WO2022068122A1

WO2022068122A1 - Light emitting assembly having circuit board-supported led filament, and led filament lamp

Info

Publication number: WO2022068122A1
Application number: PCT/CN2021/072371
Authority: WO
Inventors: 刘银; 李中胜
Original assignee: 深圳市裕富照明有限公司
Priority date: 2020-09-30
Filing date: 2021-01-18
Publication date: 2022-04-07
Also published as: CN112082097A

Abstract

Provided is a light emitting assembly having a circuit board-supported LED filament, and an LED filament lamp. The light emitting assembly having a circuit board-supported LED filament comprises an LED filament and a circuit board (1); the circuit board (1) supports the LED filament; one end of the circuit board (1) is a fixing end (13); the fixing end (13) is used for fixing the circuit board (1); the other end of the circuit board (1) comprises a support member (11); the support member (11) extends along the long axis direction of the circuit board (1); electrodes and notches (111) are provided on the support member (11); the electrodes are provided at the end portions of the notches (111); the LED filament is connected to the electrodes. A circuit of the LED filament is directly turned on by means of the circuit board (1), such that the LED filament emits light. Conventional glass core column sintering processes are replaced while the lighting effect is ensured, the structure is simpler, and it is more economical.

Description

Circuit board supports LED filament light-emitting components and LED filament lamps

technical field

The invention relates to the field of lighting, in particular to a circuit board supporting LED filament light-emitting assembly and an LED filament lamp.

Background technique

With the development of semiconductor technology, it has been found that light-emitting diodes (LED lamps) have high lighting efficiency and long service life. They can usually be used continuously for 100,000 hours, which is 100 times longer than the service life of ordinary incandescent light bulbs. On the other hand, as the global climate continues to warm, various countries and governments have successively issued policies and standards to gradually replace incandescent lamps with high energy consumption and heat dissipation. And light-emitting diodes generate low heat during the light-emitting process. Therefore, light bulbs manufactured by light-emitting diodes have gradually become the mainstay of the lighting industry and have very broad application prospects.

In the traditional process, the filament and the power supply are connected by metal wires, the metal wires are sintered in the glass stem, and the filament is welded on the metal wires to realize the lighting function. On the one hand, the glass core column can be used for sintering metal wires, and on the other hand, the end of the glass core column is provided with an opening, and an inert gas is injected through the glass core column. For lamps with this structure, the production and processing technology of the glass stem is complicated, and the sintered part of the glass stem and the hair foam is easy to crack, and the processing cost is high.

SUMMARY OF THE INVENTION

Based on this, it is necessary to provide a circuit board supporting LED filament light-emitting assembly for the problem of LED filament connection.

A circuit board supports an LED filament light-emitting assembly, comprising an LED filament; a circuit board, the circuit board supports the LED filament, one end of the circuit board is a fixed end, and the fixed end is used to fix the circuit board, so The other end of the circuit board includes a support member, the support member extends along the long axis direction of the circuit board, an electrode and a notch are arranged on the support member, the electrode is arranged at the end of the notch, and the LED A filament connects the electrodes.

Further, a contact end is arranged on the support, the contact end is arranged along the long axis direction of the support, the contact end is arranged at the end of the notch, and the electrode is arranged on the contact end , the LED filament is arranged at the notch.

Further, the number of the support members includes a plurality, the long sides of the plurality of support members are parallel to the long axis of the circuit board, and the short sides of the plurality of support members are parallel to the long axis direction of the circuit board intersect.

Further, the notch is arranged along one long side of the support member, and the long sides of the plurality of support members without the notch are abutted against each other.

Further, the notch is disposed along one long side of the support member, and the long sides of the plurality of support members on which the notch is formed are in contact with each other.

Further, the contact end includes a first contact end and a second contact end, the first contact end is disposed close to the fixed end, the second contact end is disposed away from the fixed end, and the electrode is disposed at the fixed end. on the first contact end and/or the second contact end.

Further, the first contact end and the second contact end have different heights.

Further, the height of the first contact end is higher than the height of the second contact end.

The circuit board provided by the present application supports the LED filament light-emitting assembly, the LED filament is directly connected to the circuit board, one end of the circuit board is fixed, the other end is provided with a support, the support is provided with electrodes and a gap, and the gap is used to provide the installation position of the LED filament, At the same time, an electrode is arranged at the end of the gap, and the LED filament is connected with the electrode, and the circuit of the LED filament is directly connected through the circuit board, so that the LED filament emits light. The LED filament with this structure replaces the traditional glass stem sintering process while ensuring the lighting effect, the structure is simpler, and the cost is more economical.

