CN105202399B

CN105202399B - LED filament lamp

Info

Publication number: CN105202399B
Application number: CN201510717174.4A
Authority: CN
Inventors: 陈琰表; 李江淮
Original assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Current assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2015-10-29
Filing date: 2015-10-29
Publication date: 2018-08-14
Anticipated expiration: 2035-10-29
Also published as: CN105202399A

Abstract

A kind of LED filament lamp, including lamp cap, bulb housing and at least two LED filaments, the bottom of the bulb housing is arranged at the top of the lamp cap, the LED filament is arranged in the bulb housing, the LED filament includes encapsulated layer, LED light source in encapsulated layer, first electrode and second electrode, the first electrode and second electrode are electrically connected with the LED light source in the encapsulated layer and stretch out respectively except the encapsulated layer respectively, the first electrode is electrically connected with lamp cap respectively with the second electrode, the first electrode is arranged at the top of the LED filament, the first electrode is obliquely installed with respect to the encapsulated layer allows the top of the LED filament mutually drawing close setting at the position at the top of the bulb housing.The present invention is tilted by the way that the first electrode is arranged to the opposite encapsulated layer, so that some light of the LED filament sent out is irradiated towards the top of the bulb housing, it avoids at the top of the bulb housing and there are problems that dark space, have the advantages that wide-angle uniformly light-emitting.

Description

LED filament lamp

Technical field

The present invention relates to a kind of LED illumination lamp, especially a kind of LED filament lamp.

Background technology

LED filament lamp is a kind of LED light device using LED filament as light source, normally comprises transparent bulb housing, LED filament is set in the bulb housing, and gas is filled in bulb housing, finally realizes LED illumination.LED filament is also referred to as LED Light-emitting section, LED filament lamp may also be referred to as LED bulb, bulb lamp etc..LED filament lamp due to can realize 360 degree shine, and And have the advantages that illumination utilization rate is high.Therefore more and more favored by consumers, it also will be as important developing direction.So And LED light strand is linear illuminating source, the light sent out towards the both ends of LED light strand is seldom.Making LED filament When bulb lamp, since there are electrodes between the top of LED light strand, it is difficult to it is close to each other, lead to the top of LED filament bulb lamp There are dark spaces, therefore how to solve a research direction of its top dark space at the industry.

Invention content

In view of this, it is necessary to provide a kind of LED filament lamps of dark space at the top of improvement.

The bottom of a kind of LED filament lamp, including lamp cap, bulb housing and at least two LED filaments, the bulb housing is arranged at this At the top of lamp cap, which is arranged in the bulb housing, which is electrically connected with the lamp cap, which includes encapsulation Layer, the LED light source in encapsulated layer, first electrode and second electrode, the first electrode and second electrode respectively with the encapsulation LED light source in layer is electrically connected and stretches out respectively except the encapsulated layer, the first electrode and the second electrode respectively with lamp cap Electrical connection, the first electrode are arranged at the top of the LED filament, which is obliquely installed with respect to the encapsulated layer so that institute Setting can mutually drawn close at the position at the top of the bulb housing by stating the top of LED filament.

Compared with prior art, first electrode is arranged and is used to be electrically connected with lamp cap at the top of the LED filament by LED filament lamp It connects.It is tilted by the way that the first electrode is arranged to the opposite encapsulated layer so that the top of the LED filament can be close to the light bulb Setting is mutually drawn close at position at the top of shell.So that some light of the LED filament sent out is towards the top of the bulb housing Portion is irradiated, and avoids at the top of the bulb housing and there are problems that dark space, has the advantages that wide-angle uniformly light-emitting.

Description of the drawings

Fig. 1 is the front view of the LED filament lamp of first embodiment of the invention.

Fig. 2 is the schematic diagram of LED filament in LED filament lamp shown in Fig. 1.

Specific implementation mode

Present invention is further described in detail with specific implementation mode below in conjunction with the accompanying drawings.

The LED filament lamp 100 of first embodiment of the invention, please refers to Fig.1 to Fig. 2.

It please refers to Fig.1 and Fig. 2, the LED filament lamp 100, including lamp cap 20, bulb housing 10 and at least two LED filaments 30, The bottom setting of the bulb housing 10 is arranged in 20 top of lamp cap, the LED filament 30 in the bulb housing 10, the LED filament 30 It is electrically connected with the lamp cap 20, which includes encapsulated layer 33, the LED light source in encapsulated layer 33,31 and of first electrode Second electrode 32, the first electrode 31 and second electrode 32 are electrically connected respectively with the LED light source in the encapsulated layer 33 and difference It stretches out except the encapsulated layer 33, which is electrically connected with lamp cap 20 respectively with the second electrode 32, the first electrode 31 It is arranged at the top of the LED filament 30, which is obliquely installed the top so that the LED filament 30 with respect to the encapsulated layer 33 Portion can mutually draw close setting at the position close to 10 top of bulb housing.

It is used to be electrically connected with lamp cap 20 at the top of the LED filament 30 by being arranged first electrode 31.By by this One electrode 31 is arranged to the opposite encapsulated layer 33 and tilts so that the top of the LED filament 30 can be pushed up close to the bulb housing 10 Setting is mutually drawn close at the position in portion.So that some light of the LED filament 30 sent out can be directly toward the light bulb The top of shell 10 is irradiated, and the top for avoiding the bulb housing 10 has dark space, has the advantages that wide-angle uniformly light-emitting. Wherein the top of above-mentioned LED filament 30 can mutually draw close setting at the position close to 10 top of bulb housing, refer to The encapsulated layer 33 for stating 30 top of LED filament mutually draws close setting.Since light is launched from the encapsulated layer 33 of LED filament 30 Come, so only mutually being drawn close between encapsulated layer 33, or even abut, the light that encapsulated layer projects can just be allowed directly to shine It is mapped to the top of bulb housing 10, avoids forming dark space on bulb housing 10.

