CN209688553U - LED lamp tube - Google Patents

Abstract

An LED lamp tube (1) comprises a glass tube body (11); two lamp caps (12) which are sleeved at the two ends of the glass tube body; the driving power supply comprises a first power supply board (131) and a second power supply board (132), and the first power supply board and the second power supply board are respectively accommodated in the two lamp holders; the LED lamp panel (14) is fixedly arranged on the inner wall of the glass tube body; and two groups of conductive pins (15) respectively penetrate through the two lamp holders. This LED fluorescent tube has adopted and has arranged first power strip and second power strip in two lamp holders, through first power strip and the work of second power strip drive LED lamp plate for the volume of lamp holder is reduced and the installation operation of LED fluorescent tube is safer, simultaneously, owing to adopted the body of glass material, make the body be difficult to warp because of receiving the high temperature, thereby the body of having solved the LED fluorescent tube receives the high temperature to take place easily to warp, the lamp holder is bulky and take place the dangerous problem of electric leakage easily in the installation use.

Description

LED tube

technical field

The present application belongs to the technical field of lighting lamps, and more particularly, relates to an LED lamp tube.

Background technique

LED (Light Emitting Diode, light-emitting diode) lighting fixtures have significant advantages such as energy saving and long life. With the development of LED semiconductor technology, LED tubes will replace traditional gas discharge fluorescent tubes.

At present, there are many kinds of LED tube products on the market, but in general, the tube body of LED tube mainly has two mainstream structures, one is aluminum profile plus PC (Polycarbonate, polycarbonate) cover, the other is PC all-plastic tube body. The former tube body is mainly composed of upper and lower parts, the lower part is a semi-circular aluminum profile for heat dissipation, the LED light board is fixed on the aluminum profile, and the upper part is a semi-circular light-transmitting PC cover. About 180 degrees, the light-emitting angle is small, and the metal part is prone to leakage danger during installation and use. In order to solve the leakage danger, a safety switch will be installed in the lamp head part. However, the addition of a safety switch leads to the complex internal structure of the lamp head, the increase of the lamp head, and the increase of the lamp head. The production cost of the tube increases; the latter lamp body is mainly composed of a PC extruded long tube. In the actual use process, due to the heat of the lamp tube, the tube body will be deformed and bent. The longer the lamp tube length, the more obvious the bending. certain security risks.

Utility model content

The purpose of this application is to provide an LED lamp tube, which aims to solve the technical problems in the prior art that the tube body of the LED lamp tube is easily deformed by high temperature, the lamp cap is bulky, and the danger of electric leakage is easy to occur during installation and use.

In order to achieve the above purpose, the technical solution adopted in this application is to provide an LED lamp tube, including:

glass body;

Two lamp caps are provided with accommodating grooves, the second lamp caps are sleeved on both ends of the glass tube body and are enclosed with the glass tube body to form an accommodating cavity, the accommodating groove and the accommodating cavity connected;

a driving power supply, including a first power supply board and a second power supply board, the first power supply board and the second power supply board are respectively accommodated in the two accommodating slots;

The LED light board is accommodated in the accommodating cavity and fixed on the inner wall of the glass tube body, and the LED light board is electrically connected to the first power board and the second power board; and

Two groups of conductive pins pass through the two lamp caps respectively, wherein one group of the conductive pins is connected to the first power board, and the other group of the conductive pins is connected to the second power board .

Further, the first power board is provided with a relay electrically connected with the LED light board and the conductive pins.

Further, a first ventilation hole communicated with the accommodating groove is opened on the lamp cap.

Further, the LED light tube also includes:

Two heat-dissipating colloids are accommodated in the accommodating groove, and the two heat-dissipating colloids are respectively filled in the gap between the first power board and the inner wall of the lamp holder and the second power board and the inner wall of the lamp holder. gap between.

Further, a second ventilation hole communicated with the accommodating cavity and the first ventilation hole is opened on the heat dissipation colloid.

Further, a heat dissipation glue layer is filled between the bottom surface of the LED lamp board and the inner wall of the glass tube body.

