CN202834830U - Long-service-life light-emitting diode (LED) lamp tube and LED lamp - Google Patents
Long-service-life light-emitting diode (LED) lamp tube and LED lamp Download PDFInfo
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- CN202834830U CN202834830U CN2012203149565U CN201220314956U CN202834830U CN 202834830 U CN202834830 U CN 202834830U CN 2012203149565 U CN2012203149565 U CN 2012203149565U CN 201220314956 U CN201220314956 U CN 201220314956U CN 202834830 U CN202834830 U CN 202834830U
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Abstract
Provided are a long-service-life light-emitting diode (LED) lamp tube and an LED lamp. The lamp tube comprises a light transmitting bubble casing, an air exhaust pipe, a transparent pipe or column and at least one string of LED chip string, wherein the light transmitting bubble casing is sealed in a vacuum mode and filled with heat transfer protection gas, the air exhaust pipe is connected at the lower end of the bubble casing, the transparent pipe or column is arranged in the bubble casing, the at least one string of LED chip string is positioned on the outer surface of the transparent pipe or column, the LED chips are connected through first electric connection wires, the LED chip strings are connected through second electric connection wires, electrodes of the LED chips are led out by electrode leading-out wires, and at least one layer of luminescent powder layer is coated on the inner wall of the light transmitting bubble casing. No silica gel is arranged on the LED chips and luminescent powder on the LED chips are directly in contact with the heat transfer protection gas in the bubble casing so as to be good in radiation. The luminescent powder is far away from the LED chips so as to be small in lumens depreciation. No silica gel is arranged on the chips, so that lumens depreciation caused by silica gel heat and short wave irradiation discoloration is avoided. The LED lamp tube is small in lumens depreciation and long in service. The lamp tube can be used for manufacturing long-service-life LED lamps and can substitute filament lamps, fluorescent energy-saving lamps, high pressure sodium lamps, metal halide lamps and the like to be used for lighting.
Description
Technical field
The utility model relates to a kind of LED lighting bulb, particularly a kind of long-life LED fluorescent tube can be used for making single tube or multitube LED lamp, is used for illumination.
Background technology
We know that LED has the service life that reaches more than 100,000 hours as the signal designation element, and LED light often can work for 10 years, 20 years, and its service life is almost identical with casing.Single lamp power of this class LED light generally only is several-tens mW, almost do not require for the luminous flux of its output, and for example only needing several lm, the junction temperature of the PN junction of its LED almost is " cold ", namely similar with room temperature, is considered to cold light source.Yet, require hundreds of to the output light flux of several thousand lm for the illuminating LED lamp, the lamp power of several-tens W need to be arranged; At present, the power efficiency of illuminating LED chip is about 50%, and half the input electric power of namely having an appointment will change heat into.Heat radiation remains the key factor of present LED lamp.
Prior art with the output light flux of incandescent lamp alternative lamp metal heat sink or liquids and gases heat radiations, generally all below 1000lm, the large calorimetric that produces during LED work makes the service life of LED lamp far below 100,000 hours.
Led chip in the LED bulb that the vacuum seal that prior art is dispelled the heat with gas is also inflated is all by silica gel and luminescent powder parcel, and the thermal conductivity of silica gel only is 0.8-1W/ (m.K), and the heat that led chip when work produces will be through layer of silica gel, conduction and convection to the cell-shell of the heat radiation gas in the fluorescent tube dispels the heat again.Because the thermal conductivity of silica gel is low, the temperature of chip raises easily and causes the luminous efficiency of chip to descend, and namely increases the light decay of LED; Secondly, silica gel is subjected to the high temperature of chip generation and the effect meeting variable color of blue light or ultraviolet light for a long time, increases the LED Optical Absorption, accelerates the light decay of LED; Simultaneously, silica gel is that organic material can be exitted, and reduces the purity of heat radiation gas in the bulb, the radiating effect of impact heat radiation gas; Have, luminescent powder is close to around the chip again, and the irradiation of long term high temperature and high density short wavelength light also can make its luminous efficiency descend, and namely aggravates the light decay of LED.These factors cause the light decay of LED large, namely use the life-span short.
Summary of the invention
The purpose of this utility model is intended to solve the above-mentioned deficiency that exists in the prior art, and a kind of low light attenuation, long-life LED fluorescent tube and LED lamp are provided.
