CN219243370U

CN219243370U - LED filament and filament lamp

Info

Publication number: CN219243370U
Application number: CN202320084269.7U
Authority: CN
Inventors: 朱颖颀
Original assignee: Zhejiang Inteled Optoeletronic Technology Co ltd
Current assignee: Zhejiang Inteled Optoeletronic Technology Co ltd
Priority date: 2023-01-29
Filing date: 2023-01-29
Publication date: 2023-06-23
Anticipated expiration: 2033-01-29

Abstract

The LED lamp filament and the lamp filament lamp relate to the technical field of luminous lamp filaments, and comprise a lamp filament substrate and lamp filament pins, wherein the lamp filament substrate is connected with the lamp filament pins; the lamp filament substrate is provided with a light emitting chip set, the light emitting chip set is provided with more than one group, the positive electrode of one group of light emitting chip set and the negative electrode of the other group of light emitting chip set are connected on the same lamp filament pin, and the negative electrode of the one group of light emitting chip set and the positive electrode of the other group of light emitting chip set are also connected on the other lamp filament pin. The LED filament can realize the bright and dark switching of the luminous chip set by switching the anode and the cathode of the power supply.

Description

LED filament and filament lamp

Technical Field

The utility model relates to the technical field of luminous filaments, in particular to an LED filament and a filament lamp.

Background

Chinese patent CN202222180689.3 discloses a multicolor LED filament and bulb, and includes a bracket, where the bracket includes a plate body and pins connected to two ends of the plate body; the LED chip group comprises a plurality of LED chips which are connected through wires in sequence, and two ends of the LED chip group are also connected to the pins on two sides through wires respectively.

However, the LED chip sets of the LED filaments need to be controlled by connecting pins respectively, and the manufacturing process is complex and the manufacturing cost is high.

There is a need to develop LED filaments and filament lamps to solve the problems of the prior art.

Disclosure of Invention

The utility model aims to provide an LED filament and a filament lamp, which solve the problem that a plurality of LED chip sets proposed in the background technology need to be respectively connected with different pins for control by connecting the positive electrode of one group of light-emitting chip sets and the negative electrode of the other group of light-emitting chip sets on the same filament pin and connecting the negative electrode of the one group of light-emitting chip sets and the positive electrode of the other group of light-emitting chip sets on the other filament pin.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the LED lamp filament comprises a lamp filament substrate and lamp filament pins, wherein the lamp filament substrate is connected with the lamp filament pins; the lamp filament substrate is provided with a light emitting chip set, the light emitting chip set is provided with more than one group, the positive electrode of one group of light emitting chip set and the negative electrode of the other group of light emitting chip set are connected on the same lamp filament pin, and the negative electrode of the one group of light emitting chip set and the positive electrode of the other group of light emitting chip set are also connected on the other lamp filament pin.

Further, the filament pin includes left end pin and right-hand member pin, left end pin is provided with one at least, right-hand member pin also is provided with one at least.

Further, the light emitting chip set comprises a first chip set and a second chip set, wherein the anode of the first chip set and the cathode of the second chip set are electrically connected with the same filament pin, and the cathode of the first chip set and the anode of the second chip set are electrically connected with another filament pin.

Further, the front surface of the filament substrate is covered with a fluorescent glue layer, and the fluorescent glue layer covers the first chip set and the second chip set.

The LED lamp further comprises a third chip set, wherein the positive electrode of the third chip set and the positive electrode of the first chip set are connected to the same filament pin, and the negative electrode of the third chip set and the negative electrode of the first chip set are connected to the same filament pin; or, the positive electrode of the third chip set and the positive electrode of the second chip set are connected on the same filament pin, and the negative electrode of the third chip set and the negative electrode of the second chip set are connected on the same filament pin.

Further, the fluorescent glue layer comprises a first glue layer, a second glue layer and a third glue layer, wherein the first glue layer is covered on the first chip set, the second glue layer is covered on the second chip set, and the third glue layer is covered on the third chip set.

Further, the LED lamp further comprises a third chip set, wherein the positive electrode or the negative electrode of the third chip set is not connected with the first chip set or the second chip set on the same filament pin.

