CN105909990A - LED light emitting device and LED filament lamp - Google Patents
LED light emitting device and LED filament lamp Download PDFInfo
- Publication number
- CN105909990A CN105909990A CN201610458613.9A CN201610458613A CN105909990A CN 105909990 A CN105909990 A CN 105909990A CN 201610458613 A CN201610458613 A CN 201610458613A CN 105909990 A CN105909990 A CN 105909990A
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- Prior art keywords
- led
- shell
- filament
- cell
- light emission
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides an LED light emitting device and a filament lamp. The LED light emitting device comprises at least one LED filament, and further comprises a closed container, electric connecting wires and electrode lead-out wires; the at least one LED filament is fixed on the outer wall of the closed container through glue; the air pressure in the closed container is lower than 1 atmospheric pressure; the closed container has no heat transfer medium with phase change; and after the at least one LED filament is connected in series, in parallel or in serial and parallel by the electric connecting wires, electrodes at two ends of the filament are electrically connected with the electrode lead-out wires. The LED light emitting device has such advantages as excellent heat dissipation, no need of core column and filament mounting bracket, simple structure, low cost, firmness and vibration resistance, and is used for manufacturing the LED filament lamp.
Description
Technical field
The present invention relates to LED, particularly to LED light emission device and filament lamp.
Background technology
The LED filament lamp of prior art is on the support of stem stem LED filament being arranged on cell-shell, and the heat produced during filament work needs the convection current of the gas in cell-shell and is transmitted to cell-shell, then the air outside cell-shell is transmitted to bulb housing dissipates；The surface area of of filament itself is less, i.e. area of dissipation is less, and the thermal resistance between filament to cell-shell is relatively big, affects filament heat radiation；Filament needs support and is welded and fixed, complicated structure, and the many costs of operation are high.
Summary of the invention
In order to solve the deficiency in above-mentioned prior art, the invention provides a kind of simple in construction, without stem stem and support, good heat dissipation, the LED light emission device of low cost.
It is an object of the invention to be achieved through the following technical solutions:
A kind of LED light emission device, described LED light emission device includes at least one LED filament；Described LED light emission device farther includes:
The container closed, on the outer wall of the container that described at least one LED filament is fixed on described closing by glue, the air pressure in the container of described closing is less than 1 atmospheric pressure, without the heat transfer medium undergone phase transition；
Electric connection line and electrode outlet line, described at least one LED filament be electrically connected line be serially connected, after in parallel or connection in series-parallel, two termination electrodes of filament electrically connect with described electrode outlet line.
According to above-mentioned LED light emission device, alternatively, the filament of described LED is any one in existing various LED filament, including:
LED chip, described LED chip is fixed on substrate；
Substrate, the relative two sides along described LED chip orientation of the non-LED chip installed surface of described substrate are fixed on described outer wall by described glue；The side relative with LED chip installed surface of described substrate contacts directly or indirectly with described outer wall.
According to above-mentioned LED light emission device, alternatively, described LED filament farther includes:
Described LED filament is the disjunctor filament including electric connection line, the container outer wall one side coating transparent adhesive tape closed in the stickup of filament during manufacture, then wraps tightly on the container outer wall closed, solidifies, i.e. completes filament and install；Technique is simple.
According to above-mentioned LED light emission device, it is preferable that the container of described sealing uses printing opacity nonmetallic materials.
The present invention also aims to provide a kind of simple in construction, without stem stem and support, good heat dissipation, the LED filament lamp applying above-mentioned LED light emission device of low cost.This goal of the invention is achieved by the following technical programs:
A kind of LED filament lamp, described filament lamp includes cell-shell, LED driver, electric connector；Described LED filament lamp farther includes:
At least one above-mentioned LED light emission device, the LED light emission device that described LED light emission device is any of the above-described, and be fixed in described cell-shell；Described driver is internal or external.
According to above-mentioned LED filament lamp, alternatively, described LED filament lamp farther includes:
Connector, described LED light emission device is fixed on described connector, and described electric connector is fixed with cell-shell by described connector.
According to above-mentioned LED filament lamp, alternatively, described filament lamp has at least two through holes, and the internal quickly circulation of gas cell-shell between through hole, the torrid zone produced when LED filament is worked is walked to distribute.
