CN217684804U - Design structure of conjoined substrate - Google Patents

Abstract

The application discloses design structure of disjunctor base plate, including many for long banding base plate of arranging side by side, have the easy broken string between the adjacent base plate, the base plate includes insulating layer, circuit layer and solder mask, be provided with a plurality of exposures of arranging along base plate length direction on the solder mask the first window on circuit layer, the base plate divide into two sets ofly, is first base plate and second base plate respectively, first base plate and second base plate interval set up, and first window dislocation arrangement on it, with the first window alignment setting on the base plate of group. This application divide into two sets of and interval arrangement with the base plate, and the first window on it aligns the setting, compares in the base plate that all windows align among the prior art, can directly use automation equipment installation lens, has improved production efficiency.

Description

Design structure of conjoined substrate

Technical Field

The application relates to the field of lamps, in particular to a design structure of a connected substrate.

Background

With the continuous popularization and technical application of the LED lamps in the market, the LED lamps have the advantages of low power consumption, long service life, long emergency lighting time, easy control, no maintenance, safety, environmental protection and the like, so the LED lamps are widely applied to indoor lighting lamps such as hotels, offices, large markets, basements and the like.

The LED lamp comprises a base plate and LED lamp beads, wherein the LED lamp beads are directly mounted on the base plate through automatic equipment in order to improve production efficiency in the actual production process, a window for mounting the LED lamp beads is formed in the base plate, and the window is aligned. At present, in order to reduce the number of LED lamp beads, more and more manufacturers begin to use lenses capable of increasing light diffusion, but the overall dimension of the lenses is larger, the width of a substrate is generally smaller than the dimension of the lenses, and the lenses can interfere when automatic equipment is installed.

SUMMERY OF THE UTILITY MODEL

The application provides a design structure of disjunctor base plate can produce the problem of interfering when lens when having solved the automation equipment installation among the prior art.

The design structure of the conjoined substrate comprises a plurality of substrates which are in a long strip shape and are arranged side by side, wherein an easy broken line is arranged between every two adjacent substrates, each substrate comprises an insulating layer, a circuit layer and a solder resist layer, a plurality of first windows which are arranged along the length direction of the substrate are arranged on the solder resist layer, the substrates are divided into two groups and are respectively a first substrate and a second substrate, the first substrate and the second substrate are arranged at intervals, the first windows on the first substrate and the second substrate are arranged in a staggered mode, and the first windows on the substrates of the same group are arranged in an aligned mode.

Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.

Optionally, the substrate includes a metal layer, and the insulating layer is stacked on the metal layer.

Optionally, the breakable line is disposed between the metal layers of the two adjacent substrates.

Optionally, the first window is filled with solder paste to form a first bonding pad for welding the LED lamp bead.

Optionally, the lengths of all the substrates are the same, and the ends of the first substrate and the second substrate are arranged in a staggered manner.

Optionally, the breakable lines are arranged at intervals.

Optionally, the substrate is provided with an insertion hole for fixing a lens around the first window.

Optionally, the two substrates on the outermost sides are provided with positioning holes for fixing the conjoined substrates.

Optionally, the solder mask layer at the end of the substrate has a second window exposing the circuit layer, and the second window is filled with solder paste to form a second pad.

This application divide into the base plate two sets ofly, and two sets of first window interval arrangement, with the first window alignment setting of group, compare in the base plate that all windows aligned among the prior art, can directly use automation equipment installation lens, improved production efficiency.

Drawings

Fig. 1 is a schematic view of a design structure of a connected substrate according to an embodiment of the present application;

FIG. 2 is a schematic view of a portion of the design structure of the connected substrate of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic view of the structure of the substrate shown in FIG. 1;

FIG. 5 is a schematic view of an LED lamp bead and a lens.

The reference numerals in the figures are illustrated as follows:

100. a conjoined substrate;

10. a substrate; 101. a metal layer; 102. an insulating layer; 103. a circuit layer; 104. a solder resist layer; 105. a first window; 106. a second window; 11. a first substrate; 12. a second substrate; 13. the wire is easy to break; 14. a first pad; 15. a second pad; 16. a jack; 17. LED lamp beads; 18. a lens; 181. a convex foot; 19. a lens footprint; 20. and (7) positioning the holes.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In order to improve the production efficiency, the LED lamp strips produced in the traditional mode all adopt a connected substrate, LED lamp beads 17 are automatically pasted and welded on the substrate 10 by using an automatic chip mounter, the LED lamp beads 17 on all the substrates 10 are arranged in an aligned mode, in addition, in order to reduce the using number of the LED lamp beads 17 on the substrate 10, lenses 18 are installed on some lamp strips on the LED lamp beads 17, the lenses 18 cover the LED lamp beads 17 and are used for increasing the emitting angles of the LED lamp beads 17, the overall dimension of the lenses 18 is larger, the width of the substrate 10 is generally smaller than the dimension of the lenses 18, and the adjacent lenses 18 can generate interference in space.

