CN202100964U - LED (light emitting diode) energy-saving lamp tube with wide spectrum - Google Patents
LED (light emitting diode) energy-saving lamp tube with wide spectrum Download PDFInfo
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- CN202100964U CN202100964U CN2011200627471U CN201120062747U CN202100964U CN 202100964 U CN202100964 U CN 202100964U CN 2011200627471 U CN2011200627471 U CN 2011200627471U CN 201120062747 U CN201120062747 U CN 201120062747U CN 202100964 U CN202100964 U CN 202100964U
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- installation panel
- wide spectrum
- power saving
- light emitting
- led
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Abstract
The utility model relates to an LED (light emitting diode) energy-saving lamp tube, in particular to the LED energy-saving lamp tube with a wide spectrum. The LED energy-saving lamp tube comprises an installation panel, a light emitting chip, a circular tube body, fluorescent powder and a lamp head, wherein the installation panel consists of a metal substrate, an insulating heat conduction layer, a conductive line layer and an insulating paint layer; the insulating heat conduction layer, the conductive line layer and the insulating paint layer are sequentially arranged on the metal substrate in a matching way; the light emitting chip is arranged in a reflective cup which is embedded in the installation panel, and corresponding pins of the light emitting chip are respectively connected with the conductive line layer through gold wires; the circular tube body is formed through the assembling of a light transmission cover and a radiation cover which are all semi-cylindrical surfaces, and the installation panel is arranged in the circular tube body in a matching way; the fluorescent powder is coated on the inner surface of the light transmission cover, and an excitation spectrum provided by the light emitting chip and an emission spectrum of the fluorescent powder jointly form a wide-spectrum light source with the spectrum range of 420 to 770nm. The LED energy-saving lamp tube is widely applied to such occasions with strict requirement for color distinguishing as indoor lighting decoration, light supplementation for the growth of animals and plants, printing and dyeing textile, jewelry identifying and the like.
Description
Technical field
The utility model relates to a kind of LED power saving fluorescent lamps, is specially a kind of wide spectrum LED power saving fluorescent lamps.
Background technology
At present, Halogen lamp LED is one of broad spectrum light source of using always, and the light of ability outgoing 340nm～1100nm spectral region has very high colour rendering index, but it has the shortcoming that luminous efficiency is low, service life is short again because of persistent fever in luminescence process.And great power LED has the brightness height, operating voltage is low, power consumption is little, miniaturization, easy of integrationization, the life-span is long, shock-resistant and steady performance, receives extensive attention and is developed rapidly as green light source.But because the restriction of the fluorescent material emission spectrum of selecting for use, the emission spectrum frequency band of great power LED is narrow more a lot of than Halogen lamp LED, has seriously limited the range of application of led light source.
Traditional fluorescent powder coated mode is that fluorescent material is mixed with casting glue, is coated on the chip then, but owing to can't accurately control the applied thickness and the shape of fluorescent material, causes the emergent light color inconsistent, inclined to one side blue light or inclined to one side gold-tinted occur; And the conformal coating technology can realize the even coating of fluorescent material, has ensured photochromic uniformity, but research shows that when fluorescent material directly is coated in chip surface because the existence of light scattering, light extraction efficiency is lower.Present stage, the ubiquitous technological difficulties of various encapsulation technologies are that thermal resistance is high, to go out light utilization efficiency low etc.
The utility model content
To the problem that exists in the prior art, the purpose of the utility model is to provide a kind of technical scheme of wide spectrum LED power saving fluorescent lamps.
Described a kind of wide spectrum LED power saving fluorescent lamps; It is characterized in that comprising installation panel, luminescence chip, pipe body, fluorescent material, lamp holder; Described installation panel is by metal substrate and be equipped with insulating heat-conductive layer, the conducting wire layer on metal substrate successively, the enamelled coating that insulate is formed; Described luminescence chip is equipped with in the reflector in being embedded in installation panel, and the respective pins of luminescence chip links to each other with the conducting wire layer through gold thread respectively; Described pipe body is assembled by diffuser that is all semi-cylindrical and heat dissipating housing, and installation panel is equipped with in the pipe body; Described fluorescent material is coated in the inner surface of diffuser, and the excitation spectrum that luminescence chip provides and the emission spectrum of fluorescent material constitute the broad spectrum light source of spectral region at 420nm～770nm jointly.
