CN217387201U

CN217387201U - Filament and bulb

Info

Publication number: CN217387201U
Application number: CN202221062479.8U
Authority: CN
Inventors: 林成通; 朱颖颀; 楼杨旦; 朱晓
Original assignee: Zhejiang Inteled Optoeletronic Technology Co ltd
Current assignee: Zhejiang Inteled Optoeletronic Technology Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-09-06
Anticipated expiration: 2032-05-06

Abstract

The utility model relates to a filament and bulb in the light-emitting device technical field, including the base plate, be provided with a plurality of groups base plate luminescence unit on the base plate, and a plurality of base plate luminescence unit interval arrangement sets up, and adjacent base plate luminescence unit passes through wire series connection or parallel connection, and the both ends of base plate all are provided with pin light-emitting component, and pin light-emitting component is connected with base plate luminescence unit electricity, has simple manufacture's advantage, when having broken through current LED filament and using, because the inhomogeneous bottleneck of luminous effect that pin department does not give out light and arouse.

Description

Filament and bulb

Technical Field

The utility model relates to a light emitting equipment technical field, concretely relates to filament and bulb.

Background

Current LED filament is when the preparation, will send out light chip and install on the base plate usually, then realize being connected of filament and stem or filament and filament through setting up the pin at the both ends of base plate, nevertheless because when two filaments are connected, the pin on two filaments is luminous not for the filament can appear obvious luminous area between filament and the filament when using, influences luminous degree of consistency, still can produce the facula simultaneously, reduces user's experience and feels.

Disclosure of Invention

The utility model discloses shortcoming to among the prior art provides a filament and bulb, has simple manufacture's advantage, when having broken through current LED filament and using, because pin department is luminous the inhomogeneous bottleneck of luminous effect that arouses.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the lamp filament comprises a substrate, wherein a plurality of groups of substrate light-emitting units are arranged on the substrate, the substrate light-emitting units are arranged along the substrate, the substrate light-emitting units are adjacent to each other and are connected in series or in parallel through wires, pin light-emitting assemblies are arranged at two ends of the substrate, and the pin light-emitting assemblies are electrically connected with the substrate light-emitting units.

Optionally, the pin light-emitting assembly includes an electrode pin and more than one group of pin light-emitting units, the electrode pin includes a substrate attaching portion and a connecting portion, the substrate attaching portion and the substrate light-emitting units are disposed on the same end face of the substrate, and the more than one group of pin light-emitting units are mounted on the substrate attaching portion and are adjacent to each other in series or parallel connection through a wire.

Optionally, the pin light-emitting component includes an electrode pin and more than one group of pin light-emitting units, the electrode pin includes a substrate attaching portion and a connecting portion, the substrate attaching portion is disposed on the substrate, the substrate attaching portion and the substrate light-emitting units are respectively located on two parallel end faces of the substrate, the pin light-emitting units are mounted on the substrate and more than one group of pin light-emitting units and substrate attaching portions are disposed in the same vertical direction, and are adjacent to each other.

Optionally, the pin light-emitting unit includes any one or more of a red light source, a blue light source, a green light source, and a white light source.

Optionally, the red light source, the blue light source, the green light source or the white light source is coated with fluorescent glue.

Optionally, the substrate light emitting unit includes any one or more of a red light source, a blue light source, a green light source, and a white light source.

Optionally, fluorescent glue is arranged on the red light source, the blue light source, the green light source or the white light source.

A bulb comprises a filament, a core column, a lamp holder and a light-transmitting lampshade, wherein the core column is installed on the lamp holder, the lamp holder is installed on the light-transmitting lampshade, the filament is connected through a connecting part and is fixedly installed on the core column.

Optionally, the connecting parts of each two groups of filaments are fixedly connected or rotatably connected.

Optionally, an included angle formed by the two connected groups of filaments is greater than 0 °.

