CN218215351U

CN218215351U - Integrative extrusion is soft lamp strip of positive luminous COB

Info

Publication number: CN218215351U
Application number: CN202222583986.2U
Authority: CN
Inventors: 曾纪亮; 朱保科
Original assignee: Shenzhen Roll To Roll Photoelectric Technology Co ltd
Current assignee: Shenzhen Roll To Roll Photoelectric Technology Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-01-03
Anticipated expiration: 2032-09-28

Abstract

The utility model relates to a technical field of lamp strip, more specifically relates to an integrative soft lamp strip of positive luminous COB of extruding. An integrally extruded positive light-emitting COB (chip on Board) flexible light bar comprises a first silica gel part, a second silica gel part, an LED (light-emitting diode) chip and an FPCB (field programmable logic board); the first silica gel part, the second silica gel part and the LED chip are all arranged on the FPCB plate, the first silica gel part covers the LED chip, and the second silica gel part is arranged on two sides of the first silica gel part; one end of the first silica gel part, which is far away from the LED chip, is provided with a first silica gel part light-emitting surface, and the center of the first silica gel part light-emitting surface and the center of the LED chip are positioned on the same straight line. The utility model discloses an integrative extrusion is just giving out light, and soft lamp strip of COB passes through the optimization setting of structure, and its accuse light effect is better, and the light-emitting is more even, and luminous uniformity is also better, makes the light-emitting send in front moreover, can be fine illuminate space or article.

Description

Integrative extrusion is soft lamp strip of positive luminous COB

Technical Field

The utility model relates to a technical field of lamp strip, more specifically relates to an integrative soft lamp strip of positive luminous COB of extruding.

Background

COB is an abbreviation of Chip On Board, and is a packaging method for directly packaging a plurality of LED chips On a metal-based printed circuit Board. The COB has the characteristics of water resistance, dust resistance, moisture resistance, static electricity resistance and collision resistance, and has excellent protective performance; high reliability and stability, and no need of repairing lamp for long-term use. Application of the COB: the COB is widely applied to the application fields of large supermarkets, movie buildings, subway stations, airports, traffic control and command centers, hotels, bars, cinemas, KTVs, schools, large commercial performance sites, conference sites, high-end brand private stores and the like.

The soft lamp strip accuse light effect of current COB is general, and the light-emitting is not too even, and luminous uniformity is general.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving above-mentioned technical problem to a certain extent at least, provide an integrative soft lamp strip of positive luminous COB of extruding, its accuse light effect is better, and the light-emitting is more even, and luminous uniformity is also better.

The technical scheme of the utility model is that: an integrally extruded positive light-emitting COB (chip on Board) flexible light bar comprises a first silica gel part, a second silica gel part, an LED (light-emitting diode) chip and an FPCB (field programmable logic board);

the first silica gel part, the second silica gel part and the LED chip are all arranged on the FPCB plate, the first silica gel part covers the LED chip, and the second silica gel part is arranged on two sides of the first silica gel part;

one end of the first silica gel part, which is far away from the LED chip, is provided with a first silica gel part light-emitting surface, and the center of the first silica gel part light-emitting surface and the center of the LED chip are positioned on the same straight line.

The utility model discloses in, the integrative soft lamp strip of positive luminous COB of extruding passes through the optimization setting of structure, and its accuse light effect is better, and the light-emitting is more even, and luminous uniformity is also better, makes the light-emitting send in front moreover, can be fine illuminate space or article.

In addition, because the flexible lamp strip can be packaged and transported by a reel, the flexible lamp strip can be attached to curved surfaces, and the flexible lamp strip is very convenient and concise to practical application.

Further preferably, the two sides of the first silica gel part are provided with first silica gel part side edges, and the first silica gel part side edges are all contacted with the second silica gel part.

Further preferably, first silica gel portion keep away from the one end on first silica gel portion plain noodles and be equipped with first silica gel portion bottom surface, the upper surface contact of first silica gel portion bottom surface and FPCB board.

Further preferably, the width of the bottom surface of the first silica gel part is smaller than the width of the light-emitting surface of the first silica gel part.

More preferably, the first silica gel part is a fluorescent gel or a mist silica gel layer.

Preferably, the second silica gel part is a light-blocking or light-reflecting silica gel layer.

Compared with the prior art, the beneficial effects are that: the utility model discloses an integrative extrusion is just giving out light, and soft lamp strip of COB passes through the optimization setting of structure, and its accuse light effect is better, and the light-emitting is more even, and luminous uniformity is also better, makes the light-emitting send in front moreover, can be fine illuminate space or article.

Drawings

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

Fig. 2 is a schematic view of the light emitting state of the present invention.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numbers in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

As shown in fig. 1 and 2, an integrally extruded positive light-emitting COB soft light bar includes a first silicone part 10, a second silicone part 20, an LED chip 30, and an FPCB plate 40;

the first silica gel part 10, the second silica gel part 20 and the LED chip 30 are all arranged on the FPCB plate 40, the first silica gel part 10 covers the LED chip 30, and the second silica gel part 20 is arranged on two sides of the first silica gel part 10;

one end of the first silica gel part 10 away from the LED chip 30 is provided with a first silica gel part light-emitting surface 11, and the center of the first silica gel part light-emitting surface 11 and the center of the LED chip 30 are located on the same straight line.

In this embodiment, the LED chip 30 is located at the center of the first silicone part 10, the light-emitting surface 11 of the first silicone part is a plane, the LED chip 30 is used as a light source, and the light emitted by the LED chip 30 passes through the first silicone part 10 to reach the light-emitting surface 11 of the first silicone part, and then is emitted from the light-emitting surface 11 of the first silicone part.