Described a kind of wide spectrum LED power saving fluorescent lamps is characterized in that the lower surface installation of described metal substrate is provided with drive circuit module, and drive circuit module links to each other with the power supply contact that the insulated paint laminar surface is provided with.
Described a kind of wide spectrum LED power saving fluorescent lamps is characterized in that described metal substrate is an aluminium alloy, and the insulating heat-conductive layer is an epoxide resin material, and the conducting wire layer is gold-plated line layer, and the insulation enamelled coating is for brightening insulated paint, and diffuser and heat dissipating housing are acrylic tubing.
Described a kind of wide spectrum LED power saving fluorescent lamps is characterized in that described luminescence chip is high-power blue-light LED chip, and is solid brilliant in the built-in reflector of installation panel through crystal-bonding adhesive.
Described a kind of wide spectrum LED power saving fluorescent lamps, the respective pins that it is characterized in that described luminescence chip encapsulate with embedding silica gel through the gold thread back that links to each other with the conducting wire layer respectively.
Described a kind of wide spectrum LED power saving fluorescent lamps is characterized in that two sides of described heat dissipating housing are equipped with catching groove, and two sides of diffuser are buckled in the catching groove.
Described a kind of wide spectrum LED power saving fluorescent lamps; It is characterized in that described fluorescent material is the rear-earth-doped terbium garnet fluorescent material that contains; Its molecular structure is
; Wherein A is a kind of among Y, La, Gd, the Sm; RE is a kind of or its mixture among Ce, Pr, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb, the Lu, and D is a kind of or its mixture among Al, Ga, the In, and the span of x is 0～0.5; The scope of y is 0.0005～0.2, and the scope of z is 4～5.
The operation principle of the utility model is: blue-light LED chip sends blue light under the driving that adds constant-current supply; Outgoing after the built-in reflector of metal substrate changes direction; Outgoing fluorescence behind the fluorescent material that the blue-light excited diffuser inner surface of a part applies; Organically combine formation wide range light with another part blue light, it has following beneficial effect:
1. that has adopted that the blue-light LED chip excitation rare-earth mixes contains the terbium garnet phosphor powder, and the emission spectrum scope of fluorescent material is 500nm ~ 800nm, mixes with the emission spectrum of blue-light LED chip, and the formation spectral region is at the broad spectrum light source of 400nm ~ 800nm;
2. got rid of and abandoned traditional fluorescent material and directly apply the formula packaging technology; Adopt the encapsulating structure of a kind of chip, fluorescent material separate type; The fluorescent material that is applied to diffuser is outward placed apart from chip certain position place; Not only improved light extraction efficiency and the bright dipping irradiation uniformity of LED, and promoted package speed, helped to reduce production costs;
3. adopt the reflecting cup structure that is built in installation panel, after polishing, electroplating processes, to reflection of light, improve the logical ratio of light that penetrates from chip internal, reduce chip internal and absorb, can significantly improve the light extraction efficiency of led chip through material;
4. adopt aluminum alloy materials as metal substrate, light weight and firm, and also the heat of generation directly distributes can rapidly high-power LED chip be worked the time, effectively prolongs the service life of chip, reduces cost.
Description of drawings
Fig. 1 is the profile one of the utility model;
Fig. 2 is the profile two of the utility model;
The excitation spectrum that Fig. 3 provides for the LED luminescence chip and the spectral radiation curves figure of fluorescent material;
Fig. 4 is the mixing spectral radiation curves figure of the utility model.
