WO2018113115A1

WO2018113115A1 - Led light bulb wick structure made of flexible filament emitting light over 360°, and method for manufacturing same

Info

Publication number: WO2018113115A1
Application number: PCT/CN2017/077325
Authority: WO
Inventors: 涂君
Original assignee: 涂君
Priority date: 2016-12-22
Filing date: 2017-03-20
Publication date: 2018-06-28
Also published as: CN106764522A

Abstract

Disclosed are an LED light bulb wick structure made of a flexible filament (3, 32, 33, 34, 35, 36, 37, 38, 39) emitting light over 360°, and a method for manufacturing same. The wick structure is composed of a filament (3, 32, 33, 34, 35, 36, 37, 38, 39), a wick support column (5), and a fixing retainer ring (9), wherein the wick support column (5) is connected to at least one freely bending and formed monochromatic or multi-colour semiconductor light-emitting LED flexible filament (3, 32, 33, 34, 35, 36, 37, 38, 39); the filament (3, 32, 33, 34, 35, 36, 37, 38, 39) is threaded in the fixing retainer ring (9) on the wick support column (5) to form a filament retaining assembly; two ends of the filament (3, 32, 33, 34, 35, 36, 37, 38, 39) are respectively riveted to metal filament terminals (8) of the wick support column (5); and the filament (3, 32, 33, 34, 35, 36, 37, 38, 39) and a lamp housing (2) are sealed, exhausted, evacuated, and filled with helium to form a separate sealed light-emitting body. The LED light bulb wick structure made of a flexible filament (3, 32, 33, 34, 35, 36, 37, 38, 39) emitting light over 360° has characteristics such as being highly efficient and energy-saving, and having a long service life, 360° light emission, no interruption, no shadow, multiple colours, and multiple models. In the LED light bulb wick structure made of a flexible filament (3, 32, 33, 34, 35, 36, 37, 38, 39) emitting light over 360°, the filament (3, 32, 33, 34, 35, 36, 37, 38, 39) can be positioned according to the number and position of the fixing retainer rings (9) so as to form light-emitting assemblies of arbitrary shape and different models, and can achieve different light-emitting effects according to different usage requirements.

Description

LED bulb wick structure made by 360° luminous flexible filament and manufacturing method thereof

Technical field

The invention relates to LED lighting technology, in particular to an LED bulb wick structure and a manufacturing method thereof, which are made of 360° luminous flexible filaments for various decorations, lamps and engineering lighting.

Background technique

Despite the different shapes of the luminaires, the core of the lighting – there are three main types of traditional bulbs: incandescent and fluorescent, gas discharge lamps. However, with the further maturity of LED technology, LED has achieved more and better development in the field of room lighting design and development, fully reflecting the development trend of energy-saving, healthy, artistic and humanized lighting. Therefore, the LED bulb has the characteristics of high efficiency and long life, and can be used continuously for less than 25,000 hours, which is nearly 100 times longer than ordinary incandescent bulbs.

LED bulbs use the existing interface, namely screw (E26\E27\E14, etc.), socket (B22, etc.), and even mimic the shape of incandescent bulbs in accordance with people's usage habits; based on LED unidirectional The principle of illumination, the designer made a change in the structure of the lamp, so that the light distribution curve of the LED bulb basically converges with the point source of the incandescent lamp.

Although the existing LED bulbs have been greatly improved, the conventional LED bulbs have a small illumination angle and require a heat dissipating component to assist in heat dissipation, which is limited to a single shape. Meanwhile, the existing LED sapphire and ceramic LED filament lamps have The yin and yang surface is easy to produce dark areas; in addition, because the substrate is a hard material, it can not be freely bent and formed into a multi-shape flower structure, which ultimately leads to a single shape of the semiconductor light-emitting component, which cannot satisfy the increasingly fashionable aesthetic and leisure needs of people.

