CN103256500A - LED tube - Google Patents
LED tube Download PDFInfo
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- CN103256500A CN103256500A CN2013101232938A CN201310123293A CN103256500A CN 103256500 A CN103256500 A CN 103256500A CN 2013101232938 A CN2013101232938 A CN 2013101232938A CN 201310123293 A CN201310123293 A CN 201310123293A CN 103256500 A CN103256500 A CN 103256500A
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- plate body
- emitting diode
- light
- heat
- lamp tube
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention provides an LED tube comprising a lamp shell, two end caps, two groups of electrodes, a heat radiation substrate, at least one circuit layer and at least one LED array. The lamp shell is shaped in a long tube, and the two end caps are configured at two opposite ends of the lamp shell and combined with the lamp shell to form a tubular body. The two groups of electrodes are configured to the two end caps. The heat radiation substrate is fixed in the tubular body and comprises N+2 substrate units, the N is larger than or equal to 1, two opposite elongated shafts of the N+1st substrate unit are respectively connected with the Nth substrate unit and the N+2nd substrate unit so as to bend the N+2nd substrate unit into a polygonal structure. The circuit layers are configured to at least one substrate unit. The LED arrays are configured on the substrate units with the circuit layers and are electrically connected with the two groups of electrodes through the circuit layers.
Description
Technical field
The invention relates to a kind of fluorescent tube, and particularly relevant for a kind of light-emitting diode lamp tube.
Background technology
In society now, and light emitting diode (light emitting diode, application LED) is very general and easy to use, and common application has module backlight, desk lamp and fluorescent tube etc.Because the driving voltage of light emitting diode is low, and high life, and is lower than the power consumption of conventional fluorescent fluorescent tube.Therefore, light-emitting diode lamp tube replaces the conventional fluorescent fluorescent tube gradually.
Generally speaking, light-emitting diode lamp tube has two end caps, half-mask lamp housing and metal cooling seat, and the half-mask lamp housing covers on the metal cooling seat, two end caps is fixed on two ends of fluorescent tube again.By metal cooling seat, the light emitting diode lamp plate can be fixed in the fluorescent tube, and fast heat is scattered by metal cooling seat.Because traditional light-emitting diode lamp tube is complicated in assembling, thereby the cost of increase assembling, and be subjected to stopping of metal cooling seat, the rising angle of light emitting diode is limited maybe can't be adjusted, thereby can't reach the effect of extensive angle (for example 270 degree or 360 degree) bright dipping.
Summary of the invention
The object of the present invention is to provide a kind of light-emitting diode lamp tube, in order to improve known radiator structure and lamp plate assembling mode.
For achieving the above object, a kind of light-emitting diode lamp tube of the present invention comprises: lamp housing is elongated tubular; Two end caps are disposed at the opposite end of this lamp housing, and are combined into tubular body with this lamp housing; Two groups of electrodes are disposed at this two end cap; Heat-radiating substrate is fixed in this tubular body, and this heat-radiating substrate comprises N+2 plate body, and N ≧ 1, and wherein these N+1 plate body two relative major axis sides connect this N plate body and this N+2 plate body respectively, so that this N+2 plate body is bent into polygonized structure; Circuit layer is disposed at least one plate body; And at least one light emitting diode matrix, be disposed on the plate body with this circuit layer, and electrically connect by this circuit layer and this two groups of electrodes.
Preferable, this heat-radiating substrate has upper surface and lower surface, and the major axis bending place is the fastening end between each plate body of this upper surface.
Preferable, on this lower surface between each plate body the major axis bending place have indentation, and this indentation is V-type, U-shaped or semi-circular.
Preferable, have the holding section in this lamp housing, the fastening end of itself and this polygonized structure is complementary, so that this heat-radiating substrate is fixed in this tubular body.
Preferable, those plate bodys are bent into isosceles triangular structure, and then this circuit layer is disposed on N+1 the plate body.
Preferable, those plate bodys are bent into equilateral geometric form structure, and then this circuit layer is disposed on each plate body.
Preferable, this heat-radiating substrate comprises metal substrate and insulating barrier, this insulating barrier is formed on the surface of this metal substrate.
Preferable, the material of this metal substrate comprises copper, aluminium or its alloy.
Preferable, the material of this insulating barrier comprises fluoropolymer resin.
