CN2908985Y

CN2908985Y - Lighting device

Info

Publication number: CN2908985Y
Application number: CNU2005201454332U
Authority: CN
Inventors: 沈育浓
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-11-30
Filing date: 2005-11-30
Publication date: 2007-06-06
Anticipated expiration: 2015-11-30

Abstract

A lighting device comprises a transparent holly shell having two open ends and two insulation plug which is equipped with a support gutter on its surface, for closing the two open ends; a light transmitters comprises a transparent light guide plate in the shell, which have two ends extended to the support gutter of insulation plug; at least one crystal of light emitting diode which is equipped with a projected surface of light attached to the bottom surface of the transparent light guide plate, a non-projected surface of light vertical to the projected surface of light, a plurality of pad mounted on the non-projected surface of light, a installation baseplate, a arrangement surface of circuit path and the circuit path. The light emitting diode is used to electrically connecting the pad to the conductive coupling of the circuit path. The utility model has the advantages of less power consumption, high brightness and long service life.

Description

Lighting device

[technical field]

The utility model is about a kind of lighting device, the lighting device of particularly low about a kind of power consumption, high brightness and long service life.

[background technology]

The lighting device that is widely used at present, particularly indoor lighting device mainly is bulb and fluorescent lamp.Wherein, more welcome with fluorescent lamp again for the consideration of price, service life and power consumption factor, particularly in the office space.Yet, though the service life of fluorescent lamp is long than bulb, if quite short by comparison with light emitting diode.In addition, aspect brightness, light emitting diode is also good than fluorescent lamp.On the other hand, light emitting diode is also low than fluorescent lamp aspect power consumption.

Though light emitting diode has aforesaid advantage, yet, if will be applied to light emitting diode in the existing building, must spend huge fund on aspect socket, distribution or the like and change, like this and do not meet economic benefit.

[utility model content]

The purpose of this utility model be to provide that a kind of power consumption is low, the lighting device of high brightness and long service life.

In order to achieve the above object, the utility model provides a kind of lighting device, it is characterized in that: comprise: a printing opacity hollow shell, this shell has the insulation end plugs that two open end and two are respectively applied for the corresponding open end of sealing, and each end plug is to be formed with a propclip ditch on the surface within it; An and light emission unit, comprise: one places the transparent light guide plate in this shell, the two ends of this transparent light guide plate are to extend to respectively in the propclip ditch of end plug of a correspondence, at least one LED wafer, this at least one LED wafer has a light outgoing plane that is pasted to the bottom surface of this transparent light guide plate, the one non-light outgoing plane relative with this light outgoing plane, and several are installed on the weld pad on this non-light outgoing plane, an and installation base plate, this installation base plate has circuit tracks surface and is laid in the lip-deep circuit trace that is used for electric power is fed to this at least one LED wafer of this circuit tracks, and this at least one LED wafer is that the conductive projection via the circuit trace of the lip-deep correspondence of circuit tracks that the weld pad of this at least one LED wafer electrically is connected to this installation base plate is installed on the circuit tracks surface of this installation base plate.

The utility model also provides a kind of lighting device, it is characterized in that: comprise: a printing opacity hollow shell, this shell has the insulation end plugs that two open end and two are used for sealing respectively corresponding open end, and each end plug is to be formed with a propclip ditch on the surface within it; An and light emission unit, comprise: one places the transparent light guide plate in this shell, the two ends of this transparent light guide plate are that the horizontal-extending that extends to the end plug of a correspondence respectively presss from both sides in the ditch, this transparent light guide plate has a bottom surface, preposition in this bottom surface is to be laid with circuit trace, and at least one LED wafer, this at least one LED wafer has a light outgoing plane and several and is installed on weld pad on this light outgoing plane, and this at least one LED wafer is that the conductive projection via the circuit trace of the correspondence of the bottom surface that the weld pad of this at least one LED wafer electrically is connected to this transparent light guide plate is installed on the bottom surface of this transparent light guide plate.

