CN202693747U - Testing platform for LED (light emitting diode) element - Google Patents
Testing platform for LED (light emitting diode) element Download PDFInfo
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- CN202693747U CN202693747U CN 201220349048 CN201220349048U CN202693747U CN 202693747 U CN202693747 U CN 202693747U CN 201220349048 CN201220349048 CN 201220349048 CN 201220349048 U CN201220349048 U CN 201220349048U CN 202693747 U CN202693747 U CN 202693747U
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Abstract
The utility model discloses a testing platform for an LED (light emitting diode) element. The testing platform comprises a support, and at least two LED light bars which are arranged in parallel on the support; the space between two adjacent two LED light bars can be adjusted; each LED light bar comprises at least one welding pad and a conductive inserting pin; the at least one welding pad and the conductive inserting pin on the same LED light bar are electrically connected; and the welding pads on two adjacent LED light bars are corresponding to each other in position. According to the testing platform provided by the utility model, a plurality of welding pads arranged on each light bar contain at least two welding pads of different specifications; the space between two adjacent light bars can be adjusted so that the space between the welding pads which are corresponding to each other in a one-by-one way can be adjusted, and LED elements of at least two packaging specifications can be tested; and the testing platform is capable of testing the LED elements of various packaging specifications.
Description
Technical field
The utility model relates to LED element test technical field, particularly a kind of test platform of LED element.
Background technology
At LED(Light Emitting Diode, light emitting diode) technical field, after finishing, the LED component encapsulation also needs some characteristics of LED element are tested, such as the temperature characterisitic of LED element, electroluminescence characteristic, light characteristic etc.
In the prior art, in the process that the LED element is tested, cathode pad and the anode bond pad of LED element need to be welded on respectively on the pad of LED lamp bar, with the electrical control of realization to the LED element after encapsulating, and then test.
As depicted in figs. 1 and 2, Fig. 1 is LED element and its LED lamp bar welded structure schematic diagram of a kind of specification of the prior art; Fig. 2 is the LED element shown in Fig. 1 and the welded structural representation of its LED lamp bar.
Because the LED element 3 in the industry is of a great variety at present, and encapsulation is different, the cathode pad of the LED element 3 of different encapsulation and the set-up mode between the anode bond pad are different, so when the LED element 3 after the encapsulation is tested, need to design separately LED lamp bar 1 for the LED element 3 of each specification, waste time and energy.
The utility model content
The utility model provides a kind of test platform that can test the LED element of multiple encapsulation specification.
For achieving the above object, the utility model provides following technical scheme:
A kind of test platform of LED element comprises:
Support;
Be installed on side by side at least two the adjustable LED lamp bars of spacing between described support and the two adjacent LEDs lamp bar, each LED lamp bar has at least one pad and conductive pin, at least one pad on the same LED lamp bar and conductive pin are electrically connected, pad locations on the two adjacent LEDs lamp bar is corresponding one by one, and two corresponding pads of position are used for LED element of cross-over connection between two adjacent LEDs lamp bar.
Preferably, two adjacent LEDs lamp bar is parallel to each other.
Preferably, at least one pad on the same LED lamp bar has at least two kinds of different specifications, and corresponding two the pad specifications in position are identical on the two adjacent LEDs lamp bar.
Preferably, described support also has the rule of measuring spacing between adjacent two described LED lamp bars.
Preferably, described support comprises:
Orthogonal the first frame of the bearing of trend of length direction and described LED lamp bar has the first chute that extends along its length direction;
The second frame that length direction is parallel with the length direction of described the first frame has second chute parallel with described the first chute;
One end is fixedly connected with described the first frame, at least one positioning frame that the other end is fixedly connected with described the second frame;
Each described LED lamp bar is provided with the first stop means that slidably is connected with described the first chute, with the second stop means that slidably is connected with described the second chute.
Preferably, described rule is arranged on described the second frame.
Preferably, each described LED lamp bar all is removably installed in described support, and described the first stop means and described the second stop means are set bolt.