The technical solution of the utility model is as follows:
The long-life LED fluorescent tube that the utility model provides, it comprises:
A vacuum seal also is filled with the printing opacity cell-shell of heat transfer protective gas;
Be connected in the blast pipe of described printing opacity cell-shell lower end;
Be loaded on transparent pipe or transparent post in the described printing opacity cell-shell;
Be installed on a string at least led chip string on described transparent pipe or the transparent outer surface of column; Be electrically connected by the first electric connection line between the led chip of described every string led chip string, each is gone here and there and is electrically connected by the second electric connection line between the led chip string, and the electrode of described a string at least led chip string is drawn by electrode outlet line; It is characterized in that, also comprise at least one deck luminescent powder layer that is coated on the described transparent bulb case inwall; Led chip directly contacts with the heat transfer protective gas.
Described a string at least led chip string is mutually series connection or series-parallel many strings; Described led chip is that substrate is transparent blue light-emitting or the chip of ultraviolet light.
Described led chip is the chip of blue light-emitting or the chip that glows.
Described led chip is that chip substrate is on opaque substrate or its reflecting layer to be arranged.
Described led chip is the chip that a PN junction or a plurality of PN junctions are arranged.
Described heat transfer protective gas is helium, hydrogen, nitrogen, neon, argon, dry air or their gaseous mixture; Its air pressure is 0.2-3 atmospheric pressure under the room temperature.
Described printing opacity cell-shell is shaped as T-type, A-type, G-type, R-type, BR-shape, PAR-type or candle type.
The LED lamp with above-mentioned long-life LED fluorescent tube that the utility model provides, it has at least one LED fluorescent tube; The electrode outlet line of this at least one LED fluorescent tube connects the output of a led driver, and the input of described led driver links to each other with an electric connector through the 3rd electric connection line, and described electric connector links to each other with external power.
The long-life LED fluorescent tube that the utility model provides is coated with at least one deck luminescent powder layer on its printing opacity inner wall; The a string at least led chip of the upper installation of transparent pipe (or transparent post) in the printing opacity cell-shell; Do not apply silica gel and luminous bisque on the led chip, led chip heat radiation gas (heat transfer protective gas) direct and in the fluorescent tube contacts, and its thermal diffusivity is good; Work under the protection of the heat transfer protective gas (inert gas) of led chip in the printing opacity cell-shell; Luminous bisque away from led chip, is subjected to the temperature effect of led chip little on inner wall; Thereby little, the long service life of light decay of long-life LED fluorescent tube of the present utility model.
Long-life LED fluorescent tube of the present utility model can be used for making single tube LED lamp or multitube LED lamp, is used for replacing incandescent lamp, energy-saving fluorescent lamp, high-pressure mercury lamp, Metal halogen lamp etc., is used for illumination.
Described single tube LED lamp or multitube LED lamp i.e. one or branched fluorescent tube are mixed the driver of LED and shell thereof and electric connector, whole lamp of formation.
The utility model compared with prior art, its advantage is: led chip directly contacts perfect heat-dissipating with the interior heat transfer protective gas 1 of fluorescent tube; Do not have the organic materials such as silica gel on the led chip, can keep for a long time the purity of heat transfer protective gas in the fluorescent tube; Without silica gel, because being heated for a long time, silica gel do not make chip light-emitting rate decline problem with the variable color of short wavelength light irradiation on the led chip; Work under the protection of the heat transfer protective gas (inert gas etc.) of LED in fluorescent tube; Luminous bisque is subjected to the temperature effect of led chip little on the printing opacity inner wall; Thereby little, the long service life of the light decay of LED fluorescent tube; Can be used for making single tube LED lamp or multitube LED lamp; Be used for replacing incandescent lamp, energy-saving fluorescent lamp, high-pressure mercury lamp, Metal halogen lamp etc., be used for illumination.
Description of drawings
Fig. 1 is an example structure schematic diagram of long-life LED fluorescent tube of the present utility model.
Fig. 2 is for using LED fluorescent tube of the present utility model to consist of the structural representation of a single tube LED lamp (embodiment).