The utility model also provides a kind of lighting device, it is characterized in that: comprise: a printing opacity hollow shell, this shell have two open end and two insulation end plugs that are respectively applied for the corresponding open end of sealing; An and light emission unit, comprise: a slice installation base plate at least, this at least a slice installation base plate have one and be laid with the circuit tracks surface of circuit trace and be to be pasted on the inner surface of end plug of a correspondence, and at least one LED wafer, this at least one LED wafer has a light outgoing plane, the one non-light outgoing plane relative with this light outgoing plane, and several are installed on weld pad on this non-light outgoing plane, the weld pad of this at least one LED wafer be via conductive projection come with this at least the lip-deep corresponding circuit trace of the circuit tracks of a slice installation base plate be electrically connected so that this at least one LED wafer is towards being installed in this under another end plug at least on the circuit tracks surface of a slice installation base plate at its light outgoing plane.

In sum, lighting device of the present utility model has not only that power consumption is low, the advantage of high brightness and long service life, simultaneously, can be easy light emitting diode be applied in the existing building, need not do change aspect socket, distribution or the like, can save huge fund, meet economic benefit.

[description of drawings]

Fig. 1 is the signal part exploded perspective view for the lighting device that shows first preferred embodiment of the present utility model;

Fig. 2 is the signal assembled sectional view for the lighting device that shows first preferred embodiment of the present utility model;

Fig. 3 is the signal connection calcspar for the transformation of the lighting device that shows first preferred embodiment of the present utility model and mu balanced circuit unit;

Fig. 4 is a diagram similar to Fig. 2, but the inner surface of this printing opacity hollow shell is to be coated with a fluorescent layer;

Fig. 5 is the schematic sectional view for the light emission unit of the lighting device that shows first preferred embodiment of the present utility model;

Fig. 6 is the schematic sectional view for the light emission unit of the lighting device that shows second preferred embodiment of the present utility model;

Fig. 7 is the schematic sectional view for the light emission unit of the lighting device that shows the 3rd preferred embodiment of the present utility model;

Fig. 8 is the schematic sectional view for the light emission unit of the lighting device that shows the 4th preferred embodiment of the present utility model;

Fig. 9 is the signal part exploded perspective view for the lighting device that shows the 5th preferred embodiment of the present utility model;

Figure 10 is the schematic sectional view for the lighting device that shows the 5th preferred embodiment of the present utility model;

Figure 11 is the schematic sectional view for the lighting device that shows the 6th preferred embodiment of the present utility model;

Figure 12 is the schematic sectional view for the lighting device that shows the 7th preferred embodiment of the present utility model;

Figure 13 is the schematic sectional view for the lighting device that shows the 8th preferred embodiment of the present utility model;

Figure 14 is the schematic sectional view for another feasible selection of the lighting device that shows the 8th preferred embodiment of the present utility model;

Figure 15 is the schematic sectional view for the lighting device that shows the 9th preferred embodiment of the present utility model;

Figure 16 is the schematic sectional view for the lighting device that shows the tenth preferred embodiment of the present utility model;

Figure 17 is the schematic plan view for the end plug in the lighting device that shows the tenth preferred embodiment of the present utility model;

Figure 18 is the schematic isometric for the leaded light bar in the lighting device that shows the tenth preferred embodiment of the present utility model;

Figure 19 is the schematic sectional view for the lighting device that shows the 11 preferred embodiment of the present utility model; And

Figure 20 is the schematic sectional view for the lighting device that shows the 12 preferred embodiment of the present utility model.

Figure 20 A is the A part partial enlarged drawing of Figure 20, and Figure 20 B is the A part local side schematic diagram of Figure 20.

[specific embodiment]

Fig. 1,2 is respectively part exploded perspective schematic diagram and the schematic sectional view for the lighting device that shows first preferred embodiment of the present utility model.

See also shown in Fig. 1,2, lighting device of the present utility model comprises a lamp guide 1 and a light emission unit 2 haply.

In the present embodiment, this shell 1 is by making with the fluorescent-lamp tube identical materials.Yet, should be noted that this shell 1 can also be made by any other light transmissive material that is fit to, for example, by making with the cold cathode ray tube identical materials.On the other hand, in the present embodiment, this shell 1 is to be shown as tubulose, yet this shell 1 can also be any suitable shape.

This shell 1 has two open end and two end plugs 10 that are used for sealing respectively corresponding open end.These end plugs 10 are to be made by insulating materials.Each end plug 10 have a body that places this shell 1 outside partly 100, one from this body partly 100 inner surface extend to this shell 1 inside with the horizontal-extending that can prevent this end plug 10 and break away from from this shell 1 partly 101, and a pair of this body partly 100 and this horizontal-extending perforation 102 of 101 partly that runs through.In the present embodiment, be to be formed with a propclip ditch 103 on 101 the inner surface partly in the horizontal-extending of each end plug 10.

