CN207438197U - LED filament lamp - Google Patents
LED filament lamp Download PDFInfo
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- CN207438197U CN207438197U CN201721458781.4U CN201721458781U CN207438197U CN 207438197 U CN207438197 U CN 207438197U CN 201721458781 U CN201721458781 U CN 201721458781U CN 207438197 U CN207438197 U CN 207438197U
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- light source
- led
- substrate
- layer
- filament lamp
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Abstract
A kind of LED filament lamp, including lamp cap and light source strip, the lamp cap is used to power to the light source strip, the light source strip includes the plurality of LEDs light source and the first encapsulated layer of substrate and setting on the substrate, the substrate is fabricated from a flexible material, and the LED light source is fixed on the substrate, which integrally covers the LED light source, the light source strip is bent to form curve or meander line structure, which is used to reflect the light that the LED light source is sent.The LED filament lamps and lanterns have the advantages of can shining with wide-angle.
Description
Technical field
The utility model is related to technical field of LED illumination, more particularly to a kind of LED filament lamp.
Background technology
In recent years, quickly growing due to LED industry, LED lamp progressively substitute traditional illuminator.Since LED is sent out
Light has the characteristics such as point light source and directionality, in order to realize the wide-angle luminous lighting as incandescent lamp, a kind of existing LED light
Silk is that LED chip encapsulation is formed LED filament on the transparent substrate, then connects multiple filaments to form similar incandescent filament
Shape, to realize the effect to shine similar to wide-angle.
However, since the position that these LED filaments are connected with each other cannot shine, cause this by a plurality of LED filament to be spliced
Into structure be difficult to entirely illumination space in realize uniform luminous lighting.
Utility model content
In view of this, it is necessary to which a kind of LED filament lamp that can realize uniformly light-emitting is provided.
A kind of LED filament lamp, including lamp cap and light source strip, which is used to power to the light source strip, which includes
The plurality of LEDs light source and the first encapsulated layer of substrate and setting on the substrate, the substrate are fabricated from a flexible material, the LED light
Source is fixed on the substrate, which integrally covers the LED light source, which is bent to form curve or broken line
Structure, first encapsulated layer are used to reflect the light that the LED light source is sent.
Compared with prior art, the light source strip of the utility model is bent into curve or meander line structure so that institute on substrate
Have the first encapsulated layer cover part can continuous luminous, so as to overcome in the prior art LED filament be connected with each other part
The defects of cannot shining, so that the utility model has the advantages that shine with wide-angle.
Description of the drawings
Fig. 1 is the front view of the utility model LED filament lamp first embodiment.
Fig. 2 is the stereogram of LED filament lamp shown in Fig. 1.
Fig. 3 is the partial cutaway view of light source strip in LED filament lamp shown in Fig. 1.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
It please refers to Fig.1 and Fig. 2, the LED filament lamp 100 includes body 10, stem 20, light source strip 30 and bulb housing 40,
The lamp cap 10 is used to power to the light source strip 30.The bulb housing 40 is the shell structure of bottom opening, which is sintered at this
The bottom of bulb housing 40 simultaneously forms a confined space for accommodating the light source strip 30 with the bulb housing 40.The stem 20 is equipped with one
A exhaust pipe (not shown), the exhaust pipe are used to extract the air in the confined space out and are filled with heat dissipation gas (such as helium, oxygen
Gas, nitrogen or their mixed gas).After being filled with heat dissipation gas, the end of the exhaust pipe can be sintered sealing, so as to prevent this
Gas leakage in confined space.The exhaust pipe, stem 20 and bulb housing 40 are made of glass material.
