CN214840183U

CN214840183U - Flexible line way board COB bulb light source

Info

Publication number: CN214840183U
Application number: CN202120559084.8U
Authority: CN
Inventors: 徐芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-11-23
Anticipated expiration: 2031-03-18

Abstract

The utility model discloses a flexible line way board COB bulb light source, including metal or ceramic radiator, the LED flip chip, the flexible COB light source board that corresponds LED flip chip coating has phosphor powder and silica gel, plastic or glass lamp shade, the bulb is built-in integrative, the components of a whole that can function independently, the LED drive circuit board of external components of a whole that can function independently, flexible line way board COB bulb light source, the bulb is through directly pasting dress LED chip on the flexible line way board and arouse that the fluorescent lamp is luminous through the chip, it is luminous even to give out light, no granular sensation, for user splendid result of use and illumination experience, and directly paste the dress chip on the circuit board through the bulb, the heat that sends when the LED chip lights directly passes through the circuit board, lead on metal or the ceramic radiator and taken away, the life of LED lamp pearl has been prolonged by a wide margin, the life-span of bulb has been brought from this.

Description

Flexible line way board COB bulb light source

Technical Field

The utility model relates to a light source technical field specifically is a flexible line way board COB bulb light source.

Background

The traditional bulb light source is produced by adopting a method of mounting 2835.3014.5050-specification LED lamp beads on a circuit board, and the LED lamp beads have smaller light-emitting angles and smaller light-emitting surfaces, so that the surface of the bulb is obviously visible with a point granular feeling, and the using effect and experience are poor;

and because the traditional bulb is produced by mounting the LED lamp beads, heat is transferred through the LED lamp bead support, the heat dissipation effect is poor, the lamp beads are easy to die, and the service life of the corresponding bulb is short.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible line way board COB bulb light source, the bulb is through directly pasting dress LED chip on the flexible line way board and arouse the fluorescent lamp through the chip and give out light, it is even to give out light, no granular sensation, for user's splendid result of use and illumination experience, and directly paste dress chip on the circuit board through the bulb, the heat that sends when the LED chip is lighted directly passes through the circuit board, lead on metal or the ceramic radiator and taken away, by a wide margin the life of LED lamp pearl has prolonged, the life-span of bulb has been brought from this by a wide margin.

In order to achieve the above object, the utility model provides a following technical scheme: a flexible circuit board COB bulb light source comprises a metal or ceramic radiator, an LED flip chip, a flexible COB light source plate, a plastic cement or glass lampshade, wherein fluorescent powder and silica gel are coated on the flexible COB light source plate corresponding to the LED flip chip;

the tail end of the flexible COB light source plate is bent into a whole and is attached with a flexible COB light source plate II, the surface of the flexible COB light source plate II is attached with an LED flip chip II, the LED driving circuit board is arranged at one end of the flexible COB light source plate and is connected with the flexible COB light source plate and the flexible COB light source plate II, buckling positions are arranged on the periphery of the metal or ceramic radiator in an equidistant mode, buckling pieces corresponding to the buckling positions are arranged at the mounting end of the plastic or glass lampshade, the plastic or glass lampshade corresponds to the outer portion of the flexible COB light source plate and is covered with the buckling positions through the buckling pieces or the buckling positions, or glue is fixedly mounted;

the end part of the metal or ceramic radiator is integrally provided with a radiator of a silicon dioxide ceramic or aluminum alloy metal structure, the inside of the radiator is provided with a heat conducting sheet corresponding to the flexible COB light source plate, and the tail end of the radiator is provided with an electrode sheet connected with a power supply.

Furthermore, the buckling positions and the buckling pieces are at least correspondingly provided with three groups, and a sealing rubber ring is arranged at the joint of the plastic or glass lampshade and the metal or ceramic radiator.

Further, plastic or glass lamp shade correspond flexible COB light source board and are transparent cladding form setting.

Furthermore, the heat conducting sheet is arranged inside the radiator in a wrapping mode through the radiator and is arranged in an integrated structure with the metal or ceramic radiator, and the radiator is provided with heat dissipation holes corresponding to the heat conducting sheet.

