CN218721140U

CN218721140U - Strip-shaped double-color constant-pressure COB light source

Info

Publication number: CN218721140U
Application number: CN202223020030.8U
Authority: CN
Inventors: 曾虹源
Original assignee: Jiangmen Laike Semiconductor Technology Co ltd
Current assignee: Jiangmen Laike Semiconductor Technology Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-03-24
Anticipated expiration: 2032-11-14

Abstract

The utility model relates to a COB light source technical field specifically discloses a two-colour constant voltage COB light source of strip, including aluminium base board, be provided with the luminous chip pad and a plurality of diode pad that the warm light negative pole pad of a plurality of, a plurality of cold light negative pole pad, a plurality of connected gradually on the aluminium base board, the welding has a plurality of luminescence chip on the luminescence chip pad, the anodal pad of power with diode pad electric connection, the luminescence chip pad respectively with diode pad, warm light negative pole pad and cold light negative pole pad electric connection. The utility model discloses an unique circuit layout to the increase sets up the diode pad and inserts constant voltage input constant current output diode, can realize the constant voltage effect, and the line wiring is regular arranges, and is luminous effectual.

Description

Strip-shaped double-color constant-pressure COB light source

Technical Field

The utility model relates to a COB light source technical field, in particular to double-colored constant voltage COB light source of strip.

Background

The lighting of people or people oriented lighting and light, climate and space are perfectly integrated, and the individual requirements of personnel in special environment are met. Therefore, the people-oriented illumination also has special significance for the spread of the illumination field. Office area and office lighting designed for specific jobs and activities significantly improves the creativity and work efficiency of employees. People can concentrate more easily under good vision conditions, and the pleasant residence and lighting atmosphere can also improve the happiness and the enthusiasm of people. The COB light source is a high-light-efficiency integrated surface light source which directly pastes an LED chip on a mirror substrate with high light reflection rate, adopts COB packaging technology to bond with a circuit board through a bonding lead and is covered by resin to ensure reliability. COB light sources are more and more widely applied in the technical field of LED packaging due to the characteristics of long service life, no pollution, high lighting effect and the like. However, the arrangement of the existing COB light source lines is not reasonable enough, a bonding pad connected into a constant voltage device is not reserved, the constant voltage effect cannot be achieved, if the constant voltage device needs to be connected, the line wiring mode of the constant voltage device has the crossing phenomenon of different degrees, and the lines cannot be regularly arranged, so that the light emitting effect is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a two-color constant voltage COB light source of strip, the circuit appears alternately, can't accomplish technical problem such as regular arranging when the access constant voltage device that solves current COB light source existence, through unique circuit layout to the increase sets up the diode pad and inserts constant voltage input constant current output diode, can realize the constant voltage effect, and the circuit wiring is regular arranges, and luminous effectual.

In order to solve the technical problem, the technical scheme of the utility model is that:

the utility model provides a two-colour constant voltage COB light source of strip, includes aluminium base board, be provided with the luminous chip pad and a plurality of diode pad that the warm light negative pole pad of a plurality of, a plurality of cold light negative pole pad, a plurality of connected gradually on the aluminium base board, the welding has a plurality of to send out light chip on the luminous chip pad, the power anodal pad with diode pad electric connection, send out light chip pad respectively with diode pad, warm light negative pole pad and cold light negative pole pad electric connection.

Preferably, the diode pad includes a diode input pad and a diode output pad, the diode input pad is electrically connected to the power supply positive pad, and the diode output pad is electrically connected to the warm light negative pad and the cool light negative pad.

Preferably, the light-emitting chip bonding pad comprises a first light-emitting chip bonding pad, a second light-emitting chip bonding pad, a third light-emitting chip bonding pad, a fourth light-emitting chip bonding pad, a fifth light-emitting chip bonding pad and a sixth light-emitting chip bonding pad which are distributed at equal intervals in sequence, and the first light-emitting chip bonding pad, the second light-emitting chip bonding pad, the third light-emitting chip bonding pad, the fourth light-emitting chip bonding pad, the fifth light-emitting chip bonding pad and the sixth light-emitting chip bonding pad are all located on the same horizontal line.

Preferably, the power supply positive electrode pad comprises a first power supply positive electrode pad, a second power supply positive electrode pad, a third power supply positive electrode pad and a fourth power supply positive electrode pad, and vertices of the rectangles of the first power supply positive electrode pad, the second power supply positive electrode pad, the third power supply positive electrode pad and the fourth power supply positive electrode pad are distributed at opposite corners of the aluminum substrate.

