TWM513967U - LED tubing lamp - Google Patents

Description

LED tube light

The present invention relates to the technical field of tube lamps, in particular to an LED tube lamp in which the conductive terminals at both ends of the tube lamp have an angle of illumination to the positive LED.

In view of the fact that the Light-Emitting Diode (LED) is widely used in lighting devices for daily life, please refer to FIG. 1 , which is a perspective view of a conventional LED tube. As shown in FIG. 1 , the conventional LED tube 1 ′ includes: a lamp cover 11 ′, a heat dissipation plate 12 ′, a circuit board 13 ′, a plurality of LED elements 14 ′, and two lamp holders 15 ′; The circuit board 13' provided with the LED elements 14' is disposed on the heat dissipation plate 12', and the heat dissipation plate 12', the circuit board 13', and the LED elements 14' are disposed in the lamp cover. Within 11'; and, the circuit board 13' has two wires 131'. Further, the two wires 131' are electrically connected to the two conductive terminals 151' of the two caps 15', and a power module (not shown) is disposed in the circuit board 13'. The two lamp caps 15' are sleeved on both ends of the lampshade 11' for sealing the lampshade 11'.

Please continue to refer to FIG. 2, which is an exemplary perspective view of a conventional LED tube. As shown in FIG. 2, in the practical application, when the conventional LED tube 1' is disposed on two power input terminals 21' of a socket 2', the two bases 15' and the circuit board 13' Artificial group The error caused by the mounting causes the conventional illumination range L1 of the LED tube 1' to be shifted by a visible range.

Although the conventional LED tube 1' described in FIG. 2 has been widely used in various illumination devices, the conventional LED tube 1' still has the following major drawbacks: In the LED tube 1', the lamp cover 11' is sealed by the two lamp caps 15'. When the two conductive terminals 151' of the two lamp caps 15' are coupled to an external input power source, the conventional LED lamp tube 1' will also cause the illumination angle to be inconsistent with the illumination surface required by the user due to the deviation caused by the assembly. It is conceivable that the two end caps and LED elements of the conventional LED tube 1' need to be adjusted by the high-precision alignment device to adjust the illumination angle of the conventional LED tube 1', and the manufacturing cost thereof is very high. And not easy to assemble.

Therefore, through the above description, it can be known that the conventional LED tube still has shortcomings and shortcomings; in view of this, the creator of the present case is trying to research and create, and finally develops an LED tube of the novel creation.

The lamp head of the LED tube lamp of the present invention is mainly divided into an electric terminal fixing plate, a two-electric terminal, and a combination of one end cover; thus, when assembling the lamp cap to the two ends of the tubular lamp cover of the LED tube lamp, there are two The two positioning jaws of the electrical terminal fixing plate of the electrical terminal are fitted into the two recessed grooves on the inner wall surface of the tubular lamp cover; then, the end cover can be continuously combined to the two ends of the tubular lampshade, Blocking the end nozzle of the tubular lamp cover and simultaneously fitting the electrical terminal fixing plate into the fitting hole at the bottom of the end cover; at this time, a fitting positioning portion on the end cover is simultaneously combined to form At the end of the tubular lampshade The upper end cap is positioned. Such an assembly method can ensure that the end cap can be accurately coupled to the end nozzle of the tubular lampshade at a correct angle, which not only does not cause deviation in assembly, but also ensures illumination of the LED elements in the tubular lampshade. The angle and coverage of the illumination are indeed in line with the needs of the user.

Therefore, in order to achieve the above object of the present invention, the creator of the present invention proposes an LED tube lamp comprising: a tubular lamp cover; a carrier plate, which is housed in the tubular lamp cover and has a line setting portion; a line The layer is disposed on the circuit arrangement portion by an insulating thermal conductive adhesive, and has a main circuit group, a plurality of soldering metal pads, and an electrical connection portion; a solder resist layer is formed on the circuit Above the surface of the portion, and covering the circuit layer, and the solder resist layer is provided with a plurality of first exposed openings for exposing the plurality of soldering metal pads; and the plurality of LED elements are disposed on the solder resist layer And the soldering metal pads are soldered to each other through the first exposed openings; wherein the power modules each have at least one first electrical connector and at least one second electrical connection The first electrical connector is electrically connected to the electrical connection portion; the two end caps are respectively coupled to the two ends of the tubular lamp cover, and respectively accommodate the two power modules; Two electric terminal fixing plates are respectively accommodated in the two end covers and respectively coupled to the two end nozzles of the tubular lamp cover; and four hollow electrical terminals are disposed in pairs on the second electric The second terminal is electrically connected to the second electrical connector of the power module; wherein the four hollow electrical terminals are exposed in pairs to expose the two end caps;