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

by arranging the pin light-emitting unit on the substrate, for a single filament, the area of the whole substrate can be effectively utilized, the light-emitting area of the maximum area of the filament is realized, and the light-emitting effect is improved; for the combination of a plurality of filaments, the joint between the filaments does not have a large dark space, so that the whole luminous effect is more uniform, and meanwhile, the processing technology is simple without increasing the processing procedures.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a top view of a structure of a filament according to an embodiment of the present invention;

fig. 2 is a front view of a structure of a filament according to the first embodiment;

fig. 3 is a top view of the two filaments of the present embodiment when connected;

fig. 4 is a front view of the two filaments of the present embodiment when connected;

fig. 5 is a top view of a structure of a filament according to the second embodiment;

fig. 6 is a front view of a structure of a filament according to the second embodiment;

fig. 7 is a structural diagram of the connection between the filaments according to the third embodiment by fixed welding;

FIG. 8 is a structural view of the filament in the third embodiment, which is connected by a rivet;

fig. 9 is a structural diagram of a bulb according to the third embodiment.

Reference numerals: 1. a substrate; 2. a substrate light emitting unit; 3. an electrode pin; 4. a pin light emitting unit; 5. a substrate bonding section; 6. a connecting portion; 7. fixing the pins; 8. a filament; 9. a stem; 10. a lamp socket; 11. light-transmitting lamp shade.

Detailed Description

The present invention will be described in further detail with reference to the following examples, which are illustrative of the present invention and are not intended to limit the present invention.

Example one

As shown in fig. 1 and 2, a filament includes a substrate 1, a plurality of groups of substrate light-emitting units 2 are arranged on the substrate 1, and the plurality of substrate light-emitting units 2 are arranged along the substrate 1, the distance between each group of substrate light-emitting units 2 is set to be the same, and specifically can be set according to the length and thickness of the substrate 1, the adjacent substrate light-emitting units 2 are connected in series or in parallel through wires, pin light-emitting components are arranged at both ends of the substrate 1, and the pin light-emitting components are electrically connected with the substrate light-emitting units 2.

Wherein, base plate 1 can be the flexography, also can be for the rigid plate, and ceramic, glass, sapphire etc. can be chooseed for use to the material of rigid plate, and pin light-emitting component is used for linking to each other with other filaments or the positive negative pole of being connected the power to realize the luminous effect of filament.

The pin light-emitting component comprises an electrode pin 3 and more than one group of pin light-emitting units 4, the electrode pin 3 comprises a substrate attaching part 5 and a connecting part 6, the substrate attaching part 5 and the substrate light-emitting units 2 are arranged on the same end face of the substrate 1, the more than one group of pin light-emitting units 4 are arranged on the substrate attaching part 5, and the adjacent pin light-emitting units 4 are connected in series or in parallel through wires.

The electrode pins 3 are made of conductive material, when installing, a worker firstly fixes the substrate light-emitting units 2 on the substrate 1 in sequence, and connects each substrate light-emitting unit 2 with a circuit through a conducting wire, and defines the end surface of the substrate 1 where the substrate light-emitting unit 2 is located as the front surface, then the electrode pins 3 are fastened and fixed on the substrate 1 through the fixing pins 7 on the substrate bonding part 5, so as to fix the electrode pins 3 on the substrate 1, in this embodiment, because the substrate bonding part 5 of the electrode pins 3 and the substrate light-emitting units 2 are both arranged on the front surface of the substrate 1, the pin light-emitting units 4 are required to be installed on the substrate bonding part 5 of the electrode pins 3, but the number of the pin light-emitting units 4 installed on the substrate bonding part 5 is not limited, and can be set according to actual requirements, and then the pin light-emitting units 4 are connected with the substrate light-emitting units 2 through conducting wires, the pin light-emitting unit 4 is insulated from the electrode pin 3, and is electrically connected to the electrode pin 3 through a wire, and meanwhile, the connection part 6 of the electrode pin 3 is used for connecting the positive electrode and the negative electrode of a power supply or connecting the connection part 6 of other filaments.