Please cooperate and consult Fig. 3 and shown in Figure 5, this light emission unit 2 comprises a transparent light guide plate 20, several light emitting diodes (LED) wafer 21, an installation base plate 22, a transformation and mu balanced circuit unit 23, reaches two pairs of power supply supplying electrodes 24.

In the present embodiment, this transparent light guide plate 20 has a circular arc end face so that the light that is emitted by these LED wafers 21 can have wider ejaculation scope.This transparent light guide plate 20 is to be made by any suitable transparent material, for example glass, acryl etc.The two ends of this transparent light guide plate 20 respectively have an outward extending horizontal fin 200.Each horizontal fin 200 is to extend in the propclip ditch 103 of end plug 10 of a correspondence so that this transparent light guide plate 20 is fixed in this shell 1.

These LED wafers 21 can be for the LED wafer that can get on the market at present or be disclosed LED wafer packaging body in No. the 92128459th, TaiWan, China patent application case and No. 93101125 case.In the present embodiment, these LED wafers 21 respectively have a light outgoing plane 210, a non-light outgoing plane 211 relative with this light outgoing plane 210, and several be arranged at weld pad (demonstration in graphic) on this non-light outgoing plane 211.The light outgoing plane 210 of each LED wafer 21 be pasted to this transparent light guide plate 20 with this circular arc end face opposed bottom surface.

This installation base plate 22 can be to be a flexible circuit board, a hard circuit board or any carrier that is suitable for laying circuit trace on its surface.This installation base plate 22 has a circuit tracks surface 220 that is laid with the circuit trace (not shown).These LED wafers 21 are to be installed on the circuit tracks surface 220 of this installation base plate 22 via the conductive projection 212 that the weld pad of these LED wafers 21 electrically is connected in the circuit trace of the correspondence on the circuit tracks surface 220 of this installation base plate 22.In the present embodiment, these LED wafers 21 are to be in line on the circuit tracks surface 220 of this installation base plate 22.Yet, should be appreciated that these LED wafers 21 can also be arranged in the form of matrix on the circuit tracks surface 220 of this this installation base plate 22.

Each is to run through the perforation 102 of a correspondence so that one in two end is that to extend in this shell 1 outside and another person extends within this shell 1 to each the power supply supplying electrode in the power supply supplying electrode 24.In the end of these power supply supplying electrodes 24 within this shell 1 is to be electrically connected via the corresponding circuit trace on the circuit tracks surface 220 of conductor 25 and this installation base plate 22.The end in this shell 1 outside of these power supply supplying electrodes 24 is to be suitable for coming from outside reception electric power via an electric connector.For example, the end in this shell 1 outside of these power supply supplying electrodes 24 is to be suitable for being connected with the fluorescent light bracket (not shown) of a standard.

In the present embodiment, this transformation and mu balanced circuit unit 23 are to be arranged on the circuit tracks surface 220 of this installation base plate 22 and are electrically to be connected to these LED wafers 21 and electrically to be connected to external communication (AC) power supply 3 receiving electric power and produce driving voltage for these LED wafer 21 usefulness from this external AC power supply 3 via these power supply supplying electrodes 24.

Should be noted that this transformation and mu balanced circuit unit 23 are not subject on the circuit tracks surface 220 that is arranged on this installation base plate 22, it also can be arranged on this shell 1 outside.On the other hand, because this transformation and mu balanced circuit unit 23 are for as everyone knows, its detailed is illustrated in this omission.

Utilize aforesaid structure, because these power supply supplying electrodes 24 can be connected with the fluorescent light bracket of standard, lighting device of the present utility model can directly replace at present on the market fluorescent-lamp tube need not changing existing socket, distribution or the like, and on brightness, life-span and power consumption all than fluorescent-lamp tube excellence.On the other hand, lighting device of the present utility model can also be used the light source as the backlight liquid crystal display module, replaces the general cold cathode ray tube (CCFL) that uses.When the utility model was used as the light source of module backlight, these power supply supplying electrodes 24 were to be suitable for being connected to outside direct current (DC) power supply.