Further, the LED light tube also includes:

Two flexible connecting boards are accommodated in the accommodating cavity, one end of the two flexible connecting boards is respectively connected with two ends of the LED light board, and the other ends of the two flexible connecting boards are respectively connected with the first One end of the power board is connected to one end of the second power board.

Further, pin terminals are provided on the first power board and the second power board, and the first power board and the second power board are connected to the flexible connection board through the pin terminals.

Further, a diffusion film is attached to the inner wall of the glass tube body.

Further, the end face of the lamp holder is provided with a conductive pin sleeved on one end of the conductive pin.

The beneficial effects of the LED lamp provided by the present application are as follows: the traditional driving power supply is designed and processed into a first power supply board and a second power supply board, and the first power supply board and the second power supply board are respectively arranged on two sides of the glass tube body. In the lamp head at the end, the first power board and the second power board drive the LED light board to work, so that the volume of the lamp head is reduced and the installation and operation of the LED lamp tube is safer. It is easy to be deformed due to high temperature, thus effectively solving the technical problems that the tube body of the LED tube is easily deformed by high temperature, the lamp head is bulky, and the danger of leakage during installation and use is easy to occur, and the miniaturization of the LED tube is realized. The production cost of the LED tube is reduced, and the safety and reliability of the LED tube is improved.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present application. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

FIG. 1 is an exploded schematic diagram of an LED lamp tube provided by an embodiment of the present application;

FIG. 2 is an exploded and enlarged schematic diagram of one end of an LED lamp tube provided by an embodiment of the present application;

3 is a schematic cross-sectional view of one end of the LED lamp tube provided by the embodiment of the present application;

4 is a schematic cross-sectional view of a lamp cap in an LED lamp tube provided by an embodiment of the present application;

5 is a schematic diagram 1 of the glue injection step in the LED lamp assembly method provided by the embodiment of the present application;

FIG. 6 is a second schematic diagram of the glue injection step in the LED lamp assembly method provided by the embodiment of the present application;

FIG. 7 is a flowchart of a method for assembling an LED lamp tube provided by an embodiment of the present application.

Among them, each reference sign in the figure:

1—LED lamp tube, 2—plastic injection fixture, 11—glass tube body, 12—lamp holder, 14—LED lamp board, 15—conductive pin, 16—cooling colloid, 17—cooling adhesive layer, 18—flexible connection parts, 19—diffusion film, 110—accommodating cavity, 120—accommodating groove, 121—first ventilation hole, 122—conductive pin, 123—positioning groove, 131—first power board, 132—second power board, 141—PCB board, 142—LED lamp beads, 160—Second ventilation hole, 1300—Pin terminal, 1310—Relay.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer, the present application will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application.

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 indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the application 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 therefore should not be construed as a limitation of the present application.

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 defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present application, "plurality" means two or more, unless otherwise expressly and specifically defined.

Referring to FIGS. 1 to 4 , the LED lamp tube provided by the present application will now be described. The LED lamp tube 1 includes a glass tube body 11 , two lamp caps 12 , a driving power source (not marked), an LED lamp board 14 and two sets of conductive pins 15 . The lamp caps 12 are sleeved on both ends of the glass tube body 11, and the two lamp caps 12 and the glass tube body 11 are enclosed to form a accommodating cavity 110. Here, the accommodating groove 120 and the accommodating cavity 110 are communicated with each other; the driving power source includes the first A power board 131 and a second power board 132. Here, the first power board 131 and the second power board 132 are respectively accommodated in the accommodating grooves 120 of the two lamp heads 12; the LED lamp board 14 is accommodated in the accommodating cavity 120, and the LED light board 14 is fixedly arranged on the inner wall of the glass tube body 11. Here, the LED light board 14 is electrically connected with the first power board 131 and the second power board 132; two sets of conductive pins 15 are respectively pierced through On the two lamp holders 12, specifically, one group of conductive pins 15 is connected to the first power board 131, the other group of conductive pins 15 is connected to the second power board 132, and one end of the conductive pins 15 extends into the container In the slot 120 , the other end of the conductive pin 15 protrudes out of the lamp cap 12 .

