CN207610018U

CN207610018U - A kind of flip LED filament of exchange driving

Info

Publication number: CN207610018U
Application number: CN201720859058.0U
Authority: CN
Inventors: 黄琴
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-07-16
Filing date: 2017-07-16
Publication date: 2018-07-13
Anticipated expiration: 2027-07-16

Abstract

The utility model provides a kind of flip LED filament of exchange driving, belongs to field of LED illumination.Wherein, flip LED filament packet LED flip chips, metal terminal, fluorescent colloid, ceramic substrate, electrolysis copper conductive traces, the current-limiting resistor voltage divider of a kind of exchange driving.Setting current limiting divider resistance and rectification LED wafer group on the inside of a kind of metal terminal of the flip LED filament of exchange driving, rectification LED wafer group is flowed to after the partial pressure current limliting that 220V electric mains pass through resistance, to unidirection luminous LED wafer powering arrays after the rectification of over commutation LED wafer group.The alternating current that common LED filament bulb can be saved by the realization of above technical scheme turns the driving power of direct current, reduce the material cost of product, simultaneously because without installing conversion driving power to reduce manufacturing process, production human cost is reduced, the competitive advantage of product is further promoted.

Description

A kind of flip LED filament of exchange driving

Technical field

The utility model is related to field of LED illumination, and alternating current can be used directly (hereinafter in particular to one kind AC) the LED filament driven.

Background technology

It gradually withdraws from the market with the incandescent lamp of highly energy-consuming, the illuminating product that LED type illuminating product becomes best is just rapid Capture illumination market.Filament LED light emitting device has higher light efficiency than conventional patch type LED light emitting device and benefits from deeply Like at family.80% material cost of filament LED bulb LED filament with exchange the driving power for being converted to direct current.With this The maturation of class filament LED lamp and universal, Cost Competition in the market is more and more fierce, how to ensure properties of product and product The competitiveness that the cost product of product is effectively reduced on the basis of matter is the current engineering technology problem for being badly in need of solving.

The utility model by new technical solution, will remove the external conversion driving power of LED filament to reduce production The Material Cost and production human cost of product.

Invention content

The purpose of this utility model is that creating a kind of flip LED filament of exchange driving, a kind of exchange driving Flip LED filament be the New LED filament for integrating driving power function and LED filament lighting function, such LED filament 220V electric mains may be used and directly drive the electric power driving module for being converted to direct current without alternating current is separately provided again. By the realization of such technology, the whole Material Cost and production human cost of lamps and lanterns can be effectively reduced so that use this The lamps and lanterns of class LED filament manufacture will have stronger competitive advantage.

The embodiments of the present invention are that under type such as is realized：

The utility model embodiment is to provide a kind of flip LED filament of exchange driving, a kind of exchange driving Flip LED filament includes LED flip chips, ceramic substrate, electrolysis copper conductive traces, fluorescent colloid, metallic conduction terminal, 0603 Type resistance.The fluorescent colloid is reconciled by the silica gel of mixing red fluorescence powder and yellowish green fluorescent powder.The metal Conducting terminal is arranged at the both ends of ceramic substrate.The electrolysis copper conductive traces are arranged in the both sides of ceramic substrate long side, with The metal terminal at the both ends of ceramic substrate maintains a certain distance.It is both provided with both ends among the electrolysis copper conductive traces The pad of LED flip chips, the LED flip chip pads among cathode copper to circuit are passed through preset using complete concatenated form Conducting wire is connected, and 4 groups of LED flip chip pads is arranged in the both sides of electrolysis copper conductive traces, and distinguish by default circuit It is connected with the wire line both ends of cathode copper.The 0603 type resistance is arranged in one end and metal terminal of ceramic substrate Side.After route arrangement is good, one layer of tin cream is coated on the pad of LED flip chips and 0603 type resistance pad respectively, then Place LED flip chips and tin cream.The difference is that 4 groups of LED flip chips in electrolysis copper conductive traces both sides, need to allow Incorgruous arrangement is presented in 2 groups of LED flip chip electrodes of the same end.It is brilliant that LED upside-down mountings are placed in the corresponding pad area of ceramic substrate The Reflow Soldering that maximum temperature is 240 DEG C is sent into after piece and 0603 type resistance so that resistance is conductive with default cathode copper with LED wafer Circuit is merged completely.After completing above step, then coats one layer of fluorescent glue on the two sides of ceramic substrate and toasted through 150 DEG C 4 hours, final product is obtained after allowing silica gel to cure.