Should be noted that when this installation base plate 22 be during for rigid carrier, the horizontal fin 200 that the two ends of this installation base plate 22 can replace this transparent light guide plate 20 protrudes out in the propclip ditch 103 of end plug 10 of a correspondence.Perhaps, as long as cooperate this transparent light guide plate 20 to change the shape of propclip ditch 103, the two ends of this LGP 20 can be inserted in the corresponding propclip ditch 103 so that this horizontal fin 200 can be exempted.

See also shown in Figure 4ly now, a fluorescent layer 26 can also be formed on the internal face of this shell 1 so that the light that emits from LED wafer 21 can have desirable color when outside being transmitted into shell 1 through this fluorescent layer 26.

Fig. 6 is the diagrammatic side view for the light emission unit 2 of the lighting device that shows second embodiment of the present utility model.

Different with first embodiment, in the present embodiment, installation base plate is exempted.The bottom surface of this transparent light guide plate 20 is to be furnished with circuit trace (not showing in Fig. 6).The weld pad of these LED wafers 21 is to be arranged on this light outgoing plane 210 and is the circuit trace that electrically is connected to the correspondence on the bottom surface of this transparent light guide plate 20 via conductive projection 212 that these LED wafers 21 are to be installed on the bottom surface of this transparent light guide plate 20 whereby.

Fig. 7 is the diagrammatic side view for the light emission unit 2 of the lighting device that shows the 3rd embodiment of the present utility model.

Different with first embodiment, the bottom surface of this transparent light guide plate 20 is to be formed with a groove 202 and these LED wafers 21 are to be placed in this groove 202.

Fig. 8 is the diagrammatic side view for the light emission unit 2 of the lighting device that shows the 4th embodiment of the present utility model.

Different with second embodiment, the bottom surface of this transparent light guide plate 20 is to be formed with a groove 202 and these LED wafers 21 are to be placed in this groove 202.

Fig. 9,10 is respectively signal exploded perspective view and the schematic sectional view for the lighting device that shows the 5th embodiment of the present utility model.

The lighting device of present embodiment comprises as mentioned above a printing opacity hollow shell 1 and and is installed on light emission unit 2 ' within this shell 1.

Because this shell 1 is identical with disclosed shell in first preferred embodiment, its detailed is illustrated in this omission.

In the present embodiment, each end plug 10 is not except having the propclip ditch, and it structurally is identical with the end plug of this first preferred embodiment, and therefore, its detailed is illustrated in this omission.

This light emission unit 2 ' comprises an installation base plate 22 ', several LED wafers 21, a transformation and mu balanced circuit unit (not showing) and two pairs of power supply supplying electrodes 26 in Fig. 9,10.

This installation base plate 22 ' is for a flexible base plate and is to be close on the inner surface of this shell 1 so that it has a roughly cross section of U-shaped.This installation base plate 22 ' has circuit tracks surface 220 and one reflector layer 221 (only showing) that is formed on this circuit tracks surface 220 that is laid with circuit trace 28 in Figure 10.Identical with first preferred embodiment, the circuit trace 28 of this installation base plate 22 ' is to be electrically connected with corresponding power supply supplying electrode 24 via conductor (not showing in Fig. 9,10).

Identical with first preferred embodiment, these LED wafers 21 are to be installed on the circuit tracks surface 220 of this installation base plate 22 ' so that the weld pad of these LED wafers 21 is corresponding circuit trace 28 on the circuit tracks surface 220 with this installation base plate 22 ' is electrically connected via conductive projection 212 (only showing in Figure 10), and so that these LED wafers 21 are to place the central part of U-shaped and have this reflector layer 221 in the both sides of LED wafer 21.In the present embodiment, these LED wafers 21 are to be in line on the circuit tracks surface 220 of this installation base plate 22 '.

In the present embodiment, this transformation and mu balanced circuit unit on structure and function be with in the transformation described in first preferred embodiment and the mu balanced circuit unit is identical so it is detailed is illustrated in this omission.

Figure 11 shows the schematic sectional view of the lighting device of the 6th embodiment of the present utility model.

See also shown in Figure 11ly, different with the 5th embodiment, the installation base plate 22 ' of present embodiment is not form reflector layer for transparent flexible base plate and on this installation base plate 22 '.The shell 1 of present embodiment also is formed with a reflector layer 222 on this installation base plate 22 ' interior surface opposing so that light is to leave this shell 1 in the primary event mode in its with being provided with.

Figure 12 shows the schematic sectional view of the lighting device of the 7th embodiment of the present utility model.