In this embodiment, an organic whole is extruded and is just giving out light the soft lamp strip of COB and pass through the optimization setting of structure, and its accuse light effect is better, and the light-emitting is more even, and luminous uniformity is also better, makes the light-emitting send in front moreover, can be fine illuminate space or article.

Specifically, first silicone part side edges 13 are arranged on two sides of the first silicone part 10, and the first silicone part side edges 13 are in contact with the second silicone part 20. In this embodiment, the first silicone part side 13 is an inclined straight line and has a radial structure from the FPCB board 40 to the first silicone part light emitting surface 11, so that the light emitted from the LED chip 30 is radial when passing through the first silicone part 10, and finally emitted from the first silicone part light emitting surface, and the light emitting state is shown in fig. 2.

Specifically, one end of the first silicone part 10, which is away from the light emitting surface 11 of the first silicone part, is provided with a first silicone part bottom surface 12, and the first silicone part bottom surface 12 contacts with the upper surface of the FPCB plate 40. In this embodiment, the bottom surface 12 of the first silicone part is also a planar structure and covers the FPCB board 40.

Further, the width of the bottom surface 12 of the first silicone part is smaller than the width of the light emitting surface 11 of the first silicone part. In order to make the light radially emit from the first silicone part light-emitting surface 11, the entire first silicone part 10 has a trapezoid structure with a wide top and a narrow bottom, so that the light emitted from the LED chip 30 is radially emitted from the first silicone part light-emitting surface when passing through the first silicone part 10, and the light-emitting state is shown in fig. 2.

Further, the first silica gel part 10 is a fluorescent gel or a mist silica gel layer, and the second silica gel part 20 is a light-blocking or light-reflecting silica gel layer.

In this embodiment, the appearance structure and the optics are realized by a silica gel extrusion method. The first silica gel part 10 is a fluorescent gel or a mist silica gel layer, and forms a light guide column and a main light emitting surface. The second silica gel part 20 is a silica gel layer for blocking light or reflecting light, and plays a role in blocking light and reflecting light.

In this embodiment, the soft lamp strip of integrative positive luminous COB of extruding has optimized the product structure, has realized the unlimited continuity of product, has realized that the product is tailor wantonly, has realized that the product can be buckled, has realized that the product is positive luminous, has realized reel packing transportation, has realized that the product need not the diffusion cover and reaches no light spot effect, has realized that the product is light and convenient, realizes that the product streamlined volume to volume automated production, has improved production efficiency greatly. And through the optical structure design, reach the effect of accuse light, reach the effect of seeing the lamp and not seeing the light, improved the luminous uniformity of product.

The soft lamp strip of positive luminous COB is extruded to this kind of an organic whole of preparation, at first fuses the soft lamp strip welding of COB into a big book, extrudes through double-colored silica gel extruder and the double-colored glue forming die an organic whole that has designed again, vulcanizes solidification shaping through high temperature tunnel furnace again, and a big book is received into to the rethread rolling machine, and the soft lamp strip of positive luminous COB of an organic whole extrusion is extruded and is accomplished. After the extrusion is finished, the required length is cut, the wire is welded, the double-sided adhesive tape is pasted or not pasted on the back, and the integral extrusion of the positive luminous COB soft light bar is completed. The reel is reeled, and the packaging bag can be transported and delivered conveniently after being packed, so that light transportation is realized. In addition, due to the fact that the light blocking layer and the light reflecting layer are designed in an optical structure, light can be well controlled, light can be emitted from the front face, the light is even, the light emitting color is good, and meanwhile, a space or an article can be well illuminated. The COB soft lamp is flexible, so that the COB soft lamp can be attached to curved surfaces, and the COB soft lamp is very convenient and concise to apply.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An integrally extruded positive light-emitting COB (chip on Board) soft light bar is characterized by comprising a first silica gel part (10), a second silica gel part (20), an LED chip (30) and an FPCB (40);

the first silica gel part (10), the second silica gel part (20) and the LED chip (30) are all arranged on the FPCB board (40), the first silica gel part (10) covers the LED chip (30), and the second silica gel part (20) is arranged on two sides of the first silica gel part (10);

one end, far away from the LED chip (30), of the first silica gel part (10) is provided with a first silica gel part light-emitting surface (11), and the center of the first silica gel part light-emitting surface (11) and the center of the LED chip (30) are located on the same straight line.

2. The integrated extruded positive light COB soft light bar of claim 1, wherein: first silica gel portion side (13) are equipped with to first silica gel portion (10) both sides, first silica gel portion side (13) all contact with second silica gel portion (20).

3. The integrated extruded positive light COB soft light bar of claim 2, wherein: one end that first silica gel portion (10) kept away from first silica gel portion plain noodles (11) is equipped with first silica gel portion bottom surface (12), the upper surface contact of first silica gel portion bottom surface (12) and FPCB board (40).

4. The integrated extruded positive light COB soft light bar of claim 3, wherein: the width of the bottom surface (12) of the first silica gel part is smaller than that of the light-emitting surface (11) of the first silica gel part.

5. The integrated extruded positive light COB soft light bar of any one of claims 1 to 4, wherein: the first silica gel part (10) is a fluorescent gel or a mist silica gel layer.

6. The integrated extruded positive light COB soft light bar of any one of claims 1 to 4, wherein: the second silica gel part (20) is a light-blocking or light-reflecting silica gel layer.