Accomplish the connection back of pin luminescence unit 4, make after the filament circular telegram, the user can see that whole base plate 1 all presents luminous effect, thereby effectively utilize the area of base plate 1 to realize great luminous effect, and luminous effect is more even, and as shown in fig. 3 and fig. 4, when two filaments are connected and use, the dark space of junction between filament and the filament shortens to the distance of the 6 length of connecting portion on the pin only by the distance of the pin of two filaments, the length of dark space has been shortened, make holistic luminous effect more even.

The pin light-emitting unit 4 comprises any one or more of a red light source, a blue light source, a green light source and a white light source, the substrate light-emitting unit 2 comprises any one or more of a red light source, a blue light source, a green light source and a white light source, and fluorescent glue is coated on the pin light-emitting unit 4 and the red light source, the blue light source, the green light source and the white light source arranged on the substrate light-emitting unit 2.

For the filament, because the demands of users are different, some consumers need the filament of monochromatic light, and some consumers need the filament of colored light, so to meet the market demand, the light sources in the pin light-emitting unit 4 and the substrate light-emitting unit 2 may be monochromatic light sources, or may be multicolor light sources, for example, only red light sources may be set in the pin light-emitting unit 4 and the substrate light-emitting unit 2, or red, green, blue, and white light sources may be set, and may be specifically set according to the actual demand; on the other hand, in order to prolong the service life of the filament, the staff still need to coat the fluorescent glue on the pin light-emitting unit 4 and the substrate light-emitting unit 2, and the fluorescent glue can better exert the light-emitting effect of the filament while playing a role in protecting the light-emitting source.

Example two

As shown in fig. 5 and fig. 6, the pin light-emitting assembly includes an electrode pin 3 and more than one group of pin light-emitting units 4, the electrode pin 3 includes a substrate attaching portion 5 and a connecting portion 6, the first embodiment is different from the first embodiment in that the substrate attaching portion 5 is disposed on the substrate 1, the substrate attaching portion 5 and the substrate light-emitting units 2 are respectively disposed on two parallel end surfaces of the substrate 1, more than one group of pin light-emitting units 4 are mounted on the substrate 1, and more than one group of pin light-emitting units 4 and the substrate attaching portion 5 are disposed in the same vertical direction, and adjacent pin light-emitting units 4 are connected in series or in parallel through a wire.

Specifically, still taking one end face of the substrate light-emitting unit 2 on the substrate 1 as the front face, in this embodiment, the substrate attaching part 5 of the electrode pin 3 is installed on the back face of the substrate 1, at this time, since only the fixed pin 7 of the substrate attaching part 5 is in contact with the front face of the substrate 1, and the area of the contact part is small, in order to make the light-emitting surface of the filament consistent, the pin light-emitting unit 4 needs to be installed on the front face of the substrate 1, at this time, the pin light-emitting unit 4 is installed at the basic position which is directly under the substrate attaching part 5, and the pin light-emitting unit 4 and the substrate light-emitting unit 2 are connected through the same wire, at this time, the connection of the pin light-emitting unit 4 and the electrode pin 3 is connected to the fixed pin 7 of the substrate attaching part 5 through the wire, so that, even if the electrode pin 3 and the substrate light-emitting unit 2 are not on the same end face of the substrate 1, still enables a better luminous efficiency on the filament.

EXAMPLE III

As shown in fig. 9, a bulb includes more than one set of filament 8, stem 9, lamp holder 10 and light-transmitting lampshade 11, the stem 9 is installed on the lamp holder 10, the lamp holder 10 is installed on the light-transmitting lampshade 11, more than one set of filament 8 is connected through the connecting part 6 and is fixedly installed on the stem 9, the connecting part 6 of each two sets of filament 8 is fixedly or rotatably connected, and the included angle formed by the two connected sets of filament 8 is greater than 0 °.