Preferable, this lamp housing is glass tube or plastic cement pipe.
Compare with prior art, light-emitting diode lamp tube of the present invention utilizes heat-radiating substrate itself to have heat conduction and bent characteristic, improve the radiator structure of fluorescent tube and the assembling mode of lamp plate, and then reduce the cost of fluorescent tube assembling and improve the luminescent properties of light-emitting diode lamp tube.
For there is better understanding the above-mentioned and other aspect to the present invention, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below:
Description of drawings
Figure 1A and Figure 1B illustrate the light emitting diode lamp plate and do not bend schematic top plan view and side schematic view before.
Fig. 2 A and Fig. 2 B illustrate schematic top plan view and the side schematic view of the light emitting diode lamp plate of another embodiment.
Fig. 3 A and Fig. 3 B illustrate schematic top plan view and the side schematic view of the light emitting diode lamp plate of another embodiment.
The plate body bending that Fig. 4 A～Fig. 4 C illustrates heat-radiating substrate respectively is the schematic diagram of geometric form structure.
The heat-radiating substrate that Fig. 5 A and Fig. 5 B illustrate after the bending is fixed on schematic diagram in the lamp housing with clamping structure.
The heat-radiating substrate that Fig. 6 figure illustrates after bending among another embodiment is fixed on the interior schematic diagram of lamp housing.
The heat-radiating substrate that Fig. 7 figure illustrates after bending among the another embodiment is fixed on the interior schematic diagram of lamp housing.
The specific embodiment
For making purpose of the present invention, structure, feature and function thereof there are further understanding, cooperate embodiment to be described in detail as follows now.
The present embodiment light-emitting diode lamp tube is to utilize all cover lamp housing (for example being glass tube or plastic cement pipe) and heat-radiating substrate, replaces known half-mask lamp housing and metal cooling seat.During assembling, two end caps can directly be fixed on all cover lamp housing.In addition, at least one light emitting diode matrix and at least one circuit layer can directly be configured on arbitrary plate body, part plate body or the whole plate body of heat-radiating substrate.For instance, heat-radiating substrate comprises N+2 plate body, and N ≧ 1, and wherein N+1 plate body two relative major axis sides connect N plate body and N+2 plate body respectively, so that N+2 plate body is bent into polygonized structure.Because after heat-radiating substrate was bent into polygonized structure, the position of light emitting diode matrix and circuit board can be adjusted, and direction of light to change along with polygonal shape, and then reach the effect of adjusting rising angle.
Below be elaborated for proposing embodiment, embodiment in order to as the example explanation, is not the scope in order to limit desire protection of the present invention only.
Please refer to Figure 1A and Figure 1B, it illustrates light emitting diode lamp plate 100 and does not bend schematic top plan view and side schematic view before.Light emitting diode lamp plate 100 comprises heat-radiating substrate 101, circuit layer 102 and one group of light emitting diode matrix 103.Heat-radiating substrate 101 has N+2 plate body, and N is the positive integer more than or equal to 1.For instance: heat-radiating substrate 101 has 3 plate bodys, and second plate body 120 is between first plate body 110 and the 3rd plate body 130, and second plate body 120 liang of relative major axis side S1, S2 connect first plate body 110 and the 3rd plate body 130 respectively.Circuit layer 102 is configurable on arbitrary plate body, for example: circuit layer 102 is disposed on second plate body 120.Light emitting diode matrix 103 is disposed on the plate body (for example second plate body 120) with circuit layer 102.
Then, please refer to Fig. 2 A and Fig. 2 B, it illustrates schematic top plan view and the side schematic view of the light emitting diode lamp plate 100 of another embodiment.Light emitting diode lamp plate 100 comprises heat-radiating substrate 101, two circuit layers 102 and two groups of light emitting diode matrixs 103.Heat-radiating substrate 101 has 3 plate bodys, and second plate body 120 is between first plate body 110 and the 3rd plate body 130, and second plate body 120 liang of relative major axis side S1, S2 connect first plate body 110 and the 3rd plate body 130 respectively.Two circuit layers 102 can be disposed at respectively on wantonly two plate bodys, for example: first circuit layer 102 is disposed on first plate body 110, and second circuit layer 102 is disposed on the 3rd plate body 130.Two groups of light emitting diode matrixs 103 are disposed at respectively on two plate bodys (for example first plate body 110 and the 3rd plate body 130) of each tool circuit layer 102.