Preferably, warm light negative pole pad includes warm light negative pole pad of first warm light and warm light negative pole pad of second, cold light negative pole pad includes first cold light negative pole pad and cold light negative pole pad of second, warm light negative pole pad of first warm light, second warm light negative pole pad, first cold light negative pole pad and cold light negative pole pad of second all are the summit of rectangle and distribute the setting in proper order.

Preferably, a plurality of positioning through holes are formed in the aluminum substrate, and the cross sections of the positioning through holes are circular.

Adopt above-mentioned technical scheme, the utility model provides a pair of double-colored constant voltage COB light source of strip has following beneficial effect: the welding has a plurality of to give out light the chip on the luminous chip pad in this double-colored constant voltage COB light source of strip, power positive electrode pad and diode pad electric connection, luminous chip pad respectively with the diode pad, warm light negative pole pad and cold light negative pole pad electric connection, through unique circuit layout, and the increase sets up the diode pad and inserts constant voltage input constant current output diode, can realize the constant voltage effect, its circuit is arranged regularly, can avoid the circuit alternately again, the light efficiency is promoted greatly, luminous effectual, and can save space, and the manufacturing cost is reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure, 1-aluminum substrate, 2-light emitting chip, 3-diode input pad, 4-diode output pad, 5-first light emitting chip pad, 6-second light emitting chip pad, 7-third light emitting chip pad, 8-fourth light emitting chip pad, 9-fifth light emitting chip pad, 10-sixth light emitting chip pad, 11-first power supply positive pad, 12-second power supply positive pad, 13-third power supply positive pad, 14-fourth power supply positive pad, 15-first warm light negative pad, 16-second warm light negative pad, 17-first cold light negative pad, 18-second cold light negative pad, and 19-positioning through hole.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

As shown in fig. 1, the utility model discloses an among the schematic structure diagram, this double-colored constant voltage COB light source of strip includes aluminium base board 1, be provided with the anodal pad of a plurality of power on this aluminium base board 1, the warm light negative pole pad of a plurality of, a plurality of cold light negative pole pad, the luminous chip pad and a plurality of diode pad that a plurality of connected gradually, the welding has a plurality of luminescence chip 2 on this luminescence chip pad, this anodal pad of power and this diode pad electric connection, this luminescence chip pad respectively with this diode pad, warm light negative pole pad and cold light negative pole pad electric connection. It can be understood that the aluminum substrate 1 is arranged in a horizontal bar shape, and the power supply positive electrode pad, the warm light negative electrode pad, the cold light negative electrode pad, the light emitting chip pad and the diode pad are all welded on the aluminum substrate 1 and connected with each other through a wire, wherein the wire can be an electric welding wire or a power line; the power supply anode pad can be used for being connected with an external power supply, and the aluminum substrate 1 can be a universal PCB (printed circuit board) or the like, and can also be an aluminum light source substrate or the like.

Specifically, the diode pad comprises a diode input pad 3 and a diode output pad 4, the diode input pad 3 is electrically connected with the power supply positive pad, and the diode output pad 4 is electrically connected with the warm light negative pad and the cold light negative pad; the light-emitting chip bonding pad comprises a first light-emitting chip bonding pad 5, a second light-emitting chip bonding pad 6, a third light-emitting chip bonding pad 7, a fourth light-emitting chip bonding pad 8, a fifth light-emitting chip bonding pad 9 and a sixth light-emitting chip bonding pad 10 which are distributed at equal intervals in sequence, wherein the first light-emitting chip bonding pad 5, the second light-emitting chip bonding pad 6, the third light-emitting chip bonding pad 7, the fourth light-emitting chip bonding pad 8, the fifth light-emitting chip bonding pad 9 and the sixth light-emitting chip bonding pad 10 are all located on the same horizontal line; the power supply positive electrode pad comprises a first power supply positive electrode pad 11, a second power supply positive electrode pad 12, a third power supply positive electrode pad 13 and a fourth power supply positive electrode pad 14, and the vertexes of the first power supply positive electrode pad 11, the second power supply positive electrode pad 12, the third power supply positive electrode pad 13 and the fourth power supply positive electrode pad 14 which are rectangular are distributed at the opposite corners of the aluminum substrate 1; the warm light cathode bonding pad comprises a first warm light cathode bonding pad 15 and a second warm light cathode bonding pad 16, the cold light cathode bonding pad comprises a first cold light cathode bonding pad 17 and a second cold light cathode bonding pad 18, and the vertexes of the rectangles of the first warm light cathode bonding pad 15, the second warm light cathode bonding pad 16, the first cold light cathode bonding pad 17 and the second cold light cathode bonding pad 18 are sequentially distributed; a plurality of positioning through holes 19 are formed on the aluminum substrate 1, and the cross sections of the positioning through holes 19 are circular. In practical application, the diode input pad is connected with the anode of the constant voltage input constant current output diode, and the diode output pad is connected with the cathode of the constant voltage input constant current output diode according to the unidirectional conduction characteristic of the constant voltage input constant current output diode; the quantity of above-mentioned power positive pole pad, warm light negative pole pad and cold light negative pole pad can set up according to the demand, the utility model discloses do not do the injecing. The light emitting chip 2 may be a blue light chip, or other color chips, which is only illustrated above, but the present invention is not limited thereto.