The advantageous effect of the utility model embodiment is：

The utility model embodiment provides a kind of flip LED filament of exchange driving, is set by the both ends in ceramic substrate It sets metallic conduction terminal and facilitates spot welding in light bulb production process, 0603 type with certain resistance value is provided on the inside of metal terminal Resistance, this resistance one end are connected with metal terminal.Other end accesses the electrode of LED, this resistance will be LED after connecting alternating current Flipped light emitting chip divides current limliting.Alternating current after current limliting will be fallen by this 4 groups of LED for being arranged at cathode copper wire line both ends Chip rectification is filled, supply is electrolysed only being lighted all the way with specific direction among copper conductive traces in the form of direct current after rectification LED flip chip light emitting arrays.The alternating current for realizing filament in this manner directly drives.

A kind of flip LED filament of exchange driving provided by the utility model using electric resistance partial pressure by the above-mentioned means, limited The compound action of stream and the rectification LED at both ends, need to be arranged the driving that special alternating current is converted to direct current by conventional LED light bulb Power supply is to saving, to reduce the whole Material Cost and production human cost of product.Succeeding in developing for this technology will make Has the stronger market competitiveness with the flip chip type LED filament that can directly exchange driving.

Description of the drawings

It, below will be in embodiment in order to illustrate more clearly of the technical solution and manufacturing method of the utility model embodiment Required attached drawing is briefly described, it should be understood that and the following drawings illustrates only some embodiments of the utility model, Therefore it is not construed as the restriction to range, for those of ordinary skill in the art, what is do not made the creative labor Under the premise of, it can also be obtained according to these attached drawings other relevant attached drawings.

Fig. 1 is that a kind of holder line construction of the flip LED filament for exchange driving that the utility model embodiment provides shows It is intended to.

Fig. 2 is that a kind of LED flip chips of the flip LED filament for exchange driving that the utility model embodiment provides are fixed Mode is intended to.

Fig. 3 is a kind of electrical schematic diagram of the flip LED filament for exchange driving that the utility model embodiment provides.

Icon：101- metallic conduction terminals；102- is electrolysed copper conductive traces；103-LED flip chip pads；104-0603 Type resistance pad；105- ceramic substrates；201-0603 type resistance；202-LED flip chips；A, B, C, D- have specific direction LED flip chip groups.

Specific implementation mode

To keep the technical solution of the utility model embodiment clearer, below by the ceramic mould holder knot based on 38mm long The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described, Obviously, described embodiment is the utility model a part of the embodiment, instead of all the embodiments.

Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should be noted that：Similar label indicates similar terms in following attached drawing, therefore, once a certain Xiang Yi attached drawing In be defined, then it further need not be defined and explained in subsequent attached drawing.

Fig. 1 is please referred to, Fig. 1 is a kind of circuit of the flip LED filament for exchange driving that the utility model embodiment provides Structure is intended to.One layer of cathode copper wire line 102, cathode copper are set along two edges in the long side direction of ceramic substrate 105 Thickness be 0.06mm, width 0.2mm.Intermediate 23 LED upside-down mountings of setting a line that copper conductive traces 102 are electrolysed at two are brilliant 103 groups of piece pad, the length of LED upside-down mountings pad 103 is 0.4mm, width 0.2mm, 23 103 groups of LED flip chips pads An outermost pad is connected with upper and lower two electrolysis copper wires 102 respectively.It is arranged at the both ends of electrolysis copper conductive traces 102 There are two row LED flip chips pads 103, often row can fix 2 LED flip chips.In two rows of electrolysis copper conductive traces right end Two pads of LED flip chips are directly connected with metal terminal 101, another two pad and upper and lower two electrolysis copper conductive traces 102 are respectively connected with.The left end of ceramic substrate 105 is provided with 0603 type resistance pad 104, length of bonding pad 0.6mm, width are One end of 0.3mm, pad are connected with metal terminal, and the pad other end is connected with one of two row LED flip chips pad.