In order to solve the above problems, as shown in fig. 1 to 5, the present application provides a design structure of a connected substrate 100, including a plurality of elongated substrates 10 arranged side by side, a breakable line 13 is provided between adjacent substrates 10, the substrate 10 includes an insulating layer 102, a circuit layer 103 and a solder resist layer 104 for protecting the circuit layer 103, the solder resist layer 104 is generally white for improving light reflection efficiency, the solder resist layer 104 is provided with a plurality of first windows 105 arranged along the length direction of the substrate 10 for exposing the circuit layer 103, the substrates 10 are divided into two groups, which are respectively a first substrate 11 and a second substrate 12, the first substrate 11 and the second substrate 12 are arranged at intervals, and the first windows 105 on the first substrates 105 are arranged in a staggered manner, and the first windows 105 on the substrates 10 of the same group are arranged in an aligned manner.

This application sets up LED lamp pearl 17 welding position dislocation interval on first base plate 11 and the second base plate 12 (being about to lens cover 19 interval setting, adjacent lens cover 19 no overlap), and when needs installation lens 18, lens 18 on the adjacent base plate 10 just can not take place to interfere to the welding position on the base plate 10 of the same group aligns again, can realize continuous paster and installation equally, need not to carry out lens 18 installation after base plate 10 separates, has improved production efficiency.

The substrate 10 may be a flexible substrate, or may be a metal substrate, especially an aluminum substrate, and in one embodiment, as shown in fig. 4, the substrate 10 includes a metal layer 101, and an insulating layer 102 is stacked on the metal layer 101. In order to separate the breakable lines 13 relatively easily, the breakable lines 13 are provided between the metal layers 101 of the adjacent two substrates 10.

As shown in fig. 3 and 5, in one embodiment, the first window 105 is filled with solder paste to form the first pad 14 for soldering the LED bead 17. In the present application, the lens 18 is fixed on the substrate 10 by epoxy glue or adhesive bonding, and for the convenience of installation, the substrate 10 is provided with an insertion hole 16 for fixing the lens 18 around the first window 105, and the back of the lens 18 is provided with a convex foot 181 matched with the insertion hole 16.

For the convenience of assembly and installation, all the substrates 10 have the same length, and the ends of the first substrate 11 and the second substrate 12 are arranged in a staggered manner. In view of reducing the length of the joined substrate 100 as much as possible, the offset length between the end of the first substrate 11 and the end of the second substrate 12 of the present application: the diameter of the lens 18 =0.8 to 1.2. Of course, regardless of the length of the conjoined substrate 100, it is only necessary that the positions of the lenses 18 on the first end portion and the second end portion are not overlapped. In addition, the present application may further include a process edge provided at an end of the joined substrate 100 as needed.

In view of easier detachment of the connected substrate 100, the breakable lines 13 are disposed at intervals, wherein the length of the breakable lines 13 can be set as desired.

In order to avoid unnecessary sliding of the joined substrate 100 when the lenses 18 are mounted, the two outermost substrates 10 have positioning holes 20 for fixing the joined substrate 100.

In one embodiment, the solder resist layer 104 on the end of the substrate 10 has a second window 106 exposing the circuit layer 103, the second window 106 is filled with solder paste to form a second pad 15, and the second pad 15 is used for electrical connection with an external power source. The number of the second pads 15 at each end is 2, and the second pads are aligned in the width direction of the substrate 10.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features. When technical features in different embodiments are represented in the same drawing, it can be seen that the drawing also discloses a combination of the embodiments concerned.

The above-mentioned embodiments only express several implementation modes of the present application, and the description thereof is specific and detailed, but not construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.

Claims (9)

1. The design structure of the conjoined base plate is characterized by comprising a plurality of base plates which are in a long strip shape and are arranged side by side, wherein an easy broken line is arranged between the adjacent base plates, each base plate comprises an insulating layer, a circuit layer and a solder mask, a plurality of first windows which are arranged along the length direction of the base plates are arranged on the solder mask, the base plates are divided into two groups and are respectively a first base plate and a second base plate, the first base plate and the second base plate are arranged at intervals, the first windows on the first base plate and the second base plate are arranged in a staggered manner, and the first windows on the base plates in the same group are arranged in an aligned manner.

2. The design structure of claim 1, wherein the substrate comprises a metal layer, and the insulating layer overlies the metal layer.

3. The design structure of claim 2, wherein the breakable lines are disposed between the metal layers of two adjacent substrates.

4. The design structure of claim 1, wherein the first window is filled with solder paste to form a first solder pad for soldering the LED lamp bead.

5. The design structure of claim 1, wherein all of the substrates have the same length, and the ends of the first and second substrates are offset.

6. The design structure of claim 1, wherein the frangible lines are spaced apart.

7. The design structure of claim 1, wherein the substrate is provided with a receptacle for securing a lens around the first window.

8. The design structure of claim 1, wherein the two substrates at the extreme sides have positioning holes for fixing the conjoined substrates.

9. The design structure of claim 1, wherein the solder mask on the substrate end has a second window exposing the circuit layer, and the second window is filled with solder paste to form a second pad.

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