<This new type>

1‧‧‧LED tube light

11‧‧‧ tubular lampshade

12‧‧‧Loading board

13‧‧‧Line layer

14‧‧‧ solder mask

15‧‧‧LED components

16‧‧‧Power Module

17‧‧‧Electrical terminal fixing plate

18‧‧‧ Hollow electrical terminals

19‧‧‧End cover

111‧‧‧Inlay

112‧‧‧End cap positioning

121‧‧‧Line Setup Department

122‧‧‧Extended flank

123‧‧‧ side panels

130‧‧‧Main line group

131‧‧‧Welded metal mat

132‧‧‧Electrical connection

141‧‧‧ first exposed opening

142‧‧‧Second exposed opening

161‧‧‧First electrical connector

162‧‧‧Second electrical connector

171‧‧‧Fixed holes

172‧‧‧Location榫

191‧‧‧ fitting holes

192‧‧‧Fitting Positioning Department

163‧‧‧The third electrical connector

<知知>

1'‧‧‧Looking LED Tubes

2'‧‧‧ lamp holder

11’‧‧‧shade

12’‧‧‧heat plate

13’‧‧‧ boards

14'‧‧‧LED components

15’‧‧‧ lamp holder

21’‧‧‧Power input

131’‧‧‧Wire

151'‧‧‧Electrical terminals

L1‧‧‧Scope of illumination

1 is a perspective view of a conventional LED tube; FIG. 2 is an exemplary perspective view of a conventional LED tube; FIG. 3 is an exploded view of an LED tube lamp of the present invention; Schematic perspective view of circuit layer, solder mask, LED component, power module, electrical terminal fixing plate, hollow electrical terminal, end cover, and reflective layer; Figure 5 is a carrier plate, circuit layer, solder mask, LED element, power module, electrical terminal fixing plate, hollow electrical terminal, and a schematic perspective view of the end cover; Figure 6 is a tubular lamp cover, a carrier plate, an electrical terminal fixing plate, an electrical terminal fixing plate, and a terminal FIG. 7A is a perspective view of the electrical terminal fixing plate; FIG. 7B is a perspective view of the electrical terminal fixing plate; FIG. 8A is a perspective view of the end cover; FIG. 8B is a perspective view of the end cover FIG. 9 is a schematic view showing the assembly of the end cover and the electrical terminal fixing plate; FIG. 10 is an exploded view of the second embodiment of the LED tube lamp of the present invention; Figure 11 is a schematic perspective view of a carrier board, a wiring layer, a solder resist layer, an LED component, a power module, an electrical terminal fixing plate, a hollow electrical terminal, an end cap, and a light reflecting layer.

In order to more clearly describe an LED tube lamp proposed by the present invention, a preferred embodiment of the novel creation will be described in detail below with reference to the drawings.

Please also refer to Figure 3, which is an explosion diagram of a new type of LED tube lamp. As shown in the figure, the LED tube lamp 1 of the present invention comprises: a tubular lamp cover 11, a carrier plate 12, a circuit layer 13, a solder mask 14, a plurality of LED elements 15, two power modules 16, and two batteries. The terminal fixing plate 17, the four hollow electrical terminals 18, and the two end covers 19.

Continuing to refer to FIG. 3, and also refer to FIG. 4, the carrier board 12, the circuit layer 13, the solder resist layer 14, the LED component 15, the power module 16, the two electrical terminal fixing plate 17, and the hollow electrical terminal. 18. A schematic perspective view of the end cap 19. As shown in the figure, the carrier plate 12 is housed in the tubular lampshade 11 and has a line setting portion 121. Moreover, the carrier board 12 further has two extending side wings 122 extending from two sides of the line setting portion 121 for inserting two slots 111 on the inner wall surface of the tubular lampshade 11, so that the carrier board 12 is It is firmly fixed inside the tubular lampshade 11. The two side panels 123 are formed between the two extending side flaps 122 and the line setting portion 121; and the reflective layer of the light-reflecting effect can be attached to the surface of the two extending side flaps 122.