The structure of the above-mentioned LED lamp tube 1 can be used on a T5, T6 or T8 lamp tube, and the present application does not make a unique limitation on the model of the LED lamp tube 1 .

Compared with the prior art, the LED lamp tube 1 provided by the present application has the beneficial effects that the traditional driving power supply is designed and processed into the first power supply board 131 and the second power supply board 132, and the first power supply board 131 and the second power supply board 131 and the second power supply board 132 are designed and processed. The two power boards 132 are respectively arranged in the lamp caps 12 located at both ends of the glass tube body 11 , and the LED lamp panels 14 are driven to work by the first power strip 131 and the second power strip 132 , so that the size of the lamp cap 12 is reduced and the LED lamp tube 1 is installed. The operation is safer. At the same time, due to the use of glass tube body, the tube body is not easily deformed due to high temperature, thus effectively solving the problem that the tube body of the LED tube is easily deformed by high temperature, the lamp head is large in size, and the installation and use In the process, the technical problem of leakage danger is easy to occur, which realizes the miniaturization of the LED lamp tube, reduces the production cost of the LED lamp tube, and improves the safety and reliability of the LED lamp tube.

Further, please refer to FIG. 1 and FIG. 2 , as a specific embodiment of the LED lamp provided by the present application, a relay 1310 is provided on the first power supply board 131. Specifically, the relay 1310 is connected to the LED lamp board 14 and The conductive pins 15 are electrically connected to effectively prevent the danger of electric leakage during the installation and use of the LED lamp 1 .

Further, please refer to FIG. 1 , FIG. 2 and FIG. 4 , as a specific embodiment of the LED lamp provided by the present application, the above-mentioned lamp holder 12 is provided with a first ventilation hole 121 , specifically, on the end face of the lamp holder 12 There are two symmetrically arranged first ventilation holes 121, that is, a total of four first ventilation holes 121 are opened on the two lamp caps 12 sleeved on both ends of the glass tube body 11, and the four first ventilation holes 121 pass through. The two accommodating grooves 120 are communicated with the accommodating cavity 110. In this way, the air in the accommodating cavity 110 communicates with the outside air of the LED lamp 1 through the first ventilation hole 121, thereby making the inside and outside air of the LED lamp 1 circulate, preventing the The difference in air pressure inside and outside the LED lamp tube 1 may cause the glass tube body 11 to explode during use.

Further, please refer to FIG. 1 to FIG. 3 , as a specific embodiment of the LED lamp provided by the present application, the above-mentioned LED lamp 1 further includes two heat-dissipating colloids 16 , and the heat-dissipating colloids 16 are accommodated in the accommodating groove 120 inside, and the two heat-dissipating glues 16 are respectively filled in the gap between the first power board 131 and the inner wall of the lamp cap 12 and the gap between the second power board 132 and the inner wall of the lamp cap 12 . Specifically, the heat-dissipating glue 16 is formed by solidifying the heat-dissipating glue, and the heat-dissipating glue is injected into the gap between the first power board 131 and the inner wall of the lamp cap 12 and between the second power plate 132 and the inner wall of the lamp cap 12 through the above-mentioned first ventilation holes 121 After a period of time, the heat-dissipating colloid 16 is solidified in the air to form the heat-dissipating colloid 16. Here, the heat-dissipating colloid 16 mainly protects the first power board 131 and the second power board 132 and improves the first power board 131 and the second power board 131 and the second power board. 132 The role of heat dissipation efficiency.

Further, please refer to FIG. 2 and FIG. 6 , as a specific embodiment of the LED lamp provided by the present application, a second ventilation hole 160 is opened on the heat dissipation colloid 16 , and the second ventilation hole 160 is compatible with the above-mentioned accommodating hole 160 . The cavity 110 is communicated with the first ventilation hole 121. Specifically, the second ventilation hole 160 is in one-to-one correspondence with the first ventilation hole 121, one end of the second ventilation hole 160 is communicated with the first ventilation hole 121, and the other side of the second ventilation hole 160 One end is communicated with the accommodating cavity 110. In this way, the air in the accommodating cavity 110 communicates with the outside air of the LED lamp 1 through the second ventilation hole 160 and the first ventilation hole 121, thereby making the inside and outside air of the LED lamp 1 circulate, preventing the This avoids the risk of explosion of the glass tube body 11 due to the difference in air pressure between the inside and outside of the LED lamp tube 1 during use.