Furthermore, the heat conducting sheet is wrapped inside the radiator through the radiator.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the flexible COB light source board that is hexagon or other shapes and correspond flexible COB light source board's end an organic whole and set up flexible COB light source board two on metal or ceramic radiator, drive operation to flexible COB light source board and flexible COB light source board two after LED drive circuit board connects the power, LED flip chip and LED flip chip two are through plastic or glass lamp shade printing opacity, realize the printing opacity illumination of no facula, no dark space, improve the illumination degree of consistency, and through the heat conduction heat dissipation of radiator cooperation conducting strip and metal or ceramic radiator to the operation of flexible COB light source board production, improve the heat dissipation effect of COB bulb operation, ensure bulb normal life; when the plastic or glass lampshade is damaged or the light transmission definition is not good, the plastic or glass lampshade can be replaced through the disassembly of the buckling positions and the buckling pieces, and the use cost is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1. a metal or ceramic heat sink; 2. an LED flip chip; 3. a flexible COB light source board; 4. Plastic or glass lamp covers; 5. an LED drive circuit board; 6. a flexible COB light source plate II; 7. an LED flip chip II; 8. a heat conductive sheet; 9. heat dissipation holes; 10. an electrode sheet; 11. buckling; 12. buckling pieces; 13. A heat sink.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, a flexible circuit board COB bulb light source comprises a metal or ceramic heat sink 1, an LED flip chip 2, a flexible COB light source board 3 coated with fluorescent powder and silica gel corresponding to the LED flip chip 2, and a plastic or glass lampshade 4, wherein an integrated, split and external split LED driving circuit board 5 is arranged in the bulb, the LED flip chip 2 is arranged on the surface of the metal or ceramic heat sink 1, and the back of the flexible COB light source board 3 is fixedly arranged on the metal or ceramic heat sink 1 in a hexagonal and circular shape through a double-sided adhesive sticker;

the tail end of the flexible COB light source plate 3 is bent into a whole and is provided with a flexible COB light source plate II 6, the surface of the flexible COB light source plate II 6 is provided with an LED flip chip II 7, the LED driving circuit board 5 is arranged at one end of the flexible COB light source plate 3 and is connected with the flexible COB light source plate 3 and the flexible COB light source plate II 6, the periphery of the metal or ceramic radiator 1 is equidistantly provided with buckling positions 11, the mounting end of the plastic or glass lampshade 4 is provided with buckling pieces 12 corresponding to the buckling positions 11, the plastic or glass lampshade 4 corresponds to the external covering of the flexible COB light source plate 3 and is fixedly buckled with the buckling positions 11 through the buckling pieces 12;

the end part of the metal or ceramic radiator 1 is integrally provided with a radiator 13 of a silicon dioxide ceramic or aluminum alloy metal structure, the inside of the radiator 13 corresponding to the flexible COB light source plate 3 is provided with a heat conducting sheet 8, and the tail end of the radiator 13 is provided with an electrode plate 10 connected with a power supply.

Specifically, the buckling positions 11 and the buckling pieces 12 are at least correspondingly provided with three groups, and a sealing rubber ring is arranged at the joint of the plastic or glass lampshade 4 and the metal or ceramic radiator 1.

Specifically, plastic or glass lamp shade 4 correspond flexible COB light source board 3 and two 6 transparent cladding form settings of flexible COB light source board.

Specifically, the heat conducting strip 8 is wrapped inside the heat radiator 13 through the heat radiator 13 and is structurally integrated with the metal or ceramic heat radiator 1, and the heat radiator 13 is provided with heat radiating holes 9 corresponding to the heat conducting strip 8. The surface of conducting strip 8 adopts insulation system to set up, ensures that conducting strip 8 can not produce electrically conductive problem when flexible COB light source board 3 operation production heat is derived, and louvre 9 can be opened or not seted up according to the shape of radiator.