The circuit layer 13 is disposed on the circuit arrangement portion 121 by an insulating thermal conductive adhesive, and has a main circuit group 130 and a plurality of solder metal pads 131. As shown in the figure, the solder resist layer 14 is formed on the surface of the line setting portion 121 for covering and protecting The circuit layer 13 is protected; and the main circuit group 130 further has an electrical connection portion 132 (Fig. 4 shows the electrical connection portion 132 as a contact group). In particular, the solder resist layer 14 is provided with a plurality of first exposed openings 141 and a plurality of second exposed openings 142; wherein the first exposed openings 141 are used to expose the plurality of solder metal pads 131, and the The second exposed opening 142 is for exposing the contact group (electrical connection portion 132).

Further, the two power modules 16 are respectively disposed inside the two end covers 19; and each of the power modules 16 has a first electrical connection to the contact group (electrical connection portion 132). An electrical connector 161 (the fourth figure shows that the first electrical connector 161 includes three first connection terminals) and a second electrical connector 162 electrically connected to the hollow electrical terminal 18 (FIG. 4) The second electrical connector 162 is shown to include two second connection terminals. The two conductive terminals (ie, the second electrical connectors 162) are respectively embedded and riveted into the two hollow electrical terminals 18 fixed on the electrical terminal fixing plate 17.

Here, it must be additionally explained that the carrier board 12, the circuit layer 13, the solder resist layer 14, the LED element 15, the power module 16, the electrical terminal fixing board 17, the hollow electrical terminal 18, and the like, as shown in FIG. As shown in the schematic perspective view of the end cover 19, the first electrical connector 161 can also be an electrical conductor set and electrically connected to the electrical connection portion 132 (contact set) of the main line group 130. Certainly, the electronic component is not limited to the above two types on the circuit board. Therefore, an engineering person familiar with the electronic circuit can easily infer that the electrical connection portion 132 of the main circuit group 130 can be a contact group or a pin header. Seat, or female electrical connector. Moreover, in order to achieve electrical connection with the electrical connection portion 132 of the main line group 130, the first electrical connection member 161 of the power module 16 can be a terminal group (shown in FIG. 4) and an electrical lead group (5th In addition to the figure, it can also be a pin header or a male connector.

Please refer to FIG. 3 and FIG. 4 , wherein the LED elements 15 disposed on the solder resist layer 14 can be soldered to the solder metal pads 131 through the first exposed openings 141 . The first electrical connector 161 disposed on the power module 16 can be soldered to the electrical connection portion 132 through the second exposed openings 142 . Please refer to FIG. 3 and FIG. 4 at the same time, and refer to FIG. 6 at the same time, which is a schematic perspective view of the tubular lampshade 11, the carrier plate 12, the electrical terminal fixing plate 17, the electrically hollow terminal 18, and the end cover 19. . Further, please refer to FIGS. 7A and 7B simultaneously, and a perspective view of the electrical terminal fixing plate 17. As shown in the figure, the present invention specifically designs the end cap 19 and the hollow electrical terminal 18 as "combined". In the present invention, the bottom of the two hollow electrical terminals 18 are embedded in the two fixing holes 171 of the electrical terminal fixing plate 17, and the two hollow electrical terminals 18 are combined to the electrical terminal fixing plate 17. on.

Please refer to FIGS. 8A and 8B again, which are perspective views of the end cover 19; and, referring to FIG. 9 at the same time, the assembly diagram of the end cover 19 and the electrical terminal fixing plate 17 is shown. When the end cover 19 and the electrical terminal fixing plate 17 are combined, the two positioning jaws 172 of the electrical terminal fixing plate 17 must first be embedded in the two recesses 111 of the inner wall surface of the tubular lamp cover 11 so that the hollow is combined. The electrical terminal fixing plate 17 of the electrical terminal 18 is further assembled to the end nozzle of the tubular lampshade 11; then, the end cap 19 is coupled to the end nozzle of the tubular lampshade 11. As shown, the end cap 19 shields the end nozzle of the tubular lampshade 11 and causes the hollow electrical terminals 18 to be exposed in pairs outside the end cap 19.