Further, please refer to FIG. 3 , as a specific embodiment of the LED lamp provided by the present application, a heat dissipation glue layer 17 is filled between the bottom surface of the LED lamp board 14 and the inner wall of the glass tube body 11 . Ground, the LED light board 14 includes a PCB board (Printed Circuit Board, printed circuit board) 141 and a number of LED light beads 142, here, the PCB board is a rigid board, that is, it has a certain rigidity, is not easy to bend, and is easy to penetrate The inside of the glass tube body 11 is conducive to the bonding and fixing of the PCB board and the inner wall of the glass tube body 11. Of course, according to the specific situation and requirements, in other embodiments of the present application, the PCB board can also be a flexible board, which is not made here. only limited. The LED lamp beads 142 are connected to the top surface of the PCB board 141, and the bottom surface of the PCB board 141 is pasted on the inner wall of the glass tube body 11 through heat dissipation glue. When the heat dissipation glue solidifies, a heat dissipation glue layer 17 is formed. The adhesive layer 17 not only plays the role of connecting the LED lamp board 14 and the glass tube body 11 , but also helps to improve the heat dissipation efficiency of the LED lamp board 14 .

Further, please refer to FIG. 2 and FIG. 3 , as a specific embodiment of the LED lamp provided by the present application, the above-mentioned LED lamp 1 further includes two flexible connecting plates 18 . Specifically, the flexible connecting plates 18 are accommodated in the inside the accommodating cavity 110, and one end of the two flexible connecting boards 18 are respectively connected with two ends of the LED light board 14, and the other ends of the two flexible connecting boards 18 are respectively connected with one end of the first power board 131 and the second power board 132 One end of the LED light board 14 is connected to the first power board 131 and the second power board 132 through the two flexible connecting boards 18 respectively. Since the flexible connecting plate 18 is flexible, its shape and length can be changed according to specific conditions and needs. Therefore, even when the length of the glass tube body 11 is greater than that of the LED light board 14, the LED light board 14 can be connected with the flexible connecting board 18. It can be easily connected with the first power board 131 and the second power board 132 .

Further, please refer to FIG. 1 to FIG. 3 , as a specific embodiment of the LED lamp provided by the present application, the first power board 131 and the second power board 132 are provided with pin terminals 1300 . Here, The first power board 131 and the second power board 132 are connected to the flexible connection board 18 through pin terminals 1300 . Specifically, the pin terminal 1300 includes a number of pins (PIN pins, which are a metal substance used in the connector to conduct electricity (signal) conduction (transmission)), and one end of the flexible connection board 18 is provided with the pins corresponding to the pins. For the corresponding mounting holes, the pins are inserted into the mounting holes to realize the connection between the flexible connecting board 18 and the first power board 131 and the second power board 132. In this way, the flexible connecting board 18 and the first power board 131 and the second power board 132 are reduced. The difficulty of connecting the power board 132 improves the installation efficiency of the flexible connecting board 18 and the first power board 131 and the second power board 132 .

Further, please refer to FIG. 1 , as a specific embodiment of the LED lamp provided by the present application, a layer of diffusion film 19 is pasted on the inner wall of the above-mentioned glass tube body 11 , and the diffusion film 19 replaces the traditional phosphor powder , the divergence angle of the light is increased, the brightness of the LED lamp 1 and the uniformity of the brightness are improved, and the energy saving effect and the use safety of the LED lamp 1 are improved.

Further, please refer to FIG. 1 to FIG. 4 , as a specific embodiment of the LED lamp provided by the present application, a conductive pin 122 is provided on the end face of the above-mentioned lamp holder 12 , and the conductive pin 122 is sleeved on the conductive pin 15 . one end. Specifically, one end of the conductive pin 15 protrudes into the conductive pin 122 through the end face of the lamp holder 12, and the conductive pin 15 is electrically connected to the conductive pin 122. In this way, the conductive pin 122 serves to protect the conductive pin 15 and connect the LED. The function of the lamp holder (not shown) that the lamp tube 1 is matched with.