In this case, it is important to point out that through market research and analysis, the technical solution that can solve the existing problems can be realized through the characteristics of the case. The semiconductor light-emitting LED guide chip is mounted on the FPC substrate of different lengths, and then the external coating is high. Bright fluorescent material, LED bulb made of 360° luminous flexible filament.

Therefore, in view of the above aspects, it is necessary to effectively innovate the prior art.

Summary of the invention

In view of the above drawbacks, the present invention provides an LED bulb wick structure and a manufacturing method made of a 360° light-emitting flexible filament, which can realize a decorative multi-point light source decorative lamp with different shapes, having 360° illumination, no interruption, no shadow, and more The advantages of color, multi-shape, etc., to solve many shortcomings of the prior art.

To achieve the above object, the present invention adopts the following technical solutions:

The LED bulb wick structure made of 360° light-emitting flexible filament is composed of a filament, a wick support column and a fixed buckle, and the wick support column is connected with at least one flexible curved filament of a monochromatic or multi-color semiconductor light-emitting LED which is randomly bent and formed; The filament is wound around the fixed buckle on the wick support column to form a buckle assembly. The two ends of the LED flexible filament are respectively riveted to the metal end of the filament of the wick support column, and the LED flexible filament is vacuumed by the seal through the seal. The helium gas is filled to form an independent sealed illuminator.

Correspondingly, the filament length is any value between 30 mm and 600 mm; the filament is mounted on the substrate by using the flexible circuit board as a substrate carrier.

The LED chip is mounted on a substrate and then coated with a high-brightness phosphor;

The filament is wound on the wick support column by a string or parallel manner in a regular or irregular manner;

The wick support post and the fixed buckle form an illuminating assembly of any shape.

The sealed illuminator is connected to the driving power source through a predetermined conductive wire of the wick support column, and then fixed to the lamp cap to drive and illuminate the light to form a semiconductor illuminating source system.

The shape of the filament is a curved shape, a cross shape, a heart shape, a wave shape, a ring shape, a U shape or a serpentine shape.

An LED light bulb having a lamp housing having a different shape on the outside, and having an LED bulb wick structure made of a 360° light-emitting flexible filament inside.

A method for manufacturing an LED bulb comprising the wick structure of claim 1 comprises the following steps:

(1) Firstly, a molded LED illuminating filament will be fabricated, and a 360° illuminating monochromatic or multi-color semiconductor illuminating LED flexible filament which can be freely bent and formed according to the needs of the product is cut into any value of 30 mm-600 mm;

(2) Then, the two ends of the LED flexible filament with the set length are die-cast and fixed on the forming terminal for connecting the power supply lead;

(3) taking a processed glass core column, and fixing the wire rod with a buckle ring on the core column according to different shapes to form a support cylinder assembly;

(4) taking a step (2) the LED flexible filament with the terminal is passed through the fixed buckle of the support cylinder to form a light-emitting component of any shape and shape;

(5) The two metal ends of the flexible LED filament wick are placed at the buckle by riveting and fixing by a die casting machine to form a light source assembly;

(6) Finally, the illuminating source assembly and the differently shaped glass bulbs are filled with helium by sealing exhaust gas to form an independent sealed illuminator;

(7) The sealed illuminator is connected to the driving power source through a conductive wire preset by the support column assembly. Then, it is connected and fixed to the lamp cap, and is driven to illuminate and emit light to form a semiconductor light source.

The LED bulb wick structure and manufacturing method made by the 360° light-emitting flexible filament according to the present invention have the following beneficial effects:

(1) The structure has the characteristics of semiconductor light emission with different lengths of 30mm-600mm, high efficiency, energy saving, long life, 360° illumination, no interruption, no shadow, multi-color, multi-shape and so on;

(2) According to the number and position of the wick support column and the fixed buckle, it can be composed of any shape and pattern to form different illuminating components, which can achieve different illuminating effects according to different usage requirements;

(3) The light source component and the glass bulb of different shapes form a unique independent sealed illuminator by vacuuming the sealed exhaust gas, which is suitable for various decorative, luminaire and engineering lighting;

(4) The manufacturing method is advantageous for cost saving, variable shape, long service life, uniform illumination, and favorable illumination.