According to the above description, when the electrical terminal fixing plate 17 is received by the end cover 19 (as shown in FIGS. 8A, 8B, and 9), the electrical terminal fixing plate 17 is fitted to the end cover. 19 in the fitting hole 191; at the same time, as shown in Fig. 6, formed in the tubular lampshade 11 The (upper and lower) end cap positioning portions 112 at the end nozzles are embedded in the two fitting positioning portions 192 designed on the end cover 19, whereby the end caps 19 can be stably fixed to the tubular lampshade 11 End nozzle. Here, it must be particularly noted that although FIG. 6 shows that the end cap positioning portion 112 is formed at the end nozzle of the tubular lamp cover 11, and the end cover 19 is provided with the fitting positioning portion 192, the present invention should not be limited thereto. Embodiments of the invention. In the case of possible assembly manufacturing, the end cap positioning portion 112 and the fitting positioning portion 192 may also be omitted, and these two portions are not absolutely necessary components.

In addition, the power module 16 must pass through the second electrical connector in addition to electrically connecting the first electrical connector 161 to the electrical connector 132 of the circuit layer 13 . 162 is riveted to the two hollow electrical terminals 18 on the electrical terminal fixing plate 17. In this way, the external alternating current input through the hollow electrical terminal 18 can be input into the power module 16, and then the alternating current is converted into direct current by the power module 16, and finally the direct current is transmitted to the circuit layer 13 to drive the These LED elements 15 emit light. In terms of the conventional method of circuit design and fabrication, it is also possible to replace the connection terminals with wires.

Thus, through the above, the structure and technical features of the LED tube lamp 1 of the present invention have been completely and clearly explained; and, through the above, the present invention has the following advantages:

(1) Unlike the conventional LED tube 1', the lamp cap of the LED tube lamp 1 of the present invention is mainly split into an electric terminal fixing plate 17, two hollow electric terminals 18, and one end cover 19. Composition; so designed, when assembling the lamp cap to both ends of the tubular lampshade 11 of the LED tube lamp, two of the electrical terminal fixing plates 17 provided with two hollow electrical terminals 18 The positioning jaws 172 are fitted into the two recesses 111 of the inner wall surface of the tubular lampshade 11; then, the end caps 19 can be continuously combined to the nozzles at both ends of the tubular lampshade 11 to provide shielding of the end tubes. The effect of the mouth, and at the same time, the electrical terminal fixing plate 17 is fitted into the fitting hole 191 at the bottom of the end cover 19; at this time, a fitting positioning portion 192 on the end cover 19 is simultaneously coupled to One end of the end of the tubular lampshade 11 covers the positioning portion 112. Such an assembly method can ensure that the end cap 19 can be accurately coupled to the end nozzle of the tubular lampshade 11 at a correct angle, thereby not only causing variations in assembly, but also ensuring LEDs in the tubular lampshade 11 The illumination angle of the component 15 and the illumination coverage are indeed in accordance with the needs of the user.

(2) In addition, compared with the conventional LED tube 1' through a high-precision alignment device to adjust the illumination angle, the present invention creates two recessed grooves 111 on the inner wall surface of the tubular lampshade 11 and is mounted therein. A circuit layer 13 , a solder resist layer 14 , and a plurality of side plates 122 extending from one of the plurality of LED elements 15 are embedded in the two recesses 111 so that the LED components are not displaced during assembly. It is low in production cost and easy to assemble.

In addition to the first embodiment of the LED tube lamp 1 illustrated in Figures 3 and 4, the creator of the present invention further provides a second embodiment of the LED tube lamp 1. Please refer to Fig. 11, which is an exploded view of a second embodiment of the LED tube lamp of the present invention. As shown in the figure, the LED tube lamp 1 of the present invention comprises: a tubular lamp cover 11, a carrier plate 12, a circuit layer 13, a solder mask 14, a plurality of LED elements 15, a single power module 16, and a second battery. The terminal fixing plate 17, the four hollow electrical terminals 18, and the two end covers 19.

Continuing to refer to FIG. 11 and also refer to FIG. 12, which is a carrier board 12, a circuit layer 13, a solder resist layer 14, an LED component 15, a power module 16, and an electrical terminal fixing plate. 17. Schematic perspective view of the hollow electrical terminal 18, the end cap 19, and the light reflecting layer. Different from the first embodiment shown in FIGS. 3 and 4, the second embodiment of the LED tube lamp 1 includes only a single power module 16. As shown in the figure, the single power module 16 further includes a third electrical connector 163 in addition to the existing first electrical connector 161 and second electrical connector 162.