Referring to FIG. 7, the present application also provides a method for assembling an LED lamp tube, which includes the following steps:

S10. Install the first power supply board 131 and the second power supply board 132 into the two lamp holders 12 respectively;

S20. Inject heat-dissipating glue into the lamp holder 12;

S30. Connect one end of the two flexible connectors 18 to both ends of the LED light board 14;

S40. Fix the LED light board 14 on the inner wall of the glass tube body 11;

S50. Connect the other ends of the two flexible connectors 18 to the first power board 131 and the second power board 132;

S60. Cover the two lamp caps 12 on both ends of the glass tube body 11.

First put the first power board 131 and the second power board 132 into the accommodating grooves 120 of the two lamp heads 12 respectively, and then inject the heat-dissipating glue into the accommodating groove 120 through the notch of the accommodating groove 120 until the heat-dissipating glue The slurry fills the gap between the first power supply board 131 and the inner wall of the lamp holder 12 and the gap between the second power supply board 132 and the inner wall of the lamp holder 12, and at the same time, one end of the two flexible connectors 18 are respectively connected to the LED lamp board 14. Then, the bottom surface of the LED light board 14 is coated with heat-dissipating glue, and the LED light plate 14 is pasted and fixed on the inner wall of the glass tube body 11 through the heat-dissipating glue until injected into the first power board 131 and the lamp holder 12 In the gap between the inner walls and the gap between the second power board 132 and the inner wall of the lamp holder 12, the heat-dissipating glue solidifies to form the heat-dissipating glue 16, and then the other ends of the two flexible connectors 18 are respectively connected with one end of the first power board 131 and the other end of the first power board 131. One end of the second power board 132 is connected, and then the two ends of the glass tube body 11 are inserted into the accommodating grooves 120 of the two lamp caps 12, and glued to fix.

Preferably, referring to FIG. 4 , a positioning groove 123 is formed on the edge of the notch of the above-mentioned accommodating groove 120, and both ends of the above-mentioned glass tube body 11 extend into the positioning groove 123 to form positioning, so that the glass tube body 11 and the The installation position of the lamp cap 12 is more precise, and the firmness of the connection between the glass tube body 11 and the lamp cap 12 and the appearance aesthetics are improved.

The beneficial effect of the LED lamp assembly method provided by the present application is that the traditional driving power supply is designed and processed into the first power supply board 131 and the second power supply board 132, and the gap between the first power supply board 131 and the inner wall of the lamp cap 12 and the first power supply board 131 and the Heat dissipation glue is injected into the gap between the two power supply boards 132 and the inner wall of the lamp head 12, so that the volume of the lamp head 12 is reduced and the operation of the first power supply board 131 and the second power supply board 132 is more safe and reliable. body, so that the tube body is not easily deformed due to high temperature, and the LED lamp board 14 needs to be driven by the first power board 131 and the second power board 132 together, thus effectively solving the problem that the tube body of the LED tube is easily deformed by high temperature. The large size of the lamp head and the technical problems of easy leakage of electricity during installation and use realize the miniaturization of the LED lamp tube, reduce the production cost of the LED lamp tube, and improve the safety and reliability of the LED lamp tube.

