TWM457835U - Lighting tube having two light-emitting surfaces - Google Patents

Abstract

A lighting tube having two light-emitting surfaces includes a hollow tube, a heat sink, a first light bar, and a second light bar. The hollow tube has two plugging parts on an inner surface thereof. The first connecting part and the second connecting part are respectively engaged with the two plugging parts. The heat sink has a first surface and a second surface, in which the first surface is opposite to the second surface. The first light bar is located on the first surface of the heat sink and the second light bar is located on the second surface of the heat sink. The first light bar and the second light bar through a simple combining way to be disposed on the first surface and the second surface of the heat sink such that the light tube may emit from two relative surfaces. Therefore, the advantage of the light tube is simple combination.

Description

Lamp with double-sided light

The invention relates to a lamp tube, in particular to a lamp tube with double-sided light output.

In everyday life, lighting equipment is an indispensable tool. Most of the existing lighting equipment uses a light bulb or a light tube as a light source. Among these lamps or bulbs, fluorescent tubes, incandescent bulbs, and halogen bulbs are commonly used. In recent years, a light-emitting diode (LED) is used as a light source because it consumes a large amount of electric energy during illumination. Lighting equipment has become increasingly popular. In addition, the light-emitting diode not only has the advantages of long life, low power consumption, small volume, shock resistance and wide application, and is not easy to be broken like a conventional light bulb, and is safe for the user.

A lamp tube using a light-emitting diode as a light source generally includes a column lamp cover, an end cover and a light bar. The light bar is located in the column lamp cover, and the light bar is provided with a plurality of light emitting diodes, and conductive contacts are arranged on the surface at both ends of the light bar. The conductive contacts of the light strip are connected to the electrical contacts on the inner side of the end cap through wires, so that external power transmits power to the light emitting diode via the conductive pins of the end cover.

At present, some light-emitting advertising signs are printed with advertising notices on opposite sides. Therefore, the light source in the advertising signboard needs to provide two opposite light sources, so that both side advertising notices can be displayed. However, most of the lamps currently used in advertising signs use general fluorescent tubes, but fluorescent tubes have the disadvantages of high power consumption and fragility.

In view of the problems caused by the prior art, the present invention provides a lamp having double-sided light to overcome the problems caused by the prior art.

In order to achieve the above object, the present invention provides a lamp having a double-sided light output comprising a hollow tube body, a heat sink, a first light strip and a second light strip. The hollow tubular body has corresponding two insertion portions on its inner wall. The heat sink is located in the hollow tube body, and the first side of the heat sink has a corresponding first connecting portion and a second connecting portion, and the first connecting portion and the second connecting portion are respectively inserted into the two connecting portions. The heat sink has two opposing first and second surfaces. The first light bar is located on the first surface of the heat sink. The second light bar is located on the second surface of the heat sink.

In an embodiment of the present invention, the first connecting portion and the second connecting portion are concave portions, and the second connecting portion is a corresponding convex portion, or the first connecting portion and the second connecting portion are convex portions and the second connecting portions are corresponding to each other. The recess.

In an embodiment of the present invention, the first surface of the heat sink has a first fitting seat for the first light bar to be inserted thereon, and the second surface has a second fitting seat for the second light bar to be inserted Set on it.

In an embodiment of the present invention, the lamp having the double-sided lightout further comprises a two-end cover, respectively fitting the two ends of the pipe body.

In an embodiment of the present invention, the first light bar and the second light bar may have the same or different color temperature and/or luminous intensity and/or light emission wavelength.

In an embodiment of the present invention, the first light bar has a plurality of first light emitting units, and the second light bar has a plurality of second light emitting units, wherein each of the first light emitting units and each of the second light emitting units are located at a position of each other alignment.

In an embodiment of the present invention, the first light emitting unit and/or the second light emitting unit The unit is composed of a light-emitting diode.

In an embodiment of the present invention, the light emitting diode is an ultraviolet light emitting diode or a visible light emitting diode.

In an embodiment of the present invention, the hollow tube body further includes at least one color temperature conversion layer disposed on the outer surface of the hollow tube body facing the first light bar and/or the second light bar for changing from the first The color temperature of a light bar and/or a second light bar.

In an embodiment of the present invention, the light directions of the first light bar and the second light bar are opposite.