Then, please refer to Fig. 3 A and Fig. 3 B, it illustrates schematic top plan view and the side schematic view of the light emitting diode lamp plate 100 of another embodiment.Light emitting diode lamp plate 100 comprises heat-radiating substrate 101, three circuit layers 102 and three groups of light emitting diode matrixs 103.Heat-radiating substrate 101 has 3 plate bodys, and second plate body 120 is between first plate body 110 and the 3rd plate body 130, and second plate body 120 liang of relative major axis side S1, S2 connect first plate body 110 and the 3rd plate body 130 respectively.Three-circuit layer 102 can be disposed at respectively on three plate bodys, for example: first circuit layer 102 is disposed on first plate body 110, and second circuit layer 102 is disposed at second plate body 120, and tertiary circuit layer 102 is disposed on the 3rd plate body 130.Three groups of light emitting diode matrixs 103 are disposed at respectively on three plate bodys of each tool circuit layer 102.
In Figure 1B, Fig. 2 B and Fig. 3 B, heat-radiating substrate 101 comprises metal substrate 104 and insulating barrier 105, and insulating barrier 105 is formed at the surface of metal substrate 104.Therefore, can be electrically insulated each other by insulating barrier 105 between each circuit layer 102 of light emitting diode lamp plate 100 and the metal substrate 104.Insulating barrier 105 for example be the polypropylene resin (Polypropylene, PP) or epoxy resin fluoropolymer resins such as (epoxy resin).In addition, the material of metal substrate 104 is not limit, for example: can be the substrate of aluminum substrate, copper substrate or its alloy, be preferably that ductility is good, the metal of high-termal conductivity, and can the appropriateness bending or to shape be that a polygonized structure 112(is with reference to shown in Fig. 4 A to Fig. 4 C).
Please refer to Figure 1B, Fig. 2 B and Fig. 3 B, heat-radiating substrate 101 has upper surface 101a and lower surface 101b.Heat-radiating substrate 101 major axis bending place between each plate body of upper surface 101a is fastening end 121, so that be connected together between each plate body.In addition, the lower surface 101b of heat-radiating substrate 101 major axis bending place between each plate body has indentation 123.That is to say that if N+2 plate body arranged, the quantity of indentation 123 is lacked one relatively, for example, if 3 plate bodys are arranged, two indentations are arranged then.The shape of indentation 123 is not limit, and for example is V-type, U-shaped or semi-circular.The degree of depth of indentation 123 is less than the thickness of each plate body, and by this, heat-radiating substrate 101 can appropriately bend and become a polygonized structure.
Please refer to Fig. 4 A～4C figure, the plate body 111 of heat-radiating substrate can the appropriateness bending be any polygonized structure 112, for example equilateral triangle structure, isosceles triangular structure (Fig. 4 A), equilateral tetragonal structure (Fig. 4 B), rectangle structure, pentagonal configuration or hexagonal structure (Fig. 4 C) etc., but not as limit, any equilateral or unequal-sided geometric form structure all can.In addition, present embodiment does not limit has only a heat-radiating substrate 101, for example: the plate body 111 of the heat-radiating substrate more than two or two can appropriateness bending after, be combined into above-mentioned any polygonized structure 112 and also can implement.
Please refer to Fig. 5 A and 5B, its heat-radiating substrate 101 that illustrates after the bending is fixed on schematic diagram in the lamp housing 106 with clamping structure.In Fig. 5 A, lamp housing 106 is the fluorescent tube of an elongated tubular, and two end caps 107 are disposed at the opposite end of lamp housing 106, and is combined into tubular body 109 with lamp housing 106.Two groups of electrode 108(just/negative electrode) be disposed at two end caps 107 respectively, and protrude from outside the end cap 107, electrically connect by these two groups of electrodes 108 and circuit layer 102, the power supply of outside can be supplied to the light emitting diode matrix 103 in the lamp housing 106, make it luminous.