According to above-mentioned LED filament lamp, it is preferable that the vertical line at the center of described at least two through holes to the axis of described cell-shell is coplanar or be different surface beeline.
According to above-mentioned LED filament lamp, it is preferable that described at least two through holes are arranged on described cell-shell, or being separately positioned on cell-shell and connector, described electric connector is fixed with cell-shell by described connector.
According to above-mentioned LED filament lamp, alternatively, described LED filament lamp farther includes: described cell-shell and connector all seal.
Compared with prior art, the device have the advantages that into:
On the outer wall of the container that 1.LED filament glue is arranged on closing, LED filament area of dissipation is big, the heat produced during work can be taken away through (between container and the cell-shell) air of quickly circulation or other gas, is dissipated by cell-shell and/or is taken out of cell-shell, perfect heat-dissipating by gas；
2. the air pressure in the container closed is less than 1 atmospheric pressure, and without phase-change heat transfer medium, thermal capacity is little, heat reservoir is formed in the heat produced during LED filament work will not be stored in the container of closing in a large number, heat radiation in order to LED filament, meanwhile, block the conduction of heat path to driver of LED filament, can effectively reduce the operating temperature of driver；
3. the container closed is radiator and the mounting bracket of LED filament, it is not necessary to stem stem and support, has perfect heat-dissipating, simple in construction, low cost, the most resistance to advantage such as shake；
Accompanying drawing explanation
Referring to the drawings, the disclosure will be easier to understand.Skilled addressee readily understands that: these accompanying drawings are used only for illustrating technical scheme, and are not intended to be construed as limiting protection scope of the present invention.In figure:
Fig. 1 is the structural representation of the LED light emission device of the embodiment of the present invention 1；
Fig. 2 is the structural representation of the LED filament lamp of the embodiment of the present invention 3；
Fig. 3 is the structural representation of the LED filament lamp of the embodiment of the present invention 4.
Detailed description of the invention
How Fig. 1-3 and the optional embodiment following description describing the present invention are implemented with teaching those skilled in the art and reproduce the present invention.In order to instruct technical solution of the present invention, simplify or eliminated some conventional aspects.Those skilled in the art should understand that be derived from these embodiments modification or replace will within the scope of the invention.Those skilled in the art should understand that following characteristics can combine to be formed multiple modification of the present invention in every way.Thus, the invention is not limited in following optional embodiment, and only limited by claim and their equivalent.
Embodiment 1:
Fig. 1 schematically illustrates the structure diagram of the LED light emission device of the embodiment of the present invention 1, as it is shown in figure 1, described LED light emission device 1 includes:
The container 2 closed, the air pressure in the container of described closing is less than 1 atmospheric pressure, without the heat transfer medium undergone phase transition；
At least one LED filament 3, described LED filament 3 is any one in existing various LED filament, including:
At least two LED chip 5, described at least two LED chip are fixed on the side of described substrate, have luminous bisque 7 around LED chip；
Substrate 6, such as transparent glass substrate, ceramic substrate, opaque metal basal board etc., on the outer wall of the container that the relative two sides along described LED chip orientation of the non-LED chip installed surface of described substrate are fixed on described closing by glue 4；The side relative with LED chip installed surface of described substrate directly contacts with described outer wall, or indirectly contacts, as having luminous bisque between the two.
Multiple LED filament are connected by electric connection line 9 connection in series-parallel, and are connected with electrode outlet line 10；Or the two ends of an only LED filament are directly connected with electrode connecting line.
The container 2 of described closing is made up of cell-shell glass, Bohemian glass, quartz or quartz glass, pottery or plastics nonmetallic materials, or metal is made, transparent or opaque, forms cylindricality or spherical, elliposoidal or other shape that two ends seal；The outer surface of the container closed is all the radiating surface of LED filament, and area of dissipation is big, good heat dissipation；
1 reaches to have an advantage that according to embodiments of the present invention: the container 2 of described closing is radiator and the mounting bracket of LED filament 3, perfect heat-dissipating, eliminates the conventional stem stem and support, simple in construction, low cost installed and need；Air pressure quality the lowest, gas in container in the container closed is the least, thermal capacity is the least, storable heat is the least, be conducive to the heat produced during LED filament work directly directly to derive from the outer surface of container to dissipate, the heat simultaneously having blocked filament generation is transmitted to the path of driver in the middle part of cell-shell, and driver is affected by the heat reducing filament generation.