See also shown in Figure 12ly, different with the 5th and six embodiment, in the present embodiment, these end plugs 10 have an identical structure of the end plug with first preferred embodiment, so its detailed explanation is omitted.This installation base plate 22 ' be for a transparent rigid substrate and its two ends be to be inserted into respectively in the propclip ditch 103 of end plug 10 of a correspondence, can be set at this shell 1 inside.This installation base plate 22 ' has a circuit tracks surface 220 that is laid with circuit trace (not showing) in Figure 12.

Identical with first preferred embodiment, the weld pad of these LED wafers 21 is to be electrically connected so that these LED wafers 21 are to be installed on the circuit tracks surface 220 of this installation base plate 22 ' via the corresponding circuit trace on the circuit tracks surface 220 of conductive projection 212 and this installation base plate 22 '.One reflector layer 222 be formed in this shell 1 on the inner surface of the light outgoing plane 210 of these LED wafers 21 so that the light that is sent by these LED wafers 21 is to leave this shell 1 in the primary event mode.

Figure 13 is a schematic sectional view that shows the 8th embodiment of the present utility model.

See also shown in Figure 13ly, the lighting device of the 8th embodiment of the present utility model comprises as mentioned above a shell 1 and a light emission unit.

This shell 1 structurally is identical with the shell of first preferred embodiment, so it is described in detail in this omission.

This light emission unit comprises two installation base plates 22 ", two LED wafers 21 ', two reflection shields 29 and two transformations and mu balanced circuit unit (in Figure 13, not showing).

These two installation base plates 22 " respectively be one to have the metal base substrate (metal-based substrate) of a sandwich construction of forming by metal level and insulating barrier can have more the function of a heat radiation than resin substrate.Each installation base plate 22 " have one and be laid with the circuit tracks surface 220 of circuit trace (in Figure 13, not showing) and be to be pasted on the inner surface of end plug 10 of a correspondence.These installation base plates 22 " circuit trace be to be electrically connected with corresponding power supply supplying electrode 24.

The weld pad of each LED wafer 21 ' is via conductive projection 212 installation base plate 22 corresponding with " circuit tracks surface 220 on corresponding circuit trace be electrically connected so that each LED wafer 21 ' is to be installed in this corresponding installation base plate 22 " circuit tracks surface 220 on.Should be noted that because these installation base plates 22 " have the function of heat radiation, enough dispersed effectively by the heat energy that these LED wafers 21 ' produced.

These two reflection shields 29 are installation base plates 22 of respectively being located at a correspondence " go up so that this LED wafer 21 ' is to be positioned at the central part of this reflection shield 29 to reach reflective effect.

This isallobaric and mu balanced circuit unit is the driving electric power that is used to receive outside electric power and produces corresponding LED wafer 21 '.Because should be isallobaric and the mu balanced circuit unit be identical on structure and function with the transformation and the mu balanced circuit unit of first preferred embodiment, its detailed explanation so be omitted.

Figure 14, the 15th shows the schematic sectional view of the lighting device of the 9th embodiment of the present utility model.Different with the 8th embodiment, in the present embodiment, this shell 1 inside is to be injected into to resemble the inert gas as the xenon or resemble liquid dye or fluorescent agent (being to represent with dot) as the polarisation dying agent in Figure 14.Perhaps, this shell 1 inside is to fill (being to represent with short lines) with optical fiber in Figure 15.One of them end of every optical fiber be provided with fluorescent material in order to light emission to shell 1 outside.

Figure 16 is a schematic sectional view that shows the lighting device of the tenth embodiment of the present utility model.

See also shown in Figure 16ly, different with the 8th embodiment, each end plug 10 is to be formed with an annular groove 104 (as shown in Figure 17) on 101 the inner surface partly at its horizontal-extending.

Please cooperate and consult shown in Figure 180ly, the lighting device of present embodiment also comprises a columned transparent light guide bar 27.The two ends of this leaded light bar 27 partly are respectively to be formed with an outward extending annular lip 270.Each flange 270 is to be inserted in the annular groove 104 of end plug 10 of a correspondence so that this leaded light bar 27 is arranged in this shell 1 and so that each LED wafer 21 ' is to be positioned at one by within an annular lip 270 formed space of end face corresponding with of this leaded light bar 27.

Figure 19 is a schematic sectional view that shows the lighting device of the 11 embodiment of the present utility model.