Compared with the prior art, the double-sided light-emitting tube of the present invention is configured to pass the first light strip and the second light strip with opposite light directions in a light-transmissive hollow tube body through a simple assembly method. The light is disposed on the opposite first surface and the second surface of the heat sink, so that the lamp has the effect of double-sided light output. Therefore, the present invention has the advantage of being easy to assemble on the production of the lamp tube.

The spirit and scope of the present invention will be apparent from the following description of the preferred embodiments of the invention. It does not depart from the spirit and scope of the present invention.

Please refer to FIG. 1 , which is a cross-sectional view of a longitudinal direction of a lamp 100 having double-sided light emission according to an embodiment of the present invention. As shown in FIG. 1, the lamp tube 100 having double-sided light output includes a hollow tube body 110, a heat sink 120, a first light bar 130, and a second light bar 140. The first light bar 130 and the second light bar 140 are in the hollow tube body 110, and respectively respectively. The first surface 122 and the second surface 124 of the 120 are coupled. In the present embodiment, the first surface 122 and the second surface 124 are opposed to each other. In addition, when the first light bar 130 and the second light bar 140 are respectively connected to the opposite first surface 122 and the second surface 124 of the heat sink 120, the light source emitted by the first light bar 130 has a first light output. The direction 130a, and the light source emitted after the second light bar 140 is energized has a second light exiting direction 140a. In this embodiment, the first light-emitting direction 130a and the second light-emitting direction 140a are opposite to each other, but are not limited thereto. In addition, the first light bar 130 and the second light bar 140 described in this embodiment may have the same color temperature, illuminance, or illuminating wavelength, but not limited thereto. In other embodiments, the first light bar 130 and the second light bar 140 may also have different color temperatures, illuminating powers, or illuminating wavelengths, but are not limited thereto.

In the embodiment, the lamp tube 100 having the double-sided light discharge further includes a two-end cover 112, and the two end covers 112 are respectively fitted to the both end portions 110a of the hollow pipe body 110. The two terminals 114 are electrically connected to the first light bar 130 and the second light bar 140 in the lamp tube 100, and are respectively connected out from the two end covers 112 to electrically connect the external power source, so that the first light bar 130 and the second light bar are electrically connected. The power supply can be obtained by the terminal 114.

Please refer to FIG. 2 and FIG. 3 simultaneously. FIG. 2 is a cross-sectional view of the lamp tube 100 having double-sided light exiting along the section line 2-2' in FIG. 1 according to an embodiment of the present invention. 3 is a cross-sectional view showing the first light bar 130 and the second light bar 140 of FIG. 2 taken apart from the discrete hot seat 120. As shown in FIGS. 2 and 3, the lamp tube 100 having double-sided light output includes a hollow tube body 110, a heat sink 120, a first light bar 130, and a second light bar 140.

The inner wall 111 of the hollow tubular body 110 has a corresponding two-plugged portion 116/117. The heat sink 120 is located in the hollow tube body 110, and the first connecting portion 126 and the second connecting portion 128 on the two sides of the heat sink 120 are respectively inserted into the two plug portions 116/117. The heat sink 120 can be an aluminum heat sink made by aluminum extrusion, but not limited thereto. In this embodiment, the first connecting portion 126 and the second connecting portion 128 on both sides of the heat sink 120 are convex portions, and the two plug portions 116/117 of the hollow tubular body 110 are corresponding recesses. The first connecting portion 126 and the second connecting portion 128 are respectively fixed to the two plug portions 116/117 by the fitting of the convex portion and the concave portion. In other embodiments, the first connecting portion and the second connecting portion on both sides of the heat sink 120 may be recesses, and the two plug portions of the hollow tube body 110 are corresponding protrusions (not shown in the drawing). The convex portion can be fitted to the concave portion correspondingly.

The heat sink 120 has two opposing first surfaces 122 and second surfaces 124. The first light bar 130 is located on the first surface 122 of the heat sink 120 , and the second light bar 140 is located on the second surface 124 of the heat sink 120 . In this embodiment, the first surface 122 of the heat sink 120 has a first fitting seat 122a for the first light bar 130 to be inserted thereon. In addition, the second surface 124 has a second fitting seat 124a for the second light bar 140 to be inserted thereon. Therefore, the first light bar 130 is fixed to the second light bar 140 by the first light bar 130 inserted into the first fitting seat 122a and the second light bar 140 is inserted into the second fitting seat 124a. On the opposite surface of the heat sink 120. It should be understood that the present embodiments are merely illustrative and not intended to limit the implementation of the invention.