Embodiment 2:
The LED light emission device of the embodiment of the present invention 2, as different from Example 1:
LED filament does not use substrate, the contact surface that the outer wall with the container closed of described LED filament is relative contacts (having luminous bisque between contact surface and outer wall) directly or indirectly with described outer wall, and described LED filament is fixed on described outer wall by glue.
Embodiment 3:
The LED light emission device of 1 application examples in LED filament lamp according to embodiments of the present invention.
As in figure 2 it is shown, described LED filament lamp includes:
Cell-shell 11, electric connector 12, connector 13 and LED driver 14；These are the state of the art；Described cell-shell 11 is made up of glass or plastics, two ends up and down of described cell-shell 11 are respectively arranged with at least one through hole 16, as upper and lower side is respectively arranged with a series of through hole, that is, the center of the matrix of holes of upper and lower side is coplanar to the vertical line of the axis of described cell-shell, the partial through holes of upper end, lower end the center of partial through holes to the vertical line different surface beeline each other of the axis of described cell-shell, so that outside air enters from lower end through hole, in cell-shell, rapid convective leads to, and discharges from upper end through hole, to take away heat；
LED light emission device 1, described LED light emission device 1 is fixed on described connector 12；Electrode outlet line 10 is connected with the output of described driver 14, and the input of driver electrically connects with electric connector 12 (i.e. driver is built-in, is in filament lamp) through connecting line 15, and described electric connector 12 is fixed together through connector 13 and described cell-shell 2.Described electric connector 12 is used for connecting external power, and connecting external power can lightening LED lamp silk lamp.
3 reach to have an advantage that according to embodiments of the present invention: the container 2 of the closing that most of space is low heat capacity in cell-shell 11, between cell-shell and container, space is little, being conducive to air therein quickly to circulate through the upper lower through-hole 16 of cell-shell, the torrid zone produced when LED filament is worked is walked to dissipate；Meanwhile, the heat that LED filament produces also is thermally conducted to cell-shell by the air between container and cell-shell, dissipates through cell-shell.The surface area of container 2 is big, good heat dissipation, can install large-size and greater number of filament, to make high-power high-luminous flux LED filament lamp simultaneously.
Embodiment 4:
The LED light emission device of 1 application examples in LED filament lamp according to embodiments of the present invention.
As it is shown on figure 3, as different from Example 3:
1. in a cell-shell 11, there are two or above each LED light emission device 1, described LED light emission device 1 can be inserted in the mounting seat 17 of connector 13 by the mode of grafting, each LED light emission device 1 has two or above LED filament 3, by electric connection line 9 series, parallel or connection in series-parallel between LED filament 3；
2. being no longer provided with the through hole for forming gaseous exchange on cell-shell, cell-shell, connector and electric connector form the space closed, are wherein filled with heat transmission gas in cell-shell, such as at least one in helium, hydrogen, helium hydrogen gaseous mixture.
Embodiment 5:
The LED light emission device of 2 application examples in LED filament lamp according to embodiments of the present invention.
In this application examples, described LED filament lamp includes:
Cell-shell, electric connector, connector；These are the state of the art；Upper two ends of described cell-shell have at least one through hole, such as one or a series of through hole, connector have at least one through hole, such as a ring through hole, so that in outside air through hole from connector enters cell-shell and flow, the through hole from cell-shell is discharged, to take away heat；
LED filament is the disjunctor filament including electric connection line, and described LED filament is pasted the container one side closed and coated gluing, wraps tightly solidification after container outer surface.Described LED light emission device is fixed on described connector；Electrode outlet line electrically connects with described electric connector, and described electric connector is fixed together through connector and described cell-shell.Described electric connector is used for being sequentially connected with driver and external power (i.e. driver is external, non-be in LED filament lamp), thus lightening LED lamp silk lamp.
Embodiment 6:
The LED light emission device of 2 application examples in LED filament lamp according to embodiments of the present invention.