The specific embodiment
Below in conjunction with Figure of description the utility model is further specified:
A kind of wide spectrum LED power saving fluorescent lamps; Comprise installation panel, luminescence chip 8, pipe body, fluorescent material 1, lamp holder 13; Described installation panel is by metal substrate 2 and be equipped with insulating heat-conductive layer 3, the conducting wire layer 4 on metal substrate 2 successively, the enamelled coating 5 that insulate is formed, and metal substrate 2 is an aluminium alloy, and insulating heat-conductive layer 3 is an epoxide resin material; Conducting wire layer 4 is gold-plated line layer, and insulation enamelled coating 5 is for brightening insulated paint; Described luminescence chip 8 is high-power blue-light LED chip; Solid brilliant in the built-in reflector 10 of installation panel through crystal-bonding adhesive 9; Reflector 10 also need be through polishing, electroplating processes, and the respective pins of luminescence chip 8 encapsulates with embedding silica gel 6 after linking to each other with conducting wire layer 4 through gold thread 7 respectively; Described pipe body is assembled by diffuser that is all semi-cylindrical 11 and heat dissipating housing 12; Pipe body and lamp holder 13 are connected; Diffuser 11 and heat dissipating housing 12 are acrylic tubing, and two sides of heat dissipating housing 12 are equipped with catching groove, and two sides of diffuser 11 are buckled in the catching groove; In advance the rear-earth-doped inner surface that terbium garnet phosphor powder 1 is coated in diffuser 11 that contains; And installation panel, drive circuit module 14 placed in the pipe body, drive circuit module 14 links to each other with the power supply contacts that insulation enamelled coating 5 surfaces are provided with, and the emission spectrum of excitation spectrum that luminescence chip 8 provides and fluorescent material 1 constitutes the broad spectrum light source of spectral region at 420nm～770nm jointly.
Described phosphor powder layer 1 is the rear-earth-doped terbium garnet fluorescent material that contains; Its molecular structure is
; Wherein A is a kind of among Y, La, Gd, the Sm; RE is a kind of or its mixture among Ce, Pr, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb, the Lu, and D is a kind of or its mixture among Al, Ga, the In, and the span of x is 0～0.5; The scope of y is 0.0005～0.2, and the scope of z is 4～5.
Operation principle: luminescence chip 8 sends blue light under the driving that adds constant-current supply and drive circuit module 14; Outgoing after metal substrate 2 built-in reflectors 10 change direction; Behind the fluorescent material 1 that blue-light excited diffuser 11 inner surfaces of a part apply; The outgoing wave-length coverage be 490～770nm, almost cover the fluorescence of green glow to red spectral band, with the common wide spectrum light source that constitutes spectral region at 420nm～770nm after another part blue light.Excitation spectrum curve that blue-light LED chip provided and the rear-earth-doped spectral radiation curves that contains the terbium garnet phosphor powder are as shown in Figure 3, and a represents blue-light LED chip among the figure, and b represents fluorescent material; It is as shown in Figure 4 that fluorescent tube mixes spectral radiation curves.The heat that produces during high-power LED chip work can directly distribute through the aluminium alloy base plate of below, thereby reduces use cost the service life of improving chip.
The utility model contains the terbium garnet phosphor powder with what the blue-light LED chip excitation rare-earth mixed, and a kind of hybrid light source of wide spectrum can be provided; Adopt the encapsulating structure of chip, fluorescent material separate type, can significantly improve device reliability and luminous efficiency; Through the direct distribute heat of metal substrate, prolong the service life of chip, effectively solve the heat dissipation problem of great power LED; Utilization is built in the reflecting cup structure of installation panel, can improve light extraction efficiency, and reduce production costs.The utility model can be widely used in room lighting decoration, animal and plant growth light filling field and dyeing textile, jewelry examination etc. and differentiate the strict place of color and luster.
Claims (7)
1. one kind wide spectrum LED power saving fluorescent lamps; It is characterized in that comprising installation panel, luminescence chip, pipe body, fluorescent material, lamp holder; Described installation panel is by metal substrate and be equipped with insulating heat-conductive layer, the conducting wire layer on metal substrate successively, the enamelled coating that insulate is formed; Described luminescence chip is equipped with in the reflector in being embedded in installation panel, and the respective pins of luminescence chip links to each other with the conducting wire layer through gold thread respectively; Described pipe body is assembled by diffuser that is all semi-cylindrical and heat dissipating housing, and installation panel is equipped with in the pipe body; Described fluorescent material is coated in the inner surface of diffuser, and the excitation spectrum that luminescence chip provides and the emission spectrum of fluorescent material constitute the broad spectrum light source of spectral region at 420nm～770nm jointly.