DRAWINGS

The invention will now be described in further detail with reference to the accompanying drawings.

1 is a schematic view showing the structure of an LED bulb wick made of a 360° light-emitting flexible filament according to Embodiment 1 of the present invention;

2 is a schematic structural view of an LED bulb wick made of a 360° light-emitting flexible filament according to Embodiment 2 of the present invention;

3 is a schematic structural view of an LED bulb wick made of a 360° light-emitting flexible filament according to Embodiment 3 of the present invention;

4 is a schematic structural view of an LED bulb wick made of a 360° light-emitting flexible filament according to Embodiment 4 of the present invention;

5 is a schematic structural view of an LED bulb wick made of a 360° light-emitting flexible filament according to Embodiment 5 of the present invention;

6 is a schematic structural view of an LED bulb wick made of a 360° light-emitting flexible filament according to Embodiment 6 of the present invention;

7 is a schematic structural view of an LED bulb wick made of a 360° light-emitting flexible filament according to Embodiment 7 of the present invention;

8 is a schematic structural view of an LED bulb wick made of a 360° light-emitting flexible filament according to Embodiment 8 of the present invention;

9 is a schematic view showing the structure of an LED bulb wick made of a 360° light-emitting flexible filament according to Embodiment 9 of the present invention.

In the picture:

1, lamp holder; 2, lamp housing; 3, filament; 4, drive power; 5, wick support column; 6, heat dissipation gas; 7, vacuum chamber; 8, filament metal terminal; 9, fixed buckle;

32, curved filament; 33, cross-shaped filament; 34, heart-shaped filament; 35, cross-shaped filament; 36, wavy filament; 37, ring filament; 38, U-shaped filament; 39, serpentine filament.

detailed description

Example 1

As shown in FIG. 1 , the LED bulb wick structure made of 360° light-emitting flexible filament according to the embodiment of the present invention is composed of a filament 3, a wick support column 5 and a fixed buckle 9 , and the wick support column 5 and the extension lamp The support column assembly inside the shell 2 is connected, and the wick support column 5 is connected with at least one flexible bendable monochromatic or multi-color semiconductor light-emitting LED filament 3 of any value ranging from 30 mm to 600 mm, and the light-emitting LED filament 3 is distributed. Yu The lamp housing 2 has a conventional bulb shape.

Further, the filament 3 is mounted on the FPC substrate by using a flexible FPC as a substrate carrier, and is coated with a high-brightness phosphor to realize a 360° light-emitting flexible filament 3, which has high light efficiency and free bending. , folding molding and other characteristics;

Correspondingly, the filament 3 is regularly or irregularly wound in a fixed buckle 9 on the wick support column 5 in a series or parallel manner to form a buckle assembly according to the number and position of the wick support column 5 and the fixed buckle 9 Positioning the wick support column 5 to form any shape and pattern to form different illuminating components;

Further, the two ends of the 360° light-emitting flexible filament 3 are respectively riveted to the filament metal terminal 8 of the wick support column 5, and then the sealed lamp housing 2 is sealed with a vacuum to form a unique independent sealed illuminator. The sealed illuminator has a vacuum chamber 7 inside and a heat-dissipating gas 6 inside the vacuum chamber 7.

At the same time, the sealed illuminator is connected to the 12-265V LED driving power source 4 through the conductive wire preset by the wick support column 5, and then fixed to the lamp holder 1 to drive and illuminate to form a complete semiconductor illuminating source, thereby achieving uninterrupted and non-interrupted Shadow illuminating effect, and has the advantages of low current and low power consumption.

Example 2

As shown in FIG. 2, the LED bulb wick structure made of the 360° light-emitting flexible filament according to the embodiment of the present invention is composed of a curved filament 32 and a wick support column 5, and the wick support column 5 extends into the lamp housing 2 The support column assembly is connected, and the wick support column 5 is connected with at least one curved flexible bendable monochromatic or multi-color semiconductor light-emitting LED curved filament 32, the light-emitting LED curved filament 32 being distributed with a conventional light bulb The lamp housing 2 is shaped; the curved filament 32 is connected to the wick support column 5 by a fixing assembly.