The filament 8 described in this embodiment is a filament structure disclosed in the first embodiment or the second embodiment, and the multiple filaments 8 may be connected in series or in parallel, and the connection portions 6 of the filaments 8 are bent as required, so that all the filaments 8 are combined into various spatial shapes in a manner of bending the connection portions 6 of the multiple filaments 8, so that the bulb presents different light-emitting shapes, it should be noted that after bending, an angle formed between the two filaments 8 is not 0 ° so as to prevent the filaments 8 from being broken due to excessive bending and damaging the filaments 8.

On the other hand, as shown in fig. 7, when the connection portion 6 between the filament 8 and the filament 8 is connected, the connection portion may be connected by a fixed welding method, at this time, the bending of the filament 8 and the filament 8 may realize longitudinal angle bending, and in addition, as shown in fig. 8, the connection portion 6 between the filament 8 and the filament 8 may also be connected by a rivet hinge method, so that the filament 8 and the filament 8 may realize bending in the horizontal direction, and the rivet hinge method does not generate bending damage to the connection portion 6 of the filament 8, and it should be noted that the riveting method needs to be applicable without affecting the condition of conductive connection between the filament 8 and the filament 8.

In addition, it should be noted that the specific embodiments described in the present specification may be different in terms of the parts, the shapes of the components, the names of the components, and the like. All equivalent or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The lamp filament is characterized by comprising a substrate, wherein a plurality of groups of substrate light-emitting units are arranged on the substrate, the substrate light-emitting units are arranged along the substrate, the substrate light-emitting units are adjacent to each other and are connected in series or in parallel through wires, pin light-emitting assemblies are arranged at two ends of the substrate, and the pin light-emitting assemblies are electrically connected with the substrate light-emitting units.

2. The filament according to claim 1, wherein the pin light emitting assembly comprises an electrode pin and more than one group of pin light emitting units, the electrode pin comprises a substrate attaching part and a connecting part, the substrate attaching part and the substrate light emitting units are arranged on the same end face of the substrate, more than one group of pin light emitting units are arranged on the substrate attaching part, and the adjacent pin light emitting units are connected in series or in parallel through a wire.

3. The filament according to claim 1, wherein the pin light-emitting assembly comprises an electrode pin and more than one group of pin light-emitting units, the electrode pin comprises a substrate attaching part and a connecting part, the substrate attaching part is arranged on the substrate, the substrate attaching part and the substrate light-emitting units are respectively arranged on two parallel end surfaces of the substrate, more than one group of pin light-emitting units are arranged on the substrate, more than one group of pin light-emitting units and the substrate attaching part are arranged in the same vertical direction, and adjacent pin light-emitting units are connected in series or in parallel through a wire.

4. A filament according to any one of claims 2 or 3, wherein the pin light emitting unit comprises any one or more of a red light source, a blue light source, a green light source and a white light source.

5. The filament according to claim 4, wherein the red light source, the blue light source, the green light source or the white light source is provided with a fluorescent glue.

6. The filament according to claim 1, wherein the substrate light emitting unit comprises any one or more of a red light source, a blue light source, a green light source and a white light source.

7. The filament of claim 6, wherein a fluorescent glue is disposed on the red light source, the blue light source, the green light source or the white light source.

8. A lamp bulb, comprising one or more sets of the lamp filament, the stem, the lamp holder and the light-transmitting lampshade of any one of claims 1 to 7, wherein the stem is mounted on the lamp holder, the lamp holder is mounted on the light-transmitting lampshade, and the one or more sets of the lamp filament are connected through a connecting part and fixedly mounted on the stem.

9. A light bulb as claimed in claim 8, characterized in that the connections of each two groups of filaments are fixedly or rotatably connected.

10. A lamp as claimed in claim 8, wherein the angle between the two connected sets of filaments is greater than 0 °.