CN218599503U - Luminous even COB lamp area - Google Patents
Luminous even COB lamp area Download PDFInfo
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- CN218599503U CN218599503U CN202222765983.0U CN202222765983U CN218599503U CN 218599503 U CN218599503 U CN 218599503U CN 202222765983 U CN202222765983 U CN 202222765983U CN 218599503 U CN218599503 U CN 218599503U
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- copper foil
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- lamp area
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The utility model discloses a luminous even COB lamp area, including the flexible line way board, the flexible line way board includes a plurality of parallel connection's circuit board unit, the both ends of circuit board unit all are equipped with anodal pad and negative pole pad, be equipped with a plurality of series connection's flip-chip LED chipset and a plurality of resistance on the circuit board unit, the flip-chip LED chipset includes two flip-chip LED chips of parallel connection, the upper surface of flexible line way board is equipped with the cover the fluorescent colloid of flip-chip LED chip, the flexible line way board is including positive insulating layer, positive circuit layer, intermediate insulation layer, back circuit layer and the back insulating layer that from top to bottom sets gradually, positive insulating layer is equipped with anodal pad hole of power, power negative pole pad hole, LED chip pad hole and resistance pad hole. The utility model discloses it is luminous stable, luminous angle is greater than 180 degrees, and operating temperature is low, and the radiating effect is good, and is luminous even, and anti-dazzle nature is good, convenient to use.
Description
Technical Field
The utility model relates to a lamp area technical field, concretely relates to luminous even COB lamp area.
Background
The COB lamp area is a banded LED product formed by assembling LED chips on an FPC (Flexible Printed Circuit board), and has the advantages of long service life, energy saving and environmental protection, thereby obtaining increasingly wide application in the field of lighting. But current COB lamp area generally comprises a plurality of LED chips series connection, damages the back when certain LED chip, and whole lamp area is not bright, brings inconvenience for the user, and current most COB lamp area is whole fluorescent colloid cladding simultaneously on LED chip and resistance, and the radiating effect that leads to COB lamp area is not good, influences the luminous stability and the luminous homogeneity in COB lamp area, and consumer experiences not good. Therefore, there is a need for improvements in the prior art to avoid the disadvantages of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the shortcoming and not enough among the prior art, provide a simple structure, convenient to use's luminous even COB lamp area.
The utility model discloses a realize through following technical scheme:
the utility model provides a luminous even COB lamp area, includes the flexible line way board, the flexible line way board includes a plurality of parallel connection's circuit board unit, the both ends of circuit board unit all are equipped with positive pad and negative pole pad, be equipped with a plurality of series connection's flip-chip LED chipset and a plurality of resistance on the circuit board unit, flip-chip LED chipset includes two flip-chip LED chips of parallel connection, the upper surface of flexible line way board is equipped with the cover the fluorescent colloid of flip-chip LED chip, the flexible line way board is including the positive insulating layer, positive circuit layer, intermediate insulation layer, back circuit layer and the back insulating layer that set gradually from top to bottom, the positive insulating layer is equipped with power positive pad hole, power negative pole pad hole, LED chip pad hole and resistance pad hole, positive circuit layer be equipped with anodal connection copper foil, negative pole connection copper foil, with the first connection copper foil that anodal connection copper foil connects, with the second connection copper foil of negative pole connection connects copper foil and supplies the third connection copper foil and fourth connection copper foil that flip-chip connects, the tip of fourth connection copper foil is equipped with the confession the resistance installation department, back circuit layer is equipped with anodal connection copper foil, negative pole connection copper foil and negative pole copper foil corresponds the positive connection copper foil respectively.
Furthermore, the back circuit layer is provided with a plurality of first supporting copper foils, and the first supporting copper foils are arranged below the flip LED chip.
Furthermore, the back circuit layer is provided with a plurality of second supporting copper foils, and the second supporting copper foils are arranged below the resistor.
Further, the first connecting copper foil, the second connecting copper foil, the third connecting copper foil and the fourth connecting copper foil are provided with LED chip mounting parts for mounting the flip LED chip.
Further, the top surface of the fluorescent colloid is arranged in a circular arc shape, and fluorescent powder particles and light diffusion powder particles are fully distributed in the fluorescent colloid.
Further, the flexible circuit board is an FPC flexible circuit board.
Further, the resistance is 0201 to 1206.
Further, the flip LED chip is 410-1021 flip LED chip.
Furthermore, a shearing mark is arranged at the joint of the circuit board units.