Preferably, described support comprises: two slide rails that are parallel to each other are provided with locating device between the two described slide rails;
Have the chute that is slidingly matched with described slide rail on each described LED lamp bar, and be provided with stop means between described slide rail and the described chute;
Described rule is arranged in the described slide rail at least one.
Preferably, described support is the support plate with platy structure, and described support plate is provided with two chutes that are parallel to each other, and each described LED lamp bar is provided with the stop means that slidably is connected with described chute.
Preferably, described support is the support plate with platy structure, and described support plate is provided with two slide rails that are parallel to each other, and each described LED lamp bar is provided with the chute that slidably is connected with described slide rail, and is provided with stop means between described chute and the described slide rail.
The test platform of the LED element that the utility model provides, comprise support, be installed on side by side at least two the adjustable LED lamp bars of spacing between described support and the two adjacent LEDs lamp bar, each LED lamp bar has at least one pad and conductive pin, at least one pad on the same LED lamp bar and conductive pin are electrically connected, pad locations on the two adjacent LEDs lamp bar is corresponding one by one, and two corresponding pads of position are used for LED element of cross-over connection between two adjacent LEDs lamp bar.
The support of the test platform that the utility model provides is provided with at least two LED lamp bars of installing side by side, and the spacing between two adjacent LED lamp bars is adjustable, in the time need to testing the LED element of a certain encapsulation specification, at first need this LED element is welded on the test platform; At first need to realize the spacing between two corresponding pads of position is regulated by the distance of regulating between two adjacent LED lamp bars, mutually the distance between the corresponding pad is corresponding with cathode pad and the distance between the anode bond pad of LED element to be tested to the position to make this, regulate complete after, the cathode pad of LED element to be measured is welded on of two corresponding pads of position, anode bond pad is welded on another pad, the conductive pin that just can arrange by the LED lamp bar at relative pad place, these two positions after the welding is electrically connected two electrodes of testing power supply, the LED element is lighted, then by the test of other proving installation realization to LED element correlation properties.
Owing in the test platform that the utility model provides, can realize by the distance between the adjusting two adjacent LEDs lamp bar adjustment to spacing between two relative pads of position, can test the LED element of at least two kinds of encapsulation specifications.
Therefore, the test platform that the utility model provides can be tested the LED element of multiple encapsulation specification realizing.
Description of drawings
Fig. 1 is LED element and its LED lamp bar welded structure schematic diagram of a kind of specification of the prior art;
Fig. 2 is the LED element shown in Fig. 1 and the welded structural representation of its LED lamp bar;
The structural representation of the test platform of a kind of LED element that Fig. 3 provides for the utility model embodiment;
The side-looking structural representation of the test platform of a kind of LED element that Fig. 4 provides for the utility model embodiment;
The plan structure schematic diagram of the test platform of a kind of LED element that Fig. 5 provides for the utility model embodiment;
Fig. 6 is the structural representation that arranges of the cathode pad of LED element of the first of the prior art encapsulation specification and anode bond pad;
The circuit diagram of building when the test platform of a kind of LED element that Fig. 7 provides for the utility model embodiment carries out temperature property test to the LED element of the first encapsulation specification;
Fig. 8 be the second of the prior art encapsulation specification the LED element cathode pad, anode bond pad and heat dissipation bonding pad structural representation is set;
The circuit diagram of building when the test platform of a kind of LED element that Fig. 9 provides for the utility model embodiment carries out the volt-ampere characteristic test to the LED element of the second encapsulation specification.
Main element symbol description among the figure:
1,12,31,33:LED lamp bar; 1211,21: the first pads; 1212,22: the second pads; 3,13,14,16,17:LED element; 32,34: electrical connection device; 161,171: cathode pad; 162,172: anode bond pad; 11: support; 121: pad; 122: conductive pin; 15: power supply; 173: heat dissipation bonding pad; 18: voltmeter; 1121: rule; 111: the first frames; 1111: the first chutes; 112: the second frames; 1122: the second chutes; 113: positioning frame; 123: set bolt.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The test platform of a kind of LED element that provides in the technical solutions of the utility model one comprises:
Support;
Be installed on side by side at least two the adjustable LED lamp bars of spacing between described support and the two adjacent LEDs lamp bar, each LED lamp bar has at least one pad and conductive pin, at least one pad on the same LED lamp bar and conductive pin are electrically connected, pad locations on the two adjacent LEDs lamp bar is corresponding one by one, and two corresponding pads of position are used for LED element of cross-over connection between two adjacent LEDs lamp bar.
