CN106439567A - A light strip type LED flexible light strip - Google Patents

Abstract

The invention discloses an optical band type LED flexible lamp band which comprises a light-transmitting core wire, a light-transmitting coating layer for coating the core wire, a flexible circuit board and a plurality of patch type LED chips, wherein the patch type LED chips are convexly arranged on the flexible circuit board and are electrically connected with the flexible circuit board, the core wire is provided with a flexible circuit board accommodating channel along the length direction of the core wire, the flexible circuit board is arranged in the accommodating channel, the accommodating channel is upwards bulged corresponding to the space of the edge area of two long edges or one long edge of the flexible circuit board to form a strip-shaped accommodating groove, all or part of the LED chips are arranged along the edge area of the long edge of the flexible circuit board and are accommodated in the accommodating groove, and the LED chips emit light laterally and emit light to the area above the flexible circuit board along the. The light emitting surface of the LED chip is not directly outward, so that a dazzling star point light source is avoided, and comfortable strip light can be emitted.

Description

A light strip type LED flexible light strip

technical field

The invention relates to the lighting field, in particular to a patch type LED flexible light strip.

Background technique

With the continuous improvement of people's living standards, the use of LED light strips is becoming more and more popular. In the prior art, Chinese patents with publication numbers such as CN102095118A and later CN104763914A all disclose a patch type LED flexible light strip. Since the LED light emitting surface is located at the top of the light strip, the light emitting surface of these light strips is upward and distributed at intervals to form a point light source, which cannot form a comfortable light strip.

Contents of the invention

The purpose of the present invention is to provide a light strip type LED flexible light strip, which can emit comfortable strip-like light.

To achieve the above object, the present invention adopts the following technical solutions:

A light strip type LED flexible light strip, comprising a light-transmitting core wire (1), a light-transmitting cladding layer (2) covering the core wire (1), a flexible circuit board (3) and several patch-type LED chip (4), the patch type LED chip (4) protrudes on the flexible circuit board (3) and is electrically connected with the flexible circuit board (3), and the core wire (1) is along the A flexible circuit board accommodating channel (11) is provided in the length direction, the flexible circuit board (3) is arranged in the accommodating channel (11), and the accommodating channel corresponds to two long sides of the flexible circuit board or one of them The space at the edge area of the long side protrudes upwards to form a strip-shaped accommodation groove, and all or part of the LED chips (4) are arranged along the edge area of the long side of the flexible circuit board (3) and accommodated in the accommodation groove , and these LED chips (4) emit light laterally and emit light along the groove wall of the accommodating groove to the area where the core wire is located above the flexible circuit board.

The advantages of the above scheme are:

1. The light-emitting surface of the LED chip is not directly outward to avoid the formation of dazzling star-shaped light sources.

2. Since the light-receiving area of the core wire of the present invention, that is, the core wire area (the area above the flexible circuit board) to which the LED chip emits light adopts a sunken structure and is arranged in parallel with the LED chip, compared with the lamp described in the background art The light-receiving area of the core wire of the strip can be made larger without increasing the thickness of the light strip, which has a good uniform light effect, and the light strip can emit a comfortable strip light.

The above light strip type LED flexible light strip is characterized in that the LED chips arranged on the long side regions of the flexible circuit board are arranged along the two long side regions, and the light emitting surfaces of the LED chips are arranged on opposite sides of the flexible circuit board.

The above-mentioned light strip type LED flexible light strip is characterized in that the LED chips on each long side of the flexible circuit board are arranged intermittently, and the LED chips on the two long sides are arranged in a dislocation manner.

The light strip type LED flexible light strip above is characterized in that the area where the core wire is located above the flexible circuit board is made of uniform light material, so that the light is evenly distributed after being projected along the wall of the accommodating groove, and the light output of the light strip is more uniform.

The above light strip type LED flexible light strip is characterized in that the surface of the flexible circuit board is coated with a reflective film, which is conducive to emitting light outward and increasing the amount of light output.

The above light strip type LED flexible light strip is characterized in that the lower surface of the area where the core wire is located above the flexible circuit board is coated with a reflective film, which is conducive to emitting light outward and increasing the amount of light output.