According to the above description, the first electrical connector 161 is electrically connected to the electrical connection portion 132 of the circuit layer. Moreover, two of the four hollow electrical terminals 18 are electrically connected to the second electrical connector 162 of the power module 16 , and the other two hollow electrical terminals 18 are electrically connected to the power module. The third electrical connector 163 of 16. As shown in FIG. 11 and FIG. 12 , the third electrical connector 163 is a wire group for transmitting the alternating current input to the hollow electrical terminal 18 to the inside of the power module 16 . Of course, the wire set shown in FIG. 11 and FIG. 12 is only one embodiment of the third electrical connector 163. The present invention does not specifically limit the third electrical connector 163 to be in the form of a wire group. achieve. The third electrical connector 163 can also be any other practical electrical connection device, unit, or mechanism.

It is to be understood that the foregoing detailed description of the preferred embodiments of the present invention is not intended to limit the scope of the invention, Both should be included in the scope of the patent in this case.

1‧‧‧LED tube light

11‧‧‧ tubular lampshade

12‧‧‧Loading board

13‧‧‧Line layer

14‧‧‧ solder mask

15‧‧‧LED components

16‧‧‧Power Module

17‧‧‧Electrical terminal fixing plate

18‧‧‧ Hollow electrical terminals

19‧‧‧End cover

111‧‧‧Inlay

121‧‧‧Line Setup Department

122‧‧‧Extended flank

123‧‧‧ side panels

161‧‧‧First electrical connector

162‧‧‧Second electrical connector

171‧‧‧Fixed holes

172‧‧‧Location榫

Claims (20)