The support of test platform is provided with at least two LED lamp bars of installing side by side, and the spacing between two adjacent LED lamp bars is adjustable, in the time need to testing the LED element of a certain encapsulation specification, at first needs this LED element is welded on the test platform; At first need to realize the spacing between two corresponding pads of position is regulated by the distance of regulating between two adjacent LED lamp bars, mutually the distance between the corresponding pad is corresponding with cathode pad and the distance between the anode bond pad of LED element to be tested to the position to make this, regulate complete after, the cathode pad of LED element to be measured is welded on of two corresponding pads of position, anode bond pad is welded on another pad, the conductive pin that just can arrange by the LED lamp bar at relative pad place, these two positions after the welding is electrically connected two electrodes of testing power supply, the LED element is lighted, then by the test of other proving installation realization to LED element correlation properties.
Owing in the test platform that the utility model provides, can realize by the distance between the adjusting two adjacent LEDs lamp bar adjustment to spacing between two relative pads of position, can test the LED element of at least two kinds of encapsulation specifications.
Therefore, the test platform that the utility model provides can be tested the LED element of multiple encapsulation specification realizing.
As the technical solution of the utility model two, on the basis of technical scheme one, the set-up mode of the lamp bar in the test platform that the technical program provides technique scheme one limits, and preferably, the bearing of trend of two adjacent LEDs lamp bar is parallel to each other.Adjacent two LED lamp bar be arranged in parallel, is convenient to the distance between the two LED lamp bars is adjusted.
As the technical solution of the utility model three, on the basis of technical scheme two, the technical program limits specification kind and the set-up mode of at least one pad on adjacent two LED lamp bars, preferably, at least one pad on the same LED lamp bar has at least two kinds of different specifications, and corresponding two the pad specifications in position are identical on the two adjacent LEDs lamp bar.Because in the test platform, two adjacent LED lamp bars have the pad of at least two kinds of different sizes that are oppositely arranged, and therefore, can test the LED element of two kinds of different sizes simultaneously.
As the technical solution of the utility model four, on the basis of technical scheme three, for ease of determining the distance between the adjacent two LED lamp bars, preferably, in the test platform that the technical program provides, support also has the rule of measuring spacing between the two adjacent LEDs lamp bar.
As the technical solution of the utility model five, on the basis of technical scheme four, the technical program limits the concrete structure of support and the adjustment structure between LED lamp bar and the support, preferably, in the test platform that the technical program provides, support comprises: orthogonal first frame of bearing of trend of length direction and LED lamp bar has the first chute that extends along its length direction; The second frame that length direction is parallel with the length direction of the first frame has second chute parallel with the first chute; One end is fixedly connected with the first frame, at least one positioning frame that the other end is fixedly connected with the second frame; Each LED lamp bar is provided with the first stop means that slidably is connected with the first chute, with the second stop means that slidably is connected with the second chute.
As the technical solution of the utility model six, on the basis of technical scheme five, the technical program limits the setting position of rule, and preferably, rule is arranged on the second frame.
As the technical solution of the utility model seven, on the basis of technical scheme six, the technical program limits the connected mode between LED lamp bar and the support and syndeton, preferably, each LED lamp bar all is removably installed in support, and the first stop means and the second stop means are set bolt.
As the technical solution of the utility model eight, on the basis of technical scheme four, the technical program limits the concrete structure of support and the adjustment structure between LED lamp bar and the support, preferably, support comprises: two slide rails that are parallel to each other are provided with locating device between two slide rails; Have the chute that is slidingly matched with slide rail on each LED lamp bar, and be provided with stop means between slide rail and the chute; Rule is arranged in the slide rail at least one.
As the technical solution of the utility model nine, on the basis of technical scheme four, the technical program limits the concrete structure of support and the adjustment structure between LED lamp bar and the support, preferably, support is the support plate with platy structure, support plate is provided with two chutes that are parallel to each other, and each LED lamp bar is provided with the stop means that slidably is connected with chute.