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
Fig. 1 is the structural representation of an embodiment of long-life LED fluorescent tube of the present utility model; As seen from the figure, long-life LED fluorescent tube 2a of the present utility model comprises:
A vacuum seal also is filled with the printing opacity cell-shell 2 of heat transfer protective gas 1, described printing opacity cell-shell 2 lower ends are connected with blast pipe 3(blast pipe 3 and are used for being filled with the 1 rear sealing of heat transfer protective gas after LED fluorescent tube 2 vacuumizes, to consist of vacuum seal and to be filled with the printing opacity cell-shell 2 of heat transfer protective gas 1); Be coated with at least one deck luminescent powder layer 4 on described printing opacity cell-shell 2 inwalls; Be provided with a transparent pipe or transparent post 5 in the printing opacity cell-shell 2, on described transparent pipe or transparent post 5 outer surfaces a string at least led chip 6 is installed, be electrically connected by the first electric connection line 7 between the described led chip 6, each is gone here and there and is electrically connected by the second electric connection line 8 between the led chip, the electrode of described a string at least led chip 6 is drawn by electrode outlet line 9, and described electrode outlet line 9 connects external operating voltage (external power); Connect outer operating voltage (external power) and namely light led chip 6, led chip 6 issued lights are transformed into the light of required look through luminous bisque 4.
Mutually series connection or the connection in series-parallel of described a string at least led chip 6; It is transparent blue light-emitting or the chip of ultraviolet light that described led chip 6 can be substrate.The chip that described led chip 6 also can be blue light-emitting adds the chip that glows or the chip of sending out other coloured light.It is opaque substrate that described led chip 6 can be chip substrate in addition, or the chip in reflecting layer is arranged on it.Described led chip 6 is for there being the chip of a PN junction or a plurality of PN junctions.
Do not apply silica gel and luminous bisque on the led chip 6 of the present utility model, and heat transfer protective gas 1 direct and in the printing opacity cell-shell 2 contacts, thermal diffusivity is good; The heat transfer protective gas 1(inert gas of described led chip 6 in printing opacity cell-shell 2) work under the protection; Be coated on luminous bisque 4 on printing opacity cell-shell 2 inwalls from led chip 6, be subjected to the temperature effect of led chip 6 little; Thereby little, the long service life of long-life LED fluorescent tube light decay of the present utility model.
Led chip 6 usefulness glue or low-melting glass are installed on transparent pipe or transparent post 5 outer surfaces.
Described LED fluorescent tube 2a can be used for making single tube LED lamp or multitube LED lamp, and namely one or branched fluorescent tube are mixed the driver of LED and shell thereof and electric connector, whole lamp of formation, as shown in Figure 2.
Heat transfer protective gas 1 in the described LED fluorescent tube is helium, hydrogen, nitrogen, neon, argon, dry air or their gaseous mixture; Its air pressure is 0.2-3 atmospheric pressure under the room temperature.
The printing opacity cell-shell 2 of described LED fluorescent tube is shaped as existing a kind of in bulb-shaped of T-type, A-type, G-type, R-type, BR-shape, PAR-type, candle type or other.
Fig. 2 is for using long-life LED fluorescent tube of the present utility model to make the example structure schematic diagram of a single tube LED lamp.As shown in Figure 2, a long-life LED fluorescent tube 2a mixes led driver 10, electric connector 11, the shell 12 of driver 10 is interconnected to constitute a whole lamp of LED to LED fluorescent tube 2 and electric connector 11, the electrode outlet line 9 of long-life LED fluorescent tube is connected with the output of led driver 10, the input of led driver 10 is connected with electric connector 11 through the 3rd electric connection line 13, and electric connector 11 is used for connecting external power, connects external power and gets final product lightening LED lamp.
Long-life LED fluorescent tube 2a of the present utility model also can directly be connected with electric connector 11, namely without connector 12, consists of the whole lamp of LED.
Each embodiment that the claimed scope of the utility model is not limited to introduce herein, all belongs to the scope that the utility model is contained at all various forms of conversion of doing based on the present patent application claim and description and replacement.
Claims (8)
1. long-life LED fluorescent tube, it comprises:
A vacuum seal also is filled with the printing opacity cell-shell of heat transfer protective gas;
Be connected in the blast pipe of described printing opacity cell-shell lower end;
Be loaded on transparent pipe or transparent post in the described printing opacity cell-shell;
Be installed on a string at least led chip string on described transparent pipe or the transparent outer surface of column; Be electrically connected by the first electric connection line between the led chip of described every string led chip string, each is gone here and there and is electrically connected by the second electric connection line between the led chip string, and the electrode of described a string at least led chip string is drawn by electrode outlet line; It is characterized in that, also comprise at least one deck luminescent powder layer that is coated on the described transparent bulb case inwall; Led chip directly contacts with the heat transfer protective gas.