In this application examples, described LED filament lamp includes:
Cell-shell and connector all seal, as shown in the cell-shell 11 of Fig. 3 and connector 13.
Claims (9)
1. a LED light emission device, described LED light emission device includes at least one LED filament；It is special
Levy and be: described LED light emission device farther includes:
The container closed, described at least one LED filament fixes the container being pasted onto described closing by glue
On outer wall, the air pressure in the container of described closing is less than 1 atmospheric pressure, without the heat transfer medium undergone phase transition；
Electric connection line and electrode outlet line, described at least one LED filament be electrically connected line be serially connected and
After connection or connection in series-parallel, two termination electrodes of filament electrically connect with described electrode outlet line.
LED light emission device the most according to claim 1, it is characterised in that: the filament of described LED
For any one in existing various LED filament, including:
LED chip, described LED chip is fixed on substrate；
Substrate, the phase along described LED chip orientation of the non-LED chip installed surface of described substrate
To two sides be fixed on described outer wall by described glue；Described substrate relative with LED chip installed surface
Side contact directly or indirectly with described outer wall.
LED light emission device the most according to claim 2, it is characterised in that: described LED filament is
Including the disjunctor filament of electric connection line, described LED filament pastes the container one side coating gluing, tight closed
Solidify after being rolled in container outer surface.
LED light emission device the most according to claim 1, it is characterised in that: the container of described sealing
Use printing opacity nonmetallic materials.
5. a LED filament lamp, described filament lamp includes cell-shell, electric connector, LED driver；Its
It is characterised by: described LED filament lamp farther includes:
At least one LED light emission device, described LED light emission device uses claim 1-4 arbitrary described
LED light emission device, and be fixed in described cell-shell；Described electrode outlet line is connected with driver output；Institute
State LED driver internal or external.
LED filament lamp the most according to claim 5, it is characterised in that: described LED filament lamp enters
One step includes:
Connector, described LED light emission device is fixed on described connector, and described electric connector is by described
Connector is fixed with cell-shell.
LED filament lamp the most according to claim 5, it is characterised in that: described cell-shell has at least
Two through holes, gas cell-shell between through hole is internally formed flowing；The center of described at least two through holes is arrived
The vertical line of the axis of described cell-shell is coplanar or be different surface beeline.
LED filament lamp the most according to claim 7, it is characterised in that: described at least two through holes
Being arranged on described cell-shell, or be separately positioned on cell-shell and connector, described electric connector is by described
Connector is fixed with cell-shell.
9. according to the LED filament lamp described in claim 6 or 8, it is characterised in that: described cell-shell and company
Fitting all seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458613.9A CN105909990A (en) | 2016-06-21 | 2016-06-21 | LED light emitting device and LED filament lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458613.9A CN105909990A (en) | 2016-06-21 | 2016-06-21 | LED light emitting device and LED filament lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105909990A true CN105909990A (en) | 2016-08-31 |
Family
ID=56759244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610458613.9A Pending CN105909990A (en) | 2016-06-21 | 2016-06-21 | LED light emitting device and LED filament lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105909990A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641783A (en) * | 2016-12-30 | 2017-05-10 | 浙江锐迪生光电有限公司 | Zero-thermal-resistance LED filament lamp without core columns and supports |