As the technical solution of the utility model ten, on the basis of technical scheme four, the technical program limits the concrete structure of support and the adjustment structure between LED lamp bar and the support, preferably, support is the support plate with platy structure, support plate is provided with two slide rails that are parallel to each other, and each LED lamp bar is provided with the chute that slidably is connected with slide rail, and is provided with stop means between chute and the slide rail.
Above-mentionedly enumerated the preferred technical scheme that the utility model provides, can make up between the corresponding technical scheme, to form corresponding embodiment in the utility model, in specific embodiment, also there are other replacement schemes in above-mentioned a plurality of technical scheme, give unnecessary details no longer one by one here.The test platform of the LED element that the utility model is provided below by some preferred embodiments is described, so that those skilled in the art are to the understanding of technical solutions of the utility model.
Embodiment one
Such as Fig. 3, Fig. 4 and shown in Figure 5, wherein, Fig. 4 is the side view of test platform shown in Figure 3, and Fig. 5 is the vertical view of test platform shown in Figure 3; The test platform of the LED element that the utility model provides, comprise support 11, be installed on side by side at least two the adjustable LED lamp bars 12 of spacing between described support 11 and the two adjacent LEDs lamp bar 12, each LED lamp bar 12 has at least one pad 121 and conductive pin 122, at least one pad 121 on the same LED lamp bar 12 and conductive pin 122 are electrically connected, pad 121 positions on the two adjacent LEDs lamp bar 12 are corresponding one by one, and corresponding two pads 121 in position are used for LED element of cross-over connection between two adjacent LEDs lamp bar 12.
The support 11 of the test platform that the utility model provides is provided with at least two LED lamp bars 12 of installing side by side, and the spacing between two adjacent LED lamp bars 12 is adjustable, in the time need to testing the LED element of a certain encapsulation specification, at first need this LED element is welded on the test platform; At first need to realize the spacing between two corresponding pads 121 of position is regulated by the distance of regulating between two adjacent LED lamp bars 12, mutually the distance between the corresponding pad 121 is corresponding with cathode pad and the distance between the anode bond pad of LED element to be tested to the position to make this, regulate complete after, the cathode pad of LED element to be measured is welded on of two corresponding pads 121 of position, anode bond pad is welded on another pad, the conductive pin 122 that just can arrange by the LED lamp bar 12 at relative pad 121 places, these two positions after the welding is electrically connected two electrodes of testing power supply, the LED element is lighted, then by the test of other proving installation realization to LED element correlation properties.
Specifically as shown in Figure 3, in the test platform architecture shown in Figure 3, LED element 14 is to be measured, LED element 14 need to be welded on two relative the first pads 1211 of position in two adjacent LED lamp bars 12, by regulating the spacing between above-mentioned adjacent two LED lamp bars 12, spacing between two the first pads 1211 that the position is relative is adjusted to the distance values of the cathode pad that satisfies above-mentioned LED element 14 and anode bond pad welding demand, thereby cathode pad and the anode bond pad of LED element 14 are welded on two the first pads 1211, can satisfy the testing requirement to above-mentioned LED element 14; LED element 13 as shown in Figure 3 again, the cathode pad of LED element 13 and the spacing between the anode bond pad are greater than the cathode pad of LED element 14 and the spacing between the anode bond pad, in two LED lamp bars 12 that can the cathode pad of LED element 13 and anode bond pad welding is adjacent on relative two the second pads 1212 in position, by regulating the spacing between two adjacent LED lamp bars 12, with above-mentioned position mutually the spacing between corresponding the second pad 1212 be adjusted to the cathode pad that satisfies LED element 13 and the distance values of anode bond pad welding demand, thereby cathode pad and the anode bond pad of LED element 13 are welded on two the first pads 1212, can satisfy the testing requirement to LED element 13.