In addition, in Fig. 5 B, have holding section 113 in the lamp housing 106, after heat-radiating substrate 101 was bent into any polygonized structure 112, holding section 113 was complementary with the fastening end 121 of polygonized structure 112, so that heat-radiating substrate 101 is fixed in the tubular body 109.With respect to traditional light-emitting diode lamp tube, fluorescent tube 10 of the present invention replaces traditional metal cooling seat with the heat-radiating substrate 101 that is bent into any polygonized structure 112, and is convenient in assembling, thereby reduces the cost of assembling.
In addition, in Fig. 5 B, light emitting diode matrix 103 is configurable to have on the plate body (for example second plate body 120) of circuit layer 102, therefore in any, can change light emitting diode matrix 103 and go out direction of light (for example up), and then reach the effect of adjusting rising angle.
Then, please refer to Fig. 6, it illustrates among another embodiment heat-radiating substrate 101 after the bending and is fixed on schematic diagram in the lamp housing 106.In Fig. 6, be disposed at respectively with two groups of light emitting diode matrixs 103 on two plate bodys (for example first plate body 110 and the 3rd plate body 130) of each tool circuit layer 102, therefore, can change each light emitting diode matrix 103 and go out direction of light (for example towards the left and right sides), and then reach the effect of extensive angle (for example 270 degree) bright dipping.
Then, please refer to Fig. 7, it illustrates among the another embodiment heat-radiating substrate 101 after the bending and is fixed on schematic diagram in the lamp housing 106.In Fig. 7, be disposed at respectively on three plate bodys that respectively have circuit layer 102 with three groups of light emitting diode matrixs 103, therefore, can change each light emitting diode matrix 103 and go out direction of light (for example towards the left and right sides and below), and then reach the effect of extensive angle (for example 360 degree) bright dipping.
The disclosed light-emitting diode lamp tube of above-described embodiment, be to utilize heat-radiating substrate itself to have heat conduction and bent characteristic, improve the radiator structure of fluorescent tube and the assembling mode of lamp plate, and then reduce the cost of fluorescent tube assembling and improve the luminescent properties of light-emitting diode lamp tube.
The present invention is described by above-mentioned related embodiment, yet above-described embodiment is only for implementing example of the present invention.Must be pointed out that the embodiment that has disclosed does not limit the scope of the invention.On the contrary, the change of doing without departing from the spirit and scope of the present invention and retouching all belong to scope of patent protection of the present invention.
Claims (10)
1. a light-emitting diode lamp tube is characterized in that, comprising:
Lamp housing is elongated tubular;
Two end caps are disposed at the opposite end of this lamp housing, and are combined into tubular body with this lamp housing;
Two groups of electrodes are disposed at this two end cap;
Heat-radiating substrate is fixed in this tubular body, and this heat-radiating substrate comprises N+2 plate body, and N ≧ 1, and wherein these N+1 plate body two relative major axis sides connect this N plate body and this N+2 plate body respectively, so that this N+2 plate body is bent into polygonized structure;
Circuit layer is disposed at least one plate body; And
At least one light emitting diode matrix is disposed on the plate body with this circuit layer, and electrically connects by this circuit layer and this two groups of electrodes.
2. light-emitting diode lamp tube as claimed in claim 1 is characterized in that, this heat-radiating substrate has upper surface and lower surface, and the major axis bending place is the fastening end between each plate body of this upper surface.
3. light-emitting diode lamp tube as claimed in claim 2 is characterized in that, on this lower surface between each plate body the major axis bending place have indentation, and this indentation is V-type, U-shaped or semi-circular.
4. light-emitting diode lamp tube as claimed in claim 2 is characterized in that, has the holding section in this lamp housing, and the fastening end of itself and this polygonized structure is complementary, so that this heat-radiating substrate is fixed in this tubular body.
5. light-emitting diode lamp tube as claimed in claim 1 is characterized in that, those plate bodys are bent into isosceles triangular structure, and then this circuit layer is disposed on N+1 the plate body.
6. light-emitting diode lamp tube as claimed in claim 1 is characterized in that, those plate bodys are bent into equilateral geometric form structure, and then this circuit layer is disposed on each plate body.
7. light-emitting diode lamp tube as claimed in claim 1 is characterized in that, this heat-radiating substrate comprises metal substrate and insulating barrier, and this insulating barrier is formed on the surface of this metal substrate.
8. light-emitting diode lamp tube as claimed in claim 7 is characterized in that, the material of this metal substrate comprises copper, aluminium or its alloy.