Further, an LED filament lamp is provided, which includes the above-mentioned circuit board supporting LED filament lighting assembly, and also includes a base and a housing, the base is connected to the housing, and the circuit board supports the LED filament to emit light An assembly is disposed in the base and the housing, and the circuit board is connected to the base.

Further, it also includes a bracket, the constituent material of the bracket includes insulating material, the fixed end is connected to the bracket, and the bracket is connected to the base.

In the LED filament lamp provided by the present application, the base is connected with the housing to form the exterior of the lamp, and the light-emitting component including the circuit board supporting the LED filament is installed therein. The LED filament lamp realized by this solution replaces the problem that the traditional lamp needs to be provided with a glass lamp post, does not need to be filled with inert gas, simplifies the assembly process, and reduces the product cost. The technical solution provided by the present application has the characteristics of simple structure, convenient installation and low cost, and is more convenient for market promotion and application.

Description of drawings

FIG. 1 is a perspective view of the circuit board supporting the LED filament light-emitting assembly according to the first embodiment of the application;

2 is a perspective view of the circuit board supporting the LED filament light-emitting assembly according to the second embodiment of the application;

3 is a perspective view of the circuit board supporting the LED filament light-emitting assembly according to the third embodiment of the application;

4 is a perspective view of the circuit board supporting the LED filament of the LED filament light-emitting assembly according to the first embodiment of the application;

FIG. 5 is a front view of the LED filament lamp according to the first embodiment of the application;

6 is a perspective view of the LED filament lamp according to the first embodiment of the application;

7 is a perspective view of the housing of the LED filament lamp according to the first embodiment of the application;

8 is a perspective view of the base of the LED filament lamp according to the first embodiment of the application;

FIG. 9 is a perspective view of the bracket of the LED filament lamp according to the first embodiment of the application.

Detailed ways

In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Back, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or Elements must have a particular orientation, be constructed and operate in a particular orientation and are therefore not to be construed as limitations of the invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between the two elements, unless otherwise specified limit. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may be in direct contact between the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or an intervening element may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment.

FIG. 1 shows a perspective view of the circuit board supporting the LED filament light-emitting assembly according to the first embodiment of the present application. The long axis direction of the circuit board 1 provided by the present application is the A-A direction shown in FIG. 1 . One end includes a fixed end 13, and the other end includes a support 11, wherein the fixed end 13 is used to install the circuit board 1, and at the same time provides the installation position of the components on the circuit board 1. The specific connection method of the components such as the power supply 12 and the fixed end 13 will be described in detail later. The support member 11 is arranged along the A-A direction, and electrodes (not shown) are arranged thereon, and the LED filament is connected through the electrodes, so as to realize functions such as lighting. Specifically, the support member 11 is arranged in a strip shape, and its long side is along the A-A direction, and its short side intersects with the long axis direction A-A of the circuit board 1 , preferably, the short side is perpendicular to the long axis direction A-A.

Contact ends

112 and 113 are arranged along the A-A direction, a notch 111 is arranged between the contact end 112 and the contact end 113, the notch 111 is arranged along one long side of the support 11, the electrodes are arranged on the contact ends 112 and/or 113, the LED The filament is arranged at the notch 111 and connects the

contact ends

112 and 113 .

Further, in a preferred embodiment, one end of the circuit board 1 includes four support members 11 , and the long sides of the four support members 11 without the notches 111 intersect. Preferably, the four support members 11 meet at the long axis A-A of the circuit board 1 . The contact end 112 is disposed close to the fixed end 13, and the contact end 113 is disposed far from the fixed end 13. By connecting the LED filament to the contact end 112 and the contact end 113, the circuit of the LED filament is connected. In order to present a better lighting effect, the contact end 112 and the contact end 113 have different heights, so that the LED filament can present multiple layouts in the lamp, and different effects can be presented after the light is emitted. After the circuit board 1 is connected to the LED filament, when the height of the contact end 112 is greater than the height of the contact end 113, after the two ends of the LED filament are connected, the end close to the fixed end 13 spreads to the outside; otherwise, the height of the fixed end 112 is less than When the height of the fixed end 113 is set, after the two ends of the LED filament are connected, one end away from the fixed end 13 spreads to the outside. Through the diffusion in different directions, the LED filament can obtain different lighting effects.

It should be noted that, the circuit board 1 described above is provided with four notches 111 in the circumferential direction, and the two ends of the notches 111 have different heights. This structure is only for assembling and matching with the four LED filaments. It does not mean that the number of notches 111 on the circuit board 1 is limited to four, nor does it mean that the four support members 11 must be arranged symmetrically as shown in FIG. The technical requirements of the application are also permitted by this application.