Further, the two ends of the curved filament 32 are respectively connected with one end of the conductive wire, and then the lamp housing 2 of different shapes is vacuum-filled with a sealed exhaust gas to form a unique independent sealed illuminator, and the sealed illuminator has a built-in illuminator inside. The vacuum chamber 7 and the inside of the vacuum chamber 7 have a heat-dissipating gas 6.

Further, the structure of the base 1 and the driving power source 4 is the same as that described above.

Example 3

As shown in FIG. 3, the LED bulb wick structure made of the 360° light-emitting flexible filament according to the embodiment of the present invention is composed of a cross-shaped filament 33 and a wick support column 5, and the wick support column 5 extends into the lamp housing 2 The support column assembly is connected, the wick support column 5 is connected with an LED cross-shaped filament 33, and the LED cross-shaped filament 33 is distributed in the cylindrical lamp housing 2; between the cross-shaped filament 33 and the wick support column 5 Connected by a fixed component.

Further, the two ends of the cross-shaped filament 33 are respectively connected with one end of the conductive wire, and then the lamp housing 2 of different shapes is vacuum-filled with a sealed air to form a unique independent sealed illuminator, and the sealed illuminator has a built-in illuminator inside. The vacuum chamber 7 and the inside of the vacuum chamber 7 have a heat-dissipating gas 6.

Example 4

As shown in FIG. 4, the LED bulb wick structure made of the 360° light-emitting flexible filament according to the embodiment of the present invention is composed of a heart-shaped filament 34 and a wick support column 5, and the wick support column 5 extends into the lamp housing 2 The support column assembly is connected, the wick support column 5 is connected with an LED heart-shaped filament 34, which is distributed in the cylindrical lamp housing 2; between the heart-shaped filament 34 and the wick support column 5 Connected by a fixed component.

Further, the two ends of the card-shaped filament 34 are respectively connected to one end of the conductive wire, and then the lamp housing 2 of different shapes is vacuum-filled with a sealed air to form a unique independent sealed illuminator, and the sealed illuminator has a built-in illuminator inside. The vacuum chamber 7 and the inside of the vacuum chamber 7 have a heat-dissipating gas 6.

Example 5

As shown in FIG. 5, the LED bulb wick structure made of the 360° light-emitting flexible filament according to the embodiment of the present invention is composed of a cross-shaped filament 35 and a wick support column 5, and the wick support column 5 and the lamp housing 2 are extended. The inner support column assembly is connected, the wick support column 5 is connected with a cross-shaped filament 35, and the cross-shaped filament 35 is distributed in the cylindrical lamp housing 2; the cross-shaped filament 35 and the wick support column 5 Connected by fixed components.

Further, the two ends of the cross-shaped filament 35 are respectively connected to one end of the conductive wire, and then the lamp housing 2 of different shapes is vacuum-filled by the sealing exhaust gas to form a unique independent sealed illuminator, and the inside of the sealed illuminator There is a vacuum chamber 7 and the inside of the vacuum chamber 7 has a heat-dissipating gas 6.

Example 6

As shown in FIG. 6, the LED bulb wick structure made of the 360° light-emitting flexible filament according to the embodiment of the present invention is composed of a wavy filament 36 and a wick support column 5, and the wick support column 5 extends into the lamp housing 2 The support column assembly is connected, the wick support column 5 is connected with a wavy filament 36, and the wavy filament 36 is distributed in the cylindrical lamp housing 2; the wavy filament 36 and the wick support column 5 are fixed by Component connection.

Further, the two ends of the wavy filament 36 are respectively connected with one end of the conductive wire, and then the lamp housing 2 of different shapes is vacuum-filled with a sealed exhaust gas to form a unique independent sealed illuminator, and the sealed illuminator has a built-in illuminator inside. The vacuum chamber 7 and the inside of the vacuum chamber 7 have a heat-dissipating gas 6.