Further, the first light bar 130 has a plurality of first light emitting units 132 (please refer to FIG. 1 at the same time). The plurality of first light emitting units 132 are equally spaced on the first substrate 134, and the second light bar 140 has a plurality of second light emitting units 142 (please refer to FIG. 1 at the same time), and the plurality of second light emitting units 142 The arrangement of the first light-emitting unit 132 and the second light-emitting unit 142 is not limited thereto. In this embodiment, the position of each of the first light emitting units 132 and the corresponding second light emitting unit 142 are aligned with each other with respect to the heat sink 120, that is, each of the first light emitting units 132 and the second light corresponding thereto The center of the unit 142 will be located on the same axis L ₁ , but not limited thereto.

Embodiment, the first light emitting unit is greater than the maximum linear distance d ₁ of the second hollow tube 142 to the light emitting unit 110 to the maximum linear distance 132 of hollow tube 110 in this embodiment d _2, such that the first light emitting unit 132 emits The intensity of the light source when the light source is emitted on the surface of the hollow tube 110 is smaller than the intensity of the light source when the light source emitted from the second light emitting unit 142 emits light on the surface of the hollow tube 110, but is not limited thereto. In other embodiments, the maximum distance from the first light emitting unit 132 to the hollow tubular body 110 may also be equal to or smaller than the maximum distance from the second light emitting unit 142 to the hollow tubular body 110.

At least one of the first light emitting unit 132 and the second light emitting unit 142 described in this embodiment may be configured as a light emitting diode. The light-emitting diodes may be white light-emitting diodes, ultraviolet light-emitting diodes, or visible light-emitting diodes. However, the types of light-emitting units that can be used as the first light-emitting unit 132 and the second light-emitting unit 142 are not limited thereto.

In this embodiment, the hollow tube body 110 further includes at least one color temperature conversion layer 150 disposed on the outer surface of the hollow tube body 110 facing the first light bar 130 for changing the light from the first light bar 130. The color temperature is not limited to this. In other embodiments, the color temperature conversion layer may also be laid on the outer surface of the hollow tube body 110 facing the second light bar 140 (not shown on the drawing). The color temperature of the light emitted from the second light bar 140. In addition, the color temperature conversion layer may also be laid on the inner surface of the hollow tube body 110, but is not limited thereto. For example, the position and area of the color temperature conversion layer 150 may cover the position and area of the light emitted from the first light bar 130 on the outer surface of the hollow tube 110, so that all the light emitted from the first light bar 130 The light source can be emitted from the hollow tube body 110 after being converted into a color temperature by the color temperature conversion layer 150. In the embodiment, when the first light bar 130 and the second light bar 140 are the same color temperature light bar, the light source of the first light bar 130 in the hollow tube body 110 can be made by the color temperature conversion layer 150. Different from the color temperature of the light source of the second light bar 140 in the hollow tube body 110, the double-sided light-emitting tube 100 can further emit light from two different color temperatures from the hollow tube body 110 in addition to the double-sided light output. Double-sided light. It should be understood that the present embodiments are merely illustrative and not intended to limit the implementation of the invention.

It can be seen from the above-mentioned embodiments of the present invention that the application of the present invention has the following advantages:

(1) The lamp tube with double-sided light emission of the present invention is arranged in a light-transmissive hollow tube body through a simple assembly manner of the first light strip and the second light strip with opposite light directions, and is simultaneously disposed in the heat dissipation manner. The opposite first surface and the second surface of the seat enable the lamp to simultaneously have the effect of double-sided light output. Therefore, the present invention has the advantage of being easy to assemble on the production of the lamp tube.

(2) The light source emitted by the first light bar and the second light bar can simultaneously emit light from the hollow tube body after the light tube with double-sided light emission is illuminated by the power. Since the first light emitting direction of the first light bar and the second light emitting direction of the second light bar are opposite to each other, the hollow tube body On both sides, there is a light source to emit light, and a lamp having a double-sided light is formed.

(3) The lamp with double-sided light emission of the present invention is arranged on the heat sink at the same time because the first light bar and the second light bar are disposed at the same time, so that the parts in the light pipe with double-sided light are compared with the two general light-emitting lamps. Less management. Therefore, the lamp with double-sided illumination of the present invention has a lower cost.