The support member 11 shown in the first embodiment, the short side of which is perpendicular to the long axis A-A direction of the circuit board 1, is only a preferred embodiment, and other forms of connection, such as the intersection of the short side and the long axis A-A, can also meet this requirement. Apply for the technical solutions offered. In addition, the contact ends 112 and 113 are used to connect the LED filament, and the same height can also meet the implementation requirements of the present application. Therefore, the structure and shape of the contact ends 112 and 113 are not limited to those shown in FIG. 1 . Those skilled in the art Supporting members 11 with different combinations can be designed according to actual needs.

FIG. 2 shows a perspective view of the circuit board supporting the LED filament light-emitting assembly according to the second embodiment of the present application. On the basis of FIG. 1 , a support 11 is provided in the second embodiment, and the circuit board 1 is provided along the long axis A-A direction with a The support plate 14, the support member 11 is arranged on the support plate 14, the support member 11 is provided with a contact end 112 and a contact end 113, and a gap 111 is provided between the contact end 112 and the contact end 113. The circuit board 1 shown in the second embodiment can be matched with one LED filament. It should be noted that the orientation of the support member 11 is not limited to the direction shown in FIG. 14. The joint is rotated at any angle for the axis. For other technical features in the second embodiment, reference may be made to the corresponding parts in the first embodiment, which will not be repeated here.

FIG. 3 shows a perspective view of the circuit board supporting the LED filament light-emitting assembly according to the third embodiment of the present application. The difference from the first and second embodiments is that the support 11 is in the shape of a flat plate, and is opened in the support 11 The gap 111, meanwhile, the contact end 112 and the contact end 113 are respectively set along the two ends of the gap 111, the electrodes are respectively arranged at the contact end 112 and the contact end 113, and the LED filament is installed at the gap 111 and connected to the contact ends 112 and 113 . Compared with the first embodiment and the second embodiment, the technical solution shown in the third embodiment is easier to process and manufacture, and it is convenient to reduce the cost. Regarding other features of the contact ends 112 and 113 , reference may be made to the previous description, which will not be described here.

Further, Embodiment 4 of the technical solution of the present application is provided, and Embodiment 4 is conceived on the basis of Embodiment 2 and Embodiment 3, that is, Embodiment 4 includes two support members 11, and each support member 11 is along the long side. A notch 111 is provided in the direction, the ends of the notch 111 are provided with contact ends 112 and 113 , and the long sides of the notch 111 of the two support members 11 intersect together, forming a structure similar to that shown in FIG. 3 . The circuit board 1 obtained in this way can connect two LED filaments at the same time, and the two LED filaments are arranged in parallel.

It should be noted that the electrodes are used to connect the circuit of the LED filament. Preferably, the electrodes include a positive electrode and a negative electrode, and the two electrodes are respectively arranged on the contact ends 112 and 113, that is, the contact ends 112 and 113 can serve as the LED filament. The structural support part of the LED filament can also act as the power connection part of the LED filament. In another embodiment, two electrodes are disposed on the contact end 112 or the contact end 113 at the same time, that is, one contact end is used to provide the electrical connection part of the LED filament, and the other contact end acts as its structural support member. Those skilled in the art can design different combinations according to actual needs.

4 shows a perspective view of the LED filament of the circuit board supporting the LED filament light-emitting assembly according to the first embodiment of the present application. The LED filament 2 is fixed on a glass substrate by a plurality of chips in series, and is then molded and packaged. Preferably, the LED filaments provided in the present application usually use four LED filaments 2, two in series and two in parallel to design a luminous flux of 330-360lm, to replace a 40W incandescent bulb. Preferably, the LED filament 2 is packaged in series with 28 0.02W 1016 LED chips on a glass substrate with a length of 38mm and a diameter of 1.5mm, and then is realized by applying a mold top fluorescent glue. The LED filaments 2 are connected with the four notches 111 on the support member 11 in one-to-one correspondence. A plurality of LED filaments 2 are circumferentially arranged on the support member 11 to form an umbrella-shaped structure. The central axis of the umbrella-shaped structure and the central axis of the support member 11 overlap in the direction. By connecting in this way, the light-emitting surface of the LED filament 2 can be fully expanded on the circuit board 1, so that the entire light source is covered, so as to obtain a better lighting effect. It should be noted that the LED filament 2 can be combined in various ways to achieve lighting while meeting people's aesthetic needs; at the same time, the LED filament 2 can be designed with suitable structures according to different styles to further improve market competitiveness. Technicians can make optimal designs according to actual needs.