In addition, above-mentioned test platform can be tested a plurality of LED elements simultaneously, and as shown in Figure 6 and Figure 7, in the structure of a kind of LED element 16 that encapsulates specification shown in Figure 6, its cathode pad 161 and anode bond pad 162 are arranged at respectively the two ends of this LED element 16; Fig. 7 is the electrical block diagram of connecting and building when the LED element 16 shown in a plurality of Fig. 6 carries out temperature property test between a plurality of LED lamp bars 12 of test platform, be positioned at an electrode electric connection of electrical connection device 32 with the power supply 15 of orientation shown in Figure 7 LED lamp bar 31 topmost, the electrical connection device 34 that is positioned at the LED lamp bar 33 of below is electrically connected with another electrode of power supply 15, by LED lamp bar 31 and LED lamp bar 33 and be serially connected with LED lamp bar 31 and LED lamp bar 33 between a plurality of LED lamp bars between LED element 16 formed a complete loop, can test the LED element 16 of a plurality of series connection simultaneously.
Such as Fig. 8 and shown in Figure 9, shown in Fig. 8 is a kind of LED element 17 with cathode pad 171, anode bond pad 172 and heat dissipation bonding pad 173 in the prior art, when testing with the LED element 17 of heat dissipation bonding pad, on can a pair of pad 121 with the edge of the cathode pad 171 of this LED element 17 and anode bond pad 172 welding and adjacent two LED lamp bars 12, the heat dissipation bonding pad 173 of this LED element 17 is overhanging, prevent that heat dissipation bonding pad 173 from contacting with other pads 121 on the LED lamp bar 12.In above-mentioned two adjacent LED lamp bars 12, electrode of the electrical connection device 122 of a LED lamp bar 12 and power supply 15 and terminals of voltmeter 18 are electrically connected, the electrical connection device 122 of another LED lamp bar 12 is electrically connected with another terminals of another electrode of power supply 15 and voltmeter 18, forms and detects the loop.
Therefore, owing in the test platform that the utility model provides, can realize the one to one adjustment of spacing between the pad 121 by the distance of regulating between the two adjacent LEDs lamp bar 12, can test the LED element of at least two kinds of encapsulation specifications.
So the test platform that the utility model provides can be tested the LED element of multiple encapsulation specification realizing.
In the preferred implementation, further, for the ease of the spacing between two adjacent LED lamp bars 12 is regulated, preferably, be parallel to each other between two adjacent LED lamp bars 12.
In the preferred implementation, in order to enlarge the scope of application of above-mentioned test platform, preferably, at least one pad 121 on the same LED lamp bar 12 has at least two kinds of different specifications, and corresponding two pad 121 specifications in position are identical on the two adjacent LEDs lamp bar 12.
In the preferred implementation, for strengthening the accuracy that the spacing between the adjacent LED lamp bar 12 is regulated, preferably, support 11 also has the rule 1121 of measuring spacing between the two adjacent LEDs lamp bar 12.The setting of rule 1121 can demonstrate the distance values between the two adjacent LED lamp bars 12 more intuitively, thereby the spacing between the pad 121 of a pair of mutual correspondence can be adjusted to optimum value.
Embodiment two
On the basis of embodiment one and preferred implementation thereof, in use procedure, above-mentioned support 11 can have multiple concrete structure, and is corresponding, and LED lamp bar 12 also has multiple with the fit structure of support 11.
As a kind of preferred implementation, above-mentioned support 11 can comprise:
Orthogonal the first frame 111 of the bearing of trend of length direction and LED lamp bar 12 has the first chute 1111 that extends along its length direction;
The second frame 112 that length direction is parallel with the length direction of the first frame 111 has second chute 1122 parallel with the first chute 1111;
One end is fixedly connected with the first frame 111, at least one positioning frame 113 that the other end is fixedly connected with the second frame 112;
Each LED lamp bar 12 is provided with the first stop means that slidably is connected with the first chute 1111, with the second stop means that slidably is connected with the second chute 1122.
Preferably, above-mentioned rule 1121 is arranged on the second frame 112; Certainly, above-mentioned rule 1121 can also be arranged on the first frame 111; Even the first frame 111 and the second frame 112 are equipped with rule, get final product so long as can realize the spacing between the adjacent two LED lamp bars 12 measured.