See also shown in Figure 19ly, different with the tenth embodiment, this leaded light bar 27 is to be formed with several bubbles 271 so that the light that penetrates from LED wafer 21 ' is that the change direction is left this shell 1 when run into bubble 271 after entering leaded light bar 27 in inside.

Should be noted that leaded light bar 27 also can be applicable to the 8th embodiment and other embodiment.On the other hand, also can be formed with as mentioned above a fluorescent layer on the inner surface of the shell 1 of the in the 5th to nine embodiment.Perhaps, also can be applicable among any one embodiment as inert gas as the xenon or liquid dye or the fluorescent agent as the agent of kine bias photoinitiator dye.

Figure 20 is a diagrammatic side view that shows the lighting device of the 12 embodiment of the present utility model.

See also shown in Figure 20,20A, the 20B, different with the 11 embodiment, this leaded light bar 27 is to be formed with several monocline bubbles 271 ' in inside.Each bubble 271 ' has one towards being surfaces of tilting so that the light that penetrates from LED wafer 21 ' is that the change direction is left this shell 1 entering behind the leaded light bar 27 when running into bubble 271 ' with its more approaching LED wafer 21 ' and with respect to the longitudinal axis of this leaded light bar 27.In addition, reflecting layer be laid in this leaded light bar 27 towards light leave this shell 1 direction the surface partly on.Should be noted that as shown in the figure the size near the bubble 271 ' of the central part of this leaded light bar 27 is big more so that the light that penetrates from LED wafer 21 ' can penetrate from this leaded light bar 27 fifty-fifty more.

Claims

1. lighting device is characterized in that: comprise:

One printing opacity hollow shell, this shell have two open end and two insulation end plugs that are respectively applied for the corresponding open end of sealing, and each end plug is formed with a propclip ditch on the surface within it; And

One light emission unit comprises:

One places the transparent light guide plate in this shell, and the two ends of this transparent light guide plate are to extend to respectively in the propclip ditch of end plug of a correspondence,

At least one LED wafer, this at least one LED wafer have a light outgoing plane that is pasted to the bottom surface of this transparent light guide plate, a non-light outgoing plane relative with this light outgoing plane, and several be installed on weld pad on this non-light outgoing plane, and

One installation base plate, this installation base plate has circuit tracks surface and is laid in the lip-deep circuit trace of this circuit tracks, and this at least one LED wafer is electrically to be connected to the conductive projection of circuit trace of the lip-deep correspondence of circuit tracks of this installation base plate with on the circuit tracks surface that is installed on this installation base plate by the weld pad with this at least one LED wafer.

2. lighting device as claimed in claim 1 is characterized in that: the internal face of this shell is to be coated with a fluorescent layer.

3. lighting device as claimed in claim 1, it is characterized in that: each end plug has a body that places this housing exterior partly, one inner surface from this body part extends to the horizontal-extending part of this enclosure, and a pair of this body part and this horizontal-extending perforation partly of running through, this light emission unit also comprises two pairs of power supply supplying electrodes, each is to run through the perforation of a correspondence so that one in two end is to extend in this housing exterior and another person extends within this shell to each the power supply supplying electrode in the power supply supplying electrode, and the end of this power supply supplying electrode within this shell is to be electrically connected with the lip-deep corresponding circuit trace of the circuit tracks of this installation base plate via conductor.

4. lighting device as claimed in claim 3, it is characterized in that: the horizontal-extending of each end plug partly is to be formed with this propclip ditch, this transparent light guide plate has a circular arc end face to disperse the light that is emitted by this at least one LED wafer, the two ends of this transparent light guide plate respectively have an outward extending horizontal fin, and each horizontal fin is to extend in the propclip ditch of end plug of a correspondence so that this transparent light guide plate is fixed within this shell.

5. lighting device is characterized in that: comprise:

One printing opacity hollow shell, this shell have the insulation end plugs that two open end and two are used for sealing respectively corresponding open end, and each end plug is to be formed with a propclip ditch on the surface within it; And

One light emission unit comprises:

One places the transparent light guide plate in this shell, and the two ends of this transparent light guide plate are that the horizontal-extending that extends to the end plug of a correspondence respectively presss from both sides in the ditch, and this transparent light guide plate has a bottom surface, in certain position of this bottom surface is to be laid with circuit trace, reaches

At least one LED wafer, this at least one LED wafer has a light outgoing plane and several and is installed on weld pad on this light outgoing plane, and this at least one LED wafer is that conductive projection via the circuit trace of the correspondence of the bottom surface that the weld pad of this at least one LED wafer electrically is connected to this transparent light guide plate is with on the bottom surface that is installed on this transparent light guide plate.