Further, the fluorescent glue layer comprises a first glue layer, a second glue layer and a third glue layer, wherein the first glue layer is covered on the first chip set, the second glue layer is covered on the second chip set and the first glue layer, and the third glue layer is covered on the third chip set and the second glue layer.

Further, the back of the filament substrate is covered with a fluorescent glue layer.

The filament lamp comprises the LED filament.

Compared with the prior art, the utility model has the beneficial effects that: the positive electrode of one group of light-emitting chip sets and the negative electrode of the other group of light-emitting chip sets are connected to the same filament pin, and the negative electrode of the one group of light-emitting chip sets and the positive electrode of the other group of light-emitting chip sets are also connected to the other filament pin, so that a user can switch the brightness of different chip sets by switching the positive electrode and the negative electrode of a power supply. And different light-emitting chip sets are connected on the same pin, so that the utilization rate of space on the substrate can be improved, the width of the substrate is convenient to reduce, the manufacturing cost is saved, and the light effect is optimized.

Other features and advantages of the present utility model will be disclosed in the following detailed description of the utility model and the accompanying drawings.

Drawings

FIG. 1 is a schematic view of a first construction of the present utility model;

FIG. 2 is a second construction schematic of the present utility model;

FIG. 3 is a third construction schematic of the present utility model;

FIG. 4 is a cross-sectional view of a first construction of the present utility model;

FIG. 5 is a cross-sectional view of a third construction of the present utility model;

fig. 6 is a cross-sectional view of a fourth construction of the present utility model.

The figure indicates: 1. a filament substrate; 21. a first chipset; 22. a second chipset; 23. a third chip set; 3. a wire; 4. a left end pin; 5. a right end pin; 6. a first adhesive layer; 7. a second adhesive layer; 8. a back adhesive layer; 9. and a third adhesive layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The LED lamp filament comprises a lamp filament substrate 1 and lamp filament pins, wherein the lamp filament substrate 1 is connected with the lamp filament pins as shown in fig. 1 to 6; the filament substrate 1 is provided with a light emitting chip set, the light emitting chip set is provided with more than one group, the positive electrode of at least one group of light emitting chip sets and the negative electrode of another group of light emitting chip sets are connected on the same filament pin, and the negative electrode of one group of light emitting chip sets and the positive electrode of the other group of light emitting chip sets are also connected on the other filament pin.

That is, as shown in fig. 1 and 2, the light emitting chipset includes at least a first chipset 21 and a second chipset 22, wherein the anode of the first chipset 21 and the cathode of the second chipset 22 are both connected to the same filament pin, and the cathode of the first chipset 21 and the anode of the second chipset 22 are both connected to another filament pin. The first chipset 21 may be the same as or different from the second chipset 22. Optionally, the color temperature of the first chipset 21 is the same as or different from that of the second chipset 22.

The first chip set 21 is provided with at least one set, and the second chip set 22 is also provided with at least one set.

The filament pin includes left end pin 4 and right-hand member pin 5, left end pin 4 is connected with the left end of filament base plate 1, right-hand member pin 5 with the right-hand member of filament pin is connected. The left end pin 4 is provided with at least one, and the right end pin 5 is also provided with at least one.

Optionally, the positive electrode of the first chipset 21 and the negative electrode of the second chipset 22 are connected to the same left-end pin 4, and the negative electrode of the first chipset 21 and the positive electrode of the second chipset 22 are connected to the same right-end pin 5; or the positive electrode of the first chipset 21 and the negative electrode of the second chipset 22 are connected on the same right-end pin 5, the negative electrode of the first chipset 21 and the positive electrode of the second chipset 22 are connected on the same left-end pin 4, or the positive electrode of the first chipset 21 and the negative electrode of the second chipset 22 are connected on the same left-end pin 4, and the negative electrode of the first chipset 21 and the positive electrode of the second chipset 22 are both connected on the other left-end pin 4; or the positive pole of the first chip set 21 and the negative pole of the second chip set 22 are connected to the same right-end pin 5, and the negative pole of the first chip set 21 and the positive pole of the second chip set 22 are both connected to the other right-end pin 5.

Alternatively, the single-group light-emitting chip set is composed of a plurality of LED chips, and adjacent LED chips are electrically connected through the wires 3. The wire 3 is preferably a metal wire 3.