Further, please refer to FIG. 5 and FIG. 6 , as a specific embodiment of the LED lamp assembly method provided by the present application, in the above step S20 , the glue injection fixture 2 is first inserted through the first ventilation hole 121 into the accommodating groove 120 , and then inject the heat-dissipating glue into the accommodating groove 120 through the notch of the accommodating groove 120 . Specifically, one end of the glue injection fixture 2 first extends into the accommodating groove 120 through the first ventilation hole 121, and the glue injection fixture 2 blocks the first ventilation hole 121 to avoid slurry leakage, and then the heat dissipation glue The paste is injected into the gap between the first power board 131 and the inner wall of the lamp holder 12 and the gap between the second power board 132 and the inner wall of the lamp head 12 through the notch of the accommodating tank 120, until the heat dissipation glue fills the above two gaps, At this time, the end face of the glue injection fixture 2 extending into the accommodating groove 120 protrudes out of the heat dissipation glue, and after the heat dissipation glue solidifies to form the heat dissipation glue 16 , the glue injection fixture 2 exits the container through the first ventilation hole 121 The grooves 120 are placed, and the second ventilation holes 160 are formed on the heat dissipation glue 16 . It can be understood that: in order to prevent the heat dissipation glue from overflowing or the top surface of the heat dissipation glue from being inclined, the lamp holder 12 is kept in an axially upright state during the injection of the heat dissipation glue, that is, the end face of the lamp holder 12 is facing downward, and the accommodating groove 120 With the notch facing upward, the glue injection fixture 2 is inserted into the accommodating groove 120 from bottom to top. Due to the self-leveling effect of the liquid, the top surface of the heat dissipation glue is parallel to the horizontal plane and perpendicular to the central axis of the lamp cap 12 .

Further, referring to FIG. 6 , as a specific embodiment of the LED lamp assembly method provided by the present application, the above-mentioned glue injection fixture 2 is a columnar member made of a hard material, and the outer wall surface of the columnar member is smooth. In this way, the glue injection jig 2 has enough hardness to withstand the external force when it is pulled out from the heat dissipation colloid 16 , and at the same time, since the outer wall surface of the glue injection jig 2 is smooth, it is convenient for the glue injection jig 2 to be pulled out from the heat dissipation glue 16 . out, and a smooth and complete second ventilation hole 160 is formed in the heat dissipation colloid 16 .

The above descriptions are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection of the present application. within the range.

Claims (10)

1. LED lamp, is characterized in that, comprises: glass body; Two lamp caps are provided with accommodating grooves, the second lamp caps are sleeved on both ends of the glass tube body and are enclosed with the glass tube body to form an accommodating cavity, the accommodating groove and the accommodating cavity connected; a driving power supply, including a first power supply board and a second power supply board, the first power supply board and the second power supply board are respectively accommodated in the two accommodating slots; An LED light board is accommodated in the accommodating cavity and fixed on the inner wall of the glass tube body, the LED light board is electrically connected to the first power board and the second power board; and Two groups of conductive pins pass through the two lamp caps respectively, wherein one group of the conductive pins is connected to the first power board, and the other group of the conductive pins is connected to the second power board . 2 . The LED light tube according to claim 1 , wherein a relay electrically connected to the LED light board and the conductive pins is provided on the first power board. 3 . 3 . The LED lamp tube of claim 2 , wherein the lamp cap is provided with a first ventilation hole communicating with the accommodating groove. 4 . 4. The LED lamp of claim 3, wherein the LED lamp further comprises: Two heat-dissipating colloids are accommodated in the accommodating groove, and the two heat-dissipating colloids are respectively filled in the gap between the first power board and the inner wall of the lamp holder and the second power board and the inner wall of the lamp holder. gap between. 5 . The LED lamp tube of claim 4 , wherein a second ventilation hole communicated with the accommodating cavity and the first ventilation hole is opened on the heat dissipation colloid. 6 . 6 . The LED lamp tube according to claim 1 , wherein a heat dissipation glue layer is filled between the bottom surface of the LED lamp board and the inner wall of the glass tube body. 7 . 7. The LED lamp of claim 6, wherein the LED lamp further comprises: Two flexible connecting boards are accommodated in the accommodating cavity, one end of the two flexible connecting boards is respectively connected with two ends of the LED light board, and the other ends of the two flexible connecting boards are respectively connected with the first One end of the power board is connected to one end of the second power board. 8 . The LED lamp of claim 7 , wherein pin terminals are provided on the first power board and the second power board, and the first power board and the second power board It is connected with the flexible connection board through the pin terminal. 9 . The LED lamp tube of claim 6 , wherein a diffusion film is attached to the inner wall of the glass tube body. 10 . 10 . The LED lamp of claim 6 , wherein a conductive pin sleeved on one end of the conductive pin is disposed on the end surface of the lamp holder. 11 .