Compared with the prior art, the utility model discloses a flexible line way board includes a plurality of parallel connection's circuit board unit, be equipped with a plurality of series connection's flip-chip LED chip group and a plurality of resistance on the circuit board unit, flip-chip LED chip group includes two flip-chip LED chips of parallel connection, make the simple structure in COB lamp area, when certain flip-chip LED chip damages, whole COB lamp area still normally gives out light, high durability and convenient use, upper surface through the flexible line way board is equipped with the fluorescent colloid who covers flip-chip LED chip, it is good to make the radiating effect in COB lamp area, the heat of flip-chip LED chip distributes easily in the air, the direct and air contact heat dissipation of resistance, improve the luminous stability and the luminous homogeneity in COB lamp area, consumer experience is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a COB lamp strip with uniform light emission according to the present invention;
FIG. 2 is a schematic view of the front insulating layer of the present invention;
fig. 3 is a schematic structural diagram of the front circuit layer of the present invention;
FIG. 4 is a schematic view of the structure of the middle insulating layer of the present invention;
fig. 5 is a schematic structural diagram of the back circuit layer of the present invention.
In the figure: 1-a circuit board unit; 2-positive electrode pad; 3-a negative electrode pad; 4-flip-chip LED chip set; 5-resistance; 6-fluorescent colloid; 7-power supply positive electrode pad hole; 8-power supply negative electrode pad hole; 9-LED chip pad hole; 10-a resistive pad hole; 11-positive connection copper foil; 12-negative electrode connecting copper foil; 13-first connection copper foil; 14-a second connecting copper foil; 15-a third connecting copper foil; 16-a fourth connecting copper foil; 17-a resistive mounting portion; 18-positive conductive copper foil; 19-negative conductive copper foil; 20-a positive connection hole; 21-a negative connection hole; 22-first supporting copper foil; 23-a second supporting copper foil; 24-an LED chip mounting portion; 25-cutting off the mark.
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.
As shown in FIGS. 1 to 5, the COB lamp strip of the present invention with uniform light emission comprises a flexible circuit board, wherein the flexible circuit board comprises a plurality of circuit board units 1 connected in parallel, both ends of the circuit board units 1 are provided with positive electrode bonding pads 2 and negative electrode bonding pads 3, the circuit board units 1 are provided with a plurality of series-connected flip LED chip sets 4 and a plurality of resistors 5, the flip LED chip sets 4 comprise two flip LED chips connected in parallel, the upper surface of the flexible circuit board is provided with a fluorescent colloid 6 covering the flip LED chips, the flexible circuit board comprises a front insulating layer, a front circuit layer, an intermediate insulating layer, a back circuit layer and a back insulating layer which are sequentially arranged from top to bottom, the front surface insulating layer is provided with a power supply positive electrode pad hole 7, a power supply negative electrode pad hole 8, an LED chip pad hole 9 and a resistance pad hole 10, the front surface circuit layer is provided with a positive electrode connecting copper foil 11, a negative electrode connecting copper foil 12, a first connecting copper foil 13 connected with the positive electrode connecting copper foil 11, a second connecting copper foil 14 connected with the negative electrode connecting copper foil 12, a third connecting copper foil 15 and a fourth connecting copper foil 16 for connecting the flip LED chip 4, the end part of the fourth connecting copper foil 16 is provided with a resistance mounting part 17 for mounting the resistance 5, the back surface circuit layer is provided with a positive electrode conductive copper foil 18 and a negative electrode conductive copper foil 19, and the middle insulating layer is respectively provided with a positive electrode connecting copper foil 11, a negative electrode connecting copper foil 12 corresponding positive electrode connecting hole 20 and a negative electrode connecting hole 21. Include a plurality of parallel connection's circuit board unit 1 through the flexible line way board, be equipped with a plurality of series connection's flip-chip LED chip group 4 and a plurality of resistance 5 on the circuit board unit 1, flip-chip LED chip group 4 includes two flip-chip LED chips of parallel connection, make the simple structure in COB lamp area, when certain flip-chip LED chip damages, whole COB lamp area still normally gives out light, high durability and convenient use, upper surface through flexible line way board 1 is equipped with the fluorescent colloid 6 that covers flip-chip LED chip, it is good to make the radiating effect in COB lamp area, flip-chip LED chip's heat gives off in the air easily, the direct and air contact heat dissipation of resistance, improve COB lamp area's luminous stability and luminous homogeneity, consumer experience is good.
The back circuit layer is equipped with a plurality of first supporting copper foils 22, and flip-chip LED chip's below is located to first supporting copper foil 22, can effectively prevent that flip-chip LED chip's pin from desoldering when COB lamp area is crooked, improves flip-chip LED chip's heat conduction and radiating effect simultaneously.