It please refers to Fig.1 and Fig. 2, the first electrode 31 is made of hard conductive material.The first electricity on every LED filament 30 Pole 31 is directed away from the direction bending of other LED filaments 30.Since the first electrode 31 is directed away from other LED filaments 30 Direction bending, while different degrees of bending can be carried out according to the arrangement of the first electrode 31.So that LED filament 30 Top can mutually draw close setting at the position close to 10 top of the bulb housing, without the setting by first electrode 31 Limitation ensure that sufficient light irradiation is arranged at 10 top of bulb housing, avoid dark space problem.

The LED filament lamp 100 further includes stem 42 and support column 44, and the stem 42 setting is in 20 top of lamp cap, the branch Dagger 44 is arranged at the top of the stem, and the first electrode 31 of the LED filament lamp 100 is directed away from the direction of the support column The top of bending, the LED filament 30 is arranged close to the support column.By the way that stem 42 and support column 44 is arranged, it is used to support LED Filament 30 and electric connection structure.Direction by the way that first electrode 31 to be directed away to the support column 44 is bent so that LED filament 30 top can be arranged close to the support column 44, and avoiding 10 top of bulb housing, sufficient light does not irradiate, dark space occurs The problem of.Still more preferably, the angle formed with the LED filament 30 after the first electrode 31 bending is about 90 °, at this time The top of the LED filament 30 forms 30 ° to 45° angle with the support column.Enable to 10 top of bulb housing equal with wide-angle region It can be irradiated by sufficient light, have the advantages that wide-angle is luminous, illuminating effect.

Referring also to Fig. 1, including the first connecting pin 21 and second connection end 22, first connecting pin 21 is by conductive rigid material Material is made, which is fixed on the top of the support column 44.First connecting pin 21 is for being separately connected the LED The end of the first electrode 31 of filament 30 utilizes the first electrode 31 being obliquely installed, so that it may so that the top of the LED filament 30 in this way Portion's encapsulated layer 33 mutually draws close setting.The second connection end 22 be arranged on the stem and with the second electrode of the LED filament 30 32 electrical connections.By the way that the first connecting pin 21 to be connect with first electrode 31, the second connection end 22 and the second electrode 32 are connected It connects, to realize being electrically connected for the lamp cap 20 and the LED filament 30.

The first electrode 31 and first connecting pin 21 form connection by welding, which second connect with this End 22 forms connection by welding.The first electrode 31 is made to connect, be somebody's turn to do with first connecting pin 21 formation by using welding Second electrode 32 is formed with the second connection end 22 and is connected, and is a kind of method that cost is relatively low, easy to implement.

In conclusion being tilted by the way that the first electrode 31 is arranged to the opposite encapsulated layer 33 so that the LED filament 30 Top can mutually draw close setting at the position close to 10 top of bulb housing.So that the LED filament 30 is sent out Some light is irradiated towards the top of the bulb housing 10, and the top for avoiding the bulb housing 10 has dark space, is had big Angle shine, illuminating effect the advantages of.By the way that the first connecting pin 21 is connect with first electrode 31, by the second connection end 22 with The second electrode 32 connects, to realize being electrically connected for the lamp cap 20 and the LED filament 30.

It should be understood that the present invention is by the first electrode 31 of the LED filament 30 mainly by being arranged to bending structure, to When the first electrode 31 is connect with first connecting pin 21, does not interfere with the LED filament 30 and be arranged close to towards the support column, from And so that the light that the LED filament 30 is sent out more is irradiated towards the top of the bulb housing 10, avoids the occurrence of dark space problem.When So, according to the specific setting of the LED filament 30 difference, which can be bent into different angle, while also by the Two electrodes 32 are arranged to bending structure.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.

Claims

1. the bottom of a kind of LED filament lamp, including lamp cap, bulb housing and at least two LED filaments, the bulb housing is arranged in the lamp Overhead, the LED filament be arranged in the bulb housing, which is electrically connected with the lamp cap, the LED filament include encapsulated layer, LED light source, first electrode in encapsulated layer and second electrode, the first electrode and second electrode respectively in the encapsulated layer LED light source be electrically connected and stretch out respectively except the encapsulated layer, which is electrically connected with lamp cap respectively with the second electrode It connects, it is characterised in that：The first electrode is arranged at the top of the LED filament, which sets with respect to encapsulated layer inclination It sets and the top of the LED filament is allow mutually to draw close setting at the position at the top of the bulb housing, further include stem And support column, the stem are arranged at the top of the lamp cap, and which is arranged at the top of the stem, and the first of the LED filament Electrode is directed away from the direction bending of the support column, and the top of the LED filament is arranged close to the support column, further includes first Connecting pin, first connecting pin are used to be separately connected the end of the first electrode of the LED filament.

2. LED filament lamp according to claim 1, which is characterized in that the first electrode is made of hard conductive material.

3. LED filament lamp according to claim 1, which is characterized in that the first electrode on every LED filament is towards remote Direction bending from other LED filaments.

4. LED filament lamp according to claim 1, which is characterized in that further include the first connecting pin and second connection end, be somebody's turn to do First connecting pin is made of conductive rigid material, which is used to be separately connected the first electrode of the LED filament End, the second connection end are arranged on the stem and are electrically connected with the second electrode of the LED filament.

5. LED filament lamp according to claim 4, which is characterized in that the first electrode passes through weldering with first connecting pin It connects to form connection, which forms connection with the second connection end by welding.