Description of drawings

Fig. 1 is a partial sectional view of the present invention;

Fig. 2 is a partial cross-sectional view of the present invention (saving cladding layer);

Fig. 3 is a schematic structural view of the core wire of the present invention;

Fig. 4 is the structural representation of LED chip and flexible circuit board of the present invention

Fig. 5 is a structural representation of the present invention;

Fig. 6 shows the mounting structure of the flexible circuit board and the SMD LED chip;

Fig. 7 is a schematic structural view of Embodiment 2 of the present invention (the core wire is coated with reflective film);

Fig. 8 is a schematic structural diagram of Embodiment 3 of the present invention (the circuit board is coated with reflective film).

detailed description

Below, in conjunction with accompanying drawing and specific embodiment, the present invention is described further:

Example 1

Referring to Figures 1-6, a light strip type LED flexible light strip includes a light-transmitting core wire 1, a light-transmitting coating layer 2 covering the core wire 1, a flexible circuit board 3, and several SMD LEDs chip 4, the patch LED chip 4 protrudes on the flexible circuit board 3 and is electrically connected to the flexible circuit board 3, and the core wire 1 is provided with a flexible circuit board accommodation channel 11 along its length direction , the flexible circuit board 3 is arranged in the accommodating channel 11, and the space of the accommodating channel corresponding to the two long edge regions of the flexible circuit board protrudes upwards to form a strip-shaped accommodating groove 12, and all LEDs The chips 4 are arranged intermittently along the edge areas of each long side of the flexible circuit board 3 , and are arranged in dislocations opposite to each other, and are accommodated in the accommodating groove 12, and these LED chips 4 emit light laterally and along the groove of the accommodating groove. The wall shoots to the area where the core wire is located above the flexible circuit board. This area uses uniform light material to form a uniform light area extending along the length direction of the core wire, so that the light is evenly distributed after being projected along the wall of the accommodating groove, and the light belt emits light. more uniform, the advantages of the above embodiment are:

1. The light-emitting surface of the LED chip is not directly outward to avoid the formation of dazzling star-shaped light sources.

2. Since the light-receiving area of the core wire of the present invention, that is, the core wire area (the area above the flexible circuit board) to which the LED chip emits light adopts a sunken structure and is arranged in parallel with the LED chip, compared with the lamp described in the background art The light-receiving area of the core wire of the strip can be made larger without increasing the thickness of the light strip, which has a good uniform light effect, and the light strip can emit a comfortable strip light.

Example 2

Referring to FIG. 7 , this embodiment is based on Embodiment 1. The lower surface of the area where the core wire is located above the flexible circuit board is coated with a reflective film 7 , which is conducive to emitting light outward and increasing the light output.

Example 3

Referring to FIG. 8 , this embodiment is based on Embodiment 1: a reflective film 8 is coated on the surface of the flexible circuit board, which is also conducive to emitting light outward and increasing the amount of light output.

Example 4,

On the basis of Embodiment 1, the core wire is opaque to other parts outside the uniform light area.

Those skilled in the art can make various other corresponding changes and deformations according to the above-described technical solutions and concepts, and all these changes and deformations should fall within the protection scope of the claims of the present invention.

Claims (9)

1. A light strip type LED flexible light strip, comprising a light-transmitting core wire (1), a light-transmitting coating layer (2) covering the core wire (1), a flexible circuit board (3) and several stickers A chip type LED chip (4), the patch type LED chip (4) protrudes from the flexible circuit board (3) and is electrically connected to the flexible circuit board (3), and the core wire (1) A flexible circuit board accommodating channel (11) is provided along its length direction, the flexible circuit board (3) is arranged in the accommodating channel (11), and the accommodating channel corresponds to the two long sides of the flexible circuit board or The space at the edge area of one of the long sides protrudes upwards to form a strip-shaped accommodating groove, and all or part of the LED chips (4) are arranged along the edge area of the long side of the flexible circuit board (3) and accommodated in the accommodating The LED chips (4) emit light laterally and emit light along the groove wall of the accommodating groove to the area where the core wire is located above the flexible circuit board. 2. The light strip type LED flexible light strip according to claim 1, wherein the LED chips arranged in the long side region of the flexible circuit board are arranged along the two long side regions, and the light-emitting surface of the LED chip is on the flexible circuit board The two sides are opposite to each other. 3 . The light strip type LED flexible light strip according to claim 2 , wherein the LED chips on each long side of the flexible circuit board are arranged intermittently, and the LED chips on the two long sides are arranged in a dislocation manner. 4 . 4. According to claim 1, 2 or 3, the strip-type LED flexible light strip is characterized in that the area where the core wire is located above the flexible circuit board is made of uniform light material to form a uniform light area extending along the length direction of the core wire . 5 . The light strip type LED flexible light strip according to claim 4 , wherein the part of the core wire outside the uniform light area is opaque to light. 6. The light strip type LED flexible light strip according to claim 1, 2 or 3, wherein the surface of the flexible circuit board is coated with a reflective film. 7. The light strip type LED flexible light strip according to claim 4, wherein the surface of the flexible circuit board is coated with a reflective film. 8. The light strip type LED flexible light strip according to claim 1, 2 or 3, wherein the lower surface of the area where the core wire is located above the flexible circuit board is coated with a reflective material. 9. The light strip type LED flexible light strip according to claim 4, wherein the lower surface of the area where the core wire is located above the flexible circuit board is coated with reflective material.