Back circuit layer is equipped with a plurality of second and supports copper foil 23, and resistance 5's below is located to second support copper foil 23, and resistance 5's pin desolders when can effectively preventing COB lamp area bending.
The first connecting copper foil 13, the second connecting copper foil 14, the third connecting copper foil 15 and the fourth connecting copper foil 16 are all provided with LED chip mounting parts 24 for mounting an LED chip in an inverted mode, and welding of the LED chip in the inverted mode is facilitated.
The top surface of the fluorescent colloid 6 is arc-shaped, the fluorescent colloid 6 is fully distributed with fluorescent powder particles and light diffusion powder particles, so that the light of the COB lamp strip is more uniform, glare can be effectively prevented, the fluorescent colloid 6 is fully distributed with the fluorescent powder particles with different colors, so that the fluorescent colloid 6 changes the colors of different color temperatures, and the lamp strip with different colors such as white light, warm light, neutral light, red, green, yellow and powder is manufactured.
The flexible circuit board is an FPC flexible circuit board, and the FPC flexible circuit board has the advantages of good flexibility, heat dissipation performance, weldability, easiness in assembly and connection, high wiring density, low comprehensive cost and the like.
In a specific embodiment, the resistor 5 is a 0201 to 1206 resistor.
In specific implementation, the flip LED chips are 410-1021 flip LED chips.
The connection of circuit board unit 1 is equipped with cuts off mark 25, makes things convenient for cutting off of COB lamp area.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a luminous even COB lamp area which characterized in that: including the flexible line way board, the flexible line way board includes a plurality of parallel connection's circuit board unit, the both ends of circuit board unit all are equipped with anodal pad and negative pole pad, be equipped with flip-chip LED chipset and a plurality of resistance of a plurality of series connection on the circuit board unit, flip-chip LED chipset includes two flip-chip LED chips of parallel connection, the upper surface of flexible line way board is equipped with the cover the fluorescence colloid of flip-chip LED chip, the flexible line way board is including positive insulating layer, positive circuit layer, intermediate insulation layer, back circuit layer and the back insulating layer that from top to bottom sets gradually, positive insulating layer is equipped with power anodal pad hole, power negative pole pad hole, LED chip pad hole and resistance pad hole, positive circuit layer be equipped with anodal connection copper foil, negative pole connection copper foil, with the first connection copper foil that anodal connection copper foil connects, with the second connection copper foil and confession that the negative pole connection copper foil the negative pole third connection copper foil and fourth connection copper foil that the LED chip connects, the tip of fourth connection copper foil is equipped with the confession the resistance installation department, back circuit layer is equipped with anodal conductive copper foil and negative pole connection copper foil, intermediate insulation layer be equipped with positive connection copper foil, negative pole connection hole, negative pole connection copper foil corresponds respectively.
2. Even COB lamp area of giving out light of claim 1, characterized in that: the back circuit layer is provided with a plurality of first supporting copper foils, and the first supporting copper foils are arranged below the flip LED chip.
3. Even COB lamp area of giving out light according to claim 1, characterized in that: the back circuit layer is provided with a plurality of second supporting copper foils, and the second supporting copper foils are arranged below the resistor.
4. Even COB lamp area of giving out light according to claim 1, characterized in that: the first connecting copper foil, the second connecting copper foil, the third connecting copper foil and the fourth connecting copper foil are all provided with LED chip mounting parts for mounting the flip LED chip.
5. Even COB lamp area of giving out light according to claim 1, characterized in that: the top surface of the fluorescent colloid is arranged in a circular arc shape, and the fluorescent colloid is fully distributed with fluorescent powder particles and light diffusion powder particles.
6. Even COB lamp area of giving out light according to claim 1, characterized in that: the flexible circuit board is an FPC flexible circuit board.
7. Even COB lamp area of giving out light according to claim 1, characterized in that: the resistance is 0201-1206 resistance.
8. Even COB lamp area of giving out light of claim 1, characterized in that: the flip LED chip is 410-1021 flip LED chip.
9. Even COB lamp area of giving out light according to claim 1, characterized in that: and a cutting mark is arranged at the joint of the circuit board units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222765983.0U CN218599503U (en) | 2022-10-20 | 2022-10-20 | Luminous even COB lamp area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222765983.0U CN218599503U (en) | 2022-10-20 | 2022-10-20 | Luminous even COB lamp area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218599503U true CN218599503U (en) | 2023-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222765983.0U Active CN218599503U (en) | 2022-10-20 | 2022-10-20 | Luminous even COB lamp area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218599503U (en) |
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2022
- 2022-10-20 CN CN202222765983.0U patent/CN218599503U/en active Active
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