2. by long-life LED fluorescent tube claimed in claim 1, it is characterized in that described a string at least led chip string is mutually series connection or series-parallel many strings; Described led chip is that substrate is transparent blue light-emitting or the chip of ultraviolet light.
3. by long-life LED fluorescent tube claimed in claim 1, it is characterized in that described led chip is the chip of blue light-emitting or the chip that glows.
4. by long-life LED fluorescent tube claimed in claim 1, it is characterized in that described led chip is that chip substrate is opaque substrate, and the reflecting layer is arranged on it.
5. by claim 1 or 2 or 3 or 4 described long-life LED fluorescent tubes, it is characterized in that described led chip is the chip that a PN junction or a plurality of PN junctions are arranged.
6. by long-life LED fluorescent tube claimed in claim 1, it is characterized in that the air pressure of described heat transfer protective gas is 0.2-3 atmospheric pressure under the room temperature.
7. by long-life LED fluorescent tube claimed in claim 1, it is characterized in that described printing opacity cell-shell is shaped as T-type, A-type, G-type, R-type, BR-shape, PAR-type or candle type.
8. the LED lamp with the described long-life LED of claim 1 fluorescent tube is characterized in that, described LED light fixture has at least one long-life LED fluorescent tube; The electrode outlet line of this at least one LED fluorescent tube connects the output of led driver, and the input of described led driver links to each other with electric connector through the 3rd electric connection line, and described electric connector links to each other with external power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203149565U CN202834830U (en) | 2012-06-28 | 2012-06-28 | Long-service-life light-emitting diode (LED) lamp tube and LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203149565U CN202834830U (en) | 2012-06-28 | 2012-06-28 | Long-service-life light-emitting diode (LED) lamp tube and LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202834830U true CN202834830U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203149565U Expired - Lifetime CN202834830U (en) | 2012-06-28 | 2012-06-28 | Long-service-life light-emitting diode (LED) lamp tube and LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202834830U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654077A (en) * | 2015-01-12 | 2015-05-27 | 浙江锐迪生光电有限公司 | LED (light emitting diode) fluorescent lamp with no metal heat radiator and capable of emitting light in 360 degrees |
| CN105674225A (en) * | 2016-03-07 | 2016-06-15 | 江苏师范大学 | White LED (Light-Emitting Diode) light source of transparent ceramic fluorescent tube packaged with blue chips on inner wall thereof |
| CN105822921A (en) * | 2016-03-23 | 2016-08-03 | 宁波凯耀电器制造有限公司 | U-shaped LED filament lamp and assembly method |
| US9732913B2 (en) | 2014-03-13 | 2017-08-15 | Philips Lighting Holding B.V. | Filament for lighting device |
-
2012
- 2012-06-28 CN CN2012203149565U patent/CN202834830U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9732913B2 (en) | 2014-03-13 | 2017-08-15 | Philips Lighting Holding B.V. | Filament for lighting device |
| CN104654077A (en) * | 2015-01-12 | 2015-05-27 | 浙江锐迪生光电有限公司 | LED (light emitting diode) fluorescent lamp with no metal heat radiator and capable of emitting light in 360 degrees |
| CN105674225A (en) * | 2016-03-07 | 2016-06-15 | 江苏师范大学 | White LED (Light-Emitting Diode) light source of transparent ceramic fluorescent tube packaged with blue chips on inner wall thereof |
| CN105822921A (en) * | 2016-03-23 | 2016-08-03 | 宁波凯耀电器制造有限公司 | U-shaped LED filament lamp and assembly method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: XIAMEN YANKON ENERGETIC LIGHTING Co.,Ltd. Assignor: ZHEJIANG LEDISON OPTOELECTRONICS Co.,Ltd. Contract record no.: 2015330000247 Denomination of utility model: Long-service-life light-emitting diode (LED) lamp tube and LED lamp Granted publication date: 20130327 License type: Common License Record date: 20151027 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Music Company Limited Assignor: ZHEJIANG LEDISON OPTOELECTRONICS Co.,Ltd. Contract record no.: 2016990000215 Denomination of utility model: Long-service-life light-emitting diode (LED) lamp tube and LED lamp Granted publication date: 20130327 License type: Common License Record date: 20160531 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |