CN201618763U

CN201618763U - Pin corrector for seamless LED (light-emitting diode) display screen

Info

Publication number: CN201618763U
Application number: CN2009202415850U
Authority: CN
Inventors: 蔡德晟
Original assignee: JIANGXI CHANGDA OPTOELECTRONICS TECHNOLOGY Co Ltd
Current assignee: JIANGXI CHANGDA OPTOELECTRONICS TECHNOLOGY Co Ltd
Priority date: 2009-12-02
Filing date: 2009-12-02
Publication date: 2010-11-03
Anticipated expiration: 2019-12-02

Abstract

The utility model provides a pin corrector for a seamless LED display screen, which relates to a tool for manufacturing the LED display screen. The pin corrector is used for greatly improving the efficiency of correcting pins, and the corrected pins have high quality and meet standards. The pin corrector comprises a plate; a plurality of pin correcting holes are arranged on the surface of the plate; the front parts of the pin correcting holes for the pins to be inserted are horn front holes with horn-shaped openings; and the rear parts of the pin correcting holes are straight holes. In the utility model, the pin correcting holes which are consistently arranged with LED packaging units are designed, and the dimensional requirements of the holes are matched with the standards of the standard pins, and thus, the corrected pins are very straight. The whole seamlessly combined LED packaging units can be wholly smoothly inserted when the pins are inserted into PCB (Printed circuit board), and then welding is carried out; thereby, the production efficiency and the product quality are greatly improved.

Description

The pin rectifier that is used for seamless LED display

Technical field

The utility model relates to a kind of instrument of making LED display, particularly relates to a kind of pin rectifier that is used for LED display.

Background technology

Existing led array display screen all has the formation that is stitched together of several LED encapsulation units.Structure as shown in Figure 1.Each LED encapsulation unit 1 comprises square framework 12, and the lamp hole 1200 of array arrangement is arranged on square framework 12.Be packaged with LED luminescence unit 11 in the lamp hole 1200.Referring to Fig. 2, each LED encapsulation unit 1 all passes through pin 4 and is connected with PCB 5, and the bottom of pin 4 is the sealing 6 with the chip encapsulation.As seen from Figure 1, have slit 2 between the two adjacent LEDs encapsulation unit, referring to Fig. 2, the distance of two adjacent relative PCB of LED encapsulation unit is different has up and down caused producing the place 3 that is uneven.

By analysis as can be seen, cause above-mentioned slit 2 and the place 3 that is uneven, mainly be since when being welded on single led encapsulation unit 1 on the PCB since employee's error hand-manipulated cause.Particularly askew pin 400 as shown in Figure 2 produces in this askew pin production transport process, and is generally inevitable.Because the existence of askew pin, add operative employee's manual error, make that above-mentioned slit and rugged error are inevitable, to such an extent as to we are now at indoor screen of all on the market LED and outdoor screen, closely see it all is uneven, and have either large or small slit.

The existence of above-mentioned these flaws makes screen seem coarse, influenced attractive in appearancely, particularly the slit between the two adjacent LEDs encapsulation unit exists, and can make dust be easy to enter display screen inside, be deposited on PCB and other electronic component, display screen is caused unpredictable damage.

Inventor of the present utility model has proposed a kind of display screen of seamless assembly unit LED encapsulation unit 1.It is example that LED encapsulation unit with 4 * 4 is assembled in a product above the PCB.Because the LED encapsulation unit is after producing, a little less than pin is highly brittle, be easy in the transportation storing process, deform, warp, before forming a seamless integral body, usually need manually the pin on each LED encapsulation unit to be checked, seamless assembly unit is carried out in the 400 artificial rectifications of askew pin again.Will make operative employee's workload very big like this, and efficient is also very low, and rectification effect often do not reach standard, and then do over again.

Summary of the invention

Problem to be solved in the utility model is: a kind of pin rectifier that is used for seamless LED display is provided, and this pin rectifier is used for improving the efficient of correcting pin greatly, and corrects out high-quality, standardized pin quality.

In order to solve the problems of the technologies described above, the utility model proposes a kind of pin rectifier that is used for seamless LED display, this pin rectifier comprises a plate, on the plate face, be provided with a plurality of pins and correct the hole, it is the preceding hole of loudspeaker with horn-like opening for the front portion that pin inserts that pin is corrected the hole, and the rear portion that pin is corrected the hole is a straight hole.

Preferably: the top of described plate is provided with handle, and the end of handle is connected the edge of described plate.

Preferably: described handle is the crosswise handle, and four ends of handle are connected four edges of described plate.

Preferably: have two array of pins to correct the hole on the described plate face, every row has 16 pins to correct the hole.

The beneficial effects of the utility model are as follows:

Compared to existing technology, the utility model has designed consistent pin of arranging with the LED encapsulation unit and has corrected the hole, and the pin standard of the dimensional requirement matching standard in hole, and it is just very straight and upright to correct the pin that comes out like this.The LED encapsulation unit integral body of whole seamless combination when inserting pin on the PCB, will be inserted very smoothly, welding then, and this can enhance productivity greatly and improve product quality.

Figure of description

Fig. 1 is the structural representation that has rough and uneven in surface, as to have slit LED display now.

Fig. 2 is the construction profile of Fig. 1.

Fig. 3 is a vertical view structure chart of the present utility model.

Fig. 4 is along the sectional structure chart of A-A direction among Fig. 3.

Fig. 5 is the front elevation of novel seamless, smooth LED display.

Fig. 6 be along among Fig. 5 along A direction view.