FIG. 5 shows the front view of the LED filament lamp according to the first embodiment of the present application, and FIG. 6 shows the perspective view of the LED filament lamp according to the first embodiment of the present application. Combined with FIG. 5 and FIG. Filament lamps, including a circuit board supporting LED filament lighting assembly (not identified), a housing 3, a base 4 and a bracket 5, wherein the circuit board supporting LED filament lighting assembly includes a circuit board 1 and an LED filament 2, and the LED filament 2 is connected to the On the circuit board 1 and fixed on the base 4 through the bracket 5, at the same time, in order to facilitate the transmission of light, the housing 3 is preferably a glass body, the glass body 3 is connected to the base 4, and the light emitted by the LED filament 2 passes through the glass body 3 projected out to form a light source. Compared with the drive incandescent light source, the light source formed by the LED lamp is more environmentally friendly, and is closer to the sunlight, and the lighting effect is better. In the LED filament lamp provided by this application, the glass body 3 can be set in different shapes to meet the aesthetic needs of consumers, and at the same time, it can replace conventional incandescent lamps, conform to the daily habits of consumers, and has better market promotion value. It should be noted that the connection between the glass body 3 and the base 4 is in a non-sealed state, so in the LED filament lamp provided by the present invention, it is not necessary to inject inert gas into the glass body 3, and the LED filament 2 can be used to realize the lighting function, which simplifies the The processing technology is improved, and the production cost is reduced.

For the LED filament lamp provided by the present application, preferably, four LED filaments 2 are selected, and the LED filaments 2 are connected to the ends of the circuit board 1 and evenly distributed on the circuit board 1 in a circumferential direction, so that they can be distributed in a 360-degree distribution on the circuit board 1. into the glass body 3 and emit light. By adopting this structure, the emitted light is more uniform and soft, showing a better lighting effect. In order to better realize the lighting effect, the LED filaments 2 provided in this application are in the shape of columns, and the central axis direction of which intersects with the central axis direction of the circuit board 1 or the glass body 3 . Specifically, the four LED filaments 2 are distributed circumferentially. The center line of the LED filaments overlaps with the center axis of the glass body 3 , and the four LED filaments 2 are distributed in an umbrella shape, and the area of one end surface close to the base 4 is larger than the area of the end surface away from the base 4 . It should be noted that the above arrangement is only a preferred embodiment of the present application, and the number of LED filaments 2 is not limited to the four provided in the present application. Other numbers and structures of LED filaments 2, such as three LED filaments 2 are connected in a triangular manner, which can also meet the technical solutions provided in this application, and those skilled in the art can design lamps of different styles according to actual needs.

In the actual assembly, first connect the LED filament 2 to the circuit board 1, the connection method includes but not limited to welding, then install the circuit board 1 on the bracket 5, and fix the circuit board 1 on the base 4 through the bracket 5 , and finally put into the glass body 3, preferably, the glass body 3 is a light bulb. There is a non-sealed connection between the base 4 and the glass body 3, that is, when the glass body 3 is installed on the base 4, there is no need to perform a sealing process on the interface. By adopting this connection method, the installation process can be simplified, and the production cost can be further saved.

In another embodiment, a ventilation hole is provided at the connection between the glass body 3 and the base 4, and the interior of the glass body 3 is connected to the external environment through the ventilation hole. The ventilation holes exchange heat with the outside world, thereby extending the life of the lamp. It should be noted that the purpose of setting the ventilation holes is that the heat generated by the long-term use of the LED filament lamps can be diffused through the ventilation holes in time, and the structure and size of the ventilation holes have no special requirements, so no further details are required here. Limitation, those skilled in the art can design appropriate ventilation holes according to actual needs.

FIG. 7 shows a perspective view of the housing of the LED filament lamp according to the first embodiment of the present application. One end of the glass body 3 is provided with an interface 31, and the interface 31 is connected to the base 4. Through the cooperation between the interface 31 and the base 4, the glass body 3 and the base The connection method of the seat 4 includes, but is not limited to, screw connection, snap connection, etc., and the LED filament 2 is arranged in this space. It should be noted that the structure, shape, color, etc. of the glass body 3 are not limited to those shown in FIG. 7 , and the skilled person can design a suitable glass body 3 according to actual needs.

8 shows a perspective view of the base of the LED filament lamp according to the first embodiment of the present application, the base 4 is a metal structure, and the outer surface is set with helical patterns. Turn on the light circuit. One end of the base 4 is provided with an interface 41 , and the glass body 3 and the base 4 are combined by connecting the interface 31 on the glass body 3 to the interface 41 on the base 4 .

