CN218602430U

CN218602430U - Novel polychrome COB light source

Info

Publication number: CN218602430U
Application number: CN202222491000.9U
Authority: CN
Inventors: 张小斌; 罗建华
Original assignee: Toyo Industry Guangdong Co ltd
Current assignee: Toyo Industry Guangdong Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-03-10
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses a novel polychrome COB light source, include: the LED light source comprises a base, a packaging frame arranged on the base and an LED light source body arranged in the packaging frame, wherein the LED light source body comprises a plurality of first LED wafers and a plurality of second luminous bodies, each second luminous body comprises a second LED wafer with the upper surface area smaller than that of the first LED wafer and a fluorescent powder layer respectively covering the upper surfaces of the second LED wafers, the plurality of second luminous bodies are arranged around a single first LED wafer, and a packaging layer covering the first LED wafers and the second luminous bodies is arranged in the packaging frame; by adopting the structure, the whole LED wafer can be symmetrically arranged in multiple directions, the light mixing is uniform, and the lighting effect is improved.

Description

Novel polychrome COB light source

Technical Field

The utility model relates to a COB light source technical field especially relates to a novel polychrome COB light source.

Background

COB light source is exactly the integrated area source of high light efficiency that LED chip pasted on mirror surface metal substrate with high reflectance, generally includes the encapsulation frame on base and the base, and polychrome COB light source divides into a plurality of regions in the encapsulation frame usually, through being provided with the different LED chips of optical wavelength in the region of difference, covers the phosphor layer of same colour in the encapsulation frame afterwards, nevertheless because need cut apart through the white glue between the different light-emitting region, the LED wafer that consequently same encapsulation frame size can be installed significantly reduces.

Chinese utility model patent grant publication No. CN210837750U provides a full gloss register for easy reference COB light source, this utility model discloses a be provided with a plurality of purple light LED chips and a plurality of surface coating have the blue light LED chip of phosphor powder glue film in the encapsulation frame of base plate, adopt above-mentioned structure, this utility model patent realizes full gloss register for easy reference's effect and luminous efficacy is high, but this utility model patent is because the encapsulation frame is circular, and every blue light LED chip and purple light LED chip size of a dimension are the same, can't accomplish the symmetry installation when leading to different colours LED chip installations, thereby mix the light inhomogeneous, the grading difficulty.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a novel polychrome COB light source, this polychrome COB light source is through being provided with the second LED wafer that a plurality of sizes are less than first LED wafer around single first LED wafer, and the mixed light is even.

The utility model discloses a solve its technical problem and the technical scheme who adopts provides a novel polychrome COB light source, include: the LED light source comprises a base, a packaging frame arranged on the base and an LED light source body arranged in the packaging frame, wherein the LED light source body comprises a plurality of first LED wafers and a plurality of second luminous bodies, each second luminous body comprises a second LED wafer with the upper surface area smaller than that of each first LED wafer and a fluorescent powder layer respectively covering the upper surface of each second LED wafer, the plurality of second luminous bodies are arranged around the single first LED wafer, and a packaging layer covering the first LED wafers and the second luminous bodies is arranged in the packaging frame.

As a further improvement of the present invention, the second LED chip includes a vertical LED chip and a horizontal LED chip.

As a further improvement, the number of the second luminous bodies is 2 in comparison with the number of the first LED chips: 1, the ratio of the area of the upper surface of the first LED wafer to the area of the upper surface of the second luminous body is 2:1.

as a further improvement of the utility model, the base is provided with a pin which is respectively electrically connected with the first LED wafer and the second luminous body.

As a further improvement of the utility model, the packaging frame is circular.

The utility model has the advantages that:

1. among the prior art, the installation that a plurality of equidimension's LED wafer was arranged neatly, because the encapsulation frame is circular, consequently the symmetry installation is hardly accomplished to the LED wafer of luminous difference, nevertheless the utility model discloses a be provided with the second LED wafer that a plurality of upper surface size are less than the upper surface size of first LED wafer all around single first LED wafer, and the second LED wafer has the mode of horizontal installation and vertical installation, makes in the installation of circular shape encapsulation frame, alternates a plurality of second LED wafers at marginal space, makes whole LED wafer reach multi-direction symmetry installation, and the mixed light is even, improves the illuminating effect.