The specific embodiment

The utility model provides a kind of pin rectifier that is used for seamless LED display.This pin rectifier carries out respective design according to the standard of the pin welding position on pin row and the PCB on the LED encapsulation unit, and its structure is referring to Fig. 3 and Fig. 4.This pin rectifier comprises a plate 131, is provided with a plurality of pins and corrects hole 132 on the plate face, and it is the preceding hole 1321 of loudspeaker with horn-like opening for the front portion that pin inserts that pin is corrected hole 132, and the rear portion that pin is corrected the hole is a straight hole 1320.

Be provided with above plate 131 and be crosswise handle 133, four ends of handle 133 are connected four edges of plate 131.

Have two array of pins to correct the hole on the plate face, every row has 8 pins to correct the hole, and this is and the supporting design of the LED encapsulation unit of 4 * 4 arrays.

A kind of seamless display screen that the utility model relates to, its structure is referring to Fig. 5 and shown in Figure 6.

Each LED luminescence unit 11 used led chip comprises that growth substrates is the led chip of silicon substrate, as: be packaged with RGB three-primary colours led chip in each LED luminescence unit, blue-ray LED wherein and green light LED are that growth substrates is the led chip of silicon substrate.

The structure of LED display adopts the connecting method among Fig. 1 and Fig. 2.LED display is made up of a plurality of PCB unit splicings, and each PCB unit is assembled by the LED encapsulation unit 1 that several are welded on the PCB.

Each LED encapsulation unit 1 comprises into a plurality of LED luminescence units 11 of array distribution, and 11 encapsulation of LED luminescence unit are fixed in the lamp hole 1200 of the square framework 12 with four limits.

Referring to LED encapsulation unit structure schematic diagram shown in Figure 5.This figure is the LED luminescence unit that 4 * 4 arrays are arranged on the LED encapsulation unit 1.8 pins that all have a row to be connected with PCB in the upper and lower of each LED encapsulation unit 1, referring to Fig. 6, the root of pin 4 has sealing 6.

Per two adjacent square frameworks link together by the concave-convex connection structure that is located at edge.Concaveconvex structure is: the edge of the first square framework 1201 comprises recess, and the edge of the second square framework 1202 comprises the protruding position that can insert recess.As shown in Figure 5, the edge with recess is defined as cloudy limit, and the edge with protruding position is defined as positive limit.Be all recess or protruding position in four limits of square framework on two two adjacent edges, among Fig. 5, the right of a LED encapsulation unit and bottom are cloudy limit, and the top and the left side are positive limit.

As shown in Figure 6, be specially at the concaveconvex structure between two adjacent square frameworks: sun limit, the top projection (being protruding position) 7 on the top edge 12020 of the second square framework 1202 is set, the cloudy limit groove in the bottom of the strip on the bottom edge 12010 of the first square framework 1201 (being recess) 8, at the side of a LED encapsulation unit 100 the cloudy limit of side groove 800 is arranged, the cloudy limit of side groove is also arranged at the side of the 2nd LED encapsulation unit 101.

The cross section of sun limit, top projection 7 is a back taper, the back taper groove of cloudy limit, bottom groove 8 for matching with sun limit, the top projection 7 of strip.

LED display all is that having a lot is that the individuality of unit is spliced into PCB.And all can have a plurality of LED encapsulation units 1 as shown in Figure 1 to be spliced on each PCB.Going up 4 LED encapsulation units of installation with each PCB is example.

Before the assembling, check the pin on each LED encapsulation unit earlier, see if there is askew pin.If have, referring to Fig. 4, aiming at this array of pins with pin rectifier of the present utility model depresses and gets final product, askew pin is when stretching into pin rectification hole 132, because the rectification by force of straight hole 1320, askew pin 400 askew parts are become directly, have promptly corrected askew pin 400, make all pins meet the standard of PCB welding position, pin is consistent on the whole.Then 4 LED encapsulation units are stitched together, make in cloudy limit, insertion bottom, the angle point place groove 8 of sun limit, top projection 7 as shown in Figure 6 by framework.Observing pin again has touched crooked in operating process, if having, uses increasing plate of the present utility model to correct askew pin, makes on the whole to be consistent.The size that strengthens plate after the LED encapsulation unit is combined into integral body, uses above-mentioned increasing plate to weld preceding rectification once more corresponding to the size at whole PCB, and efficient is very high.

And then the welding position on the pin aligning PCB is inserted, carry out the pointwise welding.Basically can't see the slit between the LED encapsulation unit that splices like this, and whole panel is also very smooth, can just not rise and fall.

Because use of the present utility model, can make above-mentioned seamless LED display be able to produce with efficient way, compare artificial rectification poor efficiency, that no commodity production is worth, the utility model can make above-mentioned assembly unit screen improve rectification efficient and production efficiency greatly, is that above-mentioned seamless screen has had very big commodity production value.

The pin rectifier of the foregoing description is double, and the utility model can also be made single, single lengthening or the like, all have above-mentioned good effect.

Claims

1. pin rectifier that is used for seamless LED display, it is characterized in that: this pin rectifier comprises a plate, be provided with a plurality of pins and correct the hole on the plate face, it is the preceding hole of loudspeaker with horn-like opening for the front portion that pin inserts that pin is corrected the hole, and the rear portion that pin is corrected the hole is a straight hole.

2. the pin rectifier that is used for seamless LED display according to claim 1, it is characterized in that: the top of described plate is provided with handle, and the end of handle is connected the edge of described plate.

3. the pin rectifier that is used for seamless LED display according to claim 2 is characterized in that: described handle is the crosswise handle, and four ends of handle are connected four edges of described plate.

4. according to each described pin rectifier that is used for seamless LED display of claim 1 to 3, it is characterized in that: have two array of pins to correct the hole on the described plate face, every row has 16 pins to correct the hole.