9 shows a perspective view of the bracket of the LED filament lamp according to the first embodiment of the present application. The outer contour 53 of the bracket 5 is clamped at the interface 41 of the base 4, and the circuit board 1 is fixed by the cooperation of the two. Therefore, , the outline 53 of the outer edge of the bracket 5 needs to be consistent with the interface 41 of the base 4 , including but not limited to the structure shown in FIG. 9 . A slot 51 is provided on the bracket 5, and the slot 51 is convenient for the fixed end 13 on the circuit board 1 to penetrate; a snap ring 52 is arranged on one side of the bracket 5, and the circuit board 1 is clamped by the cooperation of the snap ring 52 and the slot 51. On the bracket 5 , the bracket 5 is then clamped on the base 4 , thereby realizing the fixation of the circuit board 1 . It should be noted that the function of the bracket 5 is to fix the circuit board 1 without affecting the conductive function on the circuit board 1 . Therefore, preferably, the component material of the bracket 5 is an insulating material, including but not limited to plastic.

The traditional incandescent lamp needs to be filled with inert gas for protection and needs to install the filament. Therefore, in order to simplify the process and reduce the cost, a glass stem is designed in the incandescent lamp, and the conductive metal wire is arranged on the glass stem. One end is provided with an opening, the other end is connected with the base, the filament is connected with the wire metal wire on the glass core column, and the inert gas is passed through the opening on the glass core column. With the technical solution provided in this application, the LED filament 2 is directly connected to the circuit board 1, and no inert gas needs to be introduced. Therefore, there is no need to add a glass stem in the structural design of the lamp, which greatly simplifies the manufacturing process and reduces the production cost.

In the LED filament lamp provided by the present application, the base is connected with the housing to form the exterior of the lamp, and the light-emitting component including the circuit board supporting the LED filament is installed therein. The LED filament lamp realized by this solution replaces the problem that the traditional lamp needs to be provided with a glass lamp post, does not need to be filled with inert gas, simplifies the assembly process, and reduces the product cost. The technical solution provided by the present application has the characteristics of simple structure, convenient installation and low cost, and is more convenient for market promotion and application. The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims

A circuit board supporting LED filament light-emitting assembly, characterized by comprising:

LED filament;

A circuit board, the circuit board supports the LED filament, one end of the circuit board is a fixed end, the fixed end is used to fix the circuit board, the other end of the circuit board includes a support, the support Extending along the long axis direction of the circuit board, electrodes and notches are arranged on the support, the electrodes are arranged at the ends of the notches, and the LED filament is connected to the electrodes.
The circuit board supporting LED filament lighting assembly according to claim 1, wherein a contact end is provided on the support member, the contact end is provided along the long axis direction of the support member, and the contact end is provided at the At the end of the notch, the electrode is arranged on the contact end, and the LED filament is arranged at the notch.
The LED filament lighting assembly supported by a circuit board according to claim 2, wherein the number of the support members includes a plurality, the long sides of the plurality of support members are parallel to the long axis of the circuit board, and the The short sides of the plurality of support members intersect with the long axis direction of the circuit board.
The circuit board supporting LED filament lighting assembly according to claim 3, wherein the notch is arranged along one long side of the support member, and the long sides of the plurality of support members without the notch are abutted against each other catch.
The circuit board supporting LED filament lighting assembly according to claim 3, wherein the notch is arranged along one long side of the supporting member, and the long sides of the plurality of supporting members on which the notches are formed are in contact with each other .
The circuit board supporting LED filament lighting assembly according to any one of claims 2-5, wherein the contact end comprises a first contact end and a second contact end, and the first contact end is close to the fixing The second contact end is disposed away from the fixed end, and the electrode is disposed on the first contact end and/or the second contact end.
The circuit board supporting LED filament lighting assembly according to claim 6, wherein the first contact end and the second contact end have different heights.
The circuit board supporting LED filament lighting assembly according to claim 7, wherein the height of the first contact end is higher than the height of the second contact end.
An LED filament lamp, comprising the circuit board supporting LED filament lighting assembly according to any one of claims 1-8, characterized in that it further comprises a base and a casing, the base is connected to the casing, The circuit board supporting LED filament light-emitting assembly is disposed in the base and the housing, and the circuit board is connected to the base.
The LED filament lamp according to claim 9, further comprising a bracket, the constituent material of the bracket includes an insulating material, the fixed end is connected to the bracket, and the bracket is connected to the base.