CN212519513U

CN212519513U - Universal LED (light-emitting diode) packaging structure for alternating current and direct current

Info

Publication number: CN212519513U
Application number: CN202021237173.2U
Authority: CN
Inventors: 李时敏; 李时艳; 黎强
Original assignee: Shenzhen Hongqixing Photoelectric Technology Co ltd
Current assignee: Shenzhen Hongqixing Photoelectric Technology Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-02-09
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a general LED packaging structure of alternating current direct current, including PCB board and fluorescent screen, the fluorescent screen covers on the light emitting area of PCB board, the PCB board is equipped with positive pole and negative pole, be equipped with a plurality of wafers on the PCB board, a plurality of wafers set up respectively between positive pole and negative pole, be equipped with first circuit and second circuit between positive pole on the PCB board and the negative pole, the anodal direction of wafer of first circuit is at the negative pole direction of PCB board, the anodal direction of wafer of second circuit is in the anodal direction of PCB board, the anodal direction of wafer on the first circuit is the same, the anodal direction of wafer on the second circuit is the same. The utility model provides a pair of general LED packaging structure of alternating current direct current promotes the suitability of LED lamp pearl.

Description

Universal LED (light-emitting diode) packaging structure for alternating current and direct current

Technical Field

The utility model relates to a LED technical field, specifically speaking relates to a LED packaging structure.

Background

The LED lamp beads are just light emitting diodes, the LED lamp beads are luminous bodies conducting in a single direction, and if reverse current is too large, the wafers of the LED lamp beads are broken down, namely PN junctions of the wafers are broken down to be invalid.

The LED lamp beads can be powered on only by direct current, or after the alternating current is input, the alternating current is converted into the direct current through a circuit and then input into the LED lamp beads, so that the LED lamp beads emit light by direct current, but a circuit board is required to be arranged in front of the LED lamp beads, the alternating current is converted into the direct current, and after the circuit board is additionally arranged, the alternating current can only be used, and the direct current cannot be used.

Because of the characteristics of LED lamp pearl, current LED lamp pearl power supply mode is single, can only supply power through direct current or interchange, but outdoor generally only has direct current power storage device, and indoor interchange power supply inserts the electricity many usually, and current LED lamp pearl has can't satisfy the user demand under the multiple environment of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a general LED packaging structure of alternating current direct current promotes the suitability of LED lamp pearl.

The utility model discloses a technical scheme that general LED packaging structure of alternating current direct current adopted is:

the utility model provides a general LED packaging structure of alternating current direct current, includes PCB board and fluorescent screen, the fluorescent screen covers on the light emitting area of PCB board, the PCB board is equipped with anodal and negative pole, be equipped with a plurality of wafers on the PCB board, a plurality of wafers set up respectively between anodal and negative pole, be equipped with first circuit and second circuit between anodal and the negative pole on the PCB board, the anodal direction of wafer of first circuit is in the negative pole direction of PCB board, the anodal direction of wafer of second circuit is in the anodal direction of PCB board, the anodal direction of wafer on the first circuit is the same, the anodal direction of wafer on the second circuit is the same.

Preferably, the first circuit and the second circuit have the same number of wafers.

Preferably, the first circuit and the second circuit are provided with a third circuit which is communicated, the third circuit is provided with a plurality of wafers, and the positive electrodes of the wafers of the third circuit are in the same orientation.

Preferably, the third circuit has a plurality of parallel circuit structures.

The utility model discloses a general LED packaging structure of alternating current direct current's beneficial effect is: this structure has anodal opposite first circuit and second circuit of orientation, no matter direct current power supply or alternating current power supply promptly, the wafer that all has first circuit or second circuit switches on, make LED lamp pearl bright always, LED lamp pearl can supply power with interchange or direct current, realize that LED lamp pearl can directly set up in arbitrary power supply device, can avoid being punctured owing to insert improper power supply unit with LED lamp pearl, the suitability of the LED lamp pearl of promotion, and can promote LED lamp pearl's life.

Drawings

Fig. 1 is a schematic structural diagram of an ac/dc general LED package structure of the present invention.

Fig. 2 is a schematic diagram of a first embodiment of an ac/dc general LED package structure according to the present invention.

Fig. 3 is a schematic diagram of a second embodiment of the present invention.

Fig. 4 is a schematic diagram of a third embodiment of the present invention for an ac/dc general LED package structure.

Fig. 5 is a schematic diagram of a fourth embodiment of the present invention, which is a general ac/dc LED package structure.

Fig. 6 is a schematic diagram of a fifth embodiment of the present invention.

Fig. 7 is a schematic diagram of a sixth embodiment of an ac-dc general LED package structure according to the present invention.

Fig. 8 is a schematic diagram of a seventh embodiment of an ac/dc general LED package structure according to the present invention.

Fig. 9 is a schematic view of an eighth embodiment of an ac-dc general LED package structure according to the present invention.

Fig. 10 is a schematic view of a ninth embodiment of the ac/dc general LED package structure according to the present invention.

Fig. 11 is a schematic diagram of a tenth embodiment of an ac-dc general LED package structure according to the present invention.

Detailed Description

The invention will be further elucidated and described with reference to the following embodiments and drawings in which:

referring to fig. 1 to 11, an ac-dc general LED package structure includes a PCB 50 and a fluorescent film 51, the fluorescent film 51 is closely covered on a light emitting surface of the PCB 50, the PCB 50 is provided with a positive electrode and a negative electrode, the PCB 50 is provided with a plurality of chips 40, the plurality of chips 40 are respectively disposed between the positive electrode and the negative electrode, a first circuit 10 and a second circuit 20 are disposed between the positive electrode and the negative electrode on the PCB 50, a positive direction of the chip 40 of the first circuit 10 is in a negative direction of the PCB 50, a positive direction of the chip 40 of the second circuit 20 is in a positive direction of the PCB 50, positive directions of the chips 40 on the first circuit 10 are the same, and positive directions of the chips 40 on the second circuit 20 are the same. The first circuit 10 and the second circuit 20 have the same number of dies 40 thereon.