Preferably, be further to increase the scope of application of above-mentioned test platform, each LED lamp bar 12 of mentioning in the technique scheme all is removably installed in support 11, and the first stop means and the second stop means are set bolt 123.
As a kind of preferred implementation, support 11 can also comprise: two slide rails that are parallel to each other are provided with locating device between two slide rails;
Have the chute that is slidingly matched with slide rail on each LED lamp bar 12, and be provided with stop means between slide rail and the chute;
As a kind of preferred implementation, support 11 can also be for having the support plate of platy structure, and support plate is provided with two chutes that are parallel to each other, and each LED lamp bar 12 is provided with the stop means that slidably is connected with chute.
As a kind of preferred implementation, support 11 can also be for having the support plate of platy structure, and support plate is provided with two slide rails that are parallel to each other, and each LED lamp bar 12 is provided with the chute that slidably is connected with slide rail, and is provided with stop means between chute and the slide rail.
Certainly, the matching relationship between the support 11 of mentioning in the technique scheme and the LED lamp bar 12 can also have a variety of, gives unnecessary details no longer one by one here.
Obviously, those skilled in the art can carry out various changes and modification to the utility model embodiment and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. the test platform of a LED element is characterized in that, comprising:
Support;
LED lamp bar, the spacing that is installed on side by side between described support and the two adjacent LEDs lamp bar is adjustable, described LED lamp bar has pad and conductive pin, pad on the same LED lamp bar and conductive pin are electrically connected, pad locations on the two adjacent LEDs lamp bar is corresponding one by one, and two corresponding pads of position are used for LED element of cross-over connection between two adjacent LEDs lamp bar.
2. test platform according to claim 1 is characterized in that, the bearing of trend of two adjacent LEDs lamp bar is parallel to each other.
3. test platform according to claim 2 is characterized in that, the pad on the same LED lamp bar has at least two kinds of different specifications, and corresponding two the pad specifications in position are identical on the two adjacent LEDs lamp bar.
4. test platform according to claim 3 is characterized in that, described support also has the rule of measuring spacing between adjacent two described LED lamp bars.
5. test platform according to claim 4 is characterized in that, described support comprises:
Orthogonal the first frame of the bearing of trend of length direction and described LED lamp bar has the first chute that extends along its length direction;
The second frame that length direction is parallel with the length direction of described the first frame has second chute parallel with described the first chute;
One end is fixedly connected with described the first frame, at least one positioning frame that the other end is fixedly connected with described the second frame;
Each described LED lamp bar is provided with the first stop means that slidably is connected with described the first chute, with the second stop means that slidably is connected with described the second chute.
6. test platform according to claim 5 is characterized in that, described rule is arranged on described the second frame.
7. test platform according to claim 6 is characterized in that, each described LED lamp bar all is removably installed in described support, and described the first stop means and described the second stop means are set bolt.
8. test platform according to claim 4 is characterized in that, described support comprises: two slide rails that are parallel to each other are provided with locating device between the two described slide rails;
Have the chute that is slidingly matched with described slide rail on each described LED lamp bar, and be provided with stop means between described slide rail and the described chute;
Described rule is arranged in the described slide rail at least one.
9. test platform according to claim 4 is characterized in that, described support is the support plate with platy structure, and described support plate is provided with two chutes that are parallel to each other, and each described LED lamp bar is provided with the stop means that slidably is connected with described chute.
10. test platform according to claim 4, it is characterized in that, described support is the support plate with platy structure, described support plate is provided with two slide rails that are parallel to each other, each described LED lamp bar is provided with the chute that slidably is connected with described slide rail, and is provided with stop means between described chute and the described slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220349048 CN202693747U (en) | 2012-07-18 | 2012-07-18 | Testing platform for LED (light emitting diode) element |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220349048 CN202693747U (en) | 2012-07-18 | 2012-07-18 | Testing platform for LED (light emitting diode) element |
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| CN202693747U true CN202693747U (en) | 2013-01-23 |
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| CN 201220349048 Expired - Lifetime CN202693747U (en) | 2012-07-18 | 2012-07-18 | Testing platform for LED (light emitting diode) element |
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