| CN106641784A (en) * | 2016-12-30 | 2017-05-10 | 浙江锐迪生光电有限公司 | Novel LED light-emitting device and LED filament lamp |
| CN106870969A (en) * | 2016-12-30 | 2017-06-20 | 浙江锐迪生光电有限公司 | Light-emitting device and zero thermal resistance LED filament lamp |
| CN107314257A (en) * | 2017-08-24 | 2017-11-03 | 浙江锐迪生光电有限公司 | LED filament lamp and its method of work without metal heat sink |
| CN107830423A (en) * | 2016-09-16 | 2018-03-23 | 朗德万斯公司 | The light-emitting device being connected with the improvement with electric current delivery section |
| CN109661858A (en) * | 2016-09-05 | 2019-04-19 | 昕诺飞控股有限公司 | LED and including LED lighting devices |
| CN112654816A (en) * | 2018-09-12 | 2021-04-13 | 艾普顿集团有限责任公司 | Lighting device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090240A (en) * | 2013-02-25 | 2013-05-08 | 杭州杭科光电股份有限公司 | High-efficiency luminescence light emitting diode (LED) light source and LED lamp using thereof |
| CN202972617U (en) * | 2012-11-05 | 2013-06-05 | 浙江锐迪生光电有限公司 | Ceramic tube LED (Light Emitting Diode) lamp |
| CN103527964A (en) * | 2013-10-31 | 2014-01-22 | 深圳市中电照明股份有限公司 | Solid LED (light-emitting diode) lamp bulb |
| CN203656626U (en) * | 2013-11-28 | 2014-06-18 | 浙江锐迪生光电有限公司 | High-power LED lamp without metal radiator |
| US20140369036A1 (en) * | 2013-06-17 | 2014-12-18 | Shenzhen Runlite Technology Co.,Ltd. | Led light and filament thereof |
| 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 |
| CN105674108A (en) * | 2016-03-24 | 2016-06-15 | 海宁博华照明电器有限公司 | Novel LED lamp |
| CN205716499U (en) * | 2016-06-21 | 2016-11-23 | 浙江锐迪生光电有限公司 | LED light emission device and LED filament lamp |
-
2016
- 2016-06-21 CN CN201610458613.9A patent/CN105909990A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202972617U (en) * | 2012-11-05 | 2013-06-05 | 浙江锐迪生光电有限公司 | Ceramic tube LED (Light Emitting Diode) lamp |
| CN103090240A (en) * | 2013-02-25 | 2013-05-08 | 杭州杭科光电股份有限公司 | High-efficiency luminescence light emitting diode (LED) light source and LED lamp using thereof |
| US20140369036A1 (en) * | 2013-06-17 | 2014-12-18 | Shenzhen Runlite Technology Co.,Ltd. | Led light and filament thereof |
| CN103527964A (en) * | 2013-10-31 | 2014-01-22 | 深圳市中电照明股份有限公司 | Solid LED (light-emitting diode) lamp bulb |
| CN203656626U (en) * | 2013-11-28 | 2014-06-18 | 浙江锐迪生光电有限公司 | High-power LED lamp without metal radiator |
| 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 |
| CN105674108A (en) * | 2016-03-24 | 2016-06-15 | 海宁博华照明电器有限公司 | Novel LED lamp |
| CN205716499U (en) * | 2016-06-21 | 2016-11-23 | 浙江锐迪生光电有限公司 | LED light emission device and LED filament lamp |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109661858A (en) * | 2016-09-05 | 2019-04-19 | 昕诺飞控股有限公司 | LED and including LED lighting devices |
| CN107830423A (en) * | 2016-09-16 | 2018-03-23 | 朗德万斯公司 | The light-emitting device being connected with the improvement with electric current delivery section |
| CN106641783A (en) * | 2016-12-30 | 2017-05-10 | 浙江锐迪生光电有限公司 | Zero-thermal-resistance LED filament lamp without core columns and supports |
| CN106641784A (en) * | 2016-12-30 | 2017-05-10 | 浙江锐迪生光电有限公司 | Novel LED light-emitting device and LED filament lamp |
| CN106870969A (en) * | 2016-12-30 | 2017-06-20 | 浙江锐迪生光电有限公司 | Light-emitting device and zero thermal resistance LED filament lamp |
| CN107314257A (en) * | 2017-08-24 | 2017-11-03 | 浙江锐迪生光电有限公司 | LED filament lamp and its method of work without metal heat sink |
| CN107314257B (en) * | 2017-08-24 | 2023-09-19 | 浙江锐迪生光电有限公司 | LED filament lamp without metal radiator and working method thereof |
| CN112654816A (en) * | 2018-09-12 | 2021-04-13 | 艾普顿集团有限责任公司 | Lighting device |
| CN112654816B (en) * | 2018-09-12 | 2023-12-19 | 艾普顿集团有限责任公司 | lighting device |
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Application publication date: 20160831 Assignee: ANHUI HANGKE PHOTOELECTRIC Co.,Ltd. Assignor: ZHEJIANG LEDISON OPTOELECTRONICS Co.,Ltd. Contract record no.: X2020330000015 Denomination of invention: LED light emitting device and LED filament lamp License type: Common License Record date: 20200401 |
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