Example 7

As shown in FIG. 7, the LED bulb wick structure made of the 360° light-emitting flexible filament according to the embodiment of the present invention is composed of a ring filament 37 and a wick support column 5, and the wick support column 5 and the inside of the lamp housing 2 are extended. The support column assembly is connected, and the wick support column 5 is connected with a ring filament 37 which is distributed in the cylindrical lamp housing 2; the ring filament 37 and the wick support column 5 are connected by a fixing assembly.

Further, the two ends of the ring filament 37 are respectively connected with one end of the conductive wire, and then the lamp housing 2 of different shapes is vacuum-filled with a sealed air to form a unique independent sealed illuminator, and the sealed illuminator has a vacuum inside. The chamber 7 and the inside of the vacuum chamber 7 have a heat-dissipating gas 6.

Example 8

As shown in FIG. 8 , the LED bulb wick structure made of the 360° light-emitting flexible filament according to the embodiment of the present invention is composed of a U-shaped filament 38 and a wick support column 5 , and the wick support column 5 extends into the lamp housing 2 . The support column assembly is connected, the wick support column 5 is connected with a U-shaped filament 38, and the U-shaped filament 38 is distributed in the cylindrical lamp housing 2; the U-shaped filament 38 and the wick support column 5 are fixed by Component connection.

Further, the two ends of the U-shaped filament 38 are respectively connected with one end of the conductive wire, and then the lamp housing 2 of different shapes is vacuum-filled with a sealed exhaust gas to form a unique independent sealed illuminator, and the sealed illuminator has an internal a vacuum chamber 7 and the vacuum chamber 7 has a There is a heat dissipation gas 6.

Example 9

As shown in FIG. 9, the LED bulb wick structure made of the 360° light-emitting flexible filament according to the embodiment of the present invention is composed of a serpentine filament 39 and a wick support column 5, and the wick support column 5 extends into the lamp housing 2 The support column assembly is connected, the wick support column 5 is connected with a serpentine filament 39, and the serpentine filament 39 is distributed in the cylindrical lamp housing 2; the serpentine filament 39 and the wick support column 5 are fixed by Component connection.

Further, the two ends of the serpentine filament 39 are respectively connected to one end of the conductive wire, and then the lamp housing 2 of different shapes is vacuum-filled by the sealing exhaust gas to form a unique independent sealed illuminator, and the sealed illuminator has a built-in illuminator inside. The vacuum chamber 7 and the inside of the vacuum chamber 7 have a heat-dissipating gas 6.

Example 10

As shown in FIG. 1 , a method for fabricating an LED bulb wick structure made of a 360° light-emitting flexible filament according to an embodiment of the present invention is mainly composed of the following steps:

(1) Firstly, the molded LED light-emitting filament will be cut into a freely bendable monochromatic or multi-color semiconductor light-emitting LED flexible filament with a length of 30mm-600mm according to the needs of the product, which can be bent and formed at will, and can realize 360. ° luminescence;

(3) taking the formed glass core column, and fixing the wire with the buckle ring to the core column by heating and fixing the glass core column to form a support column assembly;

(4) Take one step (2) LED flexible filament with terminal, according to the modeling needs, and the serial and parallel way to regularly and irregularly pass the LED flexible filament through the support column. In the fixed buckle, the wick is positioned according to the number and position of the support cylinder assembly and the fixed buckle to form any shape and pattern to form different illuminating components;

(5) taking the wire assembly of the LED flexible filament, bending the exposed wire of the core tube to form a buckle ring, respectively taking the two metal ends of the flexible LED filament wick assembly at the buckle and riveting and fixing by the die casting machine to form Light source component;

(6) The illuminating source assembly and the differently shaped glass bulbs are filled with helium by sealing the exhaust gas to form a unique independent sealed illuminator;

(7) The sealed illuminator is connected to the 12-265V LED driving power supply through the conductive wire preset by the supporting column assembly, and then connected and fixed with the lamp cap to drive and illuminate, forming a complete semiconductor illuminating source, achieving uninterrupted and no shadow illuminating effect.