Fig. 2 is please referred to, Fig. 2 is that a kind of LED of the flip LED filament for exchange driving that the utility model embodiment provides falls It fills chip 202 and fixes schematic diagram.As shown in Fig. 2, first coating the tin paste layer that a layer thickness is 0.1mm on all pads, so It is placed through the 0603 type Chip-R 201 for accurately calculating resistance value, the utility model institute on 0603 type resistance pad 104 again afterwards Practical resistance value is 1000 Ω.2 LED flip chips 202 are fixed in a-quadrant, the positive electrode of chip fixes 2 to the right, in B area LED flip chip 202, the positive electrode of chip fix 2 LED flip chips 202 to the left, in the regions C, the positive electrode of chip to 2 LED flip chips 202 are fixed in the right side in the regions D, and positive electrode is to the left.It is finally solid in remaining 23 LED flip chip 202 23 LED flip chips 202 are fixed in crystalline region domain by the positive electrode of chip in a manner of to the right.LED flip chips 202 and patch are fixed It is sent into the Reflow Soldering that maximum temperature is 240 DEG C after sheet resistance 201, tin cream is made to melt, LED flip chips 202 and 0603 type are pasted Sheet resistance 201 is merged to form complete electric wiring completely with pad.

After completing above step, then in the upper and lower surface of ceramic substrate one layer is coated with by mixing red fluorescence powder and yellowish green The silica gel of color fluorescent powder, which reconciles, forms fluorescent glue by LED flip chips 202, ceramic substrate 105,0603 type resistance 201, cathode copper Conducting wire 102 is fully wrapped around in fluorescent glue, and then the oven for baking at 150 DEG C is formed by curing final product in 4 hours.

Fig. 3 is please referred to, Fig. 3 is a kind of electrical principle of the flip LED filament of exchange driving provided by the utility model Figure.We can clearly obtain the design principle of the utility model from figure：220V alternating currents are by being arranged in LED groups one end After resistance R partial pressure current limlitings, the rectification LED being arranged on rear side of resistance is flowed through, unidirectional drive LED is flowed to after over commutation LED rectifications Luminescent wafer group.The exchange driving of filament is realized with this.

Claims

1. a kind of flip LED filament of exchange driving, which is characterized in that a kind of flip LED filament gold of exchange driving Belong to terminal, LED flip chips, fluorescent colloid, 0603 type resistance, electrolysis copper conductive traces, ceramic substrate composition, the metal Conducting terminal is arranged at the both ends of ceramic substrate, and the electrolysis copper conductive traces are arranged in the both sides of ceramic substrate long side, with The metal terminal at the both ends of ceramic substrate maintains a certain distance, and is both provided with both ends among the electrolysis copper conductive traces The pad of LED flip chips, the complete concatenated form of LED flip chip pads use among copper conductive traces that is electrolysed pass through default Conducting wire be connected, 4 groups of LED flip chip pads are set in the both sides of electrolysis copper conductive traces, and pass through default circuit point It is not connected with the wire line both ends of cathode copper, LED flip chips and 0603 type resistance are fixed on cathode copper conduction by tin cream On circuit, the 0603 type resistance is arranged the inside in one end of ceramic substrate and metal terminal, the fluorescent colloid by Mixing red fluorescence powder and the reconciliation of the silica gel of yellowish green fluorescent powder form and are coated in the two sides of ceramic substrate.

2. a kind of flip LED filament of exchange driving according to claim 1, characterized in that a kind of exchange is driven 0603 type resistance of dynamic flip LED filament is arranged in one end of ceramic substrate close to metal terminal and by being electrolysed conductive copper wire Road is conductively connected with metal terminal formation.

3. a kind of flip LED filament of exchange driving according to claim 1, characterized in that a kind of exchange is driven The LED flip chips of dynamic flip LED filament have incorgruous row in two rows of LED flip chips that the both ends of ceramic substrate are arranged Cloth structure, a row, which is arranged, between electrolysis copper conductive traces at two has the LED flip chips arranged in the same direction.

4. a kind of flip LED filament of exchange driving according to claim 1, characterized in that a kind of exchange is driven 0603 type resistance of dynamic flip LED filament is completely wrapped in fluorescent glue, and fluorescent glue provides insulation protection for 0603 type resistance.