9. light-emitting diode lamp tube as claimed in claim 7 is characterized in that, the material of this insulating barrier comprises fluoropolymer resin.
10. light-emitting diode lamp tube as claimed in claim 7 is characterized in that, this lamp housing is glass tube or plastic cement pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101232938A CN103256500A (en) | 2013-04-10 | 2013-04-10 | LED tube |
| TW102123032A TW201439465A (en) | 2013-04-10 | 2013-06-27 | Light emitting diode tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101232938A CN103256500A (en) | 2013-04-10 | 2013-04-10 | LED tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103256500A true CN103256500A (en) | 2013-08-21 |
Family
ID=48960606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101232938A Pending CN103256500A (en) | 2013-04-10 | 2013-04-10 | LED tube |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103256500A (en) |
| TW (1) | TW201439465A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565949A (en) * | 2015-01-23 | 2015-04-29 | 史杰 | 360-degree lighting multicolored intelligent bulb |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2903657Y (en) * | 2005-11-25 | 2007-05-23 | 华兴电子工业股份有限公司 | LED lamp tube structure |
| CN101280896A (en) * | 2007-04-06 | 2008-10-08 | 深圳市阳光富源科技有限公司 | Novel wide-angle LED road lamp and manufacturing method thereof |
| CN201448641U (en) * | 2009-05-30 | 2010-05-05 | 陈展新 | LED energy-saving high-light lamp tube |
| CN102047028A (en) * | 2008-05-29 | 2011-05-04 | 罗姆股份有限公司 | Led lamp |
| WO2011064766A2 (en) * | 2009-11-27 | 2011-06-03 | Albert Heribert R | Optimization of led and smd fluorescent tubes |
| JP2011138681A (en) * | 2009-12-28 | 2011-07-14 | Panasonic Corp | Led lamp |
| CN102135254A (en) * | 2011-04-27 | 2011-07-27 | 诠兴开发科技股份有限公司 | LED (Light Emitting Diode) lamp structure with bigger illumination angle |
| CN201964183U (en) * | 2010-12-28 | 2011-09-07 | 深圳市聚作实业有限公司 | LED (light-emitting diode) lamp with expandable incident angle |
| CN102913798A (en) * | 2012-11-05 | 2013-02-06 | 深圳市聚作照明股份有限公司 | LED lamp tube emitting light at high angle |
-
2013
- 2013-04-10 CN CN2013101232938A patent/CN103256500A/en active Pending
- 2013-06-27 TW TW102123032A patent/TW201439465A/en unknown
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2903657Y (en) * | 2005-11-25 | 2007-05-23 | 华兴电子工业股份有限公司 | LED lamp tube structure |
| CN101280896A (en) * | 2007-04-06 | 2008-10-08 | 深圳市阳光富源科技有限公司 | Novel wide-angle LED road lamp and manufacturing method thereof |
| CN102047028A (en) * | 2008-05-29 | 2011-05-04 | 罗姆股份有限公司 | Led lamp |
| CN201448641U (en) * | 2009-05-30 | 2010-05-05 | 陈展新 | LED energy-saving high-light lamp tube |
| WO2011064766A2 (en) * | 2009-11-27 | 2011-06-03 | Albert Heribert R | Optimization of led and smd fluorescent tubes |
| WO2011064766A3 (en) * | 2009-11-27 | 2011-11-24 | Albert Heribert R | Optimization of led and smd fluorescent tubes |
| JP2011138681A (en) * | 2009-12-28 | 2011-07-14 | Panasonic Corp | Led lamp |
| CN201964183U (en) * | 2010-12-28 | 2011-09-07 | 深圳市聚作实业有限公司 | LED (light-emitting diode) lamp with expandable incident angle |
| CN102135254A (en) * | 2011-04-27 | 2011-07-27 | 诠兴开发科技股份有限公司 | LED (Light Emitting Diode) lamp structure with bigger illumination angle |
| CN102913798A (en) * | 2012-11-05 | 2013-02-06 | 深圳市聚作照明股份有限公司 | LED lamp tube emitting light at high angle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565949A (en) * | 2015-01-23 | 2015-04-29 | 史杰 | 360-degree lighting multicolored intelligent bulb |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201439465A (en) | 2014-10-16 |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130821 |