Fig. 1 and Fig. 3 is refer to, which includes substrate 32 and the plurality of LEDs light source 34 being arranged on the substrate 32
And first encapsulated layer 35.The substrate 32 is fabricated from a flexible material, which is bent to form curve or meander line structure.These
LED light source 34 is fixed on the substrate 32 and is electrically connected with the substrate 32.First encapsulated layer 35 integrally covers these LED light sources
34.First encapsulated layer 35 is for reflecting the light that the LED light source 34 is sent so that light is from all tables of the encapsulated layer 35
Face is projected, so that the light source board 30 can be used as a continuous light extraction of string configuration.The substrate 32 includes metal layer 321
And it is arranged on the line layer 322 on the metal layer 321.These LED light sources 34 are flip LED light source, and the line layer 322 is with owning
LED light source 34 is electrically connected.The light source strip 30 further includes two conductive sheets 31 for being arranged on 32 both ends of substrate.These conductive sheets 31
One end stretch into first encapsulated layer 35 and be electrically connected with the line layer 322 by welding realization.These conductive sheets 31 it is another
One end is stretched out outside first encapsulated layer 35.As a preferred embodiment, which can also include an insulating layer
(not shown), the insulating layer are arranged between the metal layer 321 and the line layer 322 so as to by the metal layer 321 and the circuit
Layer 322 insulate.The insulating layer is fabricated from a flexible material.First encapsulated layer 35 is fabricated from a flexible material, first encapsulated layer 35
In be equipped with the first fluorescent powder (not shown), the light which is subject to these LED light sources 34 to send sends another
The light of kind wavelength.These LED light sources 34 and first encapsulated layer 35 are arranged at the front of the substrate 32, the back of the body of the substrate 32
Face is equipped with the second encapsulated layer 36 (as shown in Figure 3), and the second fluorescent powder (not shown), second envelope are equipped in second encapsulated layer 36
The second fluorescent powder in dress layer 36 is subject to the light for sending the third wavelength of the light sent from first encapsulated layer 35.
The light of the third wavelength so that the back side of the light source strip 30 is externally bright, in this way, for this
For the user of LED filament lamp 100, the front and back of the light source strip 30 is all luminous, and entire light source strip 30 is all
Bright.The technical side that LED light source and encapsulated layer are all set on the front and back in light source strip 30 is needed in compared with prior art
For case, the utility model needs only to set LED light source in the front of the light source strip 30, greatly simplifies structure.
It please refers to Fig.1 and Fig. 2, the light source strip 30 is bent to form curvilinear structures and the partial front of the substrate 32 corresponded to
The partial rear of the substrate 32 is set.This light for just alloing to project from first encapsulated layer 35 shines directly into part should
On second encapsulated layer 36, compared to reflecting the light that comes from 40 inner wall of bulb housing, for second encapsulated layer 36, from this
The light intensity for the light that one encapsulated layer, 35 direct irradiation comes is stronger, and the fluorescent powder in second encapsulated layer 36 is stimulated the light sent
It can be brighter.
It please refers to Fig.1 and Fig. 2, further includes two conducting wires 22 and 23, one end of the two conducting wires 22 and 23 and the lamp cap 10
Or the driving (not shown) electrical connection in lamp cap 10, the other end of the conducting wire pass through the stem 20 and 30 both ends of light source strip
Conductive sheet 31 by welding be electrically connected.The inner wall of the top of the stem 20 towards bulb housing 40 extends to form a stent
21, the top of the stent 21 is fixed with a fixed silk 24, which is electrically connected with the conducting wire 22.The fixation silk 24
One end is electrically connected with the conductive sheet 31 of the light source strip 30, and the other end of the fixation silk 24 is connected with 30 snapping of light source strip with should
Light source strip 30 is fixed on the stem 20.
During work, the heat which generates can be transferred to the bulb housing by the heat dissipation gas in the confined space
On 40 and distribute.The light source strip 30 is bent into spiral shape and energy double-side so that the LED filament lamp 100 can be realized
The wide-angle of similar incandescent lamp shines.
It is pointed out that since substrate 32, insulating layer, the first encapsulated layer 35, the second encapsulated layer 36 are by flexible material
Material is made, so, which can be bent into as required curve or meander line structure.Importantly, due to these
LED light source 34 is welded on using flip-chip fashion on the line layer 322, so, the bending of the light source strip 30 does not interfere with LED light source
Welding between 34 and the line layer 322.And in the prior art, LED light source is fixed on by way of formal dress on substrate,
It is electrically connected between LED light source by gold thread, if bending substrate, the gold thread connected between LED light source are easy for coming off.Here it is
Forward LED light source is difficult to be made the crucial obstruction of flexible light source item.The light source strip 30 is bent into curve or meander line structure so that
On substrate 32 part of all first encapsulated layers covering can continuous luminous, so as to overcome LED filament phase in the prior art
Connect part the defects of cannot shining, so that the utility model has the advantages that shine with wide-angle.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, Ren Heben
Field personnel are not being departed from this programme technical scope, and it is equal variation to make few modifications using the technology contents of above-mentioned exposure
Equivalent embodiment.In every case the content of the technical scheme of the utility model is departed from, according to the utility model technical spirit to implementing above
Any modification, equivalent substitution, improvement and etc. that example is done should be included within the scope of the utility model protection.