100‧‧‧ lamp

110‧‧‧ hollow body

110a‧‧‧End

111‧‧‧ inner wall

112‧‧‧End cover

114‧‧‧terminal

128‧‧‧Second connection

130‧‧‧First light strip

130a‧‧‧First light direction

132‧‧‧First lighting unit

134‧‧‧First substrate

140‧‧‧Second light strip

116, 117‧‧‧ Sockets

120‧‧‧ Heat sink

122‧‧‧ first surface

122a‧‧‧ first fitting seat

124‧‧‧ second surface

124a‧‧‧Second fitting

126‧‧‧First connection

140a‧‧‧Second light direction

142‧‧‧second lighting unit

144‧‧‧second substrate

150‧‧‧Color temperature conversion layer

L ₁ ‧‧‧ axis

d ₁ ‧‧‧distance

d ₂ ‧‧‧distance

2-2’‧‧‧ hatching

The above and other objects, features, advantages and embodiments of the present invention will become more apparent and understood. The description of the drawings is as follows: FIG. 1 is a diagram showing a lamp having double-sided light emission according to an embodiment of the present invention. A cross-sectional view of the tube in the long axis direction.

Fig. 2 is a cross-sectional view along line 2-2' of Fig. 1 showing a lamp having double-sided light exiting according to an embodiment of the present invention.

Figure 3 is a cross-sectional view showing the first light bar and the second light bar split discrete hot seat in the lamp tube of Figure 2.

100‧‧‧ lamp

110‧‧‧ hollow body

110a‧‧‧End

112‧‧‧End cover

114‧‧‧terminal

120‧‧‧ Heat sink

122‧‧‧ first surface

124‧‧‧ second surface

130‧‧‧First light strip

130a‧‧‧First light direction

132‧‧‧First lighting unit

134‧‧‧First substrate

140‧‧‧Second light strip

140a‧‧‧Second light direction

142‧‧‧second lighting unit

144‧‧‧second substrate

2-2’‧‧‧ hatching

Claims (10)

A lamp having a double-sided light discharge, comprising: a hollow pipe body having a corresponding two plug portion on an inner wall thereof; a heat sink seat located in the hollow pipe body, and the heat sink seat has phases on both sides thereof Corresponding to the first connecting portion and the second connecting portion, the first connecting portion and the second connecting portion are respectively inserted into the two connecting portions, the heat sink having opposite first and second surfaces; a first light strip on the first surface of the heat sink; and a second light strip on the second surface of the heat sink. The lamp having double-sided light discharge according to the first aspect of the invention, wherein the first connecting portion and the second connecting portion are concave portions, and the two connecting portions are corresponding convex portions, or the first connecting portion The second connecting portion is a convex portion and the two insertion portions are corresponding concave portions. The lamp having a double-sided light discharge according to the first aspect of the invention, wherein the first surface of the heat sink has a first fitting seat on which the first light bar is inserted, the second surface There is a second fitting seat on which the second light bar is inserted. The lamp tube with double-sided light discharge as described in claim 1 further includes a two-end cover, which is respectively sleeved at both ends of the pipe body. Double-sided light as described in item 1 of the patent application scope The lamp tube, wherein the first light bar and the second light bar may have the same or different color temperature and/or illuminating intensity and/or illuminating wavelength. The lamp having double-sided light discharge according to claim 1, wherein the first light bar has a plurality of first light-emitting units, and the second light bar has a plurality of second light-emitting units, wherein each of the plurality of light-emitting units The positions of the first light emitting unit and each of the second light emitting units are aligned with each other. The lamp having double-sided light emission as described in claim 6 , wherein the first light-emitting units and/or the second light-emitting units are formed by light-emitting diodes. The lamp having double-sided light emission as described in claim 7 , wherein the light-emitting diode is an ultraviolet light-emitting diode or a visible light-emitting diode. The lamp tube having the double-sided light discharge according to the first aspect of the invention, wherein the hollow tube body further comprises at least one color temperature conversion layer disposed on the first light bar and/or the second light bar. The outer surface of the hollow tube body is used to change the color temperature of the light emitted from the first light bar and/or the second light bar. The lamp having double-sided light discharge according to claim 1, wherein the first light bar and the second light bar have opposite light directions.