It can be understood that the operating voltage of each group of light emitting chips is uniform. Above-mentioned luminous chip can also have multiple arrangement order, the utility model discloses no longer describe.

It can be understood that the utility model has the advantages of reasonable design, unique structure, through unique circuit layout, and increase and set up the diode pad and insert constant voltage input constant current output diode, through the constant voltage characteristic of constant voltage input constant current output diode, can realize the constant voltage effect, the job stabilization nature is high, can match constant voltage power supply and control system on the market, can insert the voltage of 60V + lamp pearl, can all within 60V, can connect in parallel the unit of a plurality of bright lamps; the light-emitting diode light source has the advantages that the line arrangement is regular, the line crossing can be avoided, the light efficiency is greatly improved, the light-emitting effect is good, the space can be saved, and the manufacturing cost is reduced.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a two-color constant voltage COB light source of strip, includes aluminium base board, its characterized in that: the aluminum substrate is provided with a plurality of power supply positive bonding pads, a plurality of warm light negative bonding pads, a plurality of cold light negative bonding pads, a plurality of light-emitting chip bonding pads and a plurality of diode bonding pads, wherein the light-emitting chip bonding pads and the diode bonding pads are sequentially connected, a plurality of light-emitting chips are welded on the light-emitting chip bonding pads, the power supply positive bonding pads are electrically connected with the diode bonding pads, and the light-emitting chip bonding pads are respectively electrically connected with the diode bonding pads, the warm light negative bonding pads and the cold light negative bonding pads.

2. The strip-shaped dual-color constant-voltage COB light source of claim 1, wherein: the diode pad comprises a diode input pad and a diode output pad, the diode input pad is electrically connected with the power supply anode pad, and the diode output pad is electrically connected with the warm light cathode pad and the cold light cathode pad.

3. The strip-shaped dual-color constant-voltage COB light source of claim 1, wherein: the luminous chip bonding pad comprises a first luminous chip bonding pad, a second luminous chip bonding pad, a third luminous chip bonding pad, a fourth luminous chip bonding pad, a fifth luminous chip bonding pad and a sixth luminous chip bonding pad which are distributed at equal intervals in sequence, wherein the first luminous chip bonding pad, the second luminous chip bonding pad, the third luminous chip bonding pad, the fourth luminous chip bonding pad, the fifth luminous chip bonding pad and the sixth luminous chip bonding pad are all located on the same horizontal line.

4. The strip-shaped dual-color constant-voltage COB light source of claim 1, wherein: the power supply positive electrode bonding pad comprises a first power supply positive electrode bonding pad, a second power supply positive electrode bonding pad, a third power supply positive electrode bonding pad and a fourth power supply positive electrode bonding pad, and the vertexes of the first power supply positive electrode bonding pad, the second power supply positive electrode bonding pad, the third power supply positive electrode bonding pad and the fourth power supply positive electrode bonding pad which are all rectangular are distributed at the opposite corners of the aluminum substrate.

5. The strip-shaped dual-color constant-voltage COB light source of claim 1, wherein: warm light negative pole pad includes warm light negative pole pad of first warm light and warm light negative pole pad of second, cold light negative pole pad includes first cold light negative pole pad and cold light negative pole pad of second, warm light negative pole pad of first warm light, second, first cold light negative pole pad and the cold light negative pole pad of second all are the summit of rectangle and distribute the setting in proper order.

6. The strip-shaped dual-color constant-voltage COB light source of claim 1, wherein: a plurality of positioning through holes are formed in the aluminum substrate, and the cross sections of the positioning through holes are circular.