2. The second LED wafer is the cuboid that length and width differ, for a plurality of cubes LED wafers among the prior art, under the unchangeable condition of encapsulation frame size, improves light-emitting area and radiating efficiency, realizes that unit area improves illuminating effect.

3. The upper surface area of the first LED wafer is twice the upper surface area of the second LED wafer, the quantity is opposite, the even number ratio can be more effectively symmetrically installed, the area difference is one time, the processing process difficulty is not high, and the better lighting effect is achieved while the cost is effectively saved.

Drawings

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

fig. 2 is a cross-sectional view of the present invention.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings.

Referring to fig. 1-2, the utility model provides a novel polychrome COB light source, include: the LED light source comprises a base 1, a packaging frame 2 arranged on the base 1 and an LED light source body arranged in the packaging frame 2, wherein the LED light source body comprises a plurality of first LED wafers 3 and a plurality of second luminous bodies 4, each second luminous body 4 comprises a second LED wafer with the upper surface area smaller than that of the first LED wafer 3 and a fluorescent powder layer 41 respectively covering the upper surface of the second LED wafer, the plurality of second luminous bodies are arranged around a single first LED wafer 3, and a packaging layer 21 covering the first LED wafer 3 and the second luminous bodies 4 is arranged in the packaging frame 2; in the comparison file CN210837750U, a plurality of LED chips with the same size are arranged neatly, because the packaging frame 2 is circular, each row can not be installed with even number of different LED chips, so that it is difficult to install the LED chips with different luminescence left and right and up and down symmetrically, but the utility model discloses a plurality of second LED chips with upper surface size smaller than that of the first LED chip 3 are arranged around the single first LED chip 3, so that the installation is arranged neatly and the light mixing is uniform; the package layer 21 includes a silica gel and a second phosphor layer, the second LED chip firstly emits the first color tone from the laser phosphor layer 41, and then excites the package layer 21 with the first LED chip 3 to emit light with a wide color gamut, it should be noted that the package layer 21 does not necessarily need the second phosphor layer.

The second LED chip includes a vertical LED chip 42 and a horizontal LED chip 43, and the vertical LED chip 42 and the horizontal LED chip 43 are perpendicular to each other, so that the mounted LED chips are symmetrical up and down and symmetrical left and right.

The ratio of the number of the second luminous bodies 4 to the number of the first LED chips 3 is 2:1, the ratio of the upper surface area of the first LED chip 3 to the upper surface area of the second light emitter 4 is 2:1; the sum of the upper surface areas of all the second luminous bodies 4 is approximately equal to the sum of the upper surface areas of all the first LED chips 3.

The base 1 is provided with pins 5 which are respectively electrically connected with the first LED wafer 3 and the second luminous body 4, and the first LED wafer 3 and the second luminous body 4 are supplied with power through different routes.

The packaging frame 2 is circular; the circular package frame 2 is more beautiful than a package frame having a square shape or the like.

The above is only the preferred embodiment of the present invention, not limiting the patent scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct or indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. A novel multi-color COB light source, comprising: base (1), setting are in encapsulation frame (2) and setting on base (1) are in LED light source body in the encapsulation frame (2), its characterized in that, LED light source body includes a plurality of first LED wafer (3) and a plurality of second luminous body (4), second luminous body (4) include that upper surface area is less than the second LED wafer of the upper surface area of first LED wafer (3) and cover respectively fluorescent powder layer (41) of second LED wafer upper surface, a plurality of second luminous body sets up around single first LED wafer (3), be equipped with in the encapsulation frame (2) and cover packaging layer (21) of first LED wafer (3) and second luminous body (4).

2. Novel multicolor COB light source according to claim 1, characterized in that said second LED chip comprises a vertical LED chip (42) and a lateral LED chip (43).

3. A novel multicolor COB light source according to claim 2, characterized in that the ratio of the number of second luminous bodies (4) to the number of first LED chips (3) is 2:1, the ratio of the upper surface area of the first LED wafer (3) to the upper surface area of the second light-emitting body (4) is 2:1.

4. a novel multi-color COB light source according to claim 3, characterized in that the base (1) is provided with pins (5) electrically connected to the first LED chip (3) and the second light emitter (4), respectively.

5. A novel multicolor COB light source according to claim 4, characterized in that said packaging frame (2) is circular.