The above description of the embodiments is provided to enable those skilled in the art to understand and apply the present technology. Those skilled in the art can readily make various modifications to the examples and apply the general principles described herein. In other embodiments, no creative work is required. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art according to the disclosure of the present invention, the improvements and modifications made to the present case, for example, the shape and size of the lamp housing, the shape of the wick column, the shape of the lamp cap, and the type of the driving power source, If the shape of the filament, etc., does not produce any beneficial effects beyond the present case, it should be within the scope of protection of this case.

Claims

LED bulb wick structure made of 360° light-emitting flexible filament, characterized in that it comprises a filament, a wick support column and a fixed buckle, and the wick support column is connected with at least one randomly curved monochromatic or multi-color semiconductor light-emitting LED a flexible filament; the filament is wound around a fixed buckle on the wick support column to form a buckle assembly, and the two ends of the LED flexible filament are respectively riveted to the metal end of the filament of the wick support column, and the LED flexible filament is sealed with the lamp shell The exhaust gas is vacuumed and filled with helium to form an independent sealed illuminator.
The LED bulb wick structure made of the 360° illuminating flexible filament according to claim 1, wherein the filament length is any value between 30 mm and 600 mm.
The LED bulb wick structure of the 360° illuminating flexible filament according to claim 1, wherein the filament has a plurality of semiconductor illuminating LED chips mounted on the substrate by using the flexible circuit board as a substrate carrier.
The LED bulb wick structure of the 360° illuminating flexible filament according to claim 3, wherein the LED chip is mounted on the substrate and then coated with a high-brightness phosphor.
The LED bulb wick structure made of the 360° illuminating flexible filament according to claim 3, wherein the filament is wound on the wick support column in a regular or irregular manner in a series or parallel manner.
The LED bulb wick structure of the 360° illuminating flexible filament according to claim 1, wherein the wick support post and the fixed buckle form an illuminating component of any shape.
LED bulb made of 360° luminous flexible filament according to claim 1 The wick structure is characterized in that: the sealed illuminator is connected to the driving power source through a predetermined conductive wire of the wick support column, and then fixed to the lamp cap to drive and illuminate the light to form a semiconductor illuminating source system.
The LED bulb wick structure made of the 360° light-emitting flexible filament according to any one of claims 1 to 7, wherein the filament has a curved shape, a cross shape, a heart shape, a wave shape, a ring shape, and a U shape. Or a serpentine structure.
An LED light bulb having a lamp housing having a different shape on the outside, characterized in that an LED bulb wick structure made of a 360° light-emitting flexible filament is internally provided.
A method for fabricating an LED bulb comprising the wick structure of claim 1 is characterized by the following steps:

(1) Firstly, a molded LED illuminating filament will be fabricated, and a 360° illuminating monochromatic or multi-color semiconductor illuminating LED flexible filament which can be freely bent and formed according to the needs of the product is cut into any value of 30 mm-600 mm;

(2) Then, the two ends of the LED flexible filament with the set length are respectively die-cast and fixed on the forming terminal for connecting the power supply lead;

(3) taking a processed glass core column, and fixing the wire rod with a buckle ring on the core column according to different shapes to form a support cylinder assembly;

(4) taking a step (2) the LED flexible filament with the terminal is passed through the fixed buckle of the support cylinder to form a light-emitting component of any shape and shape;

(5) The two metal ends of the flexible LED filament wick are placed at the buckle by riveting and fixing by a die casting machine to form a light source assembly;

(6) Finally, the illuminating source assembly and the differently shaped glass bulbs are filled with helium by sealing exhaust gas to form an independent sealed illuminator;

(7) The sealed illuminator is connected to the driving power source through the conductive wire preset by the supporting column assembly, and then connected and fixed to the lamp cap to drive and illuminate to form a semiconductor illuminating source.