent solid material; The metallic conductor current supply circuit, it is arranged on the aluminium alloy plate, and above-mentioned each LED crystal grain group is decided sealing wire by nation and is connected in parallel on the metallic conductor current supply circuit; Be provided with insulator between aluminium alloy plate and LED die array and the metallic conductor current supply circuit.

2. the LED seamless illuminating device of a kind of no dark space according to claim 1 is characterized in that at least delegation or at least one row LED crystal grain decides the sealing wire coupled in series by nation.

3. the LED seamless illuminating device of a kind of no dark space according to claim 1 is characterized in that described seamless reflection groove is to be formed by aluminium alloy plate die casting, and described seamless reflection groove is square.

4. the LED seamless illuminating device of a kind of no dark space according to claim 1 is characterized in that seamless reflection groove is to be formed by aluminium alloy plate die casting, and described seamless reflection groove is honeycomb type.

5. the LED seamless illuminating device of a kind of no dark space according to claim 1 is characterized in that being packaged with transparent colloid on the described transparent solid material.

6. the LED seamless illuminating device of a kind of no dark space according to claim 5 is characterized in that described transparent colloid is epoxy resin or transparent rubber bodies.

7. according to the LED seamless illuminating device of claim 5 or 6 arbitrary described a kind of no dark spaces, it is characterized in that being added with fluorescent material in described transparent solid material and the transparent colloid.

8. the LED seamless illuminating device of a kind of no dark space according to claim 1 is characterized in that described insulator is transparent epoxy resin or rubber bodies.