An LED tube lamp comprises: a tubular lamp cover; a carrier plate disposed in the tubular lamp cover and having a line setting portion; a circuit layer disposed on the line by an insulating thermal adhesive Above the portion, and having a main circuit group, a plurality of soldering metal pads, and an electrical connection portion; a solder resist layer formed on the surface of the circuit arrangement portion and covering the circuit layer, and the solder resist a plurality of first exposed openings are formed on the layer for exposing the plurality of soldering metal pads; a plurality of LED elements are disposed on the solder resist layer and are connected to the solder through the first exposed openings The metal pads are soldered to each other; the power module has at least one first electrical connector and at least one second electrical connector; wherein the first electrical connector is electrically connected The two end caps are respectively coupled to the two ends of the tubular lampshade, and respectively accommodate the two power modules; the two electrical terminal fixing plates are respectively received in the two end caps Among them, and respectively combined to the two of the tubular lampshade a plurality of hollow electrical terminals are disposed in pairs on the two electrical terminal fixing plates and electrically connected to the second electrical connector of the power module; wherein the four The hollow electrical terminals are exposed in pairs outside the two end caps. The LED tube lamp of claim 1, wherein the second electrical connector comprises two conductive terminals, and the two conductive terminals are respectively embedded and riveted and fixed to the electrical terminal fixing plate. Among the two hollow electrical terminals. The LED tube lamp of claim 1, wherein the tubular lamp cover further comprises: two recessed grooves, two phases are formed in parallel on the inner wall surface of the tubular lamp cover; and at least two end cap positioning portions are respectively Formed at the tube ends of the tubular lampshade. The LED tube lamp of claim 1, wherein the solder resist layer is further provided with a plurality of second exposed openings for exposing the electrical connection portion. The LED tube lamp of claim 1, wherein the electrical connection portion can be any one of the following: a contact group, a pin header, or a female electrical connector. The LED tube lamp of claim 3, wherein the carrier plate further comprises: two extending side wings extending from two sides of the line setting portion for inserting into the two insertion grooves, The carrier plate is fixedly secured within the tubular lampshade; and the two side plates are formed between the two extension side wings and the line arrangement portion. The LED tube lamp of claim 5, wherein the first electrical connector can be any one of the following: an electrical wire set, a terminal set, a pin header, or a male electrical connector. The LED tube lamp of claim 6, wherein the electrical terminal fixing plate has two fixing holes for inserting the bottoms of the hollow electrical terminals therein, thereby The hollow electrical terminals are combined and fixed on the electrical terminal fixing plate; and at least one positioning cymbal is configured to be embedded in the two recessed grooves of the inner wall surface of the tubular lamp cover, so that the hollow electrical terminal is coupled An electrical terminal retaining plate is further assembled to the end nozzle of the tubular lampshade. The LED tube lamp of claim 6, wherein the end cap has a fitting hole formed in the end cap for embedding the electrical terminal fixing plate therein and exposing And the hollow electrical terminal is outside the end cover; and at least one fitting positioning portion is formed on the end cover and adjacent to the fitting hole; wherein when the end cover is coupled to the end tube of the tubular lamp cover The end cap positioning portion formed at the end nozzle of the tubular lamp cover is embedded in the fitting positioning portion formed on the end cap, thereby enabling the end cap to be stably fixed to the tubular shape The end of the lampshade. The LED tube lamp of claim 6, wherein the two extending side flaps can be attached with a reflective layer for collecting light reflection effects. An LED tube lamp comprises: a tubular lamp cover; a carrier plate, which is received in the tubular lamp cover and has a line setting portion; a circuit layer is disposed on the circuit arrangement portion by an insulating thermal conductive adhesive, and has a main circuit group, a plurality of solder metal pads, and an electrical connection portion; a solder resist layer is formed on the circuit layer a plurality of first exposed openings are formed on the surface of the circuit setting portion and covering the circuit layer, and the plurality of first metal exposed openings are exposed on the solder resist layer; and the plurality of LED elements are disposed on the solder resist And a plurality of soldering metal pads are soldered to each other through the first exposed openings; and a power module, wherein the power module has at least one first electrical connector and at least one second electrical component The connector and the at least one third electrical connector; wherein the first electrical connector is electrically connected to the electrical connector; the two end caps are respectively coupled to the two ends of the tubular lampshade, and The two power supply modules are respectively accommodated; the two electrical terminal fixing plates are respectively accommodated in the two end covers and respectively coupled to the two end nozzles of the tubular lamp cover; four hollow electrical terminals are Provided in pairs on the two electrical terminal fixing plates, The two of the four hollow electrical terminals are electrically connected to the second electrical connector of the power module, and the other two are electrically connected to the third electrical connection of the power module. And the four hollow electrical terminals are exposed in pairs outside the two end caps. The LED tube lamp of claim 11, wherein the second electrical connector comprises two conductive terminals, and the two conductive terminals are respectively embedded and riveted and fixed to the electrical terminal fixing plate. Among the two hollow electrical terminals. The LED tube lamp of claim 11, wherein the tubular lamp cover further comprises: The two recessed grooves are formed in parallel on the inner wall surface of the tubular lampshade; and at least two end cap positioning portions are respectively formed at the pipe ends of the tubular lampshade. The LED tube lamp of claim 11, wherein the solder resist layer is further provided with a plurality of second exposed openings for exposing the electrical connection portion. The LED tube lamp of claim 11, wherein the electrical connection portion can be any one of the following: a contact group, a pin header, or a female electrical connector. The LED tube lamp of claim 13, wherein the carrier plate further comprises: two extending side wings extending from the two sides of the line setting portion for inserting into the two insertion grooves, The carrier plate is fixedly secured within the tubular lampshade; and the two side plates are formed between the two extension side wings and the line arrangement portion. The LED tube lamp of claim 15, wherein the first electrical connector and the third electrical connector may be any of the following: an electrical wire set, a terminal set, a pin header, or a male End electrical connector. The LED tube lamp of claim 16, wherein the electrical terminal fixing plate has two fixing holes for inserting the bottoms of the hollow electrical terminals therein, thereby a hollow electrical terminal is assembled and fixed on the electrical terminal fixing plate; At least one positioning cymbal for embedding the two recesses in the inner wall surface of the tubular lamp cover such that the electrical terminal fixing plate incorporating the hollow electrical terminal is further assembled to the end nozzle of the tubular lamp cover . The LED tube lamp of claim 16, wherein the end cap has: a fitting hole is formed in the end cover, wherein the electrical terminal fixing plate is embedded therein, and the hollow electrical terminal is exposed outside the end cover; and at least one fitting positioning portion is opened And the end cap is adjacent to the fitting hole; wherein when the end cap is coupled to the end nozzle of the tubular lampshade, the end cap positioning portion formed at the end nozzle of the tubular lampshade is embedded in the opening The fitting positioning portion on the end cap is such that the end cap can be stably fixed to the end nozzle of the tubular lampshade. The LED tube lamp of claim 16, wherein the two extending side flaps can be attached with a reflective layer for collecting light reflection effects.