Claims (10)
1. a kind of LED filament lamp, including lamp cap and light source strip, which is used to power to the light source strip, it is characterised in that：The light
Source item includes the plurality of LEDs light source and the first encapsulated layer of substrate and setting on the substrate, which is fabricated from a flexible material, institute
It states LED light source to fix on the substrate, which integrally covers the LED light source, which is bent to form song
Line or meander line structure, first encapsulated layer are used to reflect the light that the LED light source is sent.
2. LED filament lamp according to claim 1, it is characterised in that：The substrate includes metal layer and is arranged on the metal
Line layer on layer, the LED light source are flip LED light source, which is electrically connected with the LED light source.
3. LED filament lamp according to claim 2, it is characterised in that：Insulating layer is further included, which is arranged on the gold
Belong to and the metal layer and the line layer insulating between layer and the line layer, which is fabricated from a flexible material.
4. LED filament lamp according to claim 1, it is characterised in that：First encapsulated layer is fabricated from a flexible material, this
The first fluorescent powder is equipped in one encapsulated layer, the light which is subject to the LED light source to send sends another kind
The light of wavelength.
5. LED filament lamp according to claim 4, it is characterised in that：The LED light source and first encapsulated layer are respectively provided with
In the front of the substrate, the back side of the substrate is equipped with the second encapsulated layer, is equipped with the second fluorescent powder in second encapsulated layer, this second
Fluorescent powder is subject to the excitation of the light sent from first encapsulated layer to emit beam.
6. LED filament lamp according to claim 5, it is characterised in that：The substrate is bent to form curvilinear structures and causes the base
The partial rear that the partial front of plate corresponds to the substrate is set.
7. LED filament lamp according to claim 1, it is characterised in that：Further include bulb housing, at least two conducting wires and core
Column, the bulb housing are the shell structure of bottom opening, and stem sintering forms one in the bottom of the bulb housing and with the bulb housing
A confined space for accommodating the light source strip, one end of the conducting wire are electrically connected with the lamp cap, and the other end of the conducting wire passes through should
Stem is electrically connected with the light source strip.
8. LED filament lamp according to claim 7, it is characterised in that：It is set on the stem there are one exhaust pipe, for extracting out
Air in the confined space is simultaneously filled with heat dissipation gas, and the exhaust pipe, stem and bulb housing are made of glass material.
9. LED filament lamp according to claim 7, it is characterised in that：The inner wall of the top of the stem towards bulb housing prolongs
It stretches to form stent, fixed silk is fixed at the top of the stent, which is electrically connected with a conducting wire, one end of the fixation silk
It is electrically connected with the light source strip, the other end of the fixation silk is connected the light source strip being fixed on the stem with the light source strip.
10. LED filament lamp according to claim 6, it is characterised in that：The light source strip is bent into helical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721458781.4U CN207438197U (en) | 2017-11-03 | 2017-11-03 | LED filament lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721458781.4U CN207438197U (en) | 2017-11-03 | 2017-11-03 | LED filament lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207438197U true CN207438197U (en) | 2018-06-01 |
Family
ID=62291132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721458781.4U Active CN207438197U (en) | 2017-11-03 | 2017-11-03 | LED filament lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207438197U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020221653A1 (en) * | 2019-05-02 | 2020-11-05 | Signify Holding B.V. | Led filament lamp |
-
2017
- 2017-11-03 CN CN201721458781.4U patent/CN207438197U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020221653A1 (en) * | 2019-05-02 | 2020-11-05 | Signify Holding B.V. | Led filament lamp |
| CN113785156A (en) * | 2019-05-02 | 2021-12-10 | 昕诺飞控股有限公司 | LED filament lamp |
| US11674644B2 (en) | 2019-05-02 | 2023-06-13 | Signify Holding B.V. | LED filament lamp |
| EP4261454A1 (en) * | 2019-05-02 | 2023-10-18 | Signify Holding B.V. | Led filament lamp |
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