By connecting a plurality of LED lamp beads in series, the reverse resistance of the plurality of wafers 40 is large enough, so that the wafers 40 between the positive electrode and the negative electrode, which are opposite to the current, are prevented from being broken down, and the current flows through the wafers 40 which are forward to the current, so that the wafers 40 which are forward to the current are excited to be lighted. Because the positive directions of the wafers 40 on the first circuit 10 and the second circuit 20 are opposite, the first circuit 10 and the second circuit 20 are always communicated with the current direction, and therefore the LED lamp beads are normally on. Many power storage device are DC supply, and the domestic power consumption is AC supply to each power supply mode of adaptation that LED lamp pearl can be fine, simultaneously, because the AC power supply in-process, wafer 40 inside LED lamp pearl is in turn and bright, can effectively promote holistic life-span.

The first circuit 10 and the second circuit 20 have a third circuit 30 communicating with each other, the third circuit 30 is provided with a plurality of wafers 40, and the positive electrodes of the wafers 40 of the third circuit 30 are oriented in the same direction. The third circuit 30 has several parallel circuit structures. The third circuit 30 is normally on, and the parallel circuit through the third circuit 30 has a current shunting function, so that the current is reduced, the current passing through the wafer 40 is prevented from being too large, and the service life of the wafer 40 is prolonged.

Referring to fig. 2, the first circuit 10 and the second circuit 20 are formed by four dies 40, and the first circuit 10 and the second circuit 20 respectively have two dies 40. Depending on the different wafer 40 specifications selected and the power supply means connected in, a plurality of such structures are connected in series so that the resistance of the wafer 40 on the circuit is sufficiently large to avoid the wafer 40 from breaking down, while at the same time there is always one circuit of the first circuit 10 and the second circuit 20 in communication with the direction of the current flow so that the wafer 40 on always one circuit is illuminated.

Referring to fig. 3, the first circuit 10, the second circuit 20 and the third circuit 30 are formed by five chips 40, the first circuit 10 and the second circuit 20 respectively have three chips 40, and the third circuit 30 has one chip 40. The wafer 40 of the third circuit 30 is shared by the first circuit 10 and the second circuit 20, and the wafer 40 of the third circuit 30 is always lit.

Referring to fig. 4, the first circuit 10, the second circuit 20 and the third circuit 30 are formed by six chips 40, the first circuit 10 and the second circuit 20 respectively have four chips 40, and the third circuit 30 has two chips 40. The wafer 40 of the third circuit 30 is shared by the first circuit 10 and the second circuit 20, and the wafer 40 of the third circuit 30 is always lit. While the two dies 40 of the third circuit 30 are in a parallel relationship so that the current is shunted.

Referring to fig. 5, the first circuit 10, the second circuit 20 and the third circuit 30 are formed by seven wafers 40.

Referring to fig. 6, the first circuit 10, the second circuit 20 and the third circuit 30 are formed by eight dies 40.

Referring to fig. 7, the first circuit 10, the second circuit 20 and the third circuit 30 are formed by nine dies 40.

Referring to fig. 8, the first circuit 10, the second circuit 20, and the third circuit 30 are formed by ten wafers 40.

Referring to fig. 9, the first circuit 10, the second circuit 20, and the third circuit 30 are formed by eleven wafers 40.

Referring to fig. 10, the first circuit 10, the second circuit 20 and the third circuit 30 are formed by twelve dies 40.

Referring to fig. 11, the first circuit 10, the second circuit 20 and the third circuit 30 are formed by thirteen wafers 40.

Further wafers 40 may be grouped into first circuits 10, second circuits 20 and third circuits 30 according to the above-described structure.

In the above scheme, this structure has anodal opposite first circuit 10 and second circuit 20 of orientation, no matter DC supply or AC supply promptly, all there is first circuit 10 or second circuit 20's wafer 40 to switch on, make LED lamp pearl can be bright always, LED lamp pearl can supply power with interchange or direct current, it can directly set up in arbitrary power supply unit to realize LED lamp pearl, can avoid being punctured owing to insert improper power supply unit with LED lamp pearl, the suitability of the LED lamp pearl of promotion, and can promote LED lamp pearl's life.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a general LED packaging structure of alternating current direct current, includes PCB board and fluorescent screen, the fluorescent screen covers on the light emitting area of PCB board, the PCB board is equipped with anodal and negative pole, a serial communication port, be equipped with a plurality of wafers on the PCB board, a plurality of wafers set up respectively between anodal and negative pole, be equipped with first circuit and second circuit between anodal and the negative pole on the PCB board, the anodal direction of wafer of first circuit is at the negative pole direction of PCB board, the anodal direction of wafer of second circuit is at the anodal direction of PCB board, the anodal direction of wafer on the first circuit is the same, the anodal direction of wafer on the second circuit is the same.

2. The AC-DC universal LED package structure of claim 1, wherein the first circuit and the second circuit have the same number of dies thereon.

3. The package structure of claim 2, wherein the first circuit and the second circuit have a third circuit in communication with each other, the third circuit has a plurality of dies, and the dies of the third circuit have the same positive electrode orientation.

4. The AC-DC universal LED package structure of claim 3, wherein the third circuit has a plurality of parallel circuit structures.