6. lighting device as claimed in claim 5 is characterized in that: the internal face of this shell is to be coated with a fluorescent layer.

7. lighting device as claimed in claim 5, it is characterized in that: each end plug has a body that places this housing exterior partly, one inner surface from this body part extends to the horizontal-extending part of this enclosure, and a pair of this body part and this horizontal-extending perforation partly of running through, this light emission unit also comprises two pairs of power supply supplying electrodes, each is to run through the perforation of a correspondence so that one in two end is to extend in this housing exterior and another person extends within this shell to each the power supply supplying electrode in the power supply supplying electrode, and the end of each power supply supplying electrode of this within this shell is to be electrically connected with the corresponding conductive traces of the bottom surface of this transparent light guide plate via conductor.

8. lighting device as claimed in claim 7, it is characterized in that: the horizontal-extending of each end plug partly is to be formed with a propclip ditch, this transparent light guide plate has a circular arc end face to disperse the light that is emitted by this at least one LED wafer, the two ends of this transparent light guide plate respectively have an outward extending horizontal fin, and each horizontal fin is to extend in the propclip ditch of end plug of a correspondence so that this transparent light guide plate is fixed within this shell.

9. lighting device is characterized in that: comprise:

One printing opacity hollow shell, this shell have two open end and two insulation end plugs that are respectively applied for the corresponding open end of sealing; And

One light emission unit comprises:

At least a slice installation base plate, this at least a slice installation base plate have one and be laid with the circuit tracks surface of circuit trace and be to be pasted on the inner surface of end plug of a correspondence, and

At least one LED wafer, this at least one LED wafer has a light outgoing plane, the one non-light outgoing plane relative with this light outgoing plane, and several are installed on weld pad on this non-light outgoing plane, the weld pad of this at least one LED wafer be via conductive projection come with this at least the lip-deep corresponding circuit trace of the circuit tracks of a slice installation base plate be electrically connected so that this at least one LED wafer is towards being installed on this under another end plug state at least on the circuit tracks surface of a slice installation base plate at its light outgoing plane.

10. lighting device as claimed in claim 9, it is characterized in that: each end plug has a body that places this housing exterior partly, one inner surface from this body part extends to the horizontal-extending part of this enclosure, and a pair of this body part and this horizontal-extending perforation partly of running through, this at least a slice installation base plate be to be pasted on the horizontal-extending inner surface partly of this end plug, this light emission unit also comprises two pairs of power supply supplying electrodes, each is to run through the perforation of a correspondence so that one in two end is to extend in this housing exterior and another person extends within this shell to each the power supply supplying electrode in the power supply supplying electrode, the end of each power supply supplying electrode of this within this shell be with this at least the lip-deep corresponding circuit trace of circuit tracks of a slice installation base plate be electrically connected.

11. lighting device as claimed in claim 10, it is characterized in that: each end plug is to be formed with an annular groove on its horizontal-extending inner surface partly, this lighting device also comprises a columned transparent light guide bar, the two ends of this leaded light bar partly are respectively to be formed with an outward extending annular lip, and each flange is to be inserted in the annular groove of end plug of a correspondence so that this leaded light bar is arranged in this shell and so that each LED wafer is to be positioned at one by within an annular lip formed space of end face corresponding with of this leaded light bar.

12. lighting device as claimed in claim 11 is characterized in that: this leaded light bar is formed with several and changes the bubble that light penetrates direction in inside.

13. lighting device as claimed in claim 9 is characterized in that: this enclosure is to be injected with inert gas.

14. lighting device as claimed in claim 9 is characterized in that: this enclosure is to be injected with liquid dye or fluorescent agent.

15. lighting device as claimed in claim 9 is characterized in that: this enclosure is to fill with optical fiber, one of them end of every optical fiber be provided with fluorescent material in order to light emission to housing exterior.

16. lighting device as claimed in claim 9, it is characterized in that: this light emission unit also comprises at least one reflection shield, this at least one reflection shield be located at this at least on a slice installation base plate so that this at least one LED wafer is to be positioned at the central part of this reflection shield to reach reflective effect.