In summary, the following steps: the flexible COB light source plate 3 is arranged on the metal or ceramic heat radiator 1 in a hexagonal shape and the flexible COB light source plate two 6 is integrally arranged corresponding to the tail end of the flexible COB light source plate 3, the flexible COB light source plate 3 and the flexible COB light source plate two 6 are driven to operate after the LED driving circuit board 5 is connected with a power supply, one end of the flexible COB light source plate 3 is connected to the LED driving circuit board 5 through a power supply wire, one end of the LED driving circuit board 5 is provided with two power supply wires connected to a lamp holder (model G4/G9/E14/E27/E40 and the like), double-sided adhesive sticker is pasted on the back of the flexible circuit board, the flexible circuit board is arranged on the metal or ceramic heat radiator 1 in a winding or flat pasting mode after being formed through punching, the LED flip chip 2 and the LED flip chip two 7 are transparent through a plastic or glass lampshade 4, light transmission without light spots and light transmission illumination without dark areas is realized, and the illumination uniformity is improved, the heat generated by the operation of the flexible COB light source plate 3 is conducted and radiated by matching the heat-conducting sheet 8 and the metal or ceramic heat radiator 1 through the heat radiator 13, so that the operation heat radiation effect of the COB bulb is improved, and the normal service life of the bulb is ensured; when the plastic or glass lampshade 4 is damaged or the light transmission definition is poor, the plastic or glass lampshade 4 can be replaced by disassembling the buckling positions 11 and the buckling pieces 12, or the plastic or glass lampshade is directly fixed on the metal or ceramic radiator 1 by glue, so that the use cost is reduced;

flexible line way board COB bulb light source adopts by direct luminous behind the LED chip arouses phosphor powder, and the contrast tradition pastes the bulb light source of various model LED lamp pearls such as 2835.3014.5050.3030, possesses following advantage: 1. the light is uniform and has no granular sensation; 2. the heat of the chip is directly conducted to the heat dissipation body through the circuit board, the heat dissipation is rapid, the service life of the bulb is prolonged, and the appearance of the bulb is more attractive.

Claims

1. The utility model provides a flexible line way board COB bulb light source, includes metal or ceramic radiator (1), LED flip chip (2), corresponds flexible COB light source board (3), plastic or glass lamp shade (4) that LED flip chip (2) coating has phosphor powder and silica gel, LED drive circuit board (5) of the built-in an organic whole of bulb, components of a whole that can function independently, external components of a whole that can function independently, its characterized in that: the LED flip chip (2) is arranged on the surface of the metal or ceramic radiator (1), and the back of the flexible COB light source plate (3) is fixedly arranged on the metal or ceramic radiator (1) in a hexagonal and circular shape through double-sided adhesive sticker;

the tail end of the flexible COB light source plate (3) is bent into a whole and is pasted with a flexible COB light source plate II (6), the surface of the flexible COB light source plate II (6) is pasted with a LED flip chip II (7), one end of the flexible COB light source plate (3) is arranged on the LED driving circuit board (5), the flexible COB light source plate II (6) is connected with the flexible COB light source plate (3) and the flexible COB light source plate II (6), buckling positions (11) are arranged at the periphery of the metal or ceramic radiator (1) in an equidistant mode, buckling pieces (12) corresponding to the buckling positions (11) are arranged at the mounting end of the plastic or the glass lampshade (4), the plastic or the glass lampshade (4) corresponds to the external covering of the flexible COB light source plate (3), and the plastic or the glass lampshade (4) is fixedly buckled with the buckling positions (11) through the buckling pieces (12);

the end part of the metal or ceramic radiator (1) is integrally provided with a radiator (13) of a silicon dioxide ceramic or aluminum alloy metal structure, a heat conducting sheet (8) is arranged inside the radiator (13) corresponding to the flexible COB light source plate (3), and the tail end of the radiator (13) is provided with an electrode sheet (10) connected with a power supply.

2. The flexible wiring board COB bulb light source of claim 1, characterized in that: the buckling positions (11) and the buckling pieces (12) are at least correspondingly provided with three groups, and sealing rubber rings are arranged at the joints of the plastic or glass lamp covers (4) and the metal or ceramic radiator (1).

3. The flexible wiring board COB bulb light source of claim 1, characterized in that: plastic or glass lamp shade (4) correspond flexible COB light source board (3) and flexible COB light source board two (6) and are transparent cladding form setting.

4. The flexible wiring board COB bulb light source of claim 1, characterized in that: the heat conducting strip (8) is wrapped inside the radiator (13) through the radiator (13) and is structurally integrated with the metal or ceramic radiator (1), and the radiator (13) is provided with heat radiating holes (9) corresponding to the heat conducting strip (8).