2. a kind of wide spectrum LED power saving fluorescent lamps according to claim 1 is characterized in that the lower surface installation of described metal substrate is provided with drive circuit module, and drive circuit module links to each other with the power supply contact that the insulated paint laminar surface is provided with.
3. a kind of wide spectrum LED power saving fluorescent lamps according to claim 1; It is characterized in that described metal substrate is an aluminium alloy, the insulating heat-conductive layer is an epoxide resin material, and the conducting wire layer is gold-plated line layer; The insulation enamelled coating is for brightening insulated paint, and diffuser and heat dissipating housing are acrylic tubing.
4. a kind of wide spectrum LED power saving fluorescent lamps according to claim 1 is characterized in that described luminescence chip is high-power blue-light LED chip, and is solid brilliant in the built-in reflector of installation panel through crystal-bonding adhesive.
5. a kind of wide spectrum LED power saving fluorescent lamps according to claim 1, the respective pins that it is characterized in that described luminescence chip encapsulate with embedding silica gel through the gold thread back that links to each other with the conducting wire layer respectively.
6. a kind of wide spectrum LED power saving fluorescent lamps according to claim 1 is characterized in that two sides of described heat dissipating housing are equipped with catching groove, and two sides of diffuser are buckled in the catching groove.
7. a kind of wide spectrum LED power saving fluorescent lamps according to claim 1 is characterized in that described fluorescent material is the rear-earth-doped terbium garnet fluorescent material that contains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200627471U CN202100964U (en) | 2011-03-11 | 2011-03-11 | LED (light emitting diode) energy-saving lamp tube with wide spectrum |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200627471U CN202100964U (en) | 2011-03-11 | 2011-03-11 | LED (light emitting diode) energy-saving lamp tube with wide spectrum |
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| CN202100964U true CN202100964U (en) | 2012-01-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705734A (en) * | 2012-05-25 | 2012-10-03 | 深圳市瑞丰光电子股份有限公司 | LED (light-emitting diode) light source module and straight down type LED panel light |
| WO2013023468A1 (en) * | 2011-08-16 | 2013-02-21 | 浙江晶日照明科技有限公司 | Spectrum-adjustable lighting for use in plant lighting |
| CN103367351A (en) * | 2013-07-15 | 2013-10-23 | 广东洲明节能科技有限公司 | LED module multilayer stacking structure based on silicon substrate and manufacturing method |
| WO2014140416A1 (en) * | 2013-03-14 | 2014-09-18 | Valoya Oy | A phosphoric horticultural light |
| CN104100850A (en) * | 2013-04-08 | 2014-10-15 | 盈胜科技股份有限公司 | Integrated LED lamp tube |
-
2011
- 2011-03-11 CN CN2011200627471U patent/CN202100964U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013023468A1 (en) * | 2011-08-16 | 2013-02-21 | 浙江晶日照明科技有限公司 | Spectrum-adjustable lighting for use in plant lighting |
| CN102705734A (en) * | 2012-05-25 | 2012-10-03 | 深圳市瑞丰光电子股份有限公司 | LED (light-emitting diode) light source module and straight down type LED panel light |
| WO2014140416A1 (en) * | 2013-03-14 | 2014-09-18 | Valoya Oy | A phosphoric horticultural light |
| CN104100850A (en) * | 2013-04-08 | 2014-10-15 | 盈胜科技股份有限公司 | Integrated LED lamp tube |
| CN103367351A (en) * | 2013-07-15 | 2013-10-23 | 广东洲明节能科技有限公司 | LED module multilayer stacking structure based on silicon substrate and manufacturing method |
| WO2015006936A1 (en) * | 2013-07-15 | 2015-01-22 | 广东洲明节能科技有限公司 | Multilayer stacking structure of silicon-based led module, and manufacturing method |
| CN103367351B (en) * | 2013-07-15 | 2015-12-30 | 广东洲明节能科技有限公司 | Based on silica-based LED module multiple-layer stacked structure and manufacture method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20160311 |
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| CF01 | Termination of patent right due to non-payment of annual fee |