The left end of the light-emitting chip set is connected with the left end pin 4 through a lead 3, and the right end of the light-emitting chip set is connected with the right end pin 5 through the lead 3.

As shown in fig. 3, the light emitting chipset further includes a third chipset 23, where at least one third chipset 23 is provided, and optionally, the positive electrode or the negative electrode of the third chipset 23 is not connected to the same filament pin as the first chipset 21 or the second chipset 22.

The front surface of the filament substrate 1 is covered with a fluorescent glue layer, optionally, the back surface of the filament substrate 1 is also covered with a back surface glue layer 8, and the back surface glue layer 8 is also a fluorescent glue layer. Optionally, the fluorescent glue layer comprises a transparent glue layer. The fluorescent glue layer covers the light-emitting chip set.

Preferably, as shown in fig. 4, the first chipset 21 is covered with a first adhesive layer 6, and the second chipset 22 is covered with a second adhesive layer 7. Optionally, as shown in fig. 5, the second adhesive layer 7 is covered on the first adhesive layer 6.

Optionally, the fluorescent glue layer further comprises a third glue layer 9, and the third glue layer 9 is covered on the third chip set 23, and optionally, as shown in fig. 6, the third glue layer 9 is covered on the second glue layer 7.

Alternatively, when the second chipset 22 is provided with two, the second chipset 22 is equidistant from the adjacent first chipset 21, and when the second chipset 22 and the third chipset 23 are both provided with two, the third chipset 23 is equidistant from the second chipset 22 adjacent on the same side, and the third chipset 23 is equidistant from the adjacent first chipset 21.

The filament lamp comprises the LED filament. Optionally, the LED filament is connected with a power supply anode-cathode switching device. The power supply anode-cathode switching device is a power supply anode-cathode switching switch disclosed in China patent CN201721101265.6 in the prior art.

The utility model provides an LED filament and a filament lamp, which have simple structure, convenient use and high reliability.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

The LED lamp filament is characterized by comprising a lamp filament substrate and lamp filament pins, wherein the lamp filament substrate is connected with the lamp filament pins; the lamp filament substrate is provided with a light emitting chip set, the light emitting chip set is provided with more than one group, the positive electrode of one group of light emitting chip set and the negative electrode of the other group of light emitting chip set are connected on the same lamp filament pin, and the negative electrode of the one group of light emitting chip set and the positive electrode of the other group of light emitting chip set are also connected on the other lamp filament pin.
2. The LED filament of claim 1, wherein the filament pins comprise a left end pin and a right end pin, the left end pin being provided with at least one, the right end pin being also provided with at least one.
3. The LED filament of claim 2, wherein the light emitting chipset comprises a first chipset and a second chipset, wherein the anode of the first chipset and the cathode of the second chipset are both electrically connected to the same filament pin, and wherein the cathode of the first chipset and the anode of the second chipset are both electrically connected to another filament pin.
4. The LED filament of claim 3, wherein the front side of the filament substrate is covered with a phosphor glue layer, the phosphor glue layer covering the first and second chip sets.
5. The LED filament of claim 4, further comprising a third chipset, wherein the anode of the third chipset is connected to the same filament pin as the anode of the first chipset, and the cathode of the third chipset is connected to the same filament pin as the cathode of the first chipset; or, the positive electrode of the third chip set and the positive electrode of the second chip set are connected on the same filament pin, and the negative electrode of the third chip set and the negative electrode of the second chip set are connected on the same filament pin.
6. The LED filament of claim 5, wherein the phosphor glue layer comprises a first glue layer overlying the first chipset, a second glue layer overlying the second chipset, and a third glue layer overlying the third chipset.
7. The LED filament of claim 4, further comprising a third chipset, wherein the positive or negative electrode of the third chipset is not connected to the same filament pin as the first chipset or the second chipset.
8. The LED filament of claim 7, wherein the phosphor glue layer comprises a first glue layer overlying the first chipset, a second glue layer overlying the second chipset and the first glue layer, and a third glue layer overlying the third chipset and the second glue layer.
9. The LED filament of any of claims 1-8, wherein the back side of the filament substrate is covered with a phosphor glue layer.
10. Filament lamp, characterized in that it comprises an LED filament according to any one of claims 1-9.